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Sony HCD-GNZ7D Service Manual

Sony HCD-GNZ7D
108 pages
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1
Ver. 1.1 2005. 12
Model Name Using Similar Mechanism NEW
DVD
DVD Mechanism Type CDM74HF-DVBU101//C
Section
Optical Pick-up Name KHM-310CAB/C2NP
Tape Deck
Model Name Using Similar Machanism NEW
Section
SERVICE MANUAL
E Model
HCD-GNZ7D/GNZ8D/GNZ9D
Australian Model
HCD-GNZ9D
HCD-GNZ7D/GNZ8D/GNZ9D
Amplifier section
HCD-GNZ9D
The following measured at AC 120, 127, 220, 230 – 240 V,
50/60 Hz
Continuous RMS power output (reference)
Front speaker: 115 + 115 watts
(6 ohms at 1 kHz, 10%
THD)
Center speaker: 50 watts (6 ohms at 1 kHz,
10% THD)
Surround speaker: 50 + 50 watts
(6 ohms at 1 kHz, 10%
THD)
Subwoofer: 170 watts (4 ohms at
100 Hz, 10% THD)
HCD-GNZ8D
The following measured at AC 120, 127, 220, 230 – 240 V,
50/60 Hz
Continuous RMS power output (reference)
Front speaker: 100 + 100 watts
(6 ohms at 1 kHz, 10%
THD)
Center speaker: 40 watts (6 ohms at 1 kHz,
10% THD)
Surround speaker: 40 + 40 watts
(6 ohms at 1 kHz, 10%
THD)
HCD-GNZ7D
The following measured at AC 120, 127, 220, 230 – 240 V,
50/60 Hz
Continuous RMS power output (reference)
100 + 100 watts
(6 ohms at 1 kHz, 10%
THD)
SPECIFICATIONS
Inputs
VIDEO/SAT IN (audio) (phono jacks):
voltage 450/250 mV,
impedance 47 kilohms
VIDEO INPUT VIDEO (phono jack):
1 Vp-p, 75 ohms
VIDEO INPUT AUDIO (phono jacks):
voltage 250 mV,
impedance 47 kilohms
MIC1/MIC2 (phone jack):
sensitivity 1 mV,
impedance 10 kilohms
Outputs
VIDEO/SAT OUT (audio) (phono jacks):
voltage 250 mV,
impedance 1 kilohm
VIDEO OUT (phono jack):
max. output level
1 Vp-p, unbalanced, Sync
negative, load impedance
75 ohms
S-VIDEO OUT (4-pin/mini-DIN jack):
Y: 1 Vp-p, unbalanced,
Sync negative,
C: 0.286 Vp-p, load
impedance 75 ohms
COMPONENT VIDEO OUT:
Y: 1 Vp-p, 75 ohms
PB, PR: 0.7 Vp-p, 75 ohms
Sony Corporation
Home Audio Division
Published by Sony Engineering Corporation
9-879-622-02
2005L04-1
© 2005. 12
– Continued on next page –
DVD DECK RECEIVER
(Photo: HCD-GNZ7D)
HCD-GNZ7D/GNZ8D/GNZ9D are
the tuner, deck, DVD and amplifier
section in MHC-GNZ7D/GNZ8D/
GNZ9D.
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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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Sony HCD-GNZ7D Specifications

General IconGeneral
BrandSony
ModelHCD-GNZ7D
CategoryStereo System
TypeMini Hi-Fi System
Speaker Configuration2.0
BluetoothNo
CD PlayerYes
USB PlaybackYes
FM RadioYes
Number of Discs1
Supported MediaCD, USB
Tuner BandsFM
Remote ControlYes
FunctionsCD, USB, Radio
Speakers2

Summary

Service Manual Overview

Important Handling and Repair Notes

Optical Pick-Up Block Handling

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

Section 1 Service Notes

Section 3 Disassembly Procedures

Section 4 Test Mode Operations

DVD Adjustment Modes

Covers Mirror Time and IOP measurement procedures.

Section 5 Mechanical Adjustments

Torque Measurement Specifications

Details torque meter readings for FWD, REV, FF/REW, and tension modes.

Section 6 Electrical Adjustments

DVD Section Electrical Adjustments

Lists the order of adjustments for the DVD section.

Video Section Electrical Adjustments

Details the Video Level Check procedure for NTSC standard.

Deck Section Adjustments

Record/Playback Head Azimuth Adjustment

Details azimuth adjustment for L-CH and R-CH heads using test tape.

Section 7 Diagrams and Layouts

Block Diagrams

Illustrates block diagrams for RF/Servo, Video, Audio, Main, and Function/Power sections.

Printed Wiring Board Layouts

Shows printed wiring board layouts for Driver, DMB10, Audio, Video, etc.

Diagrams and Layouts (Continued)

Schematic Diagrams - DMB10 Section

Provides schematic diagrams for the DMB10 section (parts 1-4).

Printed Wiring Boards - Panel Section

Shows printed wiring board layouts for the Panel Section.

Printed Wiring Board - Surround Amp Section

Shows printed wiring board layout for the Surround Amp Section.

Printed Wiring Board - Trans Section

Shows printed wiring board layout for the Trans Section.

Schematic Diagrams - Audio Section

Provides schematic diagrams for the Audio Section (parts 1-3).

Schematic Diagrams - Panel Section

Provides schematic diagrams for the Panel Section (parts 1-2).

Schematic Diagram - Surround Amp Section

Provides schematic diagram for the Surround Amp Section.

Printed Wiring Board - Sub Trans Section

Shows printed wiring board layout for the Sub Trans Section.

Schematic Diagrams - Video Section

Provides schematic diagrams for the Video Section.

Printed Wiring Board - Jack Section

Shows printed wiring board layout for the Jack Section.

Printed Wiring Board - Subwoofer Section

Shows printed wiring board layout for the Subwoofer Section.

Schematic Diagram - Power Section

Provides schematic diagram of the power supply section.

Schematic Diagrams - Front Amp Section

Provides schematic diagrams for the Front Amp Section.

Schematic Diagram - Jack Section

Provides schematic diagram for the Jack Section.

Schematic Diagram - Subwoofer Section

Provides schematic diagram for the Subwoofer Section.

Section 8 Exploded Views

Section 9 Electrical Parts List

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