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SERVICE MANUAL
Ver 1.2 2003.12
HCD-MJ1 is the tuner, CD
r
amplifier and MDsection in
MJ-L1.
US and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
CD ptayer section
System
Compact disc and digital audio system
Laser
Semiconductor laser (λ=780 nm)
Emission duration: continuous
Laser output
Max 44.6 µW*
* This output is the value measured at a
distance of 200mm from the objective
lens surface on the Optical Pick-up
Block with 7 mm aperture.
Wavelength
780 - 790 nm
Frequency response
2 Hz - 20 kHz
MiniDisc deck section
System
MiniDisc digital audio system
Disc
MiniDisc
Laser
Semiconductor laser (λ= 780 nm)
Laser output
Max 44.6 µW*
* This output is the value measured at a
distance of 200mm from the objective
lens surface on the Optical Pick-up
Block with 7 mm aperture.
Sony Corporation
9-960-606-13
2003L02-1
Home Audio Company
Published by Sony Engineering Corporation
© 2003.12
CD
Section
MD
Section
SPECIFICATIONS
Laser diode properties
Materi.II: GaAIAs
Revolutions (CLV)
Approx. 400 rpm to 900 rpm
Error correction
Adv,Inced Cross IntL•rleave Rced
Solomon Code (ACIRC)
Sampling frequency
44.1 kHZ
Modulation system
EFM
(Eight-to-Fourteen Modula tion)
Number of channels
2 stereo channels
Frequency response
5 Hz - 20 kHz
Wow and fluttei
Below measurable limit
Tuner section
FM tuner section
Tuning range
US, Canadian model
: 87.5 - 108.0 MHz (100 kHz step)
Except US, Canadian model
: 87.5 - 108.0 MHz (50 kHz step)
HCD-MJ1
Canadian Model
Model Name Using Similar Machanism
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
CD Mechanism Type
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Base Unit Name
Model Name Using Similaar Mechanism
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Mini Disc Mechanism Type
Aerial FM Iead aerial
Aerial terminal
75 ohm unbalanced
Intermediate frequency
l0.7 MHz
AM tuner section
Tuning range
US, Canadian model
: 530 - 1.710 kHz
(with the interval set at 10 kHz)
AEP, UK, German, Italian, Singapore,
Hong kong model
: 531 - 1.602 kHz
(with the interval set at 9 kHz)
Aerial
AM Ioop aerial,
External aerial terminals
Intermediate frequency
450 kHz
Timer section
System
Quartz lock system
Timer setting
One-minute step
Sleep timer
10-minute step. max. 90 minutes
FLAT COMPONENT SYSTEM
US Model
AEP Model
UK Model
E Model
HCD-D1/T1
CDM13C-5BD19
BU-5BD19
NEW
MDM-2ER
– Continued on pag 2 –
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Summary of Contents for Sony HCD-MJ1
- Page 1 HCD-MJ1 SERVICE MANUAL US Model Canadian Model Ver 1.2 2003.12 AEP Model UK Model E Model HCD-MJ1 is the tuner, CD amplifier and MDsection in MJ-L1. Model Name Using Similar Machanism HCD-D1/T1 –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– CD Mechanism Type CDM13C-5BD19 US and foreign patents licensed from Dolby Section ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––...
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Page 2: Table Of Contents
ELECTRICAL ADJUSTMENTS ........14 Supplied accessories EXPLANATION OF IC TERMINALS ...... 22 Sony RM-SMJI Remote (1) Sony lithium battery. CR2025 (1 ) DIAGRAMS FM lead aerial (1) AM loop aerial (1) 8-1. Block Diagram –Main Section– ......... 30 Speaker cords (2) 8-2. -
Page 3: Leakage Test
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE ! SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY. -
Page 4: Servicing Notes
SECTION 1 SERVICING NOTES Cautions when replacing IC121 and NOTES ON HANDLING THE OPTICAL PICK-UP IC171 on the BD board BLOCK OR BASE UNIT A change has been made from CXD2535BR due to a modification of The laser diode in the optical pick-up block may suffer electrostatic IC121 on the BD board in this unit. - Page 5 SECTION 2 This section is extracted from in- GENERAL struction manual. – 5 –...
