background image

JADEVER SCALE CO., LTD

- www.dongminhphat.com

3

                JCL Service Manual

- www.cantudong,com

2-2 Circuit diagram
MCU

Summary of Contents for JCL

Page 1: ...ts and Settings 4 1 Model setting 4 2 Single point calibration 4 3 Linear calibration 4 4 Function setting 4 5 Scale initialization 4 6 Set division 4 7 Offset value display and key test 4 8 Unit switch operation 12 12 12 13 15 15 15 15 5 Trouble Shootings 5 1 Primary checks 5 2 Problems and solutions 5 3 Error message 16 17 19 6 Parts Replacement 6 1 Main board replacement 6 2 Load cell replaceme...

Page 2: ...art No Material No 1 Xm JCL front panel 1 JCL 1 20 1925 0001 2 Xm Keypad 1 JCL 2 21 0506 0010 3 Xm Leveler 1 JCL 3 02 0108 0003xm 14mm 4 Xm Transformer 1 JPL 4 61 0003 0400 5 Xm Switch 1 JCL 5 60 0000 0000xm 6 Xm Socket 1 JCL 6 60 0503 0001xm 7 Xm JCL main board 1 JCL 7 80 0124 0000 8 Xm Bottom cover 1 JCL 8 02 0000 6020 9 Xm Lower support 1 JCL 9 10 0425 0100 ...

Page 3: ...C load cell 20k 1 JCL 13 51 0701 0020 13 3 Xm TRUE TEC load cell 35k 1 JCL 13 51 0701 0030 14 Xm Rechargeable battery 1 JCL 14 61 0201 0098xm 15 Xm Battery cover 1 JCL 15 02 0000 6030 16 Xm Rear display 1 JCL 16 80 0126 0010 17 Xm Upper support 1 JCL 17 10 0425 0000 18 Xm Upper cover 1 JCL 18 02 0000 6000 19 Xm Rear panel 1 JCL 19 20 1925 0010 20 Xm Plastic weighing pan 1 JCL 20 02 0000 6040 21 Xm...

Page 4: ...JADEVER SCALE CO LTD www dongminhphat com 3 JCL Service Manual www cantudong com 2 2 Circuit diagram MCU ...

Page 5: ...JADEVER SCALE CO LTD www dongminhphat com 4 JCL Service Manual www cantudong com POWER AD ...

Page 6: ...JADEVER SCALE CO LTD www dongminhphat com 5 JCL Service Manual www cantudong com DISPLAY REAR DISPLAY ...

Page 7: ...JADEVER SCALE CO LTD www dongminhphat com 6 JCL Service Manual www cantudong com 3 RS 232 communication 3 1 RS 232 connector 3 2 RS 232 Circuit Diagram ...

Page 8: ...cable 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 RS232 connecting cable Scale to PC 1 Get receiving program ready on your computer 2 Please set the print mode as Prt Co continuous print the scale will output the data to the PC continuously Commonly used 9 female 25male RS232 connecting wire Note The hol...

Page 9: ...t the male connectors and the black dots female connectors Note after the light tower connected to scale properly the corresponding lamp will light up to indicate the result of quantity check Red lamp on The quantity of weighing articles on the weighing pan exceeds the upper limit Green lamp on The quantity of weighing articles on the weighing pan is between upper and lower limits Orange lamp on T...

Page 10: ...ntudong com Scale to PC and light tower Example of option Option External Device Print out format AP1 RS232 RTC Relay TDP AP2 RS232 RTC Relay SH 24 TP Wire connection Pictures Note The hollow dots represent the male connectors and the black dots are for female connectors ...

Page 11: ...al www cantudong com AP3 RS232 RTC Relay ZEBRA Applicable to the quality control of the factory product quantity or weight and that of the total production line LED Light Tower EZ 2008 06 28 14 47 25 G W 4 000kg U W 20 000g pcs Total 200pcs AP4 RS232 RTC Relay PC ...

Page 12: ...N W k g CR LF weight U W g p c s CR LF Unit weight T o t a l p c s CR LF pcs Example G W 2 2352 kg U W 0 5352 g pcs Total 4176 pcs lb G N W l b CR LF weight U W l b p c s CR LF Unit weight T o t a l p c s CR LF pcs Example G W 2 2352 lb U W 0 5352 lb pcs Total 4pcs G GROSS N NET 4 Adjustments and Settings 4 1 Maximum Weighing Capacity Division Setting Capacity Setting Turn on the power while press...

Page 13: ...twards or rightwards use M HI or PRINT LO to set the value or move the decimal point After setting use key M SAVE to save the setting and advance to calibration or use key ZERO ESC to cancel the settings and return to weighing mode 4 2 Single point calibration 1 Press and hold key TARE while powering on the scale The screen displays CAL and unit chosen then release the keys 2 Press key TARE to ent...

