Home

Service Manual Service Manual

1. VD RS232C PCB R69 C66 100k R68 47k ee TO CON 41 RS23 IC Co tu T1062 8 RS232 TX SIR i ACTIVE HIGH RS232 GND gt BAT CHK LOW BAT 5 VD ee TO MAIN CIRCUIT LOW BAT U61A CONN DSUB 9 P 4 CN63 60 MAIN EX PIW a 9 SEM 2 5V VD ADAPTOR JACK Tm T ADAPTOR DC12V R69 2 E ADAPTOR DC12V T C67 R66 100k BAT sik R64 _ 0o1u BAT oe LED P W S 8 LED COM D BAT LEDIEN 48 s ACTIVE HIGH Dry Bat 0D000O0 TO RECHARCE PCB pe gt BAT CHK BAT OFF Res TO MAIN CIRCUIT BAT OFF CN61 20k 4 U61B q i BATT Ni Cd 7 2V 600mAh Ni MH 7 2V 1300mAh 3 BT 4 il 5 2 H 4 CON2 2COLOR BL BEG201 OPTION CON8 VD Vin To EL Power V12 U60 472u 7805 TO252 CN60 330uF 25V Elec a ON PW 1 gS YYY In our HS ONEWE Leo 088 KTA1298Y C65 FROM z C64 Rs232c pcp ON ceo F R60 a Co 1u Te ou 100UF 16V ELEC C63 rn 10k R61 Co tu ji 0uF 16V elec 161 472u 2k To L C Braket NE NE SHIELD D60 DE KDS184 a i ONCHK 4 4 TO MAIN CIRCUIT POWER GND DIGITAL GND 4 get AUTO PW N ANALOG GND l JP60 JUMPER d 2N2222A 100k FROM MAIN 9
2. C SELFC ON OFF 2 6 Y 5 vEr V x yz ABC 2 ii Creset Y es No S SETkey Z ZERO key T TARE key M MODE key P PRINT key C How to Confirm the Setting Value 1 Turn on the power and connect the scale to PC with RS232C cable 2 Open the terminal on PC and adjust COM1 COM 2 and transmission speed to the scale 3 Press the P on the keyboard of PC then you will hear the beep on the scale Check the weight on the terminal 4 If there is no response on step 3 check the cable port transmission speed 5 Enter 83419 on the PC terminal you will go to debugging mode 6 Press Ctrl HR key you will see the data as below on the PC terminal If not enter 83419 slowly CAS MN2 300 STD V2 000 Conp Date 2001Mar 14 174117 2001 04 27 779 V i ght aver aver 2 Zp Cal Fp Cal Cal Fact LSpanD LSpanD f 1 Fact Gapo Fact Capl Fact Gap2 Capa Ini Z Buf T_Buf i TO Gt 70m Qt 70m GavityO GavityN Hand_Buf 0 Hand Bf 1 Hand Buf 8 Hand Buf 9 16518 344804 91383 1 wereeeee N eO gt Model gt Code Versi on gt Date of Code Conpile lt Code Versi on YYYYMWED HHS 16 33 15 gt The Present Ti ne gt V i ght gt nternal AD val ue gt aver Zp Cal Cal Fact gt Zero AD val ue gt Span AD val ue gt 300000 Span Zero 100000 gt Mi t
3. GND Return itle MW2 series ANALOG CIRCUIT AMP FILTER A D Power Size Document Number E A3 6100 PMW 0400 A 00 Date Monday June 04 2001 Bheet 3 of 5 16 S ON u3MOd C V HALT 1112119 Bojeuy To EL Power Vin E L INVERTER PCB C31 S81350HG z 0 tu IN C36 EL30 DISPLATY BACK C37 a LIGHT OPTION E LD30 100uF 16V Elec a e 8 FROM MAIN LCD E 5 CIRCUIT lt a cda she 0S 55 36 Sokzag EL ON OFF 2S 258 Ss a 295529523 saie GO oC gir ES 8 5 58 5 8 8 5 BEE a 3 J N g 1 g 4 tog q q d i d i ea lt 4944 aaaadad d d Ei dj dj 8 5 3 3 3 3 355894 N Vdo 9 01u 0 1u 0 1u R31 C33 C34 082 R35 30K upd7225 g R33 R34 73979797999 135 9 z2s8995 55139895989 tO Bunseesee ee 9 9 S S oo 10K 10K a 99 1y 2y 93 R32 syne 2 58 518 1 2 3 ST ZERO NET HOLD 1K Met a7 517 ILO OKIHI 56 518 VD Vor i BAT Vic3 5 35 s15 Vdo Vss 514 PCS MOMICTIGN 9 SE 8 Vdo Vad 35 Vdd 9 po gc s
4. 9 Click Blank Check Program Part and Verify Part 10 Tum off the power and set J 40 J 41 J 60 to Normal Mode 11 Tum on the power and check the operation 12 3 The Schematics and the Diagram A System Block Diagram me Load A D RS232C Es LCD Driver KEY LCD Display t rower de Reese DC12V amp Battery 13 BZ40 BUZZER NORMAL WRITTING SW41 CAL NORMAL WRITTING KTA1298Y PNP VD V12 ao Membrane SW VD SWAO ZERO E am T T 1 T Jumper JP40 Jumper JP41 R40 gt 10K J40 SW40 TARE 1 0 2 Es R44 Ras R46 R47 R48 R4 ess SW40 SET 3 5 E ss tada lt a cana e D o 5 S 8 8 8 T SW40 MODE 6 AGATA CA HR TA cs a TO DISPLAY CIRCUIT SONTO BAT CHK OFF i AUTO PW
