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Hitachi 42PD7200 Service Manual page 30

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User manual (57 pages)

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TV Signal

[Tuner PWB Circuit]

42PD7200 (PW2)

No Picture of TV

Yes

Is waveform at

pin 49 of PTV2

(TV,CV?)

No

Is waveform at

Yes

pin 7 of I101

(TV,CV)?

No

Is waveform at

Yes

pin 18 of U101

(TV,CV)?

No

Check U101

29

Check

Video PWB

Check Q106

Check around

Q101,Q102,Q103

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