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Sony SVT-RA40 Service Manual

Time lapse videocassette recorder
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TIME LAPSE VIDEOCASSETTE RECORDER
SVT-RA40
SVT-RA168
COMPUTER INTRFACE BOARD
SVT-RS100
SERVICE MANUAL
1st Edition

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Summary of Contents for Sony SVT-RA40

  • Page 1 TIME LAPSE VIDEOCASSETTE RECORDER SVT-RA40 SVT-RA168 COMPUTER INTRFACE BOARD SVT-RS100 SERVICE MANUAL 1st Edition...
  • Page 2 Ce manual est destiné uniquement aux personnes compétentes en charge de l’entretien. Afin de réduire les risques de décharge électrique, d’incendie ou de blessure n’effectuer que les réparations indiquées dans le mode d’emploi à moins d’être qualifié pour en effectuer d’autres. Pour toute réparation faire appel à une personne compétente uniquement. SVT-RA40/RA168...
  • Page 3 équivalent recommandé par le constructeur. Mettre au rebut les batteries usagées conformément aux instructions du fabricant. ADVARSEL! Lithiumbatteri-Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske med batteri af samme fabrikat og type. Levér det brugte batteri tilbage til leverandøren. 1 (P) SVT-RA40/RA168...

  • Page 5: Table Of Contents

    Disassembling the Main Parts of the Mechanism ......... 2-10 3-1. How to Make the Mechanism Move ..........2-10 3-1-1. Operating the Loading Motor by the Manual Method ..... 2-10 3-1-2. Making the Mechanism Move Using the Manual Method ..2-11 3-2. Mechanism Unit ................2-11 SVT-RA40/RA168...
  • Page 6 3-17. S Load Gear, T Load Gear, S Load Lever Assembly and T Load Lever Assembly ..............2-30 3-18. Tape Sensors, Reel Sensor and EP SW Lever ........2-31 3-18-1. Tape Top Sensor and Tape End Sensor ........2-31 3-18-2. Reel Sensor ................2-31 3-18-3. EP Switch Lever ............... 2-32 SVT-RA40/RA168...
  • Page 7 Test Equipment and Standards Required ........3-4 3-2-2. Comb Filter Adj................. 3-4 3-2-3. 2 H Delay Level Adj..............3-4 4. Spare Parts 4-1. Notes on Repair Parts .................. 4-1 4-2. Exploded Views ..................4-2 4-3. Electrical Parts List ..................4-9 5. Semiconductors SVT-RA40/RA168...
  • Page 8 Display (FLD) Grid/Anode Assignment Drawing & Table ......7-6 TM-1, TM-2 Board ..................7-7 PW-1 Board ....................7-8 8. Board Layouts CP-1 Board ....................8-1 TM-1 Board ....................8-2 TM-2 Board ....................8-2 CT-1 Board (Option Board for SVT-RS100) ..........8-2 PW-1 Board ....................8-3 SVT-RA40/RA168...

  • Page 9: Manual Structure

    Purpose of this manual This manual is the Service Manual for the time lapse videocassette recorder SVT-RA40/RA168 and the option board Computer Interface Board SVT-RS100. This service manual provides the information of maintenance and detailed service (parts replacement, guideline for adjustment, schematic diagrams, board layouts, detailed parts list).

  • Page 10: Contents

    Describes information on semiconductors used for unit. Section 6 Block Diagrams Describes the overall wiring and the block diagrams of each board. Section 7 Schematic Diagrams Describes the schematic diagrams for the unit. Section 8 Board Layouts Describes the board layouts for the unit. SVT-RA40/RA168...

  • Page 11: Service Overview

    Hours of the power supply being. ALARM DATA: Number of ALARM REC. Total counts of ALARM. The data for the maintenance tables are memoried in E PROM, and the memory can be kept if the timer micro- computer is reset. SVT-RA40/RA168...
  • Page 12 Mechanism Mode Display Contents Mode. No. Mechanism mode Mode. No. Mechanism mode Mode. No. Mechanism mode CASSETTE OUT INTERMITTENT REC STAND-BY REVERSE STILL STOP REVIEW STILL FAST FORWARD REC-PAUSE REWIND FRAME ADVANCE REVERSE PLAY PLAY REVERSE FRAME ADVANCE SVT-RA40/RA168...

  • Page 13: Removal Of Cabinet, Mechanism Unit, And Main Board

    . Electrical adjustments for the this model can be performed with only the cabinet removed. . When replacing the bottom cover, do not tighten the screws (2) too much. Excess tightness may damage the screws taps on the chassis. Cabinet Clamps (A) Main Unit Front Panel Bottom Cover Fig. 1-1-1 SVT-RA40/RA168...

