Sharp XE-A301 (serv.man3) Service Manual ▷ View online
XE-A301V
DIAGNOSTIC PROGRAM
– 12 –
4
End of testing
When any key is pressed, the date and time are printed and the test
mode will be terminated.
8) DRAWER 1 OPEN & SENSOR TEST
1
Key operation
110
3
2
Test procedure
3
Check that:
A) The drawer 1 opens normally.
B) The sensor correctly indicates the status of the drawer 1.
* On the XE-A401, “C” (CLOSED) is always displayed.
4
End of testing
You can exit the test mode by pressing any key. The printer prints
the following.
1 1 0
9)
EXTERNAL RAM TEST
1
Key operation
120
3
2
Test procedure
The standard 256 Kbyte RAM is checked.
The contents of memory must be stored before and after this test.
RAM (08000H
27FFFH area and 40000H
5FFFFH area) is
tested in the following procedure:
a) Store data in the test areas
b) Write “00H”
c) Read and compare “00H” and then write”55H”
d) Read and compare “55H” and then write “AAH”
e) Read and compare “AAH”
f) Restore stored data
If an error occurs at a step, the error is printed.
If any error does not occur, the following addresses are checked in
turns.
turns.
Addresses to be checked:
10000H , 10001H , 10002H , 10004H , 10008H ,
10010H , 10020H , 10040H , 10080H ,
10100H , 10200H , 10400H , 10800H ,
11000H , 12000H , 14000H , 18000H ,
11000H , 12000H , 14000H , 18000H ,
20000H
40000H , 40001H , 40002H , 40004H , 40008H ,
40010H , 40020H , 40040H , 40080H ,
40010H , 40020H , 40040H , 40080H ,
40100H , 40200H , 40400H , 40800H ,
41000H , 42000H , 44000H , 48000H ,
50000H
50000H
3
Check:
A) The completion print.
4
End of testing
The program ends after printing as follows:
When an error occurs, the printer outputs the error message and the
address where the error has occurred in the area
*****
.
10) CPU INTERNAL RAM TEST
1
Key operation
121
3
2
Test procedure
The test program tests internal RAM (10 Kbytes) of the CPU.
The contents of memory must be stored before and after this test.
RAM (00400H ~ 02BFFH area) is tested in the following procedure.
a) Store data in the test area.
b) Write “00H”
c) Read and compare “00H” and then write “55H”
d) Read and compare “55H” and then write “AAH”
e) Read and compare “AAH”
f) Restore stored data
If an error occurs at a step, the error is printed.
If any error does not occur, the following addresses are checked
If any error does not occur, the following addresses are checked
in turns.
Addresses to be checked:
01000H , 01001H , 01002H , 01004H , 01008H
01010H , 01020H , 01040H , 01080H ,
01100H , 01200H , 01400H , 01800H ,
01100H , 01200H , 01400H , 01800H ,
02000H
3
Check:
The completion print.
4
End of testing
If an error occurs, the printer outputs the error message and the
address where the error has occurred in the area
*****
.
107
X X X X X X
X X X X X X
year
month
day
hour
min.
sec.
RCPT/PO
D R A W E R
P G M
X
OP display
X : O = DRAWER OPENED
C = DRAWER CLOSED
1
RCPT/PO
When the test ends normally:
120
When the test end abnormally:
Ex – ~ –
120
*****
x = 1:Data error
x = 2:Address error
The test program ends after printing.
When the test ends normally:
121
When the test ends abnormally:
Ex – ~ –
121
*****
x = 1:Data error
x = 2:Address error
R A M
P G M
OP display
1 2 0
RCPT/PO
R A M
C P U
P G M
OP display
1 2 1
XE-A301V
DIAGNOSTIC PROGRAM
– 13 –
11) FLASH ROM TEST
1
Key operation
130
3
2
Test procedure
The test program checks that the checksum of the flash ROM
(BANK0F80000H ~ FFFFFH).
(BANK0F80000H ~ FFFFFH).
The lower two digits of the checksum should be 10H. (pending)
3
Check:
The completion print.
4
End of testing
The test will automatically be terminated and the printer prints as fol-
lows:
12) AD CONVERSION PORT TEST
1
Key operation
160
3
2
Test procedure
The test program displays the voltage of each AD conversion port.
13) RS232C TEST
Install the RS232C loopback connector.
1
Key operation
500
3
2
Test procedure
The test program checks the control signals.
Data communication check
A loopback test of 256-byte data between is performed.
DATA: $00 - $FF BAUD RATE :9600 BPS
3
Check:
The completion print.
