
No 12 V
Is Vcc
(15 V) supplied to Q953
collector?
Check or replace D921.
YES
YES
NO
Is the
13 V Supplied to Q953
base?
Check P-CTRL “H” signal
from
μ
-COM.
YES
NO
Check or replace Q953.
No 5 V
Is Vcc
(6 V) supplied to IC951
Pin1?
Check or replace D923.
YES
YES
NO
Check
IC951 Pin4 "H".
Check P-CTRL
“H”’ signal from
μ
-COM.
YES
NO
Check or replace IC951.
3-18
AUDIO ELECTRICAL TROUBLESHOOTIHG GUIDE
Содержание RAS376BF
Страница 11: ...1 10 MEMO ...
Страница 13: ...2 2 MEMO ...
Страница 17: ...2 8 A60 4 SPEAKER SECTION 4 1 FRONT SPEAKER RAS376BF ...
Страница 18: ...2 9 A90 4 2 PASSIVE SUBWOOFER RAS376BW ...
Страница 19: ...2 10 MEMO ...
Страница 51: ...3 32 MEMO ...
Страница 52: ...3 33 3 34 6PIN CDM 345 CN301 CN303 CN302 CN105 CN401 CN501 CN304 CN104 CN502 CN902 CN903 CN901 WIRING DIAGRAM ...
Страница 63: ...3 55 3 56 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW Rev 2 2 ...
Страница 64: ...3 57 3 58 MAIN P C BOARD BOTTOM VIEW EAX63554401 Rev 2 2 ...
Страница 66: ...3 61 3 62 4 USB P C BOARD MEMO ...
Страница 67: ...3 63 3 64 MEMO MEMO ...