Sony HCD-GRX7 Service Manual
  1. Manuals
  2. Brands
  3. Sony Manuals
  4. Stereo System
  5. HCD-GRX7
  6. Service manual

Sony HCD-GRX7 Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

SERVICE MANUAL
HCD-GRX7/GRX7J/R700/RX77/RX77S
are the Amplifier, CD player, Tape Deck
and Tuner section in MHC-GRX7/
GRX7J/R700/RX77/RX77S.
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol a are trade-
marks of Dolby Laboratories Licensing Corporation.
Amplifier section
Canadian model:
Continuous RMS power output (reference)
Total harmonic distortion less than 0.07%
European and Russian models:
DIN power output (rated)
Continuous RMS power output (reference)
Music power output (reference)
MICROFILM
HCD-GRX7/GRX7J/R700/
Photo: HCD-RX77
SPECIFICATIONS
100 + 100 watts
(8 ohms at 1 kHz, 10% THD)
(8 ohms at 1 kHz, 55 W)
60 + 60 watts
(6 ohms at 1 kHz, DIN)
80 + 80 watts
(6 ohms at 1 kHz, 10% THD)
135 + 135 watts
(6 ohms at 1 kHz, 10% THD)
RX77/RX77S
Model Name Using Similar Mechanism
CD Mechanism Type
CD
Section
Base Unit Type
Optical Pick-up Type
Model Name Using Similar Mechanism
TAPE
DECK
Tape Transport Mechanism Type
Section
Other models:
The following measured at AC 110, 220 V 50/60 Hz
DIN power output (rated)
Continuous RMS power output (reference)
The following measured at AC 120, 240 V 50/60 Hz
DIN power output (rated)
Continuous RMS power output (reference)
Peak music power output (reference)
MINI Hi-Fi COMPONENT SYSTEM
Canadian Model
HCD-RX77
AEP Model
HCD-R700/RX77/RX77S
UK Model
HCD-R700/RX77S
E Model
HCD-GRX7/GRX7J
Australian Model
HCD-GRX7
Tourist Model
HCD-GRX7J
HCD-H991AV
CDM38L-5BD29AL/
CDM38LH-5BD29AL
BU-5BD29AL
KSS-213D/Q-NP
NEW
TCM-230AWR1/
230PWR1
85 + 85watts
(8 ohms at 1 kHz, DIN)
110 + 110 watts
(8 ohms at 1 kHz, 10% THD)
105 + 105 watts
(8 ohms at 1 kHz, DIN)
130 + 130 watts
(8 ohms at 1 kHz, 10% THD)
1500 watts
– Continued on next page –

Advertisement

Table of Contents
loading

Related Manuals for Sony HCD-GRX7

Summary of Contents for Sony HCD-GRX7

  • Page 1 HCD-GRX7/GRX7J/R700/ RX77/RX77S SERVICE MANUAL Canadian Model HCD-RX77 AEP Model HCD-R700/RX77/RX77S UK Model HCD-R700/RX77S E Model HCD-GRX7/GRX7J Australian Model HCD-GRX7 Tourist Model HCD-GRX7/GRX7J/R700/RX77/RX77S are the Amplifier, CD player, Tape Deck HCD-GRX7J and Tuner section in MHC-GRX7/ GRX7J/R700/RX77/RX77S. Photo: HCD-RX77 Dolby noise reduction manufactured under license...
  • Page 2 Batteries (2) Frequency response 40 - 13,000 Hz (±3 dB), FM lead antenna (1) (DOLBY NR OFF) using Sony TYPE I cassette Speaker cords (2) 40 - 14,000 Hz (±3 dB), Front speaker pads (8) using Sony TYPE II cassette Design and specifications are subject to change without notice.

  • Page 3: Table Of Contents

    SECTION 1 SERVICING NOTES TABLE OF CONTENTS SERVICING NOTES ..........3 NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT GENERAL The laser diode in the optical pick-up block may suffer electro- Location of Controls ............6 static break-down because of the potential difference generated Setting the Time ..............
  • Page 4 SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
  • Page 5 HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF. 1 Remove the Case. 3 Pull-out the disc tray. 2 Turn the cam to the direction of arrow. NOTE FOR INSTALLATION (ROTARY ENCODER) Note:When attaching the Base unit, Insert the BU cam section A into the groove of BU cam.

