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This manual is very helpful, correct shematic diagram, and good exploded view.Perfect!
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Alte gescannte Servicepläne sind oft doch etwas undeutlich . Stromlaufpläne werden auf mehrere DIN A4 Seiten aufgeteilt. Alles ziemlich umständlich und zeitaufwendig. Aber mit etwas Mühe geht alles.
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Great item, high resolution, detailed, very easy to work with.
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fast delevery of the manual and very complete manual, now my Akai works again, will buy again, thanks.
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Tartalma megfelelő. Szebb kivitelű is lehetne a scannelés.
4 Troubleshooting
4-6 No Sound
Does the DC 5 V appear at Pin 4 of IC803, Pin 5 of CN806? Yes Does the sound input signal appear at Pins 6 and 11 of IC803? Yes Do the sound signals appear at Pins 3 and 14 of IC803? Yes Does the DC 2.5 V bias appear at Pin 16 of IC503? Yes Check CN814, CN815 outputs.
No
Check IC803, IC804, VR841 and related circuit.
No
Check Pins 1 and 2 of CN806 and related circuits.
No
Check IC803 and related circuits.
No
Check C815, CN813, R821, R822, ZD803 on the Audio PCB.
SyncMaster 570BTFT/580BTFT
4-5
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