Hitachi 32PD5000 Service Manual page 44

Troubleshooting (TV / Teletext)
[TUNER PWB]
32PD5000/42PD5000 (PW1)
....... for 32/37/42PD5000, 55PMA550E
No Picture of TV
Is waveform of
Yes
pin 49 of PTV2
(TV.CV)?
No
Is waveform of
Yes
pin 7 of I101
(TV.CV)?
No
Is waveform of
Yes
pin 18 of U101
(TV.CV)?
No
Check U101
No Sound of TV
Is waveform of
Yes
pin 30,31 of
IN01 (L, R)?
No
Is waveform of
Yes
pin 2 of IN01
(SIF)?
No
(Asia )
Is waveform of pin 22
of U101 (SIF)?
(Europe )
Is waveform of pin 21
of U101 (SIF)?
No
Check U101
44
Check Video PWB
Check Q106
Check around Q101,
Q102, Q103
Check PTV2 connector
or Video PWB
Check around IN01
Yes
Check around
(Asia)
QN01, QN02