  • Page 6: General

    SECTION 2 GENERAL LOCATION OF CONTROLS 1 I /u (Power) button 2 DISC 1 to 3 buttons and indicators 3 DISC SKIP/EX-CHANGE button 4 6 (CD) button 5 CD disc tray 6 CD ^ button and indicator !∞ 7 TUNER, BAND button !§...
  • Page 7 – 7 –...

  • Page 8: Disassembly

    SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. 6 case 2 screw CASE (CASE3 TP2) (3 1 three screws (BVTP3 3 two screws (CASE3 TP2) (3 2 screw (CASE3 TP2) (3 3 two screws (CASE3 TP2) (3 FRONT PANEL SECTION 1 Turn the cam to the direction of arrow A .
  • Page 9 TAPE MECHANISM DECK SECTION (TCM-230AWR1/TCM-230PWR1) 3 three screws (BVTP3 4 two screws (BVTP3 2 Open the cassette lids. 5 tape mechanism deck section (TCM-230AWR1/ TCM-230PWR1) 1 Push the cassette lids. CD MECHANISM DECK SECTION (CDM38L-5BD29AL/CDM38LH-5BD29AL) 3 two screws (BVTP3 2 wire (flat type) (19 core) (24 cm) (CN105) 4 CD mechanism deck section CDM38L-5BD29AL...
  • Page 10 MAIN BOARD Abbreviation AUS : Australian EA3 : Saudi Arabia HK : Hong Kong SAF : South African CND: Canadian EA4 : Israel : Indonesian : Singapore : 120 V AC Area in E model EE : East European MX : Mexican TH : Thai : 240 V AC Area in E model : German...

  • Page 11: Test Mode

    SECTION 4 TEST MODE [MC Cold Reset] [Change-over of AM Tuner Step between 9 kHz and • The cold reset clears all data including preset data stored in the 10 kHz] RAM to initial conditions. Execute this mode when returning •...
  • Page 12 [Aging Mode] 4. Aging mode in Tape Deck section This mode can be used for operation check of CD section and tape 1) Display state deck section. • No error occurs • If an error occurred: Display action now The aging operation stops and display status. •...

  • Page 13: Mechanical Adjustments

    SECTION 6 SECTION 5 ELECTRICAL ADJUSTMENTS MECHANICAL ADJUSTMENTS Precaution DECK SECTION 0 dB=0.775 V 1. Clean the following parts with a denatured alcohol-moistened swab: 1. Demagnetize the record/playback head with a head demagne- record/playback heads pinch rollers tizer. erase head rubber belts 2.
  • Page 14 2. Turn the adjustment screw and check output peaks. If the peaks DECK B Tape Speed Adjustment do not match for L-CH and R-CH, turn the adjustment screw Note: Start the Tape Speed adjustment as below after setting to the test so that outputs match within 1dB of peak.
  • Page 15 DECK B REC Bias Adjustment 4. Mode: Record Procedure: MD/VIDEO (AUDIO) IN INTRODUCTION 315 Hz, 50 mV (–23.8 dB) AF OSC When set to the test mode performed in Tape Speed Adjust- blank tape ment, when the tape is rewound after recording, the “REC memory CS-123 mode”...

  • Page 16: Tuner Section

    TUNER SECTION 0 dB=1 µV (AEP, German, UK, East European, CIS models only) Note: As a front-end (FE1) is difficult to repair if faulty, replace it with new one. AM Section Adjustment Note: FM Tuned Level Adjustment should be performed after this AM Tuned Level Adjustment.
  • Page 17 FM Polar Adjustment (East European, CIS models only) Procedure : 1. Set the modulation of FM RF SSG to AUDIO 1 kHz, 10 kHz Connection 1: deviation according to “Connection 1”. 2. Tune the set to 69 MHZ. FM RF SSG 3.

  • Page 18: Cd Section

    E-F Balance (Traverse) check CD SECTION (Without remote commander) Note: 1. CD Block is basically designed to operate without adjustment. There- oscilloscope fore, check each item in order given. BD board 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. 3. Use an oscilloscope with more than 10 M impedance. TP (TEO) 4.
  • Page 19 Adjustment Location: [BD BOARD] (Conductor Side) IC101 IC103 CNU102 – 19 –...