5. 1040 q ON CHK I 4 49 ddd css BAT CHK LOW TO POWER CIRCUIT ysueon lt ouzran au ceal ybg amp RERRRUZXDRER T oni 4 P13 P2 4 57 C D sw40 3 P12 P2 3 55 Busy 2 P11 Hse cs PWR S W 44 P1 0 2 24 a 4 4 4 Veo P2 0 SCLK TO POWER D60 89C51RD2 R50 R51 R52 R53 C42 mmm nS ips res RESET 054 42 21 TO LCD DRIVER 41 bop 8 T 201502 em Ag BE vao 20 C40 le 3g PO m eee yn 18 SDI 4 D 5 85 4 u 20P 4 clic T T1 0592MHZ FROM AD 1042 VD C51 C47 Lc g 10u 10V ELEC R54 R55 R56 R57 VD 0 1u a wis 2 545 65 i g C46 A A 4 1041 C48 ge 0 1u 8 4 VD MAX232 le TO RS232C PCB caa vec p 3 I o 0 1u 5 co PAE I TDK220 CON41 oiu 5 1 14 4 an cs THIN TIOUT RT 1 T t t 13 Rout 9 H LG 2 KM93C46 VD 2 32 768KHZ D40 TDK220 1043 KDS184 1044 vii rn 8 Lai RESET OSCI t 4 5 voo 2 p20u 10V elec R42 2 9860 A R43 GND 4 INT SCL 5 C44 2K vss SDA Qu 10V Tantal 10K E H605215 Ou P 049 PCF8563 air BTI ri Lead wire OOO en P UE MW Series MAIN CIRCUIT i E 2032 Soldering t 7 Size Document Number ev A3 6100 PMW 0400 A 00 Date Thursday May 31 2001 Bheet 1 of 5 14 Add PNO view G TON weibeig Inu g
6. 0101 0 1590 A00 0034 0 1590 A00 0035 0 1512 A00 0306 0 2013 A00 0005 A 1512 A00 0310 0 1030 0148 0 1503 A00 0512 0 1503 MPN 0310 0 1512 A00 0420 0 2022 A00 0005 0 1512 A00 0310 0 2000 A00 0107 A 1040 A00 0006 0 1512 A00 0412 0 1530 MU 0515 0 1503 0304 0 1030 0150 0 1030 0152 0 ASS Y BODY 240 M1 MBCD UND1 01 BODY BODY FOOT MACH NE SCREW PH SEALI NG BOLT SEALI NG PLATE BATTERY SPRING A BATTERY SPRING B BATTERY COVER BATTERY SPRI NG C BATTERY SPRING D TAPPI NG SCREW PH 2 BATTERY HOLDER TAPPI NG SCREW PH 2 LI MT BRACKET MACH NE SCREVW VPH MACH NE SCREW VPH TAPPI NG SCREW PH 2 WL TAPPI NG SCREW PH 2 LCD BRACKET SH ELD CASE TAPPI NG SCREW PH 2 VRENCH BCLT VPH MACH NE SCREW VPH L C PLATE PCB BRACKET SPEC FI CATI CN ABS 750 190 291 55 ABS 750 190 291 55 MNII WII 3kg REAR MNII 3kg 3kg OO LEXAN MWI I 20 1200 11 SUS 0 5t 158 145 0 5t AL 2t 156 143 SPC 2t 65 24 53 Q 5 SUB M 10 SUS ABS750 190 291 45 ABS750 190 291 45 CH PVC 25 6 M8 MB 0 5 5 BsBn SUS 42 17 1t 0 63 MII 9 o 0 6 6 3 MII ABS750 119 6 75 6 2t Fo 0 6 3 6 WWII 0 6 6 MII 3 6 HOPE 3 10 SPC 1 5t 30 14 15 M5 12 M8 10 4 20 15 8 RED 3 10 ABS750 SPTE 0 5t 63 45 13 5 4 12 M5 15 MB 4 S
7. 61 22 36 AL o 7 3 19 MB 6 Q 5 SUB IV5 10 SUS ABS750 190 291 45 ABS750 190 291 45 CH PVC 25 6 M8 MB O 5 5 BsBn SUS 42 17 1t 9 0 63 MII Fp 0 6 6 3 MW II ABS750 119 6 75 6 2t Fo 0 6 3 6 MII 0 6 6 MII 3 6 HOPE 3 10 SPC 1 5t 30 14 15 M 2 MB 10 4 20 15 8 RED 33 T SESE SESREESLESEESELELREESE QTY LOCATION PPP 5 PRP RPP PP N Nepre PNPRPHPNBFP NP RPP APEK REV 01 Opti on D Opti on R 19 20 21 22 23 24 25 26 27 28 29 3l WN MT L NEWGITE 1512 A00 0310 0 2000 A00 0107 A 1040 A00 0006 0 1512 A00 0412 0 1530 MU 0515 0 1503 MPN 0304 0 1030 A00 0150 0 1030 0152 0 1502 A00 0305 0 1512 A00 0310 0 1503 0310 0 7840 VOO 0224 0 2631 A00 0023 0 7510 P12 1122 0 7510 P12 1122 G 7510 P12 0220 H 9100 M2 0100 0 9202 APE 0003 O 9203 APE 0001 O 9310 A00 0003 0 9302 A00 0003 O 9302 A00 0005 A 9400 A00 0046 0 7520 POO 0170 0 PART NAME TAPPI NG SCREW PH 2 LCD BRACKET SH ELD CASE TAPPI NG SCREW PH 2 VRENCH BCLT VPH MACH NE SCREW VPH L C PLATE PCB BRACKET MH NE SCREW TAPPI NG SCREW PH 2 MH NE SCREW CONNECTCR WRE SPEC FI CATI CN 3 10 ABS750 SPTE 0 5t 63 45 13 5 4 12 M 15 MB 4 SPC 2t SPC It M8 5 3 10 M8 10 2P 70 170 WII BATTER
8. Fa 1 ji x A J SEALING LEAD Unless NAME OR TITLE OTHE SPECIFIED ANGULAR NA DECIMA MW II DIMENS CUSTON URLD WIDE ARE 210mmx297mm 2 Calibration amp Program code download A General calibration 1 Span Calibration C SPAN 1 CAL Switch is located in the battery cover at the bottom of the scale While pressing the switch turn on the power then you will go to calibration mode 2 The display will shows CALMod three times and C SPAN 3 Press the SET keyto go to C SPAN menu 4 The display will shows UNLOAd then press the SET key Note that there is nothing on the platter If you want to cancel this span calibration press the ZERO key 5 Press the SET key then the display shows StAbLE Note that the scale should be stable 6 When the display shows LOAd place the weight of maximum capacity on the platter then press the SET key 7 The display shows StAbLE and End then span calibration is finished 2 Capacity C CAPA 1 Press the MODE key until the display shows C CAPA menu in the calibration mode 2 Press the SET key to go to C CAPA menu 3 Press the MODE key until the display shows maximum capacity of your scale 4 Press the SET key to save If you want to cancel press the ZERO key 5 Note that the capacity is set to 300 g by default 3 Trimming Multi Point Cal
