Sony HCD-GRX8 User Manual

Sony Corporation
Home A&V Products Company
MHC-GRX8/R800/RX88/RX99
HCR-GRX8/R800/RX99
SERVICE MANUAL
MICROFILM
9-922-784-11
98B001671-1
Printed in Japan ©1998.2
Published by General Engineering Dept.
(Shibaura)
• MHC-GRX8/R800/RX88/RX99 is composed of following
models.
As for the service manual, it is issued for each component
model, then, please refer to it.
AEP Model
UK Model
MHC-RX88/RX99
E Model
MHC-GRX8/R800
Australian Model
MHC-GRX8
PARTS LIST
Ref.No. Part No. Description Remark
–––––– ––––––– ––––––––– ––––––
ACCESSORIES & PACKING MATERIALS
********************************
1-475-571-11 COMMANDER, STANDARD (RM-SR8)
1-501-374-11 ANTENNA, LOOP
1-501-659-41 ANTENNA (FM) (GRX8/R800)
1-501-804-11 ANTENNA (FM) (RX88/RX99)
1-769-317-11 CORD, SPEAKER (2.5m) (FRONT SPEAKER)
1-769-433-11 CORD, SPEAKER(10m) (SURROUND SPEAKER)
3-862-011-11 MANUAL, INSTRUCTION (ENGLISH)
(EXCEPT G, TH)
3-862-011-21 MANUAL, INSTRUCTION (FRENCH, SPANISH)
(AEP, E, SP, MY, MX, AR, EA3)
3-862-011-31 MANUAL, INSTRUCTION (CHINESE)
(E, SP, MY, HK, TW)
3-862-011-41 MANUAL, INSTRUCTION (ARABIC) (EA3)
3-862-011-51 MANUAL, INSTRUCTION (GERMAN) (AEP, G)
MINI Hi-Fi COMPONENT SYSTEM
SPECIFICATIONS
• Abbreviation
G : German model
EE : East European model
SP : Singapore model
MY : Malaysia model
MX : Mexican model
AR : Argentine model
EA3 : Saudi Arabia model
HK : Hong kong model
TW : Taiwan model
TH : Thai model
HCR-GRX8 is composed of HCD-GRX8 and SS-SR110
HCR-R800 is composed of HCD-R800 and SS-SR110
HCD-RX99 is composed of HCD-RX99 and SS-SR110
COMPONENT MODEL NAME FOR MHC-GRX8/R800/RX88/RX99
MHC-GRX8 MHC-R800 MHC-RX88 MHC-RX99
COMPACT DISC DECK
RECEIVER SYSTEM
HCD-GRX8 HCD-R800 HCD-RX88 HCD-RX99
FRONT SPEAKER SYSTEM SS-GRX8 SS-R800 SS-RX88 SS-RX99
SURROUND SPEAKER SYSTEM SS-SR110 SS-SR110
General
Power requirements
European models: 230 V AC, 50/60 Hz
Other models: 120 V, 220 V or 230 - 240 V AC, 50/60 Hz.
Adjustable with the voltage selector
Power consumption
MHC-GRX8/R800: 270 watts
MHC-RX88/RX99: 240 watts
Supplied accessories
AM loop antenna (1)
Remote RM-SR8
Batteries (2)
FM lead antenna (1)
Speaker cords (4)
Front speaker pads (8)
Design and specifications are subject to change without notice.
3-862-011-61 MANUAL, INSTRUCTION
(DUTCH, ITALIAN, PORTUGUESE) (AEP)
3-862-011-71 MANUAL, INSTRUCTION
(DANISH, FINNISH, SWEDISH) (AEP)
3-862-011-81 MANUAL, INSTRUCTION (POLISH, RUSSIAN)
(AEP, EE, CIS)
3-862-012-11 MANUAL, INSTRUCTION (HUNGARIAN)
(AEP,EE,CIS)
3-862-012-21 MANUAL, INSTRUCTION (CZECH) (AEP)
3-862-012-31 MANUAL, INSTRUCTION (GREEK) (AEP)
3-862-012-41 MANUAL, INSTRUCTION (TURKISH) (AEP)
3-862-015-31 MANUAL, INSTRUCTION (ENGLISH, THAI) (TH)
3-862-818-11 MANUAL, INSTRUCTION (ENGLISH, FRENCH,
GERMAN, SWEDISH, RUSSIAN)
(For SS-RX88/RX99)
4-991-151-21 COVER, BATTERY (FOR RM-SR8)
Ref.No. Part No. Description Remark
–––––– ––––––– ––––––––– ––––––
www.DataSheet4U.com

