DOWNLOAD Sharp DV-RW250H (serv.man5) Service Manual ↓ Size: 4.36 MB | Pages: 117 in PDF or view online for FREE

Model
DV-RW250H (serv.man5)
Pages
117
Size
4.36 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD / Complete
File
dv-rw250h-sm5.pdf
Date
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Sharp DV-RW250H (serv.man5) Service Manual ▷ View online

TROUBLESHOOTING GUIDE
E-27
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
TUNER AUDIO (STEREO)
DOES NOT APPEAR.
Does TUNER AUDIO
(MONO) appear?
Refer to section "TUNER AUDIO
(MONO) DOES NOT APPEAR".
Refer to section "E-E AUDIO
(STEREO) DOES NOT APPEAR".
Does E-E AUDIO
(STEREO) appear?
At the time of channel change,
does the display of a stereo
come out to the screen?
Is there audio signal at
pin 2 of IC801 ?
Check circuit around of TU301.
Change IC701.
Check IC8001.
Is there audio signal
at pin 41, 44 of IC8001 ?
Check circuit around of J8001.
Change IC701.
Is there audio signal at
pin 78, 80 of IC701 ?
TROUBLESHOOTING GUIDE
E-28
YES
YES
YES
YES
NO
NO
NO
NO
PB AUDIO (Hi-Fi)
DOES NOT APPEAR
Does E-E AUDIO
(STEREO) appear?
Does NORMAL PB
AUDIO appear?
Is there audio signal at
pin 24, 27 of IC701 ?
Is there audio signal at
pin 78, 80 of IC701 ?
Check circuit around of J8001.
Refer to section "E-E AUDIO
(STEREO) DOES NOT APPEAR".
Refer to section "AT PLAY,
AUDIO DOES NOT APPEAR".
Check circuit of HEAD AMP
and CYLINDER UNIT.
Change IC701.
TROUBLESHOOTING GUIDE
E-29
YES
YES
YES
YES
NO
NO
NO
NO
Hi-Fi AUDIO
CAN NOT RECORD
Does E-E AUDIO appear?
AT state of video recording,
is there audio signal at
 pin 11 and 74 of IC701 ?
Is there audio signal at
pin 78, 80 of IC701 ?
At recording and play, is
there signal at pin 7, 8
and 9 of CP101?
Check IC701.
Check CYLINDER UNIT.
Change IC701.
Check circuit around of
J651, J652 .
Refer to section "E-E AUDIO
(MONO) DOES NOT APPEAR".
TROUBLESHOOTING GUIDE
E-30
Yes
No
Yes
DECK DOES NOT ACCEPT
OPEN/CLOSE
Is the voltage at pin 1 of
CP504 about DC12V ?
and pin 4 of CP504 about
DC5V ?
Check P.CON 9V and
P.CON+D5V line of
POWER BLOCK.
No
Is the lose connection
at CD504 to CP504 &
DECK ?
Check CD504 connection
to CP504 and DECK.
Check DECK.
(DVD SECTION)
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