Akai DV-P4930KDSM, Руководство по обслуживанию

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POWER BOARD
No
No
No Yes
No Yes
No voltage output
Check the different
voltage ports working
or not.
Test 22UF/400V
capacitance, to check its
voltage working or not
Is it 220V Power board
have natural voltage?
Inspect power
cable and power
switch
Some parts components or filter
defective
Test VIPER22A5-8 to check is it
working or not
Circuitry defective, please
inspect
431,VIPER22A
etc
high frequency transformer
defective
Yes
Yes
No Yes
Replace defective
material
Inspect Power supply
Fuse or filter defective
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