Service manual

XE-A201US
– 20 –
8 7 6 5 4
3
2 1
A B
C D
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D C
B A
4/4
KEY MATRIX PWB CIRCUIT
4.7K
47K
INPUT
OUTPUT
COMMON
2SD2170
B
C
E
3003.5K
KRA101M, KRA106S
7.2K
2.7K
3K
COMMON OUTPUT GND
INPUT
KID65083
/S0 /S1 /S2 /S3 /S4 /S1
1 2 3 4 5 6 7 8 9
10 11 12
CN21
1.25mm FPC CN
24 12 1 13 36 48
49371422625
39 27 3 15 38 50
51521642840
41 29 5 17 53 54
67 8 910
11 232221201918
30 31 32 33 34 35
474645444342
G N D
PF
12 13
24 25
3736 403938
26 27 28
161514
234 5
17 29 41
1
/ S 7
/ S 6
/ S 5
/ S 4
/ S 3
/ S 2
/ S 1
/ S 0
12345678910
G N D
/ R E S E T
MODE SW
M O R
/ V O N
P 9 1
P 9 2
P 9 3
P 9 4
P 9 5
P 9 6
P 9 7
/S5 /S6 /S7 /S8 /S9
55
431863042
32 31 7 19 44 56
57452082133
34 22 9 10 46 58
5947112335
1234567891
0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
CN22 1.25mm FPC CN
48 49 50 51 52
53 54 55 56 57 58
59