3-15
8. NO EXTERNAL AUDIO INPUT
Replace IC803
C979, C980
Is there a signal?
CHECK Cable connec-
tions & Input signal.
IC803 pin 20, 24, 23,
27 :Is there a signal?
CHECK IC 803 pin 2,4 (VCC) : 12V
Pin 32, 33 (SCL/SDA) :
NO
NO
NO
NO
< AV3 >
< AV1/AV2 >
< AV4 >
NO
NO
YES
IC803 pin 10, 16 :
Is there a signal?
YES
YES
YES
YES
YES
YES
YES
C976,C977 :
Is there a signal?
YES
NO
IC901 pin 34
Or R999 (reset“H”) :
X901 (24.576MHz)
clock oscillated ?
C901 pin 173 or
R903 :
CHECK IC901 power
3.3V & 1.8V
When playing DISC,
no Audio output
IC901 DEFECT
CHECK
IC1302 Reset Circuit
R902,R913,R997 :
R962,R978 (I2C) :
IC1101 DEFECT
CHECK Cable connec-
tions & Input signal.
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 ...