HT-S20R
HT-S20R
26
Sony CONFIDENTIAL
For Authorized Servicer
4-2. PRINTED WIRING BOARD - MAIN Board (SA-WS20R) -
•
: Uses unleaded solder.
• See page 25 for Circuit Boards Location.
Note:
When the IC501, IC502, IC503 on the MAIN board, or the complete MAIN board
is replaced with a new part, spread the compound for heat radiation to the touching
portion between the IC501, IC502, IC503 on the MAIN board and the heatsink.
A
B
C
D
E
1
2
3
4
5
6
7
8
MAIN BOARD
(COMPONENT SIDE)
MAIN BOARD
(CONDUCTOR SIDE)
Ver. 1.2
SYS SET
2021/02/10 22:25:21 (GMT+09:00)