Read Sharp 37GT-25 Service Manual online
22
37GT-25H
TROUBLESHOOTING TABLES.
NO VERTICAL SCAN
Broken
Normal
Check Q507 and
R504
Normal
Broken
Check Q509
Normal
±10 V
abnormal
Check Q500,
D709, C712,
D710 and
C713
D709, C712,
D710 and
C713
Check power
supply voltage
supply voltage
Check Q503,
Q505, Q506,
Q510 and IC501
Q505, Q506,
Q510 and IC501
Is R512
Broken?
Broken?
Are R504 or
R608
Broken?
R608
Broken?
WRONG OPERATION
Show the wrong
function
function
Check NVM data
Address : 0B
Data : F8
Data : F8
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