9. The Error Message A Error Message Span calibrate the scale if this error is still CAL Er Calibration E Real Ti lock Error Check for platter or platform obstruction Sample weight is lower than standard weight in counting and percent mode Underload Error Standard weight MW 300 Counting mode 2g Percent mode 5g Remove all items from platter and tum on the Overload Error power If you want to initialize EEPROM press the SETI n key EEPROM Initializing Minimum unit weight is lower than 0 005g when you set sample in counting mode and percent Lack Unit Weight 26 B Troubleshooting 1 CAL Er 1 Go to calibration mode CAL Switch is located in the battery cover at the bottom of the scale While pressing the switch turn on the power then you will go to calibration mode 2 Span calibrate the scale on C SPAN menu Refer to Span Calibration on page 6 3 Press the MODE key twice the display shows C trim 4 When the display shows C trim press the CAL switch and SET key The display shows AD value this value is flickering because it is not filtered If it is not flickering it means a failure of AD part 6 Make sure that there is nothing on the platter and press the TARE key 7 Place the weight of maximum capacity on the platter 8 Ifthe value is lower than 200 000 check the output of load cell This value should be greater than 200 000 9 Tum the power o
10. 49 0210 0 7860 GND 0040 0 6180 PMW 0400 0 6220 00 1350 0 6280 00 1266 0 6280 1 00 1815 0 6506 MF3 0010 0 6506 MF3 0100 0 6506 3 1000 0 6704 C25 0100 0 PART NAME CH P CONDENSER PCLYESTER CONDENSER EM FILTER PI EZO BUZZER CRYSTAL CRYSTAL LOX 2 BATTERY TACT S W GONNECTCR VAFER GONNECTCR VAFER GONNECTCR VAFER FPC CONNECTOR FPC CONNECTOR J UPER J UPER GONNECTCR VAFER EL BACK LICHT LED LANP LED HOLDER 240 MP1 ERSP UNDI 01 RS232C PCB ADAPTOR J ACK GONNECTCR VAFER GONNECTCR AFER D SUB CONNECTOR CONNECTCR WRE 240 M1 EPVP UNOL 01 CONNECTOR WRE CONNECTOR WRE GRAND WRE GROUND WRE E L INVERTER PCB Q REG LATCR TRANSI STOR TRANSI STOR RESI STOR 1 8W RESI STCR 1 8W RESI STCR 1 8W ELECTRI G CONDENSER SPEC FI CATI CN 21 300 BNC 1UF 63V J BOX 220PF TE EFM 250A 32 768KHZ 11 0592 MZ ATS 49 U 9758A TRANSFLECTI VE CFO032 3M PI N TYPE 11902 D TA 1102 5267 02 5267 03 5267 08 FCZ254 8S FCZ254 8R 2 3PI N YDAV900 30 MV2 SPEL 01 001H MV2 5 R Q BL BVT 204 ANTE 10 5 2 6158 PMW 0400 B MWI I HS 302 5267 03 5267 04 RDQS 3P 3P 50nn MV 2 8P 4P 160nm CCRE MW 2 10P 8P 4P 210nm CRE 1P 210nm MW 2 1P 40nm MV 2 L NVERTER PCB ASS Y 240 M5 EELP UND1 01 6180 PMY 0400 O S 81350 HG 25 1266 2SC1815A 319
11. 8 CN61 LED P W t 9 CN61 LED COM 10 CN61 LED CHG CON10 BT70 Ql F MAIN PCB INSTALL Ni Cd 7 2V 600mAh AA Ni MH 7 2V 1300mAh AA itle MW2 series CHARGE CIRCUIT Size Document Number Rev A3 6140 PMW 0400 0 00 ate Monday June 04 2001 Bheet 5 of 5 S S ON Ana 951615 G C Wiring Diagram 1 Without Recharge Option Rear Display PCB 6110 PMW 0400 0 Ground Wire LoadCell RS232C PCB 6158 PMW 0400 A Dry Bat 1 5Vx6 AA size Main PCB 6100 PMW 0400 A 19 2 With Recharge Option Rear Display PCB 6110 PMW 0400 0 Charge PCB 6140 PMW 0400 0 10P Main PCB 20 6100 PMW 0400 A Ground Wire RS232C PCB 6158 PMW 0400 A Recharge Bat 1 2V x 6 AA size NiMH NiCd D Parts Location 1 Main PCB Part Location 21 2 RS232C PCB Part Location C C3 Oo POWER DRY BAT RS232C 22 3 Recharge PCB Part Location 4 E L Inverter PCB Part Location 23 5 Rear Display PCB Part Location Wi 2 BTI PM D400 0 CAS CO RR 24 MAIN PCB ASS Y gt SIFICATION y REMARK PORATION RI KWANGJEOK KYUNGKI DO KOF END FINISH PLD WIDE DO NOT DIMENSIONS x SCALE DRAWING ARE IN MMIINCH CHECKED APPROVED SCALE DRAV 300 100 0 MWZ 0000 N gt E CAS FORM A3 297mmx420mm 25 3 c 4
