Casio EX-266B Page 21 Service Manual Download

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Name

Board No.

Drawing No.

E240060

ANI4
ANI5
ANI6
ANI7

AVss

P73
P74

RESET

P20
P21
P22
P23
P24
P25
P26
P27

VDD
FIP0
FIP1
FIP2
FIP3
FIP4
FIP5
FIP6

P32
P31
P30
INTP3
INTP2
INTP1
INTP0
IC
P72
P71
P70
VDD
P127
P126
P125
P124
P123
P122
P121
P120
P117
P116
P115
P114

P33

P34

P35

P36

P37

GND

XT2

XT1

AVref

AVdd

ANI0

ANI1

ANI2

ANI3

P113

P112

P111

P110

FIP17

FIP16

FIP15

FIP14

FIP13

FIP12

FIP11

FIP10

FIP9

FIP8

FIP7

24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1

41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64

PD78044AGF195-3B9

KI2

COM

KC0

KC1

KC2

KC3

KI0

KI1

KI2

KI3

KI4

KI5

KI6

KI7

PGM

REG

CAL

OFF

20
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
1
2

VF
Pdp
Pg
Pf
Pe
Pd
Pc
Pb
Pa
1G
2G
3G
4G
5G
6G
7G
8G
9G
VF
VN

10G

Pdp

Pt1

Pt2

REG

PGM

PWD

PAD3
PAD2
PAD1

KI7
KI6
KI5
KI4
KI3
KI2
KI1
KI0

WMO

PMO

PHD

KC3

PADC
DRW

G1
G2
G3
G4
G5
G6
G7

KC2

KC1

KC0

Sdp

COM

CAL

BUZZ

OFF

VDD

GND

VDD

100K

ECQ-B1H103-KF

HE60TKYB222K

DSTC50TKYR103K

GND

VBAT

LBON

CST4. 19MGW

100K

DTA143ZS

HE40TKCH100D X2

330K

C-10

(M90-76)

C-002RX

IC4
LB1268

GNDP

PKM22EPT-2001

DTC143ZS

GNDP

WD2

WD1

HE40TKYB221K

LB1268

CRH100-FH11J-10R

100K

PR8
PR7
PR6
PR5

100K

GNDP

GND

2200P X3

52011-0810

DSTC50TKYR103K

SBT-0180W

ECQ-B1H103-KF

SBT-0180W

LB1268

HE60TKYB222K

DSTC50TKYR103K

PR4

PR3

PR2

PR1

2
1
4
3

ISMA-9604S-4C

VDW

IL-G-2P-S3T2-E

DR2

DR1

HE40TKYB221K

1SR35-100A

4.7K

2.2K

GNDP

2SD1961(S)

2SA933

PWD

HE40TKYB101K X2

VF2

VF1

LBDN

S-80728AN

ISMA-9604S-21C

DISP1

NC: 3, 4, 15, 16, 17, 18, 19, 20, 21

22, 23, 24, 25, 26, 27, 38, 39

10-MT-75GC

CN3

IMSA-9604S-20C

PAD2

PAD1

PAD CONDITION

PAD 1
OPEN

PAD 2
OPEN

BLOCK DIAGRAM

E266-1 (1/2)

PCR-255

Summary of Contents for EX-266B

Page 1: ...SERVICE MANUAL ELECTRONIC CASH REGISTER without price Printer Model M42V PCR 260 EX 266B PCR 255 EX 267B SEP 1996...

Page 2: ...6 3 Printer drive circuit 6 6 4 Pin description 6 7 DISASSEMBLY 8 7 1 To open the upper case 8 7 2 To remove the Main PCB 8 7 3 To remove the keyboard ass y 8 8 DIAGNOSTOC OPERATIONS 9 8 1 To start t...

Page 3: ...od 1 year 25 C Battery life Replace every 1 year Clock and calender Accuracy Within 30 sec per month Auto calender Effective until 2099 A D Environment Operating temperature 0 C 40 C Operating humidit...

