Sharp DV-RW360H (serv.man4) Service Manual ▷ View online
1-11-17
E9B30TR
FLOW CHART NO.11
Hi-Fi E-E audio does not operate normally.
No
Check the periphery of JK1502 from Pin(29) of
IC1518 and service it if defective.
IC1518 and service it if defective.
Are the video signals outputted to the specific
output terminal?
output terminal?
Are the composite video signals outputted to the
VIDEO-OUT terminal (JK1502)?
VIDEO-OUT terminal (JK1502)?
Are the composite video signals outputted to the
VIDEO-OUT terminal (JK2001)?
VIDEO-OUT terminal (JK2001)?
Yes
IC1518 29PIN VIDEO-OUT 1 (AV1)
IC1518 30PIN VIDEO-OUT 2 (AV2)
IC1518 30PIN VIDEO-OUT 2 (AV2)
Are the video signals outputted to each pin
of IC1518?
of IC1518?
No
No
Check the periphery of JK2001 from Pin(30) of
IC1518 and service it if defective.
IC1518 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?
"E"
Is SIF signal inputted to Pin(2) of IC1?
Are the audio signal outputted
to Pin(30,31) of IC1?
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.
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.
and service it if defective.
Replace IC1518.
Yes
No
Are the audio signals inputted to each pin of
IC1518?
IC1518?
Check the line between audio input terminal and
each pin of IC1518, and service it if defective.
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.
Pin (23,27) of IC1518, and service it if defective.
Are the audio signals outputted to Pin(23,27) of
IC1518?
IC1518?
Yes
Yes
Yes
Yes
No (Rear
or Front
input)
or Front
input)
No (Tuner)
No
No
Check the line between Pin (5,14) of IC1501 and
audio input terminal (JK1202, JK1203), and service
it if defective.
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?
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)
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.
AL-5V line, and service it if
defective.
Replace IC1501.
Yes
No
Are the audio signals outputted to Pin(3,13) of
IC1501?
IC1501?
Is 5V voltage supplied to Pin(16) of IC1501?
Is -5V voltage supplied to Pin(7) of IC1501?
Is -5V voltage supplied to Pin(7) of IC1501?
Continued to "F" on the next page.
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?
1-11-19
E9B30TR
FLOW CHART NO.13
Hi-Fi audio can not be playbacked normally. (Hi-Fi E-E mode is normal.)
FLOW CHART NO.14
Hi-Fi audio can not be recorded normally in the linear audio mode. (E-E mode is normal.)
Is the audio signal inputted into Pin(13,15,17) of IC301?
Does the Bias oscillation circuit operate normally?
Is the audio signal outputted to Pin(11) of IC301?
Is the Playback Envelope signal outputted to
Pin(33) of IC451?
Pin(33) of IC451?
Replace IC301.
Is CN504 and the connected cable normal?
Is the Hi-Fi-H-SW signal inputted into to Pin(39) of IC451?
Yes
Yes
Yes
Is the audio signal outputted to Pin(100) of IC301?
Yes
Yes
Replace ACE head assembly.
Yes
Yes
No
No
No
No
Check the Hi-Fi-H-SW line between
Pin(39) of IC451 and Pin(19) of
IC501, and service it if defective.
Pin(39) of IC451 and Pin(19) of
IC501, and service it if defective.
Check the line between Pin(78) of IC451 and
Pin(13,15,17) of IC301, and service it if defective.
Pin(13,15,17) of IC301, and service it if defective.
Check the Bias oscillation circuit (Q401,Q403,
Q404,Q405,Q406) and service it if defective.
Q404,Q405,Q406) and service it if defective.
Replace
IC451.
IC451.
Replace IC451.
No
Replace IC301.
No
Replace CN504 and the connected cable.
No
FLOW CHART NO.12
Hi-Fi audio can not be recorded normally. (E-E mode is normal.)
Is the REC FM signal outputted to Pin(26) of IC451?
Is the line between Pin(8) of CN251 and
Pin(26) of IC451 normal?
Pin(26) of IC451 normal?
Replace the Cylinder Assembly.
Yes
Yes
No
Replace IC451.
No
Check the line between Pin(8) of CN251 and
Pin(26) of IC451, and service it if defective.
Pin(26) of IC451, and service it if defective.
1-11-20
E9B30TR
FLOW CHART NO.15
Hi-Fi audio can not be playbacked normally in the linear audio mode. (E-E mode is normal.)
Are the CN504, the connected cable and the parts
on periphery of playback amplifier normal?
on periphery of playback amplifier normal?
Is there no dirt on the surface of ACE head assembly?
Is the audio signal supplied to Pin(5) of IC301?
Replace
IC301.
IC301.
Is the audio signal outputted to Pin(11) of IC301?
Check the line between Pin(11) of
IC301 and Pin(80) of IC451, and
service it if defective.
IC301 and Pin(80) of IC451, and
service it if defective.
Service and replace poor parts.
Readjust the height of the ACE head assembly.
Clean the surface of ACE head assembly.
Yes
Yes
Is the height of ACE head assembly appropriate?
Yes
Replace the ACE head assembly.
Yes
No
Yes
No
No
No
No
Click on the first or last page to see other DV-RW360H (serv.man4) service manuals if exist.