Sharp XE-A203 (serv.man5) Service Manual ▷ View online
XE-A203V/A213V
HARDWARE DESCRIPTION
– 11 –
7-2-3.MODE KEY (203V/213V)
7-3. NORMAL/FLAT KEY (203V/213V) JUDGMENT
METHOD
When J1 on the main PWB is shorted, the main PWB supports NORMAL KEY.
When J1 is opened, the main PWB supports FLAT KEY.
When J1 is opened, the main PWB supports FLAT KEY.
8. USB I/F
The USB CONTROLLER (SATELLITE) is built in the CPU (M30245).
USB specifications
USB specifications
1) USB2.0 FULLSPEED
2) Self power
Related port
9. POWER/ RESET
9-1. POWER COMPOSITION
9-2. OPERATION WHEN POWER ON/OFF
When the mode key is in the OFF position, all the power lines except for
the battery backup line in the ECR are turned OFF.
the battery backup line in the ECR are turned OFF.
9-3. MASTER RESET
When the power is turned ON without a battery, master reset is per-
formed.
formed.
10. PRINTER CONTROL
10-1. STEPPINGMOTOR CONTROL
The 2-phase bi-polar stepping motor is driven at a constant voltage with
SANYO-make LB1838M.
1step: 0.087mm, 1dot: 2step
SANYO-make LB1838M.
1step: 0.087mm, 1dot: 2step
Related port
DriveSTEP
Function
Signal
name
CPU
PORT
Remark
Vbus detection
signal
signal
Vbus-
DTCT
DTCT
-
Connected to the USB connector
VBUS.
VBUS.
USB IF power
input
input
Uvcc
-
3.3V same as the CPU power
(battery backup line) is inputted.
(battery backup line) is inputted.
USB signal
USB D+
-
USB signal
USB D-
-
Low pass filter
LPF
-
Used for use of the frequency syn-
thesizer and for forming an exter-
nal filter.
thesizer and for forming an exter-
nal filter.
U S B c o n n e c -
tion detection
tion detection
ATTACH
P90
Connected to USB D+ via 1.5 k
Ω.
(ATTACH/DETACH function
enabled)
enabled)
FOR KEY I/F BOARD
MODE SWITCH
CN1
P: 2.0mm HOLE ONLY
8
9
10
11
12
13
5
1
7
2
4
6
3
SW1
GND
/VON
GND
/RESET
/S0
/S1
/S2
MOR
/S3
/S4
/S5
/S6
/S7
0
000
00
1
2
3
4
5
6
7
8
9
10
PORT
Signal name
P104
AN4
ENA1
P105
AN5
ENA2
P106
AN6
IN1
P107
AN7
IN2
Driver IC input (CPU output)
Motor drive signal
STE
P
IN1
IN2
ENA1
ENA2
A
(OUT1)
B
(OUT3)
/A
(OUT2)
/B
(OUT4)
1
L
L
H
H
H
H
L
L
2
H
L
H
H
L
H
H
L
3
H
H
H
H
L
L
H
H
4
L
H
H
H
H
L
L
H
LM2574
+ Tr.
+ Tr.
VLED
24V DRAWER
5V
VP (8V)
Blackout detection point
Blackout
detection
point
detection
point
TRANS
PQ1CG203
PQ1CG203
ON/OFF control
(MODE SW OFF position, Blackout,
control by CPU P83 )
(MODE SW OFF position, Blackout,
control by CPU P83 )
BA00AS
UPC29M33
3.3V
BH33FB1
AC
ON/OFF control
(MODE SW OFF position)
(MODE SW OFF position)
Battery
(Unit 3 x 3)
LCD backlight
Reset IC
Reset signal
Forced reset
( MODE SW SRV 'position)
( MODE SW SRV 'position)
PRINTER
Winding motor
Winding motor
XE-A203V/A213V
HARDWARE DESCRIPTION
– 12 –
10-2. HEAD CONTROL
HEAD: All 288dot width 0.167mm/dot (6dot/mm)
Related port
10-3. WINDING MOTOR CONTROL
The following port is set to “H” the motor is controlled.
