Casio QT-2100 User manual

SERVICE MANUAL
ELECTRONIC CASH REGISTER
(without price)
QT-2100(EX-590)
FEB. 2002

CONTENTS
QT-2100 PAGE
1. SPECIFICATIONS........................................................................................ 1
2. CONNECTOR LOCATIONS ........................................................................ 3
3. INITIALIZE (MAC) OPERATION.................................................................. 4
4. DISASSEMBLY............................................................................................ 9
5. CIRCUIT EXPLANATIONS ........................................................................ 14
6. OPTION INSTALLATION........................................................................... 27
7. IN LINE ....................................................................................................... 33
8. ON LINE ..................................................................................................... 36
9. DIAGNOSTIC OPERATION....................................................................... 39
10. ERROR CODE LIST................................................................................... 55
11. IC DATA ..................................................................................................... 62
12. PCB LAYOUT ............................................................................................ 68
13. CIRCUIT DIAGRAMS................................................................................. 70
14. PARTS LIST............................................................................................... 90

— 1 —
1. SPECIFICATIONS
1-1. Electrical specifications
1-2. Environmental specifications
1-3. Main components
• Operating temperature 0 °C ~ 40 °C
• Operating humidity 10 % ~ 90 %
• Storage temperature -20 °C ~ 60 °C
• Storage humidity 10 % ~ 90 %
• Vibration strength 1.5 G (The machine must be in the carton box)
• CPU Name HD6417709AF133B
Number of control bit32 bits
Internal RAM 16 KBytes
• RAM1, 2, 3 and 4 Name MSM51V18165DSL-6TKFB
Capacity2 Mbits x 2pcs(Standard RAM1,2)
• Video RAM Name LC35256FT-70U
Capacity 256 Kbytes
• Flash ROM Name MBM24DL324BE90PFTN
Capacity4 Mbits
120V 220V 230V 240V
•Power consumption In operation Max. 0.6 A 0.4A 0.4A 0.4A
stand-by Max. 0.15 A 0.09A 0.09A 0.08A
•Memory protection Back-up battery VL3032/SGA
Back-up period 30 days (25 °C)
Battery life Replace the battery every 5 years.
Recharge time 48 hours
•Clock & Calendar Accuracy Within ±30 sec. per month (25 °C)
Auto calendar Effective until 2099 A.D.
1-4. Drawer List
DRAWER NAME Type Specification NOTE
•DL-2780 M D-18BC-B84M-13* Europe, other countries
•DL-2916 M D-18BC-B87M-13* Europe
•DL-2781 M D-18BC-B84SM-13* Europe, UK, Germany
•DL-2917 M D-18BC-B87SM-13* Europe, UK, Germany
•DL-3618 L D-17BT-B65SM-9* USA, Canada
•DL-3619 L D-17BT-B65M-9* Europe

— 2 —
1-5. Option List
DEVICE NAME MODEL NOTE
•Dallas key (Clerk key) CLK-K22 for 6 clerk
•MCR (Magnetic card reader) QT-2046MC
•Rear display QT-2160D
•Sheet holder SH-KIT8 1 holders (1st - 4th)
•Sheet holder SH-KIT9 2 holders (1st - 4th, 5th - 8th)
•RAM CHIP QT-2130RAM Capacity 4 Mbytes, Backup battery
•Multi drawer kit MDL-11 additional 1 drawer
•Remote display QT-2163D
•Option pole QT-2061S For Remote display
•Remote display cable QT-2162S
•PC cable PRL-CB-2
•Sheet cover WT-81
•Slip printer SP-1300
•Slip printer cable PRT-CB-8C Length 1.5m
•Remote printer UP-250
•Remote printer UP-350
•Remote printer SA-3015
•Printer cable PRT-CB-8B Length 5m
•Printer cable PRT-CB-8A Length 3m
•Printer power supply PS-170 Power supply unit
•Printer AC AC-170 AC cord
•Handy scnner HHS-15
•CF Memory Card SDCFB-xx-505
•Modem 56k External Faxmodem
“US Robotics”
•Modem 56k External Voice
Faxmodem
“US Robotics”
•ISDN TA ELSA MICROLINK Only in Germany
TL-Pro (ISDN)
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the manufacturer.
Dispose of used batteries according
to the manufacture’s instructions.
VORSICHT !
Explosionsgefahr bei unsachgemäßem Austausch der
Batterie.
Ersatz nur durch denselben oder einen vom
Hersteller empfohlenen gleichwertigen Typ.
Entsorgung gebrauchter Batterien nach
Angaben des Herstellers.
ADVARSEL !
Lithiumbatteri - Eksplosionsfare ved fejlagtig hándtering.
Udskiftning má kun ske med batteri
af samme fabrikat og type.
Levér det brugte batteri tilbage til leverandØren.

