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Another excellent aquisition. Fine detailed manual. Thanks
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Good quality for the scan, complete, but as usual for Tascam, not so comprehensive !
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great manual readable & easy to downlaod to be recommanded
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Very useful, not the best scan, but definitely readable !
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Complete service manual, good quality scan, great buy !
AH-A07CR AH-A09CR AH-A12CR
TROUBLESHOOTING GUIDE OF CONTROL CIRCUIT
The machine does not function at all with remote controller and switches on the indoor unit.
Using a tester, measure the voltage between anodes of D1 and D2 on PWB ass'y.
measure the secondary voltage of transformer.
Is the measured value approx. 17.0 Vac ?
NO
YES Replace the PWB with a new one. YES Replace the fuse and varistor with new ones. Replace the ftransformer with a new one. Is the 3.0A fuse down ? NO
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