Sharp ER-A220 (serv.man2) Service Manual ▷ View online
CHAPTER 9. INSTALLATION OF OPTIONS
1. REMOTE DRAWER: ER-05DW/06DW
CAUTION
Before turning the mode switch from the (SRV’) to (SRV), make
sure the AC power cord is connected to the wall outlet;
otherwise, the data on memory might be destroyed.
sure the AC power cord is connected to the wall outlet;
otherwise, the data on memory might be destroyed.
1-1. Outline
The ER-A220 allows connection of one remote drawer ER-
05DW/06DW.
1-2. Installation procedure
1) Separating standard drawer
Remove the printer cover.
Remove the screws
securing the drawer.
Pull the unit the direction indicated by the arrow and lift it up in
the direction of B.
Put the drawer upright at the left side of the unit and remove the
drawer connector.
2) Affix two rubber legs (GLEGG6659BHZZ) to the front
part of the lower cabinet.
3) Connect the remote drawer cable to the drawer
connector on the main PWB. (Location: CN10)
4) Use nippers to cut off drawer cable binding holder
on the bottom cabinet, and bind drawer cable.
Screw used in this case is an accessory of the
DRAWER UNIT.
Screw used in this case is an accessory of the
DRAWER UNIT.
2. KEY TOP KIT: ER-11KT7/12KT7/22KT7
DUMMY KEY KIT: ER-11DK7G/15DK7G
2-1. ER-11KT7
A
B
1
ER-11KT7
ER-12KT7
ER-22KT7
2-2. ER-12KT7, ER-22KT7
1) Attach two spacers to the keyboard frame.
Attach the yellow spacer to the left lower side, and the white spacer
to the right lower side.
to the right lower side.
2) The key top of the ER-12KT7 and the ER-22KT7
includes the guide pin. Install the key top so that the
guide pin is engaged with the spacer attached to the
keyboard frame.
guide pin is engaged with the spacer attached to the
keyboard frame.
(When using 2 x 2 key top installing jig
(UKOG-6725BHZZ) for installation)
(UKOG-6725BHZZ) for installation)
1) Remove the key label and the key cap from the key
top.
2) Attach the key top so that the guide arm is under the
jig.
3) With the jig inserted in the key top, slowly press
down the key top until the guide arm is brought into
contact with the guide holder A.
contact with the guide holder A.
4) Remove the jig under the above condition 3), and
press the key top.
5) Check that the key top operates properly.
6) Install the key label and the key cap.
2-3. ER-11DK7G, ER-51DK7G
3. DRIP-PROOF KEYBOARD COVER
(GCOVH2486BHZZ)
3-1. Outline
This cover protects both the keyboard and the mode switch from water
and others.
3-2. Installation procedure
1) Remove the double-coated tape and affix.
Yellow
White
White
White
Yellow
Yellow
Jig
Key top
Guide arm
A
Jig
Key top
