Disassembly Procedure; Lower Case Assembly; Hp Circuit Board - Yamaha PSR-S710 Service Manual

PSR-S710/PSR-S910

DISASSEMBLY PROCEDURE

Precautions
* Disassembly or assembly should be performed on a cloth so as not to damage the LCD.
* Install the fi lament tape and the harness clamp in the same way as they were before removal.
* 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.
* Notes on Flat Cable
Contacts are visible from the back. Pay attention not to insert and install the
cable to the connector inversely. (Photo 1)
1.

Lower Case Assembly

(Time required: About 8 minutes)
1-1 Remove the twenty-eight (28) screws marked [100].
The two bottom boards can then be removed. (Fig. 1)
1-2 Remove the eight (8) screws marked [110], fi ve (5)
screws marked [120], two (2) screws marked [130A]
and two (2) screws marked [130B]. The lower case
assembly can then be removed. (Fig. 1)
<Bottom view>
[110]
[110]
12
LOWER CASE ASSEMBLY
[120]
[100] x 14
[110]
BOTTOM BOARD
[100]: BIND HEAD TAPPING SCREW-B 4.0X16 MFZN2W3 (WF15410R)
[110]: BIND HEAD TAPPING SCREW-B 3.0X12 MFZN2W3 (WE98740R)
[120]: BIND HEAD TAPPING SCREW-B 3.0X16 MFZN2W3 (WE97340R)
[130]: BIND HEAD TAPPING SCREW-B 3.0X30 MFZN2W3 (WF49100R)
Front Side
2.

HP Circuit Board

(Time required: About 8 minutes)
2-1 Remove the lower case assembly. (See procedure 1.)
2-2 Remove the three (3) screws marked [140A]. The HP
circuit board can then be removed. (Fig. 2)
[130A] [120]
[100] x 14
[110]
[130B]
Fig. 1
Back Side
Photo 1
[110]
[110]