|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
I was skeptical at first but later found the manual to be good quality for the price. It took a couple hours to receive the email with the download link, well worth the wait. Thanks.
;
very helpful, I could not have cleaned motherboard and replaced the main fan without it
 ;
Good manual, schematics nice and clear with good quality scanning. Woul dhave been nice to have immediate access after purchasing though.
;
I was very glad recieving the service manal from You. Manuals were delivered promptly and were correct as advertised. A complete and very usefull service manual with all details. Thank you!
;
Very clear copy. No pages missing. Big bonus is that it includes supplement. Price is affordable compared to what others ask for.
1-7
Trouble shooting chart
Distorted audio and loud noise
Distorted audio and loud noise Yes Check the power supply voltages +12V to the operation amplifying Q27 and -12V are normal. Yes
No Check Q27
Check whether the muting transistor R176 andR175 are normal Yes
No Replace R176 and R175
Check whether the muting transistor Q17,Q18, are normal Yes
No Replace Q17~Q18
Checking the U15 leads the feet has no to break to open Yes
No
Correct connection
Replace U1 No if the clock signal AOUT0, ABCK and ALRCK output by U1 are normal
SACLK waveform
SBCLK waveform
SSLRCK waveform
Yes
Check whether the U1 or U15 powersupply normal Yes
Replace U1 or U15
No Check U15
|
|
|
> |
|
