Yamaha PortaTone PSR-A300 Servicehandleiding - Pagina 9

Blader online of download pdf Servicehandleiding voor {categorie_naam} Yamaha PortaTone PSR-A300. Yamaha PortaTone PSR-A300 40 pagina's.

Yamaha PortaTone PSR-A300 Servicehandleiding
5.
Speaker
(Time required: About 3 minutes)
5-1
Remove the lower case assembly. (See procedure 1)
5-2
Remove the four (4) screws marked [30]. The
speaker can then be removed. (Fig. 2)
The right and left speakers can be removed in the
same way.
6.
SP Grille
(Time required: About 3 minutes)
6-1
Remove the lower case assembly. (See procedure 1)
6-2
Set the four (8) [A]s parallel to the groove in the upper
case assembly and remove the SP grille. (Fig. 2)
The right and left SP grilles can be removed in the
same way.
7.
Lower Case Keyboard Assembly
(Time required: About 2 minutes)
7-1
Remove the lower case assembly. (See procedure 1)
7-2
Remove the two (2) screws marked [240C] and
screw marked [270B]. The lower case keyboard
assembly can then be removed. (Fig. 2)
Bottom view
PNAM
DMLCD
2/3
PN2
[150]: Bind Head Tapping Screw-B 3.0X8 MFZN2W3 (WE774300)
(Fig.5)
8.
PN1 Circuit Board, PN2 Circuit Board
(Time required: About 3 minutes each)
8-1
Remove the lower case keyboard assembly.
(See procedure 7)
8-2
PN1 Circuit Board
8-2-1 Remove the eight (8) screws marked [150D]. The
PN1 circuit board can then be removed. (Fig. 5)
8-3
PN2 Circuit Board
8-3-1 Remove the five (5) screws marked [150E]. The PN2
circuit board can then be removed. (Fig. 5)
9.
PB Circuit Board
(Time required: About 3 minutes)
9-1
Remove the lower case keyboard assembly.
(See procedure 7)
9-2
Remove the two (2) screws marked [150F]. Then,
while sliding outward the wheel assembly connected
to the PB circuit board, pull the PB circuit board
upward. (Fig. 5)
The wheel assembly is not part of the PB circuit
board. When replacing the PB circuit board, remove
the wheel assembly and install it to the new circuit
board.
PNAM
1/3
1/3
[150E]
[150D]
Wheel Assembly
PSR-A300
PNAM
3/3
PN1
[150D]
PB
[150F]
9