Disassembly; Disassembly For Keyboard Side - Casio BN-10 Service Manual & Parts List

11. DISASSEMBLY

* Refer to 13. EXPLODED VIEW (the parts (

11-1. Disassembly for keyboard side

1. Slide the battery switch
2. Remove the battery cover
3. Remove two screws S1 .
4. Remove the lower case
* At this time, take care not to break ribs.
<Upper case side>
Keys
<Lower case side>
5. Remove the reset rubber key
6. Remove the button
7. Remove the battery switch
8. Remove the lever
9. Remove the switch
10. Remove three screws S2 .
11. Remove two flat cables
12. Remove two flat cables
13. Remove a screw S3 .
14. Remove the inner case
15. Remove the rubber key for P button
16. Remove the cover
* Take care not to lose the tiny spring
17. Remove the FPC
18. Remove the black wire WIR1 soldered to the main PCB ASSY
19. Remove the carbon sheet
20. Remove six screws S4 and two washers W1 .
21. Remove Main PCB ASSY
22. Remove the rubber sheet
23. Remove keys (
24. Remove the sheet for mode keys
25. Remove the shield plate
26. Remove the carbon sheet
g
on the back of the BN Unit to the REPLACE BATTERIES position.
]
.
[
(+ the cover
Blade of opener
k
taken in the lower case
_
.
g
.
d
.
h
for MODEM.
e f
from two connectors (CN101 and CN102) as shown below.
Flat cables and FPC etc.
e f
from two connectors (CN301 and CN302) as shown above.
\
.
k
c
and tiny spring
j
H
from the connector CN601 .
S
from the connector CN103 as shown to the item 11.
R
.
Q
.
O UV W Y
) .
T
.
Z
.
S
.
— 58 —
B N
and ) are used for only BN-20).
a
) using an opener as shown below.
[
.
UP
CNXXX
connector (0.5 mm pitch)
PCB
taken in the inner case
j
.
.
\
.
R
.