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UWE ADW-1500E Maintenance Manual

Adw-e series
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Table of Contents

See also: Operating Manual
Enlarged version
CONTENTS
2.4 INTERNAL SETTINGS AND CALIBRATION METHODS
Specifications and Function Subject to Change without Notice
MAINTENANCE MANUAL
ADW-E SERIES
OCT 2002 REV 1
1

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Summary of Contents for UWE ADW-1500E

  • Page 1: Table Of Contents

    MAINTENANCE MANUAL ADW-E SERIES CONTENTS 1. INTRODUCTION 2. SPECIFICATIONS 2.1 SYSTEM BLOCK DIAGRAM 2.2 PHYSICAL LAYOUT OF ELECTRICAL CONNECTION 2.3 GENERAL SPECIFICATIONS 2.4 INTERNAL SETTINGS AND CALIBRATION METHODS 3. TROUBLE SHOOTING 3.1 TROUBLE SHOOTING LOOP 3.2 PARTS AND COMPONENTS TROUBLE SHOOTING 4.

  • Page 2: Introduction

    1. INTRODUCTION The ADW-E series is designed and programmed according to the OIML R-76 Class III requirements. This scale is sealed to prevent unauthorized access to internal parts. Ender users should be advised not to undertake any trouble shooting except those listed on the operation manual. This maintenance manual contains of certain information that may result in fraudulent use.

  • Page 3: Specifications

    2. SPECIFICATION 2.1 SYSTEM BLOCK DIAGRAM REAR LED DISPLAY LED DISPLAY DISPLAY DRIVER CIRCUIT CPU with ROM A/D UNIT INTERFACE POWER SUPPLY: 1. AC ADAPTOR KEYBOARD (9V 500mA) (4 KEYS) 2. RECHARGEABLE BATTERY(6V 4Ah) Description: When a mass is placed on the platform, the load of the article is applied to the load cell inside it.

  • Page 4: Physical Layout Of Electrical Connection

    2.2 PHYSICAL LAYOUT OF ELECTRICAL CONNECTION DW(LED)-40-X OPTIONAL REAR PISPLAY BOARD DC JACK LOAD CELL RECHARGEABLE BATTERY 6V 4Ah MAIN BOARD DW-12-X TO BATT. S- S+ E- E+ AC IN RS-232 BOARD DM-70-1...

  • Page 5: General Specifications

    2.3 GENERAL SPECIFICATION 2.3.1 Overall View...
  • Page 6 2.3.2 Dimension: Platter size：250 x 215mm Overall size：270(W) X 278(D) X 145(H) mm 2.3.3 Model Specifications Deleted: ¶ Model Number Capacity (Max) Division (e) Model Number ... [1] ADW-1500E 1500g 0.5g ADW-3000E 3000g ADW-6000E 6000g ADW-15KE 15kg 0.005kg ADW-30KE 30kg 0.01kg...
  • Page 7 2.4 CALIBRATION METHODS AUTO CALIBRATION a. Turn scale off b. Press and hold MODE, then press ON/ZERO c. Scale display CAL? d. Press MODE for YES and scale will self calibrate zero point e. After zero point is calibrated, Scale will displays “LOAD XXXX or YYYY”.

  • Page 8: Trouble Shooting

    3. TROUBLE SHOOTING 3.1 TROUBLE SHOOTING LOOP POWER ON DISPLAY RANDOM NO DISPLAY FIGURE COUNT DOWN? CHECK POWER SUPPLY, CHECK CPU, CPU,TACT SW. 7-SEGMENT-LEDS, SHOW “00000” COUNTS AND THEN ZERO? CHECK LOAD CELL, A/D UNIT,OFFSET VALUE ZERO DRIFT UNSTABLE PROPER READOUT? CHECK PLATTER CHECK POWER STOPPER,LOAD...

  • Page 9: Parts And Components Trouble Shooting

    3.2 PARTS AND COMPONENTS TROUBLE SHOOTING 3.2.1 Power Supply Checking 3.2.1.1 Relevant parts: Main Board (DW-12-X) Q5 (C1061) Q3 (C945) R41(1.2R 1/2W) ZD1(ZENER 8.2V) DC JACK BATTERY(6V 4Ah) Q1 (A1515) Q2 (C945) Q6 (A733) U6 (NS2950-5) Description: 1) Power source: Rechargeable Battery 6V/4Ah or AC adaptor(9V, 500mA) 2) How Battery is charged completely? The charging voltage is regulated by Q5 (C1061) and ZD1 (8.2V) for...
  • Page 10 4) Auto-off: If the scale is set with 4_oFF or even under LO-BAT situation, after fixed time interval, CPU will release a low potential signal to draw down Q2, then Q1 cuts off, the scale will be shut down immediately. 5) Low Power Detection: The Q6(A733) is designed to detect the power level.
  • Page 11 3.2.5.2 Check that the signal output of loadcell is normal. 3.2.5.3 Check OP. Amplifiers & A/D Converter (AD7705). When no error is found with the above checking procedures, the trouble can be caused on the loadcell or the PCB itself. Replace a new one could be better to identify the defective.

