JVC GR-AXM236U Service Manual
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JVC GR-AXM236U Service Manual

Compact vhs camcorder
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SERVICE MANUAL
COMPACT VHS CAMCORDER
GR-AXM236U,AXM240U,SXM240U
SXM245U,SXM248U
AXM341U,SXM540U,SXM745U
Regarding service information other than these sections, refer to the GR-SXM340U and GR-SXM740U service manual (No. 86656).
Also, be sure to note important safety precautions provided in the service manual.
SPECIFICATIONS
Camcorder
General
Format
: S-VHS/VHS NTSC standard
Power source
: DC 11 V
DC 6 V
Power consumption
Viewfinder on
: 4.0 W
LCD monitor on
: 4.5 W
Video light
: 3.0 W
Signal system
: NTSC-type
Video recording system
Luminance
: FM recording
Color
: Converted sub-carrier direct recording
Conforms to VHS standard
Cassette
:
/
Tape speed
SP
: 33.35 mm/sec. (1-5/16 ips)
EP
: 11.12 mm/sec. (7/16 ips)
Recording time (max.)
SP
: 40 minutes
EP
: 120 minutes
(with TC-40 cassette)
Operating temperature : 0°C to 40°C (32°F to 104°F)
Operating humidity
: 35% to 80%
Storage temperature
: –20°C to 50°C (–4°F to 122°F)
Weight
: Approx. 930 g (2.1 lbs)
Dimensions
: 200 mm x 112 mm x 118 mm (7-7/8" x 4-7/16" x 4-11/16")
(W x H x D)
(with the LCD monitor closed and with the viewfinder fully
tilted downward)
Pickup
: 1/4" format CCD
Lens
: F1.6, f = 3.9 mm to 62.4 mm,
16:1 power zoom lens with auto iris and macro control, filter
diameter 40.5 mm
Viewfinder
: Electronic viewfinder with 0.5" black/white CRT
White balance
adjustment
: Auto/Manual adjustment
(The specifications shown pertain specifically to the model GR-SXM745U)
(Using AC Adapter)
(Using battery pack)
cassette
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD.
LCD monitor
: 3.5" diagonally measured, LCD panel/TFT active
matrix system
Speaker
: Monaural
Connectors
: 1 V (p-p ) , 75 Ω unbalanced, analog output (via Video
Video
output connector)
Audio
: 300 mV (rms), 1 kΩ analog output
(via Audio output connector)
Digital
: ø3.5 mm, 4-pole, mini-head jack
: Y : 1 V (p-p), 75 Ω, analog output
S-Video
C : 0.29 V (p-p ) , 75 Ω, analog output
AC Adapter
Power requirement
U.S.A. and Canada
: AC 120 V`, 60 Hz
Other countries
: AC 110 V to 240 V`, 50 Hz/60 Hz
Output
: DC 11 V
Optional Accessories
• Battery Packs BN-V12U, BN-V20U, BN-V400U
• A/V (Audio/Video) Cable
• Compact S-VHS (
) Cassettes
ST-C-40/30/20
• Compact VHS (
) Cassettes TC-40/30/20
• Active Carrying Bag CB-V7U
Some accessories are not available in some areas. Please consult your
nearest JVC dealer for details on accessories and their availability.
Specifications shown are for SP mode unless otherwise indicated.
E & O.E. Design and specifications subject to change without notice.
, 1 A
No. 86660
December 2001

