Read Sharp DV-RW360H (serv.man4) Service Manual online
1-11-18
E9B30TR
Yes
"F"
Check the line between Pin(21,25) of IC1518 and
audio terminal (JK1502), and service it if defective.
audio terminal (JK1502), and service it if defective.
Are the audio signals outputted to the specific
output terminal?
output terminal?
Are the audio signals outputted to the audio
terminal (JK1502)?
terminal (JK1502)?
Are the audio signals outputted to the audio
terminal (JK2001)?
terminal (JK2001)?
Yes
IC1518 21,25PIN AUDIO-OUT 1 (AV1)
IC1518 22,26PIN AUDIO-OUT 2 (AV2)
IC1518 22,26PIN AUDIO-OUT 2 (AV2)
Are the audio signals outputted to each pin
of IC1518?
of IC1518?
No
No
Check the line between Pin(22,26) of IC1518 and
audio terminal (JK2001), and service it if defective.
audio terminal (JK2001), and service it if defective.
No
Check the AL+12V(1) line
and service it if defective.
and service it if defective.
Replace IC1518.
Yes
No
Is 12V voltage supplied to Pin(2,4) of IC1518?
Check the line between Pin(3,13) of IC1501 and
Pin(4,50) of IC451, and service it if defective.
Pin(4,50) of IC451, and service it if defective.
Check the circuit of AL+5V, P-ON+5V and
P-ON+9V, and service it if defective.
P-ON+9V, and service it if defective.
Is the 5V voltage supplied to Pin(16,32,35,36,46,55) of
IC451, or the 9V voltage supplied to Pin(69) of IC451?
IC451, or the 9V voltage supplied to Pin(69) of IC451?
Is the serial data and the clock signal supplied to
Pin(37,38) of IC451?
Pin(37,38) of IC451?
Is the audio signal outputted to Pin(74,76)
of IC451?
of IC451?
Is the audio signal inputted into Pin(2,12) of
IC1508?
IC1508?
Is the audio signal outputted to Pin(14,15) of
IC1508?
IC1508?
Is the audio signal supplied to Pin(4,50) of IC451?
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
Check the line between Pin(37,38) of IC451 and
Pin(71,72) of IC501, and service it if defective.
Pin(71,72) of IC501, and service it if defective.
Check the line between Pin(53) of IC451 and
Pin(28) of IC501, and service it if defective.
Pin(28) of IC501, and service it if defective.
Check the line between Pin(74,76) of IC451 and
Pin(2,12) of IC1508, and service it if defective.
Pin(2,12) of IC1508, and service it if defective.
Is the audio signal inputted into Pin(6,12) of
IC1518?
IC1518?
Yes
No
Check the line between Pin(14,15) of IC1508 and
Pin(6,12) of IC1518, and service it if defective.
Pin(6,12) of IC1518, and service it if defective.
Is approximately 5V voltage supplied to Pin(16)
of IC1508, or approximately -5V voltage supplied to
Pin(7) of IC1508?
of IC1508, or approximately -5V voltage supplied to
Pin(7) of IC1508?
Check the AL+5V line and the AL-5V line, and
service it if defective.
service it if defective.
Replace IC451.
Is the "L" pulse inputted into the Pin(53) of IC451?
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