Dml Circuit Board; Dmh Circuit Board; Djk Circuit Board - Yamaha PSR-S710 Service Manual

10. DML Circuit Board (PSR-S710),
DMH Circuit Board (PSR-S910)
(Time required: About 8 minutes)
10-1 Remove the lower case assembly. (See procedure 1.)
10-2 PSR-S710: Remove the four (4) screws marked
[140D]. The DML circuit board can then
be removed. (Fig. 6)
PSR-S910: Remove the eight (8) screws marked
[140E]. The DMH circuit board can then
be removed. (Fig. 6)
* MAC (Media Access Control) address is stored in
the DML circuit board (PSR-S710) and DMH circuit
board (PSR-S910). When the DML circuit board or
DMH circuit board is replaced, MAC address will be
changed. (Photo 3)
<Bottom view>
UPPER CASE ASSEMBLY
*1: This figure shows the PSR-S710.
[140G] [160A]
[160A]
[140G]
*1
[140F]
[140G]
DJK
DML
[140D]
11.

DJK Circuit Board

(Time required: About 10 minutes)
11-1 Remove the lower case assembly. (See procedure 1.)
11-2 Remove the fi ve (5) screws marked [140F]. The
shield cover U can then be removed together with the
DML circuit board (PSR-S710) or DMH circuit board
(PSR-S910). (Fig. 6)
11-3 Remove the EL adhesive tape. (Photo 4)
11-4 PSR-S710: Remove the four (4) screws marked
PSR-S910: Remove the four (4) screws marked
* The EL adhesive tape is not part of the DJK circuit
board. When replacing the DJK circuit board, remove
the EL adhesive tape from the DJK circuit board, and
install it on the new circuit board.
DJK
A
[140G] [140G]
DMH
[140E] [140E] [140F]
<A View>
[140H]
(PSR-S910 only)
[140]: BIND HEAD TAPPING SCREW-B 3.0X8 MFZN2W3 (WE774301)
[160]: PW HEAD TAPPING SCREW-B 3.0X12 MFZN2W3 (WF00210R)
Fig. 6
PSR-S710/PSR-S910
[140G] and the screw marked [160A]. The
DJK circuit board can then be removed.
(Fig. 6)
[140G], the screw marked [140H] and the
screw marked [160A]. The DJK circuit
board can then be removed. (Fig. 6)
[140F]
SHIELD COVER U
* This figure shows the PSR-S910.
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