Sony HCD-GRX8 Specifications

General

Brand	Sony
Model	HCD-GRX8
Category	Stereo System
Language	English

Summary

SERVICE MANUAL

SPECIFICATIONS

Details technical specifications of the system.

General

General power requirements and consumption.

Supplied accessories

Lists items included with the system.

PARTS LIST

SAFETY-RELATED COMPONENT WARNING !!

Notes on chip component replacement

Guidelines for replacing surface-mount components.

Flexible Circuit Board Repairing

Techniques for repairing flexible circuit boards.

NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT

NOTES ON LASER DIODE EMISSION CHECK

LASER DIODE AND FOCUS SEARCH OPERATION CHECK

SERVICING NOTE

HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF

Procedure to access the disc tray with power off.

Note for Installation (ROTARY ENCODER)

Guidance for installing the rotary encoder.

GENERAL

Front Panel

Identification of front panel controls and indicators.

LOCATION OF PARTS AND CONTROLS

Detailed listing and description of all controls and parts.

DISASSEMBLY

3-1. LOADING PANEL

Steps for disassembling the loading panel.

3-2. FRONT PANEL

Steps for disassembling the front panel.

3-3. CASSETTE MECHANISM DECK

Steps for disassembling the cassette mechanism.

3-4. PANEL BOARD AND CONT COM BOARD

Steps for disassembling panel and control boards.

3-5. DISC TRAY

Steps for disassembling the disc tray.

SERVICE MODE

MC Cold Reset

Procedure for cold reset of the system.

CD Delivery Mode

Mode to move CD pick-up for shipping.

MC Hot Reset

Procedure for hot reset of the system.

Sled Servo Mode

Mode to run CD sled motor freely.

Change-over of AM Tuner Step between 9kHz and 10kHz

Adjusting AM tuner step frequency.

LED and Fluorescent Indicator Tube All Lit, Key Check Mode

Mode to check all LEDs and indicator tube.

Aging Mode

Mode for checking CD player and tape deck operations.

MECHANICAL ADJUSTMENTS

Torque Measurement

Table listing torque specifications for various parts.

Record/Playback Head Azimuth Adjustment (Deck A, Deck B)

Procedure to adjust head azimuth for playback.

Tape Speed Adjustment (Deck A)

Procedure to adjust tape speed for deck A.

Playback Level Adjustment (Deck A, Deck B)

Procedure to adjust playback level for both decks.

Record Bias Adjustment (Deck B)

Procedure to adjust record bias for deck B.

Record Level Adjustment (Deck B)

Procedure to adjust record level for deck B.

TUNER SECTION

AM Tuned Level Adjustment

Procedure to adjust AM tuner sensitivity.

FM Tuned Level Adjustment

Procedure to adjust FM tuner sensitivity.

FM Polar Adjustment (East European, CIS model only)

Adjustment for FM polar characteristics.

CD SECTION

S Curve Check

Procedure to check CD S-curve waveform.

RF Level Check

Procedure to check RF signal level.

E-F Balance (Traverse) Check

Procedure to check E-F balance.

BLOCK DIAGRAMS – TUNER SECTION –

(AEP, UK, German model)

Specifies tuner block diagram for specific models.

