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
P
B
/C
B
: 0.7 Vp-p, 75 ohms
P
B
/C
R
: 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