Guide arm
Guide arm
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
VH
L2
180uH
C35
4700uF
16V
C36
4700uF
16V
ZD101
P
TZ9.1B
R124
20KF
R125
3.9KF
VH +
7
.7V
+24V
V24
C46
2200uF
50V
C40
100uF
50V
D108
1SR159-200
D107
1SR159-200
D4
FMB-G
24H
L3
180uH
Q8
2SA
1471
R149
22KF
R150
1.2KF
R126
27
6
5
23
4
1
78
IC16
MC34063A
M1
R58
47;3W
Q8:HEAT SINK
F1
T3.15AL/250V
F1:3.15A/12
5
V for JA
PAN
6,8pi
n:N.C
VO
C44
MYL
O
R
0.033uF
C43
3300uF
50V
C45
3300uF
50V
D5
CP301
1
5
7
3
42
IC18
LM2574
H
V
N
Q1
0
KTD998
R148
10
Q10:HEAT SINK
1
2
CN7
5273-02A
F3
T3.15AL/250V
F3:3.15A/12
5
V for JA
PAN
for EUROPE
PO
WE
R
T
R
ANS
C41
100uF
50V
L1
220uH
Q7
2SC4153
R151
10
D102
RB060L40
6
5
23
4
1
78
IC17
MC34063A
M1
Q7:HEAT SINK
for
JA
PAN
PO
WE
R
T
R
ANS
VLE
D
+5.7V
VLE
D
VCC
VDD
VO
F
F
C34
1000uF
16V
C24
330uF
16V
C31
330uF
16V
D103
1SR154-400
D113
1SR154-400
R155
3.6KF
R156
1KF
R103
160
R104
160
ZD102
P
TZ6.2A
VCC +5V
P-
O
F
F
VCC
VREF
+24V
VCC
C39
100uF
50V
C146
220pF
R119
56K
R128
2.7K
3
2
1
8
4
IC10A
BA1
0393
5
6
7
8
4
IC10B
BA1
0393
R121
2.4KF
R122
13KF
D101
1SS
353
VCC
1
2
BZ
1
2048Hz
VO
F
F
VO
R161
18K
R162
33
ZD103
UDZ
5
.1B
D7
1SS
353
B
U
ZZE
R
BUZ
1
VLE
D
(2.5mm)
1
2
CN3
5267-02A
Q3
KRC106S
Q1
2SD2170
R45
2.2K
C38
2.2uF
16V
D115
VCC
D114
1SR154-400 *
2
D109
1SR159-200
(2.5mm)
P60
P-
O
F
F
V24
V24
C137
0.47uF
C138
0.47uF
C147
0.1uF
1
2
3
CN6
5046-03A
Q9
2SD2170
R163
1K
R164
15K
R166
22K
FB
3
C66673
R120
3KF
R123
2.7KF
FB
4
C66673
C168
0.1uF
C162
0.1uF
C161
0.1uF
FB
3 &
FB
4:JUMP
ER W
IRE
ICP103
1.0A
(2.5mm)
VCC
VCC
VLE
D
/FRES
/FRDY
FS
D
FRD
FS
CK
BUSY
56K X
4
VCC
VPP
VCH
/FRES
FS
D
FS
CK
BUSY
/FRDY
/VCON
VP1
FRD
TP
1
1
2
CN1
5267-02A(BLUE)
1
2
3
4
5
6
7
8
9
10
11
CN5
5267-11A
(2.5mm)
Q
101
KRA106
S
R55
R54
R52
R57
VR1
5K
for FMC
+24V
C29
0.1uF
50V
C153
180pF
C154
0.1uF
C155
0.1uF
1
2
3
IC19
KIA
7812
R154
68F
R153
1.2K
R152
3.3K
Q6
KTA1664
F2
T800mAL/2
50V
1A/125
V for JA
PAN
C37
10uF
50V
Q
102
KRC106S
R142
68F
SP3
SHO
R
TP
IN
MO
TOR
/S6
P91
/S6
P91
DRAWE
R
C160
1000pF
R165
4.7K
FB
5
C66673
D112
1SS
353
Q
106
KRC111S
FB5:JU
M
PER W
IRE
MO
TOR
R46
15K
|LINK
|CPUCG
.S
CH
|DRIVER.SCH
|RS.SCH
|PRINTER.SCH
POWER SUPPLY
1. M
AIN PWB CIRCUIT DIAGRAM
CHAPTER 10. CIRCUIT DIAGRAM & PWB LAYOUT
1/4
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
CPU
/W
R
A8
A9
A10
A11
A13
A15
VDD
VCC
b#
c
d
e
f
g
dp
a#
b#
dp
a#
c
d
e
f
g
Vc
c:20
pin
G
N
D
:10pin
R21
10K
D0
3
D1
4
D2
7
D3
8
D4
13
D5
14
D6
17
D7
18
OC
1
CLK
11
Q0
2
Q1
5
Q2
6
Q3
9
Q4
12
Q5
15
Q6
16
Q7
19
IC4
74HC374
10K *
10EA
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A[0.
.16]
D[0..7]
A7
A6
A5
A4
A3
A2
A[0.
