33
Video Circuit Check
Input NTSC video signal to
CN600.
Are video signals inputted
to IC600-pin21?
Is a video signal outputted
from TP600?
Are Hsync or Vsync
outputted from IC600-
pin38 and pin41?
Are digital video signals
outputted from IC601-
pin30~39,40~47,and
48~57?
Input cable failure.
Input connector failure.
Check IC107 and 400.
IC600 failure.
IC601 failure.
Yes
No
No
No
No
Yes
Yes
Yes
Input NTSC and PAL video signal
Is IC400-pin24(XTALSL) "H"
when NTSC is inputted, "L"
when PAL is inputted?
Failure of
IC417,419,420,418.
IC400 failure.
Yes
No
Содержание QD-101MM
Страница 39: ...38 6 CIRCUIT DIAGRAM PWB Fig 27 CIRCUIT DIAGRAM MAIN CIRCUIT No 1 ...
Страница 40: ...39 Fig 27 CIRCUIT DIAGRAM MAIN CIRCUIT No 1 ...
Страница 41: ...40 Fig 28 CIRCUIT DIAGRAM MAIN CIRCUIT No 2 ...
Страница 42: ...41 Fig 28 CIRCUIT DIAGRAM MAIN CIRCUIT No 2 ...
Страница 43: ...42 Fig 29 CIRCUIT DIAGRAM MAIN CIRCUIT No 3 ...
Страница 44: ...43 Fig 29 CIRCUIT DIAGRAM MAIN CIRCUIT No 3 ...
Страница 45: ...44 Fig 30 CIRCUIT DIAGRAM MAIN CIRCUIT No 4 ...
Страница 46: ...45 Fig 30 CIRCUIT DIAGRAM MAIN CIRCUIT No 4 ...
Страница 47: ...46 Fig 31 CIRCUIT DIAGRAM POWER CIRCUIT ...
Страница 48: ...47 Fig 31 CIRCUIT DIAGRAM POWER CIRCUIT ...
Страница 49: ...48 Fig 32 CIRCUIT DIAGRAM VIDEO CIRCUIT ...
Страница 50: ...49 Fig 32 CIRCUIT DIAGRAM VIDEO CIRCUIT ...
Страница 51: ...50 Fig 33 CIRCUIT DIAGRAM AUDIO CIRCUIT ...
Страница 52: ...51 Fig 33 CIRCUIT DIAGRAM AUDIO CIRCUIT ...
Страница 53: ...52 Fig 34 PWB PATTERN MAIN PWB FRONT SIDE ...
Страница 54: ...53 Fig 34 PWB PATTERN MAIN PWB REAR SIDE ...
Страница 66: ...PRINTED IN GERMANY ...