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  • Page 1 Some accessories are not available in some areas. Please consult your Lens : F1.6, f = 3.9 mm to 62.4 mm, nearest JVC dealer for details on accessories and their availability. 16:1 power zoom lens with auto iris and macro control, filter diameter 40.5 mm Viewfinder : Electronic viewfinder with 0.5"...
  • Page 2 TABLE OF CONTENTS DIFFERENT TABLE ................................1 to 4 5. PARTS LIST (5-1 to 5-6) PACKING AND ACCESSORY ASSEMBLY <M1> ......................5-1 FINAL ASSEMBLY <M2> .............................. 5-3 MONITOR ASSEMBLY <M5> [GR-AXM341U, SXM540UC] ..................5-6 The following table indicate main different points between models GR-SXM340U, GR-AXM236UC, GR-AXM240UC, GR-SXM240U, GR-SXM245U, GR-SXM245UC and GR-SXM248UC.
  • Page 3 MECHANISM ASSEMBLY <M3> REF. MODEL GR-SXM340U GR-AXM236UC GR-AXM240UC GR-SXM240U GR-SXM245U GR-SXM245UC GR-SXM248UC ITEM MECHA(B)ASSY YMA0034A-E YMA0033A-E YMA0034A-E CASSETTE GUIDE ASSY(RIGHT) YQ44339A-7 — — YQ44339A-7 406A SW.LEVER(RIGHT) YQ32162-1-3 — — YQ32162-1-3 406B TORSION SPRING YQ44340-1-4 — — YQ44340-1-4 SCREW LY42819-001A — —...
  • Page 4 The following table indicate different parts number between models GR-SXM740U, GR-AXM341U, GR-SXM540UC and GR-SXM745U. PACKING AND ACCESSORY ASSEMBLY <M1> Note: As for IB (INSTRUCTIONS), refer to sec.5. REF. MODEL GR-SXM740U GR-AXM341U GR-SXM540UC GR-SXM745U ITEM PACKING CASE LY32545-006B LY32545-003A LY32545-001B LY32545-006B REGIST CARD BT-51028-1 —...
  • Page 5 MAIN BOARD ASSEMBLY <01> REF. MODEL GR-SXM740U GR-AXM341U GR-SXM540UC GR-SXM745U ITEM MAIN BOARD ASSY YB10356-UK1-01 YB10356-UJ1-01 YB10356-UK1-01 YB10356UC1-01 IC105 IC(DIGITAL) TC7S66FU-X — TC7S66FU-X IC1801 IR DETECT UNIT — — — PIC-26043S IC4002 IC Z4C2973-32-X — Z4C2973-32-X IC4701 IC — MM1512XN-X —...
  • Page 6 JVC SERVICE & ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP. Head office 1700 Valley Road Wayne, New Jersey 07470-9976 (973)317-5000 10 New Maple Avenue Pine Brook, New Jersey 07058-9641 (973)396-1000 East Coast 705 Enterprise Street Aurora, Illinois 60504-8149...
  • Page 7 1101MKV Serial No. COPYRIGHT© 2001 VICTOR COMPANY OF JAPAN, LTD Dear Customer, Thank you for purchasing the JVC Compact VHS camcorder. Before use, please read “PRECAUTIONS” ( pg. 3, 4) to ensure safe use of this product. AUTOMATIC DEMONSTRATION Automatic Demonstration takes place when “DEMO MODE” is set to “ON”...
  • Page 8 PROVIDED ACCESSORIES • AC Adapter • Cassette Adapter C-P7U AP-V12U, AP-V11U or AP-V10U • Remote Control Unit • CD-ROM • Battery Pack RM-V715U BN-V11U • Lens Cap • AAA (R03) Battery x 2 • AA (R6) Battery (for Remote Control Unit) (for Cassette Adapter) •...
  • Page 9 NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. anywhere. • Use the JVC BN-V11U/V12U/V20U/V400U The lightning flash with arrowhead symbol, within an battery packs and, to recharge them or to supply equilateral triangle, is intended to alert the user to the power to the camcorder from an AC outlet, use presence of uninsulated "dangerous voltage"...
  • Page 10 Please call 1-800-8-BATTERY™ for information on Ni-Cd battery recycling and disposal bans/restrictions in your area. JVC’s involvement in this program is part of our commitment to preserving our environment and conserving our natural resources.
  • Page 11 INDEX AC Adapter ..............pg. 6 Picture Stabilizer ............pg. 12 Animation Recording .......... pg. 21, 24 Playback ..............pg. 11 Audio Dubbing ............pg. 24 Playback Special Effects .......... pg. 14 Auto Date Record ............ pg. 19 Playback Zoom ............pg. 24 Auto Focus ...............
  • Page 12 GETTING STARTED USING THE BATTERY PACK Perform step 1) of “CHARGING THE BATTERY Hook on. PACK”. Approximate recording time (unit: min.) Battery pack Viewfinder on LCD monitor on BN-V11U Push in. (50) (45) BN-V12U (optional) (50) (45) BN-V20U BATTERY RELEASE Switch (optional) (85) (75)
  • Page 13 Consult an However, it cannot be used as an AC adapter. authorized JVC dealer for replacement, or set the • To avoid interference with reception, do not use date/time as necessary before you start shooting.
  • Page 14 Grip Adjustment Tripod Mounting 1) Separate the Velcro strip. Align the screw and camera direction stud on the 2) Pass your right hand through the loop and grasp tripod with the tripod mounting socket . Then the grip. tighten the screw. 3) Adjust so that your thumb and fingers can easily CAUTION operate the Recording Start/Stop Button...
  • Page 15 CONTROLS, CONNECTORS AND INDICATORS Eyepiece Refer to this diagram while reading the instructions. During shooting & Keep the lens cap attached to Cassette the camcorder. holder LCD monitor Viewfinder 90° 90° 180° Turn the gear to Speaker take up slack. Transmitted beam 180°...
  • Page 16 • MENU Wheel [–, +] ........pg. 18 • REC TIME Button ........pg. 24 • BRIGHT Wheel [–, +] ........pg. 11 • ANIM. Button ..........pg. 24 • TRACKING Wheel [–, +] ......pg. 14 START/STOP Button (Functions the same as &...
  • Page 17 RECORDING PLAYBACK Set REC MODE, S-VHS (S-VHS ET), TAPE Load a tape ( pg. 8, “Loading/Unloading A LENGTH and DATE/TIME in SYSTEM MENU. Cassette”). pg. 18 – 21, “MENU SETTINGS”) Set the Power Switch to “ ”. To start playback, press 4/6 Remove the lens cap.
  • Page 18 BASIC FEATURES Picture Stabilizer To compensate for unstable images caused by Snapshot camera-shake, particularly at high magnification. You can record still images that look like photo- 1) Press P. STABILIZER appears. graphs onto a tape. 2) To switch off the Picture Stabilizer, press 1) Perform step 1 of “RECORDING”...
  • Page 19 Once the zoom level indiator • It is recommended that you consult your nearest reaches the top, all magnification from that point JVC dealer for replacing the video light. is through digital processing. Quick Review • When using Digital Zoom, the quality of image may suffer.
  • Page 20 Tracking Counter Memory Eliminates noise bars that appear on-screen during Makes it easier to locate a specific tape segment. playback. To activate Manual Tracking: 1) Press COUNTER R/M and hold for more than 1) Press the TRACKING Wheel for approx. 1 second.