- Page 6 – 6 –...
- Page 7 – 7 –...
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Page 8: Disassembly
SECTION 3 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 3-1. CASE (TOP) SECTION AND PLATE (T BACK) ORNAMENTEL REMOVAL 4 +BVTT 3 x 6 1 +BVTT 3 x 10 2 +BVTP 3 x 10 CASE (TOP) SECTION 1 +BVTT 3 x 10 MAIN BOARD PLATE (T BACK) ORNAMENTAL... -
Page 9: Cd Mechanism, Md Mechanism And Digital Board Removal
3-3. CD MECHANISM, MD MECHANISM AND DIGITAL BOARD REMOVAL 5 +BVTT3 x 6 1 +BVTP 3 x 8 2 +BVTT3 x 10 3 +BVTT 3 x 6 1 +BVTP 3 x 8 SHELDE (T) 7 +BVTP 3 x 8 CHASSIS (M) DIGITAL BOARD 9 +BVTT 3 x 10 !¡... -
Page 10: Disc Table Getting Out Procedure On The Power Supply Is Off
SECTION 4 DISC TABLE GETTING OUT PROCEDURE ON THE POWER SUPPLY IS OFF DISC TABLE DOOR 1 TWEEZERS – 10 –... -
Page 11: Test Mode
SECTION 5 TEST MODE 5-1. How to enter the Test Mode With the power switched off and the power plug plugged into a socket, press the BASS/TREBLE button, CLOCK button, and MD button more than one at a time in order. 5-2. - Page 12 5-5-2. Operating the Continuous Recording Mode 1. Entering the continuous recording mode 1 Set the MO disc in the unit. 2 Rotate the JOG dial knob and display “CREC MODE”. 3 Press the YES button to change the display to “CREC IN”. 4 When access completes, the display changes to “CREC ( ) and lights up.
- Page 13 5-7. Test Mode Displays Each time the DISPLAY button is pressed, the display changes in the following order. MODE displaynError rate displaynAddress display 1. MODE display Displays “TEMP ADJUST” , “CPLAY MODE” , etc. 2. Address display Addresses are displayed as follows. (MO pit and CD) (MO groove) h = Header address...
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Page 14: Electrical Adjustments
SECTION 6 ELECTRICAL ADJUSTMENTS PRECAUTION 6-3. Precautions for Adjustments 1) when replacing the following parts, perform the adjustments and 6-1. Precautions for Checking Laser Diode Emission checks with O in the order shown in the following table. To check the emission of the leaser diode during adjustments, never Optical BD (MD) BOARD view directly from the top as this may lose your eye-sight. - Page 15 6-5. Temperature Compensation Offset Adjustment 4-6. Laser Power Adjustment Save the temperature data at that time in the non-volatile memory as Connection : 25°C reference data. laser power meter Note : 1. Usually, do not perform this adjustment. 2. Perform this adjustment in an ambient temperature of 22°C to Optical pickup 28°C.
- Page 16 6-7. Traverse Adjustment 11.Rotate the JOG dial until the waveforms of the oscilloscope moves Connection : closer to the specified value. In this adjustment, waveform varies at intervals of approx. 3%. oscilloscope Adjust the waveform so that the specified value is satisfied as much as possible.
- Page 17 6-8. Focus Bias Adjustment 6-9. Error Rate Check Adjusting Method : 6-9-1. CD Error Rate Check 1. Load a continuously recorded disc (Refer to “6-4. Creating MO Checking Method : Continuously Recorded Disc”.) 1. Load a test disc TDYS-1. 2. Rotate the JOG dial and display “CPLAY MODE”. 2.
- Page 18 6-11. Adjusting Points and Connecting Points [BD (MD) BOARD] (Component side) D101 IC191 [BD (MD) BOARD] (Conductor side) (IOP) (I+5V) IC101 RV101 (VC) RV102 (TEO) IC121 – 18 –...
