CAS ERII-15 Service Manual Download

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ER-

-II

Service Manual

7/4/2007

Circuit Diagram

3.1.1.

Main

+5V

P2.1

D10 KDS160

Key Connector PART

+5V

TXD

A_GND

RL3

RL103

5
6
7
8

C8
0.1uF

A_Vcc

L9
L102S

LCD_CS

Key _Out_2

C4
0.1uF

D11 KDS160

CN1

1
2
3

Power_chk

CON_TX

PSEN

TP2

R16 10

AIN-

R2
4.7k

JP1

Key _Out_2

P0.2

74HC245/SO

2
3
4
5
6
7
8
9

18
17
16
15
14
13
12
11

A0
A1
A2
A3
A4
A5
A6
A7

DIR

B0
B1
B2
B3
B4
B5
B6
B7

Key _IN_4

P2.2

P2.0

CN4

1
2
3
4
5

R1
10k

RXD

BUZZER

P0.1

CON_RX

C22

0.001uF / 3kv

CAL_SW

Key _IN_3

CAL PART

C23

0.001uF / 3kv

L102S

LCD_DATA

74HC245/SO

2
3
4
5
6
7
8
9

18
17
16
15
14
13
12
11

A0
A1
A2
A3
A4
A5
A6
A7

DIR

B0
B1
B2
B3
B4
B5
B6
B7

Key _Out_3

I2C_SDA

C20
0.001uF / 3kv

Power_con

TP1

PROGRAM PART

U1A

max3232idbre4

RIN2

C2-

RIN1

C2+

ROUT2

ROUT1

DOUT2

C1-

DOUT1

C1+

DIN2

DIN1

BUZZER

I2C_CLK

CON_RX

RL2

RL103

5
6
7
8

BUZZER

+5V

P3.2

ONE_MODULE1

OneModule

A_Vcc

A_GND

Bat_chk

P1.6

P1,7

P3.2

P3.3

P3.4

P3.5

P3.6

P3.7

P2.0

P2.1

P2.2

P2.3

P1.1

AIN+

AIN-

A_GND

P1.0

P0.0

P0.1

P0.2

P0.3

P0.4

P0.5

P0.6

P0.7

PSEN

I2C_SDA

I2C_CLK

D_Vcc

D_GND

RTC_Power

ER2 MAIN CIRCUIT

Friday , June 29, 2007

Title

Size

Document Number

Rev

Date:

Sheet

P1.7

Key _IN_1

RS232 DRIVER PART

L7 L102S

RL1

RL103

5
6
7
8

+5V

CON_TX

KTA1504

Key _IN_2

L102S

C5
0.1uF

PSEN

BUZZER PART

Key _Out_1

RTC_Power

Key _Out_5
Key _Out_4

6100 - PER - 0002

C21

0.001uF / 3kv

D_Vcc

POWER_KEY

LOADCELL PART

P3.3

L8 L102S

LL1 LL102

5
6
7
8

A_GND

C7
0.1uF

TP3

+5V

L102S

+5V

P2.3

P1.6

L3 L102S

D_GND

P0.3

CN7

1
2
3
4
5
6
7
8
9
10

AIN+

Key _IN_4

P0.4

C9
0.1uF

BL_con

AIN+

C3
0.1uF

Bat_chk

D12 KDS160

Key _Out_5

Key _IN_3

C6
0.1uF

+5V

P3.4

D13 KDS160

+5V

P1.1

Key _IN_2

CAL S/W

Key _IN_1

KDS160

MODULE CONNECTOR PART

P1.0

L102S

LCD_WR

TP4

P0.0

Key _Out_4

CAL_SW

+5V

AIN-

Key _Out_3

P3.5

Key _Out_1

Summary of Contents for ERII-15

Page 1: ...ER II Service Manual Service Manual Service Manual Service Manual 1 7 4 2007 ER II SERVICE MANUAL ...

Page 2: ...C4 5 Setting 12 2 1 2 SPAN Calibration Setting C 3 13 2 1 3 Gravity Constant Value Setting C 9 13 2 1 4 Calibration factor Setting C 10 14 2 1 5 Displaying Real A D Value C 5 14 2 1 6 Input Function Key Code C 6 15 2 1 7 Percent Calibration C 7 16 2 1 8 Battery Calibration C 8 16 3 The Schematics and Diagram 18 3 1 System Block Diagram 18 3 1 1 Main 19 3 1 2 Power Part Back_Light 20 3 1 3 Key Part...

Page 3: ...ER II Service Manual Service Manual Service Manual Service Manual 3 7 4 2007 5 4 Rear Display PCB Bottom 27 6 Error Messages Solution 28 7 Part List 29 ...

