4-7
Focus Servo is unstable
Is FE signal
output normal in Focusing
Up/Down?
(LIC121 pin25*)
Check Pickup Read Power
is 1.3~1.7mW?
YES
Replace the LIC121.
Replace the Pick up.
Go to “Focus Actuator
operating is abnormal”
NO
NO
Is FDRV signal
output normal in Focusing
Up/Down?
(LIC201 pin 62)
Replace the LIC201.
NO
YES
Focus Actuator operating is
abnormal
Is there Focus
Search control signal input?
(LIC301 pin5)
Is DRVMUTE2 signal “H”?
(LIC301 pin 35)
Replace the LIC301.
Check the connection
LPM101 pin40, 41.
Check the connection of LIC121 pin 32.
Replace the LIC121.
NO
YES
Replace the Pick-Up.
Is there Focus
Search drive voltage output?
(LIC301 pin 51,52)
NO
•
Check the connection of LIC201 pin 62.
•
Check the communication line between
LIC121 and LIC201.
•
Replace the LIC201.
YES
NO
YES
* LIC121 pin25 is MOUT2(FEP Monitor2).
After disc recognition action, Monitor port
is off. So, please check FE signal during
disc recognition.
Содержание DR165
Страница 45: ...3 40 3 41 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 2 MAIN POWER CIRCUIT DIAGRAM ...
Страница 46: ...3 42 3 43 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 MPEG CIRCUIT DIAGRAM ...
Страница 48: ...3 46 3 47 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 5 LOADER DV CIRCUIT DIAGRAM ...
Страница 49: ...3 48 3 49 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 6 I O µ COM CIRCUIT DIAGRAM ...
Страница 51: ...3 52 3 53 8 DECODER 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 64 3 65 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP SIDE ...
Страница 58: ...3 66 3 67 2 MAIN P C BOARD BOTTOM SIDE ...
Страница 59: ...3 68 3 69 3 I O P C BOARD TOP VIEW BOTTOM VIEW 4 JUNCTION P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 77: ...4 17 2 DISC SPECIFICATION 3 DISC MATERIALS 1 DVD ROM Single Layer Dual Layer ...
Страница 102: ......
Страница 103: ...4 42 4 43 CIRCUIT DIAGRAMS 1 DSP CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 104: ...4 44 4 45 2 RF CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 105: ...4 46 4 47 3 DRIVE CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 107: ...4 50 4 51 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...
Страница 108: ...4 52 4 53 2 MAIN P C BOARD BOTTOM VIEW ...