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For U.S.A., Canada, Europe, Asia,
& Japan model




SERVICE MANUAL
MODEL DVD-3910
DVD AUDIO-VIDEO / SUPER AUDIO CD PLAYER




For purposes of improvement, specifications and
design are subject to change without notice.



Please use this service manual with referring to the
operating instructions without fail.


Some illustrations using in this service manual are
slightly different from the actual set.




Tokyo, Japan


X0200V.01 DE/CDM 0407
DVD-3910



SAFETY PRECAUTIONS

LEAKAGE CURRENT CHECK



LASER RADIATION




500V


1M


(1)




(2)




(1)

(2)




2
DVD-3910

WIRE ARRANGEMENT
If wire bundles are untied or moved to perform adjustment
or parts replacement etc.,be sure to rearrange them neatly
as they were originally bundled or placed afterward.
Otherwise, incorrect arrangement can be a cause of noise
generation.
Wire arrangement viewed from the top




(Europe model only)




3
DVD-3910

DISASSEMBLY
(Follow the procedure below in reverse order when reas-
sembling.)



(Disassembly and abandonment)

(1)Disassembly of a set (1)
It decomposes according to a work procedure 1. 11. 1. 11.
clause. (2)
(2)Judgment of use parts (c, , , )
It classifies according to the discernment signs in a (3)
figure (c, m, s, p, etc.).
(3)Abandonment of parts
Each part article is discarded according to the
specification abandonment method of each
self-governing body.


No. Part Name Q'ty Material Weight No. Part Name Q'ty Material Weight
1 Loader Panel ass'y (1) - 15g 1 Top cover (1) SECC+PVC 1,325g
2 DVD mechanism ass'y (1) - 1,053g 2 Front angle (1) SECC 147g
3 Power P.W.B. ass'y (1) - 297g 3 Ieee1394 top Shield (1) SPCC 57g
4 Ac inlet (1) - 9g 4 Ieee1394 bottom Shield (1) SECC 92g
5 Ferrite core & 3P VH wire (1) - 34g 5 Rear panel (1) SECC 300g
6 Video P.W.B. ass'y (1) - 154g 6 Mecha base (1) SECC 805g
7 Scart P.W.B. ass'y (1) - 40g 7 Bottom cover (1) SECC 1,750g
8 Audio P.E.B. ass'y (1) - 166g 8 Chassis (1) SECC 1,730g
9 IEEE1394 P.W.B. ass'y (1) - 84g 9 Spring (1) SUS304 1g
10 System P.W.B. ass'y (1) - 215g Front panel (1) A6063SS 345g
10
11 D12mm knob ass'y (1) - 3g (Metals) totals 6,553g
12 Display P.W.B. ass'y (1) - 128g
13 Power-1 P.W.B. ass'y (1) - 15g No. Part Name Q'ty Material Weight
14 Power knob(MAIN) ass'y (1) - 1g 1 Screw 3X6 CBTS(S)-B (48) SW 25g
15 Power-2 P.W.B. ass'y (1) - 7g 2 Screw 4X8 3P (9) SW 15g
SWELLING
16 Power knob(SUB) ass'y (1) - 2g 3 Screw 3X8 CBTS(S)-Z (26) SW 16g
Wire ( the othes ) (1) - 49g 4 Screw 3X8 CBS-Z (2) SW 1g
(Complex) totals 2,272g 5 Screw 3X8 CFTS(S) (2) SW 1g
6 Screw 3X8 FIXING (8) SW 6g
No. Part Name Q'ty Material Weight 7 3 nut for DVI (2) SW 2g
1 P.W.B. support (1) PA66 1g 8 3 nut for RS-232C (2) SW 2g
2 Foot ass'y (4) ABS 82g 9 Screw 3X8 CBTS(P)-B (16) SW 9g
3 P.W.B. spacer (6) PA66 2g Screw 3X10 Special (2) SW 3g
10
4 Lens (1) PMMA 1g Washer (2) SPCC/SK 1g
5 Blind ass'y (1) PVC+ 8g (Screws) totals 81g
6 Inner panel ass'y (1) ABS 261g
7 Part of inner panel (1) ABS 4g Total-Weight 9,270g
8 Rubber sheet (2) CR 3g Single-material Weight 6,998g
9 Rubber sheet (1) CR 2g Complex-material Weight 2,272g
(Plastics) totals 364g



4
DVD-3910


1. Top cover
(1)Remove 2 screws(s 1) on the rear side and 9
screws(s 2) on the top and the both sides.
Remove 2-washer at the front center on the top.
(2)Widen the Top cover a little laterally, then detach it
with sliding. m 1 Top cover


2
1
2
2-washer




2


2. Front panel sub ass'y & etc.
2-1.When the Disc tray can be ejected electrically.
(1)Switch on , and press OPEN/CLOSE button to
open the Disc tray.
(2)Detach the Loader panel ass'y by lifting.
(3)Close the Disc tray.
(4)Disconnect the wire [CX031] [CX025] [CY211]
connecting a 1 From the Front panel sub ass'y.
(5)Remove 4 top screws(s 1) and 4 bottom screws
(s 1) , then detach the Front panel sub ass'y .
(6)Remove 2 top screws(s 3) , then detach the m2 :
Front angle. Use 2 pieces of F.Angle for Japan.
2-2.When the Disc tray cannot be ejected
electrically.
(1)Insert a driver into the left 8mm hole , and push
the Plate Gear of the DVD Mechanism , to open the
Disc Tray. (Arrow direction)
(2)The same steps described on 2-1.(2) (6).

1 Loader panel ass'y
m 2 Front angle

3
m 2 Front angle
(only Japan) 1

3
(only Japan)


1




Front panel sub ass'y




5
DVD-3910


3.DVD mechanism ass'y
(1)Remove 4 screws(s 3) on the top side.
(2)Disconect [CY251] [CY301] [CY171] [CX331] [CY101]
from the MAIN P.W.B.(GU-3618).
(3)Take the DVD mechanism ass'y(c 2) off.
3




c 2 DVD mechanism ass'y




4.Power P.W.B. ass'y etc.
4-1.Power P.W.B. ass'y
(1)Remove 2 side screws(s 4) and 5 top screws
(s 3). Screw 1P-3P EH CON.CORD together at near
the [CX131] ( only JAPAN ).
(2)Disconnect the wire [CX131] [CX051] [CX024]
connecting 5 Power P.W.B. ass'y.


(3)Detach the c 5 : Power P.W.B. ass'y.


4-2.AC INLET
(1)Remove 2 rear screws(s 5).
(2)Disconnect the STO terminals from 4 Ac inlet.
(3)Detach the c 4 : Ac inlet.


4-3.Ferrite core & 3P VH wire
(1)Cut 3 clamper on the left side of the chassis.
(2)Detach the c 5 : Ferrite core & 3P VH wire.

c 3 Power P.W.B. ass'y
c 1P-3P EH CON.CORD (only Japan)
3
4 Ac inlet

5




4


c 5 Ferrite core & 3P VH wire


clamper




6
DVD-3910


5.Video P.W.B. ass'y and Scart P.W.B. ass'y
5-1. Video P.W.B. ass'y
(1)Remove 6 screws(s 1) and 2(Japan :3) screws(s 5)
and 2 Nuts(s 6) on the rear side and 2 screws
(s 3) on the top side.
(2)Disconnect [CY174] from the Hdmi P.W.B. ass'y
(GU-3613-3).
(3)Take the Video P.W.B. ass'y(c 6) off.


