DOWNLOAD Sony DVP-FX700 Service Manual ↓ Size: 7.72 MB | Pages: 89 in PDF or view online for FREE

Model
DVP-FX700
Pages
89
Size
7.72 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD
File
dvp-fx700.pdf
Date
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Sony DVP-FX700 Service Manual ▷ View online

9-1
1. Power (DC-DC Converter) Circuit
A.
NO POWER ON
by ADAPTOR
NO POWER ON
by BATTERY
Is ADAPTOR 
OUT 9.8V?
Is BATT ERY OK?
Is F901 OK?
Is F101 OK?
Is LF101 OK?
Replace F101
YES
Is
Is F102 OK?
 D101 OK?
Replace D101
Replace ADAPTOR
NO +1.8V
Is Q109 OK?
NO  -5V
NO + 5V
NO +3.3V
NO LCD POWER
Replace
Q109
Is E+5V OK?
Is Q112 OK ?
Is Q113 OK?
Replace
Q110
Replace
Q112
Replace
Q113
Is Q106 OK?
Replace
Q106
Replace IC104
Replace IC170
Replace L437
Is Q101 OK?
Is Q101 OK?
Is Q107 OK?
Replace
Q101
Replace
Q101
Replace
Q107
Replace IC108
Is Q102 OK?
Replac F102
Is Q105 OK?
Replace Q105
Replace BATTERY
Replace F901
Replace
Q102
Is Q102 OK?
Replace
Q102
Replace LF101
NO
NO
YES
SECTION  9
TROUBLESHOOTING
DVP-FX700
9-1. ELECTRICAL TROUBLE SHOOTING GUIDE
9-2
AUDIO OUT ABNORMAL
VIDEO OUT ABNORMAL
Check Audio Jack &
Mode S/W
Check +5V , -5V
Check Signals  
from
 
MPEG
Is Q304
   OK ?
I
Is IC304 OK?
s Q303 OK?
Is IC303 OK ?
Is IC302 OK ?
Replace IC301
Replace
Q304
Replace
I
Replace
IC304
C303
Replace
IC303
Check Video Jack &
Mode S/W
Check Video signals
from MPEG
Check TR. Buffer
(Q423, Q421, Q430)
Check LC Filter
AUDIO IN/SPEAKER
ABNORMAL
Check Audio Jack &
Mode S/W
Is Q305 OK ?
VIDEO IN ABNORMAL
Check Video Jack &
Mode S/W
Is IC401 OK ?
Check TR. Buffer
(Q423, Q421, Q430)
Is VR300 OK ?
Replace
Q305
Replace
VR300
Is Speakers OK ?
Replace
Speakers
Replace IC306
Replace
IC461
Refer to LCD part
B. Audio Out abnormal 
C. Video Out abnormal
D. Audio In/Speaker abnormal 
E. Video In abnormal
9-3
Check the disc.
If OK
YES
(If OK)
YES
(If OK)
Refer to Servo part
Check MPEG_CLK Signal
of MPEG part
Check DSP
Check MPEG
YES
(If OK)
Replace B/D
PICTURE ABNORMAL
Check Disc
YES
(If OK)
YES
(If OK)
Refer to Servo part
Replace B/D
DISC ERROR
Check the
connection of CON 901
Check IC201 pin47.
YES
NO
NO
YES
YES
(If OK)
YES
Reconnect it.
Refer to SERVO part.
Check the connection of MD.
OPEN/CLOSE ABNORMAL
F. Picture abnormal
H. Open/Close abnormal
G. Disc Error
9-4
2. MPEG Circuit
Power is on
Does Logo appear
on the screen?
Does the
moving picture of the DVD Disc
play on the screen
normally?
Is MPEG data signal normal?
Is error signal normal?
Is MPEG data signal normal?
Is Clock normal?
Does the audio
signal output from MPEG
decoder?
Does the
moving picture of the video
CD play on the screen
normally?
Does the audio sound
output normally?
END
Check power & clock.
Check CD/DVD DSP output
signal.
Check MPEG Decoder input
signal.
Check CD/DVD DSP output
signal.
Check MPEG Decoder input
signal.
Check CD/DVD DSP output
signal.
Check MPEG Decoder input
signal.
Check clock signal
Check clock signal
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
OK
OK
OK
OK
NO
NO
NO
NO
NO
OPTION
If included VCD function.
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