DV-RW360H (serv.man4). Pages 1-7-1 to 1-14-7 - Sharp DVD Service Manual (repair manual). Page 24

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

1-11-16
E9B30TR
Are the video signals outputted to Pin(20) of IC1507?
No
Check the DVD-P-ON+5V line 
and service it if defective.
Replace IC1507.
Yes
No
Is 5V voltage supplied to Pin(1) of IC1507?
Are the video signals inputted to each pin of 
IC1518?
Check the line between video input terminal and 
each pin of IC1518.
IC1581    1PIN 
 JK1502  VIDEO-IN (AV1)
IC1581    3PIN 
 JK2001  VIDEO-IN2 (AV1)
IC1581  28PIN 
 TU1501  17PIN  TUNER-VIDEO
Check the line between each pin of IC1507 and 
Pin(31) of IC1518 and video input terminal.
IC1507  12PIN 
 IC1518  31PIN  TUNER/LINE VIDEO
IC1507  15PIN 
 JK1204  FRONT-Y-IN
IC1507    4PIN 
 JK1204  FRONT-C-IN
IC1507  10PIN 
 JK1201  FRONT-VIDEO-IN
Are the video signals inputted to each pin of IC1507?
Yes
No
Is 12V voltage supplied to Pin(2,4) of IC1518?
No
No
IC1518     1PIN    VIDEO-IN (AV1)
IC1518     3PIN    VIDEO-IN2 (AV2)
IC1518   28PIN    TUNER-VIDEO
IC1507     12PIN    TUNER/LINE VIDEO
IC1507     15PIN    FRONT-Y-IN
IC1507       4PIN    FRONT-C-IN
IC1507     10PIN    FRONT-VIDEO-IN
Yes
Yes
Are the video signals outputted to Pin(31) of IC1518?
Yes
Replace IC1518.
No
Check AL+12V(I) line and 
service it if defective.
Yes
Check the AL+5V(1) and AL-5V
line, and service it if defective.
Replace IC1508.
Yes
No
Is 5V voltage supplied to Pin(1) of IC1508?
Is -5V voltage supplied to Pin(7) of IC1508?
Yes
Continued to "E" on the next page.
FLOW CHART NO.10
Video E-E does not appear.
Is the video signal inputted to Pins(48) of IC301?
Check the line between Pin(20) of IC1507 and 
Pin(48) of IC301, and service it if defective.
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Is the video signal inputted to Pin(5) of IC1518?
Check the line between Pin(4) of IC1508 and 
Pin(5) of IC1518, and service it if defective.
No
Yes
No
No
No
No
No
Is the C-SYNC signal outputted to Pin(67) of IC301?
Is the C-SYNC signal inputted to Pin(58) of IC501?
Is the video signal outputted to Pin(4) of IC1508?
Is 5V voltage supplied to Pins(18,24,42,55,72) of IC301?
Is the serial data and clock signal 
supplied to Pins(68,69) of IC301?
Check the P-ON+5V line and AL+5V line, 
and service it if defective.
Check the line between Pin(67) 
of IC301 and Pin(58) of IC501, 
and service it if defective.
Check the line between Pins(68,69) of IC301 
and Pins(71, 72) of IC501, and service it if 
defective.
Check the line between Pin(65) of IC301 and 
Pin(5) of IC1508, and service it if defective.
Is the video signal inputted into Pin(5) of IC1508?
Replace IC301.
Page of 47
Display

Click on the first or last page to see other DV-RW360H (serv.man4) service manuals if exist.