  • Page 21 4) Engage the VCR’s Record-Pause mode and YTU94146A S-Video cable. press 4/6 Consult the JVC Service Center described on • Repeat steps 2) through 4) for additional editing, the sheet included in the package for details then stop the VCR and camcorder when finished.
  • Page 22 Using The Cassette Adapter Connection To A Personal Computer Use this to play back an S-VHS-C/VHS-C video You can transfer image data from the camcorder to cassette recorded with this camcorder on a S-VHS/ a PC using Digital Photo Navigator. When VHS VCR.
  • Page 23 INSTRUCTIONS Eyepiece Refer to this diagram while reading the instructions. During shooting & Keep the lens cap attached to Cassette the camcorder. holder LCD monitor Viewfinder 90° 90° 180° Turn the gear to Speaker take up slack. Transmitted beam 180° effetive area Erase 16 ft...
  • Page 24 MENU SETTINGS CAMERA MENU FOCUS Set the Power Switch to “ ”. If correct focus cannot be obtained with AUTO Press the MENU Wheel in. The Menu FOCUS, set to MANU to use manual focusing. Screen appears. Rotate the MENU Wheel “...
  • Page 25 M.W.B. TITLE If the white balance is correct, all other colors will Allows you to superimpose one of eight preset be accurately reproduced. titles in 2 different languages. Change the language in TITLE LANG. ( pg. 21) in SYSTEM AUTO : White balance is adjusted MENU.
  • Page 26 Technology). S-VHS REC appears during recording. OFF: Records in VHS on a VHS or S-VHS cassette. • JVC EHG (Extra High Grade) tapes are recommended for superior results. Use S-VHS tape for storing recordings for an extended period or for recording important scenes, as it enables higher-quality recording and playback.
  • Page 27 TAPE LENGTH TELE MACRO Allows you to set the tape length depending on the When set to “ON”, you can shoot a subject as large tape used: T20=20 minutes, T30=30 minutes, as possible at a distance of approx. 60 cm T35=35 minutes, T40=40 minutes.
  • Page 28 ADVANCED FEATURES Fade/Wipe Effects Fade- or wipe-in works at recording start, and fade- Night-Alive or wipe-out works at recording end. Makes dark subjects or areas even brighter than 1) Set the Power Switch to “ ”. they would be under good natural lighting. 2) Press FADE/WIPE repeatedly until the desired mode appears.
  • Page 29 Program AE With Special Effects Digital Effects 1) Set the Power Switch to “ ”. 1) Set the Power Switch to “ ”. 2) Press P.AE repeatedly until the desired mode 2) Press DIGIFECT repeatedly until the desired appears. mode appears. •...
  • Page 30 USING THE REMOTE CONTROL UNIT Make sure the remote control is pointed at the remote sensor Playback Zoom 5) To begin Insert Editing, press START/STOP When the counter reaches “0:00:00”, editing To magnify the recorded image up to 10X at any stops automatically and the camcorder enters time during playback.
  • Page 31 TROUBLESHOOTING Before consulting your JVC dealer, please check the following to see if you can correct the problem yourself. Vertical white lines appear when shooting a very Playback picture is blurred or interrupted. bright object. • The video heads are dirty or worn out. Consult your •...
  • Page 32 • Do not use near flammable or explosive materials. 2. Store cassettes . . . • It is recommended that you consult your nearest JVC dealer for ..away from heaters or other heat sources..out of direct sunlight.
  • Page 33 If malfunctioning occurs, stop using the unit immediately and Reorient or relocate the receiving antenna. consult your local JVC dealer. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different For Your Maintenance from that to which the receiver is connected.
  • Page 34 Some accessories are not available in some areas. Pickup : 1/4" format CCD Please consult your nearest JVC dealer for details Lens : F1.6, f = 3.9 mm to 62.4 mm, on accessories and their availability. 16:1 power zoom lens with auto iris and macro control, filter diameter 40.5 mm...
  • Page 35 ESPAÑOL — ALIMENTACIÓN Esta cámara de video posee un sistema de alimentación de 2 vías que le permite seleccionar la fuente de alimentación más apropiada. No utilice las unidades de alimentación suministradas con otro equipo. Enganche. USO DE LA BATERIA Efectúe el paso 1) de “CARGA DE LA BATERIA”.
  • Page 36 • Durante la carga o descarga, la cámara de video • La siguiente operación interrumpirá la carga o la no puede ser operada. descarga: • No es posible efectuar la carga o descarga si se • Ajuste el interruptor de alimentación utiliza un tipo de batería equivocado.
  • Page 37 ESPAÑOL — GUIA PARA OPERACION RAPIDA Si la unidad comienza a funcionar mal, deje de usarla inmediatamente y consulte a su concesionario local de JVC. Colocación/Extracción de un GRABACIÓN cassette 1) Retire el cubreobjetivo. Ajuste el conmutador de 1) Abra completamente el monitor LCD. Deslice alimentación...
  • Page 38 REPRODUCCIÓN O simplemente reproduzca la cinta en un VCR 1) Cargue una cinta. de VHS utilizando el adaptador de cassette. 2) Ajuste el conmutador de alimentación p. 16 . Para iniciar la reproducción, presione 4/6 Para interrumpir momentáneamente (reproducción de imágenes fijas), presione 4/6 .
  • Page 39 SECTION 5 PARTS LIST SAFETY PRECAUTION Parts identified by the symbol are critical for safety. Replace only with specified part numbers. PACKING AND ACCESSORY ASSEMBLY <M1> The instruction manual to be provided with this product will differ according to the destination. FINAL ASSY <M2>...
  • Page 40 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 41 FINAL ASSEMBLY <M2> ELECTRONIC VIEWFINDER <M4> MAIN <01> 110B 110A 110D 110C 110E 110F <02> 251C 135E 135H OPTICAL BLOCK 251C SECTION 135E 135K 135J 135C 135B 251A 251C 135A 251B 135G 251C 135F 251C 251C 251D 251C 251C 251C 135D...
  • Page 42 140C 140A MECHANISM <M3> 140D 140E 140E 140D 140F 140B 140B RATING LABEL 159A 101B 135E 101D 135E MONITOR 101D 101C <M5> 101A...
  • Page 43 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 44 MONITOR ASSEMBLY <M5> [GR-AXM341U, SXM540UC] 502B 502A 502D 502D 502C 503B 503A MONITOR <07> 503C 501B 501D 501C 501A REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 45 : F1.6, f = 3.9 mm to 62.4 mm, Some accessories are not available in some areas. Please consult your 16:1 power zoom lens with auto iris and macro control, nearest JVC dealer for details on accessories and their availability. filter diameter 40.5 mm Viewfinder : Electronic viewfinder with 0.5"...