Page 14: ...eat the procedure 4 to continue the linear calibration and press M SAVE and the calibration procedure will be completed with a displayed on the screen and return to normal weighing mode 4 4 Offset value display and keypad test 1 Turn on the power while pressing key G N SET Use MR or TARE to make the scale displays CHECK SET 00 and press G N SET again the screen show MPC version date and offset val...

Page 15: ...method If the offset value is too high please install a Resistor between S and E The higher resistance the lower the offset value becomes E E S S If the offset value is too low please install a Resistor between S and E The lower resistance the higher the offset value becomes E E S S 4 5 Scale initializations 4 5 1 User Initializations and keep its capacity and calibration value 1 Turn on the power...

Page 16: ...两 港斤 港斤 港两 pcs use MR or TARE to choose ON or OFF Press M SAVE to save the setting and back to F UNIT Press key ZERO ESC to return to weighing mode Note only the unit set ON could be used by user 2 unit setting by user Turn on the power while pressing key G N SET the scale displays CHECK SET 00 and use MR or TARE to choose the parameter UNIT SET 03 Use G N SET to show the weight s unit and unit we...

Page 17: ...ut saving Press ZERO ESC to return normal weighing mode Note Press and hold key SMPL and G N SET while powering on the scale Press the passcode 11 and press M SAVE to enter the advanced parameter setting 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...

Page 18: ...onducting objects please replace LCD Power circuit fault Please check the working voltage of CPU pin 44 LM2930 TIP32C Q7 4069 pin3 6 14 Q5 then replace the one which working voltage is abnormal Power on failure Malfunction in ON OFF switch Replace the ON OFF switch Lead acid battery defective Remove battery and power on by using charging transformer to see if the failure is due to battery defect C...

Page 19: ...ed Q11 or Q8 defective Please check replace Q11 or Q8 Buzzer does not work BUZZER defective or buzzer circuit fault Replacement is required Keypad or keypad circuit fault Check replace keypad or keypad circuit CPU CPU program effective Check replace CPU Keypad dysfunction Component 74LS139 defective Check replace component 74LS139 Memory dysfunction Component 24C02 R29 R30 R31 or CP18 defective Pl...

Page 20: ...cts our Service EEPROM Chksum failure Re sold EEPROM or contact our Service The weighed articles are overload Do not load the item exceeds the maximum tolerance LCD backlight defective Replacement is required LCD backlight no function Component defective Please check replace Q9 CPU P71 R72 R73 R74 R75 R76 Insufficient cell voltage Please recharge the battery Rechargeable failure If the voltage of ...

Page 21: ...cles exceeds display range when the scale is under unit weight entering or sampling mode Low battery Recharge the battery The scale can be used while it is recharging 6 Parts replacement Please switch off the scale before part replacement 6 1 Main board replacement 1 Remove the weighing pan 2 Turn the scale upside down loosen and remove the 4 fixing screws 3 Open the upper housing 4 Remove the key...

Page 22: ... remove the protection cover from the LCD display 10 Install the upper cover turn the 11 Place the stainless steel weighing scale upside down then tighten 4 pan properly on the scale fixing screws 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 After the replacement is done 1 Switch on the scale to check...

Page 23: ...ule 3 Lift the whole load cell support 4 Disconnect the load cell wire Module out of the scale from main board 5 Loosen and remove the 2 hexagonal 6 Remove the upper support socket screws from the upper support 7 Loosen and remove the 2 Hexagonal 8 Prepare and install a new load cell reversibly socket screws from Lower support 9 First solder load cell wire then install 10 Please insert the keypad ...

Page 24: ... 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 the scale if there are still big differences In the displayed weighing between the 4 corners and center of the scale it means malfunction in L C F Pay attentions to L C specification when grinding the smaller Max Capaci...

Page 25: ...r 3 Remove the battery cover 4 Disconnect the wire connection then remove the rechargeable battery 5 Prepare for a new rechargeable 6 Put the rechargeable battery in the battery and make sure the red end chamber with literal side upward and the connected to red wired and black end wire to the right side connected to black wire 7 Install the battery cover and tighten 8 Install the stainless weighin...

Page 26: ...Module out of the scale RS 232 board 5 Remove the old RS 232 board and 6 Install the wire connection refer to 2 2 install a new one 7 Put the load cell supporter module back cover upper housing and tighten with the fixing screws then put the scale pan properly 8 Proper setting is required i e Baut rate external device and print mode 9 Wire connection between the external devices please refer to 3 ...

Page 27: ...er the removal of residual glue off the keypad attach the new keypad 7 Please insert the keypad 8 Put the upper housing on the scale and test the keypad refer to 4 6 9 Put the scale upside down and 10 Install the stainless steel weighing tighten the 4 fixing screws pan properly 6 6 LCD replacement 1 Cut off the defective LCD 2 Remove the LCD which is been cut off from the main board ...

Page 28: ...rvice Manual www cantudong com 3 Remove the residual tin from main 4 Install a new LCD in level board 5 Use tin to weld the LCD with care 6 Replacement is completed 8 Applicable machine version and software version Version 02 Revision date July 18 2013 ...

Reviews: