Service manual

PC-UM10M
XE-A403 CIRCUIT DIAGRAM AND PWB LAYOUT
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C D
B A
C
D
B A
87654321 8
7654321
RS232C DRIVER
EFCB322513TS X 8
/CI 5V
1000pF*5
100ohm*5
P64
/RS
P74
/ER
P67
/SD
/CD
P66
RD RD
/SD
P75
/CD /ER
/CI /DR
/RS
P77
/DR /CS
P76
/CS
/S9
P91
P74 P67 P66 P75 P77 P76 P91 P64
/S9
VCC
VCC
VCC
VCC
C103 0.1uF
R147
10K
R146
10K
C102
0.1uF
CN7
RS232C CN(D-SUB 9Pin)
1 2 3 4 5 6 7 8 9
FB5
Q15
KRC111S
R148
10K
C107
C101
0.1uF
IC29
HIN211
12 14 15 16
7 6
20 21
8 5
26 22 19 24
13 17
2 3 1
28
9 4
27 23 18 25
1110
C1+ C1
-
C2+ C2
-
T1IN T2IN T3IN T4IN R1OUT R2OUT R3OUT R4OUT R5OUT /EN
V+
V
-
T1OUT T2OUT T3OUT T4OUT
R1IN R2IN R3IN R4IN R5IN
/SHDN
VCC
10
C100
0.1uF
FB8
F3
T500mA/250V
R114
C109
FB6 FB9 FB10 FB7
C105 0.1uF
R113
FB11
+
C104 10uF/50V
SP1
SHORT PIN
R115 R116
C110
FB12
D9
1SS355
C106 C108
R117