  • Page 46: Table Of Contents

    TABLE OF CONTENTS Section Title Page Section Title Page Important Safety Precautions 4. CHARTS AND DIAGRAMS NOTES OF SCHEMATIC DIAGRAM .......... 4-1 INSTRUCTIONS CIRCUIT BOARD NOTES ............4-2 4.1 BOARD INTERCONNECTIONS .......... 4-3 1. DISASSEMBLY 1.1 SERVICE CAUTIONS ............1-1 4.2 CPU SCHEMATIC DIAGRAM ..........

  • Page 47: Important Safety Precautions

    Important Safety Precautions Prior to shipment from the factory, JVC products are strictly inspected to conform with the recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.
  • Page 48 • Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been returned to original positions, Afterwards, perform the following tests and confirm the specified values in order to verify compliance with safety standards.

  • Page 49: Disassembly

    SECTION 1 DISASSEMBLY 1.1 SERVICE CAUTIONS 1.1.3 Connection of the wires 1.1.1 Precautions 1. Pull the connector structure upward to release the clamp when removing or inserting the flat wire cable. 1. Before disassembling/re-assembling the set as well as soldering parts, make sure to disconnect the power ca- ble.

  • Page 50: Tools Required For Adjustments

    1.2 TOOLS REQUIRED FOR ADJUSTMENTS Alignment tape Alignment tape Service support system PC cable (for SP interchangeability) (for N. SP PB Y/C level) YTU94057-56 QAM0099-002 MHP-C MHV-2C Cleaning cloth Torque driver YTU94088 KSMM-01 YTU94088-003 Conn. ring INF adjustment lens Table 1-2-1 YTU92001-111 YTU92001B Gray Scale Chart...

  • Page 51: Disassembly/Assembly Of Cabinet Parts

    1,2. Alignment tape 1.3 DISASSEMBLY/ASSEMBLY OF CABINET PARTS To be used for check and adjustment of interchange- 1.3.1 Disassembly flow chart ability of the mechanism. This flowchart indicates the disassembly step for the cabi- (Video: Color bar signal, Audio: Non-signal) net parts and board assembly in order to gain access to item(s) to be serviced.

  • Page 52: Disassembly Method

    1.3.2 Disassembly method REMOVAL STEP *UNLOCK/RELEASE/ Fig. /LOC PART UNPLUG/UNCLAMP/ UNSOLDER CASETTE COVER 2(S1) ASSEMBLY UPPER CASE 2(S2), 2(L2) LOWER CASE 9(S3), (L3a), (L3b) ASSEMBLY *CN3a,CN3b,COVER(JACK) (Incl. E.VF ASSEMBLY) E.VF ASSEMBLY 3(S4) TOP OPERATION 2(S5),(L5a),(L5b),2(L5c), UNIT *CN5a REAR UNIT 3(S6),(L6a),(L6b),*CN6a FRONT COVER 2(S7a),(S7b),(L7a),(L7b), ASSEMBLY...
  • Page 53 COVER (JACK) Fig. C3 Fig. C4 Fig. C5...
  • Page 54 Fig. C6 WITHOUT DC LIGHT MODEL WITHT DC LIGHT MODEL Fig. C7...
  • Page 55 Fig. C8 ∗ BRACKET (UPPER) ASSY UPPER CASE ASSY MONITOR COVER ∗ ∗ ∗ ∗ ∗∗ ∗∗ ∗ ∗ ∗ ∗ : 0.147 N m (1.5 kgf • • ∗∗ : 0.098 N m (1.0 kgf • • ∗ : 0.098 N m (1.0 kgf •...
  • Page 56 2.5”-type LCD MONITOR CASE SHIELD CASE LCD MODULE DIFF SHEET BACK LIGHT MONITOR <07> ∗ T.HINGE ASSY ∗ : 0.098 N m (1.0 kgf • • Fig. C11a 3.5”-type LCD MONITOR CASE SHIELD CASE LCD MODULE LCD FRAME(3.5) BACK LIGHT MONITOR <07>...
  • Page 57 REINFORCED SURFACE PUSH SWITCH ∗ REINFORCED SURFACE COVER (HINGE U) ∗ REINFORCED SURFACE HINGE HINGE NOTE PLATE (SW) ∗∗ COVER (HINGE L) ∗ : 0.049 N m (0.5 kgf • • ∗∗ : 0.078 N m (0.8 kgf • • Fig.