12. D1 D2 D3 D4 D5 D6 D7 D8 D9 CR LF CR LF 2 o 0 T A T ud HR 0 wol CR LF Dec 01 2001 15 bytes CR LF DO D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 CR LF CR LF D e a o r 0 T ide fi 2 0 0 Cl CR LF TIME 8 In the transmission HH MM SS 14 24 36 sec TO 2 3 T4 T5 T6 T7 Y ET u y ET s 3 g WEIGHT 10 sr sc co c1 c2 G3 c4 5 Ge ST stability W stable or w unstable SG sign negative or positive SP GO G6 weight Overload or Invalid W 128 35 ST SG G0 Gl G2 G3 G4 G5 G6 WwW oon SP SP 1 ND 8 as g Ap Mi S Unit weight g ct oz Ib tl dwt mom gn pcs UO ul U2 p 29 6 Parts list A ELECTRONIC PARTS NO MATL MWATIE ON ADU UN PB NNNNNNNPRPRP RPP PPP 5 PWDN OO WAN DUN RA U NBEO 27 28 29 31 32 33 35 MN N PGB ASS Y 6100 PMW 0400 B 6200 I 50 8951 A 6205 I 50 9346 A 6214 00 5522 0 6220 1 50 7805 0 6224 00 7225 0 6228 1 00 8563 0 6240 SO 0062 0 6240 I SO 0177 0 6240 SO 0232 0 6242 S0 7660 0 6271 1 00 7180 0 6281 1 00 1298 0 6281 00 2222 0 6294 P 0184 0 6294 1 SW4148 A 6527 DB 0300 0 6527 I DB 0499 0 6527 1 0 2200 0 6527 1 3 0010 0 6527 1 3 0020 0 6527 1
13. ZERO key ON Itis available to use backlight OFF It is not available to use backlight Note that backlight is set to OFF by default 5 Zero Range C ZPASS This is an allowable range from calibrated zero that the scale goes to zero from at start up 1 Press the MODE key until the display shows C ZPASS in calibration mode 2 Press the SET key the display shows 10 PEr or 2 PEr 3 You can change this setting by pressing MODE key 10 PEr Zero range is 10 of maximum capacity 2PEr Zero range is 2 of maximum capacity Note that zero range is set to 10 PEr by default 4 Press the SET key to save it 6 Unit C Unit 1 Press the MODE key until the display shows C Unit in calibration mode 2 Press the SET key the display shows C U grAm 3 Press the SET key the display shows OFF ON 4 You can change this setting by pressing MODE key Press the SET key to save ON You can use this unit OFF You cannot use this unit 5 When the display shows C U grAm press the MODE key to set other units Press the SET key to save Note that g ct pcs and 96 are set to ON by default 7 Gravity Constant C Grvty 1 Press the MODE key until the display shows C Grvty in calibration mode 2 Press the SET key the display shows C G NEwG At this time press the MODE key You will see the C G OLdG C G OldG menu you can enter gravity constant o
14. shows the version of the scale For example V2 00 3 Press the MODE key the display shows country code For example Std Standard 4 To exit this mode press the ZERO key 11 Reset Default Setting Calibration Data C rESEt 1 Press the MODE key until the display shows C rESEt in calibration mode 2 Press the SET key the display shows No 3 Press the MODE key you will see yES and press the SET key to reset All settings are changed to default but zero and span values are remained If you want to set these values to 0 press the CAL switch and SET key when the display shows yES on step 3 B Calibration Block Diagram MW II Calibration M ode gt Y E UNLOAd 1 e Y Y CCAPA gt 300g LOAd Sie amp 4 Y 3000g Y 200g Q Y 2000g Y S Internal Value C triM 2 5 P Increase internal Value v 5 M Decrease internal Value I Y C OptbL ON OFF T Zero adjustment 2 5 E C ZPASS 10PEr 2PEr OEC v C Unit 9 gt GO 5 g ct oz b tl dwt mom gn pcs Y 9 gt C GrvtY C G OLdG C G NEwG C ZtrAC OFF 0 5d 1 0d 2 0d 3 0d 4 0d
15. 0 A00 0038 O 1210 A00 0089 0 1501 A00 0306 0 1551 MSU 0500 0 1530 MSU 0510 0 2000 A00 0099 A 2000 A00 0118 0 2008 A00 0002 0 1502 A00 0408 0 1265 A00 0001 0 1000 A00 0202 0 1590 A00 0032 0 1590 A00 0033 0 2000 A00 0101 0 1590 A00 0034 0 1590 A00 0035 0 1512 A00 0306 0 2013 A00 0005 A 1512 A00 0310 0 1030 0148 0 1503 A00 0512 0 1503 PN 0310 0 1512 A00 0420 0 2022 A00 0005 0 PART NAME ASS Y UPPER COVER 240 M1 MPG UNDI 01 UPPER COVER UPPER COVER DISPLAY COVER DISPLAY COVER DISPLAY COVER DISPLAY COVER MEMBRANE S W SPEC PLATE PLATFORM DOUBLE TAPE TRAY L C HOLE COVER CONDUCT VE SPRING ASS Y L C BRACKET 240 21 M CB UND1 01 L C BRACKET LOAD SHAFT MACH NE SCREW FH MSHER SPR VRENCH BAT ASS Y BODY 240 M1 MBCD UND1 01 BODY BODY FOOT MACH NE SCREW PH SEALI NG BOLT SEALI NG PLATE BATTERY SPRI NG A BATTERY SPRING B BATTERY COVER BATTERY SPRING C BATTERY SPRING D TAPPI NG SCREW PH 2 BATTERY HOLDER TAPPI NG SCREW PH 2 LI MT BRACKET MACH NE SCREW VPH MH NE SCREW VPH TAPPI NG SCREW PH 2 WL SPEC FI CN ABS 750 190 291 55 ABS 750 190 291 55 CH 3009 REAR 3009 WII 3009 OO LEXAN MWI I 20 1200 11 35 10 15 34 130 0 5t 59 39 6 11 5 12 0 8 4 0 3t AL 1 2t