  • Page 14: Removing The Mechanism Main Unit And The Cp-1 Pwb Assembly

    TM - 2 PWB chassis. Lid Opener Lever Fig. 1-1-2 CP-1 PWB Assembly Mechanism Main Unit TM - 1 PWB PW - 1 PWB TM - 2 PWB Clamp ( D ) Chassis Fig. 1-1-3 SVT-RA40/RA168...

  • Page 15: Temporarily Setting Up And Connecting Cp-1 Pwb Assembly

    CP-1 PWB Assembly (Foil side) PW-1 PWB Jutted part of Screws Cassette Holder Terminal Board Mechanism Main Unit Door Opener Lever TM-2 PWB Front Panel Cassette Compartment Cassette Door TM-1 PWB (Position A) Cassette Door (Position B) Fig. 1-1-4 Fig. 1-1-5 SVT-RA40/RA168...

  • Page 16: Circuit Board Locations

    Setting Up and Connecting CP-1 PWB Assem- bly) 3. Unsolder the leads of the battery from the soldering side of the CP-1 board and remove the battery. Solder the backup battery in the reverse procedure of removal. Battery SVT-RA40/RA168...

  • Page 17: Mechanical Adjustments

    . A “drop” of oil is the amount of oil remaining on the tip of a rod with a diameter of 1. 5 mm after it is dipped in oil to a depth of 1 cm and then taken out. SVT-RA40/RA168...

  • Page 18: Regular Checks

    As life may be shortened if foreign particles and dusts remain accumulated on the tape guides and rotating and contacting portions, clean if dirty. Dusts and other foreign particles on the tape guides may also shorten the tape life and lower picture quality, therefore clean thoroughly. SVT-RA40/RA168...

  • Page 19: Service Tools And Cleaning

    17 Hexagonal wrench (VHJ-0113 ) —————— Spare hexagonal wrench for upper drum fitting tool kit No.1, 2, 3, 4 No. 5 No. 6 No. 7 No. 8 No. 9 No. 10 No. 11 No. 16 No. 17 No. 12 No. 13, 14, 15 SVT-RA40/RA168...

  • Page 20: Cleaning

    FE head, the ACE head, the reel table, the pulley and the reel belt with a soft cloth, or chamois, moistened with methyl alcohol. If the dirt on the tape guide cannot be cleaned off, replace the tape guide. Cylinder (Drum) Tape path surface Video head Fig. 1-2-2 SVT-RA40/RA168...

  • Page 21: An Overview Of The Mechanism

    2-1. Names of the Main Parts 2-1-1. Cassette Mechanism Assembly Special washer Washer Stand L Release lever Lid opener spring Tray lock spring Pinion gear Under frame Lock gear Door opener lever Gear holder Drive gear Fig. 2-1-1 Fig. 2-1-1 SVT-RA40/RA168...

  • Page 22: Topview

    Band brake assembly assembly Supply reel assembly T soft brake assembly S soft lever EP switch Take up reel asswembly S brake T brake act slide T reel gear EP sw lever assembly Clutch mounting assembly S reel gear Fig. 2-1-2 SVT-RA40/RA168...

  • Page 23: Underside

    BT spring lever assembly Clutch change lever MC-1 PWB assembly Crescent slide S brake act slide Brake act lever Reel pulley Friction gear assembly Wheel gear 2 Wheel gear 1 assembly Worm gear assembly Loading motor assembly Fig. 2-1-3 SVT-RA40/RA168...

  • Page 24: An Overview Of The Mechanism Modes

    PLAY/STOP/REC 5 REC PAUSE STOP PLAY STAND BY/POWER OFF POWER OFF BRAKE pos. 4 STAND BY FF/REW 6 Mode Switch Output Table HEX DATA SW DATA 2 SW DATA 1 SW DATA 0 H: 5 L: 0 Low activ SVT-RA40/RA168...

  • Page 25: Movement Check List For The Main Parts Of The Mechanism

    Some models are equipped with the SELF-DIAGNOSIS DISPLAYS function. Use it as a means of finding out the symptoms and cause of the error before performing repairs. For details, refer to the separate service manual for the respective models. SVT-RA40/RA168...

  • Page 26: Disassembling The Main Parts Of The Mechanism

    There are two methods of operatin the loading motor, and these are explained in sections 3 1-1. The above movements can also be performed with-ou operating the loading motor, by following the metho explained in Section 3-1-2. Loading motor Fig. 3-1-1 2-10 SVT-RA40/RA168...