  • Page 20: Diagrams

    SECTION 7 DIAGRAMS • Circuit Boards Location TRANSFORMER board ENCAPSULATED COMPONENT (GRX7/GRX7J: Saudi Arabia/RX77: Canadian) TCB board (AEP, UK, German, East European, CIS) CD-SW board TUNER (Tourist) MAIN board PANEL board POWER AMP board HP board SENSOR board MOTOR (TURN) board CONNECTOR board BD board MOTOR (SLIDE) board...

  • Page 21: Block Diagram - Tuner Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-1. BLOCK DIAGRAM – TUNER Section (AEP, UK, German models only) – ST +10V • SIGNAL PATH : FM : AM (MW/LW) B+ SWITCH FM CIRCUIT B+ ANTENNA 10.7MHz 10.7MHz 10.7MHz ST-L FM 75 FM IF AMP FM IF AMP...

  • Page 22: Block Diagram - Tuner Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-2. BLOCK DIAGRAM – TUNER Section (East European, CIS models only) – • SIGNAL PATH ST +10V : FM : AM (MW/LW) B+ SWITCH FM CIRCUIT B+ ANTENNA 10.7MHz 10.7MHz ST-L FM 75 LPF41 FM IF AMP ANT IN...

  • Page 23: Block Diagram - Cd Mechanism Deck Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-3. BLOCK DIAGRAM – CD MECHANISM DECK Section – DIGITAL SIGNAL PROCESSOR, FILTER CLV SERVO PROCESSOR, DIGITAL FILTER, D/A CONVERTER IC103 PD1 I-V AMP PCMD PCMDI OVER SERIAL BCKI SAMPLING INPUT DIGITAL LRCK LRCKI DETECTOR INTERFACE ASYMMETRY FILTER DIGITAL PLL...

  • Page 24: Block Diagram - Tape Deck Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-4. BLOCK DIAGRAM – TAPE DECK Section – DECK PROCESS DECK A/B SELECT, PB/REC EQ AMP, DOLBY NR AMP, ALC, AMS • SIGNAL PATH IC301 : PLAYBACK (DECK A) HRP1 DOLBY PASS (PLAYBACK) : PLAYBACK (DECK B) PB OUT (L)

  • Page 25: Block Diagram - Main Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-5. BLOCK DIAGRAM – MAIN Section – • SIGNAL PATH : CD PLAY : TUNER (FM/AM) : TAPE PLAY : MIC INPUT : RECORD REC-L (Page 28) (GRX7/GRX7J/RX77: Canadian) FAN MOTOR (Saudi Arabia model) M401 DRIVE (FAN MOTOR) RV751...

  • Page 26: Block Diagram - Display/Key Control/Power Supply Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-6. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section – POWER FLUORESCENT INDICATOR TUBE DRIVE, (Page 29) LED DRIVE, KEY CONTROL IC601 CD-POWER (Page 29) DATA, CLK DATA FLUORESCENT INDICATOR TUBE FL601 (Page 29) RESET RESET (Page 30) CD MECHANISM DECK...
  • Page 27 HCD-GRX7/GRX7J/R700/RX77/RX77S • Waveforms – TUNER Section – THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (AEP, UK, German) (In addition to this, the necessary note is printed in each block.) 8 IC103 *ª (XTAI) 1 IC21 @¢ (XOUT) 3 IC101 $¶...

  • Page 28: Schematic Diagram - Tuner Section (Aep, Uk, German Models Only)

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-7. SCHEMATIC DIAGRAM – TUNER Section (AEP, UK, German models only) – • See page 33 for Note on Schematic Diagram. • • See page 34 for Waveforms. See page 77 and 78 for IC Block Diagrams. (Page 61) –...
  • Page 29 HCD-GRX7/GRX7J/R700/RX77/RX77S 7-8. PRINTED WIRING BOARD – TUNER Section (AEP, UK, German models only) – • See page 20 for Circuit Boards Location. • See page 33 for Note on Printed Wiring Board. • Semiconductor Location Ref. No. Location D1751 IC21...
  • Page 30 HCD-GRX7/GRX7J/R700/RX77/RX77S 7-9. PRINTED WIRING BOARD – TUNER Section (East European, CIS models only) – • See page 20 for Circuit Boards Location. • See page 33 for Note on Printed Wiring Board. • Semiconductor Location Ref. No. Location D1701 D1702...

  • Page 31: Schematic Diagram - Tuner Section (East European, Cis Models Only)

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-10. SCHEMATIC DIAGRAM – TUNER Section (East European, CIS models only) – • See page 33 for Note on Schematic Diagram. • See page 34 for Waveforms. • See page 77 and 78 for IC Block Diagrams. (Page 61) –...

