Service manual

XE-A201US
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4. RS232C DRIVER PWB CIRCUIT
/RS
EFCB322513TS X 8
FB8 FB9
VCC
VCC
C1+
12
C1-
14
C2+
15
C2-
16
T1IN
7
T2IN
6
T3IN
20
T4IN
21
R1OUT
8
R2OUT
5
R3OUT
26
R4OUT
22
R5OUT
19
/EN
24
V+
13
V-
17
T1OUT
2
T2OUT
3
T3OUT
1
T4OUT
28
R1IN
9
R2IN
4
R3IN
27
R4IN
23
R5IN
18
/SHDN
25
V C C
1 1
1 0
1 0
IC14
HIN211
C84
0.1uF
C85
0.1uF
C86
0.1uF
C87 0.1uF
C88 10uF/50V
C89
0.1uF
P64
P64
(BUSY:FOR BOOT)
R242 10K
R243
10K
R247
10K
P74 P67
P66 P75 P77 P76 P91
P74 P67 P66 P75 P77 P76 /S9
P91
/S9
D16
1SS353
Q14
KRC111S
C90 C91 C92 C93
1000pF*5
/ER /SD /CD
/CI
/DR /CS
VCC
RD
C94
R108 R109 R110 R111 R112
100ohm*5
FB10 FB11 FB12 FB13 FB14 FB15
jumper
JP4
JP3
/CD /SD /ER /DR /RS /CS
RD
1 2 3 4 5 6 7 8 9
CN9
87203-6066
/CI 5V