  • Page 58: Disassembly/Assembly Of Camera Section And Deck Section

    1.4 DISASSEMBLY/ASSEMBLY OF CAMERA SECTION Reference Notes: AND DECK SECTION <NOTE 1> Destination of connectors 1.4.1 Flowchart of disassembly Note : Two kinds of double-arrows in connection tables The following flowchart shows the disassembly of the cam- respectively show kinds of connector/wires. era section and deck section.
  • Page 59 SHIELD CASE (MAIN) ∗ ∗ ∗ : 0.108 N m (1.1 kgf • • Fig. D2 Fig. D4 ∗ ∗ ∗ ∗ CUSHION (OP) ∗ : 0.216 N m (2.2 kgf • • Fig. D3 Fig. D5 1-11...

  • Page 60: Replacement Of Ccd Image Sensor

    1.5 REPLACEMENT OF CCD IMAGE SENSOR Part Name Orientation Notes: CCD image sensor Mark is on the right viewed as indi- cated by the arrow a . • Pay the most careful attention to the transparent glass and optical LPF of the CCD image sensor so a not the soil and Spacer rubber IC side is horizontal.

  • Page 61: Take Out Cassette Tape

    1.6 TAKE OUT CASSETTE TAPE 5. For taking in the slack of the tape, run the mechanism In the event that the set enters the emergency mode as it to the EJECT position as the front lid of the cassette is is loaded with a cassette tape and the cassette tape can- left open, and turn the take-up gear in the forward di- not be ejected with the EJECT button, manually, take it out...

  • Page 62: Emergency Display

    1.7 EMERGENCY DISPLAY Example (in case of the error number E01): Whenever some abnormal signal is input to the mechacon CPU, an error number (E01, as an exam-ple) is displayed in the electronic view finder. In every error status, such the message as shown below al- UNIT IN REMOVE AND ternately appear over and over.
  • Page 63 Note: 2) As the “DEMO MODE” is executed, the camcoder enters the DEMONSTRATION mode after the ti- tle screen of “TITLE CALL” and “FUTURE” appear in this order. <Flow chart> 1. TITLE CALL and FUTURE ∫ 2. EASY PC CONNECTION ∫...

  • Page 64: Service Note

    1.9 SERVICE NOTE 1-16...

  • Page 65: Mechanism Adjustment

    SECTION 2 MECHANISM ADJUSTMENT 2.1 SERVICE CAUTIONS 2.1.3 Required adjustment tools 2.1.1 Precautions Alignment tape Alignment tape 1. Before disassembling/re-assembling the set as well as MHP-LC MHP-C soldering parts, make sure to disconnect the power ca- ble. 2. When disconnecting/connecting connectors, pay enough attention to wiring not to damage it.

  • Page 66: Disassembly/Assembly Of Mechanism Parts

    2.2 DISASSEMBLY/ASSEMBLY OF MECHANISM PARTS This procedure starts with the condition that the cabinet parts and deck parts. Also, all the following procedures for adjust- ment and parts replacement should be performed in STOP mode. When reassembling, perform the step(s) in the reverse order.
  • Page 67 <TOP VIEW> Fig. 2-2-1 TOP VIEW <BOTTOM VIEW> Note: When reinstalling the cassette housing to the set, pay careful attention to the switch not to damage it. Fig. 2-2-2 BOTTOM VIEW...
  • Page 68 (W1a) (S3a) (W3b) (S3b) (P3) (P1) (W3a) (S1) (W3a) (W1a) (W3a) (W1a) (W1b) (S3a) (S3a) (S3a) (S3a) Fig. M1 Fig. M3 (W2) (S4a) (S4b) (W4) (S4b) (W2) (S2) (W2) Fig. M2 Fig. M4...
  • Page 69 (S5a) (S5a) (S7) (S5a) (S5c) (S5b) Fig. M5 Fig. M7 (S6b) (S8) (S8) Catcher (S6d) (W8a) (S6d) (S6d) (S6d) (W8b) (W8b) (S6c) (S6c) (S6a) Fig. M6 Fig. M8...

  • Page 70: Checkup And Adjustment Of Mechanism Phase

    2.3 CHECKUP AND ADJUSTMENT OF MECHANISM PHASE Note: Pay careful attention to the installing order and phase of mechanism parts of the loading system. Align the two holes of the Loading ring assembly to those of the deck. Align the hole of the Loading gear (T) assembly to that of the deck.

