- 2-11 -
■
SMPS POWER CIRCUIT
Check the fuse F901
Check the DC V of C905.
If DC V is over 400V
Check the DC V Of
C981,C945. If DC V is 6.1V
OK
Chcek the DC VOf
C950,C951 If DC V is in
35V,-35V
Chcek the DC V Of C909,
C903,C921 If DC V is in
14~19V and it is steady.
Replace the fuse
Check BD901, LF901,902
Check IC901 ,902
Replace IC 901,902
Check short of P9702 line
Check short of P9701 line
Check short of P9701,P9702
line
*MAIN PART
YES
NO
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Содержание LM-U360
Страница 7: ... 1 6 ...
Страница 20: ... 2 13 INTERNAL BLOCK DIAGRAM of ICs UTC MC4580 PIN CONFIGURATION TEST CIRCUIT ...
Страница 21: ... 2 14 FAN8082D Internal Block Diagram ...
Страница 22: ... 2 15 BU2090 Block diagram ...
Страница 23: ... 2 16 BA3308 BA3308F BLOCK DIAGRAM BA3308 BA3308F ...
Страница 24: ... 2 17 HT1200 4 SYSTEM BLOCK DIAGRAM ...
Страница 25: ... 2 18 HT1200 4 FUNCTIONAL BLOCK DIAGRAM ...
Страница 26: ... 2 19 CS5340 BLOCK DIAGRAM BU4052 BLOCK DIAGRAM ...
Страница 27: ... 2 20 HA12237F BLOCK DIAGRAM ...
Страница 28: ... 2 21 PT6324 BLOCK DIAGRAM ...
Страница 43: ......
Страница 47: ...2 42 2 43 AMP SCHEMATIC 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 48: ...2 44 2 45 FRONT SCHEMATIC 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 49: ...2 46 2 47 DECK SCHEMATIC 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 50: ...2 48 2 49 CD SCHEMATIC 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 51: ...2 50 2 51 USB SCHEMATIC 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 53: ...2 54 2 55 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD TOP VIEW ...
Страница 54: ...2 56 2 57 MAIN P C BOARD BOTTOM VIEW ...
Страница 55: ...2 58 2 59 FRONT P C BOARD ...
Страница 56: ...2 60 2 61 SMPS P C BOARD DECK P C BOARD BOTTOM VIEW TOP VIEW ...
Страница 57: ...2 62 2 63 CD P C BOARD TOP VIEW ...
Страница 58: ...2 64 2 65 CD P C BOARD BOTTOM VIEW ...
Страница 59: ......
Страница 65: ... 3 10 ...