Related port
10-4. PAPER EMPTY DETECTION
Related port
10-5. PLATEN OPEN
Related port
10-6. HEAD THERMISTOR
Related port
11. A/D CONVERSION
Related port
12. CPU PORT TABLE
PORT
Signal name
Remark
P65
CLK1
PCLK
Printer head clock
P66
RXD1
PLATCH
Printer head latch
P67
TXD1
PDATA
Printer head data
P70
TXD2
PSTB1#
Printer head strobe
P71
RXD2
PSTB2#
Printer head strobe
PSTB1#:1~144dot:All 144dot
Total 288 dot
PSTB2#:145~288dot:All 144dot
PORT
Signal name
Remark
P103
AN3
PMOTOR
Winding Motor
PORT
Signal name
Remark
P93
Adtrg#
PEND
Paper empty signal
PORT
Signal name
Remark
P92
SOF#
HDUP
Head up (platen open)
PORT
Signal name
Remark
P101
AN1
HTEMP
Printer head thermistor
PORT
Signal name
Remark
P100
AN0
VPRN
Printer power voltage
P101
AN1
HTEMP
Printer head thermistor (already-
stated)
stated)
P102
AN2
VBAT
Battery voltage
PIN
SYMBOL
I/O
External
P0
0
86
D0
D0
Data Bus
I/O
Vcc-PU
1
85
D1
D1
Data Bus
I/O
Vcc-PU
2
84
D2
D2
Data Bus
I/O
Vcc-PU
3
83
D3
D3
Data Bus
I/O
Vcc-PU
4
82
D4
D4
Data Bus
I/O
Vcc-PU
5
81
D5
D5
Data Bus
I/O
Vcc-PU
6
80
D6
D6
Data Bus
I/O
Vcc-PU
7
79
D7
D7
Data Bus
I/O
Vcc-PU
P1
0
78
D8
ROMBNK
ROM Bank
Select
Select
O
-
1
77
D9
RAMBNK
RAM Bank
Select
Select
O
-
2
76
D10
NC
I
GND-PD
3
75
D11
FRDY
FlashReady
I
Vbb-PU
4
74
D12
KS0
Key strobe
O
Vcc-PU
5
73
D13
KS1
Key strobe
O
Vcc-PU
6
72
D14
KS2
Key strobe
O
Vcc-PU
7
71
D15
KS3
Key strobe
O
Vcc-PU
P2
0
70
A0
A0
Address Bus
O
-
1
69
A1
A1
Address Bus
O
-
2
68
A2
A2
Address Bus
O
-
3
67
A3
A3
Address Bus
O
-
4
66
A4
A4
Address Bus
O
-
5
65
A5
A5
Address Bus
O
-
6
64
A6
A6
Address Bus
O
-
7
63
A7
A7
Address Bus
O
-
P3
0
61
A8
A8
Address Bus
O
-
1
59
A9
A9
Address Bus
O
-
2
58
A10
A10
Address Bus
O
-
3
57
A11
A11
Address Bus
O
-
4
56
A12
A12
Address Bus
O
-
5
55
A13
A13
Address Bus
O
-
6
54
A14
A14
Address Bus
O
-
7
53
A15
A15
Address Bus
O
-
P4
0
52
A16
A16
Address Bus
O
-
1
51
A17
A17
Address Bus
O
-
2
50
A18
A18
Address Bus
O
-
3
49
A19
A19
Address Bus
O
-
4
48
CS0#
CS0#
FLASH mem-
ory &SRAM
ory &SRAM
O
Vbb-PU
5
47
CS1#
CS1#
REAR DISP
& KEY
RETURN
& KEY
RETURN
O
Vcc-PU
6
46
CS2#
CS2#
SRAM
O
Vbb-PU
7
45
CS3#
CS3#
Front LCD
data transmis-
sion
data transmis-
sion
O
Vcc-PU
XE-A203V/A213V
HARDWARE DESCRIPTION
– 13 –
PIN
SYMBOL
I/O
External
P5
0
44
WR#
WR#
WR#
O
Vbb-PU
1
43
BHE#
N.C.
O
GND-PD
2
42
RD#
RD#
RD#
O
Vbb-PU
3
41
BCLK
BCLK
Test point
(pattern only)
(pattern only)
O
GND-PD
4
40
HOLDA#
N.C.
O
GND-PD
5
39
HOLD#
HOLD#
Pull Up
I
Vbb-PU
6
38
ALE
N.C.