Page 4: ...260 Roll paper Same as PCR 260 Drawer S drawer Coin 5 Bill 4 DL 1319 PCR 255 3 OPTION PCR 260 255 Wet cover WT 69 4 MAC OPERATION Memory All Clear Operation 1 Set the Mode Switch to OFF 2 Plug the pow...

Page 5: ...3 Voltage detection Winder Motor drive circuit Printer drive circuit Drawer drive circuit Reset IC Buzzer KEYBOARD DISPLAY CPU 5 BLOCK DIAGRAM...

Page 6: ...it 1 Plug the power cord into AC outlet secondary voltage 9 65VAC of the power transformer T1 will be appears at A point 2 Then its AC voltage is rectified by the diode bridge and change it to DC volt...

Page 7: ...eset circuit When the voltage level at the pin No 17 of CPU is not stable CPU does not work properly To make a stable voltage the reset IC S 80728AN is used for this circuit In case the voltage level...

Page 8: ...used 10 P26 SO0 SB1 In Out Not used 11 P25 SI0 SB0 In Out Not used 12 P24 BUSY In Out Not used 13 P23 STB Out H H H Strobe signal for AVREF 14 P22 SCK1 Out L H H SK signal for EEPROM 15 P21 SO1 Out L...

Page 9: ...L L Key input signal KI4 57 P123 FIP29 In L L L Key input signal KI3 58 P122 FIP28 In L L L Key input signal KI2 59 P121 FIP27 In L L L Key input signal KI1 60 P120 FIP26 In L L L Key input signal KI...

Page 10: ...backward 3 Lift up the upper case and remove the drawer connector 7 2 To remove the Main PCB 1 Remove all cables on Main PCB and release 3 pcs of screw B 2 Take out the Main PCB ass y 7 3 To remove th...

Page 11: ...nostic does not start 0 0 0 0 0 0 0 0 0 0 0 0 0 2 d1d2d3d4 d5d6d7 Print ing Layout 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 8 6 2 1 Receipt sample d1d2d3d4 Version No d5 PAD condition 0 Japan 1 Export ADD2 2 US...

Page 12: ...isplay PAD1 condition EEPROM mounted 1 No EEPROM 0 PAD2 condition Open 1 Short 0 Export version Non taxable PAD Short 1 Open 0 export version FEED button OFF 0 ON 1 Mode key condition PRG 1 X 5 RF 2 Z...

Page 13: ...1 key and SUB TOTAL key The machine executes the following tests 2 Mode selection Receipt Journal Press 2 key and SUB TOTAL key Change the mode to Journal from Receipt 3 Read Write test for EEPROM Th...

Page 14: ...ss C key 4 To escape the diagnostic operation Execute the MAC operation Memory All Clear Note Make sure to remove the memory protection batteries 8 0 0 0 0 0 0 0 0 0 0 CA Z 1 1 1 1 1 1 1 1 1 1 CH 1 2...

Page 15: ...1 2 3 9 IC DATA 9 1 LB1268 9 2 S 80728AN Z Bottom view 1 OUT 2 VDD 3 VSS 1 4 8 5 Equivalent circuit IN1 IN2 IN3 1 2 3 4 6 8k 6 8k 2k 2k 3 4k 1k TR2 TR1 TR3 TR5 TR4 TR6 15k 30k 30k GND D3 D2 D1 270 270...

Page 16: ...8 5 2 00 9 6 3 4 3 2 1 AC C PLU 9 5 10 8 7 6 FEED ERR CORR DEPT SHIFT CLK AMT TEND FOR DATE TIME T S1 T S2 MD ST 2P TRANS TE 266 E2U DISPLAY 10 MT 75GC PRIMARY BATTERY 2P X3 B C D G BU UM 3 PZ A LR6PG...