  • Page 32: Printed Wiring Board - Cd Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-11. PRINTED WIRING BOARD – CD Section – • See page 20 for Circuit Boards Location. • See page 33 for Note on Printed Wiring Board. • Semiconductor Location Ref. No. Location IC101 IC102 IC103 Q101 MAIN BOARD CN105 (Page 55) –...

  • Page 33: Schematic Diagram - Cd Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-12. SCHEMATIC DIAGRAM – CD Section – • See page 33 for Note on Schematic Diagram. • See page 34 for Waveforms. • See page 79 and 80 for IC Block Diagrams. (Page 57) MAIN BOARD CN105 The components identified by mark 0 or dotted Les composants identifiés par une marque 0 sont...

  • Page 34: Printed Wiring Boards - Cd Motor Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-13. PRINTED WIRING BOARDS – CD MOTOR Section – • See page 20 for Circuit Boards Location. • See page 33 for Note on Printed Wiring Boards. (Page 55) MAIN BOARD CN104 (Page 55) MAIN BOARD CN103 – 45 –...

  • Page 35: Schematic Diagram - Cd Motor Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-14. SCHEMATIC DIAGRAM – CD MOTOR Section – • See page 33 for Note on Schematic Diagram. • See page 81 for IC Block Diagrams. MAIN BOARD CN104 (Page 57) MAIN BOARD CN103 (Page 57) – 47 – – 48 –...

  • Page 36: Printed Wiring Board - Tape Deck Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-15. PRINTED WIRING BOARD – TAPE DECK Section – • See page 20 for Circuit Boards Location. • See page 33 for Note on Printed Wiring Boards. (Page 55) MAIN BOARD CN106 – 49 – – 50 –...

  • Page 37: Schematic Diagram - Tape Deck Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-16. SCHEMATIC DIAGRAM – TAPE DECK Section – • See page 33 for Note on Schematic Diagram. • See page 81 for IC Block Diagram. MAIN BOARD CN106 (Page 61) The components identified by mark 0 or dotted Les composants identifiés par une marque 0 sont line with mark 0 are critical for safety.

  • Page 38: Printed Wiring Board - Leaf Sw Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-17. PRINTED WIRING BOARD – LEAF SW Section – • See page 20 for Circuit Boards Location. • See page 33 for Note on Printed Wiring Boards. • Semiconductor Location Ref. No. Location Ref. No. Location D141 Q113 D401...

  • Page 39: Printed Wiring Board - Main Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-19. PRINTED WIRING BOARD – MAIN Section – • See page 20 for Circuit Boards Location. • See page 33 for Note on Printed Wiring Boards. • See page 57 to 64 for Schematic Diagram. (Page 37) (AEP, UK, G)

  • Page 40: Schematic Diagram - Main Section (1/4)

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-20. SCHEMATIC DIAGRAM – MAIN Section (1/4) – • See page 33 for Note on Schematic Diagram. • See page 55 and 56 for Printed Wiring Board. (Page 59) (Page 44) (Page 48) (Page 48) (Page 63) • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions.

  • Page 41: Schematic Diagram - Main Section (2/4)

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-21. SCHEMATIC DIAGRAM – MAIN Section (2/4) – • See page 33 for Note on Schematic Diagram. • See page 55 and 56 for Printed Wiring Board. (Page 74) (Page 58) (Page 71) (Page 63) The components identified by mark 0 or dotted Les composants identifiés par une marque 0 sont...

  • Page 42: Schematic Diagram - Main Section (3/4)

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-22. SCHEMATIC DIAGRAM – MAIN Section (3/4) – • See page 33 for Note on Schematic Diagram. • See page 55 and 56 for Printed Wiring Board. • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions.

  • Page 43: Schematic Diagram - Main Section (4/4)

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-23. SCHEMATIC DIAGRAM – MAIN Section (4/4) – • See page 34 for Waveforms. • See page 33 for Note on Schematic Diagram. • See page 55 and 56 for Printed Wiring Board. (Page 59) (Page 58) (Page 62)

  • Page 44: Printed Wiring Board - Panel Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-24. PRINTED WIRING BOARD – PANEL Section – • See page 20 for Circuit Boards Location. • See page 33 for Note on Printed Wiring Boards. (Page 55) (Page 70) • Semiconductor Location Ref. No. Location Ref. No. Location Ref.

