Panasonic HTB4152B/12 Service Manual page 32

8-3
Touch Board Circuit Diagram:
A
1
VOLUME-
SOURCE
STANDBY
OPEN/CLOSE
VOLUME+
2
3
4
A
B
PAD601 PAD601 S0
S1
PAD602 PAD602
PAD603 PAD603 S2
PAD604 PAD604 S3
PAD605 PAD605 S4
C630 C630 C631 C631 C632 C632 C633 C633 C634 C634
NC NC NC NC NC NC NC NC NC NC
GNDA
ESD Rreserved
GNDA
CON606 CON606
5pin/1.0mm 5pin/1.0mm
5 GNDA
5
4 3.3V_STBY
4
3 GNDA
3
2 5701_SCL_A
2
1 5701_SDA_A
1
B
C D
3.3V_STBY
R669 R669
C627 C627 C637 C637
1M 1M
GNDA
1 24
SI[5] OUT2
2 23
SI[6] OUT3
3 22
SI[7] OUT4
4 21
WT5701-UG321
SI[8] OUT5
5 20
SI[9] PWMO[0]
6 19 5701_SCL_A
SI[10] SCL
7 18 5701_SDA_A
SI[11] SDA
8 17
TEST PWMO[1]
U604 U604
WT5700-UG321 WT5700-UG321
GNDA
C D
8-3
E
1
2
3
4
E