.16]
D[0..7]
D2
D3
D6
D7
A12
A14
A16
VCC
VCC
D0
D1
D4
D5
A18
VCC
/CS3
C131
0.1uF
C13
10uF/50V
R36
R
37
R35
R
34
R7
R116
10k
C128
30pF
A19
C165
C121
C120
C122
C123
R176
10K
R177
10K
VCC
R176 for J
APA
N
NC
1
A16
2
A14
3
A12
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
I/O0
13
I/O1
14
I/O2
15
VS
S
16
I/O3
17
I/O4
18
I/O5
19
I/O6
20
T/O
7
21
CS1
22
A10
23
OE
24
A11
25
A9
26
A8
27
A13
28
WE
29
CS2
30
A15
31
VCC
32
IC3B
G
M
76C8128CLLFW
7
0
150pF *
10EA
VCC
R10
R
9
R
8
R31
R
32
R33
R5
R6
C109
C110
C111
C126
C114
C113
C125
C124
C166
150pF
C167(for JA
PAN)
C167
150pF
10K *
8EA
P10
P11
P12
P13
A0
A1
A2
A3
A4
A5
A6
A7
PH1
PH2
PH3
PH4
VCC
VCC
10K *
12
E
A
C1
C2
C3
C4
R14
R
13
R12
R
11
R2
R1
R3
R4
R15
150pF *
8EA
C104
C105
C164
C107
C108
100pF*4E
A
R170
R171
R172
R173
47K*
4
100 *
8EA
P105
P104
P101
P100
P97
/RES
E
T
D0
D1
D2
D3
D4
D5
D6
D7
DTS
LATCH
VDD
VCC
VDD
100pF *
8EA
VRE
F
P103
C14
10uF/50V
C119
C118
C117
C116
C115
C101
C102
C103
C148
1000pF
R38
R
39
R40
R
41
R42
R
18
R17
R
16
R127
240
R24
R27
R23
R28
R25
R29
R26
R30
R47
10K
K
A
R
IC15
KIA
431A
R174
47K
D7
81
D 8
8
0
D6
82
D5
83
D4
84
D3
85
D2
86
D1
87
D0
88
AN7
89
AN6
90
AN5
91
AN4
92
AN3
93
AN2
94
AN1
95
AV
SS
96
AN0
97
VRE
F
98
AV
CC
99
SIN4
100
S
O U
T
4
1
C L
K
4
2
T
B 4
I
N
3
T
B 3
I
N
4
S
O U
T
3
5
S I
N
3
6
C L
K
3
7
B Y
T
E
8
C
N V
S
S
9
X C
I
N
1 0
X
C O
U
T
1 1
R
E S
E
T
1 2
X O U T
1 3
V
S
S
1 4
X
I
N
1 5
V
C
C
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
N
M
I
I N T 2
I N T 1
I N T 0
T A 4
I N / U
T
A 4 O U T / U
T
B 3
I
N
T B E O U T
T A 2 I
N
W
T A 2
O U
T
W
T A 1 I N / V
T
A 1 O U T / V
T
B 5
I
N
T B
5 O U T
3 0
D 9
7
9
D 1 0
7
8
D 1 1
7
7
D 1 2
7
6
D 1 3
7
5
D 1 4
7
4
D 1 5
7
3
A 0
7
2
A 1
7
1
A 2
7
0
A 3
6
9
A 4
6
8
A 5
6
7
A 6
6
6
A 7
6
5
6
4
6
3
6
2
6
1
6
0
5
9
5
8
5
7
5
6
5
5
5
4
5
3
5
2
V S S
A 8
V C C
A 9
A 1 0
A 1 1
A 1 2
A 1 3
A 1 4
A 1 5
A 1 6
A 1 7
A 1 8
A 1 9
5
1
CS0
CS1
CS2
CS3
WR
BHE
RD
CBCLK
HLDA
HOLD
ALE
CLKOUT
RTS0
CLK0
RXD0
TX
D0
CLKS
1
CLK1
RXD1
TX
D1
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
IC8
M306
24F
G
F
P
R175
10K
/W
R
/RD
P64
P66
P67
DAT
A1
A0
A7
A6
A5
A4
A3
A2
A1
A0
D0
D1
D2
D0
D1
D2
A12
A14
BUS
Y
FS
CK
FRD
FS
D
/FRES
/CS0
/CS2
/RDY
BCLK
P60
P71
VCC
/HOLD
VCC
TP
2
C139
100pF
A14
1
A12
2