  • Page 71: Tape Transport Adjustment

    2.4 TAPE TRANSPORT ADJUSTMENT 8. When the FM waveform breaks in the level varying proc- ess, subtly adjust the height of guide rollers at every In most cases the deck section is in need electrical ad- breaking point so that the waveform varies as flat as pos- justment, it results from replacement of worm mechanical sible.

  • Page 72: A/C Head Height & Azimuth

    11. Through the above steps, confirm that there occur no 2.4.3 A/C head height & azimuth wrinkling and damage in the tape around the pinch roller 1. Connect the jig connector cable to CN25 on the MAIN and TU guide pole whenever the deck is in operation of board.

  • Page 73: Phase Of Control Head (X Value)

    2.4.4 Phase of control head (X value) 2.5 REMARKS 1. Connect the jig connector cable to CN25 on the MAIN 2.5.1 Cleaning board. 1. For cleaning of the upper drum (particularly video 2. Playback the SP stairstep signal of the alignment tape heads), use fine-woven cotton cloth or Kimwipe with al- and observe signal at V.TP FM with external trigger from cohol soaks through.

  • Page 74: Jig Connector Cable Connection

    2.6 JIG CONNECTOR CABLE CONNECTION Remove the cover (JIG). Jig connector cable CN25 Cover(JIG) Extention connector For supplying the power through the coupler by removing NOTE: the cover (for jig), use this extension connector double for connecting the jig connector cable. JIG CONNECTOR COMMUNICATION CABLE to 10 pin...

  • Page 75: Electrical Adjustment

    2 PROM on to new board. Then adjustment are not required. And if parts such as the following need replacement, spe- (LY20701) cial computerized adjustment are required (Refer to sec. 3.1.1- 4). Please contact to JVC Service for detaile informa- Bottom case assy Serial No. label tion.

  • Page 76: Electronic Viewfinder (E. Vf) Adjustment

    3.2 ELECTRONIC VIEWFINDER (E. VF) ADJUSTMENT 1) Put the deflection yoke to the most inner side of CRT neck first. Then fix the stopper temporary. Notes: 2) Adjust the tilt of picture on the E. VF screen by tilting • Unless otherwise specified, all measurement points and the deflection yoke.
  • Page 77 SECTION 5 PARTS LIST SAFETY PRECAUTION Parts identified by the symbol are critical for safety. Replace only with specified part numbers. REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ******************************...
  • Page 78 FINAL ASSEMBLY <M2> ELECTRONIC VIEWFINDER <M4> MAIN <01> 140C 110B 140A MECHANISM <M3> 140D 140E 110A 140E 140D 110D 110C 140F 140B 140B 110E RATING 110F LABEL <02> 159A 101B 251C 135E 135H OPTICAL BLOCK 135E 251C SECTION 101D 135E 135K 135J 135C...
  • Page 79 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 80 BEWARE OF BOGUS PARTS Parts that do not meet specifications may cause trouble in regard to safety MECHANISM ASSEMBLY <M3> and performance. We recommend that genuine JVC parts be used. 469A 469B 469B 439A 425 425 429A 406B 406A Classification Part No.
  • Page 81 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 82 ELECTRONIC VIEWFINDER ASSEMBLY <M4> ELECTRONIC VIEWFINDER <60> 357A SERIAL NO. LABEL REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 83 MONITOR ASSEMBLY <M5> [GR-SXM340U] 502B 502A 502D 502D 502C 503B 503A MONITOR 501B <07> 503C 501D 501C 501A REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 84 MONITOR ASSEMBLY <M5> [GR-SXM740U] 502B 502A 502D 502D 502C 503B 503A MONITOR <07> 503C 501B 501A REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 85 ELECTRICAL PARTS LIST REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 86 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 87 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 88 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 89 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 90 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 91 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 92 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

  • Page 93: Charts And Diagrams

    SECTION 4 CHARTS AND DIAGRAMS 4) Indication on schematic diagram NOTES OF SCHEMATIC DIAGRAM Voltage Indications for REC and PB mode on the sche- matic diagram are as shown below. Safety precautions The Components identified by the symbol critical for safety. For continued safety, replace safety critical components only with manufacturer's recom- REC mode mended parts.

  • Page 94: Circuit Board Notes

    6. Signal path Symbols CIRCUIT BOARD NOTES The arrows indicate the signal path as follows. 1. Foil and Component sides 1) Foil side (B side) : Playback signal path Parts on the foil side seen from foil face (pattern face) are indicated.

  • Page 95: Board Interconnections

    ∗ BOARD INTERCONNECTIONS NOTE ) : The number of patch cords LCD(MONITOR) MODULE OPEN C_VF_PANEL are indicated by interconnected. E. VF 1 2 3 4 5 6 7 OP BLOCK (Page 4-31) (Page 4-28) CN7602 CN7702 MONITOR (Page 4-29) C-VF C-VF BL ∗...

  • Page 96: Cpu Schematic Diagram

    NOTES : For the destination of each signal and further line connections that are cut off from CPU SCHEMATIC DIAGRAM this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 1 MAIN (CPU) TO REG TO A/C HEAD...
  • Page 97 NOTES : For the destination of each signal and further line connections that are cut off from M.MDA SCHEMATIC DIAGRAM this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 1 MAIN (M.MDA) IC1602 TO REG...