  • Page 12: Electrical Circuitry

    4. ELECTRICAL CIRCUITRY 4.1 SCHEMATICS...

  • Page 16: Pcb Layout

    4.2 PCB LAYOUT MAINBOARD(ADW-E) DW-12-1 TOP LAYER MAINBOARD(ADW-E) DW-12-1 BOTTOM LAYER...
  • Page 17 MAINBOARD(ADW-E) DW-12-1 TOP OVERLAY MAINBOARD(ADW-E) DW-12-1 BOTTOM OVERLAY...
  • Page 18 REAR DISPLAY DW-40-1 TOP LAYER REAR DISPLAY DW-40-1 BOTTOM LAYER...
  • Page 19 REAR DISPLAY DW-40-1 TOP OVERLAY...

  • Page 20: Bill Of Material

    Specification Qty Remark__ E1ADM000010 P.C.B. KIT DM/DW(C)-11-1 MAIN BOARD Deleted: A0002030 *** E1ADM001000 P.C.B. KIT DM/DW(C)-41-1 REAR BOARD ... [5] A0002030*** LOAD CELL C2G1 ADW-1500E C2G1-3kg ADW-3000E C2G1-6kg ADW-6000E C2G1-10kg ADW-15KE C2G1-20kg ADW-30KE C2G1-35kg A6010230950 ADAPTOR 230V/ 9V 500mA G0001DW0100...
  • Page 21 C25~28,31~34,49 A0730104050 CAPACITOR (MLC) 104Z A0740030050 CERAMIC CAPACITOR (CC) 30pf/50V( 30) C42,43 150KΩ 1/4W A0804041503 METAL FILM RESISTOR 500KΩ 1/4W A0804045003 METAL FILM RESISTOR 1.2Ω 1/2W A0805020120 CARBON FILM RESISTOR 100Ω 1/2W A0805021101 CARBON FILM RESISTOR 1KΩ 1/4W A0805041102 CARBON FILM RESISTOR R19,45 10KΩ...
  • Page 22 560Ω 1/4W A0805041561 CARBON FILM RESISTOR A1008000001 EMI FILTER DSS-306-55Y5S471M100 EMI1-3 A1100249152 CRYSTAL 4.9152MHZ F0015000012 PROTECTION BOX 7705-52-1 (UPPER) F0015000013 PROTECTION BOX 7705-52-1 (UNDER) Z0010000305 SCREW M3*6 DW-40-X REAR BOARD E0DW0001000 P.C.B. DW-40-X A0103000001 7 SEGMENTS LED DISPLAY 14.22mm HEIGHT,3 DIGITS DISP1,2 A0605050000 L.E.D.

  • Page 23: Appendix

    6. APPENDIX...
  • Page 24 PART NAME DESCRIPTION UPPER CABINET DW SERIES (WHITE)
  • Page 25 PLASTIC COVER PLATE DW SERIES, 20x19x3 ABS ALUMINUM L/C SUPPORT DW SERIES S/S SCREW(NYLOK) M4 x 0.7 x 20 LOAD CELL C2G1 ADW-1500E C2G1-3kg ADW-3000E C2G1-6kg ADW-6000E C2G1-10kg ADW-15KE C2G1-20kg ADW-30KE C2G1-35kg S/S HEX. SCREW M6 x 1 x 20 S/S SCREW M4 x 0.7 x 10...
  • Page 26 REV. APPROVED NO. DWG. ADM/ADW SERIES NAME SEALING DIAGRAM ADM/ADW SERIESSEALING DIAGRAM SEALING POSITION...
  • Page 27 Page 6: [1] Deleted 9030 10/23/1998 7:34:00 PM Model Number AHGM Series Capacity 1.5~30kg External Resolution 1/3000 Page 6: [2] Deleted 9030 10/23/1998 7:34:00 PM Maximum Tare Range 33.33% of R.O. Page 6: [3] Deleted 9030 10/23/1998 7:34:00 PM ±10% Power on Zero Range Page 6: [4] Deleted 9030...

This manual is also suitable for:

Adw-3000eAdw-15keAdw-30keAdw-6000e

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