Sony HCD-GRX70 Service Manual
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Sony HCD-GRX70 Service Manual

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HCD-GRX70/GRX70J/RXD80
SERVICE MANUAL
HCD-GRX70/GRX70J/RXD80 are the Am-
plifier, CD player, Tape Deck and Tuner
section in HMC-GRX70/GRX70J/RXD80.
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%
Other models:
The following measured at AC 120, 220, 240 V 50/60 Hz
DIN power output (rated)
Continuous RMS power output (reference)
MICROFILM
Photo: HCD-GRX70 (GRAY)
CD
Section
Tape deck
Section
SPECIFICATIONS
100 + 100 watts
(8 ohms at 1 kHz, 10% THD)
(8 ohms at 1 kHz, 55 W)
130 + 130 watts
(6 ohms at 1 kHz, DIN)
170 + 170 watts
(6 ohms at 1 kHz, 10% THD)
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Name
Optical Pick-up Name
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
Inputs
MD/VIDEO (AUDIO) IN:
voltage 450 mV/250 mV,
(phono jacks)
impedance 47 kilohms
MIX MIC: (phone jack)
sensitivity 1 mV, impedance 10
kilohms
Outputs
MD OUT:
voltage 250 mV,
(phono jacks)
impedance 1 kilohms
PHONES:
accepts headphones of 8 ohms
(stereo mini jack)
or more
SPEAKER:
Canadian model:
accepts impedance of 8 to 16 ohms
SURROUND SPEAKER (GRX70/GRX70J):
accepts impedance of 16 ohms
SUPER WOOFER:
Voltage 1 V, impedance 1 kilohm
MINI Hi-Fi COMPONENT SYSTEM
Canadian Model
HCD-RXD80
E Model
HCD-GRX70/GRX70J
Australian Model
HCD-GRX70
HCD-GRX50/RXD7
CDM38LH-5BD32L
BU-5BD32L
KSS-213D/Q-NP
HCD-GRX50/RXD7
TCM-230AWR2
– Continued on next page –

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  • Page 1 SERVICE MANUAL Canadian Model HCD-RXD80 E Model HCD-GRX70/GRX70J Australian Model HCD-GRX70 HCD-GRX70/GRX70J/RXD80 are the Am- plifier, CD player, Tape Deck and Tuner Photo: HCD-GRX70 (GRAY) section in HMC-GRX70/GRX70J/RXD80. Dolby noise reduction manufactured under license Model Name Using Similar Mechanism HCD-GRX50/RXD7 from Dolby Laboratories Licensing Corporation.
  • Page 2 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 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 MODEL IDENTIFICATION – Rear Panel – PART No. MODEL PART No. Thai model 4-214-456-6π Argentine and 120 V AC Area in E models 4-215-169-0π Singapore model 4-215-169-1π Mexican model 4-215-169-2π Saudi Arabia model 4-215-169-3π GRX70J: 240 V AC Area in E model 4-215-169-5π...
  • 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 This section is extracted from instruction manual. GENERAL LOCATION OF CONTOROLS – Front Panel – @ª EDIT, DIRECTION, TUNER MEMORY button PLAY MODE, DOLBY NR button REPEAT, STEREO/MONO button #º EFFECT button FILE SELECT button GEQ CONTROL button P FILE MEMORY button #¡...
  • Page 7 – 7 –...

  • Page 8: Disassembly

    SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. COVER 6 cover 2 screw (case 3TP2) (3 × 12) 1 three screws (BVTP3 × 8) 3 two screws (case 3TP2) (3 × 8) 2 screw (case 3TP2) (3 × 12) 3 two screws (case 3TP2) (3 ×...
  • Page 9 FRONT PANEL SECTION 1 wire (flat type) (15 core) (32 cm) (CN303) 4 screw (BVTT3 × 10) 3 lug 2 screw (BVTT3 × 6) 6 front panel section 3 lug 4 screw (BVTP3 × 10) 2 screw (BVTT3 × 6) 1 wire (flat type) (23 core) (CN501) 1 wire (flat type) (17 core)
  • Page 10 TAPE MECHANISM DECK SECTION (TCM-230AWR2) 3 three screws (BVTP2.6 × 8) 3 two screws (BVTP2.6 × 8) 2 Open two cassette lids. 4 tape mechanism deck section (TCM-230AWR2) 1 Push the cassette lid. 1 Push the cassette lid. MAIN BOARD •...

