Wheel Assembly, Pb Circuit Board; Wheel, Mod Circuit Board; Sw Circuit Board; Vr Circuit Board - Yamaha PSR-S710 Service Manual

3.

Wheel Assembly, PB Circuit Board

(Time required: About 8 minutes)
3-1 Remove the lower case assembly. (See procedure 1.)
3-2 Remove the two (2) screws marked [570A]. The PB
circuit board can then be removed with the wheel
assembly. (Fig. 2)
* The wheel assembly is not part of the PB circuit
board. When replacing the PB circuit board, remove
the wheel assembly from the PB circuit board, and
install it on the new circuit board.
4.

Wheel, MOD Circuit Board

(Time required: About 8 minutes)
4-1 Remove the lower case assembly. (See procedure 1.)
4-2 Remove the two (2) screws marked [570B]. The MOD
circuit board can then be removed with the wheel.
(Fig. 2)
* The wheel is not part of the MOD circuit board. When
replacing the MOD circuit board, remove the wheel
from the MOD circuit board, and install it on the new
circuit board.
<Bottom view>
LVDS
(PSR-S910)
BL
(PSR-S710)
[570E]
ENC
UPPER CASE ASSEMBLY
LANL
[140C] [140C]
[570D]
[140]: BIND HEAD TAPPING SCREW-B 3.0X8 MFZN2W3 (WE774301)
[570]: BIND HEAD TAPPING SCREW-B 3.0X8 MFZN2W3 (WE774301)
5.

SW Circuit Board

(Time required: About 8 minutes)
5-1 Remove the lower case assembly. (See procedure 1.)
5-2 Remove the two (2) screws marked [140B]. The SW
circuit board can then be removed. (Fig. 2)
* The push knob is not part of the SW circuit board.
When replacing the SW circuit board, remove the
push knob from the SW circuit board, and install it
on the new circuit board. (Fig. 3, Photo 2)
6.

VR Circuit Board

(Time required: About 9 minutes)
6-1 Tie a string or the like to the volume knob. Then, pull
the string to remove the volume knob from the control
panel side. (Fig. 3, Fig. 4)
6-2 Remove the lower case assembly. (See procedure 1.)
6-3 Remove the three (3) screws marked [570C]. The VR
circuit board can then be removed. (Fig. 2)
[570E]
Fig. 2
PSR-S710/PSR-S910
[140B]
[570C]
[570A]
[140A]
[570B]
HP
* This figure shows the PSR-S910.
SW
VR
MOD
PB
13