— 3 —
2. CONNECTOR LOCATIONS
COM1 Port (PC/MODEM)
COM4 Port
COM5 Port
COM6 Port
COM3 Port (REMOTE DISP)
IN LINE SELECTOR
IN LINE2 TERMINATOR
IN LINE2 IN
IN LINE2 OUT
POWER SWITCH
SLIP POWER
COM2 Port (SCANNER)
IN LINE1

— 4 —
3. INITIALIZE (MAC) OPERATION
3-1.How to initialize QT-2100 terminal
Preparation: 1. All peripheral devices and QT-2100 terminals of this cluster
should be turned off.
2. Connect all of the peripheral devices (such as printer, display
etc.) to QT-2100 terminal.
3. Connect all QT-2100 terminals by in-line.
Operation: 4. Turn on all peripheral devices of a QT-2100 terminal.
5. TurnonthisQT-2100terminalwithpressingtheleft-mostkeyof
the top row and release the key after buzzer sounds.
6. After releasing the key, enter “other = 1000, USA = 2000” and
press the right part of the <ST> key.
7. Data:
Enterthecurrentdate(YY/MM/DDorder)andpressthe<YES>
key.
8. Time:
Enterthecurrentdate(HH/MM/SSorder)andpressthe<YES>
key.
9. ID Character:
In ID character field, the auto-defined ID No. is shown.
We recommend that you should not change the value.
Date 01-10-10
Time 12:34 00
Check System Master
Check Cluster ID 0
ID Character MC #01
R/J/Order Printer(1) No
R/J/Order Printer(2) No
R/J/Order Printer(3) No
Slip Printer No
OK? YES
Time 12:34 00
Check System Master
Check Cluster ID 0
ID Character MC #01
R/J/Order Printer(1) No
R/J/Order Printer(2) No
R/J/Order Printer(3) No
Slip Printer No
OK? YES
Date 01-10-10
Check System Master
Check Cluster ID 0
ID Character MC #01
R/J/Order Printer(1) No
R/J/Order Printer(2) No
R/J/Order Printer(3) No
Slip Printer No
OK? YES
Date 01-10-10
Time 12:34 00
Check System Master
Check Cluster ID 0
ID Character MC #01
R/J/Order Printer(1) No
R/J/Order Printer(2) No
R/J/Order Printer(3) No
Slip Printer No
OK? YES
Date 01-10-10
Time 12:34 00

— 5 —
10.Check System:
Align the cursor as shown to the left.
The following is displayed by pressing <YES> key.
Selectone fromthe itemsinthe abovefigure andpress <YES>
key.
11.Check System:
Align the cursor as shown to the left.
The following is displayed by pressing <YES> key.
Selectone fromthe itemsinthe abovefigure andpress <YES>
key.
12.Check System:
Align the cursor as shown to the left.
The following is displayed by pressing <YES> key.
Selectone fromthe itemsinthe abovefigure andpress <YES>
key.
13.Please confirm all of the field and if they are all right, press the
<YES> key to proceed the next step.
Check System Master
Check Cluster ID 0
ID Character MC #01
R/J/Order Printer(1) No
R/J/Order Printer(2) No
R/J/Order Printer(3) No
Slip Printer No
OK? YES
Date 01-10-10
Time 12:34 00
Check System
1. Master
2. Backup Master
3. Satellite
4. Selfmaster
R/J/Order Printer2
1. No
2. UP-350
3. SA-3015
4. UP-250
Check System Master
Check Cluster ID 0
ID Character MC #01
R/J/Order Printer(1) No
R/J/Order Printer(2) No
R/J/Order Printer(3) No
Slip Printer No
OK? YES
Date 01-10-10
Time 12:34 00
Check System Master
Check Cluster ID 0
ID Character MC #01
R/J/Order Printer(1) No
R/J/Order Printer(2) No
R/J/Order Printer(3) No
Slip Printer No
OK? YES
Date 01-10-10
Time 12:34 00
Slip Printer
1. No
2. SA-3015
3. SP-1300
Check System Master
Check Cluster ID 0
ID Character MC #01
R/J/Order Printer(1) No
R/J/Order Printer(2) No
R/J/Order Printer(3) No
Slip Printer No
OK? YES
Date 01-10-10
Time 12:34 00

