Sharp ER-A520 Service Manual Download

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ER-A520U/ER-A530U

CIRCUIT DIAGRAM AND PWB LAYOUT

– 25 –

876

4/7

PRINTER DRIVER

14Pin :

VCC

IC21 7Pi

n : GND

JDS

JAS

RAS

RDS

STR

B1#

1,6

STR

B4#

1,6

STR

B2#

1,6

VHCO

STR

B3#

1,6

RPES#

JPFA#

JPFB#

JPFC#

JPFD#

JAS

JDS

RPFA#

RPFB#

RDS

RPFC#

RPFD#

RAS

PHUPS1

PHUPS

RPES

JAS

JBS

RAS

RBS

JPES

JPES#

VREF

FVHS

VPTE

VJCOM

VRCO

VCC

1SS3

R126

3.6KF

C91

1000pF

C93

10uF/50V

R132

C88

330pF

R117

4.7K

R113

4.7K

C84

100pF

C83

330pF

C85

0.1uF

T1.6A/25

R121

IC19

KIA431F

C94

10uF/50V

1SS3

R112

18KF

1SS3

2SK2

731

R115

100

FB2

BFR601009C8NG

R114

4.7K

C86

0.1uF

C87

10uF/50V

R130

20K

R120

9.1kF

R119

100

R124

1F(1W)

C90

0.1uF

IC17A

BA10393

R129

5.6K

R176

IC17B

BA10393

R125

1F(1W)

R136

1F(1W)

R127

IC18

SMA7036

6
1
15
10

3
13
9
4
12

SYNCA

SYNCB

RSA

OUT/A

OUTA

OUT/B

OUTB

INA

INB

REFA
REFB
RSB
GA
GB

R123

1kF

C95

22uF/16V

D10

1SS3

D2955V

R135

1F(1W)

C92

2200uF/35V

R133

9.1kF

1SS3

R118

R116

C89

1000pF

R128

C96

0.1uF

R122

16KF

R134

1kF

IC21D

74HC02

FB1

BFR601009C8NG

1SS3

IC21C

74HC02

1SS3

D11

1SS3

IC20

SMA7036

6
1
15
10

3
13
9
4
12

SYNCA

SYNCB

RSA

OUT/A

OUTA

OUT/B

OUTB

INA

INB

REFA
REFB
RSB
GA
GB

1SS3

Summary of Contents for ER-A520

Page 1: ...ment has been published to be used for after sales service only The contents are subject to change without notice ERA520USME ELECTRONIC CASH REGISTER ER A520 MODEL ER A530 U A version CHAPTER 1 SPECIFICATIONS 1 CHAPTER 2 OPTIONS 5 CHAPTER 3 MASTER RESET AND PROGRAM RESET 6 CHAPTER 4 HARDWARE DESCRIPTION 7 CHAPTER 5 DIAGNOSTIC PROGRAM 14 CHAPTER 6 IPL FROM EP ROM 19 CHAPTER 7 CIRCUIT DIAGRAM AND PW...

Page 2: ...Rear cover 2 RECEIPT Receipt paper feed key 2 JOURNAL Journal paper feed key 0 9 00 Numeric keys Decimal point key CL Clear key FOR Multiplication key RFND Refund key VOID Void key AMT Amount entry key CASH Cashier code entry key PLU UPC PLU UPC key INQ PLU UPC inquiry key PRICE CHANGE UPC price change key Discount 1 key 1 2 Percent 1 and 2 keys NC New check key PBLU Previous balance key FINAL Fin...

Page 3: ...ntry key REPEAT Repeat entry key GASSBTL Gasoline sales subtotal key P SHIFT Price shift number key SCALE Scale entry key L1 L5 PLU level shift 1 thru 5 keys P1 P6 Price level shift 1 thru 6 keys PRINT Validation print key CVCNT Cover count entry key NO DEL No delete key BS Bill separation key BT Bill totalize Bill transfer key CHECK ADD BIRTH Birthday entry key RFND SALES Refund sales key WASTE W...

Page 4: ...OPEN TARE Tare entry key REPEAT Repeat entry key AMT Amount entry key PRICE CHANGE UPC price change key BIRTH Birthday entry key RFND SALES Refund sales key WASTE Waste mode key C NEXT Condiment next key C CANCEL Condiment cancel key EDIT TIP Edit tip key GLU RECALL Table recall key FS SHIFT Food stamp shift key FS TEND Food stamp tender key OFF This mode locks all register operations No changes m...