  • Page 98: Vtr Asp Schematic Diagram

    NOTES : For the destination of each signal and further line connections that are cut off from VTR ASP SCHEMATIC DIAGRAM this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. JIG_CONN.

  • Page 99: Dsp Schematic Diagram

    DSP SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. TO LCD/CVF, BW/CVF 0 1 MAIN (DSP)

  • Page 100: F/Z/I/Mda Schematic Diagram

    F/Z/I/MDA SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 1 MAIN (F/Z/I/MDA) IRIS_O/C TO CPU...

  • Page 101: Out Schematic Diagram

    V OUT SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. L4701 TO REG 0 1 MAIN (V OUT)

  • Page 102: Tg/Cds Schematic Diagram

    TG/CDS SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. TO CCD CN5301 0 1 MAIN (TG/CDS)

  • Page 103: Reg Schematic Diagram

    C6622 NTSC UDZS8.2B-X Light 0.47 100k SSM3K02F 10µ/16 ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ QGA1201C2-02X JVC WB VF ONLY MODEL ∗ ∗ ∗ ∗ ∗ UDZS7.5B-X ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ Light JVC WB VF and 2.5LCD...

  • Page 104: Lcd/Cvf Schematic Diagram

    ∗ C7064 /6.3 ∗ ∗ C7051 R7114 R7118 R7122 0.01 ∗ C7065 C7066 ∗ y10244001a_rev0 NOTE : The parts with marked ( ) is not used. # : EXCHANGE PARTS LIST JVC MODEL PANA MODEL ∗ CN25 QGB0506L1-30X 4-21 4-22...

  • Page 105: Bw/Cvf Schematic Diagram

    4.11 BW/CVF SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. TO DSP BWBLEVEL OPEN...

  • Page 106: Jack Schematic Diagram

    S OUT 0 1 MAIN (JACK) ∗ NOTE : The parts with marked ( ) is not used. y30154001a_rev0 Exchange Parts List JVC PC JVC NON PC model PANA PC NON S JVC model JVC model PANA JVC model model...

  • Page 107: Speaker Schematic Diagram

    4.13 SPEAKER SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 0 1 MAIN (SPEAKER) C2404 R2401...

  • Page 108: Ccd Schematic Diagram

    4.14 CCD SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. IC5301 is incorporated in the CCD base assembly.

  • Page 109: Monitor Schematic Diagram

    4.15 MONITOR SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. J7501 NCB21EK-273X C7502...

  • Page 110: Vf Schematic Diagram

    4.16 E. VF SCHEMATIC DIAGRAM NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". When ordering parts , be sure to order according to the Part Number indicated in the Parts List. 6 0 E.

  • Page 111: Top Ope Unit, Zoom Unit, Rear Unit And Sensor Schematic Diagrams

    4.17 TOP OPE UNIT, ZOOM UNIT, REAR UNIT AND SENSOR SCHEMATIC DIAGRAMS NOTES : For the destination of each signal and further line connections that are cut off from this diagram , refer to "4.1 BOARD INTERCONNECTIONS". The schematic diagram is only for reference. Avoid replacing individual parts. TOP OPE UNIT Replace the entire unit only.

  • Page 112: Main Circuit Board

    4.18 MAIN CIRCUIT BOARD FOIL SIDE(B) 0 1 MAIN PWB YB10356-01-01 D5201 JP2002 C2001 L7301 C5229 L2003 R122 X102 R5217 C5230 D7301 JP2001 C7316 IC103 C5231 Q2001 C126 C7301 C7304 C7305 R7315 R5211 R7307 C5218 D101 R7327 R7305 R7308 R7303 R2004 Q7306 C7315...
  • Page 113 (1/2) COMPONENT PARTS LOCATION GUIDE <MAIN/YB10356-01-01> REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION CAPACITOR C2004 C4037 C5234 C7068 D6701 L6201 C2005 C4038 C5235 C7069 D6702 L6301 C103 C7301 D7301 L6302 C2021 C4039 C5236 C104 C2022 C4040...
  • Page 114 (2/2) COMPONENT PARTS LOCATION GUIDE <MAIN/YB10356-01-01> REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION Q7013 R163 R3507 R4505 R6610 R7312 TL1606 Q7015 R164 R3508 R4507 R6611 R7313 TL1607 Q7301 R165 R3901 R4508 R6612 R7315 TL1608 Q7303 R166...
  • Page 115 CAUTION: ATTENTION: FOR CONTINUED PROTECTION AGAINST POUR UNE PROTECTION PERMANENTE FIRE HAZARD ,REPLACE ONLY WITH SAME CONTRE LES RISQUE D'INCENDE, TYPE AND RATED FUSE(S). REMPLACER LES FUSIBLES PAR UN AUTRE DE MEME TYPE ET DE MEME TENSION. COMPONENT SIDE(A) 0 1 MAIN PWB YB10356-01-01 R7333 Q7311...

