CAS ED Service Manual
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Service Manual
ED
ED SERVICE MANUAL
1
04/12/10

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Summary of Contents for CAS ED

  • Page 1 Service Manual ED SERVICE MANUAL 04/12/10...
  • Page 2: Table Of Contents

    Service Manual < Table of Contents > Introduction ..........................4 1.1. Preface ............................ 4 1.2. Precaution ..........................4 1.3. Specification ........................5 1.4. Sealing Method ........................7 Calibration ........................... 9 2.1. General Calibration ......................9 2.1.1. C4 Setting ......................10 2.1.1.1.
  • Page 3 Service Manual Part List ............................25 04/12/10...
  • Page 4: Introduction

    WE hope that your departments enjoy with high quality of CAS product. This manual will help you with proper operations and care of the ED series. Please keep it handy for the future references. 1.2. Precaution •...
  • Page 5: Specification

    Service Manual 1.3. Specification MODEL ED 3 ED 6 ED 15 ED 30 1.5kg/0.0005kg 3kg/0.001kg 6kg/0.002kg 15kg/0.005kg 3kg/0.001kg 6kg/0.002kg 15kg/0.005kg 30kg/0.01kg 3lb/0.001lb 6lb/0.002lb 15lb/0.005lb 30lb/0.01lb CAPACITY 6lb/0.002lb 15lb/0.005lb 30lb/0.01lb 60lb/0.02lb 50oz/0.02oz 100oz/0.05oz 250oz/0.1oz 500oz/0.2oz 100oz/0.05oz 200oz/0.1oz 500oz/0.2oz 1000oz/0.5oz 1.4995kg 2.999kg 5.998kg...
  • Page 6 Service Manual Display Three LCDs with 6 digits, POWER LED Power 12 V Adaptor or PB BATTERY ( 6V3.6AH/20HR) Backlight Option Auto Power Off 04/12/10...
  • Page 7: Sealing Method

    Service Manual 1.4. Sealing Method 04/12/10...
  • Page 8 Service Manual 04/12/10...
  • Page 9: Calibration

    Service Manual 2. Calibration 2.1. General Calibration Pressing and holding calibration switch press [POWER] key to go to calibration mode. User can move to other mode by using [ZERO] key in the calibration mode. User also moves to other sub-modes for each mode by using [TARE] key. Please simply follow below procedure to move to other mode.
  • Page 10: C4 Setting

    Service Manual < Modes > 2.1.1. C4 Setting 2.1.1.1. C4-1 Setting BIT 6~7 Initial Zero range Proper tare BIT5 Tare Type Full Tare BIT4 (+), (-) Direction successive Tare (-) Direction successive Tare Successive tare BIT 2~3 (+) Direction successive Tare One Time tare BIT1 BIT0...
  • Page 11: C4-4 Setting

    Service Manual Don't use BIT5 Use Back light Don't use BIT4 Use Head message Don't clear BIT3 Use gram Clear Don't clear BIT2 Use oz Clear Don't use BIT1 Use lb BIT0 Use Kg 2.1.1.4. C4-4 Setting BIT7 BIT6 00, 25, 50, 75 00, 10, 20 BIT 4~5 Price round off...
  • Page 12: Span Calibration Setting (C-3)

    Service Manual Don't use BIT3 Use Unit message Don't use BIT2 Use Total price window over Don't use DEP-50 BIT 0~1 Print type 2.1.2. SPAN Calibration Setting (C-3) (1) Pressing and holding “Calibration Switch” press [POWER] key. After “CAL” message blinks three times and shows the version of scale, it displays “CAL 1”...
  • Page 13: Calibration Factor Setting (C-10)

    Service Manual (6) Input a gravitational acceleration value by using [ZERO] key. (7) Press [TARE] key to save the gravitational acceleration value, and “C-9 ” message will be shown. 2.1.4. Calibration factor Setting (C-10) (1) Pressing and holding “Calibration Switch” press [POWER] key. (2) After “CAL”...
  • Page 14: Percent Calibration (C-7)

    Service Manual 2.1.6. Percent Calibration (C-7) (1) Pressing and holding “Calibration Switch” press [POWER] key. After “CAL” message blinks three times and shows the version of scale, it displays “CAL 1” message. (2) Press [ZERO] to display “CAL-7”. (3) Press [TARE] key and then it displays “per 0 ” message. Select the percent value using [numeric] key.
  • Page 15: The Schematics And Diagram

    Service Manual 3. The Schematics and Diagram 3.1. System Block Diagram 04/12/10...
  • Page 16: Circuit Diagram

    CHIP BEAD 100k 100K PSEN CAL_SW BUZZER SIG+ RS232 DRIVER KTA1504 BUZZER1 PART SIG- R17 R Title ED(MODULE Ver.) LOADCELL PART PROGRAM PART CAL PART BUZZER PART Size Document Number <Doc> <Rev Code> Date: Monday , March 26, 2007 Sheet 04/12/10...
  • Page 17: Display & Module

