Sony STR-WX5 Service Manual

SERVICE MANUAL

STR-WX5 is the tuner and amplifier
section in MHC-WX5.
Amplifier section
The following measured at AC 120, 220, 240V 50/60Hz
DIN power output (Rated) (FRONT)
Continuous RMS power output (Reference)
Inputs
Output
Video section
Inputs
Outputs
Tuner section
FM stereo, FM/AM superheterodyne tuner
MICROFILM
SPECIFICATIONS
120 + 120W (6 Ω at 1kHz DIN)
150 + 150 W
(6 Ω at 1kHz, 10% THD)
MD/VIDEO 1 IN (phono jacks): voltage
450/250mV, impedance 47kΩ
AV INPUT AUDIO (phono jacks):
voltage 250mV, impedance 47kΩ
MIX MIC (phone jack): sensitivity 1mV,
impedance 10kΩ
MD/VIDEO 1 OUT (phono jacks):
voltage 450/250mV, impedance 1kΩ
PHONES (stereo phone jack): accepts
headphones of 8Ω or more.
FRONT SPEAKER:
accepts impedance of 6 to 16Ω
REAR SPEAKER:
accepts impedance of 16Ω
SUPER WOOFER:
Voltage 1V, impedance 1kΩ
AV INPUT VIDEO (phono jack): 1Vp-p,
75Ω
MONITOR OUT (phono jack): 1Vp-p,
75Ω
STR-WX5
Australian Model
FM tuner section
Tuning range 87.5 – 108.0MHz
Antenna terminals 75Ω unbalanced
Intermediate frequency 10.7MHz
AM tuner section
Tuning range
Latin America models: 530 – 1,710kHz (10kHz step)
531 – 1,710kHz (9kHz step)
Middle Easten models: 531 – 1,602kHz(with the MW interval set at
9kHz)
5.95 – 17.90MHz (with the SW interval set
at 5kHz)
Australian, Israel, and Thai models :
531 – 1,602kHz(with the AM tuning
interval set at 9kHz)
530 – 1,710kHz (with the AM tuning
interval set at 10kHz)
Other models: MW :
531 – 1,602kHz(with the MW tuning
interval set at 9kHz)
530 – 1,710kHz (with the MW tuning
interval set at 10kHz)
SW :
5.95 – 17.90 MHz (with the SW tuning
interval set at 5kHz)
Intermediate frequency 450kHz
Antenna AM loop antenna
External antenna terminal
FM STEREO/FM-AM RECEIVER
E Model
Tourist Model
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