SERVICE MANUAL
Model Name Using Similar Mechanism NEW
DVD
DVD Mechanism Type CDM74D-DVBU23
Section
Base Unit Name DVBU23
Optical Pick-up Name TDP022W
TAPE
Model Name Using Similar Mechanism HCD-GN800
Section Tape Transport Mechanism Type CWM43RR23
MiNi Hi-Fi COMPONENT SYSTEM
E Model
Australian Model
HCD-GN88D
Ver 1.2 2004.03
9-877-457-03 Sony Corporation
2004C02-1 Home Audio Company
C 2004.03 Published by Sony Engineering Corporation
SPECIFICATIONS
HCD-GN88D is the amplifier, DVD
player, tape deck and tuner section in
MHC-GN88D.
– Continued on next page –
Amplifier section
The following are measured at AC 120, 127, 220, 240V 50/60 Hz
DIN power output (rated)
Front speaker: 185 + 185 watts
(6 ohms at 1 kHz, DIN)
Center speaker: 50 watts
(8 ohms at 1 kHz, DIN)
Surround speaker: 50 + 50 watts
(8 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
Front speaker: 235 + 235 watts
(6 ohms at 1 kHz, 10% THD)
Center speaker: 70 watts
(8 ohms at 1 kHz, 10% THD)
Surround speaker: 70 + 70 watts
(8 ohms at 1 kHz, 10% THD)
Inputs
GAME (VIDEO): 1 Vp-p, 75 ohms
(phono jack)
GAME (AUDIO): Voltage 250 mV,
(phono jacks) impedance 47 kilohms
MD/VIDEO (AUDIO) IN: voltage 450 mV/250 mV,
(phono jacks) impedance 47 kilohms
MIC: sensitivity 1 mV,
(phone jack) impedance 10 kilohms
Outputs
AUDIO OUT: Voltage 250 mV
(phono jacks) impedance 1 kilohms
VIDEO OUT: max. output level 1 Vp-p,
(phono jack) unbalanced, Sync.
negative load impedance
75 ohms
COMPONENT VIDEO
OUT: Y: 1 Vp-p, 75 ohms
PB/CB: 0.7 Vp-p, 75 ohms
PB/CR: 0.7 Vp-p, 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
PHONES: accepts headphones of
(stereo mini jack) 8 ohms or more
FRONT SPEAKER: accepts impedance of 6 to 16 ohms
SUBWOOFER OUT: Voltage 250 mV
(phono jack) impedance 1 kilohms
SURROUND SPEAKER: accepts impedance of
8 ohms to 16 ohms
CENTER SPEAKER: accept impedance of
8 ohms to 16 ohms
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