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There are currently no product reviews.
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very good quality that can be magnified several times, and it remains readable.
For sure I will return next time the need for a service manual arise.
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The service manual is really great - thanks to it I was able to install the laser unit and thus "save" my CD-player, which seemed to be impossible before I had the manual.
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Downloaded the Service manual OK of the Technics Piano and have now repaired it and its going fine. Excellant; thank you for the fine servce. A.M
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This site is working fine! Did buy a manual for SX-EX25L and after a while I could download it and fix the problem. Nice and easy!
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Complete manual as pdf-file in very good quality. Very helpful and fast availability.
GC150AT/ATA 9. No power on
9.1 No power on (I)
Check output voltage +5V, +15V is right or not.
OK NG
It is not power board problem.
Check power switch is turn on or not.
NG OK
Turn switch on.
Check power cord ( P801), Signal cable (P302),P802, P803, CN102, CN103 is connected right or not. NG OK Connect it right.
Check C805 is about DC 140V-330V or not. NG OK Check F801, D801, P801 and repair them.
Check C807 is over 10V or not. NG OK Check R805, R803, I801 and repair them.
Check pin 6 of I801 have same pulse or not. NG OK Check peripheral components of I801 and repair them.
Check pin 1 of T802 have same pulse or not. NG OK Check Q803, R813, R814, D806 , R812 and repair them.
Check peak voltage of R811 triangle pulse is up to 1 volt or not. NG OK Check D804, R807 and repair them.
Check D809, D810, C816, C821, T802 have same short circuit, or the output +5V, +15V is over load. OK NG Repair them.
Check feedback circuit around I802, I803 and the other components and repair them.
Trouble Shooting
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