3-18
11. NO TV, EXTERNAL INPUT VIDEO SIGNAL
IC803 pin 21, 22, 25,
26 : Is there a signal?
No video signal of external
input AV3 (Rear RCA input)
CHECK Cable con-
nection & Input signal
CHECK Cable con-
nection & Input signal
C917,C923,C934 :
Is there a signal ?
C618 :
Is there a signal ?
C859, C869, C871 :
Is there a signal?
NO
NO
NO
YES
YES
No video signal of external input
AV4 (Composite / S-Video)
YES
YES
YES
YES
YES
YES
YES
When Cable connecting Tuner and Rear
SCART1, 2 No TV video signal (AV1/2)
NO
NO
NO
YES
YES
YES
YES
YES
IC901 pin 34
Or R999 (reset”H”) :
X901 (24.576MHz)
clock oscillated?
IC901 pin 108 or
R930 (VI_CLK) :
CHECK IC901 power
3.3V & 1.8V
CHECK No RGB / Component / Composite
/ S-Video Signal when play DISC
IC901 DEFECT
CHECK
IC1302 Reset Circuit
C926 : Is there a
signal?
CHECK IC 803 pin 2,4 (12V)
Pin 32,33 (SCL/SDA)
Replace IC803
R962, R978 (I
2
C) :
CHECK Cable con-
nection & Input signal
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 ...