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Jadever JWE Service Manual

Other manuals for JWE: User Manual, User Manual
Manual is about: High Precision Check Weigher and Bench Scale

Summary of JWE

  • Page 1

    Jwe series service manual.

  • Page 2: Content

    Content 1.Assembly drawing 1-1 explosive view……………………………………………………… 1-2 part list……………………………………………………………… 1 2 2. Electronic construction 2-1 pcb board wiring………………………………………………….. 2-2 wiring configuration……………………………………………….. 2-3 circuit diagram…………………………………………………….. 3 3 4 3. Rs-232 communication 3-1 r...

  • Page 3

    Jadever scale co., ltd jwe service manual 1 1.Assembly drawing 1-1 explosive view.

  • Page 4

    Jadever scale co., ltd jwe service manual 2 1-2 part list no. Name quantity part number material number 1 stainless steel weighing pan 1 jwe-1 12-0003-0000xm 2 plastic base 1 jwe-2 02-0000-1520xm 3 dust shield 1 jwe-3 02-0007-0000xm 4 backboard 1 jwe-4 20-1010-0300xm 5 upper cover 1 jwe-5 02-0000-15...

  • Page 5: 2. Electronic Construction

    Jadever scale co., ltd jwe service manual 3 2. Electronic construction 2-1 pcb board wiring 2-2 wiring configuration.

  • Page 6

    Jadever scale co., ltd jwe service manual 4 2-3 circuit diagram title number revision size a1 date: 11-may-2009 sheet of file: e:\jadever\lx 资料档 \b称.Ddb drawn by: 1 2 cn6 print r48 1k,c avs2 c o m1 1 c o m2 2 c o m3 3 c o m4 4 s e mg 1 5 s e mg 2 6 s e mg 3 7 s e mg 4 8 s e mg 5 9 s e mg 6 10 s e mg...

  • Page 7

    Jadever scale co., ltd jwe service manual 5 3. Rs-232 communication 3-1 rs-232 circuit diagram 3-2 single option 3-2-1 scale to printer scale to bp545d(tdp) printer scale to sh-24（tp）printer universal 25 pin (male) to 9 pin (male) rs-232 connecting cable..

  • Page 8

    Jadever scale co., ltd jwe service manual 6 scale to zebra printer scale to ez printer universal 25 pin (male) to 9 pin (male) rs-232 connecting cable. Universal 25 pin (male) to 9 pin (male) rs-232 connecting cable. 3-2-2 scale to pc 1. Get receiving program ready on your computer. 2.Please set the...

  • Page 9

    Jadever scale co., ltd jwe service manual 7 3-2-3 scale to light tower the pin of light tower picture the light tower should be connected to the 25-pin (male) socket. Light tower to scale picture that is commonly used 25pin port (male) ~ 25 pin port (female) rs232 connecting wire. Note: the hollow d...

  • Page 10

    Jadever scale co., ltd jwe service manual 8 3-2-4 scale to pc and light scale to pc and light tower picture note: the hole dots represents the male connectors, while the black dots represent the female connectors. 3-2-5 scale to printer and light tower scale to pc and zebra/godex(ez)/b p545d（tdp） pi...

  • Page 11

    Jadever scale co., ltd jwe service manual 9 stop bit ： 1 code ： ascii bit format ： lsb msb 0 1 2 3 4 5 6 7 8 start bit parity stop bit data format 1. Kg g/n/t . W . ： +/- k g cr lf weight eg: t.W.: + 1.000 kg n.W.: + 1.000 kg g.W.: + 2.000 kg 2.G g/n/ t . W . ： +/- g cr lf weight eg： t.W. : + 0.0 g ...

  • Page 12

    Jadever scale co., ltd jwe service manual 10 n.W.: + 2.2050 lb g.W.: + 4.4100 lb 4.台斤 g/n/ t . W . ： +/- - g - t l . T c r lf weight eg：: t.W.: + 1-10.7g-tl.T n.W.: + 1-10.7g-tl.T g.W.: + 3- 5.3g-tl.T 5.港斤 g/n/ t . W . ： +/- - g - t l . H c r lf weight eg： t.W. : + 1-10.5g-tl.H n.W. : + 1-10.5g-tl.H...

  • Page 13

    Jadever scale co., ltd jwe service manual 11 g.W. : + 3.9998 c-jing 7、lb/oz g/n/ t . W . ： +/- l b cr lf weight eg： t.W.: + 0- lb 0.000 oz n.W.: + 2- lb 3.280 oz g.W.: + 2- lb 3.270 oz 8、pcs t o t a l ： +/- p c s cr lf pcs eg： total：+ 645 pcs 9. % +/- % c r l f % eg.： + 24% g = gross n = net.

