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37GQ-20 (serv.man3). (including circuit diagram and parts listing) for the version 02 chassis - Sharp TV Service Manual (repair manual). Page 24

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24
37GQ-20H
NO RASTER
Check F701
Normal
Fuse Blown
Normal
Replace Fuse
Fuse Blown
 again
Check IC701
Normal
Abnormal
Check Q601, 
C711
Check D708, D717
Normal
Check R705, R706,
R715, D706
Normal
Check CRT connector
K1... K5 bias
Normal
Abnormal
Check C878
Check IC801
Check Q601, C711
Check Voltage on C705
(Approx. 325V DC)
Check D701, D702, D703,
D704, C705.
Check Voltage on C711
(Approx. 105V DC)
Approx. 0V
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