16. 3 0047 0 6527 1 3 0100 0 6527 1 3 0200 0 6527 1 3 0470 0 6527 1 3 1000 0 6540 LB3 1200 0 6670 TOO 0470 0 6702 CAP 0106 0 6704 C25 0330 0 6706 C16 0010 0 6706 C16 0100 0 6706 C50 0001 0 6712 0103 0 6712 P 014 0 6712 CFP 0200 0 PART NAME SPEC FI CATI ON 240 M1 EMP UNOL 01 MN N PCB IC CPU Q EEP ROM N D GOWERTER Q REG LATCR Q ORI VER IG TI MER 1 q CP AMP G O AM CLINE ERI VEER IC SI DAQ VARI STOR CH P TRANSI STOR CH P TRANSI STOR CH P D GE SWTCH NG D CDE CHP RE 1 10W CHP RE 1 10W CHP RE 1 10W CHP RE 1 10W CHP RE 1 10W CHP RE 1 10W CHP RE 1 10W CHP RE 1 10W CHP RE 1 10W CHP RE 1 10W PREC SA N RESI STOR I NOUCTANCE CH P TANTAL ELECTRI G CONDENSER 6100 PMW 0400 B MWI I PBOCS1REPHBA CAT93CA6S SM 55522 AP 300 KA7805 D PACK UPD 7225600 PCF8563P F4 N M62 J RC 17765 CL232CBE SM TG 76601 A S NR7DLSO KTA1298Y 2N2222AS KD5184 PMLL4148L LP CONT RR1220P 3030 30 RR1220P 4992LY 49 9K FTR 0805 221 J R 220 0805 102 J R 1K 0805 202 J 20 0805 472 J R 4 7K 0805 103 J R 10K 0805 203 R 20K 0805 473 47K 0805 104 R 100K FLBY 120K 470u H 10MS 106 MB TER 330UF 25V CH P ELECTR C CONDENSER 10uF 16V CH P ELECTRIC CONDENSER 100uF 16V 6 3 CH P ELECTR C CONDENSER 1uF 50V 4 0 CH P CONDENSER CH P CON
17. 8 MR IK x 199 F MR 10K x19 F MR 100K 1 F 100LF 25V 31 UNT QTY LOCATION DPEPESEHTPESTTUTTEPSTTEPRP STTS SESE SESRE SESREESE 1 2 12 PPP PP PP PP rn 5 PPP eH PNP PP 65 amp 7 L1 2 3 4 5 6 7 8 9 10 40 41 BZ40 Y1 41 Y40 LEBO Br SL a67 ou CN61 CONLO J P41 J P40 Qpti on D Opti on B on R on R on R Opti on B IG1 R61 R37 38 C37 10 11 ON PWN H N NH PRP PPP 5 Pe FH O00 0U0 PWN AUNE MT L NEW CCDE 6710 CAP 0104 0 7244 DOO 0005 0 7810 COO 295 0 RECHARGE PCB ASS Y 6140 PMV 0400 0 6232 00 0713 0 6273 00 9530 0 6280 00 1266 0 6280 I 00 1815 0 6280 I 00 1959 0 6291 PO 5819 0 6294 SW4148 0 6505 MBO 0500 0 6512 g 0 0006 6 6515 g 3 0010 0 6515 g 3 0020 0 6515 g 3 1000 0 6670 TOO 0220 0 6704 C16 0100 0 6704 C25 0330 0 6704 Q5 0470 0 6710 CAP 0104 0 6710 CAP P221 0 6720 CP 0104 A 7809 CAL 0010 0 2631 A00 0002 0 6110 PMW 0400 A 7212 D0O 9758 0 7806 YDW 0030 0 7830 VOO 3023 0 PART NAME CERAM G CONDENSER E L NERTER GONNECTCR 240 M5 ERCP UNDI 01 RECHARGE PCB IC MOSFET TRANSI STOR TRANSI STOR TRANSI STOR POWER O Q SWTCH NG O CDE RESI STOR 1 AW RESI STOR 2W RESI STOR 1 AW RESI STOR 1 AW RESI STOR 1 A
18. DENSER CH P CONDENSER 21 103 KBNC QL21F 104 KBNC 21 200 BNQ 20PF 30 UNT QTY LOCATION 1 C40 e IG U60 1CG0 1 C43 u61 ICL 2 142 RVL 2 3 4 5 90 40 l1 D40 60 2 3 R64 67 31 R3 4 30 69 2 R70 R32 50 51 52 53 R61 R54 55 56 57 R43 40 60 33 34 35 R65 71 R68 69 1 10 RM 45 46 47 48 49 62 63 66 69 RL2 L60 61 C49 1 20 25 18 1 18 19 19 1 13 14 10 17 G2 C51 65 31 23 69 C22 63 C35 al C2 8 9 12 15 16 21 24 26 27 28 29 30 32 33 34 36 42 43 45 46 47 48 52 53 60 61 64 66 67 68 CAO 41 P oESUTETETETOUZTUZTT UPos T TsS NNO 5 UP 5 PNP mn P om p N PrnNnUur N N PURRE 8 EA 2 37 39 41 42 43 45 47 49 50 51 52 53 55 56 OU AUNE ON AU AUNE MT L NEW CCDE 6712 0300 0 6720 CAP 0105 A 6800 0220 0 7002 Z00 0070 0 7010 ZKO 3276 0 7010 ZW 1105 A 7212 D00 9758 A 7520 POO 2032 A 7600 STA 1902 0 7805 GON 6702 0 7805 CON 6703 0 7805 CON 6708 0 7807 CFP 0008 0 7807 CFP 0008 A 7821 g M 0002 0 7821 9 M 0003 0 7806 YDA 0030 0 7222 D00 0001 0 7232 DRG 0004 0 2090 H0O 0007 0 RS232C PCB ASS Y 6158 0400 B 7610 STA 0302 0 7805 CCN 6703 0 7805 6704 0 7812 00 0009 B 7840 VOO 0905 0 POWER ASS Y 7840 VOO 1216 0 7840 VOO 2221 0 7860