Page 5: ...ystem Line thermal No of dot Receipt 360 dots Journal 360 dots Dot pitch Horizontal 0 125mm Vertical 0 125mm Font 10 dots W x 24 dots H Printing capacity Receipt Max 30 characters Journal Max 30 characters Character size 1 25 mm W x 3 0 mm H At 10 x 24 dots Print pitch Column distance 1 5 mm Row distance 3 75 mm Paper feed speed Approximate 65 mm s Reliability Mechanism MCBF 5milion lines Paper en...

Page 6: ...S For U version For A version Separation from the drawer Allowed Allowed Separation of the coin compart ments from the money case Disallowed Allowed Bill separator No No Number of compartments 5B 5C 5B 6C 5B 5C For U version 5B 6C For A version To lock insert the drawer lock key into the lock and turn it 90 degrees counter clockwise To unlock insert the drawer lock key and turn it 90 degrees clock...

Page 7: ...wer cord from the wall outlet 2 Set the mode switch to the SRV position 3 While holding down the JOURNAL FEED the RECEIPT FEED key plug in the AC power cord to the wall outlet 4 Repeat the same sequence as in Procedure A Note Procedure B cannot reset the hardware Procedure A must be used to reset the hardware 3 PROGRAM RESET Please use either Procedure A Procedure B or Procedure C Procedure A 1 Se...

Page 8: ...OM PO POPUP PUP LED LCD LCD 16 digits 7 digits x 2LINE RS232C CH2 DRAWER1 DRAWER1 CI 5V 500000h 600000h 700000h 800000h 900000h A00000h B00000h C00000h D00000h E00000h F00000h FFFFFFh F ROM 1MB EPROM 1MB EPROM 1MB F ROM 1MB NOT USED NOT USED NOT USED INTERNAL AREA 1BCLK 0WAIT Microprocessor mode MODE0 IPLION0 L IPLON0 H EXTERNAL AREA0 2BCLK 1WAIT EXTERNAL AREA1 3BCLK 2WAIT EXTERNAL AREA2 3BCLK 2WA...

Page 9: ...ss Bus A16 P41 77 A17 A17 O Out L Address Bus A17 P42 75 A18 A18 O Out L Address Bus A18 P43 73 A19 A19 O Out L Address Bus A19 P44 72 A20 CS3 A20 O Out L Address Bus A20 P45 71 A21 CS2 A21 O Out L Address Bus A21 P46 70 A22 CS1 A22 O Out L Address Bus A22 P47 69 A23 CS0 A23 O Out L Address Bus A23 P50 65 WR WR O Out L WRITE STROBE SIGNAL P51 64 BHE BHE O Out L NOT USED P52 63 RD RD O Out L READ S...

Page 10: ...124 LE O L Out L LCD ENABLE P125 68 P125 LWDL O L Out L LCD WRITE DATA LATCH P126 67 P126 IPLON0 I In IPL from ROM P127 66 P127 O Out L NOT USED P130 61 P130 ER2 O H In RS 232 ER2 P131 60 P131 CD2 I In RS 232 CD2 P132 58 P132 CS2 I In RS 232 CS2 P133 56 P133 DR2 I In RS 232 DR2 PORT PIN No Pin name Signal name I O Initial value After POFF Function P134 51 P134 ER1 O H In RS 232 ER1 P135 50 P135 CD...

Page 11: ...conversion must be performed to check that the voltage is stabilized before starting the operation 4 3 OTHER PORTS PHUPS 1 Head up PRES 0 Receipt paper end PJES 0 Journal paper end VHCOM 1 Thermal head power control On at H and OFF at L Turn off the power conduction when printing is completed the motor is stopped No CPU PORT Signal to be used 109 P10 RAS 108 P11 RBS 107 P12 RCS 106 P13 RDS 105 P14...

Page 12: ...LAY 6 1 LCD CONTROL LCD control is same as the ER A275P LCD related Register CPU PORT When the read busy flag of the LCD display remains busy for more than 500ms turn off LCDON P121 for 1ms and perform initializing No CPU PORT Signal to be used Function 130 AN0 TM PRINTER HEAD TEMPERATURE MONITOR 138 AN1 VPTEST PRINTER HEAD VOLTAGE MONI TOR 137 AN2 VREF REFERENCE VOLTAGE HEAD TEMPERATURE A D CONVE...

Page 13: ...153 KS3 KEY STROBE SIGNAL 3 126 P154 LS0 LED STROBE SIGNAL 0 125 P155 LS1 LED STROBE SIGNAL 1 124 P156 LS2 LED STROBE SIGNAL 2 123 P157 LS3 LED STROBE SIGNAL 3 No CPU PORT Signal to be used Function 46 P70 KR0 KEY RETURN SIGNAL 0 45 P71 KR1 KEY RETURN SIGNAL 1 44 P72 KR2 KEY RETURN SIGNAL 2 43 P73 KR3 KEY RETURN SIGNAL 3 42 P74 KR4 KEY RETURN SIGNAL 4 41 P75 KR5 KEY RETURN SIGNAL 5 40 P76 KR6 KEY ...