4
End of testing
3. KEY CODE TABLE
When the test ends normally:
130
ROM
********
(Model name)
********
(Version)
When the test ends
abnormally:
abnormally:
E – – ~ – –
130
ROM
********
(Model name)
********
(Version)
OUTPUT
INPUT
/ER
/RS
/DR
/CI
/CD
/CS
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
ON
ON
OFF
OFF
ON
ON
ON
ON
ON
ON
RCPT/PO
R O M
F L A S H
P G M
OP display
1 3 0
RCPT/PO
T M
P G M
OP display
Display
1 6 0
=
V R F
P G M
OP display
1 6 0
=
V P T E S T
P G M
OP display
1 6 0
=
End of testing
RCPT/PO
Completion print
RS TEST
OK
Error print
RS TEST
**NG**ERxx
xx
Contents of error
01
ER DR error
02
ER CI error
03
RS CD error
04
RS CD error
05
SD RD error
DATA error
06
SD RD error
DATA error/framing error
R S
T E S T
P G M
OP display
5 0 0
2 3 2 C
RF
JF
033 037
032 048
038 054
039 055
052 132
050 130
053 133
128 129
118
116
114
117
113
112
002 005
017 001
016 000
006
007
003 004
084 068
082 066
085 069
081 080
102 103
146
149
065
086
087
018
083 067 147 148
145
064
070
071
CHECK SUM : 4053
XE-A301
XE-A301V
IPL FROM EP-ROM
– 14 –
CHAPTER 6. IPL FROM EP-ROM
Before working on the installation, unplug the AC cord from the AC out-
let.
let.
1.
Open the top cabinet.
2.
Set the IPL switch (S1) to VCC position.
3.
Install the IPL ROM to the IC socket of the MAIN PWB.
4.
Turn the mode key switch to PGM position, and insert AC plug in
AC outlet.
5.
The IPL procedure is started.
When the procedure is completed, the message of “Completed.” Is
shown.
shown.
6. Unplug the AC cord from the AC outlet.
7. Remove the IPL ROM to the IC socket of the MAIN PWB.
8. Set the IPL switch (S1) to GND position.
9. Replace the top cabinet.
10. Perform a master reset, insert AC cord in AC outlet.
GND
VCC
S1
IPL switch
IPL ROM
1pin
P ROM COPY
Completed.
Completed.
GND
S1
VCC
IPL switch
MRS.
XE-A301V
CIRCUIT DIAGRAM AND PWB LAYOUT
– 15 –
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
1/7
Vcc:20pin
GND:10pin
KANJI ROM
NOT INSTALL
IC10 VCC : 14pin
GND : 7pin
GND : 7pin
IC7 VCC : 14pin
GND : 7pin
IC9 VCC : 14pin
NOT INSTALL
FSCK
FRD
FSD
/FRES
/FRDY
150pF*10(C19-C28)
/BUSY
150pF*8(C1-C8)
100pF*8(C9-C16)
D0
a
D1
b
D2
c
D3
d
D4
e
D5
f
D6
g
D7
d
p
/CS3
A16
A15
A14
A12
A7
A13
A6
A8
A5
A9
A4
A11
A3
A2
A10
A1
A0
D7
D0
D6
D1
D5
D2
D4
D3
A16
A15
A14
A12
A7
A13
A6
A8
A5
A9
A4
A11
A3
A2
A10
A1
A0
D7
D0
D6
D1
D5
D2
D4
D3
D0
D1
A1
D2
A2
D3
A3
D4
A4
D5
A5
/CSCG
D6
A6
A18
D7
A7
/RD
A19
A8
A9
/CS0
A10
A11
BA1
A12
A13
A14
A0
A15
A16
A17
A19
/CSCG
BA0
/RD
D[0..7]
A[0..19]
A[0..19]
D[0..7]
P64
P66
P67
P74
P75
P76
P77
P95
P96
A0
A1
A2
A3
A4
A5
A6
A7
JAS
JBS
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
VHCOM
/POFF
D0
D1
D2
D3
D4
D5
D6
D7
c
d
e
f
g
dp
DR1
A19
a
b
DR2
/RESET
/CS0
/CS2
/WR
/RD
BCLK
/RDY
/RDY
/WR
/RD
/CS2
BCLK
RAS
RBS
RCS
RDS
JCS
JDS
A18
/CS3
SI
SO
PCLK
TM
VPTEST
/RAMCS
P94
/LE0W
/STRB4
/STRB3
/STRB2
/STRB1
P91
P90
/CS1
BA0
BA1
/LATCH
/RES
VREF
IPLON
/POFF
/RES
BAJ
/RES
VDD
VCC
VCC
VDD
VDD
VDD
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VDD
VDD
VCC
VCC
VCC
VDD
VCC
VDD
VCC
VDD
C55
0.1uF
C23
C39
0.1uF
R1
10K