  • Page 11: Test Mode

    SECTION 4 TEST MODE [MC Cold Reset] [CD Service Mode] • The cold reset clears all data including preset data stored in the • This mode can run the CD sled motor optionally. Use this mode, RAM to initial conditions. Execute this mode when returning for instance, when cleaning the optical pick-up.
  • Page 12 [Aging Mode] • Display at an error occurred This mode can be used for operation check of CD section and tape 1) Display of the error count [ENTER/NEXT] [CD SYNC] (1) Press three buttons of p , deck section. , and CD section and tape deck section work in parallel.
  • Page 13 3. Tape Deck Section • The sequence during the aging mode is following as below. • If an error occurred, stop display that step. Aging mode sequence (Tape deck section) : Rewind the tape A and B “TAPE A AG-1” Shut off FWD play the tape A “TAPE A AG-2”...

  • Page 14: 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 15 DECK B 2. Turn the adjustment screw and check output peaks. If the peaks Tape Speed Adjustment do not match for L-CH and R-CH, turn the adjustment screw Mode: Playback so that outputs match within 1dB of peak. test tape WS-48B frequency counter (3 kHz, 0 dB)
  • Page 16 DECK B REC Bias Adjustment Specification values: Procedure: J101 PB level: 47.2 to 53.0 mV (–24.3 to –23.3 dB) 1. Mode: Record FUNCTION: VIDEO Adjustment Location: MAIN board main board – MAIN BOARD (Conductor Side) – VIDEO (AUDIO) IN jack (J101) L-CH, R-CH RV301 ...

  • Page 17: Cd Section

    E-F Balance (1 Track Jump) Check CD SECTION oscilloscope Note: 1. CD Block is basically designed to operate without adjustment. There- BD board fore, check each item in order given. 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. TP (TE) 3.
  • Page 18 Checking Location: – BD BOARD (Side B) – TP (GND) TP (VC) IC102 TP (RF) (AGCCON) IC103 TP (FE) TP (FE1) TP (TE) – 18 –...

  • Page 19: Diagrams

    HCD-GRX70/GRX70J/RXD80 SECTION 7 DIAGRAMS 7-1. BLOCK DIAGRAM – CD SERVO Section – FILTER DIGITAL SIGNAL PROCESSOR, DIGITAL FILTER, D/A CONVERTER IC101 (1/2) RF AMP, 56 53 FOCUS/TRACKING ERROR AMP IC103 DETECTOR CD D+5V PCMD LRCK INTERFACE C2PO RFAC RF EQ...

  • Page 20: Block Diagram - Tape Deck Section

    HCD-GRX70/GRX70J/RXD80 7-2. BLOCK DIAGRAM – TAPE DECK Section – DECK PROCESS DECK A/B SELECT, PB/REC EQ AMP, DOLBY NR AMP, ALC, AMS IC301 • SIGNAL PATH : PLAYBACK (DECK A) DOLBY PASS HP101 (PLAYBACK) : PLAYBACK (DECK B) PB OUT (L)

  • Page 21: Block Diagram - Main Section

    HCD-GRX70/GRX70J/RXD80 REC-L (Page 22) 7-3. BLOCK DIAGRAM – MAIN Section – (GRX70J: Saudi Arabia) RV711 ECHO LEVEL DIGITAL ECHO MD OUT IC711 R-CH J711 MIX MIC J101 (2/2) MIC AMP MIC AMP IC712 (1/2) IC712 (2/2) R-CH SUPER RV712 WOOFER...

