Sony DVP-FX870 / DVP-FX875 Service Manual ▷ View online
8-4
START
Power on
Power
green LED
on
Do all
the buttons work
normally?
Does
remote control work
normally?
Check P_3V3
Check IC MT1389
Does IR1 work
by testing waveform
normally?
Is battery OK?
Check
J2 on the
mainboard
Check IC MT1389
Replace IC MT1389
Replace IC MT1389
Replace battery
Replace IR1
Check the buttons
Is P_3V3 OK?
Do
the U6 work
normally?
Check power
Replace U6
3. Front Circuit (Dogotrpm & key)
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
YES
YES
NO
NO
NO
NO
NO
NO
NO
8-5
Put disc in?
Disc ID is correct?
Does
spindle
rotate?
rotate?
Focus on OK?
Track on OK?
DISC is play?
Check RF signal waveform
Proper signal
on A, B, C, D of
MT1389?
Proper
FO+ & FO signal
on MT1389?
Proper
FOSO signal on
MT1389?
Check the related
circuit on MT1389
Check the TRSO
connection on MT1389
and motor driver
Check the tracking
control amp circuit
on motor driver
Proper
TRSO signal on
MT1389?
TR+ & TR out
properly?
Check cable connection on pick up head
Check the cable connection on pick up head
Check the related
circuit on MT1389
FO+ & FO signal
Check connection
between MT1389
and pick up head
Check the RF
connection between HA1
and MT1389
Proper
DMSO signal on
MT1389?
Check the cable connection between spindle and main PCBA
Check the related
circuit on MT1389
RFL signal
Check DMSO related
circuit on MT1389
No disc (laser off)
4. RF/Servo Circuit
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
8-6E
Display condition
Inverter abnormal
Replace
VCC5V normal
PNL_DVDD normal
VGH normal
VGL normal
Y1 operate
Video_Y, Video_C
Is M1, U3 OK?
Is U2 OK?
Is U1 OK?
SDA, SCL signal
R, G, B signal output
TFT LCD normal
Check CN5
Check M1
Check BD1
Check BD2, BD3
Replace Y1
Check R15, R16, C82, R12, R13, C80
Replace M1, U3
Replace U2
Replace U1
Check R30, R31, R32, R33
Check RP1-RP6
Replace
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Appear shadow from interference in black background
There is only bright (LCD B/D) abnormal
8-2. LCD TROUBLE SHOOTING GUIDE
9-1
DVP-FX870/FX875
NOTE:
• -XX and -X mean standardized parts, so they may
have some difference from the original one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color
Cabinet's Color
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
should be anticipated when ordering these items.
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Accessories and packing materials are given in the
last of the electrical parts list.
•
Abbreviation
AZ
AZ
: Australian and New Zealand models
RUS
: Russian model
SP
: Singapore model
TH
: Thailand model
SECTION 9
REPAIR PARTS LIST
9-1.
EXPLODED VIEWS
9-1-1.
MAIN BLOCK
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
9-885-103-46 FOOT RUBBER (091-0001-261)
2
A-1540-697-A BOTTOM COVER ASSY (030-0001-663)
(FX870: BLACK/FX875)
2
A-1540-800-A BOTTOM COVER ASSY (030-0004-663)
(FX870: BLUE)
0 3
9-885-119-68 TRAVERS (2Q010SQ01-770-G)
4
A-1554-265-A MAIN BOARD (02-01041068-00)
(FX870: AEP, UK/FX875)
4
A-1554-266-A MAIN BOARD (02-01041093-00) (FX870: RUS)
upper block
not supplied
not supplied
not supplied
4
1
1
1
3
2
not supplied
not supplied
not supplied
not supplied
not supplied
6
5
4
A-1557-106-A MAIN BOARD (02-01041094-00)
(FX870: SP, TH)
4
A-1557-115-A MAIN BOARD (02-01041095-00) (FX870: AZ)
5
9-885-108-32 SHEET, OPEN PREVE (086-0001-041)
0 6
9-885-122-21 NP-FX110 (79-11000009-96) (Battery Pack)
(FX870: RUS, AZ, SP, TH)
0 6
9-885-125-38 NP-FX110 (79-11000009-97) (Battery Pack)
(FX870: AEP, UK/FX875)
The components identified by mark
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
Click on the first or last page to see other DVP-FX870 / DVP-FX875 service manuals if exist.