Yamaha DVD-S559MK2 Service Manual - page 9
DVD-S559MK2
9
■ DISASSEMBLY PROCEDURES
1100
1201
1201
CN101
Power Supply Unit
DVD Mechanism
1103
1102
1101
1200
FRONT (2) P.C.B.
View A
FRONT (1) P.C.B.
CN3
1207
1205
CN1
MONO P.C.B.
A
AV P.C.B.
a
c
b
Bottom
Rear
Front
Tray
Screw Driver
Slider
Optical Pick Up
Solder
Top Cover [240]
Remove 2 screws [250] and 3 screws [251].
(2 on side and 3 on rear side)
Lift cover from rear side to remove.
DVD Mechanism [1300-1]
Solder the lauds of the optical pick up. (Fig. 3)
Unlock tray lid and close tray.
Remove 4 screws (DVD mechanism to frame).
Lift DVD mechanism up slightly and move it backward
to remove.
MONO P.C.B. [1003]
Solder the lauds of the optical pick up. (Fig. 3)
AV P.C.B. [1002]
Remove 3 cable connections.
[1100] [1200] [1201]
Remove 5 screws [260]
(P.C.B. to rear panel).
Release 2 spacers locking (P.C.B. to frame).
Dismount P.C.B..
Power Supply Unit [1005]
Remove 3 cable connections. [CN101] [CN1] [CN3]
Remove 2 screws [255] (P.C.B. to frame).
Release 2 spacers locking (P.C.B. to frame).
Dismount power supply unit.
FRONT (1) P.C.B. [1001 (1)]
Remove 4 screws [260] (P.C.B. to front
panel).
Dismount P.C.B..
FRONT (2) P.C.B. [1001 (2)]
Remove 1 screw [260] (P.C.B. to front
panel).
Dismount P.C.B..
Remove 1cable connection. [1200]
Front Panel [101]
Remove 2 cables connections. [1205] [CN3]
Open tray. (Fig. 2)
Unlock tray lid and close tray.
Remove 2 screws [255] (Front panel to bottom).
Unlock front panel by releasing successively 4 snaps (2 on the
side and 2 on the bottom).
Mounting
Dismounting
See REPLACEMENT PARTS LIST for item numbers.
2.7 mm
When disassembling, use the special screw driver with tip shape in figure.
T10
Remove 6 cable connections.
[1101] [1102] [1103] [1201] [1205] [1207]
Remove 3 screws [255] (P.C.B. to frame).
Dismount P.C.B..
Remove 3 cable connections. [1101] [1102] [1103]
Open tray. (Fig. 2)
How to manually eject the tray
a. Turn the player bottom up.
When replacing the MONO P.C.B. or DVD mechanism, solder between lands of the optical
pick up P.C.B. to protect the laser diode against electrostatic breakdown.
b. Move the slider in the direction indicated
with a screw driver until the tray is ejected.
c. Gently pull the tray out.
Preventive measure for laser diode from electrostatic breakdown
Cable connections
Notes
• Use an anti-static soldering iron to short-circuit and unshort-
circuit laser diode.
• After you have finished repairing, remove the solder from the
short-circuit location.
Fig. 3
Fig. 1
Fig. 2
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299