Sharp DV-S15 (serv.man18) Service Manual ▷ View online
1-8-4
E56H0TS
FLOW CHART NO.13
PON 1.8V is not outputted.
FLOW CHART NO.14
The disc tray cannot be opened and closed.
(It can be done using the remote control unit.)
(It can be done using the remote control unit.)
FLOW CHART NO.15
The disc tray cannot be opened and closed.
FLOW CHART NO.16
[No Disc] is indicated. (When the focus error occur.)
Replace the DVD Main CBA Unit.
Is 2.5V voltage supplied at pin(1) of IC1002?
Is 0V voltage supplied to Pin(9) of IC2001 when
the OPEN/CLOSE button is activated on the DVD?
the OPEN/CLOSE button is activated on the DVD?
See FLOW CHART NO. 15. <The disc tray cannot be opened and closed.>
Is the "H" pulse inputted into pin(4) of IC1002?
Replace IC1002.
Replace the DVD Main CBA Unit.
No improvement can be found.
No improvement can be found.
Replace the DVD Mecha.
Check D1013, C1014 and the periphery circuit.
Check PWRCON line.
Check the SW2014 and OPEN/CLOSE button.
The malfunction of the original DVD Main CBA Unit.
The malfunction of the original DVD Main CBA Unit.
Yes
Yes
No
Yes
No
No
No
Yes
Replace the DVD Mecha.
No
Yes
1-8-5
E56H0TS
FLOW CHART NO.17
[No Disc] is indicated. (When the focus servo is not functioning.)
FLOW CHART NO.18
[No Disc] is indicated. (When the laser beam does not light up.)
[No Disc] is indicated. (When the laser beam does not light up.)
FLOW CHART NO.19
Both functions of picture and sound do not operate normally.
Both functions of picture and sound do not operate normally.
Replace the DVD Main CBA Unit.
Replace the DVD Mecha.
No
Yes
Replace the DVD Main CBA Unit.
Replace the DVD Mecha.
No
Yes
Replace the DVD Main CBA Unit.
Replace the DVD Mecha.
No
Yes
No improvement can be found.
The malfunction of the original DVD Main CBA Unit.
No improvement can be found.
The malfunction of the original DVD Main CBA Unit.
No improvement can be found.
The malfunction of the original DVD Main CBA Unit.
1-8-6
E56H0TS
FLOW CHART NO.20
Picture does not appear normally.
Set the disc on the disc tray and playback.
Are the video signals outputted to each pin of
CN1601 on the the AV CBA?
CN1601 on the the AV CBA?
Replace the DVD Main CBA Unit or DVD Mecha .
Check the line between each pins of CN1601 and
each pins of IC1402 on the AV CBA .
each pins of IC1402 on the AV CBA .
Is 5V voltage supplied to the Pins(1, 3, 5, 34) of
IC1402?
IC1402?
Check or replace IC1402?
Check the periphery of the VIDEO OUT terminal
(JK1402, JK1404) from Pins(18, 21, 24, 30) of IC1402.
(JK1402, JK1404) from Pins(18, 21, 24, 30) of IC1402.
Check the periphery of JK1401 from
Pin(27) of IC1402.
Pin(27) of IC1402.
Check the periphery of JK1401 from
Pin(33) of IC1402.
Pin(33) of IC1402.
CN1601 10PIN
→ IC1402 4PIN CVBS
CN1601 8PIN
→ IC1402 6PIN S-Y
CN1601 12PIN
→ IC1402 2PIN S-C
CN1601 6PIN
→ IC1402 14PIN B
CN1601 4PIN
→ IC1402 16PIN R
CN1601 2PIN
→ IC1402 12PIN G
Are the video signals shown above inputted into
each pin of IC1402?
each pin of IC1402?
Are the video signals outputted to each pin
of IC1402?
of IC1402?
Are the video signals outputted to the specific
output terminal?
output terminal?
Are the composite video signals and component
video signals outputted to the VIDEO OUT
terminal (JK1402, JK1404)?
video signals outputted to the VIDEO OUT
terminal (JK1402, JK1404)?
Are the luminance signals outputted to the
S-OUT terminal (JK1401)?
S-OUT terminal (JK1401)?
Are the chroma signals outputted to the
S-OUT terminal (JK1401)?
S-OUT terminal (JK1401)?
Yes
Yes
Yes
Yes
No
No
No
No
No
No
CN1601 10PIN CVBS
CN1601 8PIN S-Y
CN1601 12PIN S-C
CN1601 6PIN B
CN1601 4PIN R
CN1601 2PIN G
CN1601 8PIN S-Y
CN1601 12PIN S-C
CN1601 6PIN B
CN1601 4PIN R
CN1601 2PIN G
IC1402 4PIN CVBS
IC1402 6PIN S-Y
IC1402 2PIN S-C
IC1402 14PIN B
IC1402 16PIN R
IC1402 12PIN G
IC1402 6PIN S-Y
IC1402 2PIN S-C
IC1402 14PIN B
IC1402 16PIN R
IC1402 12PIN G
IC1402 30PIN CVBS
IC1402 27PIN S-Y
IC1402 33PIN S-C
IC1402 21PIN B
IC1402 18PIN R
IC1402 24PIN G
IC1402 27PIN S-Y
IC1402 33PIN S-C
IC1402 21PIN B
IC1402 18PIN R
IC1402 24PIN G
1-8-7
E56H0TS
FLOW CHART NO.21
Audio is not outputted.
Set the disc on the disc tray and playback.
Are the analog audio signals outputted to each pin
of CN1601 on the AV CBA?
of CN1601 on the AV CBA?
Is the "H" level mute signals outputted to CN1601
on the AV CBA ?
on the AV CBA ?
CN1601 16PIN AUDIO-L
CN1601 18PIN AUDIO-R
CN1601 18PIN AUDIO-R
CN1601 19PIN A-MUTE
CN1601 17PIN A-R-MUTE
CN1601 15PIN A-L-MUTE
CN1601 17PIN A-R-MUTE
CN1601 15PIN A-L-MUTE
IC1201 1PIN AUDIO-L
IC1201 7PIN AUDIO-R
IC1201 7PIN AUDIO-R
IC1201 2PIN AUDIO-L
IC1201 6PIN AUDIO-R
IC1201 6PIN AUDIO-R
Replace the DVD Main CBA Unit or DVD Mecha.
Replace the DVD Main CBA Unit.
Check or replace IC1201.
Check the periphery of Pins(1,7) of IC1201
and JK1201.
and JK1201.
Check each line between each pin of CN1601
and each pin of IC1201 on the AV CBA.
and each pin of IC1201 on the AV CBA.
CN1601 16PIN
→ IC1201 2PIN AUDIO-L
CN1601 18PIN
→ IC1201 6PIN AUDIO-R
Are the analog audio signals inputted to each pin
of IC1201.
of IC1201.
Are the analog audio signals inputted to each pin
of IC1201?
of IC1201?
Are the audio signals outputted to the specific
output terminal?
output terminal?
Are the audio signals outputted to the L/R OUT
terminal (JK1201)?
terminal (JK1201)?
Yes
Yes
Yes
Yes
No
No
No
No
No
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