  • Page 22: Block Diagram - Display/Key Control/Power Supply Section

    HCD-GRX70/GRX70J/RXD80 7-4. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section – (Page 23) (Page 23) (RXD80) SUB POWER TRANSFORMER FLUORESCENT INDICATOR TUBE DRIVER, +5V REGULATOR RECT KEY CONTROL BAND-PASS FILTER IC11 D12 – 15 IC601 IC603 FL ON/OFF –26V REGULATOR RECT...

  • Page 23: Note For Printed Wiring Boards And Schematic Diagrams

    7-5. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • Circuit Boards Location • Abbreviation Note on Printed Wiring Board: Note on Schematic Diagram: AR : Argentine model • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF AUS : Australian model •...

  • Page 24: Printed Wiring Board - Bd Board

    HCD-GRX70/GRX70J/RXD80 7-6. PRINTED WIRING BOARD – BD Board – • See page 28 for Circuit Boards Location. TP(GND) TP(VC) TP(RF) (AGCCON) TP(FE) TP(TE) (Page 43) TP(FE1) • Semiconductor • Semiconductor KSS-213D/Q-NP Location Location (Side A) (Side B) Ref. No. Location Ref.

  • Page 25: Schematic Diagram - Bd Board

    HCD-GRX70/GRX70J/RXD80 7-7. SCHEMATIC DIAGRAM – BD Board – • See page 59 for Waveforms. • See page 64 for IC Block Diagrams. (Page 45) • Voltages and waveforms are dc with respect to ground The components identified by mark ! or dotted Les composants identifiés par une marque ! sont...

  • Page 26: Printed Wiring Boards - Cd Motor Section

    HCD-GRX70/GRX70J/RXD80 7-8. PRINTED WIRING BOARDS – CD MOTOR Section – • See page 28 for IC Circuit Boards Location. (Page 43) DISC TRAY DISC TRAY SLIDE TURN 1-658-577- (DISC TRAY ADDRESS DETECT) (Page 43) – 33 – – 34 –...

  • Page 27: Schematic Diagram - Cd Motor Section

    HCD-GRX70/GRX70J/RXD80 7-9. SCHEMATIC DIAGRAM – CD MOTOR Section – • See page 65 for IC Block Diagrams. DISC TRAY ADDRESS DETECT DISC TRAY SLIDE CLOSE OPEN (Page 45) (DISC TRAY SLIDE) DISC TRAY TURN DISC IN DETECT DISC TRAY SENSOR...

  • Page 28: Printed Wiring Board - Audio Board

    HCD-GRX70/GRX70J/RXD80 7-10. PRINTED WIRING BOARD – AUDIO Board – • See page 28 for Circuit Boards Location. (Page 43) – 37 – – 38 –...

  • Page 29: Schematic Diagram - Audio Board

    HCD-GRX70/GRX70J/RXD80 7-11. SCHEMATIC DIAGRAM – AUDIO Board – • See page 66 for IC Block Diagram. PB EQ AMP (PLAYBACK) (DECK A) PB LEVEL (L) (DECK A) PB LEVEL (R) (DECK A) PB EQ AMP (DECK B) PB LEVEL (L)

  • Page 30: Printed Wiring Board - Leaf Sw Board

    HCD-GRX70/GRX70J/RXD80 7-12. PRINTED WIRING BOARD – LEAF SW Board – • See page 28 for Circuit Boards Location. • Semiconductor Location DECK B Ref. No. Location Ref. No. Location DECK A PLUNGER PLUNGER Q113 D141 E-10 D191 E-12 Q161 D331...

  • Page 31: Printed Wiring Board - Main Board

    HCD-GRX70/GRX70J/RXD80 7-14. PRINTED WIRING BOARD – MAIN Board – • See page 28 for Circuit Boards Location. (Page 33) (Page 33) (Page 30) (Page 38) (Page 41) (Page 53) (Page 61) (Page 61) – 43 – – 44 –...

  • Page 32: Schematic Diagram - Main Board (1/4)

    HCD-GRX70/GRX70J/RXD80 7-15. SCHEMATIC DIAGRAM – MAIN Board (1/4) – (Page 47) (Page 31) (Page 36) (Page 51) (Page 36) (Page 50) • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : TUNER (FM/AM) ) : CD PLAY –...

