Sony HCD-DX375 Service Manual

SERVICE MANUAL

Ver. 1.1 2006.04
HCD-DX375 is the amplifier, DVD/CD and tuner
section in DAV-DX375.
This system incorporates with Dolby*
adaptive matrix surround decoder and the DTS*
System.
*1 Manufactured under license from Dolby Laboratories.
"Dolby," "Pro Logic," and the double-D symbol are trademarks of
Dolby Laboratories.
*2 Manufactured under license from Digital Theater Systems, Inc.
"DTS" and "DTS Digital Surround" are trademarks of Digital
Theater Systems, Inc.
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND
TOTAL HARMONIC
DISTORTION
(FTC Output Power): FL/FR/SL/SR/C: 84 W/ch
3 ohm at 170 - 20,000 Hz,
0.7 % THD
SW: 160 W 1.5 ohm at 40 -
170 Hz, 0.7 % THD
Amplifier section
Surround mode (reference) RMS output power, 10 %
THD
Front: 143 W + 143 W
(with SS-TS52)
Center*: 143 W
(with SS-CT51)
Surround*: 143 W + 143
W
(with SS-TS51)
Subwoofer*: 285 W
(with SS-WS52B)
* Depending on the sound field settings and the source,
there may be no sound output.
Sony Corporation
9-887-160-02
Home Audio Division
2006D16-1
Published by Sony Techno Create Corporation
© 2006.04
HCD-DX375
1
Digital and Dolby Pro Logic (II)
2
Digital Surround
SPECIFICATIONS
Inputs
TV, VCR (AUDIO IN)
AUDIO IN
Outputs (Analog)
Phones
Super Audio CD/DVD system
Laser
Signal format system
Harmonic distortion
Tuner section
System
FM tuner section
Tuning range
Antenna (aerial)
Antenna (aerial) terminals 75 ohms, unbalanced
Intermediate frequency
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
AM tuner section
Sensitivity: 450/250 mV Tuning range
Sensitivity: 250/125 mV
Accepts low-and high-
impedance headphones. Antenna (aerial)
Intermediate frequency
Semiconductor laser
Video section
(Super Audio CD/DVD:
Outputs
λ = 650 nm)
(CD: λ = 790 nm)
Emission duration:
continuous
NTSC
Less than 0.03 %
PLL quartz-locked digital
synthesizer system
87.5 – 108.0 MHz
(100 kHz step)
FM wire antenna (aerial)
10.7 MHz
SUPER AUDIO CD/DVD RECEIVER
US Model
HCD-DX255
CDM81C-DVBU101
KHM-310CAB
530 – 1,710 kHz (with the
interval set at 10 kHz)
531 – 1,710 kHz (with the
interval set at 9 kHz)
AM loop antenna (aerial)
450 kHz
VIDEO: 1 Vp-p 75 ohms
S VIDEO:
Y: 1 Vp-p 75 ohms
C: 0.286 Vp-p 75 ohms
COMPONENT:
Y: 1 Vp-p 75 ohms
P /C , P /C : 0.7 Vp-p
B B R R
75 ohms
HDMI OUT:
Type A (19 pin)
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