  • Page 27: Making The Mechanism Move Using The Manual Method

    1 Flat cable 5 Screw Wheel gear 2 Screw Dew sensor connector 5 Screw FE head connector ACE head connector 3 Flat cable Fig. 3-1-2 Fig. 3-2-1 7 Tray lock lever 8 Lid opener lever 6 Tray Fig. 3-2-2 2-11 SVT-RA40/RA168...

  • Page 28: Cassette Drive Mechanism

    (grease the outer rim Dowel chassis of the teeth) 4 Hole 3 Gear holder Fig. 3-3-3 3 Hook 4 Hole Fig. 3-3-1 Ensure correct interlocking Pinion gear Ensure correct interlocking Drive gear Lock gear Start rack gear Fig. 3-3-2 2-12 SVT-RA40/RA168...

  • Page 29: Door Opener, Under Frame And Stand L

    8 Positioning mark lever 5 Tray != Drive shaft 6 Clamp 0 Positioning mark 5 Front rack gear Clamps Stand R 9 Main cam 7 Door opener !; Hole lever 2 Under frame 1 Clamp Fig. 3-3-4 Fig. 3-3-6 2-13 SVT-RA40/RA168...

  • Page 30: Cleaner Roller Assembly

    1 in the direction shown by the arrow, and snap it into the mounting 6 on the audio R/P head assembly. 4 Cleaner roller assembly 3 Clamp 2 Cleaner lever 1 Clamp B Plastic spring A Plastic spring 5 Shaft 6 Mounting Fig. 3-4-1 2-14 SVT-RA40/RA168...

  • Page 31: Cylinder (Drum)

    7 Rotor 5. After attaching, refer to “4-3. Tape path adjustment” b Hole and the section on electrical adjustments in the service manuals for the respective models, and adjust the switching position of the servo circuit. Fig. 3-5-3 2-15 SVT-RA40/RA168...

  • Page 32: Cylinder Mounting

    4. After assembly, clean the tape path surface of the cylinder (drum). 5. After replacing the cylinder mounting or the cylinder assembly, do the tape path adjustment as instructed in Section 4-3, and do the switching position adjustment of the servo circuit. 2-16 SVT-RA40/RA168...

  • Page 33: Fe Head And Ace Head

    4. After assembly, refer to Section 4-3, and adjust the head height, the azimuth and the tracking (X) posi- tion. 1 Screws 2 Audio R/P head assembly (ACE head) 4 Hole Fig. 3-6-2 3 Washer 5 Pin 6 Clamp Fig. 3-6-1 2-17 SVT-RA40/RA168...

  • Page 34: Capstan Motor

    2 Screws 4 Screws 5 Capstan motor 4 Heat transfer spacer 3 Capstan motor 6 Connector 5 Connector 2 Capstan mounting 1 Screw 3 Reel belt Fig. 3-7-2 1 Reel belt Fig. 3-7-1 2-18 SVT-RA40/RA168...

  • Page 35: Capstan Brake Assembly

    Fig. 3-7-3 5 Worm gear assembly 4 Damper 1 Loading motor assembly Apply grease 2 Lead wires (VHJ-0100) Clamps Gray: negative Orange: Apply positive grease 3 Clamp (VHJ-0114) Fig. 3-8-1 2-19 SVT-RA40/RA168...

  • Page 36: Pinch Roller Pressur Mechanism

    2. Assembly Note: 1. Be careful to keep the surface of the pinch roller free of dust and dirt. 4 Pinch roller lever 3 Spring assembly 5 Indentation 2 Pinch lift mounting 6 Clamp 1 Clamp Fig. 3-9-1 2-20 SVT-RA40/RA168...

  • Page 37: Pinch Lift Cam And Pinch Cam Gear

    OPT pinch relay gear 2, the main cam, and the OPT pinch relay gear. !] Indentation 5 Pinch lift cam !- Arrow ![ Round hole != Square mark 9 OPT pinch 6 Pinch cam gear relay gear Fig. 3-9-3 2-21 SVT-RA40/RA168...

  • Page 38: L Guide Act Lever Assembly, Load Lever Assembly And Stopper Lever Assembly

    1 Stopper spring Sub BT != Pin spring 8 Stopper lever assembly S incline 9 BT spring mounting lever assembl 9 Shaf t assembly 7 Stopper ![ Cam groove 3 Clamp !- Stopper Fig. 3-11-1 0 Shaft Fig. 3-10-1 2-22 SVT-RA40/RA168...