    I2C_SDA ZERO CONNECTION I2C_CLK P2.1 I2C_CLK P2.2 D_Vcc D_Vcc P2.3 P2.3 D_GND BUZZER D_GND P1.1 P1.1 RTC_Power BL_con RTC_Power Title <Title> ED(MODULE Ver.) One Module OneModule Size Document Number <Doc> <Rev Code> Date: Monday , March 26, 2007 Sheet 04/12/10...
  • Page 18: Exploded View

    Service Manual 4. Exploded View F O R A P P R O V A L 2 0 0 3 . 1 2 . 2 9 C A S C O . L A B . 04/12/10...
  • Page 19: Load Cell Drawing

    Service Manual 5. Load Cell drawing 1 1 2 1 1 2 (sp ri n g e l e m e n t) 2 0 9 0 5 0 1 04/12/10...
  • Page 20: Part Location

    Service Manual 6. Part Location Main PCB Part Location DRAWING NUMBER : 6100-PED-0000 04/12/10...
  • Page 21 Service Manual BOTTOM 04/12/10...
  • Page 22: Common Pcb

    Service Manual COMMON PCB. RS-232 MODULE PCB Part Location DRAWING NUMBER : 9000-ERS-0005 RS-232 PCB (TOP) RS-232 PCB (BOTTOM) 04/12/10...
  • Page 23: Key Pcb Part Location

    Service Manual KEY PCB Part Location DRAWING NUMBER : 6150-PED-0000-0 KEY PCB 04/12/10...
  • Page 24: Error Messages & Solution

    The "Err 0" occurs when scale is not stable. Remove unstable facts. "Err 0" The "Err 1" occurs when a current zero "Err 1" Please call your CAS dealer. point has shifted from the last span calibration. The "Err 2" is not a real error. Only it prompts return CAL switch to the normal Please call your CAS dealer.
  • Page 25 Service Manual 8. Part List ED PART LIST 1.1 MAIN PCB ASS'Y Part Name Specification Part Number Q'ty Remark PCB-MAIN 6100-PED-0000-0 6100PED00000 1 MAIN PCB ONE MODULE ONE MODULE 1 ONE MODULE1 IC(REGULATOR) KA7809A(D-PACK) 6220IS078090 1 U5 IC(REGULATOR) XC6204C502MR(5.0V) 6220IS0C5020...
  • Page 26 Service Manual 19 RESISTOR-CHIP 1/10W RR1220P-472D(4.7K) 6527ID300470 1 R15 20 RESISTOR-CHIP 1/10W RR1220P-103D(10K) 6527ID301000 5 R4,5,6,19,23 22 RESISTOR-CHIP 1/10W RR1220P-101D(100) 6527ID010000 4 R1,2,3,25 23 RESISTOR-CHIP 1/10W RR1220P-104D(100K) 6527ID310000 6 R12,13,14,16,18,21 26 INDUCTANCE HB-1M2012-102JT(TP2,LP2,DBB) 6670T0001020 4 L1,2,3,4 27 INDUCTANCE 220uH(NT SERIES) 6670T0102200 1 L5 28 CONDENSER-CERAMIC...
  • Page 27 Service Manual 1.2 KEY PCB ASS'Y Part Name Specification Part Number Q'ty Remark TACT S/W SKHCAD(LP-Ⅱ) 7600STA1103A 9 SWITCH PCB-KEY 6110-PER-0004-0(ER,P,LCD)(F) 6130PED00000 1 KEY PCB CONNECTOR(WAFER) 10-5267 7805CCN67100 1 CN2 CONNECTOR WIRE 2p*110mm (EB cal pcb) 7840W000211A 1.3 CAL PCB ASS'Y Part Name Specification Part Number...
  • Page 28 Service Manual BOLT-CONNECTOR 1/8-6 UNC -외주 1507A0018060 2 CONNECTOR BOLT PCB-RS232C 6158-PER-0001-A(ER) 6158PER0001A 1 RS232C PCB(232) IC(LINE DRIVER) ICL232CBE(SMD) 6240IS002320 1 U1 CONDENSER-CHIP CL21F 104KBNC 6712CHP01040 5 C,1,2,3,4,5 D-SUB CONNECTOR D9S(RS-PIN) FEMALE 7812C0000090 1 CON2 CONNECTOR WIRE 5P*380mm,CORE(ER-RS232) 7840W0005380 1 CON1 GROUND TERMINAL ASS'Y 70mm(PD,TP,TC)(양단) 7860GND00700...
  • Page 29 Service Manual LIMIT BOLT M5*0.8*8.5(Zn 황색,15Kg 1261-A00-0008-0 WRENCH BOLT M6*20-SUS 1530-MSU-0620-0 WRENCH BOLT(ST) M4*15 1532-A00-0415-0 NUT(HEX) M4*0.7 1540-A00-0400-0 TRAY 1000-A00-0136-0 TRAY 2004-A00-0057-0 S/W BRACKET 1030-A00-0165-0 TAPPING SCREW(PH)-1 M4*8 1510-A00-0408-0 UPPER CASE 2004-A00-0055-0 WATER LEVEL GAGE COVER POSCALE(φ18.5*0.5) 2010-A00-0026-0 DISPLAY COVER ER(15kg)LCD 2050-E0A-1533-0 DISPLAY COVER...

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