3-12
5. WHEN PLAYING DISC, NO AUDIO OUTPUT
IC1101 DEFECT
CHECK IC808 pin 1,2,3,4:
Pin 10 (Reset “H”) :
Pin 7,8 (I
2
C) :
CHECK IC808 pin 17
(12V) pin 5,11,20 (3.3V)
YES
YES
Replace IC808
L822, L823 :
Is there a signal?
Only “Without SCART model”
YES
YES
IC808 pin 15,18(Audio_out
R/L): Is there a signal?
NO
NO
NO
NO
IC808 pin 14,19 (Z_mute_R/L) :
IC701 pin 58 (A_mute_L) :
IC801 pin 1,7
Is there a signal?
IC803 pin 21, 22, 25,
26 : Is there a signal?
L806, L826, L825, L810
: Is there a signal?
CHECK Cable connec-
tions & TV Audio mute.
CHECK Q801,
Q802, Q803,Q805,
Q806, Q807, Q808
NO
Replace IC801
CHECK IC803 pin 2,4
(VCC) : 12V
Pin 32,33 (SCL/SDA) :
Replace IC803
YES
NO
CHECK
IC801 pin 8 (12V)
NO
NO
YES
YES
YES
Summary of Contents for DR165
Page 57: ...3 64 3 65 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP SIDE ...
Page 58: ...3 66 3 67 2 MAIN P C BOARD BOTTOM SIDE ...
Page 59: ...3 68 3 69 3 I O P C BOARD TOP VIEW BOTTOM VIEW 4 JUNCTION P C BOARD TOP VIEW BOTTOM VIEW ...
Page 77: ...4 17 2 DISC SPECIFICATION 3 DISC MATERIALS 1 DVD ROM Single Layer Dual Layer ...
Page 102: ......
Page 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 ...
Page 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 ...
Page 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 ...
Page 107: ...4 50 4 51 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...