Hitachi 32PD5000 - Page 44

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