Page 17: ...2G 3G 4G 5G 6G 7G 8G 9G VF VN 1 2 5 6 7 8 9 10 11 12 13 14 28 29 30 31 32 33 34 35 36 37 40 41 VF VF 10G 9G 8G 7G 6G 5G 4G 3G 2G 1G Pa Pb Pc Pd Pe Pf Pg Pdp Pt1 Pt2 VF VF REG RF PGM RP Pt PWD PT PAD3...

Page 18: ...1 C7 10V100uF R16 560 R17 150 HE60TKYB222K C9 ZD5 RD3 3EB2 VDD R14 470K Q7 2SC945 C23 ECQ B1H103 KF C28 DSTC50TKYR103K CRH100 FH11J 1R0 1S2075K RD24EB2 R3 D6 ZD3 1S2075K 2SD1803 T 8 9 10V100 50V4 7uF...

Page 19: ...2 3 4 5 6 7 PGM RF OFF REG CAL X Z 8 COM IMSA 9604S 8C PCB E266 E3 1 19 18 16 15 12 11 21 20 10 K I 7 K I 6 K I 5 K I 4 K I 3 K I 2 K I 1 K I 0 K C 3 K C 2 K C 1 K C 0 KEY 13 KEY 11 KEY 19 KEY 18 KEY...

Page 20: ...1 AC C PLU 9 5 10 8 7 6 FEED ERR CORR DEPT SHIFT CLK AMT TEND FOR DATE TIME T S1 T S2 MD ST 4P 2P TRANS TE 266 E2U DISPLAY 10 MT 75GC PRIMARY BATTERY 2P X3 E266 1 DRAWER WINDER MOTOR PRINTER M 42V 2P...

Page 21: ...2G 3G 4G 5G 6G 7G 8G 9G VF VN 1 2 5 6 7 8 9 10 11 12 13 14 28 29 30 31 32 33 34 35 36 37 40 41 VF VF 10G 9G 8G 7G 6G 5G 4G 3G 2G 1G Pa Pb Pc Pd Pe Pf Pg Pdp Pt1 Pt2 VF VF REG RF PGM RP Pt PWD PT PAD3...

Page 22: ...100uF R16 560 R17 150 HE60TKYB222K C9 ZD5 RD3 3EB2 VDD R14 470K Q7 2SC945 C23 ECQ B1H103 KF C28 DSTC50TKYR103K CRH100 FH11J 1R0 1S2075K RD24EB2 R3 D6 ZD3 1S2075K 2SD1803 T 8 9 10V100 50V4 7uF D5 C4 C1...

Page 23: ...2 3 4 5 6 7 PGM RF OFF REG CAL X Z 8 COM IMSA 9604S 8C PCB E266 E3 1 19 18 16 15 12 11 21 20 10 K I 7 K I 6 K I 5 K I 4 K I 3 K I 2 K I 1 K I 0 K C 3 K C 2 K C 1 K C 0 KEY 13 KEY 11 KEY 19 KEY 18 KEY...

Page 24: ...5 6 7 8 9 10 11 12 13 14 28 29 30 31 32 33 34 35 36 37 40 41 20 2 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 1 VF VN 9G 8G 7G 6G 5G 4G 3G 2G 1G Pa Pb Pc Pd Pe Pf Pg Pdb VF E267 E2 CON 1 IMSA 9604S 20...

Page 25: ...6A C8 CN4 C9 ZD1 R2 R3 C10 B E Q1 C6 B 1 CN1 1 2 Q2 E B D6 R4 C7 Q3 E B C11 C12 D8 E B Q4 2 1 R7 CN2 R9 ZD4 D7 VN R10 CN5 2 C13 VF1 1 D 2 4 1 B 12 BZ1 B 8 IC1 C19 S 80728AN C20 R12 VDD Q6 E B VP ZD5 R...