Page 4: ... references 1 2 Precaution Make sure that you plug your scale into the proper power outlet Place the scale on a flat and stable surface Plug into a power outlet 30 minutes before operations Keep the scale away from strong EMI noises may cause incorrect weight readings This scale must be installed in a dry and liquid free environment Do not subject the scale to sudden temperature changes Do not sub...

Page 5: ...000 Display Three LCDs with 6 digit Symbols Charge stabilization zero tare lower battery NET backlight LCD version only Interface RS 232C Printer Option Keys Number 0 9 Direct PLU M1 M4 Clear ZERO TARE add Power ON OFF Function Direct PLU 4 Indirect PLU 200 Price computing scale Low Battery Indication function Auto Power Off Auto BL off BL brightness control function Product Size 304 W X 324 D X 1...

Page 6: ...ER II Service Manual Service Manual Service Manual Service Manual 6 7 4 2007 1 4 Dimension ...

Page 7: ...ode User s Set up Mode enter Push more than 2 second when using P mode To make several sales transaction by adding up To Clear data To set zero To set up or clear tare value To turn on off the scale or backlight LCD version only Table Symbols on Display Table Symbols on Display Table Symbols on Display Table Symbols on Display KEYS FUNCTIONS Weight steady To adjust zero Tare on Backlight on Low po...

Page 8: ...ER II Service Manual Service Manual Service Manual Service Manual 8 7 4 2007 1 6 SealingMethod ...

Page 9: ...ER II Service Manual Service Manual Service Manual Service Manual 9 7 4 2007 ...

Page 10: ...ecting menu press TARE 4 ENTER Setting TARE key MODE Function CAL 1 Display normalized AD CAL 2 Display Keypad infomation CAL 3 Weight Setting Mode UnLoad TARE MIDD TARE after loading for 1 3 weight FULL TARE after loading for Full weight MIDD TARE after loading for 1 3 weight END CAL 4 Option Setting Table 1 참조 CAL 5 Display filtered Raw AD CAL 6 Function setting on each Key Table 2 참조 CAL 7 Cali...

Page 11: ...on successive Tare 2 Direction successive Tare 1 Direction successive Tare 0 One Time tare BIT1 BIT0 2 1 1 2 C4 2 Setting BIT7 BIT6 Use PLU Tare 1 Use BIT5 Use PLU Name 0 Don t use 1 Use BIT4 Use Daily Total 0 Don t use 1 Use BIT3 Clear Price 0 Don t clear 1 Clear BIT2 Clear Tare 0 Don t clear 1 Clear BIT1 Use Euro 0 Don t use 1 Use BIT0 Power On Euro 0 No 1 Yes 2 1 1 3 C4 3 Setting BIT7 Dot Type ...

Page 12: ... clear 1 Clear BIT2 Use oz 0 Don t clear 1 Clear BIT1 Use lb 0 Don t use 1 Use BIT0 Use Kg 0 No 1 Yes 2 1 1 4 C4 4 Setting BIT7 X BIT6 X BIT 4 5 Price round off 3 00 25 50 75 2 00 10 20 1 0 5 0 normal BIT3 X BIT2 X BIT 0 1 Unit Price 3 1000 1 2 100 1 1 10 1 0 1 1 2 1 1 5 C4 5 Setting BIT7 Use Standby time 0 Don t use 1 Use BIT6 Price decimal point 7 Special case 6 O OOOOOO 5 O OOOOO ...

Page 13: ...key and then it displays zero message 4 Press TARE key and then it displays midup message 5 Load middle weight ex 1 3 full capacity on the platform 6 Press TARE key and then it displays span message 7 Load full weight on the platform 8 Press TARE key and then it displays middn message 9 Load middle weight ex 1 3 full capacity on the platform 10 Press TARE key and then it display CAL 3 message 2 1 ...

Page 14: ...RE key and then CAPA message blinks 0015 will be shown The first digit 0 will blink It means a full capability is 15 calibration unit kg or lb 7 Input a capability by using ZERO key 8 Press TARE key and then MCAPA message blinks 0005 will be shown The first digit 0 will blink It means a mid capability is 05 calibration unit kg or lb 9 Input a capability by using ZERO key 10 Press TARE key and then...

Page 15: ... press 16 as SOFT KEY CODE and then press key For second example press 19 as SOFT KEY CODE and then Σ key 5 Press C key to exit from Input Soft Key Code mode NOTE User doesn t need MATRIX KEY CODES by inputting soft key code because MATRIX KEY CODES are fixed in hardware FIXED KEYS THEIR SOFT KEY CODES CHANGEABLE KEYS SOFT KEY CODES FUNCTION SOFT KEY CODES REMARK 00 11 ADD 16 TTP CALL 18 PAY 19 MR...

