35
42PD7200 (PW2)
No picture, no color or dark
Are waveforms at
QH20<E>(Y),
QH21<E>(Cb) and
QH22<E>(Cr)?
Check ETV3 and VIDEO PWB
Check IH13
Are waveforms at
12pin(Y), 15pin(Cb)
and 7pin(Cr) of IH13?
Check QH20, QH21 and QH22
YES
NO
YES
NO
No sound
Are waveforms at
37pin(L) and 35pin(R)
of PHV1?
Check ETV3 and VIDEO PWB
Are waveforms at
7pin(L) and 8pin(R) of
IH14?
YES
NO
Check IH15
Are waveforms at
26pin(SCK), 32pin(BCK),
30pin(DATA) and
31pin(LRCK) of IH13?
YES
NO
Check IH14
Check IH13
YES
NO
HDMI
[HDMI PWB Circuit]
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 ...
