Yamaha Portatone PSR-E303 Service Manual page 10

PSR-E303/YPT-300
Top view
Rubber Contact
[180A]
61L
9
2 3
11. How to Remove Spring Terminals
A Spring Terminal A, Spring Terminal B
11-1 Remove the lower case keyboard assembly.
(See procedure 7)
11-2 Remove the keyboards from C1 to B2.
(See procedure 8)
11-3 Remove the battery connector assembly soldered
to the spring terminal A and spring terminal B.
(Photo. 3)
11-4 Reverse the lower case keyboard assembly and
remove the battery lid assembly. (Fig. 1)
11-5 Lift the spring terminal A a little and slide it in the
upper right direction to remove it. (Fig. 7)
11-6 Remove the hook for the spring terminal B to pull it
out from inside. (Fig. 7)
Spring Terminal B
Soldering
Battery Connector Assembly
10
Rubber Contact
Rubber Contact
[180A] [180A]
[190A]
[180]: Bind Head Tapping Screw-B 3.0X8 MFZN2Y (EP600250)
[190]: Bind Head Tapping Screw-P SP 3.0X12 MFZNBL (VZ313100)
61L
10 11
4 5 6
Spring Terminal A
(Photo.3)
[180A] [180B]
Rubber Contact
[190A]
(Fig.6-1)
12 6
7 8 1 1 3
(Fig.6-2)
B Spring Terminal C, Spring Terminal D
11-1 Remove the battery lid assembly at the bottom side
of the lower case keyboard assembly.
11-2 Remove the hooks to pull out the spring terminal C
and spring terminal D. (Fig. 7, 8)
Spring Terminal A
Spring Terminal C
Rubber Contact
[180B] [180B]
[190B]
61H
7 8
4 5 2
Spring Terminal D
Spring Terminal B
Hook
Hook
(Fig.7)
Spring Terminal C
Hook
(Fig.8)
61H
Hook