30
42PD7500
/
42PD7500A
(PW2)
TV Signal
[Tuner PWB Circuit]
Is waveform at
pin 49 of PTV2
(TV,CV?)
Is waveform at
pin 7 of I101
(TV,CV)?
No
Is waveform at
pin 18 of U101
(TV,CV)?
No
Check U101
No
Yes
Yes
Yes
Check
Video PWB
Check Q106
Check around
Q101,Q102,Q103
No Picture of TV
No Picture of DTT
(No Teletext of DTT)
Check HDMI PWB
Are waveforms at
PHD1 connector?
(Pin19,20,21,24)
Check I/F B PWB
Are waveforms at
PL6 connector?
(Pin19,20,21,24)
Change I/F B board
Check DTT module board
Check connector wires(EBH)
I/F B board
No
Yes
Yes
OK
No
NG
Check Video PWB
[Pin12,14,17 of I601]
[Pin30 of I201]
DTT Signal (DTT Teletext)
[I/F B PWB Circuit]
Summary of Contents for 42PD7500
Page 11: ...10 42PD7500 42PD7500A PW2 5A DTT DTT Block diagram ...
Page 44: ...43 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A VIDEO board 1 PW2 ...
Page 45: ...44 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A VIDEO board 2 PW2 ...
Page 46: ...45 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A VIDEO board 3 PW2 ...
Page 47: ...46 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A VIDEO board 4 PW2 ...
Page 48: ...47 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A TUNER board PW2 ...
Page 49: ...48 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly JOINT 1 PW2 ...
Page 50: ...49 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D C B A G F E PWB assembly JOINT 2 PW2 ...
Page 51: ...50 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A PWB assembly AUDIO PW2 ...
Page 52: ...51 42PD7500 42PD7500A PW2 1 2 3 4 5 6 6 1 2 3 4 5 D G F E C B A HDMI board PW2 ...
Page 54: ...SM007 PSU Circuit Sheet 1 53 42PD7500 42PD7500A PW2 ...
Page 55: ...SM007 PSU Circuit Sheet 2 54 42PD7500 42PD7500A PW2 ...
Page 56: ...SM007 PSU Circuit Sheet 3 55 42PD7500 42PD7500A PW2 ...
Page 57: ...SM007 PSU Circuit Sheet 4 56 42PD7500 42PD7500A PW2 ...
Page 58: ...SM007 PSU Circuit Sheet 5 57 42PD7500 42PD7500A PW2 ...
Page 66: ...SM007 PSU Board 65 42PD7500 42PD7500A PW2 ...
Page 67: ...66 42PD7500 42PD7500A PW2 11 Block diagram ...
Page 77: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA 76 ...