Philips DVR5100/75, Руководство по обслуживанию

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8. NO Work : Flow chart
No Work
Check Hybrid Wire
Connector is
connected properly
Check U11 Have
correct voltage(3.3v)
Send back to zinwell
Check U19 pin3 Have
correct voltage(1.2v)
Firmly connect the connect
Check Q13 pin3 have
right voltage (5v)
Yes
Check U19 pin8 Have
correct voltage(2.6v)
Check Y1 Have correct
54MHZ
Replace U11
Check Q11 pin7.8 have
right voltage (3.3v)
Replace U11
Send back
to zinwell
Check U19 pin1 have
right voltage (3.3v)
Replace U11
Send back to zinwell
Send back to zinwell
Check U19 pin1 have
right voltage (3.3v)
Replace U11
Replace Y1
Yes
Yes
Yes Yes
Yes
Yes
Yes
Yes
Yes
No
No No
No
No
No No
No
No
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