32
55PMA550/55HDM71 (PW1)
Trouble of Sub picture
Are waveforms at pin1(Y),
pin3(CB) and pin5(CR)
of PYS?
Check Formatter PWB
Yes
No
Are waveforms at pin 33(Y), 32(CB)
and 31(CR) of I202?
Yes
Check Q208, Q209, Q214, Q215, etc.
No
Component Input
Video Input
Are waveforms at pin9(Y), 11(CB)
and 13(CR) of I202?
Are waveforms at pin45(Y), 47(CB)
and 1(CR) of I202?
Check I202
Check Input terminal
No
No
Yes
Yes
No
Are waveforms at pin21(Y), 22(CB)
and 23(CR) of I502?
Check Q511, Q512,
and Q513
Yes
No
Are waveforms at pin1 of I502?
Check I502.
Yes
No
Are waveforms at pin53
of I201?
Check Q202, etc.
Yes
No
Check I201 etc.
Summary of Contents for 55HDM71 - 55" Plasma Panel
Page 36: ...55PMA550 55HDM71 36 ...
Page 37: ...55PMA550 55HDM71 37 ...
Page 38: ...55PMA550 55HDM71 38 ...
Page 39: ...55PMA550 55HDM71 39 ...
Page 40: ...55PMA550 55HDM71 40 ...
Page 41: ...55PMA550 55HDM71 41 ...
Page 47: ...47 55PMA550 55HDM71 10 Block diagram ...
Page 49: ...49 55PMA550 55HDM71 11 Connection diagram PW1 55V CONNECTION DIAGRAM ...
Page 50: ...50 55PMA550 55HDM71 12 Wiring diagram Wiring diagram 1 2 ...
Page 52: ...52 55PMA550 55HDM71 13 Disassembly diagram ...
Page 54: ...54 55PMA550 55HDM71 ...
Page 67: ...55P1 A BUS D2 PWB CND1 4 55P1 A BUS D1 PWB CND2 4 CND2 9 ...
Page 68: ...55P1 A BUS D4 PWB CND3 12 55P1 A BUS D3 PWB CND4 3 CND3 5 CND4 5 ...
Page 69: ...55P1 A BUS U2 PWB CNU1 4 55P1 A BUS U1 PWB CNU2 7 CNU2 4 ...
Page 70: ...55P1 A BUS U4 PWB CNU3 10 55P1 A BUS U3 PWB CNU4 5 CNU3 5 CNU4 3 ...
Page 71: ...55P1 LOGIC PWB CN9 ...
Page 72: ...CN23 55P1 X SUS PWB CN21 CN25 CN24 CN22 ...
Page 73: ...55P1 Y SUS PWB CN31 CN34 ...
Page 74: ...55PMA550 55HDM71 YK No 006E Digital Media Division QR60581 Printed in Japan JE ...