— 6 —
14.If you want to download program data from other terminal,
Please select one of “2” or “3” and Press <YES> key.
If you don’t need to download any program data, select “1. No
Restore / Receive” and Press <YES> key. The initialization of
this terminal is completed.
1. No Restore / Receive
2. PGM Restore (CF Card)
3. PGM Restore (Inline)
AUTO PGM
■When “2. PGM Restore (CF card)” is selected
1The file name list of the AUTO PGM data inside the CF CARD
is displayed.
Note: The files are displayed in the order they are found.
They may not be listed in chronological order.
2Selecting a file name displays the confirmation as shown in the
left figure.
Press <ESC> to return to the previous screen.
3When <YES> is pressed: the file is restored from the CF card,
followed by “End” display.
Press<NO>or<ESC>toendandreturntothepreviousdisplay.
4Press <ESC> to end CF Card and change to waiting mode.
CF Card
Data Restor
*1. PLUPGM1 .004****
2. PLUPGM2 .004
3. PLUPGM3 .004
4. STORE-AA.090
5. STORE-BB.090
6. STORE-CC.090
7. STORE-DD.090
8. SETMENU .028
0. 00
* * *
Are you sure to restore?
STORE-AA.090
CF Card
0. 00
* * *
CF Card 20
Data Restore 090
Normal End
CF Card
0. 00

— 7 —
■When “3. PGM Restore (IN LINE)” is selected
1Select one of the following for the Receive PGM.
1. All Data: Eincluding totalizer, CHK, Index&Detail
2. All PGM
2Select receive terminal.
3Align the cursor and press <YES> key.
When INLINE AUTO PGM normally ended. When INLINE AUTO PGM abnormally ended.
Notes: There is no retry even when abnormally ended.
Ineither(normalorabnormal)ending,press<ESC>to
end INLINE AUTO PGM and change to waiting mode.
Receive Data *All*Data**** 1
PGM Receive from *MC*#1******* 2
OK? *Yes* 3
Normal End
31-12-96 11:59PM
Receive Data All Data
PGM Receive from MC #01
Normal End
31-12-96 11:59PM
Receive Data All Data
PGM Receive from MC #01
OK? YES
Normal End
31-12-96 11:59PM

— 8 —
3-2. How to initialize QT-2100 terminal (add/replace one QT-2100)
1. All peripheral devices and QT-2100 terminals of this cluster should be turned off.
2. Connect all of the peripheral devices (such as printer, display etc.) to this QT-2100 terminal.
3. Connect this QT-2100 terminal to in-line.
4. Turn on all peripheral devices of this QT-2100 terminal.
And turn on all QT-2100 except this terminal of the cluster.
5. Turn on this QT-2100 terminal with pressing the left-most key of the top row and release the key after
buzzer sounds.
6. After releasing the key, enter “other = 1000, USA = 2000” and press the right part of the <ST> key.
7. Refer to “2-1 How to initialize QT-2100 terminal” on page 3.
2-3. How to flag clear QT-2100 terminal (or INIT2)
Preparation: 1. This QT-2100 terminal should be turned off.
2. Checkthe connectionof allperipheral devices(suchasprinter,
display etc.) of this QT-2100 terminal.
3. Check the connection of this QT-2100 terminal to in-line.
Operation: 4. Turn on this QT-2100 terminal with pressing the right-most key
of the top row and release the key after buzzer sounds.
5. After releasing the key, press the <ST> key.
6. Select “1.Flag Clear” and press the <YES> kye.
The flag clear operation is finished.
Note:
Performing “Init 2” requires password “8888888888”.
0.00
10-10-01 12:34
INIT
1.Flag Clear
2.Init2

— 9 —
■ UPPER COVER
1. Remove the key sheet and two screws.
2. Remove the front cover by sliding it forward.
3. Remove the connector (CN5) and the keyboard block.
4. DISASSEMBLY
Screws
CN5

— 10 —
■ MAIN PCB
1. Remove the upper cover as shown in steps 1 to 3 of page 9.
2. Remove the seven connectors (CN13, CN14, CN15, CN11, CN9, CN8, CN7, CN18), two FPCs (CN16,
CN17) and five screws, and then the MAIN PCB.
CN13
CN15 CN16
CN11 CN10
CN17 CN18
CN9 CN7CN8
CN5
CN6
CN14
CN12
CN3
CN2
CN19
Screws

— 11 —
■ POWER UNIT
1. Remove the upper cover as shown in steps 1 to 3 of page 9.
2. Remove the rear cover.
3. Remove the three screws for the power unit.
4. Remove the two connectors (CN14, CN15) and the power unit.
Screws
CN14 CN15