TUNER SECTION – (East European, CIS model)

CD SECTION –

DECK SECTION –

MAIN SECTION –

POWER SECTION –

DISPLAY SECTION –

PRINTED WIRING BOARD — CD SECTION —

SCHEMATIC DIAGRAM – TUNER SECTION – (AEP, UK, German model)

PRINTED WIRING BOARD – TUNER SECTION – (AEP, UK, German model)

PRINTED WIRING BOARD – TUNER SECTION – (East European, CIS model)

SCHEMATIC DIAGRAM – TUNER SECTION – (East European, CIS model)

SCHEMATIC DIAGRAM – DECK SECTION –

PRINTED WIRING BOARD – DECK SECTION –

PRINTED WIRING BOARD – MAIN SECTION –

SCHEMATIC DIAGRAM – MAIN (1/4) SECTION –

SCHEMATIC DIAGRAM – MAIN (2/4) SECTION –

SCHEMATIC DIAGRAM – MAIN (3/4) SECTION –

SCHEMATIC DIAGRAM – MAIN (4/4) SECTION –

SCHEMATIC DIAGRAM – MIC/HP SECTION –

PRINTED WIRING BOARD – MIC/HP SECTION –

Printed wiring board layout for microphone/headphone section.

PRINTED WIRING BOARD – POWER SECTION –

SCHEMATIC DIAGRAM – POWER SECTION –

SCHEMATIC DIAGRAM – TRANSFORMER SECTION –

PRINTED WIRING BOARD – TRANSFORMER SECTION –

PRINTED WIRING BOARD – LEAF SW SECTION –

Printed wiring board layout for leaf switch section.

SCHEMATIC DIAGRAM – LEAF SW SECTION –

Schematic diagram of the leaf switch section.

PRINTED WIRING BOARD – DISPLAY SECTION –

SCHEMATIC DIAGRAM – DISPLAY SECTION –

SCHEMATIC DIAGRAM – PANEL SECTION –

PRINTED WIRING BOARD – PANEL SECTION –

SCHEMATIC DIAGRAM – CD MOTOR SECTION –

PRINTED WIRING BOARD – CD MOTOR SECTION –

IC BLOCK DIAGRAMS

Tuner Section ICs

Block diagrams for tuner section integrated circuits.

IC101 CXA1992AR

Block diagram and pin functions for IC101.

IC102 BA5941FP

Block diagram and pin functions for IC102.

IC103 CXD2519Q

Block diagram and pin functions for IC103.

CD and Deck Section ICs

Block diagrams for CD and Deck section integrated circuits.

IC PIN FUNCTIONS

IC101 FOCUS/TRACKING/SLED SERVO RF AMP (CXA1992AR)

Pin functions for IC101.

IC103 DIGITAL SIGNAL PROCESSOR (CXD2519Q)

Pin functions for IC103.

IC801 PANEL CONTROL (TMP87CH48DF)

EXPLODED VIEWS

8-1. CASE SECTION

Exploded view of the case section.

8-4. CD MECHANISM DECK SECTION-1

Exploded view of CD mechanism deck section 1.

8-5. CD MECHANISM DECK SECTION-2

Exploded view of CD mechanism deck section 2.

8-6. BASE UNIT SECTION (BU-5BD29AL)

Exploded view of the base unit section.

8-7. TC MECHANISM SECTION 1

Exploded view of TC mechanism section 1.

8-8. TC MECHANISM SECTION 2

Exploded view of TC mechanism section 2.

ELECTRICAL PARTS LIST AUDIO

< CAPACITOR >

List of capacitors.

< CONNECTOR >

List of connectors.

< IC >

List of integrated circuits.

< JUMPER RESISTOR >

List of jumper resistors.

< RESISTOR >

List of resistors.

< SWITCH >

List of switches.

< VARIABLE RESISTOR >

List of variable resistors.

< DIODE >

List of diodes.

< TRANSISTOR >

List of transistors.

< CAPACITOR >

List of capacitors for DECO/HP/LEAF SW/MAIN.

< CONNECTOR >

List of connectors for DECO/HP/LEAF SW/MAIN.

< DIODE >

List of diodes for DECO/HP/LEAF SW/MAIN.

< JUMPER RESISTOR >

List of jumper resistors for DECO/HP/LEAF SW/MAIN.

< RESISTOR >

List of resistors for MAIN.

< VARIABLE RESISTOR >

List of variable resistors for MAIN.

< SWITCH >

List of switches for MAIN.

< VIBRATOR >

List of vibrators.

< CAPACITOR >

List of capacitors for POWER.

< CONNECTOR >

List of connectors for POWER.

< DIODE >

List of diodes for POWER.

< TRANSISTOR >

List of transistors for POWER.