Disassembly Procedures; The Way To Remove Tray - Yamaha DVD-S520 Service Manual

DISASSEMBLY PROCEDURES

See exploded view for item numbers.
Front panel ass'y
⇒ open tray.
⇒ remove cover tray 19.
⇒ remove 2 screws 35
(front panel 1 → frame).
⇒ unlock front panel from
frame by releasing
successively 6 snaps ( on
the left, on the bottom and
on the right) with taking care
to avoid breaking snaps.
⇒ remove 2 connectors (on
mono board and on P.S.U.).
⇒ put front panel ass'y.
Display board 53
⇒ Remove 7 screws 36
(board → front), pay
attention to earth spring.
⇒ demount board.

The way to remove tray

1. Push left end of the lever under the tray toward the right
by using screwdriver, move the tray by pulling it
forward. (Fig. 1)
Top Cover 32
⇒ Remove 7 screws 33.
⇒ Lift cover at rear side to
remove.
DVD MODULE
⇒ Remove tray of
DVD Mechanism.
⇒ Remove connections to
Mono board.
⇒ remove 4 screws 35
⇒ demount module.
DVD MONO Board 18-2
⇒ Remove flex connections to
turntable motor and sledge
motor.
⇒ remove 4 screws (mono
board 18-2 → DVD
mechanism 18-1)
⇒ remove carefully flex
connection to OPU and wire
connection to tray motor.
⇒ demount board.
Standby board
⇒ Remove 2 screws 36
( board → front).
⇒ demount board.
Fig. 1
mounting
↑
↓
demounting
A/ V board 52
⇒ remove flex connections to
Mono board.
⇒ remove 8* screws 35, 36
* 7 screws (B, G model).
⇒ release snaps of 2 spacers.
⇒ demount board.
When disassembling, use the special screw driver with tip
shape in figure.
T10 2.7 mm for screws with 33, 35 and 36
1.7 mm for removing MONO board (18-2) from
T6
DVD Mechanism (18-1)
2. While lifting up the lever (1), move the left side of the
tray by pulling it forward (2). (Fig. 2)
3. While lifting up the tray (3), remove the tray by pulling it
forward (4). (Fig. 2)
1
2
DVD-S520/DV-S5450
Power supply unit 55
⇒ remove connections.
⇒ remove 2 screws 35
(board → frame).
⇒ release snaps of 2 spacers
(board → frame).
⇒ demount board.
3
4
Fig. 2
8