  • Page 39: Reel Drive Mechanism

    3 Hole Clutch mounting 3 Washer assembly 2 Reel pulley 6 Clutch change spring 8 Clutch change lever 4 Shaft 4 Washer 7 Clamp 5 Friction gear 5 Shaft assembly Fig. 3-12-2 9 Shaft 0 Shaft Fig. 3-12-1 2-23 SVT-RA40/RA168...

  • Page 40: T Reel Gear

    2 Clamp 3 T soft brake 4 T brake assembly assembly 6 S reel gear 1 S soft 1 T soft spring spring 2 Clamp 5 Washer Shaft 7 Shaft Shaft 8 Shaft Fig. 3-12-4 Fig. 3-12-3 2-24 SVT-RA40/RA168...

  • Page 41: Brakes

    4 Clamp Clamp assembly 1 Hole Brake return spring 1 Clamp !- Shaft 8 Clamp 8 Shaft 9 Shaft Wheel ![ Cam groove 4 Clamps gear 1 5 Clamp !- Shaft Fig. 3-13-1 !/ Shaft !\ Hole Fig. 3-13-2 2-25 SVT-RA40/RA168...

  • Page 42: S Brake Act Slide And Bt Spring Lever Assembly

    S brake act slide 1. Align the arrow 9 Clamp !- on the S brake act slide 1 with the arrow != on the mechanism chassis. Fig. 3-13-3 Apply grease Apply grease S brake act slide 3 BT spring lever Apply grease assembly Fig. 3-13-4 2-26 SVT-RA40/RA168...

  • Page 43: Guides

    2 Guide roller assembly 2 S load lever T incline Fig. 3-14-1 assembly mo u n t i n g assembly Apply grease to the top, underside and 4 T load lever sides of the rail. assembly Fig. 3-14-2 2-27 SVT-RA40/RA168...

  • Page 44: Wheel Gear 2, Main Cam And Opt Pinch Relay Gear

    G respectively in Fig. 3-15-2. Align the hole in the Front rack main cam 4 with the gear shaft of the OPT pinch relay gear 6. 2 Wheel gear 2 Main cam Crescent slide ![ Wheel gear 1 Fig. 3-15-2 2-28 SVT-RA40/RA168...

  • Page 45: Crescent Slide

    0 is aligned with the pin !- on the S brake act slide, before pressing the crescent slide 4 into place. Check that the clamps 3 and 5 are engaged. 4. After assembly, check that each lever and each brake is working properly. 2-29 SVT-RA40/RA168...

  • Page 46: S Load Gear, T Load Gear, S Load Lever Assembly And T Load Lever Assembly

    3 S load spring 5 T load gear 1 Clamp 2 S load Fig. B: When tape unloading is complete gear T load gear S load gear 8 Shaft 9 Shaft Parts A (apply grease here) Fig. 3-17-3 Fig. 3-17-1 2-30 SVT-RA40/RA168...

  • Page 47: Tape Sensors, Reel Sensor And Ep Sw Lever

    2. Do the soldering quickly. Turn the photoreceptors to face the LED 3 2 Photo 2 Photo diode diode (Tape end (Tape top sensor) sensor) Protrusion 3 LED Align the cuts Holders 4 Holder Fig. 3-18-2 Holders Front Fig. 3-18-1 2-31 SVT-RA40/RA168...

  • Page 48: Ep Switch Lever

    EJECT mode, the EP switch lever 3 does not touch the EP switch 5. 1 EP switch spring 3 EP switch lever 4 Protrusion on back 2 Clamp (apply grease here) 5 EP switch Fig. 3-18-3 2-32 SVT-RA40/RA168...

  • Page 49: Mechanism Checks And Adjustments

    3. After switching to FF mode, wait for at least 10 seconds and then measure the torque value of the reel table on the take up side. It should be at least 600g.cm (lock torque). Stick black vinyl tape over the tape sensor holes. Fig. 4-1-2 2-33 SVT-RA40/RA168...

  • Page 50: Adjusting The Bt Lever Assembly Position And Checking The Back Tension Torque In Play Mode

    Fig. 4-3-1 Point A Fig. 4-2-1 4-2-2. Checking the Back Tension Torque Play Mode 1. Mount the cassette torque meter (VHJ-0016) and switch to PLAY mode. 2. Check that the back tension torque is between 25 and 50g.cm. 2-34 SVT-RA40/RA168...

  • Page 51: Adjustment Procedure

    4. When checking the tape path by eye, use a dental projection on the load lever assembly is positioned over mirror. the height adjustment tool (VHJ-0111) when seen from directly overhead. 1 Load lever assembly Height adjustment tool (VHJ-0111) 2 Protrusion Adjustment nut Fig. 4-3-2 2-35 SVT-RA40/RA168...

