1
Ver. 1.0 2007. 07
Model Name Using Similar Mechanism HCD-GTX88
CD
CD Mechanism Type CDM74KF-K6BD91UR-WOD//M
Section
Optical Pick-up Name KSM-213DCP/C2NP
Tape Deck
Model Name Using Similar Machanism HCD-GTX88
Section
SERVICE MANUAL
E Model
HCD-GTX66/GTX77
Amplifier section
Brazil model only
The following are measured at
AC 127 V or 220 V, 50/60 Hz
Front speaker
RMS output power: HCD-GTX77: 300 W + 300 W
(at 4 Ω, 1 kHz, 10% THD)
HCD-GTX66: 280 W + 280 W
(at 4 Ω, 1 kHz, 10% THD)
Other models
The following are measured at
Mexican model: HCD-GTX77: AC 127 V, 60 Hz
Other models: AC 120, 220, 240 V, 50/60 Hz
Front speaker
Power Output (rated): HCD-GTX77: 225 W + 225 W
(at 4 Ω, 1 kHz, 1% THD)
HCD-GTX66: 210 W + 210 W
(at 4 Ω, 1 kHz, 1% THD)
RMS output power (reference):
HCD-GTX77: 380 W + 380 W
(per channel at 4 Ω, 1 kHz,
10% THD)
HCD-GTX66: 340 W + 340 W
(per channel at 4 Ω, 1 kHz,
10% THD)
SPECIFICATIONS
Inputs
VIDEO (AUDIO IN) L/R:
Voltage 250 mV,
impedance 47 kilohms
AUDIO (AUDIO IN) L/R:
Voltage 450 mV,
impedance 47 kilohms
MIC: Sensitivity 1 mV,
impedance 10 kilohms
(USB) port: Type A
Outputs
PHONES: accepts headphones of
8 ohms or more
Disc player section
System Compact disc and digital
audio system
Laser Semiconductor laser
(λ=770 – 810 nm)
Emission duration:
continuous
Laser Output Max. 44.6 µW*
* This output is the value measured
at a distance of 200 mm from the
objective lens surface on the Optical
Pick-up Block with 7 mm aperture.
Sony Corporation
Personal Audio Division
Published by Sony Techno Create Corporation
9-887-780-01
2007G04-1
© 2007. 07
– Continued on next page –
CD DECK RECEIVER
• HCD-GTX66/GTX77 are the tuner,
deck, CD and amplifier section in
MHC-GTX66/GTX77.
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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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