  • Page 45: Schematic Diagram - Panel Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-25. SCHEMATIC DIAGRAM – PANEL Section – • See page 34 for Waveform. • See page 81 for IC Block Diagrams. • See page 33 for Note on Schematic Diagram. • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions.

  • Page 46: Printed Wiring Board - Cd-Sw Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-26. PRINTED WIRING BOARD – CD-SW Section – • See page 20 for Circuit Boards Location. • See page 33 for Note on Printed Wiring Boards. (Page 66) 7-27. SCHEMATIC DIAGRAM – CD-SW Section – • See page 33 for Note on Schematic Diagram.

  • Page 47: Printed Wiring Board - Hp Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-28. PRINTED WIRING BOARD – HP Section – • See page 20 for Circuit Boards Location. • See page 33 for Note on Printed Wiring Boards. (page 55) 7-29. SCHEMATIC DIAGRAM – HP Section – • See page 33 for Note on Schematic Diagram.

  • Page 48: Printed Wiring Board - Power Amp Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-30. PRINTED WIRING BOARD – POWER AMP Section – • See page 20 for Circuit Boards Location. • See page 33 for Note on Printed Wiring Boards. (page 56) • Semiconductor Location Ref. No. Location D800 D801 D841 D842...

  • Page 49: Schematic Diagram - Power Amp Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-31. SCHEMATIC DIAGRAM – POWER AMP Section – • See page 33 for Note on Schematic Diagram. • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM The components identified by mark ! or dotted Les composants identifiés par une marque ! sont...

  • Page 50: Printed Wiring Board - Transformer Section

    HCD-GRX7/GRX7J/R700/RX77/RX77S 7-32. PRINTED WIRING BOARD – TRANSFORMER Section – • See page 20 for Circuit Boards Location. • See page 33 for Note on Printed Wiring Board. 7-33. SCHEMATIC DIAGRAM – TRANSFORMER Section – • See page 33 for Note on Schematic Diagram.

  • Page 51: Ic Block Diagrams

    • IC Block Diagrams – TCB Board – IC21 LC72130 (AEP, UK, German, East European, CIS models) PHASE DETECTOR CHARGE PUMP UNLOCK POWER DETECTOR RESET REFERENCE SWALLOW COUNTER DIVIDER 1/16, 1/17 4BITS 12BITS PROGRAMMABLE DRIVER UNIVERSAL DATA SHIFT REGISTER LATCH COUNTER 3 4 5 6 IC41 LA1838 (AEP, UK, German, East European, CIS models)
  • Page 52 IC1701 IR3R42 (East European, CIS models) IC1702 µPD4053BC (East European, CIS models) 19 18 14 13 B.COM OPEN PHASE A.COM COMPARATOR PHASE PHASE C.COM COMPARATOR 2 OPEN TRIGGER WAVEFORM SEP. REGULATOR SAMPLE MUTE GATE & HOLD OPEN BUFFER IC1752 BU1922 (AEP, UK, German models) TEST LOGIC AND OUTPUT SELECTOR SWITCH 57kHz...
  • Page 53 – BD Board – IC101 CXA1992AR – RF SUMMING PD2 IV PD1 IV – FE_BIAS SENS2 – SENS1 – LASER POWER CONTROL F IV AMP FE AMP – C. OUT E IV AMP – DFCT XRST – LEVEL S DATA FO.
  • Page 54 IC102 BA5941FP-E2 – – + – – + – – LEVEL SHIFT – LEVEL SHIFT LEVEL SHIFT – LEVEL SHIFT – + – + – – – MUTE IC103 CXD2519Q 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 LRCK AVSS WDCK...

  • Page 55: Panel Board

    – MOTOR (TURN) Board – – PANEL Board – IC701 M54641L IC603 BA3833F-E2 RESET 18 RESET RESET REFERENCE REFFERENCE PREF 17 f01 POWER OUT2 INPUT CURRENT AMP. AMP. CONTROL LINE 16 f02 POWER OUT1 INPUT AMP. AMP. LINE 15 f03 BIAS 13 f Bias...