Page 16: ...t displays per 0 message Select the percent value using the numeric key You can choose 10 90 percent 4 Press TARE key and then it displays zero message 5 Press TARE key and then it displays pspan message 6 Load choice percentage weight of full weight on the platform 7 Press TARE key and then it displays CAL 7 message 2 1 8 Battery Calibration C 8 1 Pressing and holding Calibration Switch press POW...

Page 17: ...7 3 Press TARE key and then it displays voltage of battery 4 Change the jumper pin of main PCB BAT to 5V 5 Press ZERO key two times and then Press key two times And then it display 500 6 Change the jumper pin of main PCB 5V to BAT 7 You can see the calibrated voltage of battery ...

Page 18: ...ER ER ER ER II II II II Service Manual Service Manual Service Manual Service Manual 18 18 18 18 7 4 2007 7 4 2007 7 4 2007 7 4 2007 3 The Schematics and Diagram 3 1 System Block Diagram ...

Page 19: ...DIN2 DIN1 V_CC BUZZER I2C_CLK CON_RX RL2 RL103 2 3 4 5 6 7 8 1 BUZZER 5V P3 2 ONE_MODULE1 OneModule 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 A_Vcc A_GND Bat_chk P1 6 P1 7 Rx Tx P3 2 P3 3 P3 4 P3 5 P3 6 P3 7 P2 0 P2 1 P2 2 P2 3 P1 1 AIN AIN A_GND P1 0 P0 0 P0 1 P0 2 P0 3 P0 4 P0 5 P0 6 P0 7 PSEN I2C_SDA I2C_CLK D_Vcc D_GND RTC_Power A ER2 MA...

Page 20: ... TP_BAT A_Vcc C14 470pF R10 1k 5V C10 0 1uF R11 100k D2 LED L6 220uH R12 20k CN5_FEMALE1 Pb BAT 1 2 3 5V Bat 전전전전 5V D4 SS14 Power_con TP_IN Power_LED D6 SS14 TP_LED1 C17 0 1u R14 100k BT1 Pb 6V 5A C15 470u 35 SW1 SW Charge R9 100k D8 KDS184 2 1 3 C13 0 1u CN5_MALE1 BAT 1 2 3 CN2 Power SW 1 2 D3 SS14 6100 PER 0002 A ER2 POWER A3 3 4 Friday June 29 2007 Title Size Document Number Rev Date Sheet of ...

Page 21: ...4 2007 7 4 2007 3 1 3 Key Part KEY_IN4 6 KEY_OUT3 CON1 1 2 3 4 5 6 7 8 9 10 11 3 2101 E20 0030 GND ON OFF 8 0 ER2 KEY CIRCUIT MEMBRANE A 1 4 Tuesday May 29 2007 Title Size Document Number Rev Date Sheet of M4 KEY_OUT1 0 KEY_IN1 KEY_OUT4 2 M1 TARE KEY_OUT2 7 KEY_IN3 1 ADD ZERO KEY_POWER M3 4 KEY_IN2 KEY_OUT5 C 5 9 M2 ...

Page 22: ... 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 COM0 SEG13 COM5 COM2 SEG0 R15 2 2k COM7 BACKLIGHT SEG6 SEG25 SEG7 SEG2 COM7 COM1 SEG1 SEG13 COM1 SEG21 SEG5 SEG6 SEG8 LCD_CS SEG7 SEG5 SEG19 PRICE_DISPLAY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 S0 S1 S2 S3 S4 COM0 COM1 COM2 COM3 S12 S5 S6 S7 S8 S9 ...

Page 23: ...ER ER ER ER II II II II Service Manual Service Manual Service Manual Service Manual 23 23 23 23 7 4 2007 7 4 2007 7 4 2007 7 4 2007 4 Exploded View ...

Page 24: ...ER ER ER ER II II II II Service Manual Service Manual Service Manual Service Manual 24 24 24 24 7 4 2007 7 4 2007 7 4 2007 7 4 2007 Load Cell drawing ...

Page 25: ...ER ER ER ER II II II II Service Manual Service Manual Service Manual Service Manual 25 25 25 25 7 4 2007 7 4 2007 7 4 2007 7 4 2007 5 Part Location 5 1 Main PCB Top ...

Page 26: ...ER ER ER ER II II II II Service Manual Service Manual Service Manual Service Manual 26 26 26 26 7 4 2007 7 4 2007 7 4 2007 7 4 2007 5 2 Main PCB Bottom ...

Page 27: ...ER ER ER ER II II II II Service Manual Service Manual Service Manual Service Manual 27 27 27 27 7 4 2007 7 4 2007 7 4 2007 7 4 2007 5 3 Rear Display PCB Top 5 4 Rear Display PCB Bottom ...