  • Page 52: Guide Roller Height Adjustment

    50 % 50 % gradually until the back half of the envelope waveform becomes flat. Fig. 4-3-4 2 Check that the output for the back half of the envelope waveform is at its maximum at the tracking centre. 2-36 SVT-RA40/RA168...
  • Page 53 8. Play the alignment tape (VHJ-0006), rotate screw C, velope waveform to maximum. Slotted and maximize the audio output waveform (actual screwdriver azimuth adjustment) Marking Audio R/P head assembly (ACE head) Screw Screw Audio R/ Phead assembly Fig. 4-3-5 Fig. 4-3-6 2-37 SVT-RA40/RA168...

  • Page 54: Checking After Adjustment

    3 to 5 above. S tape guide Audio R/P head assembly (ACE head) Cylinder S guide (drum) No.0 tape Loading guide T guide roller roller T tape guide guide post Pinch roller Full erase BT post head Capstan shaft Fig. 4-3-7 2-38 SVT-RA40/RA168...

  • Page 55: Electrical Adjustments

    TP102 TP182 TP183 CP-1 PWB (Foil side) Fig. 2-1-1 . Set the REC/PLAY SPEED button to indicator panel to the 8H (8 hours) mode. . Self-recoding means “Record any broadcasting or video signal and play back the just-recorded portion”. SVT-RA40/RA168...

  • Page 56: Switching Position Adj

    T = 6.5 H ±0.5 H 0.5 H REC button Start of play back display more Fall Front edge of vertical sync signal then adjusting withi withi period 10 sec. 2 sec. sec. 10 sec. RF.SW.PULSE Fig. 2-1-2 Fig. 2-1-3 SVT-RA40/RA168...

  • Page 57: Slow Tracking Confirm And Adj

    (When pressing the EJECT button to enter this new tracking center, the tracking should be displayed.) The FLD counter readout changes to “P – –” for approximately 1 second in order to confirm that data has been entered. SVT-RA40/RA168...

  • Page 58: Video Circuit Adjustment

    3. Record the color bar signal on the blank tape. 4. Play back of the just-recorded portion. 5. Adjust VR131 (2H-DL) so that the luminance signal level of switching alternately becomes the same or no flicker by monitor TV. SVT-RA40/RA168...

  • Page 59: Spare Parts

    Therefore, specified parts should be used in the case of replacement. 2. Standardization of Parts Some repair parts supplied by Sony differ from those used for the unit. These are because of parts common- ality and improvement. Parts list has the present standardized repair parts.

  • Page 60: Exploded Views

    A-8344-348-A s MOUNTED CIRCUIT BOARD, TM-2 3-968-578-01 s HOLDER A-8344-347-A s MOUNTED CIRCUIT BOARD, TM-1(For SVT-RA168) 4-942-568-01 s EMBLEM (N0.5),SONY A-8344-473-A s MOUNTED CIRCUIT BOARD, TM-1(For SVT-RA40) 1-251-828-11 s SOCKET, AC INLET SCREWS/WASHER 1-518-833-11 s INDICATOR TUBE 3-203-300-01 s COVER, BOTTOM Part No.
  • Page 61 3-960-915-01 s LEVER, DOOR OPENER 3-960-916-01 o HOLDER, GEAR 3-960-939-01 s SCREW (2.6X6), SPECIAL 3-960-952-01 o STAND (L) 3-960-954-01 s FRAME, LOWER 3-960-959-01 s GEAR, LOCK 3-960-960-01 s GEAR, PINION 3-961-301-01 s SPRING,LID OPENER 3-961-302-01 s LEVER,RELEASE 3-961-303-01 s SPRING,TRAY LOCK SVT-RA40/RA168...
  • Page 62 3-961-037-01 s MOUNT ASSY, S INC LINE 3-193-669-01 s HEAD, ERASE (FULL) 3-961-038-01 s SCREW (2X3), SPECIAL 3-735-630-01 s ROLLER ASSY,GUIDE 3-963-789-01 s BAND (ASSY), BRAKE 3-735-754-01 s WASHER, ADJ (PLA) 3-977-065-01 s REEL, SUPPLY (ASSY) 3-735-760-01 s WASHER,SPECIAL (3) (PLA) SVT-RA40/RA168...
  • Page 63 3-960-980-01 s SCREW (2.6X7), SPECIAL 3-206-564-01 s CYLINDER (UPR) 3-961-022-01 s LEVER, EP SWITCH 3-206-565-01 s MOUNT, MOTOR CYLINDER 3-961-023-01 s SPRING, EP SWITCH 3-206-679-01 s GROUND, CYLINDER CHIP 3-961-033-01 s SCREW (2.6X8), SPECIAL 3-206-680-01 s SPRING, CYLINDER GROUND SVT-RA40/RA168...
  • Page 64 3-204-110-01 s MOUNT (ASSY), LIFT (JG) 3-735-630-01 s ROLLER ASSY,GUIDE SCREW 3-735-760-01 s WASHER,SPECIAL (3)(PLA) 3-961-001-01 s SPRING, T SOFT Part No. SP Description 3-961-008-01 s SLIDE, T ACT BRAKE 3-961-021-01 s SCREW (2.6X6), SPECIAL 7-685-647-79 s SCREW +BVTP3X10(EP-FE/ZNBK/CM2 SVT-RA40/RA168...
  • Page 65 3-960-995-01 s GEAR, S ROAD 3-963-788-01 s BAR (ASSY), ACT BRAKE LEVER 3-960-996-01 s SPRING, S ROAD 3-963-793-01 s GEAR (2), WHEEL 3-960-997-01 s LEVER ASSY, S ROAD 3-963-796-01 s MOUNT, CRESCENT (HOLDER) 3-960-998-01 s GEAR, T ROAD 3-973-491-01 s WASHER (3.6X0.5), SPECIAL SVT-RA40/RA168...
  • Page 66 SVT-RS100 BVTP3 x6 not supplied D-sub connector supplied with D-sub connector not supplied These parts are attached with SVT-RS100 not supplied BVTP3 x6 Part No. SP Description SCREW 3-940-396-01 o PLATE,SPRING Part No. SP Description 7-685-645-79 s SCREW +BVTP3X6(EP-FE/ZNBK/CM2) SVT-RA40/RA168...

