7. IC601 TROUBLESHOOTING
NO
NO
YES
IC601 troubleshooting
Refer to
MCU troubleshooting
Replace MCU
NO
YES
YES
Check
IC601 pin34: CLK,
pin35: CKE
Check
MCU IC603 voltage
1.2V
Check MCU IC603
OK
8. IC603 TROUBLESHOOTING
IC603 troubleshooting
Refer Both end voltage
0f IC501, IC605 3.3V/6.2V
Check or replace X600
YES
YES
YES
YES
NO
NO
Check
both end voltage of IC605
(1.2V / 3.3V)
Check
IC603 pin111, 112, X600
operation
Check or replace R601
Check IC602 reset circuit
NO
NO
Check IC603
pin13, 47, 94, 120, 122, 124 voltage
1.2V are in
When
power supply to IC603 pin107
(Low-->High)
OK
3-8
ELECTRICAL TROUBLESHOOTING GUIDE
Содержание XA14
Страница 9: ...1 8 MEMO ...
Страница 11: ...2 2 MEMO ...
Страница 13: ...2 5 2 6 MEMO MEMO ...
Страница 15: ...2 8 3 SPEAKER SECTION XAS14F A60L A60R ...
Страница 33: ...3 18 MEMO ...
Страница 38: ...3 27 3 28 2 MAIN CIRCUIT DIAGRAM A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T 30 31 32 ...
Страница 39: ...3 29 3 30 3 MCU CIRCUIT DIAGRAM A 1 2 3 4 5 6 7 8 9 10 11 12 B C D E F G H I J K L M N O P Q R S T ...
Страница 44: ...3 39 3 40 2 SMPS P C BOARD TOP VIEW BOTTOM VIEW 6 5 4 3 2 1 A B C D E F G H 6 5 4 3 2 1 A B C D E F G H ...
Страница 47: ...3 45 3 46 MEMO MEMO ...