Disassembly Procedures - Yamaha S5770 Service Manual

DISASSEMBLY PROCEDURES

See EXPLODED VIEW for item numbers.
Front Panel [101]
Remove cable connections. [1403] and GND cable 1, 2 (Fig.1)
Open Tray (see HOW TO MANUALLY EJECT THE TRAY).
Unlock Tray lid and close tray.
Remove 7 screws [278] (Front Panel to Frame. 4 on Frame and 3
on bottom). (Fig.1, 2)
Unlock Front panel by releasing successively 4 snaps (2 on the
side and 2 on the bottom). (Fig.1, 2)
Front (1) Display board [1001(1)] Front (2) Key Matrix board [1001(2)]
Remove 4 screws [260]. (Board to Front
Remove 4 screws [260] (Board to
panel).
Front panel).
Dismount board.
Dismount board.
Rear
Top View
[1403]
GND Cable 1
Snap
Front
[278]
Bottom View
Snap
[278]
DVD Mechanism
Remove 2 cable connections. [1700] [1701]
Open tray.
(see HOW TO MANUALLY EJECT THE TRAY)
Unlock Tray lid and close tray.
Remove 4 screws [278] (DVD Mechanism to frame).
L i f t D V D M e c h a n i s m u p s l i g h t l y a n d m o v e i t
backward to remove.
GND Cable 2
HOW TO MANUALLY EJECT THE TRAY
a. Turn the player bottom up.
Snap
b. Move the slider in the direction indicated
with a screw driver until the tray is ejected.
c. Gently pull the tray out.
[278]
Fig.1
Tray
Rear
Front
Fig.2
Mounting
Top Cover [252]
Remove 7 screws [250]
(4 on side and 3 on rear side)
Lift cover from rearside to remove.
Dismounting
PSCAN board [1006]
Remove cable connections. [1501]
Remove 2 screws [260] (Board to rear panel).
Remove 1 screws [278] (Board to frame).
Dismount board.
AV board [1002]
Remove 4 cable connections.
[1400] [1500] [1600] [1403]
Remove 7 (U, R, A) or 9 (G) screws [260]
(Board to rear panel).
Release 2 spacers locking (Board to frame).
Dismount board.
Frame
a
c
When disassembling, use the special screw driver with tip shape in figure.
T10 2.7 mm
Power Supply Unit [1004]
Remove 2 cable connections. [CON1] [CN1]
Remove 2 screws [278] (Board to frame).
Release 2 spacers locking. (Board to frame).
Dismount board.
MONO board
Remove 4 cable connections.
[1400] [1500] [1700] [1701]
Remove 4 screws [278] (Board to frame).
Dismount board.
Rear
Front
DVD-S1500/DV-S5770
b
Slider
Slider
Screw Driver
9