  • Page 67: Electrical Parts List

    1-164-156-11 s CAPACITOR,CERAMIC 0.1MF/25V F C3069 1-164-156-11 s CAPACITOR,CERAMIC 0.1MF/25V F C3070 1-137-643-11 s CAPACITOR,ELECT 10MF 16V C3073 1-164-156-11 s CAPACITOR,CERAMIC 0.1MF/25V F C3075 1-164-156-11 s CAPACITOR,CERAMIC 0.1MF/25V F C3076 1-164-156-11 s CAPACITOR,CERAMIC 0.1MF/25V F C3078 1-165-931-11 s CAPACITOR,CERAMIC 0.01MF 50V SVT-RA40/RA168...
  • Page 68 1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608) Q3001 8-729-205-97 s TRANSISTOR 2SC3668-Y R3056 1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608) Q3002 8-729-205-97 s TRANSISTOR 2SC3668-Y R3061 1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608) Q3005 8-729-205-97 s TRANSISTOR 2SC3668-Y R3062 1-249-417-11 s RESISTOR,CARBON 1K 1/4W(SMALL) 4-10 SVT-RA40/RA168...
  • Page 69 1-216-833-11 s RESISTOR,CHIP 10K 1/16W (1608) R3134 1-216-833-11 s RESISTOR,CHIP 10K 1/16W (1608) R3135 1-216-833-11 s RESISTOR,CHIP 10K 1/16W (1608) R3136 1-216-833-11 s RESISTOR,CHIP 10K 1/16W (1608) R3137 1-216-833-11 s RESISTOR,CHIP 10K 1/16W (1608) R3138 1-216-833-11 s RESISTOR,CHIP 10K 1/16W (1608) 4-11 SVT-RA40/RA168...
  • Page 70 1-165-935-11 s CAPACITOR,CERAMIC 0.1MF 16V C1202 1-115-789-11 s CAPACITOR ELECT 1000MF/25V 105 C1342 1-137-643-11 s CAPACITOR,ELECT 10MF 16V C1210 1-127-550-11 s CAPACITOR,ELECT 3.3MF/16V SOLI C1343 1-137-643-11 s CAPACITOR,ELECT 10MF 16V C1211 1-137-643-11 s CAPACITOR,ELECT 10MF 16V C1344 1-165-931-11 s CAPACITOR,CERAMIC 0.01MF 50V 4-12 SVT-RA40/RA168...
  • Page 71 1-804-822-11 s IC LC74781-9832 Q1301 8-729-026-49 s TRANSISTOR 2SA1037AK-T146-R IC131 1-804-147-11 s IC TL8825P Q1302 8-729-901-81 s TRANSISTOR 2SC2412K-T-146-R IC132 1-804-181-11 s IC BA7611AN Q1303 8-729-026-49 s TRANSISTOR 2SA1037AK-T146-R IC211 1-801-984-11 s IC LA6458D Q1311 8-729-901-81 s TRANSISTOR 2SC2412K-T-146-R 4-13 SVT-RA40/RA168...
  • Page 72 1-216-823-11 s RESISTOR, CHIP 1.5K 1/16W R1301 1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608) R1088 1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608) R1302 1-216-824-11 s RESISTOR, CHIP 1.8K 1/16W 1608 R1103 1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608) R1303 1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608) 4-14 SVT-RA40/RA168...
  • Page 73 R2010 1-216-829-11 s RESISTOR,CHIP 4.7K 1/16W(1608) R2011 1-216-829-11 s RESISTOR,CHIP 4.7K 1/16W(1608) R2012 1-216-828-11 s RESISTOR, CHIP 3.9K 1/16W 1608 R2013 1-245-328-11 s RESISTOR,CHIP 180 R2014 1-216-826-11 s RESISTOR,CHIP 2.7K 1/16W(1608) R2015 1-216-839-11 s RESISTOR,CHIP 33K 1/16W 1608 4-15 SVT-RA40/RA168...
