Service manual
R21 R24
XE-A101 X O
*CAUTION*
8 7 6 5 4
3
2 1
A
B
C
D
12345678
D
C
B
A
1/2
R6
100K
VO
1
2
3
CN3
5045-03A
C8
MULTI
0.1uF
Q1
2SD2170
R7
1K
/POF
DR
(for DRAWER)
F2
T400mA/250V
R3
68K
VCC
VDD
R4
5.6K
R5
56K
VO
VCC
D9
1SS133
D10
1SS133
VBAT
ZD1
MTZ7.5B
C6
47uF/16V
(G3)
C26
47uF/16V
C7
0.1uF
MULTI
C4
100uF
25V
VO
+6V
R2
1M
R1
220
C3
330uF
25V
1
2
3
IC1
KIA7806P
C5
MYLOR
0.1uF
D5
1N4002
D6
1N4002
D7
1SS133
D8
1SS133
/RESET
1
2
CN2
5267-02BL
BATTERY CN
R70
100
1
2
CN1
5273-02A
VO
C2
3300uF
25V
VDD
C1
MYLOR
0.033uF
D4
1N4002x4
D2
D3
D1
R9
4.7K
F3
T1.0AL/250V
F1
T1.25AL/125V
T1.0AL/250V
DR
RWND
VDD
VCC
C9
22uF
50V
D11
1N4002
/ST1
/ST2
Q2
2SD2170
R10
2.7K
1 P50/A8
2 P51/A9
3 P52/A10
4 P53/A11
5 P54/A12
6 P55/A13
7 P56/A14
8 P57/A15
9 VSS0
10 VDD0
11 P30
12 P31
13 P32
14 P33
15 P34/SI31
16 P35/SO31
17 P36/-SCK31
18 P20/SI30
19 P21/SO30
20 P22/-SCK30
21 P23/RXD0
22 P24/TXD0
23 P25/ASCK0
24 VDD1
25 AVSS
26 P17/AN17
27 P16/AN16
28 P15/AN15
29 P14/AN14
30 P13/AN13
31 P12/AN12
32 P11/AN11 P10/AN10 33
AVREF 34
P47/AD7 64
P46/AD6 63
P45/AD5 62
P44/AD4 61
P43/AD3 60
P42/AD2 59
P41/AD1 58
P40/AD0 57
P67/ASTB 56
P66/-WAIT 55
P65/-WR 54
P64/-RD 53
P75/BUZ 52
P74/PCL 51
P73/TI51/TO51 50
P72/TI50/TO50 49
P71/TI01 48
P70/TI00/TO0 47
P03/INTP3/ADTRG 46
P02/INTP2 45
P01/INTP1 44
P00/INTP0 43
VSS1 42
X1 41
X2 40
IC 39
XT1 38
XT2 37
-RESET 36
AVDD 35
IC2
uPD780023A (QFP)
SA2
SB2
SC2
SD2
SE2
SF2
R8
1K
D12
1SS133
1
2
CN4
5267-02
MOTOR CN
(F3:JUMPER)
MTR
TRG
KST1
KST2
KST3
KST4
KST5
KST6
KST7
KST8
KST1-KST8
BZ
BUZZER
Q3
C3198
C10
MYLOR
0.1uF
C11
MULTI
0.1uF
R11
1K
VCC
STROBE [/ST1-/ST4,ST5]
R23 47K
R24 47K
R21 47K
R22 47K
VCC
NOT USE
+6V
R58
330
R59
6.8K
R60
330
R61
6.8K
Q8
KTA1271
Q9
KTA1271
41
7
1
8
1231
5
1
6
971
2
5681
0
1
1
1
4
1
3
LED1
D568GWA
41
7
1
8
1231
5
1
6
971
2
5681
0
1
1
1
4
1
3
LED2
D568GWA
D30
JUMPER WIRE
(1N4002)
R51
12K
R50
4.7K
Q4
2SC3198
R52
330
R53
6.8K
R54
330
R55
6.8K
Q5
KTA1271
Q6
KTA1271
R56
330
R57
6.8K
Q7
KTA1271
41
7
1
8
1231
5
1
6
971
2
5681
0
1
1
1
4
1
3
LED3
D568GWA
1
4
1
3
LED4
D568GWA
38
41
7
1
8
1231
5
1
6
971
2
5681
0
1
1
51
0
912467
LED5
S568GWA
(XE-A101V only)
IC4
KID65083
KR1
/POF
T
t
R
VDD
VCC
2
31
X2
4.19MHz
SG2
SG1
R27
1M
SDP1
SDP2
R25
470
/RESET
/RESET
P74
X1
32.768KHz
J6
7mm
SP1
SHORTPIN
R26
330K
(0)
C12
22pF
(18pF)
C13
30pF
(22pF)
SA1
SB1
SC1
SD1
SE1
SF1
VBAT
KR6
KR5
KR4
KR3
KR2
KR1-KR6
VDD
/ST3
/ST4
R12
56K
R13
56K
R14
56K
ST5
SI30
SO30 /SCK30
VDD
VDD
VSS
VPP
R15
R16
R17
R18
R19
R20
+6V
R28 1K
R29 1K
R30
1K
TRG
MTR
47K*6
PRINTER I/F PWB MAIN PWB
1 NC
2 I1
3 I2
4 GND
NC 8
O1 7
O2 6
VCC 5
IC3
LB1268(DIP)
1
2
3
4
5
6
7
8
CN5
52011-0810
(for PRINTER)
1
2
3
4
5
6
7
8
CON3A
HOLE only
1
2
3
4
5
6
7
8
CON3
HOLE only
a2
b2
c2
d2
e2
f2
g2
dp2
a1
b1
c1
d1
e1
f1
g1
dp1
SA2
SB2
SC2
SD2
SE2
SF2
SG2
DP2
SA1
SB1
SC1
SD1
SE1
SF1
SG1
DP1
9PIN :GND
10PIN:N.C
IC5
KID65083
9PIN :GND
10PIN:N.C
VCC
16 3
15 4
13 6
11 8
17 2
15 4
13 6
14 5
16 3
18 1
12 7
14 5
18 1
IC4A
17 2
IC4B
11 8
IC5H
12 7
IC5G
T
R
t
+6V
R31
10K
R32
10K
R33
10K
C14 C15 C16
0.1uF 0.1uF 0.1uF
R34 110
R35 110
R36 110
R37 110
R38 110
R39 110
R40 110
R41 110
R42 110
R43 110
R44 110
R45 110
R46 110
R47 110
R48 110
R49 110
1) MAIN CIRCUIT
CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAYOUT
1. CIRCUIT DIAGRAM