- Page 19 FM Stereo Separation Adjustment TUNER SECTION Setting : As a front-end (TB1) is difficult to repair if faulty, replace it with new one. FM RF SSG But AEP, UK, German, and Italian model are please note, however, level meter that the following adjustments are possible: FM ANTENNA terminal (TM1) AM Section Adjustment AM Tuned Indication Lighting Level Adjustment...
- Page 20 2. Connect between test point TP (FOK) and GND by lead wire. CD SECTION 3. Turned Power switch on. NOTE : 4. Put disc (YEDS-18) in and turned Power switch on again and 1. CD Block basically constructed to operate without adjustment. actuate the focus search.
- Page 21 E-F Balance Check Adjustment Location oscilloscope (DC range) [BD (CD) BOARD] (Conductor side) BD (CD) board TP (TEO) RV101 – TP (VC) Procedure : IC102 IC101 1. Connect TP ADJ (IC301 @• pin) to ground with lead wire on Main RV103 board.
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Page 22: Explanation Of Ic Terminals
SECTION 7 EXPLANATION OF IC TERMINALS IC101 RF AMP (CXA1981AR) Pin No. Pin name Description Output terminal for the center point voltage (+1.4V) generated. 2 – 7 A– F Signal input from detector circuit in the optical pick-up block. Signal (–) input of the operational amplifier for F signal. Signal output of the operational amplifier for F signal. - Page 23 IC201 SYSTEM CONTROLLER (M37610MD-068FP) Pin No. Pin name Description C. SET1 Not used this set. (Fixed at “L”) C. SET0 Not used this set. (Fixed at “L”) KEY3 Key input terminal. Not used this set (Fixed at “L”) 4 – 6 KEY2–KEY0 Key input terminal.
- Page 24 Pin No. Pin name Description SWDT Write data signal output to the serial bus. SRDT Read data signal input to the serial bus. Connected to the pin %¡. FLCLK Serial clock signal output to the display driver (IC701). Not used this set (Fixed at “L”) FLDATA Serial data signal output to the display driver (IC701).
- Page 25 Pin No. Pin name Description AMUTE Line out muting signal output. LDOUT Loading motor (M191) control output. *1 LDIN Loading motor (M191) control output. *1 CHKIN Detection signal input from the chucking in switch (S193). When chucking : “L” Detection signal input from the loading in switch (S192). INSW “L”...
- Page 26 IC271 SHCCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER (CXD2536R) Pin No. Pin name Description – Power supply terminal. (+5V) SWDT Write data signal input from the system controller (IC201). Serial clock signal input from the system controller (IC201). XLAT Serial latch signal input from the system controller (IC201). SRDT Read data signal output to the system controller (IC201).
- Page 27 Pin No. Pin name Description – Ground terminal. – Power supply terminal. (+5V) 52– 55 A03– A00 Address signal output to the RAM (IC222) 56– 60 A04– A08 Address signal output to the RAM (IC222) Output enable control signal output to the RAM (IC222). XCAS Column address strobe signal output to the RAM (IC222).
- Page 28 IC301 MASTER CONTROL ( PD78058GC-243-3B9) Pin No. Pin name Description LID SW LID switch input (OPEN, CLOSE, SHUT switch). MD RESET Reset input for MD. CADY sensor input terminal. AVSS – Ground. LID-OPEN LID motor control output (open direction). LID CLS LID motor control output (close direction).
- Page 29 Pin No. Pin name Description Chip enable output to ST block. Chip enable output to IC101 ( CXA1946Q ). CLOCK Clock output to IC101 ( CXA1946Q ). DATA Serial data output to IC101 ( CXA1946Q ). TA MUTE Mute signal output to AMP. “L” : Mute AUX ATT Attenuation output for when AUX input.
