Sharp ER-A850 (serv.man2) Service Manual ▷ View online
2. Options
No.
NAME
MODEL
DESCRIPTION
1
Customer display
ER-A8DP
digits/7 segument type
2
Remote printer
ER-03DW
Max. 4 units
3
Coin case
ER-48CC3
4B/8C
4
Coin case cover
ER-02CV1
∼
5
For ER-48CC3
5
Expansion RAM disk PWB
ER-03MB
1MB PS-RAM
ER-04MB
2MB PS-RAM
6
RS-232 & CENTRO I/F board
ER-A8RS
RS-232 9 pins connector: 2 ports
CENTRO 25 pins connector: 1 port
CENTRO 25 pins connector: 1 port
7
MCR (Magnetic Card Reader)
ER-A8MR
3. Service options
No.
NAME
PARTS CODE
PRICE
DESCRIPTION
1
Last terminator (50
Ω
)
QCNCM7145RCZZ
Connected to the SRN in-line system end machine.
2
1 hole clerk key (#7)
LKGIM7373RC07
3
1 hole clerk key (#8)
LKGIM7373RC08
4
1 hole clerk key (#9)
LKGIM7373RC09
5
1 hole clerk key (#10)
LKGIM7373RC10
6
1 hole clerk key (#11)
LKGIM7373RC11
7
1 hole clerk key (#12)
LKGIM7373RC12
8
1 hole clerk key (#13)
LKGIM7373RC13
9
1 hole clerk key (#14)
LKGIM7373RC14
10
1 hole clerk key (#15)
LKGIM7373RC15
11
1 hole clerk key (#16)
LKGIM7373RC16
12
1 hole clerk key (#17)
LKGIM7373RC17
13
1 hole clerk key (#18)
LKGIM7373RC18
14
1 hole clerk key (#19)
LKGIM7373RC19
15
1 hole clerk key (#20)
LKGIM7373RC20
16
1 hole clerk key (#21)
LKGIM7373RC21
17
1 hole clerk key (#22)
LKGIM7373RC22
18
1 hole clerk key (#23)
LKGIM7373RC23
19
1 hole clerk key (#24)
LKGIM7373RC24
20
1 hole clerk key (#25)
LKGIM7373RC25
21
1 hole clerk key (#26)
LKGIM7373RC26
22
1 hole clerk key (#27)
LKGIM7373RC27
23
1 hole clerk key (#28)
LKGIM7373RC28
24
1 hole clerk key (#29)
LKGIM7373RC29
25
1 hole clerk key (#30)
LKGIM7373RC30
26
1 hole clerk key (#31)
LKGIM7373RC31
27
1 hole clerk key (#32)
LKGIM7373RC32
28
1 hole clerk key (#33)
LKGIM7373RC33
29
1 hole clerk key (#34)
LKGIM7373RC34
30
1 hole clerk key (#35)
LKGIM7373RC35
31
1 hole clerk key (#36)
LKGIM7373RC36
32
1 hole clerk key (#37)
LKGIM7373RC37
33
1 hole clerk key (#38)
LKGIM7373RC38
34
1 hole clerk key (#39)
LKGIM7373RC39
35
1 hole clerk key (#40)
LKGIM7373RC40
36
1 hole clerk key (#41)
LKGIM7373RC41
37
1 hole clerk key (#42)
LKGIM7373RC42
38
1 hole clerk key (#43)
LKGIM7373RC43
39
1 hole clerk key (#44)
LKGIM7373RC44
40
1 hole clerk key (#45)
LKGIM7373RC45
41
1 hole clerk key (#46)
LKGIM7373RC46
42
1 hole clerk key (#47)
LKGIM7373RC47
43
1 hole clerk key (#48)
LKGIM7373RC48
44
1 hole clerk key (#49)
LKGIM7373RC49
45
1 hole clerk key (#50)
LKGIM7373RC50
46
1 hole clerk key (#51)
LKGIM7373RC51
– 3 –
No.