  • Page 116: Monitor Circuit Board

    4.19 MONITOR CIRCUIT BOARD 0 7 MONITOR PWB 0 7 MONITOR PWB FOIL SIDE(B) COMPONENT SIDE(A) YB20913 YB20913 J7501 R7620 L7605 R7621 R7622 R7624 R7625 R7630 R7626 C7627 R7629 R7627 R7628 IC7603 L7601 C7620 C7602 R7642 C7619 C7601 C7626 T7501 R7636 Q7607 Q7605...

  • Page 117: Ccd Circuit Board

    4.20 CCD CIRCUIT BOARD FOIL SIDE(B) 0 2 CCD PWB YB10356-01-01 IC5301 CL5301 COMPONENT SIDE(A) 0 2 CCD PWB YB10356-01-01 C5305 C5301 C5302 C5307 4-43...

  • Page 118: Vf Circuit Board

    4.21 E. VF CIRCUIT BOARD FOIL SIDE(B) 6 0 E. VF PWB Q7003 R7023 R7029 R7019 VR7002 R7024 IC7001 C7013 R7025 R7021 R7016 Q7001 R7008 R7030 C7005 R7020 R7006 R7005 R7010 COMPONENT SIDE (A) 6 0 E. VF PWB L7002 VR7003 CN7002 5.5M...

  • Page 119: Waveforms

    4.22 WAVEFORMS — VTR ASP — IC3501-21 IC3501-25 IC3501-19 IC3501-20 REC 0.1 Vp-p REC 0.57 Vp-p 24 mVp-p 0.24 Vp-p 2 mV/10 µsec/DIV 10 mV/10 µsec/DIV 1 mV/5 msec/DIV 20 mV/5 msec/DIV — DSP — IC4001-160 IC4001-161 IC4001-146 IC4001-147 REC/PB 0.28 Vp-p REC 0.52 Vp-p REC/PB 0.28 Vp-p REC 0.15 Vp-p...

  • Page 120: Voltage Charts

    4.23 VOLTAGE CHARTS <M.MDA> <CPU> MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. IC101 IC103 IC1601 IC104 IC105 11.1 11.1 10.3 10.3 IC1801 Q101 11.1 11.1 11.1 11.1 10.3 10.3 Q102...
  • Page 121 MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. Q3501 1(E) 2(B) IC1602 3(C) 4(E) 5(B) 6(C) Q3502 1(E) Q1601 2(B) 3(C) 11.1 11.1 4(E) 5(B) 6(C) Q3505 <VTR ASP> MODE REC PLAY PIN NO.
  • Page 122 MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. IC4202 Q4251 Q4501 <V OUT> MODE PLAY PIN NO. IC4702 IC4501 IC4003 Q4701 Q4702 Q4001 <TG/CDS> IC4002 MODE REC PLAY PIN NO.
  • Page 123 <JACK> <CCD> <MONITOR> <E.VF> MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. -7.8 14.9 11.1 11.1...
  • Page 124 4.24 POWER SYSTEM BLOCK DIAGRAM REAR UNIT MAIN REG SECTION NOTE) M. MDA SECTION ∗ DRM_PWR : For GR-SXM340U Q6401 ∗∗ L6002 ∗ ∗ DRM_PWR UNREG DRUM : For GR-SXM740U POWER JACK SECTION L6001 CAP_PWR F6001 CN28 DRM_CTL BATT_+ CAP_PWR REG_3.2V BATT_+ IC6001-6,39PIN...

  • Page 125: Cpu/Mda System Block Diagram

    4.25 CPU/MDA SYSTEM BLOCK DIAGRAM MAIN (CPU) (M. MDA) IC101(CPU) IC1601 DRUM ROTOR POSI CENTER POSITION IC103 RTC CS (RTC) AL SI START UP TIMMING SWITCHING DRUM CLK CONTROL CONTROL SCLK AL CLK D COIL U OSCIN D COIL U FORWARD DRUM ON C1617...
  • Page 126 4.26 CAMERA AND Y/C SYSTEM BLOCK DIAGRAM 0 2 CCD MAIN V_PB_C IC5201 (TG/CDS) IC4001(DSP) (DSP) (CDS/AGC/AD) IC5301 Q5301 CN5301 CN22 OPTICAL CCD_OUT CDSIN γ BLKSH PROCESS BLOCK CONV CLAMP T. G SEPA γ DSP CONTROL BLKFB (3LINE) OFFSET CDS_CLK INTER FACE SERIAL INTERFACE ADCLK...
  • Page 127 JIG_CONN. CN25 J504 A/V OUT V_PB_C OPEN IC4001(DSP) J505 S OUT IC4701 DA_R (V OUT) DA_B IC4702 Y/C MIX TO LCD/CVF &6dB AMP (V OUT) Q3502 IC3501 DA_G CH2_S (VTR ASP) PB AMP TO BW/CVF CH2_F BWY0 BWYOUT Q3502 Q4701 Q4702 PB AMP CH4_S...
  • Page 128 4.27 MONITOR SYSTEM BLOCK DIAGRAM LCD MONITOR T7501 T7501 MONITOR FROM REG CN16 CN7601 F7501 F7501 REG_4.8V REG_4.8V NOTE) REG_4.8V ∗ : FOR 2.5inch MONITOR Q7503 Q7503 Q7501 Q7501 ∗ ∗ ∗∗ Q7504 Q7504 Q7502 Q7502 L7603 FROM CPU : FOR 3.5inch MONITOR LCD_CTL REG+12V CN7602...

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