  • Page 33: Schematic Diagram - Main Board (2/4)

    HCD-GRX70/GRX70J/RXD80 7-16. SCHEMATIC DIAGRAM – MAIN Board (2/4) – (Page (Page 63) (Page 50) (Page 52) • Voltages are dc with respect to ground under no-signal The components identified by mark ! or dotted Les composants identifiés par une marque ! sont (detuned) conditions.

  • Page 34: Schematic Diagram - Main Board (3/4)

    HCD-GRX70/GRX70J/RXD80 7-17. SCHEMATIC DIAGRAM – MAIN Board (3/4) – (Page 46) (Page 47) (Page 51) (Page 63) (Page 56) (Page 51) (Page 40) (Page 42) • Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : TUNER (FM/AM)

  • Page 35: Schematic Diagram - Main Board (4/4)

    HCD-GRX70/GRX70J/RXD80 7-18. SCHEMATIC DIAGRAM – MAIN Board (4/4) – • See page 59 for Waveforms. (Page 48) (Page (Page (Page uPC7812AHF • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : TUNER (FM/AM)

  • Page 36: Printed Wiring Board - Panel Board

    HCD-GRX70/GRX70J/RXD80 7-19. PRINTED WIRING BOARD – PANEL Board – • See page 28 for Circuit Boards Location. (Page 43) (Page 57) • Semiconductor Location Ref. No. Location Ref. No. Location Ref. No. Location D610 D628 Q601 D611 D629 Q602 D612...

  • Page 37: Schematic Diagram - Panel Board

    HCD-GRX70/GRX70J/RXD80 7-20. SCHEMATIC DIAGRAM – PANEL Board– • See page 59 for Waveform. • See page 66 for IC Block Diagrams. (Page (Page 50) • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : TUNER (FM/AM) –...

  • Page 38: Printed Wiring Board - Cd Sw Board

    HCD-GRX70/GRX70J/RXD80 7-21. PRINTED WIRING BOARD – CD SW Board – • See page 28 for Circuit Boards Location. 7-22. SCHEMATIC DIAGRAM – CD SW Board – (Page 55) (Page 54) – 57 – – 58 –...
  • Page 39 • Waveforms – BD Board – – MAIN Board – 1 IC101 ^¶ (XTAO) 5 IC101 @§ (MDP) 1 IC501 0 (XC-IN) 2.5 Vp-p 1.8 Vp-p 3.1 Vp-p 16.9344 MHz 32.768 kHz 7.8 µ s 2 IC101 %¡ (RF AC) (CD Play Mode) 6 IC102 !§...

  • Page 40: Printed Wiring Boards - Transformer Section

    HCD-GRX70/GRX70J/RXD80 7-23. PRINTED WIRING BOARDS – TRANSFORMER Section – • See page 28 for Circuit Boards Location. • Semiconductor Location Ref. No. Location (Page 43) D971 D972 D973 Q971 (Page 43) • Semiconductor Location Ref. No. Location IC11 (Page 43) –...

  • Page 41: Schematic Diagram - Transformer Section

    HCD-GRX70/GRX70J/RXD80 7-24. SCHEMATIC DIAGRAM – TRANSFORMER Section – (Page 48) (Page 50) (Page • Voltages are dc with respect to ground under no-signal (detuned) conditions. no mark : TUNER (FM/AM) The components identified by mark ! or dotted Les composants identifiés par une marque ! sont line with mark ! are critical for safety.
  • Page 42 • IC Block Diagrams – BD Board – IC101 CXD2587Q ERROR DIGITAL CORRECTOR DIGITAL ASYMMETRY CORRECTION OPERATIONAL LRCK AMPLIFIER ANALOG SWITCH PCMD INTERFACE DEMODULATOR CONVERTER EMPH XVDD XTAI TIMING CLOCK XTAO LOGIC XTSL GENERATOR XVSS TES1 AVDD1 TEST AOUT1 SERVO DSP PWM GENERATOR AIN1 FRDR...
  • Page 43 IC103 CXA2568M-T6 HOLD APC PD AMP LC/PD APC LD AMP – LD ON – – – HOLD SW AGC CONT AGC VTH 50µA RF BOT – – – – RFTC RF SUMMING AMP RF EQ AMP RF I RF O –...

