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Sony HCD-GZR7D - Service Manual

Sony HCD-GZR7D
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SERVICE MANUAL
Sony Corporation
Audio Business Group
Published by Sony Techno Create Corporation
HCD-GZR7D/GZR8D/
GZR9D
DVD DECK RECEIVER
9-889-156-01
2008E04-1
©
2008.05
E Model
HCD-GZR7D/GZR8D/GZR9D
Australian Model
HCD-GZR9D
Ver. 1.0 2008.05
HCD-GZR7D/GZR8D/GZR9D are the
tuner, deck, DVD and ampli er section
in MHC-GZR7D/GZR8D/GZR9D.
Photo: HCD-GZR8D
DVD
Section
Model Name Using Similar Mechanism HCD-GNZ777D/GNZ888D
DVD Mechanism Type CDM74HF-DVBU101//C
Optical Pick-up Name KHM-313CAB/C2RP
Tape Deck
Section
Model Name Using Similar Machanism HCD-GNZ777D/GNZ888D
SPECIFICATIONS
Ampli er Section
The following measured at AC 120, 220, 240 V, 50/60 Hz
MHC-GZR9D
Power output (rated): 100 W + 100 W (6 Ω at 1 kHz, 1% THD)
RMS output power (reference)
Front speaker: 180 W + 180 W (per channel at 6 Ω, 1 kHz,
10% THD)
Center speaker: 60 W (6 Ω at 1 kHz, 10% THD)
Surround speaker: 60 W + 60 W (per channel at 6 Ω, 1 kHz,
10% THD)
Subwoofer: 180 W (6 Ω at 80 Hz, 10% THD)
MHC-GZR8D
Power output (rated): 100 W + 100 W (6 Ω at 1 kHz, 1% THD)
RMS output power (reference)
Front speaker: 180 W + 180 W (per channel at 6 Ω, 1 kHz,
10% THD)
Center speaker: 60 W (6 Ω at 1 kHz, 10% THD)
Surround speaker: 60 W + 60 W (per channel at 6 Ω, 1 kHz,
10% THD)
MHC-GZR7D
Power output (rated): 100 W + 100 W (6 Ω at 1 kHz, 1% THD)
RMS output power (reference):
180 W+ 180 W (per channel at 6 Ω, 1 kHz,
10% THD)
Inputs
VIDEO/SAT VIDEO IN (phono jack):
1 Vp-p, 75 ohms
VIDEO/SAT AUDIO IN L/R (phono jacks):
voltage 250/450 mV, impedance 47 kilohms
MIC 1/MIC 2 (phone jacks):
sensitivity 1 mV, impedance 10 kilohms
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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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Do you have a question about the Sony HCD-GZR7D and is the answer not in the manual?

Summary

Amplifier Section

MHC-GZR9 D Power Output

Details power output ratings for MHC-GZR9D model.

MHC-GZR8 D Power Output

Details power output ratings for MHC-GZR8D model.

MHC-GZR7 D Power Output

Details power output ratings for MHC-GZR7D model.

Specifications

Input Specifications

Lists input signal types, voltage, and impedance levels.

Servicing Notes

Electrostatic Prevention for OP Section

Procedure for electrostatic prevention when handling the OP section.

DVD Mechanism Deck Service Position

Visual guide for the correct service position of the DVD mechanism deck.

General Information

Parts and Controls Overview

Identifies main controls and parts of the unit and remote.

Disassembly Procedures

Case and Loading Panel Disassembly

Steps for removing the main case and the loading panel.

Front Panel and DVD Block Disassembly

Procedures for disassembling the front panel and DVD block.

Test Modes

Cold Reset Procedure

Resets system data to factory defaults.

Common Test Mode Operations

Checks audio levels and VACS status.

Amplifier Test Mode Operations

Verifies VACS levels and amplifier adjustments.

Adjustments

Mechanical Adjustments and Precautions

Guidelines for cleaning, demagnetizing, and tool usage.

Torque Measurement Specifications

Specifies torque values for mechanical parts like motor tension.

Electrical Adjustments

IOP Measurement Procedure

Procedure to execute IOP measurement after optical pick-up replacement.

RFMON Level Check

Procedure to check RFMON signal waveform clarity.

FM Tune Level Check

Procedure for checking FM tuning using a signal generator.

Diagrams and Schematics

Circuit Board Locations

Diagram showing the placement of various circuit boards.

Block Diagram - RF;Servo Section

Illustrates signal flow for RF and servo systems.

Block Diagram - Video Section

Shows signal paths for video processing, input, and output.

Block Diagram - Main Section

Comprehensive diagram of main control and signal processing units.