19. PC 2t SPC 1t 35 ESESREELELEE SEL 3 QTY PPP PP PRPRPNNFPHPNBFPNPFPRPHPNBFPNRPKRP BPR He REV 01 Opti on D Opti on R 27 28 29 3l DU AUN MT L NEW CCDE 1502 A00 0305 0 1512 A00 0310 0 1503 0310 0 7840 VOO 0224 0 2631 A00 0023 0 7510 P12 1122 0 7510 P12 1122 G 7510 P12 0220 H 9100 M2 0100 0 9202 APE 0003 O 9203 APE 0001 O 9310 A00 0003 0 9302 A00 0003 O 9302 A00 0005 A 9400 A00 0046 0 7520 POO 0170 0 PART NAME MH NE SCREW TAPPI NG SCREW PH 2 MH NE SCREW CONNECTOR WRE SPEC FI CATI CN M8 5 3 10 M8 10 2P 70 170 WII BATTERY COVER CN 80 26 2t EVA ASS Y QT BOX 240 M1 MTB UNOL 01 AC ADATCR AC ADATCR AC ADATCR QT BOC1 POLY ETHYLENE PAD POLY ETHYLENE BOX MANUAL POLY BAG TRAY POLY BAG SET PCLY BAG SI LI CAGEL N MH BATTERY LOAD CELL ASS Y LLA BMW 302G 0000 ON 110 220 12V 300 110 220 12V 850nA 220V 12V 850nA 2 268 200 110 345 208 170 250 0 O5t 200 250 0 O5t 270 350 0 04t 10g CP130A H 1 2V MN L CU 2kg 3kg 36 T SESRE SESEESELETE gt QTY LOCATION ON FH HR on R on R
20. REV 00 2002 MAY MW Il Series Service Manual CAS CORPORATION CONTENTS Preface A Introductions B Precautions C Specifications D Sealing Method Calibration amp program code download A B C D General calibration Calibration block diagram How to confirm the setting value Program code download The schematics and the diagram A System Block Diagram Circuit Diagram Wiring Diagram Parts locations Exploded View The error messages A Error message B Troubleshooting Serial Interface A RS232C connection Parts List A Electronic Parts List B Mechanical Parts List U BW WwW 10 11 13 14 18 21 25 26 27 28 30 33 1 PREFACE A Introductions Thank you for purchasing our CAS MW II Series These series has been designed with CAS reliability under rigid quality control and with outstanding performance Your specialty departments can enjoy these high quality reliable CAS products We believe that your needs will be satisfied and you will have proper reliability This manual will help you with proper operation and care of the MW II series Please keep it handy for future reference u Precautions 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 one hour before operations Keep the scale away from strong EMI noises may cause incorrect weight re
21. W I NOUCTANCE ELECTR C CONDENSER ELECTR C CONDENSER ELECTR G CONDENSER CERAM G CONDENSER CERAM G CONDENSER POLYESTER CONDENSER GONNECTCR VIAFER VFD ALSH CN DISPLAY PCB LCD GONNECTCR VAFER REAR SPLAY WRE SPEC FI CATI CN 0 1UF 25W 50V SPEL 5Q NG BI Cl 2001B FV0254 30 6140 PMV 0400 0 MAX713CPE RF9530 2SA1266 2SC1815A 3198 2SC1959 1N5819 1N4148P MR 500 0 1 B CFRO 660 5 CFR 1K 5 CFR 2K 5 CFR 100K 5 220uH 100uF 16V 330UF 25V 470uF 25V 0 1LF 25V 50V 220PF 50V 0 1LF 63V J BOY LAL 0640 10 REAR DISPLAY PCB ASS Y 240 NP4 EREP UNOL 01 30 20 6T 6110 PMV0400 A 9758A R F MWI I YDV 900 30 MV 2 30P 30P 230 MV 2 32 UNT QTY LOCATION SEE SESE PRPrPrP PPP PHP NN FHrRHHRHrN on R 1 C70 Q 4 073 Qo 71 qu D 3 74 75 76 D 0 71 R71 73 R75 R74 R70 R72 L70 C75 C70 71 76 C72 C77 C74 C73 avo Opti on D 11 B MECHANICAL PART MIEL MWI I 300 NO MTL MWATIE oon aun A Ui BWN H U MN 5 5 PPP 5 ON OU N 2000 A00 0100 0 2000 A00 0117 0 2050 M 0000 O 2050 M 0333 5 2050 M 0333 4 2050 M 0333 5 2100 M 0000 0 1810 M 0033 2 1210 A00 0020 0 2631 A00 0021 A 1000 0115 0 2000 A00 0108 0 1590 A00 0036 0 105
22. Y COVER CN 80 26 2t EVA ASS Y QT BOX 240 M1 MCTB UNOL 01 AC ADATCR AC ADATCR AC ADATCR QT BOX 1 POLY ETHYLENE PAD POLY ETHYLENE BOX MANUAL POLY BAG TRAY POLY BAG SET PCLY BAG SI LI CAGEL N MH BATTERY LOAD CELL ASS Y LLA BMW 301G 0000 ON 110 220 12V 300nA 110 220 12V 850nA 220V 12V 850 2 2682007110 345 208 170 250 0 05 2005125050 O5t 2703500 04t 109 CP130A H 1 2V MW2 L C 200 3009 34 T EPpZIPDZIPZIZZIBSE SESRSERSELEES gt QTY LOCATION PRPNRPRPRP RP HP DNFRPRPNRP PRP PP on R on R MIEL MWI I 3000 NO MTL MWATIE N OW m vo DU 3 U0 N NNNNNNNRPPRP BP RP RPP 5 WAN DUN PWN HH 2000 A00 0100 0 2000 A00 0117 0 2050 M 0000 0 2050 M 3033 5 2050 M 3033 4 2050 M 3033 6 2100 M 2 0000 0 1810 M 0033 2 1000 A00 0203 0 1050 A00 0039 0 1030 0147 0 PART NAME ASS Y UPPER COVER 240 N23 MPG UNDI 01 UPPER COVER UPPER COVER DISPLAY COVER DISPLAY COVER DISPLAY COVER DISPLAY COVER MEMBRANE S W SPEC PLATE TRAY PLATFORM ASS Y L C BRACKET 240 N23 M CE UNDI 01 L C BRACKET 1551 U 0500 0 VASHER SPR 1530 5U 0510 0 VRENH BAT 2000 A00 0099 A 2000 A00 0118 0 2008 A00 0002 0 1502 A00 0408 0 1265 A00 0001 0 1000 A00 0202 0 1590 A00 0032 0 1590 A00 0033 0 2000 A00
