24
2
Is IC100-pin119(PVOL) at a
high level?
Is IC100-pin 120(PVOH) at a
low level?
IC100 failure.
Is Q101-collector at a low
level?
Is Q102-collector at a high
level?
Q101 or Q102 failure.
Is TP207 approx.2.5V?
Can TP207 be adjusted to
approx.2.5V with L200
(LOW BAND)?
Adjust TP207 to approx.2.5V
with L200.
Low band VCO circuit
failure.
No
No
No
No
Yes
Yes
Yes
Yes
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 ...