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
HCD-GN77D
9-877-454-02
Sony Corporation
2003H02-1
Home Audio Company
C
2003.08
Published by Sony Engineering Corporation
SPECIFICATIONS
HCD-GN77D is the amplifier, DVD
player, tape deck and tuner section in
MHC-GN77D.
– 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:
110 + 110 watts (6 ohms at 1 kHz, DIN)
Center speaker:
30 watts (8 ohms at 1 kHz, DIN)
Surround speaker:
30 + 30 watts (8 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
Front speaker:
150 + 150 watts (6 ohms at 1 kHz, 10% THD)
Center speaker:
40 watts (8 ohms at 1 kHz, 10% THD)
Surround speaker:
40 + 40 watts (8 ohms at 1 kHz, 10% THD)
MD/VIDEO (AUDIO) IN: voltage 450 mV/250 mV,
(phono jacks)
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 8 ohms or more
(stereo mini jack)
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
Disc player section
Laser
Semiconductor laser
(DVD:
λ
= 650 nm, CD:
λ
= 780 nm)
Emission duration: continuous
Frequency response
DVD (PCM 48 kHz): 2 Hz – 22 kHz = (
±
1dB)
CD: 2 Hz – 20 kHz (
±
0.5 dB)
Video color system format NTSC, PAL
(except Latin American models)
DVD DIGITAL OUT (OPTICAL)
(Square optical connector jack, rear panel)
Wave length
660 nm
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