  • Page 56: Ic Pin Function Description

    7-34. IC PIN FUNCTION DESCRIPTION MAIN BOARD IC501 PD780018AYGF-011-3BA (SYSTEM CONTROLLER) Pin No. Pin Name Function LINE-MUTE Line muting on/off control signal output terminal “L”: muting on DBFB normal/high selection signal output to the M62442FP (IC101) DBFB-H/L “L”: DBFB high, “H”: DBFB low M62442-LATCH Serial data latch pulse output to the M62442FP (IC101) KEYCON-LATCH...
  • Page 57 Pin No. Pin Name Function DELAY-CONT Serial data latch pulse output terminal Not used (open) PL-LATCH Serial data latch pulse output terminal Not used (open) COM-DIN Serial data input terminal Not used (fixed at “L”) COM-DOUT Serial data output terminal Not used (open) COM-CLK Serial data transfer clock signal output terminal Not used (open) Power on/off control signal output for the CD mechanism deck section...
  • Page 58 Pin No. Pin Name Function ST-MUTE Tuner muting control signal output to the FM/AM tuner unit or LA1838 (IC41) “L”: muting on SENS2 Internal status (SENSE) signal input from the CXA1992AR (IC101) SENS Internal status (SENSE) signal input from the CXD2519Q (IC103) DISC-SENS Disc status detection signal input from the disc sensor (IC703) TBL-SENS...
  • Page 59 PANEL BOARD IC601 TMP87PM74F-6695 (FLUORESCENT INDICATOR TUBE DRIVE, LED DRIVE, KEY CONTROL) Pin No. Pin Name Function LED3 LED drive signal output terminal Not used (open) LED4 LED drive signal output terminal Not used (open) LED5 LED drive signal output terminal (DISC 3) LED6 LED drive signal output terminal (DISC 2) LED7...
  • Page 60 Pin No. Pin Name Function Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603) SPEANA-1 (for low frequency) Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603) SPEANA-2 (for low and middle frequency) Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603) SPEANA-3 (for middle and high frequency) Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)

  • Page 61: Exploded Views

    SECTION 8 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark ! or dotted line with mark may have some difference from the original are seldom required for routine service.
  • Page 62 * 61 A-4403-990-A PANEL BOARD, COMPLETE (EE, CIS) 4-930-336-61 FOOT (FELT) * 61 A-4407-013-A PANEL BOARD, COMPLETE 4-962-708-11 EMBLEM (4-A), SONY (EXCEPT AEP, UK, G, EE, CIS, EA3) 4-995-081-01 LATCH, DC * 61 A-4407-015-A PANEL BOARD, COMPLETE (EA3) 4-996-722-01 KNOB (VOL)
  • Page 63 Ref. No. Part No. Description Remark (3) CHASSIS SECTION Ref. No. Part No. Description Remark * 101 A-4403-998-A POWER AMP BOARD, COMPLETE 1-693-385-11 TUNER (JE) (AEP, UK, G, EE, CIS) * 109 A-4303-588-A TCB BOARD, COMPLETE (EE, CIS) * 101 A-4407-010-A POWER AMP BOARD, COMPLETE * 109 A-4303-590-A TCB BOARD, COMPLETE (AEP, UK, G)
  • Page 64 (4) CD MECHANISM DECK SECTION-1 (5) CD MECHANISM DECK SECTION-2 CDM38L-5BD29AL CDM38L-5BD29AL CDM38LH-5BD29AL CDM38LH-5BD29AL HOW TO DISCRIMINATE (MAGNET Ref.No.257,270) FOR CDM38L -5BD29AL FOR CDM38LH CDM38L CDM38LH -5BD29AL -5BD29AL -5BD29AL M701 supplied supplied not supplied M801 BU-5BD29AL S811 Ref. No. Part No. Description Remark Ref.
  • Page 65 (6) BASE UNIT SECTION (BU-5BD29AL) M101 M102 The components identified by Les composants identifiés par une mark ! or dotted line with marque ! sont critiques pour la mark ! are critical for safety. sécurité. Replace only with part num- Ne les remplacer que par une pièce ber specified.
  • Page 66 (7) TAPE MECHANISM DECK SECTION-1 TCM-230AWR1 TCM-230PWR1 * NOTE: Two types of parts which are not interchangeable are available for the Head deck (A) ASSY and Head deck (B) ASSY. When replacing the parts, refer to the following figure, and use the appropriate part Parts with “P”...
  • Page 67 (8) TAPE MECHANISM DECK SECTION-2 TCM-230AWR1 TCM-230PWR1 * NOTE: Two types of parts which are not interchangeable are available for the mechanical block assembly. When replacing the parts, refer to the following figure, and use the appropriate part. Parts with “P” mark: 230PWR1 Parts without “P”...

