4-5
COMPONENT REPAIR GUIDE
4. ABNORMAL SERVO OPERATION
- The actuator, spindle and sled operation of pick-up are abnormal.
- After changing MD, the set is still not operated.
- After changing Motor Drive IC, the set is still not operated.
4-1. Component
1) LIC270 - OP Amp.
4-2. How to troubleshoot (Countermeasure)
1) Check if the voltage of LIC270 (Pin5 and Pin7) is 1.67V.
4-3. Service hint (Any picture / Remark)
1.67V
LIC270
Содержание XV-BP10J
Страница 53: ...3 43 3 44 2 BCM7601 1 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 54: ...3 45 3 46 3 BCM7601 2 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 55: ...3 47 3 48 4 DDR2 512MB 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 57: ...3 51 3 52 6 A V OUTPUT 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 58: ...3 53 3 54 7 POWER SUPPLY 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 60: ...9 TIMER KEY 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 3 57 3 58 ...
Страница 63: ...3 63 3 64 2 SMPS P C BOARD TOP VIEW BOTTOM VIEW 5 4 3 2 1 A B C D E F G H I 5 4 3 2 1 A B C D E F G H I ...
Страница 64: ...3 65 3 66 3 KEY P C BOARD TOP VIEW 4 TIMER P C BOARD TOP VIEW BOTTOM VIEW BOTTOM VIEW ...
Страница 65: ...3 67 3 68 MEMO MEMO ...
Страница 74: ...4 9 1 2 Block Diagram BCM7620 ...
Страница 79: ...4 14 2 LIC200 R2A30209SP W02Z SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2 1 Block Diagram ...
Страница 83: ...4 18 MEMO ...
Страница 84: ...4 20 4 19 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 ...