  • Page 44: Audio Board

    – AUDIO Board – IC602 µPC1330HA INVERTER COMPARATER SW P1 CONT GND SW P2 GND SW R1 GND SW R2 – PANEL Board – IC603 BA3830F IC604 NJU3716M-T2 RESET RESET 18 17 16 15 14 13 REFERENCE CURRENT REFERENCE CURRENT CONTROL LINE NF CIRCUIT...

  • Page 45: Ic Pin Function Description

    7-25. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC501 M30622MA-A07FP (SYSTEM CONTROLLER (CD MECHANISM CONTROL)) Pin No. Pin Name Description STK-MUTE Power amplifier on/off selection signal output terminal “L”: standby mode, “H”: on Power on/off control signal output for the audio system (+5V) and deck, panel, audio system POWER (+7V) “L”: standby mode, “H”: power on F-RELAY...
  • Page 46 Pin No. Pin Name Description VC L+R/L–R Virtual cinema L+R/L–R selection signal output terminal Not used (open) VC BYPASS Virtual cinema bypass control signal output terminal Not used (open) Filament on/off selection signal output for the fluorescent indicator tube (FL601) FL SW “L”: on, “H”: off Used for the HCD-RXD80 model only...
  • Page 47 Pin No. Pin Name Description Whether a music is present or not from HA12215F (IC301) is detected at automatic music sensor AMS-IN “L”: music is present, “H”: music is not present Line muting on/off selection signal output to the HA12215F (IC301) TC-MUTE “L”: muting off, “H”: muting on Recording/playback/pass selection signal output to the HA12215F (IC301)
  • Page 48 • PANEL BOARD IC601 TMP88CS76F-6004 (FLUORESCENT INDICATOR TUBE DRIVER, KEY CONTROL) Pin No. Pin Name Description SIRCS Remote control signal input from the remote control receiver (IC602) JOG-A Jog dial pulse input from the rotary encoder (S601 JOG) (A phase input) LED SCK Serial data transfer clock signal output to the LED driver (IC604) LED LAT...
  • Page 49 Pin No. Pin Name Description — Power supply terminal (+5V) System clock input terminal (12.5 MHz) — Ground terminal XOUT System clock output terminal (12.5 MHz) System reset signal input from the reset signal generator (IC502) “L”: reset RESET For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H” Not used (open) BUSY Not used (fixed at “L”)

  • Page 50: 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 are seldom required for routine service. Some may have some difference from the original ! are critical for safety.
  • Page 51 4-951-620-01 SCREW (2.6X8), +BVTP X-4951-600-1 PANEL ASSY, FRONT (RXD80) 4-214-385-11 KNOB (MIC) (SILVER) 4-930-336-61 FOOT (FELT) 4-214-385-51 KNOB (MIC) (GRAY) 4-962-708-71 EMBLEM (4-A), SONY * 62 A-4417-808-A PANEL BOARD, COMPLETE (GRX70/RXD80) 4-214-775-11 SPRING, PUSH CATCHER RETURN A-4419-985-A PANEL BOARD, COMPLETE (GRX70J: E3)
  • Page 52 (3) CHASSIS SECTION CDM38LH-5BD32L RXD80 not supplied RXD80 GRX70/ GRX70J M501 T951 E2, E3, TH, MX not supplied EA3, SP, EA3, SP, TW, AR – 74 –...
  • Page 53 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-965-822-01 FOOT * 108 4-219-987-31 PANEL, BACK (GRX70: TW) * 102 1-672-369-11 TRANS BOARD * 108 4-219-987-41 PANEL, BACK (GRX70: AUS) * 103 3-703-244-00 BUSHING (2104), CORD (GRX70: SP, TW, 1-769-977-11 WIRE (FLAT TYPE) (13 CORE) AUS/GRX70J: EA3/RXD80) (GRX70: E2, TH, MX, AR, AUS/ RXD80)
  • Page 54 (4) CD MECHANISM DECK SECITON-1 (CDM38LH-5BD32L) M701 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-981-789-11 BRACKET (2), YOKE 4-977-941-01 BEARING (WORM) 4-977-945-01 TRAY (TURN) * 209 1-658-576-11 SENSOR BOARD X-4946-665-1 SHAFT ASSY, WORM 4-934-376-01 SHAFT (ROLLER) 4-977-943-01 BELT (TURN) (1.2) 4-981-187-01 COLLAR (WORM) 4-977-956-01 WHEEL, WORM...