Page 14: ...e power to boost the EP ROM IPL from COM Data from PC are written into the FLASH ROM through the COM port Max 38 4kbps 10 DRAWER The ER 520 530 is provided with 2ch of drawer ports The drive time of the drawer solenoid is as follows 50ms max 45ms min CPU PORT DRAWER1 1 DRAWER 1 OPEN DRAWER2 1 DRAWER 2 OPEN DSEN 1 DRAWER OPEN D0 D6 3 a g D7 3 DP Pin No CPU PORT Signal to be used 42 RTS1 RS1 41 P65 ...

Page 15: ...n is changed from SRV to any other position excluding OFF position 15 POFF The POFF signal is changed from 0 to 1 when the 5V power and the 24V power reach the operating voltage level It is changed from 0 to 1 when the power falls below the operating volt age level POFF RESET TIMING CHART No CPU PORT Signal to be used Function 29 P80 BUZZER BUZZER SIGNAL No CPU PORT Signal to be used Function 26 I...

Page 16: ...procedure 3 Check that 4 End of testing You can exit the test mode by turning the mode switch to a position other than the PGM mode The printer prints as follows 1 0 1 Code Description 1 100 Display buzzer test 2 101 Key code 3 102 Printer test 4 104 Keyboard test 5 105 Mode switch test 6 106 Printer sensor test 7 107 Clock test 8 110 Drawer 1 open sensor test 9 111 Drawer 2 open sensor test 10 11...

Page 17: ...d However the end key TL is not added This data to which hard codes have been added is converted into a decimal number value which will become the sum check data that will be entered when DIAG is started 5 MODE SWITCH TEST 1 Key operation 105 3 2 Test procedure The above X must be read in the correct order If the contact is open 9 will be displayed 3 Check The display during testing and the conten...

Page 18: ... key The printer prints the following 1 1 1 10 LCD CG TEST 1 Key operation 116 3 2 Test procedure To check the display CG 256 pieces of built in CG s are grouped into 16 blocks and each 16 characters is displayed on the dot dis play At first CG code of 00H 0FH is displayed By pressing any key each block is displayed in sequence 3 Check that A Displays are clear B Free from blur chip off unevenness...

Page 19: ... standard RAM is checked 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 ...

Page 20: ...AD conversion port 3 End of testing You can exit the test mode by pressing any key The printer prints the following 1 6 0 16 POLE DISPLAY TEST UP P16DP is attached in DISPLAY CN 1 Key operation 400 3 2 Test procedure Displayed in the following procedure A test pattern Progresses to the following pattern by pushing arbitrary KEY i The following test pattern is displayed ii The test pattern of all b...

Page 21: ...ept STX and CR are displayed and the receipt is printed Whenever read and updated they are updated Receipt printing The read data is put in the left and printing and paper sending are carried out 3 Check Check whether the read data is right 4 End of testing You can exit the test mode by pressing any key The printer prints the following 5 1 0 Completion print RS TEST OK Error print RS TEST NG ERxx ...

Page 22: ...V position The IPL procedure is started When the procedure is completed the message of Completed is shown 6 Unplug the AC power cord from the AC outlet 7 Remove the IPL ROM from to the IC socket of the MAIN PWB 8 Set the IPL switch S1 to GND position 9 Replace the top cabinet 10 Perform the master reset Turn the mode key switch to the SRV position insert the AC power cord into the AC outlet While ...

Page 23: ...C21 100pF R76 10K C47 330pF C7 100pF R5 10K R67 10K R25 10K R169 47K C6 100pF R46 100 C40 27pF R14 10K R77 10K IC2A 74LV00A 1 2 3 C38 33pF R20 10K R61 330 X1 32 768KHz IC2B 74LV00A 4 5 6 C39 18pF C28 33pF C50 1000pF IC1 VHI30802SB 1 M30802SGP 140 41 47 21 142 143 23 101 39 100 59 74 91 132 99 98 97 96 95 94 57 76 92 93 85 130 84 83 82 81 80 79 78 77 75 73 122 121 120 119 113 112 111 110 109 108 10...

Page 24: ... A0 D0 D1 D2 GND D3 D4 D5 D6 D7 CE A10 OE A11 A9 A8 A13 A14 A17 A18 PGM VCC IC5 4MRAM HY628400A LLT2 70 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 A18 A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 D0 D1 D2 GND VCC A15 A17 WR A13 A8 A9 A11 RD A10 CS D7 D6 D5 D4 D3 C65 0 1uF C55 10uF 50V C59 0 1uF ZD1 UDZ5 1B IC2C 74LV00A 9 10 8 R98 56K R97 2 7K SP1 SHORTPIN IC8B BA...