Block Diagram - Audio Section

Illustrates audio signal processing, amplification, and speaker output.

Block Diagram - Display;Power Section

Shows signal flow for display control and power management.

Printed Wiring Board - Driver Section

Layout of the driver board's printed wiring.

Schematic Diagram - DMB18 Section

Detailed circuit schematic for the DMB18 board.

Exploded Views

Overall Unit Exploded View

Exploded diagram of the entire unit for parts identification.

Front Panel Exploded Views

Exploded diagrams showing components of the front panel sections.

Back Panel Exploded View

Exploded view detailing components mounted on the back panel.

DVD Mechanism Deck Exploded Views

Exploded diagrams illustrating DVD mechanism deck assembly parts.

Electrical Parts List

AMP FR & SW Board Components

List of electrical components for the AMP FR & SW board.

DMB18 Board Components

Comprehensive list of components for the DMB18 circuit board.

Transistor Component List

Detailed listing of transistors with part numbers and descriptions.

Capacitor Component List

Catalog of capacitors including part numbers, values, and ratings.

Diode Component List

Enumeration of diodes with their part numbers and board locations.

IC Component List

Comprehensive list of integrated circuits and their corresponding part numbers.

Summary

Amplifier Section

MHC-GZR9 D Power Output

Details power output ratings for MHC-GZR9D model.

MHC-GZR8 D Power Output

Details power output ratings for MHC-GZR8D model.

MHC-GZR7 D Power Output

Details power output ratings for MHC-GZR7D model.

Specifications

Input Specifications

Lists input signal types, voltage, and impedance levels.

Servicing Notes

Electrostatic Prevention for OP Section

Procedure for electrostatic prevention when handling the OP section.

DVD Mechanism Deck Service Position

Visual guide for the correct service position of the DVD mechanism deck.

General Information

Parts and Controls Overview

Identifies main controls and parts of the unit and remote.

Disassembly Procedures

Case and Loading Panel Disassembly

Steps for removing the main case and the loading panel.

Front Panel and DVD Block Disassembly

Procedures for disassembling the front panel and DVD block.

Test Modes

Cold Reset Procedure

Resets system data to factory defaults.

Common Test Mode Operations

Checks audio levels and VACS status.

Amplifier Test Mode Operations

Verifies VACS levels and amplifier adjustments.

Adjustments

Mechanical Adjustments and Precautions

Guidelines for cleaning, demagnetizing, and tool usage.

Torque Measurement Specifications

Specifies torque values for mechanical parts like motor tension.

Electrical Adjustments

IOP Measurement Procedure

Procedure to execute IOP measurement after optical pick-up replacement.

RFMON Level Check

Procedure to check RFMON signal waveform clarity.

FM Tune Level Check

Procedure for checking FM tuning using a signal generator.

Diagrams and Schematics

Circuit Board Locations

Diagram showing the placement of various circuit boards.

Block Diagram - RF;Servo Section

Illustrates signal flow for RF and servo systems.

Block Diagram - Video Section

Shows signal paths for video processing, input, and output.

Block Diagram - Main Section

Comprehensive diagram of main control and signal processing units.

Block Diagram - Audio Section

Illustrates audio signal processing, amplification, and speaker output.

Block Diagram - Display;Power Section

Shows signal flow for display control and power management.

Printed Wiring Board - Driver Section

Layout of the driver board's printed wiring.

Schematic Diagram - DMB18 Section

Detailed circuit schematic for the DMB18 board.

Exploded Views

Overall Unit Exploded View

Exploded diagram of the entire unit for parts identification.

Front Panel Exploded Views

Exploded diagrams showing components of the front panel sections.

Back Panel Exploded View

Exploded view detailing components mounted on the back panel.

DVD Mechanism Deck Exploded Views

Exploded diagrams illustrating DVD mechanism deck assembly parts.

Electrical Parts List

AMP FR & SW Board Components

List of electrical components for the AMP FR & SW board.

DMB18 Board Components

Comprehensive list of components for the DMB18 circuit board.

Transistor Component List

Detailed listing of transistors with part numbers and descriptions.

Capacitor Component List

Catalog of capacitors including part numbers, values, and ratings.

Diode Component List

Enumeration of diodes with their part numbers and board locations.

IC Component List

Comprehensive list of integrated circuits and their corresponding part numbers.

Sony HCD-GZR7D Specifications

General IconGeneral
TypeMini Hi-Fi System
Number of Discs1
Audio Output ModeStereo
Cassette DeckYes
CD PlayerYes
Speaker Output2 speakers
FunctionsCD Player, Cassette Deck, Radio
Audio Output Power100W
Tuner BandsAM/FM
Speaker Power Output50W

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