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4. TROUBLESHOOTING
4.15 Navigation KEY Problem
TEST POINT
CIRCUIT DIAGRAM
C1002
2.2u
1
P0_1
2
P2_7
3
P2_5
4
P1000
P2_3
5
P1001
P2_1
6
P3_3
P1002
7
P1003
P3_1
8
SENSE8
P1_7
TOUCH_CLK
TOUCH_DAT
TOUCH_INT
3V3_VTOUCH
24
P0_0
SENSE4
23
P2_6
SENSE2
22
U1000
P2_4
21
CY8C21434
P2_2
SENSE0
20
P2_0
19
P3_2
18
P3_0
17
XREX
U1000
3V3_VTOUCH
R1001
1K
TOUCH_CLK
AXK8L10125G
- 98 -
R1003
R1002
R1001
VBAT
CN1000
G1
1
10
2
9
1K
R1002
3
8
4
7
R1003
1K
5
6
G2
TOUCH_DAT
TOUCH_INT
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