31
55PMA550/55HDM71 (PW1)
Troubleshooting (PICTURE)
[VIDEO PWB Circuit]
No picture, no color or dark
Check Formatter PWB
Are waveforms at pin1(Y),
Pin3(CB) and pin5(CR)
of PYM?
Check Q205, Q206, Q207 etc.
Are waveforms at pin39(Y), 41(CB)
and 43(CR) of I202?
Video Input
Component Input
Are waveforms at pin 37(Y), 36(CB)
and 35(CR) of I202?
Yes
Yes
Yes
No
No
No
Check I501
Are waveforms at pin25 (Y)
and 27 (C) of I301?
Check Input terminal
Are waveforms at pin44 (Y)
and 43 (C) of I501?
Check I202
Check Q508, Q509,
and Q510
Are waveforms at pin9(Y), 11(CB)
and 13(CR) of I202?
PAL/SECAM
Are waveforms at pin21(Y), 22(CB)
and 23(CR) of I501?
NTSC
Are waveforms at pin5 (Y)
and 7 (C) of I501?
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Check Q203, Q301
Q307 etc.
Check Q322
Q327
X304 or X305, etc.
Check I301
Yes
Yes
No
Check Q317
Q324,
Q328, X302 or X303, etc.
Are waveforms at pin89 (Y)
and 88 (C) of I302?
Yes
No
Check I201 etc.
Are waveforms at pin7
of I301?
Are waveforms at pin93
of I302?
Yes
No
Are waveforms at pin44
of I201?
Check I3A1
Single picture or Main picture
Sub picture
Trouble of Sub picture
No
Содержание 55HDM71 - 55" Plasma Panel
Страница 36: ...55PMA550 55HDM71 36 ...
Страница 37: ...55PMA550 55HDM71 37 ...
Страница 38: ...55PMA550 55HDM71 38 ...
Страница 39: ...55PMA550 55HDM71 39 ...
Страница 40: ...55PMA550 55HDM71 40 ...
Страница 41: ...55PMA550 55HDM71 41 ...
Страница 47: ...47 55PMA550 55HDM71 10 Block diagram ...
Страница 49: ...49 55PMA550 55HDM71 11 Connection diagram PW1 55V CONNECTION DIAGRAM ...
Страница 50: ...50 55PMA550 55HDM71 12 Wiring diagram Wiring diagram 1 2 ...
Страница 52: ...52 55PMA550 55HDM71 13 Disassembly diagram ...
Страница 54: ...54 55PMA550 55HDM71 ...
Страница 67: ...55P1 A BUS D2 PWB CND1 4 55P1 A BUS D1 PWB CND2 4 CND2 9 ...
Страница 68: ...55P1 A BUS D4 PWB CND3 12 55P1 A BUS D3 PWB CND4 3 CND3 5 CND4 5 ...
Страница 69: ...55P1 A BUS U2 PWB CNU1 4 55P1 A BUS U1 PWB CNU2 7 CNU2 4 ...
Страница 70: ...55P1 A BUS U4 PWB CNU3 10 55P1 A BUS U3 PWB CNU4 5 CNU3 5 CNU4 3 ...
Страница 71: ...55P1 LOGIC PWB CN9 ...
Страница 72: ...CN23 55P1 X SUS PWB CN21 CN25 CN24 CN22 ...
Страница 73: ...55P1 Y SUS PWB CN31 CN34 ...
Страница 74: ...55PMA550 55HDM71 YK No 006E Digital Media Division QR60581 Printed in Japan JE ...