O
GND-PD
7
37
RDY#
Pull Up
I
Vbb-PU
P6
0
36
CTS0#/
RTS0#
MODR
Mode key
return
return
I
GND-PD
1
35
CLK0
RJR
Feed key
return
return
I
GND-PD
2
34
RXD0
LCDON
LCD ON
O
GND-PD
3
33
TXD0
BLON
LCD back-
light ON
light ON
O
GND-PD
4
32
CTS1#/
RTS1#
LDCS#
LCD CS
O
Vcc-PU
5
31
CLK1
PCLK
Printer head
clock
clock
O
GND-PD
6
30
RXD1
PLATCH
Printer head
latch
latch
O
GND-PD
7
29
TXD1
PDATA
Printer head
data
data
O
GND-PD
P7
0
28
TXD2
PSTB1#
Printer head
strobe
strobe
O
Vcc-PU
1
27
RXD2
PSTB2#
Printer head
strobe
strobe
O
Vcc-PU
2
26
CLK2
EE
LCD IF
O
GND-PD
3
25
CTS2#/
RTS2#
R/W
LCD IF
O
GND-PD
4
24
TXD3
RS
LCD IF
O
GND-PD
5
23
RXD3
NC
O
GND-PD
6
22
CLK3
KEYKIND
Normal key/
Flat key judg-
ment
Flat key judg-
ment
I
GND-PD
7
21
CTS3#/
RTS3#
NC
O
GND-PD
P8
0
20
TA4OUT
BUZZER
Buzzer
O
GND-PD
1
19
TA4IN
DRAWER
Drawer ON/
OFF
OFF
O
-
2
18
INT0#
POFF#
Power inter-
ruption signal
ruption signal
I
Vcc-PU
3
17
INT1#
VPON
Printer power
ON
ON
O
GND-PD
4
16
INT2#
BATON
Battery volt-
age check ON
age check ON
O
GND-PD
5
15
NMI#
NC
I
Vbb-PU
6
9
XCOUT
Xcout
32.768kHz
I
-
7
8
XCIN
Xcin
32.768kHz
I
-
PIN
SYMBOL
I/O
External
P9
0
2
ATTACH
ATTACH
USB
O
-
-
-
2
100
SOF#
HDUP
Head up
I
GND-PD
3
99
Adtrg#
PEND
Paper empty
signal
signal
I
GND-PD
-
-
-
-
-
-
-
-
P10
0
98
AN0
VPRN
Printer power
voltage
voltage
I
-
1
93
AN1
HTEMP
Printer head
thermistor
thermistor
I
-
2
92
AN2
VBAT
Battery volt-
age
age
I
-
3
91
AN3
PMOTOR
Winding
Motor
Motor
O
GND-PD
4
90
AN4
ENA1
Printer motor
O
GND-PD
5
89
AN5
ENA2
Printer motor
O
GND-PD
6
88
AN6
IN1
Printer motor
O
GND-PD
7
87
AN7
IN2
Printer motor
O
GND-PD
1
Vbus-
DTCT
VbusDTCT
3
Uvcc
Vcc
4
USB D+
USB
5
USB D-
USB
6
BYTE
Vcc
7
CNVSS
H/L selection
with jumper
pin
with jumper
pin
10
RESET#
RESET#
I
11
XOUT
X'tal 16MHz
12
VSS
GND
13
XIN
X'tal 16MHz
14
VCC
VCC
60
VCC
VCC
62
VSS
GND
94
AVSS
GND
95
LPF
LPF
96
VREF
VCC
97
AVCC
VCC
XE-A203V/A213V
DIAGNOSTIC PROGRAM
– 14 –
CHAPTER 5. DIAGNOSTIC PROGRAM
1. TEST ITEMS
The test items are as follows.
*How to start DIAG.
2. DESCRIPTION OF EACH DIAG PROGRAM
1) REAR DISPLAY BUZZER TEST
1 Key operation
100
3
2 Test procedure
The following display modes are repeated.
1. Segment display (All digits)
Each segment is lighted one by one sequentially. When ANY
key is pressed, the segment is shifted to the next one.
At the same time, the continuous buzzer sound is made. After
completion of all the segments, the shift display is made.
key is pressed, the segment is shifted to the next one.
At the same time, the continuous buzzer sound is made. After
completion of all the segments, the shift display is made.
2. Shift display
All the segments are lighted from the lowest digit. When ANY
key is pressed, the segment is shifted to the next digit.
key is pressed, the segment is shifted to the next digit.
3. All-digit all-segment lighting
All digits and all segments ate lighted.
3 Check item
A) Check that each position is displayed properly.
B) Check that the brightness of each display is even without blur.
C) Check that the buzzer sound is normal.
4 Test end
Normal end with "PO" key. When other than "PO" key except for the
paper feed key is pressed, it is judged as an error and the following
print is made.
The buzzer is stopped.
paper feed key is pressed, it is judged as an error and the following
print is made.
The buzzer is stopped.
Code
Description
1)
100
Rear display buzzer test
2)
101
Key code
3)
102
Printer test (Z print 5-lines)
4)
104
Keyboard test
5)
105
Mode switch test
6)
106
Printer sensor test
7)
107
Clock display test
8)
108
Front display test
9)
110
Drawer open test
10)
120
External RAM test
11)
121
CPU internal RAM test
12)
140
FLASH ROM test 1 (Check sum)
13)
160
AD conversion port test (1)
14)
520
USB test 1 (ID/ADRESS print)
Mode SW
: PGM mode
Key operation : Each diagnostic program is booted with the above
code + "PO" key.
PO
0 1 2 3 4 5 6 7 8 9 A B C D E F
OP display
R . D I S P & B U Z 1 0 0
Abbreviated hereinafter
Abbreviated hereinafter
100
DISPLAY or BUZ ERROR 100
Nomal
Error
3
3
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