Sony HCD-GN77D Service Manual

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SERVICE MANUAL
Ver 1.1 2003.08
HCD-GN77D is the amplifier, DVD
player, tape deck and tuner section in
MHC-GN77D.
TE
L 13942296513
Amplifier section
The following are measured at AC 120, 127, 220, 240V 50/60 Hz
DIN power output (rated)
Front speaker:
Center speaker:
Surround speaker:
Continuous RMS power output (reference)
Front speaker:
Center speaker:
Surround speaker:
Inputs
GAME (VIDEO):
GAME (AUDIO):
(phono jacks)
MD/VIDEO (AUDIO) IN: voltage 450 mV/250 mV,
(phono jacks)
MIC:
(phone jack)
Outputs
AUDIO OUT:
(phono jacks)
VIDEO OUT:
(phono jack)
COMPONENT VIDEO
www OUT: Y:
PB/CB:
PB/CR:
.
Sony Corporation
9-877-454-02
2003H02-1 Home Audio Company
C 2003.08 Published by Sony Engineering Corporation
http://www.xiaoyu163.com
Model Name Using Similar Mechanism
DVD Mechanism Type
DVD
Section
Base Unit Name
Optical Pick-up Name
Tape Model Name Using Similar Mechanism
Section Tape Transport Mechanism Type
110 + 110 watts (6 ohms at 1 kHz, DIN)
30 watts (8 ohms at 1 kHz, DIN)
30 + 30 watts (8 ohms at 1 kHz, DIN)
150 + 150 watts (6 ohms at 1 kHz, 10% THD)
40 watts (8 ohms at 1 kHz, 10% THD)
40 + 40 watts (8 ohms at 1 kHz, 10% THD)
1 Vp-p, 75 ohms (phono jack)
Voltage 250 mV,
impedance 47 kilohms
impedance 47 kilohms
sensitivity 1 mV,
impedance 10 kilohms
Voltage 250 mV
impedance 1 kilohms
max. output level 1 Vp-p,
unbalanced, Sync.
negative load impedance 75 ohms
1 Vp-p, 75 ohms
0.7 Vp-p, 75 ohms
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0.7 Vp-p, 75 ohms
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HCD-GN77D
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SPECIFICATIONS
S VIDEO OUT
(4-pin/mini-DIN jack):
PHONES:
(stereo mini jack)
FRONT SPEAKER:
SUBWOOFER OUT:
(phono jack)
SURROUND SPEAKER: accepts impedance of 8 ohms to 16 ohms
CENTER SPEAKER:
Disc player section
Laser
Frequency response
Video color system format NTSC, PAL
(except Latin American models)
DVD DIGITAL OUT (OPTICAL)
(Square optical connector jack, rear panel)
Wave length
MiNi Hi-Fi COMPONENT SYSTEM
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E Model
NEW
CDM74D-DVBU23
DVBU23
TDP022W
HCD-GN800
CWM43RR23
0 5 8 2 9 9 4 2 8
Y: 1 Vp-p, unbalanced, Sync negative
C: 0.286 Vp-p load impedance 75 ohms
accepts headphones of 8 ohms or more
accepts impedance of 6 to 16 ohms
Voltage 250 mV
impedance 1 kilohms
accept impedance of 8 ohms to 16 ohms
Semiconductor laser
(DVD: λ = 650 nm, CD: λ = 780 nm)
Emission duration: continuous
DVD (PCM 48 kHz): 2 Hz – 22 kHz = (±1dB)
CD: 2 Hz – 20 kHz (±0.5 dB)
660 nm
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