Page 25: ... 6 KR3 1 M_RESET 1 RES 1 2 POFF 1 2 VCC VCC VCC VCC VCC VCC VLED VLED VCC VCC C76 100pF C80 100pF IC12 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 R106 10K C82 0 1uF C81 22uF 16V R110 2 4KF C73 0 1uF R111 12K C78 0 1uF C77 10uF 50V IC7C 74LV08 9 10 8 IC16 74HC245 1 2 3 4 5 6 7 9 10 8 20 19 18 17 15 16 14 13 12 11 DIR A1 A2 A3 A4 A5 A...

Page 26: ...K C88 330pF R117 4 7K R113 4 7K C84 100pF C83 330pF C85 0 1uF F1 T1 6A 25 0V R121 240 IC19 KIA431F 1 3 2 C94 10uF 50V D6 1SS355 R112 18KF D9 1SS355 Q1 2SK2731 R115 100K FB2 BFR601009C8NG R114 4 7K C86 0 1uF C87 10uF 50V R130 20K R120 9 1kF R119 100K R124 1F 1W C90 0 1uF IC17A BA10393 F 3 2 1 4 8 R129 5 6K R176 0 IC17B BA10393 F 5 6 7 4 8 R125 1F 1W R136 1F 1W R127 10K IC18 SMA7036M 2 11 8 7 6 1 15...

Page 27: ...R1 1 CS1 1 DR2 1 CD2 1 CI2 1 CS2 1 RESET 1 CKDCR 1 VCC 24V VCC VCC VCC VCC VCC C113 0 1uF C110 0 1uF C112 10uF 50V C98 0 1uF C114 0 1uF IC22C 5 6 C115 C116 C117 C118 C119 R146 R147 R148 R149 R150 C101 0 1uF IC22D 9 8 R143 18K C104 IC22B 3 4 C99 0 1uF IC23 HIN211 12 14 15 16 7 6 20 21 8 5 26 22 19 24 13 17 2 3 1 28 9 4 27 23 18 25 11 10 C1 C1 C2 C2 T1IN T2IN T3IN T4IN R1OUT R2OUT R3OUT R4OUT R5OUT ...

Page 28: ...JPFC 4 PCLK 1 VH 4 TM1 4 STRB1 1 4 RPFC 4 RPFA 4 FVHS 4 STRB3 1 4 JPFA 4 JPFD 4 LATCH 1 STRB4 1 4 RPES 4 RPFD 4 VCC VDD VCC 24V FB8 D19 1SS355 FB4 R151 1 8K R154 47K CN7 5046 03A 1 2 3 Q5 2SD2143 FB30 BFR601009C8NG FB21 FB13 FB17 FB9 F3 T400mA 250V FB5 R153 10K R152 1 8K C125 1000pF FB14 FB22 C136 22uF 16V FB18 CN6 5046 03A 1 2 3 FB10 C124 0 1uF FB25 FB6 FB24 CN5 T_PRINTER CN 40Pin 00 6229 640 003...

Page 29: ...OR E POWERUNIT VLED VCC VDD 24V 24V L1 180uH BD1 CP301 C132 47uF 16V TP1 VO 1 C131 330uF 16V D17 RB060L40 ZD3 PTZ6 2A CN9 BT CN 2Pin 5267 02A BLUE 1 2 R163 1KF R160 3KF L2 180uH D16 1SR159 200 IC25 LM2574HVN 1 5 7 3 4 2 D14 RB160L 60 F5 T2A 250V LT5 C133 220uF 50V C134 0 01uF IC26 PQ1CG2032FZ 1 4 2 5 3 C129 0 1uF F6 T1 0A 250V C127 6800uF 50V C130 1000uF 16V Q6 KTD998 R162 150 R159 1 2KF D15 1SR15...

Page 30: ...ER A520U ER A530U CIRCUIT DIAGRAM AND PWB LAYOUT 29 PWB LAYOUT ...

Page 31: ...ER A520U ER A530U CIRCUIT DIAGRAM AND PWB LAYOUT 30 ...

Page 32: ...ER A520U ER A530U CIRCUIT DIAGRAM AND PWB LAYOUT 31 ...

Page 33: ...004 March Printed in Japan t COPYRIGHT 2004 BY SHARP CORPORATION All rights reserved Printed in Japan No part of this publication may be reproduced stored in a retrieval system or transmitted In any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher ...

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