DV-RW360H (serv.man4). Pages 1-7-1 to 1-14-7 - Sharp DVD Service Manual (repair manual). Page 17

Read Sharp DV-RW360H (serv.man4) Service Manual online

1-11-9
E9B30TR
Is SIF signal inputted to Pin(2) of IC1?
Are the audio signal outputted 
to Pin(30,31) of IC1?
Replace TU1501.
Replace IC1.
Yes
Check the line between 
Pin(30,31) of IC1 and 
Pin(20,24) of IC1518, and 
service it if defective.
Yes
No
No
Check the AL+12V(1) line 
and service it if defective.
Replace IC1518.
Yes
No
FLOW CHART NO.7
Audio E-E does not appear normally.
Are the audio signals inputted to each pin of 
IC1518?
Check the line between audio input terminal and 
each pin of IC1518, and service it if defective.
Check the line between Pin (1,12) of IC1501 and 
Pin (23,27) of IC1518, and service it if defective. 
Are the audio signals outputted to Pin(23,27) of 
IC1518?
Yes
Are the audio signals outputted to Pin(1,7) of 
IC1506?
Yes
Yes
Yes
Yes
Yes
No (Rear 
or Front 
input)
No (Tuner)
Replace IC1506.
No
No
No
Check the line between Pin (5,14) of IC1501 and 
audio input terminal (JK1202, JK1203), and service 
it if defective. 
No
IC1518
AUDIO-IN1 (AV1)
10,16PIN
IC1518
AUDIO-IN2 (AV2)
8,14PIN
IC1518
TUNER-AUDIO
20,24PIN
Are the audio signals inputted to each pin of 
IC1501?
IC1501
TUNER-AUDIO/AUDIO-IN1,2
1,12PIN
IC1501
AUDIO-IN-F (FRONT)
5,14PIN
IC1518
→
JK1502
10,16PIN
IC1518
→
JK2001
8,14PIN
AUDIO-IN1 (AV1)
AUDIO-IN2 (AV2)
Is 12V voltage supplied to Pin(2,4) of  IC1518? 
Check the AL+5V(1) and 
AL-5V line, and service it if 
defective.
Replace IC1501.
Yes
No
Are the audio signals outputted to Pin(3,13) of 
IC1501?
Is 5V voltage supplied to Pin(16) of IC1501? 
Is -5V voltage supplied to Pin(7) of IC1501? 
Continued to "C" on the next page.
Are the analog audio signals outputted to each pin 
of CN1502?
CN1502   14PIN   AUDIO (L)-OUT
CN1502   16PIN   AUDIO (R)-OUT
No
Replace the DVD MECHANISM & DVD MAIN CBA 
ASSEMBLY.

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