23. adings This scale must be installed in a dry and liquid free environment Do not subject the scale to sudden temperature changes Do not subject the platter to sudden shocks O V A W N Be If the scale is not properly level please adjust the 4 legs at the bottom of the scale turn legs clockwise or counterclockwise so as to center the bubble of the leveling gauge inside the indicated circle C Specifications MODEL MWI 200 MWII 300 MWI 2000 MAX CAPACITY 300 g 2 kg READABILITY 0 01 0 1g TARE SUBTRACTION 300 g 2 kg DISPLAY 6 digit LCD g 0z tl PCS dwt WEIGHING UNIT mom ct GN lb 3000 LINEARITY 0 01 g REPEATABILITY 0 01 g STABILIZATION TIME DISPLAY SPEED INTERFACE 2 3 seconds 5 times seconds RS232C Adaptor DC12V 300mA Recharge Adaptor DC12V 850mA POWER SOURCE Dry Battery 1 5V x 6 AA size 0 4 W e B Type Display Backlight Using backlight cut the battery life by 30 40 9 R Type Rechargeable Battery OPTION NiCd NiMH Battery 7 2V Adaptor DC 12V 850mA Approx 12 hours NiMH battery D type Dual Display POWER CONSUMPTION OPERATING 10 C 40 C TEMPERATURE PLATTER SIZE mm 300 PRODUCT WEIGHT 1 04 kg PRODUCT SIZE mm 189 W x 271 D x 83 H 158 144 6 1 3 kg 189 W x 271 D x 83 H D Sealing Method CHECKED APPROVED SEALING SEALING BOLT
24. f calibration place C G NewG menu you can enter gravity constant of using place 3 Press the SET key the display shows 9 XXXXX 4 To increase the number press the MODE key and to go to the right side of digit press the SET key To go to the left side of digit press the TARE key At last digit press the SET key to save If the value of fifth decimal place is zero you have to enter 0 5 If you want to cancel press the ZERO key 6 The value of C G OldG is converted to the value of C G NewG automatically when you perform the span calibration 7 Note that the gravity constant is set to 9 79940 by default 8 Zero Tracking Level C ZtrAC 1 Press the MODE key until the display shows C ZtrAC in calibration mode 2 Press the SET key the display shows previous setting value Press the MODE key to change this value Note that zero tracking level is set to 1 0d by default 3 Press the SET key to save 9 Self Calibration C SELFC 1 Press the MODE key until the display shows C SELFC in calibration mode 2 Press the SET key the display shows previous setting value Press the MODE key to change this value Note that self calibration is set to ON by default If you set it to ON the scale performs self calibration every 5 minutes 3 Press the SET key to save 10 Version C vEr 1 Press the MODE key until the display shows C vEr in calibration mode 2 Press the SET key the display
25. ff and on You will go to normal mode If the display shows CAL Er check EEPROM 2 nit 1 Ifthe display shows Init press the SET key If you press another key EEPROM is not initialized and go to next step 2 CAL Er is displayed in 10 seconds 3 Span calibrate the scale again Turn the power off and on 4 If the display shows still Init check EEPROM 27 5 Serial Interface A RS232C connector 1 Scale gt PC or Printer Type 2 Rx 3 Tx PC Scale or Printer TYPE D Sub D Sub Connector Connector 9 pin 9 pin 2 Scale e Printer Type 2 Tx 3 Rx Eg Printer TYPE D Sub D Sub Connector Connector 9 pin 9 pin 28 B Data Transmission Frame Total Length 24 44 bytes ITEM Size bytes DESCRIPTIONS CR 1 Carriage Retum 0x0D LF 1 Line Feed 0x0A SP 1 Space 0x20 lee If you set P conch to On in Setup menu 3 bytes is transmitted If you select OFF transmission is not performed C1 C2 C3 0x21 0x30 EC UU Ler ur Too ex 02 03 pa vs os pz ve p xo cr er Date format is different depends on the setting of P PdAtE in Setup menu If you select OFF transmission is not performed 2001 12 01 14 bytes CR LF DO