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Page 45: Exploded Views
––––––– –––––––––– –––––– X-4947-203-1 CASE (TOP) ASSY (US,CND) X-4947-291-1 KNOB (JOG) ASSY X-4947-204-1 CASE (TOP) ASSY (AEP,UK,G,IT) 4-942-567-01 EMBLEM (NO.4), SONY X-4947-205-1 CASE (TOP) ASSY (HK,SP) X-4947-045-1 BUTTON (BAND) ASSY 1-661-325-11 HP BOARD * 14 4-980-506-01 PLATE (T BACK), ORNAMENTAL... -
Page 46: Chassis Section-1
9-2. CHASSIS SECTION-1 FL501 supplied FAN801 F801 S801 supplied F802 T801 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– * 51 4-982-455-01 HOLDER, PC BOARD 1-773-106-11 WIRE (FLAT TYPE) (19 CORE) * 52 1-661-322-11 DISPLAY BOARD 1-773-117-11 WIRE (FLAT TYPE) (19 CORE) -
Page 47: Chassis Section-2
Ver 1.2 9-3. CHASSIS SECTION-2 not supplied M701 not supplied AEP, G, IT,HK,SP model CDM13C-5BD19 model CNP801 MDM-2ER CNP801 model supplied US,CND model supplied CNP801 not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark –––––––... -
Page 48: Md Mechanism Section (Mdm-2Er)
9-4. MD MECHANISM SECTION (MDM-2ER) not supplied M191 MBU-2B not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– 4-983-100-01 COLLAR (DAMPER) * 172 1-653-412-11 MOTOR BOARD 4-967-671-01 INSULATOR (MD) A-4672-087-A BRACKET (LVO) ASSY 4-967-673-01 SPRING, COMPRESSION X-4947-136-2 HOLDER ASSY... -
Page 49: Base Unit Section (Md) (Mbu-2)
9-5. BASE UNIT SECTION (MD) (MBU-2) S102 HR901 supplied not supplied M102 not supplied M101 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– * 201 1-634-461-11 LOADING BOARD * 208 A-4673-809-A BD(MD)BOARD, COMPLETE 4-967-675-01 GEAR (SL-A) -
Page 50: Cd Mechanism Section-1 (Cmd-5Bd19)
9-6. CD MECHANISM SECTION-1 (CDM-5BD19) not supplied S292 S291 M903 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– 4-967-679-01 SPRING (OP), LEAF * 263 4-917-583-21 BRACKET, YOKE 4-927-654-01 WASHER (LIMITER) * 264 X-4946-208-2 CHASSIS (MD) ASSY... - Page 51 9-7. CD MECHANISM SECTION-2 (CDM-5BD19) M104 (including r A) M103 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– 4-951-620-01 SCREW (2.6X8), +BVTP 1-769-069-11 WIRE (FLAT TYPE) (16 CORE) * 302 A-4673-402-A BD (CD) BOARD, COMPLETE 4-917-567-01 GEAR (M)
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Page 52: Electrical Parts List
SECTION 10 ELECTRICAL PARTS LIST NOTE : The components identified by mark ! SEMICONDUCTORS Due to standardization, replacements in the or dotted line with mark ! are critical In each case, u : , for example : parts list may be different from the parts speci- for safety. - Page 53 BD (CD) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– Q922 8-729-620-05 TRANSISTOR 2SC2603-EF ! R957 1-217-637-00 FUSIBLE 1/4W F Q923 8-729-620-05 TRANSISTOR 2SC2603-EF ! R959 1-212-881-11 FUSIBLE 1/4W F Q924 8-729-119-76 TRANSISTOR 2SA1175-HFE...
- Page 54 BD (CD) BD (MD) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– C139 1-163-235-11 CERAMIC CHIP 22PF R127 1-216-089-91 METAL GLAZE 1/10W C140 1-163-235-11 CERAMIC CHIP 22PF R128 1-216-105-91 METAL GLAZE 220K 1/10W...
- Page 55 BD (MD) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– C105 1-164-232-11 CERAMIC CHIP 0.01uF C183 1-163-038-91 CERAMIC CHIP 0.1uF C184 1-107-836-11 ELECT CHIP 22uF C106 1-163-275-11 CERAMIC CHIP 0.001uF C185 1-164-611-11 CERAMIC CHIP...
