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There are currently no product reviews.
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Great product, helped me to restore vintage walkman cassette.
Just some pictures could be little bit more sharp and contrast
Thank you
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I love older radio's and the service manuals that are sometimes hard to find. Was able to find a manual quite easily on this site.
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Thank you for your shop manual! Your help was very useful - the device is repaired! Once again - Thank you! I wish you a successful business! Edward (Russia).
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It was a great experience,instead of purchasing a new Stereo Amplifier ,in just minutes i repaired my old one and that was thaks to the manual I have purchased from you.
Thanks again.
Samuel Alter
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Das ging ja sehr unkompliziert hat bestens geklappt und die Quallität ist auch noch gut.
Vielen Dank dafür.
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Flowchart of Failure Analysis for The Video-system Assy
A
No audio output from subwoofer SUB-W Has the sound been emitted from the SubWoofer? NO Is sound muting set? NO Is the volume set to [0]? NO Is a signal output from IC4701 ? (31) (32) 41 YES Has the signal arrived at CN4005? YES NO Check the around of IC4701 and each input signal. If there was no problem, replace IC4701. YES Raise the volume then check again. YES Cancel muting then check again.
B
NO
Check the communication between IC4701 to CN4005.
NG
Replace Main Ass'y
Is a signal output from CN9003 ? YES Is a signal output from IC9001? (1) (7) 42 YES Has the signal come to TP9051 ? YES
NO
Check the Flexible cable between CN4005 and CN9003.
NG
Replace or reconnect flexible cable
NO
Check around IC9001.
NG
Replace Main Ass'y
NO
Check the contact between the CN9003 and R9042.
NG
Replace TANSHI Ass'y
C
Check the around of pin Jack.
*100Hz input. Sound volume is fixed to 25.
� Waveforms
41
IC4701 (31)(32)AC-SUBWOO V:200mV/div H:4msec/div
Stop
42
IC4701 (31)(32)DC-SUBWOO
Stop
IC4704 (1)(7)AC-SUBWOO V:200mV/div H:4msec/div
Stop
IC4704 (1)(7)DC-SUBWOO
Stop
D
E
F
20
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PDP-507XC
3 4
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