  • Page 74 1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608) R0016 1-216-864-11 s CONDUCTOR, CHIP (1608) R0017 1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608) R0018 1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608) R0026 1-216-821-11 s RESISTOR,CHIP 1.0K 1/16W(1608) S0001 1-786-373-11 s SOLID, SWITCH 1P-2T X0001 1-795-624-11 s CERAMIC, OSC 8.38MHZ 4-16 SVT-RA40/RA168...
  • Page 75 1-801-298-11 s TRANISTOR 2SK2434 Q5140 8-729-024-68 s TRANSISTOR 2SD1801-S Q5141 8-729-029-56 s TRANSISTOR DTA144ESA Q5142 8-729-027-59 s TRANSISTOR DTC144EKA (T146) R5001 1-240-219-11 s RESISTOR ,SOLID 2.7M R5002 1-247-887-00 s RESISTOR,CARBON 220K 1/4W R5003 1-247-887-00 s RESISTOR,CARBON 220K 1/4W 4-17 SVT-RA40/RA168...
  • Page 76 ---------- TM-1 BOARD (TM-1 BOARD) ---------- Ref. No. *A: [SVT-RA40] or Q'ty Part No. SP Description *B: [SVT-RA168] R7131 1-249-407-11 s RES,CARBON 150 1/4W (SMALL) Ref. No. R7132 1-249-408-11 s RES,CARBON 180 1/4W (SMALL) or Q'ty Part No. SP Description...
  • Page 77 Q'ty Part No. SP Description 1-801-326-11 s PHOTO COUPLER SG-105F 1-810-690-11 s LED LN59L 1-810-691-11 s PHOTO DIODE PN263L-NC ----------------------------------------------------------- PACKING MATERIALS & SUPPLIED ACCESSORIES FOR SVT-RA40/RA168 ----------------------------------------------------------- *A: [SVT-RA40] *B: [SVT-RA168] Ref. No. or Q'ty Part No. SP Description...

  • Page 79: Semiconductors

    SEL2410GM CATHODE 2SC3331-S-AA DTA144ESA LETTER SIDE ANODE ANODE CATHODE 1SS133T-77 LN59L CATHODE 2SB734-34 2SC3668-Y 2SC4483-S-AN ANODE ANODE CATHODE 1SS244-T-77 1SS83 GMA01U-BT DTC114EF CATHODE DTC114EL-TL2 DTD113ZK ANODE 2SD1801-S PN263L-NC 2SC1009A 2SC2814-F4-TB ANODE CATHODE AK04V2 AK04-V2 2SA1318-S DB154G-S 2SK2434 RB441Q-40T-77 SF-24 SVT-RA40/RA168...
  • Page 80 IC, Other [|IC|] [|OTHER|] TC4S30F GPIS094HCZ TC4S81F PS2501-1D SG-105F BA7611AN MARKING SIDE VIEW BR24C08 LA6458D TOP VIEW TC4053BP(N) UPD4053BC TOP VIEW MAX202CSE TOP VIEW LA7116 TOP VIEW L5431-AA LA71582M-MPB LB1643L LC74781-9832 MAX3082CSA MM1031XML MN12510F MN1381-R PST9128NR TL8825P UPD78F0034AGK-P013BA SVT-RA40/RA168...

  • Page 81: Block Diagrams

    Overall Overall Section 6 Block Diagrams Overall Wiring SVT-RA40/RA168...

  • Page 82: Mechanism Connection

    Mechanism Connection Mechanism Connection Mechanism Connection MC-1 DEW SEMSOR MC-5 SVT-RA40/RA168...

