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The service manual is scanned, but high quality, high resolution. The smallest texts on schematics diagram is readable. Super! Thank you!
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I am satisfied with the service. And if need another manual, i will definitely buy from this site. Keep up the good work.
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have download a number of manuals todate , most are excellant, one or two sometimes a little difficult to read but a least avaialable, great site .
Brad.
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Excellent had everything I wanted, very happy with purchase
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This service is relatively cheap, document is fast available, schematic is readable.
Thanks.
1-3 All output voltages on the power board is 0V or deviated.
Trouble shooting chart
All output voltages on the power board is 0V or deviated Yes
Check whether F1 is blown
Yes Replace F1
No
Check
whether
No
Replace C1&C2 if D1, D2, D3, D4 are normal.
there is 300V on C1
Yes
Check whether 100KHz oscillating signal on Pin6 of U1
No
Check/ replace U1. U1(PIN 3 - RC waveform) U1(PIN 8 - Drain waveform)
Yes
Check if +5V, , +12V and -12V are short.
No Check whether U1 are eroded.
Yes Check whether the components in the short-circuit voltage are defected or eroded.
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