SERVICE MANUAL
Ver. 1.1 2008.07
• HCD-GZR7D/GZR8D/GZR9D are the
tuner, deck, DVD and amplifi er section
in MHC-GZR7D/GZR8D/GZR9D.
Amplifi er Section
The following measured at AC 230 V, 50/60 Hz (Russian model)
The following measured at AC 127, 220, 240 V, 50/60 Hz
(Saudi Arabian model)
The following measured at AC 120, 220, 240 V, 50/60 Hz (Other models)
MHC-GZR9D
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,
Front speaker:
10% THD)
60 W (6 Ω at 1 kHz, 10% THD)
Center speaker:
60 W + 60 W (per channel at 6 Ω, 1 kHz,
Surround speaker:
10% THD)
180 W (6 Ω at 80 Hz, 10% THD)
Subwoofer:
MHC-GZR8D
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,
Front speaker:
10% THD)
60 W (6 Ω at 1 kHz, 10% THD)
Center speaker:
60 W + 60 W (per channel at 6 Ω, 1 kHz,
Surround speaker:
10% THD)
Sony Corporation
9-889-156-02
2008G04-1
Audio&Video Business Group
©
2008.07
Published by Sony Techno Create Corporation
HCD-GZR7D/GZR8D/
Photo: HCD-GZR8D
Model Name Using Similar Mechanism
DVD
DVD Mechanism Type
Section
Optical Pick-up Name
Tape Deck
Model Name Using Similar Machanism
Section
SPECIFICATIONS
MHC-GZR7D
Power output (rated): 100 W + 100 W (6 Ω at 1 kHz, 1% THD)
RMS output power (reference):
Inputs
VIDEO/SAT VIDEO IN (phono jack):
VIDEO/SAT AUDIO IN L/R (phono jacks):
MIC 1/MIC 2 (phone jacks):
GZR9D
E Model
HCD-GZR7D/GZR8D/GZR9D
Australian Model
Russian Model
HCD-GZR7D/GZR9D
HCD-GNZ777D/GNZ888D
CDM74HF-DVBU101//C
KHM-313CAB/C2RP
HCD-GNZ777D/GNZ888D
180 W+ 180 W (per channel at 6 Ω, 1 kHz,
10% THD)
1 Vp-p, 75 ohms
voltage 250/450 mV, impedance 47 kilohms
sensitivity 1 mV, impedance 10 kilohms
– Continued on next page –
DVD DECK RECEIVER
HCD-GZR9D