  • Page 55: Ref. No

    (5) CD MECHANISM DECK SECITON-2 (CDM38LH-5BD32L) supplied M801 BU-5BD32L S811 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-981-789-11 BRACKET (2), YOKE * 262 1-658-578-11 MOTOR (SLIDE) BOARD 4-977-954-01 PULLEY (SL) 4-982-447-01 SPRING (BU), COMPRESSION 4-977-953-01 GEAR (SL-A) 4-951-620-41 SCREW (2.6), +BVTP 4-977-955-01 GEAR (SL-B) X-4949-570-1 HOLDER (BU) ASSY...
  • Page 56 (6) BASE UNIT SECTION (BU-5BD32L) 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 57 (7) TAPE MECHANISM DECK SECTION-1 (TCM-230AWR2) HP101 HRPE101 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT * 409 A-2007-731-A AUDIO BOARD, COMPLETE 3-036-914-01 RIVET 3-032-809-02 SPRING (L), TORSION 3-016-574-11 SPRING (HEAD), TENSION 3-016-572-01 LEVER (EJECT PREVENTION L) X-3374-156-4 PINCH LEVER (REV) ASSY 3-032-810-02 SPRING (R), TORSION...
  • Page 58 (8) TAPE MECHANISM DECK SECTION-2 (TCM-230AWR2) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 451 X-3374-214-3 CHASSIS ASSY, MAIN A-2004-629-A MECHANICAL BLOCK ASSY 3-016-570-01 BELT (CAPSTAN) 3-016-566-01 SLIDER, REVERSE 3-016-569-01 BELT (TENSION) * 461 A-2007-732-A LEAF SW BOARD, COMPLETE 3-017-360-01 BRACKET (MOTOR) 3-016-575-11 SPRING, TORSION X-3376-497-1 FLYWHEEL (FWD) ASSY...

  • Page 59: Electrical Parts List

    SECTION 9 AUDIO ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they 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 60 AUDIO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R602 1-249-409-11 CARBON 1/4W C143 1-163-038-00 CERAMIC CHIP 0.1uF R608 1-249-409-11 CARBON 1/4W C151 1-163-235-11 CERAMIC CHIP 22PF R609 1-249-433-11 CARBON 1/4W C153 1-163-038-00 CERAMIC CHIP 0.1uF R611 1-249-409-11 CARBON 1/4W...
  • Page 61 CD SW CONNECTOR LEAF SW Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R148 1-216-001-00 METAL CHIP 1/10W S757 1-762-875-21 SWITCH, KEYBOARD (§) R149 1-216-001-00 METAL CHIP 1/10W ************************************************************ R158 1-216-111-00 METAL CHIP 390K 1/10W 1-658-575-11 CONNECTOR BOARD R159 1-216-101-00 METAL CHIP 150K...
  • Page 62 LEAF SW MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > C175 1-126-964-11 ELECT 10uF S1001 1-570-953-11 SWITCH, PUSH (1 KEY) (DECK A PLAY) C176 1-136-495-11 FILM 0.068uF S1002 1-570-953-11 SWITCH, PUSH (1 KEY) (DECK B PLAY) C177 1-136-153-00 FILM 0.01uF...
  • Page 63 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C662 1-162-306-11 CERAMIC 0.01uF C913 1-126-964-11 ELECT 10uF C664 1-104-665-11 ELECT 100uF C914 1-126-767-11 ELECT 1000uF C698 1-162-306-11 CERAMIC 0.01uF C915 1-104-664-11 ELECT 47uF C699 1-104-665-11 ELECT 100uF C916 1-162-306-11 CERAMIC...
  • Page 64 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D905 8-719-933-36 DIODE HZS6B1L Q340 8-729-116-59 TRANSISTOR 2SB1068TP D906 8-719-911-19 DIODE 1SS119 Q341 8-729-045-21 TRANSISTOR 2SD1513TP-LK D907 8-719-024-99 DIODE 11ES2-NTA2B Q342 8-729-422-57 TRANSISTOR UN4111 D908 8-719-024-99 DIODE 11ES2-NTA2B Q343 8-729-900-80 TRANSISTOR DTC114ES D909...
  • Page 65 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R125 1-247-843-11 CARBON 3.3K 1/4W R328 1-249-437-11 CARBON 1/4W R126 1-249-421-11 CARBON 2.2K 1/4W R329 1-249-417-11 CARBON 1/4W R130 1-249-433-11 CARBON 1/4W R131 1-247-807-31 CARBON 1/4W R330 1-249-425-11 CARBON 4.7K 1/4W...
  • Page 66 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R474 1-249-417-11 CARBON 1/4W R656 1-247-807-31 CARBON 1/4W R657 1-247-807-31 CARBON 1/4W R481 1-260-089-11 CARBON 1/2W R658 1-249-417-11 CARBON 1/4W R482 1-260-089-11 CARBON 1/2W R483 1-260-089-11 CARBON 1/2W R659 1-247-807-31 CARBON...

