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28
42PD7200 (PW2)
Teletext
[Tuner PWB Circuit]
No Teletext
Are waveforms at
QT03(E),QT04(E)
and QT05(E)
Are waveforms at
pin 46,47,48 of
IT01
No
No
pin 31 of IT01
(TV,CV)?
No
Is waveform at
pin 25 of PTV2
(TV,CV)?
Check Video PWB
No
Yes
Yes
Yes
Yes
Check PTV2 connector
Check QT03,QT04,QT05
Check around IT01
Check around
QT01,QT02
Is waveform at
or Video PWB
Summary of Contents for 42PD7200
Page 10: ...9 42PD7200 PW2 Block diagram ...
Page 41: ...40 42PD7200 PW2 MEMO ...
Page 42: ...41 42PD7200 PW2 9 Basic circuit diagram 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 43: ...42 42PD7200 PW2 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 44: ...43 42PD7200 PW2 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 45: ...44 42PD7200 PW2 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 46: ...45 42PD7200 PW2 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 47: ...46 42PD7200 PW2 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 48: ...47 42PD7200 PW2 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 49: ...48 42PD7200 PW2 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 50: ...49 42PD7200 PW2 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 51: ...50 42PD7200 PW2 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 59: ...58 42PD7200 PW2 11 Block diagram ...
Page 63: ...62 42PD7200 PW2 Disassembly diagram 42V 13P CONNECTOR A5 2 Gasket Gasket ...
Page 66: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA ...