Service Manuals, User Guides, Schematic Diagrams or docs for : DENON DVD DVD-5900 hfe_denon_dvd-a11_5900_service_en_jp

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

Ver. 2
SERVICE MANUAL
MODEL DVD-5900
DVD-A11
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.

16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPAN

X0176V.02 DE/CDM 0310
DVD-5900/DVD-A11 2

SAFETY PRECAUTIONS

LEAKAGE CURRENT CHECK

LASER RADIATION

500V

(1)

(2)

(1)

(2)

2
DVD-5900/DVD-A11 3

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

3
DVD-5900/DVD-A11 4

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

Top Cover
Remove 8 screws on the top and both sides ,
and 3 screws on the rear .
Widen the Top Cover a little laterally , then
detach it with sliding in the arrow direction .
Caution : E3( North America ) have earth
bracket on the both center . TOP COVER

Caution

Front Panel & Loader Panel
. . When the Disc Tray can be ejected electrically .
Switch on , and press "OPEN/CLOSE" button to
open the Disc Tray .
Detach the Loader Panel by lifting int the
arrow direction .
Cloese the Disc Tray .
Disconnect the wire [CY025][CX035][CX172]
connecting from the Front Panel .
Demove 4 top screws and 4 bottom screws , then
detach the Front Panel to the arrow dirrection ,
. . When the Disc Tray cannot be ejected electrically
Insert a ruler into the left hole of DVD Mecha
and push the Plate Gear of the DVD Mecha , to
open the Disc Tray .
The same steps described on . . .

4
DVD-5900/DVD-A11 5

Dvd Mecha Unit
Remove 4 screws on the top side ,
Disconnect [CY101][CY171][CY251][CY301][CX331] ,
from the MAIN P.W.B. .
Take it off in the arrow direction .
10P PH 17P FFC
33P FFC

3T LUG(2)
25P FFC

DVD Mecha Unit 30P FFC

D.POWER P.W.B. & A.POWER P.W.B.
. . D.POWER P.W.B.
Remove 4 screws on the top and 3 ( or 2 )
screws on the side ,
Disconnect [CX024][CX026][CX036][CX042][CX081] ,
from the D.POWER P.W.B. and take off it upside .
. . A.POWER P.W.B.
Remove 4 screws on the top side .
Disconnect [CY032][CX034][CX062] from A.POWER
P.W.B. and [CX031] from VIDEO P.W.B. and take off it .
3P EH
6P VH A. POWER P.W.B.
4P PH
3P VH
D. POWER P.W.B.

3P VH 3T LUG(1)
8P PH
4P PH
3P EH
4P PH
3P VH

5
DVD-5900/DVD-A11 6

Video P.W.B. & Scart P.W.B.
. . Video P.W.B.
Remove 10 ( Japan : 11 ) screws on the rear and
1 screw on the side and 2 screws on the top .
. . Scart P.W.B.
Remove 4 screws on the rear side ,
Disconect [CX031][XX052][CY102] from Scart P.W.B. .
Joint P.W.B.

DVI P.W.B. 10P PH
Video P.W.B. Scart P.W.B. (E2 only)
10P PH
5P PH

3P PH

5P/3P PH

IEEE1394 Unit & Audio P.W.B.
. . IEEE1394 Unit
Remove 2 screws on the rear and 1 screw on
the top .
Disconect [CY191][CY173] from the IEEE1394 Unit .
. . Audio P.W.B.
Remove 7 screws on the rear and 4 screws on
the top .
19P FFC
17P FFC

IEEE1394 Unit

Audio P.W.B.

6
DVD-5900/DVD-A11 7

Power Trans & Rear Panel
. . Power Trans
Remove 2 ( Japan : 4 ) screws on the top .
. . Rear Panel
Remove 2 screws on the top and 3 screws on
the rear .
AC Inlet
Power Trans (Japan)
Power Trans(Export)
YEL
Primary Rear Panel
Secondary
WHT
Primary
45 5
35 5 Secondary

Parts on Front Panel
. . Display P.W.B.
Remove 11 screws on the top .
. . Led P.W.B.
Remove 2 screws on the top .
. . Encoder P.W.B.
Remove 2 screws on the top .
. . P.SW P.W.B.
Remove 2 screws on the top .

Encoder P.W.B.

Display P.W.B.
17P FFC
P.SW P.W.B.

5P PH

(a)
Led P.W.B.

7
DVD-5900/DVD-A11 8

Iop Measurement (Judging for Traverse Unit Replacement) Iop
As to deciding whether optical pickup is defect or not (for replacing traverse unit), follow the steps below.
1. Judging Step
(1) Disc play abnormal 1.
Problems such as disc no read, unsteady playback, etc. (1)
(2) Laser drive current (Iop) check
Check Iop according to the measuring method described in step 2 below.
If the checked value is 1.5 times or more than the initial Iop indicated (2) Iop
on the rear of mechanism unit, the traverse unit should be replaced. 2 Iop
1.5
(3) Replacing traverse unit
Referring to "How to Replace Traverse Unit", replace the traverse unit.
No mechanism adjustment is required as the whole unit is replaced with (3)
a new one.
DVD mA
CD mA DVD mA
CD mA
Laser current initial value on the rear of mechanism
Laser current initial value on the rear of mechanism
2. Iop Measuring Method
DVD laser drive current measuring points 2. Iop
[DVD] Iop silk point

DVD laser drive current measuring points
[DVD] Iop silk point

CD laser drive current measuring points
GU-3512 P.W.B. (foil side)
[CD] Iop silk point
(1) DVD laser drive current measurement CD laser drive current measuring points
GU-3512 P.W.B. (foil side)

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