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
Ver 1.1 2003.08
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)
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 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
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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