  • Page 68: Electrical Parts List

    SECTION 9 AUDIO ELECTRICAL PARTS LIST NOTE: • Items marked “*” are not stocked since they • Due to standardization, replacements in the The components identified by mark ! or dotted line with mark are seldom required for routine service. parts list may be different from the parts speci- ! are critical for safety.
  • Page 69 AUDIO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R412 1-247-807-31 CARBON 1/4W C127 1-164-161-11 CERAMIC CHIP 0.0022uF 10% 100V R414 1-247-882-11 CARBON 130K 1/4W C128 1-163-135-00 CERAMIC CHIP 560PF R415 1-247-850-11 CARBON 6.2K 1/4W C129 1-163-038-91 CERAMIC CHIP 0.1uF R431...
  • Page 70 CD-SW CONNECTOR Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R107 1-216-088-00 METAL CHIP 1/10W < SWITCH > R108 1-216-088-00 METAL CHIP 1/10W S101 1-572-085-11 SWITCH, LEAF (LIMIT) R109 1-216-093-00 METAL CHIP 1/10W R114 1-216-101-00 METAL CHIP 150K 1/10W <...
  • Page 71 LEAF SW MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < VARIABLE RESISTOR > 1-668-209-11 HP BOARD RV1001 1-241-785-11 RES, ADJ, CARBON 10K ********* RV1002 1-241-785-11 RES, ADJ, CARBON 10K < CAPACITOR > < SWITCH > C421 1-162-294-31 CERAMIC 0.001uF...
  • Page 72 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C141 1-126-959-11 ELECT 0.47uF C334 1-162-600-11 CERAMIC 0.0047uF 20% C151 1-162-286-31 CERAMIC 220PF C152 1-162-286-31 CERAMIC 220PF C351 1-126-160-11 ELECT C161 1-137-195-11 FILM 0.56uF C352 1-130-479-00 MYLAR 0.0047uF 5% C162 1-136-158-00 FILM...
  • Page 73 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C904 1-126-967-11 ELECT 47uF D905 8-719-985-87 DIODE HZS6B1LTA C905 1-104-661-91 ELECT 330uF C909 1-126-964-11 ELECT 10uF D906 8-719-911-19 DIODE 1SS119 C910 1-126-933-11 ELECT 100uF D907 8-719-024-99 DIODE 11ES2-NTA2B D908 8-719-024-99 DIODE 11ES2-NTA2B C911...
  • Page 74 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q338 8-729-029-21 TRANSISTOR DTA114ESA-TP R141 1-249-433-11 CARBON 1/4W Q339 8-729-029-66 TRANSISTOR DTC114ESA R142 1-249-433-11 CARBON 1/4W Q340 8-729-116-57 TRANSISTOR 2SB1068-K R143 1-249-417-11 CARBON 1/4W Q341 8-729-144-44 TRANSISTOR 2SD1513-K Q342 8-729-029-21 TRANSISTOR DTA114ESA-TP R144...
  • Page 75 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R326 1-249-437-11 CARBON 1/4W R440 1-247-903-91 CARBON 1/4W R327 1-249-437-11 CARBON 1/4W R441 1-249-429-11 CARBON 1/4W R328 1-247-876-11 CARBON 1/4W R443 1-249-417-11 CARBON 1/4W R451 1-260-076-11 CARBON 1/2W R329 1-249-417-11 CARBON...
  • Page 76 MAIN MOTOR (SLIDE) MOTOR (TURN) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R546 1-247-843-11 CARBON 3.3K 1/4W X502 1-567-098-41 VIBRATOR, CRYSTAL (32.768kHz) R547 1-247-807-31 CARBON 1/4W ************************************************************ R548 1-247-807-31 CARBON 1/4W 1-658-578-11 MOTOR (SLIDE) BOARD R549 1-247-807-31 CARBON 1/4W...
  • Page 77 PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-4403-990-A PANEL BOARD, COMPLETE (EE, CIS) (EA3) A-4407-013-A PANEL BOARD, COMPLETE C766 1-162-305-11 CERAMIC 0.0068uF 30% (EXCEPT AEP, UK, G, EE, CIS, EA3) (EA3) A-4407-015-A PANEL BOARD, COMPLETE (EA3) C767 1-162-294-31 CERAMIC 0.001uF...