  • Page 83: Audio Circuit

    Audio Circuit Audio Circuit Audio Circuit IC101 SVT-RA40/RA168...

  • Page 84: Video Circuit

    Video Circuit Video Circuit Video Circuit IC101 IC121 IC132 SVT-RA40/RA168...

  • Page 85: System Control & Servo Circuit

    System Control & Servo Circuit System Control & Servo Circuit System Control & Servo Circuit IC301 SYSTEM CONTROL, TIMER, TUNING CONTROL IC306 IC305 IC302 IC301 IC303 IC309 IC711 IC304 IC308 SVT-RA40/RA168...

  • Page 87: Schematic Diagrams

    RS232C/485 OUT Data to controller. (Through RS232C or RS485) Return signal to controller. ALW 5V Always 5V Ground terminal. Initial reset terminal for this IC. RESET Ground terminal. UPD78F0034AGK-P01-3BA ALW 5V Always 5V IC clock OSC terminal. 8.38MHz R2348WA_IC002 SVT-RA40/RA168...

  • Page 88: Board (Va-A)

    CP-1 (VA-A) CP-1 (VA-A) CP-1 Board (VA-A) Video & Audio SVT-RA40/RA168...
  • Page 89 CP-1 (VA-A) CP-1 (VA-A) SVT-RA40/RA168...

  • Page 90: Video Circuit Waveforms

    . l a r t i . l a IC101 PIN34,36,38 IC101 PIN90 1V/200ns/div 200mV/20us/div c t i n i t n i t IC101 PIN41,46 n i t RF4QRNASY_IC301 " " . f f REC/PLAY n i t 100mV/20us/div WF_V_SE4 SVT-RA40/RA168...

  • Page 91: Board (Sy-A)

    CP-1 (SY-A) CP-1 (SY-A) CP-1 Board (SY-A) System Control & Servo UPD78F4928GF-P23-3BA SVT-RA40/RA168...

  • Page 92: Servo Circuit Waveforms

    2V/div. 2V/div. 20us/div. 500ms/div. IC301 IC304 PIN 85 UP : PIN 23 LOW :PIN 18 2V/div. 5V/div. 10ms/div. ANODE CONNECTION 500us/div. IC301 IC301 PIN 93 PIN 89 2V/div. 1V/div. 200us/div. 10ms/div. IC301 PIN 96 100mV/div. 10ms/div. WF-S-EC4Q GR-05000 RE4QM/EXSY SVT-RA40/RA168...

  • Page 93: Board

    TM-1, TM-2 TM-1, TM-2 TM-1, TM-2 Board Display & Key Scan SVT-RA40/RA168...

  • Page 94: Board

    PW-1 PW-1 PW-1 Board Power Supply SVT-RA40/RA168...

  • Page 95: Board

    R3037 R3044 J3214 C3135 Q3105 C3038 R3028 J3157 J3159 C3131 R3029 C3020 R3034 R3077 J3194 Q3103 C3039 J3226 J3158 D3005 J3250 J3219 J3227 C3021 BZ301 Q3106 D3103 Q3011 J3195 J3207 D3102 FFC CONTACT SIDE C3146 J3240 L3002 R3171 CN306 SVT-RA40/RA168...

  • Page 96: Board

    S7206 S7209 J0032 IC005 IC005 J0005 J0033 R0015 R0004 J0031 D0001 C0022 PLAY SEARCH R0002 C0014 PAUSE AD PLAY C0021 C0015 PWB,TM-2 1AC4B10F1400BB C0018 IC003 J0029 J0027 CMK-P2X R0018 J0026 C0007 J0024 R0003 J0035 J0025 J0023 CMK-P2X 1AC4B10E8600AA CN001 SVT-RA40/RA168...
  • Page 97 J5024 FROM PW2 D5102 CN512 R5014 D5011 R5015 R5013 C5111 D5110 T5001 J5123 D5108 125/250V 2A J5122 F5001 Y5078 R5103 RY501 R5114 R5011 R5012 Y5077 Q5103 D5013 IC511 R5131 Q5142 CN511 R5101 1AC4B10C40000F J5120 C5124 J5023 Y5076 J5110 J5103 SVT-RA40/RA168...
  • Page 99 2 V AC range are suitable. (See Fig. A) To Exposed Metal Parts on Set 0.15 µ F 1.5 k Z voltmeter (0.75V) Earth Ground Fig A. Using an AC voltmeter to check AC leakage. SVT-RA40/RA168...
  • Page 100 SVT-RA40 (UC) Printed in Japan Sony Corporation SVT-RA168 (UC) E 2002. 5 08 B&P Company 9-955-359-01 ©2002...

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