  • Page 14

    Jadever scale co., ltd jwe service manual 12 4. Adjustments and settings 4-1 model setting 1. Press and hold key tare and zero while powering on the scale. The screen displays “set” 2. Press m+/mr and the screen will display “tw 3kg” 3. And then press mode to select the format. (tw for taiwan format...

  • Page 15

    Jadever scale co., ltd jwe service manual 13 linear calibration 1）press and hold key tare while powering on the scale. The screen displays , then release the keys. 2) press key mode to enter the zero point calibration mode. 3) wait till appears, put weights of 1/3 of full load on the weighing pan an...

  • Page 16

    Jadever scale co., ltd jwe service manual 14 4-5 ad count value display and keyboard testing 5 press and hole key m+/mr and mode while powering on the scale. The screen will display “pos3” 6 press zero to enter weighing mode. Press others key to conduct keyboard testing press m+/mr , the screen will...

  • Page 17

    Jadever scale co., ltd jwe service manual 15 description of parameter values 1) calibration see “7. Calibration” 2) set the active weight unit. The following setting are available: kg, g, lb, lb-oz,斤, 台斤, 港斤,pcs and % . (enable); (disable) 3) set the init weight unit. The following setting are avail...

  • Page 18

    Jadever scale co., ltd jwe service manual 16 13) set rtc function. (enable); (disable) 5. Trouble shootings 5-1 preliminary checks is the bubble of the level indicator at the center? Is the battery electricity capacity ok? Is power cord connected both with the scale and with the outlet properly? Is ...

  • Page 19

    Jadever scale co., ltd jwe service manual 17 defective required. 2. Please check d2/d313/lm723/ rectifier, then replace the defective one. 3. Charge lamp defective, replacement is required. 4. The polarity or the charging lamp is reversed. Poor lcd display lcd defective after confirming that there i...

  • Page 20

    Jadever scale co., ltd jwe service manual 18 5-3 troubleshooting and error message 6.Parts replacement 6-1 load cell replacement 1.Remove the upper cover 2.Remove the 4 fixing screws of the l/c support error messageproblems solutions initial zero point exceeds ＋ /-30% (take 10% as reference basis) 1...

  • Page 21

    Jadever scale co., ltd jwe service manual 19 3.Remove l/c support 4.Disconnect the l/c wire from the main board by soldering iron 5.Remove the fixing screws of 6.Remove the upper support upper l/c support 7.Remove the fixing screws of 8.Replace the l/c and tighten the lower l/c support screws of sup...

  • Page 22

    Jadever scale co., ltd jwe service manual 20 small strength so as the avoid damage to l/c), after grinding, press zero key to measure the four corners again. D. Repeat step b-c until the difference between the four corners and the center is ±1 division, then recalibrate the scale. E: after grinding ...

  • Page 23

    Jadever scale co., ltd jwe service manual 21 3.Remove the keypad. Disconnect 4. Remove the 2 fixing screws of all the connectors the main board 5.Paste a protection film on the lcd 6.Upside down the main board and disconnect the l/c wire by soldering iron 7.Replace the new main board and 8.Tare away...

  • Page 24

    Jadever scale co., ltd jwe service manual 22 11.Put on the weighing pan note: 1) zemic and mavin load cell:“e+”in red, “e-”in black, “s+”in green ,and “s-”in while 2) tedea load cell: “e+”in green, “e-”in black, “s+”in red ,and “s-”in while 6-3 rechargeable battery replacement 1.Remove the weighing ...

  • Page 25

    Jadever scale co., ltd jwe service manual 23 7. Put on the battery cover and 8.Put on the weighing pan tighten the fixing screw 6-4 rs232 replacement 1.Remove the upper cover 2.Remove the 4 fixing screws of the support 3.Remove the l/c module 4.Remove the fixing screws of rs232 board 5.Disconnect th...

  • Page 26

    Jadever scale co., ltd jwe service manual 24 6-5 keypad replacement 1.Remove the weighing pan 2. Upside down the scale and remove the 7 fixing screws 3.Open the upper cover 4.Disconnect the keypad 5.Remove the upper cover and 6.Clear the defective gum and tear tear down the keypad away the release p...

  • Page 27

    Jadever scale co., ltd jwe service manual 25 9.Put on the upper cover and do 10.Upside down the scale and the key testing tighten the 7 fixing screws 11.Put on the weighing pan 6-6 lcd replacement 1.Cut away the lcd 2.Remove the bad lcd 3.Punch the welding spot 4.Install the new lcd.

  • Page 28

    Jadever scale co., ltd jwe service manual 26 5.Tin-plaste for the new lcd. Pay 6.Finish much attention to the welding spot 7. Applicable version and software version:02 revision date: may 14, 2009.