  • Page 78 PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark <LEAD> R619 1-249-435-11 CARBON 1/4W R620 1-247-895-00 CARBON 470K 1/4W 1-690-880-51 LEAD (WITH CONNECTOR) R621 1-249-427-11 CARBON 6.8K 1/4W R622 1-249-409-11 CARBON 1/4W < FERRITE BEAD > R623 1-249-410-11 CARBON 1/4W...
  • Page 79 PANEL POWER AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R729 1-249-413-11 CARBON 1/4W S614 1-771-410-11 SWITCH, KEYBOARD (FUNCTION) R730 1-249-415-11 CARBON 1/4W S615 1-771-410-11 SWITCH, KEYBOARD (EDIT, DIRECTION) R731 1-249-416-11 CARBON 1/4W S616 1-771-410-11 SWITCH, KEYBOARD (PLAY MODE, DOLBY NR) R732 1-249-418-11 CARBON 1.2K...
  • Page 80 POWER AMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C841 1-130-777-00 FILM 0.1uF 100V Q832 8-729-140-84 TRANSISTOR 2SC1841-PAFAEA (GRX7/GRX7J/RX77: CND) (GRX7/GRX7J/RX77: CND) C841 1-136-165-00 FILM 0.1uF Q851 8-729-140-84 TRANSISTOR 2SC1841-PAFAEA (AEP, UK, G, EE, CIS) C842 1-117-750-11 ELECT 3300uF...
  • Page 81 POWER AMP SENSOR Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R844 1-249-421-11 CARBON 2.2K 1/4W 1-163-038-91 CERAMIC CHIP 0.1uF (AEP, UK, G, EE, CIS) R844 1-249-425-11 CARBON 4.7K 1/4W 1-163-249-11 CERAMIC CHIP 82PF (CND) 1-163-141-00 CERAMIC CHIP 0.001uF 1-163-031-11 CERAMIC CHIP 0.01uF...
  • Page 82 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C1707 1-163-129-00 CERAMIC CHIP 330PF JR46 1-216-296-91 METAL CHIP 1/8W C1710 1-163-141-00 CERAMIC CHIP 0.001uF JR47 1-216-295-91 METAL CHIP 1/10W C1711 1-163-141-00 CERAMIC CHIP 0.001uF JR48 1-216-295-91 METAL CHIP 1/10W JR49 1-216-296-91 METAL CHIP...
  • Page 83 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-249-417-11 CARBON 1.0K 1/4W RV1701 1-238-600-11 RES, ADJ, CARBON 10K RV1702 1-238-599-11 RES, ADJ, CARBON 4.7K 1-249-437-11 CARBON 1/4W 1-249-429-11 CARBON 1/4W < TERMINAL > 1-249-417-11 CARBON 1.0K 1/4W 1-216-061-00 METAL CHIP 3.3K...
  • Page 84 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-126-960-11 ELECT 1.0uF < IC > 1-126-959-11 ELECT 0.47uF 1-126-960-11 ELECT 1.0uF IC21 8-759-288-54 IC LC72130 1-126-964-11 ELECT 10uF IC41 8-759-495-82 IC LA1838 IC1751 8-759-634-51 IC M5218AP 1-104-396-11 ELECT 10uF IC1752 8-759-450-86 IC BU1922 1-104-396-11 ELECT...
  • Page 85 TRANSFORMER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-037-00 METAL CHIP 1/10W < VIBRATOR > 1-216-037-00 METAL CHIP 1/10W 1-216-081-00 METAL CHIP 1/10W 1-760-549-11 VIBRATOR, CRYSTAL (4.5MHz) 1-216-073-00 METAL CHIP 1/10W 1-767-825-21 FILTER, CERAMIC (10.7MHz) 1-216-073-00 METAL CHIP 1/10W 1-527-981-00 FILTER, CERAMIC (450kHz)
  • Page 86 HCD-GRX7/GRX7J/R700/RX77/RX77S Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 7-621-255-15 SCREW +P 2X3 MISCELLANEOUS 7-685-850-04 SCREW +BVTT 2X3 (S) ************** 7-628-254-15 SCREW +PS 2.6X6 1-769-984-11 WIRE (FLAT TYPE) (13 CORE) (23CM) 7-628-254-50 SCREW +PS 2.6X16 1-773-048-11 WIRE (FLAT TYPE) (17 CORE)

This manual is also suitable for:

Hcd-r700Hcd-grx7jHcd-rx77Hcd-rx77s

Table of Contents