5-2.Scart P.W.B. ass'y
(1)Remove 2 screws(s 5) on the rear side.
(2)Disconnect [CX053] from the Audio P.W.B. ass'y
(GU-3614-1)and [CX121] from the Video P.W.B.
ass'y(GU-3613-2).
(3)Take the Scart P.W.B. ass'y(c 6) off.

c 7 Scart P.W.B. ass'y( only Europe )

c 6 Video P.W.B. ass'y 3




5( only Europe )



6
5
1

5( only Japan )


6.Audio P.W.B. ass'y
(1)Remove 2 side screws(s 1) and 4 side screw(s 5)
and 2 top screws(s 3).
(2)Disconnect the wire [CY061][CY072][CY332]
connecting 8 Audio P.W.B. ass'y. Disconnect
1P-3P EH CON.CORD from the EH base (only
JAPAN).
(3)Detach the c 8 : Audio P.W.B. ass'y.

c 1P-3P EH CON.CORD (only JAPAN)

c 8 Audio P.W.B. ass'y 3




1


5




7
DVD-3910


7.IEEE1394 sub ass'y
(1)Remove 2 rear screws(s 1) and 1 top screw(s 3).
(2)Disconnect [CY071] [CY173] [CY191].
(3)Remove 2 top screws(s 1) .
(4)Take the IEEE1394 P.W.B. ass'y(c 9) off.




3 1 BASS RUBBER(S) (only JAPAN)

c 9 IEEE1394 P.W.B. ass'y 3 Ieee1394 top Shield




1


m 4 Ieee1394 bottom Shield




8.System P.W.B. ass'y
(1)Remove 1 screw(s 1) , 2 screw(s 5) and 2 nuts
(s 6) on the rear and 6 top screws(s 3).
(2)Disconnect [CY131].
(3)Detach the c 10 : System P.W.B. ass'y.




c 10 System P.W.B. ass'y 3




6
1
5




8
DVD-3910


9.Rear panel and Mecha base
9-1.Rear panel
(1)Remove 5 rear screws(s 1) and and 2 top screws
(s 1).
(2)Take the Rear panel(m 5) off.


9-2.Mecha base
(1)Remove 6 screws(s 1) on the top side.
(2)Detach 1 P.W.B. support(p 1) on the bottom.
(3)Take the Mecha base(m 6) off.

1
p BASS RUBBER(L) (only JAPAN)
m 6 Mecha base


m 5 Rear panel

p 1 P.W.B. support
1




1



10.Chassis & Bottom cover
10-1.Bottom cover
(1)Remove 4 bottom screws(s 3) from the Foot ass'y.
(2)Take the Foot ass'y(p 2) off.
(3)Remove 12 bottom screws(s 1).
(4)Take the Bottom cover(m 7) off.


10-2.Chassis
(1)Detach 6 P.W.B. spacer (p 3) on the bottom.
(2)Take the Chassis(m 8) off. 3


m 7 Bottom cover
3
p 2 Foot ass'y 3

p 2 Foot ass'y
3




p 3 P.W.B. spacer



The others screws s 1
p 3 P.W.B. spacer




m 8 Chassis




9
DVD-3910


11.Parts on Front panel sub ass'y(a.1)
11-1.Display P.W.B. ass'y
(1)Remove 7 screws(s 7).
(2)Disconnect [CX052] .
(3)Detach D12mm knob ass'y(c 11).
(4)Take the Display P.W.B. ass'y(c 12) off.


11-2.Power SW-1 P.W.B. ass'y
(1)Remove 2 screws(s 7).
(2)Take the Power SW-1 P.W.B. ass'y(c 13) off.
(3)Take the Power knob(MAIN) ass'y(c 14) off.


11-3.Power SW-2 P.W.B. ass'y
(1)Remove 4 screws(s 7).
(2)Take the Power SW-2 P.W.B. ass'y(c 15) off.
(3)Take the Power knob(SUB) ass'y(c 16) off.
(4)Detach the Lens(p 4).


11-4.Blind ass'y
(1)Remove 2 screws(s 8).
(2)Take the Spring(m 9) and the Blind ass'y(p 5) off.


11-5.Inner panel
(1)Detach 4 top hooks and 4 rear hooks.
(2)Take the Inner panel(p 6) off.


11-6.Front panel
(1)Detach the Part of Inner panel(p 7) and rubber
sheets(p 8,9) by minus(