Page 26: ...otes 1 Price and specifications are subject to change without notice 2 As for order supply of spare parts refe to the GUIDE BOOK for spare parts supply a separate publication 3 Numbers in the item col...

Page 27: ...25 1 MAIN PCB BLOCK 2 2ND DISPLAY BLOCK PCR 255 ONLY 3 POWER SUPPLY BLOCK 4 KEYBOARD BLOCK 8 DRAWER BLOCK 7 PRINTER BLOCK 5 UPPER CASE BLOCK 6 OTHERS...

Page 28: ...film resistor CR 25 150OHMJ 1 C R1 15 21 Carbon film resistor CR 25 1KOHMJ 5 C R22 23 R8 Carbon film resistor CR 25 2 2KOHMJ 1 C R6 Carbon film resistor CR 25 24KOHM J 1 C R13 Carbon film resistor CR...

Page 29: ...ctor 2P IL G 2P S3T2 E 1 C CN6 3540 4759 PCB connector IMSA 9604S 21C 1 C F1 3631 0330 Fuse 237001 U S A Canada 1 A Other countries F1 3640 2331 Fuse holder UF 0033 2 C X1 2520 3445 Crystall oscillato...

Page 30: ...219 Display tube 10 MT 75GC 1 A 3540 4780 PCB connector IMSA 9604S 20C 1 C 6246 2550 FFC joiner E267 E412162 1 1 C 4 6246 1980 Display fixing stand L E412090 1 1 X 5 6246 1970 Display fixing stand R E...

Page 31: ...1858 1 1 X 2 6246 2850 Transformer cover E311870 1 1 X 3 6220 1746 Winder rubber E410716 1 1 A 4 6246 1980 Display fixing stand L E412090 1 1 X 5 6246 1970 Display fixing stand R E412089 1 1 X 6 3701...

Page 32: ...30 14 15 31 16 17 19 20 28 22 18 21 23 25 29 26 27 24 34 32 30 33 4 KEYBOARD BLOCK...

Page 33: ...1 C 20 6245 7350 S button 00 E311792 11 1 C 21 6245 7260 S button 2 E311792 2 1 C 22 6245 7270 S button 3 E311792 3 1 C 23 6245 7280 S button 4 E311792 4 1 C 24 6245 7290 S button 6 E311792 5 1 C 25...

Page 34: ...56 1 1 B 40 6246 2760 Spacer E266 E311857 1 1 B 41 6246 2030 Mode key plate E266BC PCR 260 E412138 11 1 C 41 6246 2040 Mode key plate E266BC PCR 255 E412138 12 1 C 42 1090 5329 Printer unit M 42V 001...

Page 35: ...010 Key set sub ass y E312046 3 U S A Canada U K 1 B 6246 1870 OP key E311853 1 2 B 6246 1910 PRG key E311853 5 2 B 55 6221 4029 Paper holding spool E411393 1 1 B 56 6215 8506 Paper cutter E94 E42592...

Page 36: ...113 112 114 118 109 131 115 107 108 101 143 101 135 106 133 139 137 116 Ink roll ass y 119 101 145 117 132 125 105 The exploded diagram is made based on the standard specification of our company When...

Page 37: ...1908 7318 Selective pawl spring F818209010 1 C 122 1909 1858 Paper feeding transmission gear F815212010 1 C 123 1903 0220 Paper feeding ratchet wheel F801202030 1 C 124 1906 8904 Print change over ca...

Page 38: ...36 201 202 204 208 205 212 206 211 207 213 214 209 210 226 225 227 222 228 220 214 216 217 218 221 219 215 223 229 203 8 DRAWER UNIT DL 1319...

Page 39: ...211 6246 5220 Bill holder spring E412160 1 4 A 212 6246 6571 Bill holder fixing plate E311873 1 1 C 213 6246 6585 Partition plate E340010 5 3 B 214 Screw 3X8 ZMC 3 3 X 215 5500 0885 Solenoid ass y STC...

Page 40: ......

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