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Sony HCD-GN660 - User Manual

Sony HCD-GN660
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HCD-GN660/GN770/
GX9000
US Model
HCD-GX9000
E Model
HCD-GN660/GN770
Australian Model
HCD-GN770
SERVICE MANUAL
MiNi Hi-Fi COMPONENT SYSTEM
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-877-800-01
2004D02-1
© 2004.04
SPECIFICATIONS
Ver 1.0 2004. 04
– Continued on next page –
• HCD-GN660/GN770/GX9000 are the
Amplifier, CD player, tape deck and tuner
section in MHC-GN660/GN770/GX9000.
Model Name Using Similar Mechanism HCD-GX450
CD CD Mechanism Type CDM74-F1BD81
Section Base Unit Name BU-F1BD81A
Optical Pick-up Name KSM-215DCP/C2NP
TAPE Model Name Using Similar Mechanism NEW
Section Tape Transport Mechanism Type CWM43RR35
AUDIO POWER SPECIFICATION
(MHC-GX9000 USA model only)
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6-ohm loads, both channels driven, from 120 Hz – 10 kHz;
rates 225 watts per channel minimum RMS power, with no more
than 10% total harmonic distortion from 250 miliwatts to rated
output.
Amplifier section
MHC-GX9000
Total harmonic distortion Less than 0.1%
(6 ohms at 1 kHz, 100 W)
MHC-GN770
The following are measured at
Mexican model: AC 127 V, 60 Hz
Other models: AC 120, 220, 240 V, 50/60 Hz
DIN power output (rated) 170 + 170 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
220 + 220 watts
(6 ohms at 1 kHz, 10% THD)
MHC-GN660
The following are measured at
Mexican model: AC 127 V, 60 Hz
Other models: AC 120, 220, 240 V, 50/60 Hz
Photo : GN770
DIN power output (rated) 150 + 150 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
190 + 190 watts
(6 ohms at 1 kHz, 10% THD)
Inputs
VIDEO/MD (AUDIO) IN (phono jacks):
voltage 250/450 mV, impedance 47
kiloohms
GAME (VIDEO) IN (phono jack):
1 Vp-p, 75 ohms
GAME (AUDIO) IN (phono jack):
voltage 250 mV, impedance 47 kiloohms
MIC (phone jack):
sensitivity 1 mV, impedance 10 kiloohms
Outputs
VIDEO OUT (phono jack): max. output level
1 Vp-p, unbalanced, Sync negative,
load impedance 75 ohms
PHONES (stereo mini jack):
accepts headphones of 8 ohms or more
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Table of Contents

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Summary

SERVICE MANUAL

AUDIO POWER SPECIFICATION

Amplifier section

GENERAL

SAFETY CHECK-OUT

Procedure for performing safety checks after repair, including AC leakage.

DISASSEMBLY

DISASSEMBLY FLOW

TEST MODE

[GC TEST MODE]

Mode for checking fluorescent tube, LEDs, model, version, volume, etc.

[COLD RESET]

Clears all data including preset data in RAM to initial conditions.

SERVICING NOTES

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

Precautions for handling the optical pick-up block to prevent electrostatic breakdown.

[VACS ON;OFF]

[CD SERVICE MODE]

Allows free movement of the CD sled motor for pick-up cleaning.

[AGING MODE]

For operation check of the CD section, including error handling.

[CD Error Code Mode]

[CD SHIP MODE (WITH MEMORY CLEAR)]

Moves optical pick-up to durable position and clears RAM data.

MECHANICAL ADJUSTMENTS

Torque Measurement

ELECTRICAL ADJUSTMENTS

RECORD;PLAYBACK HEAD AZIMUTH ADJUST-MENT

Procedure for adjusting the azimuth of playback heads on both decks.

CD SECTION Adjustment

RFAC Level Check

E-F Balance Check

7-2. BLOCK DIAGRAM - CD SECTION

7-3. BLOCK DIAGRAM - TUNER;TAPE SECTION

7-4. BLOCK DIAGRAM - MAIN SECTION

7-5. BLOCK DIAGRAM - DISPLAY;POWER SECTION

7-11. SCHEMATIC DIAGRAM - MAIN BOARD (1;3)

7-12. SCHEMATIC DIAGRAM - MAIN BOARD (2;3)

7-13. SCHEMATIC DIAGRAM - MAIN BOARD (3;3)

7-26. IC Pin Function Descriptions

IC101 CXD3059 AR (RF AMP) (BD BOARD)

IC401 M3062 CMEN-A03 FPUO SYSTEM CONTOL (MAIN Board)

IC901 MB90 M407 PF-G-139-BNDE1 DISPLAY CONTROL (PANEL Board)

EXPLODED VIEWS

8-1. CASE, REAR PANEL SECTION

8-2. FRONT PANEL SECTION

8-3. CHASSIS SECTION

8-4. CD MECHANISM DECK SECTION-1 (CDM74-F1 BD81)

8-5. CD MECHANISM DECK SECTION-2 (CDM74-F1 BD81)

Summary

SERVICE MANUAL

AUDIO POWER SPECIFICATION

Amplifier section

GENERAL

SAFETY CHECK-OUT

Procedure for performing safety checks after repair, including AC leakage.

DISASSEMBLY

DISASSEMBLY FLOW

TEST MODE

[GC TEST MODE]

Mode for checking fluorescent tube, LEDs, model, version, volume, etc.

[COLD RESET]

Clears all data including preset data in RAM to initial conditions.

SERVICING NOTES

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

Precautions for handling the optical pick-up block to prevent electrostatic breakdown.

[VACS ON;OFF]

[CD SERVICE MODE]

Allows free movement of the CD sled motor for pick-up cleaning.

[AGING MODE]

For operation check of the CD section, including error handling.

[CD Error Code Mode]

[CD SHIP MODE (WITH MEMORY CLEAR)]

Moves optical pick-up to durable position and clears RAM data.

MECHANICAL ADJUSTMENTS

Torque Measurement

ELECTRICAL ADJUSTMENTS

RECORD;PLAYBACK HEAD AZIMUTH ADJUST-MENT

Procedure for adjusting the azimuth of playback heads on both decks.

CD SECTION Adjustment

RFAC Level Check

E-F Balance Check

7-2. BLOCK DIAGRAM - CD SECTION

7-3. BLOCK DIAGRAM - TUNER;TAPE SECTION

7-4. BLOCK DIAGRAM - MAIN SECTION

7-5. BLOCK DIAGRAM - DISPLAY;POWER SECTION

7-11. SCHEMATIC DIAGRAM - MAIN BOARD (1;3)

7-12. SCHEMATIC DIAGRAM - MAIN BOARD (2;3)

7-13. SCHEMATIC DIAGRAM - MAIN BOARD (3;3)

7-26. IC Pin Function Descriptions

IC101 CXD3059 AR (RF AMP) (BD BOARD)

IC401 M3062 CMEN-A03 FPUO SYSTEM CONTOL (MAIN Board)

IC901 MB90 M407 PF-G-139-BNDE1 DISPLAY CONTROL (PANEL Board)

EXPLODED VIEWS

8-1. CASE, REAR PANEL SECTION

8-2. FRONT PANEL SECTION

8-3. CHASSIS SECTION

8-4. CD MECHANISM DECK SECTION-1 (CDM74-F1 BD81)

8-5. CD MECHANISM DECK SECTION-2 (CDM74-F1 BD81)

Sony HCD-GN660 Specifications

General IconGeneral
BrandSony
ModelHCD-GN660
CategoryStereo System
LanguageEnglish

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