Sharp LC-20S4U-S Service Manual And Parts Listparts List page 10

LC-20S4U-S
10. Remove the 2 lock screws from the main PWB, and undo the claws a and b. Detach the main PWB by lifting the
area around the claws and pulling the PWB out.
11. Remove the 3 lock screws from the analog PWB, and undo the claws c and d. Detach the chassis frame (right)
from the analog PWB by pulling out the terminals. In the same way, undo the claws e and f, and detach the
chassis frame (left) from the analog PWB by pulling out the terminals.
Note: When detaching the main PWB and analog PWB, be careful not to break the PWB-fixing claws.
12. Remove the operation PWB fixing screws (5 pcs.)
13. Remove the inverter PWB fixing screws (2 pcs.)
14. Remove the R/C, LED PWB fixing screws (2 pcs.)
15. Remove the 3 lock screws each from the right and left speakers and take out both the speakers.
10
Main PWB
b
Chassis Frame (R)
Analog PWB
a
c
d
Speaker (R)
15
11
Operation PWB
e
f
14
10
12
13
Inverter PWB
Speaker (L)
15