26. i Gl i brati on Data gt Mi ti Gl i bration Data gt Mi ti Gl i bration Data gt Mi ti Gl i bration Data gt Mi ti Gl i bration Data gt Capaci ty 0 3 gt Initial Zero Buffer gt Rezero Buffer gt Tare Buffer gt Ti nero gt Tinerl gt QD Gavity Constant Reference gt NEWGavity Constant gt AD Buffer 25002 7153 Keys for debugging mode Ct R Report Ctr E EEPROM Erase X EEPROM Read A ADC CS5522 Initializing D Display Buffer Read 10 D Program Code Download 1 Set J 40 J 41 J 60 of main PCB to download mode as below After setting the J 40 J 41 and then set the J 60 2 Connect RS232c cable to PC 3 Turn on the power 4 Type winisp exe and press the ENTER key 5 Set the parameters as below Chip P89C51RD2 Port Coml Com2 Osc MHz 11 0592 PHILIPS ISP PHILIPS System z Programmer Ver 724 Chie Feacsinb2 Pot Coml E Secunby Flange DIA Stat CME End TOES a Osc MHe 110592 wae eens TRE 6 Click Read and confirm the message Boot Vector Read OK on Status Display At this time confirm Vector FC Status 00 setting If not set them again and click Write If Boot Vector Read OK Message is not shown confirm step 1 2 11 7 Click Load File 8 Click Erase Blocks 9 Click Select All and then ERASE
27. ibration C triM 1 Press the MODE key until the display shows C triM menu in the calibration mode 2 Press the SET key you will see the internal value 3 If the internal value is not zero press the TARE key to set it to zero 4 Place a weight M1 on the platter and adjust the value to AD1 by pressing the PRINT or MODE key Refer to Table 1 PRINT key is used to increase the value and MODE key is used to decrease the value Table 1 gt capa Wwixo ws m2 2009 200 anz 19904 200055 capa mwi wa o 109g aba 14994 15905 5 If the value is within AD1 the display shows ZERO but if the value is out of this range it is impossible to adjust this value 6 Place a weight M2 on the platter and adjust the value to AD2 by pressing the PRINT or MODE key Refer to Table 1 7 If the value is within AD2 the display shows 8 Place a weight M3 on the platter and adjust the value to AD3 by pressing the PRINT or MODE key Refer to Table 1 9 If the value is within AD3 the display shows Battery 10 Press the SET key to save it If you want to cancel press the ZERO key 4 Option Backlight C OPtbL 1 Press the MODE key until the display shows C OPtbL in calibration mode 2 Press the SET key the display shows OFF or On 3 You can change this setting by pressing MODE key Press the SET key to save If you want to cancel press the
28. nee CIRCUIT FEL SHIELD END N n Pine d lt Title PWR S W MW SeriesPOWER CIRCUIT TO MAIN CIRCUIT Bize Document Number lev A3 6100 PMW 0400 A 00 ate Monday June 04 2001 Bheet of 5 15 UNI JAMOd Z S Z ON To Main PCB PWR GND et 0 1u tOuF tOV Tantal CN1 LOADCELL 1 QuFHOV Tantal C12 otu ii 5 C18 1 10uF 1PV Tantal IT 8 105 MMY5 5 027 18 C15 T 100F TV Tantal 9 8 xps 10uF 10V Tantal 4 1 CONS pO De C19 1 e T T AGND nn 8 49 9k pi i 10uF 1pV Tantal NA VA L4 TDK221 un 1 ANT um Dil ina1a8 Ais 10uF 1 V Tantal Ar 1 12 105 MMY5 iB mE cr c L 616 ZT O17 300g imv V 6 8 4 iium Cii BA Sg Tmv N TDK221 O OtuF 103 8 lt __ scik GND Return 2 80 H cs 32 768KHZ DI 5 TO MAIN Pe IDa ex CIRCUIT 10uF 10V Tantal TDK221 vn CPU GND Return Tr C20 L8 Ha Ha H he Vv XL C25 V L CAP VOUT 10uF 10V Tantal 100uF 16V ELEC GND Return 7 M 1 N a z ICH BoosT ViN OP W Gnd C23 10uF 16V ELEC SHIELD CASE
29. ok PIE co 7 z 0 1u si s12 9 31 TOUF 10V Tantal Ub ao 51 OZTIULB 4 10 z busy T 29 s10 DWT KG 1 FROM MAIN CI D 9 6ABIC ag CIRCUIT 12 28 39 13 CPU reset 27 58 6F G E D Inora gs Jagg CON28C zseereeg u NR ees mew Vdo adadad ddadda SFIGFEID REAR DISPLAY OPTION R30 49 9K TO CPU 12PIN 4 4 ot ap ad d D 1331334345 4444232922231 q q itle MW Series DISPLAY CIRCUIT 1uF SOV ELEC Bize Document Number lev 5 A3 6100 PMW 0400 A 00 Date Monday June 04 2001 Bheet 4 of 5 17 G v ON nad Ae ds q D75 v 5819 Q74 70 330uF 25V Elec 100K 330uF 25V IRF9530 Das t D73 C77 R72 C71 C70 1K R74 A 581 ano Q70 D74 GP t a72 W 5819 C1815 D70 A do R71 50 D76 D71 1 p art D1N4148 30mA 81 a VE 5819 C1815 12mA gt V amp BAT n ec C75 SEMI C74 h00u 16V Elec 220p FAST PGM2 Hrs PGM3 1 MAX713 GND vu Bat H2 4 1 TEMP REF TLo 2 4 R75 1070 0 66 4 R70 2K v 18 CN7O CN62 1PIN 330uF 25V Elec 1 CNee2PN TO RS232C PCB 3 CN61 MAIN 434 CN61 MAIN Cre 5 CN61 MAIN 6 CN61 BAT Ir 7 CN61 BAT O MAIN PCB

Service Manual Service Manual

Contents

Download Pdf Manuals

Related Search

Related Contents