  • Page 67: Motor (Turn) Board

    MAIN MOTOR (SLIDE) MOTOR (TURN) PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D804 8-719-911-19 DIODE 1SS119 R857 1-249-441-11 CARBON 100K 1/4W D805 8-719-911-19 DIODE 1SS119 ! R858 1-220-893-11 METAL 0.22 R859 1-260-076-11 CARBON 1/2W <...

  • Page 68: Ref. No

    PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C618 1-126-157-11 ELECT 10uF C733 1-162-294-31 CERAMIC 0.001uF C619 1-126-157-11 ELECT 10uF C734 1-162-215-31 CERAMIC 47PF C620 1-126-163-11 ELECT 4.7uF C735 1-124-261-00 ELECT 10uF C625 1-126-157-11 ELECT 10uF C736 1-162-290-31 CERAMIC...

  • Page 69: Description Remark

    PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JACK > R633 1-249-427-11 CARBON 6.8K 1/4W R634 1-249-429-11 CARBON 1/4W J701 1-785-569-11 JACK (SMALL TYPE) (PHONES) J711 1-785-569-11 JACK (SMALL TYPE) (MIX MIC) R635 1-249-431-11 CARBON 1/4W R636 1-249-429-11 CARBON...

  • Page 70: Sensor Board

    PANEL SENSOR SUB TRANS Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R703 1-249-429-11 CARBON 1/4W S622 1-762-875-21 SWITCH, KEYBOARD R704 1-249-429-11 CARBON 1/4W (REPEAT STEREO/MONO) R705 1-249-429-11 CARBON 1/4W S623 1-762-875-21 SWITCH, KEYBOARD R710 1-249-401-11 CARBON 1/4W (PLAY MODE, DOLBY NR) (GRX70J: EA3)
  • Page 71 SUB TRANS TRANS Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < CONNECTOR > < CAPACITOR > CN11 1-564-321-00 PIN, CONNECTOR 2P ! C952 1-162-306-11 CERAMIC 0.01uF * CN12 1-564-321-21 PIN, CONNECTOR 2P (GRX70J) CN13 1-785-333-11 PIN, CONNECTOR (LIGHT ANGLE) 7P C971 1-128-563-11 ELECT 100uF...
  • Page 72 HCD-GRX70/GRX70J/RXD80 TRANS Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > ************** HARDWARE LIST 1-771-291-11 SWITCH, POWER (VOLTAGE SELECTOR) !S951 ************** (GRX70: E2, E3, SP, TW, AR/GRX70J) 7-685-872-09 SCREW +BVTT 3X8 (S) < TRANSFORMER >...

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