NAME
PARTS CODE
PRICE
DESCRIPTION
47
1 hole clerk key (#52)
LKGIM7373RC52
48
1 hole clerk key (#53)
LKGIM7373RC53
49
1 hole clerk key (#54)
LKGIM7373RC54
50
1 hole clerk key (#55)
LKGIM7373RC55
51
1 hole clerk key (#56)
LKGIM7373RC56
52
1 hole clerk key (#57)
LKGIM7373RC57
53
1 hole clerk key (#58)
LKGIM7373RC58
54
1 hole clerk key (#59)
LKGIM7373RC59
55
1 hole clerk key (#60)
LKGIM7373RC60
56
1 hole clerk key (#61)
LKGIM7373RC61
57
1 hole clerk key (#62)
LKGIM7373RC62
58
1 hole clerk key (#63)
LKGIM7373RC63
4. Service tool
No.
NAME
MODEL
PRICE
NEW
DESCRIPTION
1
Service tool kit
DKIT-8656BHZZ
N
ISA checker, ISA relay board & RAM PWB relay board
2
Printer connector signal loop
check cable
check cable
UKOG-6717RCZZ
N
For ER-A8RS CENTRO connector
3
MCR test card
UKOG-6718RCZZ
N
For ER-A8MR
4
RS-232 loop back connector
UKOG-6705RCZZ
For RS-232 connector
5. Service tool
5-1. Service tool kit: DKIT-8656BHZZ
1) ISA checker
Used to repair or check the operation of the optional I/F.
•
External view
•
Plan view
RAM1A
LED circuit: Not used currently.
Test pins: Used to check the ISA bus signal.
ISA bus connectors:
Used to connect with the I/F PWB of ER-A8RS, etc.
Used to connect with the I/F PWB of ER-A8RS, etc.
Top view
of
of
1
Connected to the ER-A850/A880 ISA bus connectors.
– 4 –
•
Connection diagram
2) ISA relay board
Connected to the ISA checker for installation of the optional I/F hori-
zontally and for repairing and checking the operation .
zontally and for repairing and checking the operation .
•
External view
•
Plan view
•
Connection diagram
3) RAM PWB relay board
Connected to the main PWB. By setting the optional RAM vertically,
the peripheral circuits of the main PWB can be checked.
the peripheral circuits of the main PWB can be checked.
•
External view
•
Plan view
ER-A850/880
ISA bus connector
ISA bus connector
ER-A8RS
ISA checker
ISA bus connector:
Used to check the ER-A8RS solder side.
Used to check the ER-A8RS solder side.
Connected to the ISA bus connector of ISA checker.
ISA bus connector:
Used to check the ER-A8RS parts side.
Used to check the ER-A8RS parts side.
Top view of
4
ER-03MB/04MB
RAM PWB relay board
ER-A850/880 main board
Top view of
5
Connected to the ER-03MB/04MB.
Connected to the ER-03MB/04MB connector
on the ER-A850/A880 main PWB.
on the ER-A850/A880 main PWB.
– 5 –
•
Connection diagram
5-2. Printer connector signal loop check cable:
UKOG-6717RCZZ
Connected to the centro connector (25 pin) of the ER-A8RS, and
used to check loop signals when executing diagnostics.
used to check loop signals when executing diagnostics.
•
External view
•
Plan view and connection diagram
•
Connection diagram
5-3. MCR test card: UKOG-6718RCZZ
•
Used when executing the diagnostics of the ER-A8MR.
•
External view
ER-A8RS solder side
ISA relay board
ER-A8RS parts side
ISA checker
ER-A850/A880 ISA PWB
Signal name
Pin No.
1
STROBE-
2
DB0
3
DB1
4
DB2
5
DB3
6
DB4
7
DB5
8
DB6
9
DB7
10
ACK-
11
BUSY
12
PE
13
SLCT
14
AUTOFD-
15
ERROR-
16
INIT-
17
SLCTIN-
18~25
PE
Signal name
Pin No.
1
STROBE-
2
DB0
3
DB1
4
DB2
5
DB3
6
DB4
7
DB5
8
DB6
9
DB7
10
ACK-
11
BUSY
12
PE
13
SLCT
14
AUTOFD-
15
ERROR-
16
INIT-
17
SLCTIN-
18~25
PE
150±8
– 6 –
Click on the first or last page to see other ER-A850 (serv.man2) service manuals if exist.