— 12 —
■ LCD MODULE/INVERTER
1. Remove the two blinders (screw covers) and two screws.
2 Remove the LCD cover.
Note: Be careful not to lose the blind sheets at the volume.
3. Remove the two screws (plastic).
Note: Be careful not to break the screws.
4. Remove the two screws on the hinges.
Note: Put a towel etc. under the LCD unit to prevent from defects.
Screws
Screws
Screws
blind sheet x 2

— 13 —
5. Move the LCD unit to the left and remove the LCD cover.
Note: Lift 1 up slightly and move it in the direction of 2.
6 Remove the two connectors (CN1, CN2) as well as the earth cable, and then the LCD unit.
7. Remove the two stoppers and the inverter.
Hook
1
2
CN2CN1
Earth cable
blind sheet x 2
Note: When fixing the Hinge case, put the blind sheets in the direction in the figure below first and fix it by
positioning the slide switch in the center.
slide switch

— 14 —
5. CIRCUIT EXPLANATION
5-1. BLOCK DIAGRAM
LCD contrast/brightness
volume
Rear Display
(
+24V)
Power Supply
for SP-1300
E590-RAM
M51V18165DSL-6TKFB
E590-CNB1
E590-ARC
COM6
Modular Plu
g
Modular Plu
g
CPU
MPW6716 :
AC120V
MAIN BOARD
E590-E4
KEY_SHEET : FPC
Menu Sheet SW
Dallas key
Others : OPTION
Optional Hand Held Scanner
Optional MCR UNIT
CASIO STP cable
HHS-15
QT-2100
RS232C
COM2
QT-2160D
DL-2781
Optional DrawerOptional Drawer
U.S.A : STANDARD Others : OPTION
CU20029SCPB-W31A
E590-E42
QT-2046MC
DS9092
iButton Probe
QT-2100
CASIO STP cable
CAT.5 UTP cable CAT.5 UTP cable QT-2100
QT-2100
COM4DS1982-F5
FROM
E590-VOL
Optional RAM BOARD : QT-2130RAM
DRAM DRAM
HD6417709AF133B
PS100175-002
CFL
LCD UNIT
LRUBL616XA-1 QT-2100
E590-E41
COM5 COM1
MODEM PC DIRECT
SP-1300 SA-3015
UP-350 UP-250
E590-1
Standard SW
E590-RMT
COM3
Batter
y
Batter
y
Optional
POWER SUPPLY UNIT
E590-CNB2
DL-2780 DL-2916 DL-3618 DL-3619
Note : Do not connect REAR DISPLAY and REMOTE DISPLAY at the same time.
VL3032/SGA
DL-2917
POWER CORD
RS232C
Germany : STANDARD
iButton
M51V18165DSL-6TKFB
RS232C RS232C RS232C
MBM29DL324BE90TN-A
PS204-A : U.S.A., Canada, etc
OPTIONAL REMOTE CUSTOMER DISPLAY SYSTEM
RS232C
MP5004 : Great Britin M3203 : Austlaria M2511 : Europe, etc
QT-2163D
MPW6616 :
ëAC220 240V
CU20029SCPB-W31A
Optional Printer UNIT
Optional UNIT
Power supply for CFL

— 15 —
5 V Backup
3.3 V Backup
V-RAM
LCDC
IC4
EP-ROM
IC 10
IC 1
5 V RDISP
DALLAS DRAWER
MCR
BUZZER
KEY
MENU
I/O
CONTROLLER
IC11
3.3 V
5 V
SERIAL
SERIAL
RS232C
1.9 V + 3.3 V
CPUBUS
FROM
IC 9
EDORAM
IC 8, 12
EDORAM
(OPTION)
buf CF-CARD
buf PCMCIA
3.3 V or 5 V
GA
IC 15 ARC-NET
232C
232C
232C
232C
232C
5 V
3.3V unless otherwise specified
CPU (SH3)
IC7
back upVrtc only
5-2. LSI BLOCK DIAGRAM

— 16 —
POWER OFF
씮POWER ON
CPU PORT
INITIALIZ
DRAM
OPERATION
I/O CONTROLLER
OPERATION
FROM
OPERATION
KEY
INITIALIZ
NO
YES
YES
YES
NO
OK
OK
NO
NO
NO
RESUME
OPERATION
: Operations in BOOT ROM
Note: When CHECK SUM is NG, BOOT ROM waits for power off again because of error.
It sends information about FINIT/INIT/RESUME and the input register at time of INIT to applications.
FINIT
OPERATION
CHECK
SUM? CHECK
SUM?
11
1
1
StartUp C language
for BOOTER
Press INIT button
Press 'FINIT' button
Display INIT
Process register
Process register
IPL boot code
INIT OPERATION
5-3. SYSTEM FLOW