Page 28: ...unit price or remove some weight Err 7 The Err 7 means total price is over Please change unit price or remove some weight Err 8 The Err 8 means Euro rating price is over Please change unit price or change euro rate Err 11 The Err 11 means a writing error of the internal nonvolatile memory To recognize this error be sure to check the voltage on the circuit and do calibration procedures If it still ...

Page 29: ...101 No Part Name Specification Part Number Q ty Remark MAIN PCB ASS Y ER2 15CB LCD 1 MAIN PCB ASS Y 1 PCB MAIN 6100 PER 0001 A ER LCD 6100PER00010 1 2 ONE MODULE ONE MODULE 1 ONE MODULE1 3 IC REGULATOR KA7809A D PACK 6220IS078090 1 U5 4 IC REGULATOR XC6204C502MR 5 0V 6220IS0C5020 1 U2 5 IC LCD DRIVER HOLTEX HT1622 ERS LCD 6224I0016220 1 U4 6 IC DC DC CONVERTER MC34063AD 6242I003406A 1 U3 7 IC C MO...

Page 30: ... Q3 12 DIODE POWER 1N5819 SMD 6291IS058190 4 D1 3 4 6 13 DIODE CHIP KDS184 6294ICP01840 1 D8 14 DIODE CHIP KDS160 SMD 6294ICP01600 5 D9 10 11 12 13 15 DIODE SWITCHING PMLL4148L LP CONT 6294ISW4148A 1 D7 16 DIODE POWER 1N5406 6291IP054060 1 D5 17 RESISTOR 2W CFR 0 33Ω 5 6512CJ000033 1 R4 18 RESISTOR CHIP 1 10W RR1220P 103D 10K 6527ID301000 3 R1 5 13 19 RESISTOR CHIP 1 10W RR1220P 472D 4 7 6527ID300...

Page 31: ...SISTOR CHIP 1 10W RR1220P 100D 10Ω 6527ID001000 1 R16 25 RESISTOR CHIP 1 10W RR1220P 203D 20K 6527ID302000 1 R12 26 RESISTOR CHIP 1 10W RR1220P 222D 2 2K 6527ID300220 1 R15 27 RESISTOR CHIP ARRAY RP164P103J 1608 10kΩ X 4PCS 6598IJ301000 3 RL1 2 3 28 INDUCTANCE HB 1M2012 102JT TP2 LP2 DBB 6670T0001020 8 L1 2 3 4 5 7 8 9 29 INDUCTANCE 220uH NT SERIES 6670T0102200 1 L6 30 CONDENSER CERAMIC 0 01uF 3KV...

Page 32: ... 3 C12 C15 C16 36 CONNECTOR WIRE D9P 3P 230mm ER 2 7840W0012230 1 RS232 WIRE 37 CONNECTOR WAFER 03 5267 7805CCN67030 1 CN3 38 CONNECTOR WAFER 5273 02 LPH03 02 7804CCN73020 1 CN2 39 CONNECTOR WAFER 5273 03 LPH03 03 7804CCN73030 2 CN1 5 40 SOCKET CONNECTOR 5332 50P 7813C000050B 1 CN6 41 FPC CONNECTOR FCZ254 11A 7807CFP0011A 1 CN7 42 CUSHION VFD 30 20 2T 2631A0000010 3 CUSHION 43 FERRITE BEAD SMD ARR...

Page 33: ... 2766 K CHINA ER 2 7224D0027660 3 LED_BL 1 2 3 49 LED LAMP ø5 RED 7232DR00005A 1 D2 50 PIEZO BUZZER HYR 1407A ER 2 7002Z0014070 1 BUZZER 51 TACT S W 11902 DJTA 1102 7600STA19020 1 S1 CAL SW 1 2 REAR DISPLAY PCB ASS Y 110E20ERDPUN0101 1 2 REAR DISPLAY PCB ASS Y 110E20ERDPUN0101 1 2 REAR DISPLAY PCB ASS Y 110E20ERDPUN0101 1 2 REAR DISPLAY PCB ASS Y 110E20ERDPUN0101 No Part Name Specification Part Nu...

Page 34: ... 2007 7 4 2007 7 4 2007 1 CUSHION VFD 30 20 2T 2631A0000010 3 CUSHION 2 PCB DISPLAY 6110PER2001A ER2 ONEMODULE 6110PER2001A 1 REAR PCB 3 LCD PT 215 CHINA ER 2 7212D0002150 3 LCD1 2 3 4 LED BACK LIGHT MD 2766 K CHINA ER 2 7224D0027660 3 LED_BL 1 2 3 5 FLAT CABLE CONNECTOR 50P 50P 500mm ER 2 7850W00B0500 1 CN1 ...

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