- Page 56 BD (MD) DETECTION SW DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– Q151 8-729-905-18 TRANSISTOR DTC144EU R163 1-216-057-00 METAL CHIP 2.2K 1/10W Q162 8-729-101-07 TRANSISTOR 2SB798-DL Q163 8-729-905-12 TRANSISTOR DTA144EU R164 1-216-045-00 METAL CHIP...
- Page 57 DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– C273 1-126-395-11 ELECT 22uF C361 1-163-113-00 CERAMIC CHIP 68PF C274 1-163-031-11 CERAMIC CHIP 0.01uF C362 1-163-113-00 CERAMIC CHIP 68PF C275 1-163-091-00 CERAMIC CHIP C276...
- Page 58 DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– FB412 1-216-295-91 METAL GLAZE 1/10W R250 1-216-073-00 METAL CHIP 1/10W R251 1-216-073-00 METAL CHIP 1/10W FB471 1-216-295-91 METAL GLAZE 1/10W R252 1-216-073-00 METAL CHIP...
- Page 59 DIGITAL DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– R401 1-550-907-21 BEAD, FERRITE (CHIP) 1-661-322-11 DISPLAY BOARD R402 1-216-295-91 METAL GLAZE 1/10W ************** R410 1-550-907-21 BEAD, FERRITE (CHIP) 4-980-523-01 HOLDER (FL) R411...
- Page 60 DISPLAY LOADING MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– < IC > < JACK > IC501 8-759-297-23 IC M66004M8FP J701 1-691-293-41 JACK (2 ) IC701 8-759-822-09 IC LB1641 IC702 8-759-822-09 IC LB1641 <...
- Page 61 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– C104 1-124-907-11 ELECT 10uF C320 1-164-159-21 CERAMIC 0.1uF C105 1-126-059-11 ELECT 10uF C801 1-126-224-11 ELECT 4700uF C802 1-126-224-11 ELECT 4700uF C106 1-137-367-11 FILM...
- Page 62 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– CN111 1-564-506-11 PLUG, CONNECTOR 3P ! ICP822 1-532-845-21 LINC, IC (4A 250V)(AEP,UK,G,IT,SP,HK) * CN112 1-564-506-11 PLUG, CONNECTOR 3P < JUMPER RESISTOR > * CN113 1-564-506-11 PLUG, CONNECTOR 3P JW130...
- Page 63 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– R151 1-249-425-11 CARBON 4.7K 1/4W R323 1-249-431-11 CARBON 1/4W R152 1-249-427-11 CARBON 6.8K 1/4W (SP,HK) R157 1-249-441-11 CARBON 100K 1/4W R158 1-249-417-11 CARBON...
- Page 64 MOTOR MOTOR (LID) SENSOR SWITCH (L) SWITCH (LID) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– 1-653-412-11 MOTOR BOARD < DIODE > ************ D521 8-719-048-97 DIODE SEL6910A-TP5 (ENTER YES) <...
- Page 65 SWITCH (LID) SWITCH (R) TERMINAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– S702 1-762-010-11 SWITCH, LEVER (LID CLOSE) R538 1-216-049-91 METAL GLAZE 1/10W S703 1-762-010-11 SWITCH, LEVER (LID SHUT) R539 1-216-053-00 METAL CHIP 1.5K...
- Page 66 Ver 1.2 TERMINAL TRANSFORMER TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– < CONNECTOR > 1-661-333-11 TUNER BOARD ************* CN601 1-770-722-11 CONNECTOR, BOARD TO BOARD 6P * CN602 1-568-832-11 SOCKET, CONNECTOR 13P <...
- Page 67 Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ! F802 1-532-215-00 FUSE, TIME LAG (T0.8AL 250V) (AEP,UK,G,IT,SP,HK) FAN801 1-698-651-11 FAN, D.C. HR901 1-500-304-21 HEAD, OVER LIGHT (RF322-74A) M101 A-4660-651-A MOTOR (SLED) ASSY M102 A-4660-650-A CHASSIS ASSY, BU M103 X-4917-504-1 MOTOR, ASSY(CD)(SLED MOTOR) M104 X-4917-523-4 MOTOR, ASSY(CD)(SPINDLE MOTOR)
- Page 68 HCD-MJ1 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 1996.05...