— 17 —
5-4. CPU (IC7)
5-4-1. MEMORY MAP
Area 0
FLASH-ROM
Area 1
I/O
Area 2
Area 3
EDORAM
EDORAM(OPTION)
Area 4
Area 5
CF
ARC-NET
UART
Area 6
PCMCIA
H’00000000
H’04000000
H’08000000
H’00000000
H’0E000000
H’10000000
H’14000000
H’14000000 CF
H’14800000
H’15000000 CF
H’15800000
H’16000000
H’16800000 ARC,UART
H’17000000
H’17800000
H’16800000 ARCENT
H’16900000
H’16A00000 UARTINT
H’16B00000 UART1
H’16C00000 UART2
H’16D00000 UART3
H’16E00000 UART4
H’16F00000 UART5
H’18000000 MEMORY
H’19000000 COMMON MEMORY
H’1A000000 I/O
H’1B000000
H’18000000
PCMCIA

— 18 —
5-4-2. Pin description
PIN NO PIN NAME I/O DESCRIPTION
1 MD1 IN VCC (3.3V)
2 MD2 IN GND
3 Vcc-RTC - Vrtc (1.90V)
4 XTAL2 OUT CLOCK (32.768KHz)
5 EXTAL2 IN CLOCK (32.768KHz)
6 Vss-RTC - RTC (GND)
7 NMI IN Not used
8 IRQ0/IRL0/PTH[0] IN/IN/I/O Power cut
9 IRQ1/IRL1/PTH[1] IN/IN/I/O UART INT
10 IRQ2/IRL2/PTH[2] IN/IN/I/O PCMCIA INT
11 IRQ3/IRL3/PTH[3] IN/IN/I/O IOC CPU CTS
12 IRQ4/PTH[4] IN/I/O ARCENT/Ether Net INT
13 D31/PTB[7] I/O Data bus (D31)
14 D30/PTB[6] I/O Data bus (D30)
15 D29/PTB[5] I/O Data bus (D29)
16 D28/PTB[4] I/O Data bus (D28)
17 D27/PTB[3] I/O Data bus (D27)
18 D26/PTB[2] - Data bus (D26)
19 VssQ I/O I/O Power supply (0V)
20 D25/PTA[1] - Data bus (D25)
21 VccQ I/O I/O Power supply (3.3V)
22 D24/PTA[0] I/O Data bus (D24)
23 D23/PTA[7] I/O Data bus (D23)
24 D22/PTA[6] I/O Data bus (D22)
25 D21/PTA[5] I/O Data bus (D21)
26 D20/PTA[4] I/O Data bus (D20)
27 Vss - GND
28 D19/PTA[3] I/O Data bus (D19)
29 Vcc - VCC
30 D18/PTA[2] I/O Data bus (D16)
31 D17/PTA[1] I/O Data bus (D17)
32 D16/PTA[0] I/O Data bus (D18)
33 VssQ I/O GND
34 D15 I/O Data bus (D15)
35 VccQ I/O I/O Power supply (3.3V)
36 D14 I/O Data bus (D14)
37 D13 I/O Data bus (D13)
38 D12 I/O Data bus (D12)
39 D11 I/O Data bus (D11)
40 D10 I/O Data bus (D10)
41 D9 I/O Data bus (D9)
42 D8 I/O Data bus (D8)
43 D7 I/O Data bus (D7)
44 D6 I/O Data bus (D6)
45 VssQ - I/O Power supply (0V)
46 D5 I/O Data bus (D5)
47 VccQ I/O I/O Power supply (3.3V)
48 D4 I/O Data bus (D4)
49 D3 I/O Data bus (D3)
50 D2 I/O Data bus (D2)
51 D1 I/O Data bus (D1)
52 D0 I/O Data bus (D0)
53 A0 OUT Address bus (A0)
54 A1 OUT Address bus (A1)
55 A2 OUT Address bus (A2)
56 A3 OUT Address bus (A3)
57 VssQ - I/O Power supply (0V)
58 A4 OUT Address bus (A4)
59 VccQ - I/O Power supply (3.3V)
60 A5 OUT Address bus (A5)
61 A6 OUT Address bus (A6)
62 A7 OUT Address bus (A7)
63 A8 OUT Address bus (A8)
64 A9 OUT Address bus (A9)
65 A10 OUT Address bus (A10)
66 A11 OUT Address bus (A11)
67 A12 OUT Address bus (A12)