R21
100
C56
(10uF/50V)
R53
100
R2
10K
R7
10K
C12
R54
100
R30
10K
R8
10K
R43
47K
R9
10K
R
5
7
2.2K
C7
R20
100
R47
10K
C16
C29
30pF
R66
10K
IC7B
(74F74)
12
11
9
8
10
13
D
CLK
Q
Q
PR
CL
R63
10K
R143
10K
C19
C24
R3
10K
R64
10K
IC4
1MSRAM LP621024D-T 70ns
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
NC
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
V
S
S
I/O3
I/O4
I/O5
I/O6
T/O7
CS1
A10
OE
A11
A9
A8
A13
WE
CS2
A15
VCC
C25
D17
1SS353
R48
10K
R
5
8
2.2K
C11
C43
(10uF/50V)
C10
IC10A
*74VHC32
1
2
3
R31
10K
R67
10K
R141
1K
R26
10K
C53
R10
10K
C8
C33
(0.1uF)
R11
10K
R19
100
C26
C42
150pF
R16
10K
R17
100
X2
CST12.0MTW
2
3
1
R
5
9
2.2K
C50
150pF
C30
100pF
C62
100pF
Q18
C3198
C15
C20
R52
470
R4
10K
C49
0.1uF
C54
330pFx3
C9
C63
0.1uF
R22
100
R46
10K
R38
10K
IC1
M30624FGFP
81
80
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
D7
D8
D6
D5
D4
D3
D2
D1
D0
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AVSS
AN0
VREF
AVCC
SIN4
SOUT4
CLK4
TB4IN
TB3IN
SOUT3
SIN3
CLK3
BYTE
CNVSS
XCIN
XCOUT
RESET
XOUT
VSS
XIN
VCC
NMI
INT2
INT1
INT0
TA4IN/U
TA4OUT/U
TB3IN
TBEOUT
TA2INW
TA2OUTW
TA1IN/V
TA1OUT/V
TB5IN
TB5OUT
D9
D10
D11
D12
D13
D14
D15
A0
A1
A2
A3
A4
A5
A6
A7
VSS
A8
VCC
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
CS0
CS1
CS2
CS3
WR
BHE
RD
CBCLK
HLDA
HOLD
ALE
CLKOUT
RTS0
CLK0
RXD0
TXD0
CLKS1
CLK1
RXD1
TXD1
IC33A
74LV00
1
2
3
R12
10K
R18
100
C48
(10uF/10V,FX)
C40
(30pF)
IC7A
(74F74)
2
3
5
6
4
1
D
CLK
Q
Q
PR
CL
C2
R32
10K
R41
47K
C27
R
6
0
2.2K
R49
(3.3K)
C60
R27
10K
R39
47K
D18
1SS353
C21
C57
R5
10K
C1
C14
C34
(0.1uF)
C58
R144
10K
R
6
5
2.2K
C59
R
6
1
2.2K
R68
R37
10K
R69
R51
10K
R13
10K
X3
(CST12.0MTW)
2
3
1
R71
R36
10K
R70
IC6
1MSRAM LP621024D-T 70ns
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
NC
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
V
S
S
I/O3
I/O4
I/O5
I/O6
T/O7
CS1
A10
OE
A11
A9
A8
A13
WE
CS2
A15
VCC
R72
10Kx5
C36
(0.1uF)
C3
C61
330pFx5
R33
10K
C28
IC5
(FS781)
1
2
3
4
5
6
7
8
XIN
XOUT
S1
L
F
VSS
FSOUT
S0
VDD
C35
(220pF)
C22
IC33B
74LV00
4
5
6
R42
47K
B
+
BZ1
PIEZO BZ
R28
10K
C13
R
6
2
2.2K
C37
(10uF/10V,FX)
C18
27pF
+
C31
10uF/10V,FX
IC3
(LH5388WS(CGROM))
15
17
19
21
24
26
28
30
16
18
20
22
25
27
29
23
11
10
9
8
7
6
5
4
42
41
40
39
38
37
36
35
34
3
2
13
14
12
43
32
31
1
44
33
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
VCC
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
VSS
OE/OE
CE/CE
A19
VSS
D15/A-1
NC
NC
BHE
C41
(30pF)
D19
1SS353
R23
330
R24
0
X1
32.768KHz
R
5
5
2.2K
C17
18pF
R14
10K
C51
150pF
R73
10K
C4
R34
10K
C5
R40
10k
R45
470
IC2
74HC273
3
4
7
8
13
14
17
18
11
1
2
5
6
9
12
15
16
19
D1
D2
D3
D4
D5
D6
D7
D8
CLK
CLR
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
C45
(0.1uF)
IC8
(74LV138)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A
B
C
G2A
G2B
G1
Y7
GND
Y
6
Y5
Y4
Y3
Y2
Y1
Y0
VCC
R6
10K
C44
(340pF)
IC34
KIA7045
1
2
3
R29
10K
C32
0.1uF
R25
(33)
C52
R15
10K
C6
R44
10K
R
5
6
2.2K
C38
0.1uF
R35
10K
Not mounted
+
+
+
+
CH
APTER
7. CIRCUIT
DIAGRAM AND PWB
LA
YOUT
1.
CI
RC
U
IT
DI
AG
RA
M
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