A7
3
A6
4
A5
5
A4
6
A3
7
A2
8
A1
9
A0
10
I/O0
11
I/O1
12
I/O2
13
VS
S
14
I/O3
15
I/O4
16
I/O5
17
I/O6
18
I/O7
19
CE
20
A10
21
OE
22
A11
23
A9
24
A8
25
A13
26
WE
27
VCC
28
IC3A
G
M
76C256BL
L
F
W
-70
R112
10K
R105
47K
R106
47K
R138
10K
R53
10K
R20
10K
C141
100pF
R118
47K
R117
47K
/RD
/W
R
D3
D4
D5
D6
D7
D3
D4
D5
D6
D7
A8
A9
A11
A13
A10
VDD
VCC
VDD
/CS2
C11
30pF
C8
10uF/50V
C9
0.1uF
R22
10K
R19
10K
C10
30pF
C12
150pF
D3
D4
D5
D6
D7
A8
A9
A11
A13
A14
A17
A10
VCC
VCC
A18
VCC/A
18
C127
0.1uF
C7
10uF/50V
R102
0
R101
0
R167
0
VP
P
1
A16
2
A15
3
A12
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
D0
13
D1
14
D2
15
GND
16
D3
17
D4
18
D5
19
D6
20
D7
21
CE
22
A10
23
OE
24
A11
25
A9
26
A8
27
A13
28
A14
29
A17
30
A18/
PGM
31
VCC
32
IC2
M27C20
01-
1
0
F
1
CLK
P73
P74
P75
P76
P77
BUZ
1
MO
TOR
P-
O
F
F
CTCRL
A[0.
.18]
D0
D1
D2
A0
A1
A2
A3
A4
A5
A6
A7
A12
A[0.
.18]
A15
A16
VDD
VCC
/FRDY
C140
0.1uF
SP
4
SHO
R
TP
IN
"H"
E
P
RO
M
"L"
CGRO
M
VCC
R169
4.7K
SP
4 for
JA
PAN
32.768
KHz
"H
":
B
O
O
T
ON
C30
10uF/50V
R110
330
R48
0
R109
33
R111
4.7K
SP
1
SHO
R
TP
IN
2
3
1
X2
CST12.0M
T
W
C134
18pF
C135
27pF
P90
P91
P92
P93
P94
P95
P96
VCC
VCC
14
MA
-406
2,3pi
n : NC
X3
MA
-406
VCC
C163
0.1uF
C15
10uF/10V
,OS
C133
6pF
C132
6pF
X1
1
X2
2
GND
3
FS
0
4
CLK
5
VDD
6
FS
1
7
OE
#
8
IC9
W4
2C31-
0
3
R108
0
R107
0
FB
1
BFW7
550R2
D[0..7]
A[0.
.19]
A[0.
.19]
D[0..7]
/CS0
COR
D
VCC
D0
D1
D2
D3
D4
D5
D6
D7
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A19
VCC
P104
VCC
C129
0.1uF
C6
10uF/10V
,OS
D0
15
D1
17
D2
19
D3
21
D4
24
D5
26
D6
28
D7
30
D8
16
D9
18
D10
20
D11
22
D12
25
D13
27
D14
29
VCC
23
A0
11
A1
10
A2
9
A3
8
A4
7
A5
6
A6
5
A7
4
A8
42
A9
41
A10
40
A11
39
A12
38
A13
37
A14
36
A15
35
A16
34
A17
3
A18
2
VS
S
13
OE/OE
14
CE/CE
12
A19
43
VS
S
32
D15/A-1
31
NC
1
NC
44
BHE
33
IC1
LH5388W
S(CGRO
M)
IC1 for JAPA
N
D[0..7]
D[0..7]
/CS0
Vc
c:16
pin
G
N
D
:8pin
/RD
VCC
COR
D
BCLK
P71
/HOLD
R115
10K
R114
0
R113
0
A
2
B
3
G
1
Y0
4
Y1
5
Y2
6
Y3
7
IC5A
74F139
A
14
B
13
G
15
Y0
12
Y1
11
Y2
10
Y3
9
IC5B
74F139
R114:for J
apan
VCC
/RDY
/RES
E
T
VCC
Vc
c:14
pin
G
N
D
:7pin
C130 220pF
D
2
CLK
3
Q
5
Q
6
P
R
4
C
L
1
IC6A
74F74
D
12
CLK
11
Q
9
Q
8
P
R
1
0
C
L
1 3
IC6B
74F74
IC6 for JAPA
N
X1
2/4
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