Sony CX-JDS20 Service Manual

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SERVICE MANUAL
Ver. 1.0 2005.03
CX-JDS20/JDS50 are the Amplifier, CD player, Tape
Deck and Tuner section in DBX-DS20/DBX-DS50.
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L 13942296513
Amplifier section
European model:
JDS20
DIN power output (rated): 96 + 96 watts (6 ohms at
Continuous RMS power output (reference):
Music power output (reference):
Russian model:
JDS50
DIN power output (rated): 160 + 160 watts (6 ohms at
Continuous RMS power output (reference):
Music power output (reference):
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Sony Corporation
9-879-515-01
Personal Audio Group
2005C1678-1
Published by Sony Engineering Corporation
© 2005.03
http://www.xiaoyu163.com
CX-JDS20/JDS50
JDS20
DIN power output (rated): 96 + 96 watts (6 ohms at
Continuous RMS power output (reference):
1 kHz, DIN)
Music power output (reference):
120 + 120 watts (6 ohms at
1 kHz, 10% THD)
Other models:
180 + 180 watts (6 ohms at
JDS50
1 kHz, 10% THD)
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 160 + 160 watts (6 ohms at
Continuous RMS power output (reference):
1 kHz, DIN)
200 + 200 watts (6 ohms at
1 kHz, 10% THD)
330 + 330 watts (6 ohms at
1 kHz, 10% THD)
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Photo : CX-JDS50
Model Name Using Similar Mechanism
CD
CD Mechanism Type
Section
Optical Pick-up Name
Model Name Using Similar Mechanism
TAPE
Section Tape Transport Mechanism Type
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SPECIFICATIONS
1 kHz, DIN)
120 + 120 watts (6 ohms at
1 kHz, 10% THD)
180 + 180 watts (6 ohms at
1 kHz, 10% THD)
1 kHz, DIN)
200 + 200 watts (6 ohms at
1 kHz, 10% THD)
COMPACT DISC DECK RECEIVER
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AEP Model
E Model
CX-JDS20/JDS50
Australian Model
Russian Model
CX-JDS20/JDS50
NEW
BU-F1BD81A
KSM-215DCP/C2NP
CX-LEM330
JDS20 CMAL5Z220A
JDS50 CMAL1Z240A
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JDS20
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 96 + 96 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
120 + 120 watts (6 ohms at
1 kHz, 10% THD)
Inputs
AUDIO IN (stereo mini jack):
voltage :
JDS20: 1.85 V
JDS50: 0.9 V,
impedance 47 kilohms
MIC (phone jack) (except for European model):
se nsitivity:
JDS20: 0.25 mV
JDS50: 0.1 mV,
impedance 10 kilohms
Outputs
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
SPEAKER: accepts impedance of 6 to
16 ohms
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CX-JDS20
CX-JDS20
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