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JADEVER SCALE CO., LTD

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.

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.

27 JCL Service Manual

Содержание JCL Series

Страница 1: ...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 5 Trouble Shootings 5 1 Primary checks 5 2 Problems and solutions 5 3 Error message 6 Parts Replacement 6 1 Main board replacement 6 2 Loadcell replacement 6 3 Rechargeable battery replacement 6 4 RS 232 replacement 6 5 Key...

Страница 2: ...m Switch 6 Xm Two stage switch 7 Xm JCL main board 8 Xm Bottom cover 9 Xm Lower support Quantity 1 1 1 1 1 1 1 1 1 Part No JCL 1 JCL 2 JCL 3 JPL 4 JCL 5 JPL 6 JCL 7 JCL 8 JCL 9 Material No 20 1925 0000 21 0506 0000 02 0108 0003xm 14mm 61 0003 0400 60 0000 0000xm 60 0503 0001xm 80 0124 0000 02 0000 6020 10 0425 0100 1 JCL Service Manual ...

Страница 3: ...ell 40k 14 Xm Rechargeable battery 15 Xm Battery cover 16 Xm Rear display 17 Xm Upper support 18 Xm Upper cover 19 Xm Rear panel 20 Xm Plastic weighing pan 21 Xm Stainless Steel weighing pan 2 Electronic Structure 2 1 System block 1 1 1 1 1 1 1 1 1 1 1 1 JCL 13 JCL 13 JCL 13 JCL 13 JCL 14 JCL 15 JPL 16 JCL 17 JCL 18 JCL 19 JCL 20 JCL 21 51 0410 0000 51 0410 0010 51 0410 0020 51 0410 0040 61 0201 0...

Страница 4: ...2 2 PCB board wiring JADEVER SCALE CO LTD 3 JCL Service Manual ...

Страница 5: ...C1 SCLK 11 5530 SCLK CP18R31R30R2 9 0 1u G 5VD 17 P3 5 T1 P2 5 29 22k C R25 5VD CP16 0 1u G R52 R27 220Ω C 20p 20p 5VD C36 U11 C35 470u 5 VOUT CAP 4 A733 R5 4 560R C 6LVGND 3 7DSCCAP 2 220u EL 24C02A U8 CW 1 2 CN6 Y1 C20 11 059MHzC21 3 Q8 CN7 1 2 330k C R53 20k C Q11 2SC1815 5VD 8V 76 60 NC 1 20p R28 1M C 20p TP1 TP2 TP3 CAL EH BUZZER CN2 1 AVS5 FUSE 5VD BZ D8 1N4148 U5 4 2 C11 2 Q1 3 R7 D313 2 1w...

Страница 6: ...18 P 3 7 not R D 19 XT AL 20 XT AL 21 GND 22 P4 0 23 P2 0 24 P2 1 25 P2 2 26 P2 3 27 P2 4 28 P0 3 40 P0 2 41 P0 1 42 P0 0 43 VC C 44 SC L K AD S DI AD S D O AD C S 4 7k C A0 1 A1 2 A2 3 GN D 4 SD A 5 SC L 6 WP 7 VC C 8 4 7k C 4 7k C 4 7k C P2 P2 0 1 2 LE D KO UT 1 KO UT 2 KO UT 3 KO UT 4 1 2 10 K C 10 K C 10 K C 1 2 1 Vs s 3 1 2 1 GN D 2 2 1 47 0u 25v E L 2 1 2 1 P3 1 3 2 1 ...

Страница 7: ...JADEVER SCALE CO LTD 3 RS 232 communication 3 1 RS 232 connector 3 2 RS 232 Circuit Diagram 5 JCL Service Manual ...

Страница 8: ... 9 pin male RS 232 Universal 25 pin male to 9 pin male RS232 connecting cable Corresponding settings refer to 4 4 Scale to PC connecting cable 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 hollow dots represent male connectors an...

Страница 9: ...connectors Picture 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 The quantity of weighing articles on the ...

Страница 10: ...TC Relay AP2 RS232 RTC Relay AP3 JADEVER SCALE CO LTD External Device TDP SH 24 TP Print out format AP4 RS232 RTC Relay ZEBRA Applicable to the quality control of the factory product quantity or weight and that of the total production line 8 JCL Service Manual ...

Страница 11: ...ht Tower EZ 2008 06 28 14 47 25 3 4 Two options PC G W 4 000kg U W 20 000g pcs Total 200pcs Scale to PC and light tower Wire connection Note The hollow dots represent the male connectors and the black dots are for female connectors Pictures 9 JCL Service Manual ...

Страница 12: ...t tower Wire connection Note The hollow dots represent the male connectors and the black dots are for female connectors 3 5 Time setting Pictures 1 The RTC function should be switch on before setting is allowed Refer to 4 4 2 When the scale is in weighing mode long press key MR for 2 3 second and three windows will display 2 Press key M to select the position to be altered and the position under a...

Страница 13: ...Bit 8 Parity N None Stop Bit 1 Code ASCII Bit Format LSB 0 1 2 3 4 5 6 Start Bit Data Format Kg MSB 7 8 Parity Stop Bit G N W weight k g CR LF U W Unit weight g p c s CR LF T o t a l pcs p c s CR LF Example G W 2 2352 kg U W 0 5352 g pcs Total 4176 pcs lb G N W weight l b CR LF U W Unit weight l b p c s CR LF T o t a l Example G W 2 2352 lb U W 0 5352 lb pcs Total 4pcs pcs p c s CR LF G GROSS N NE...

Страница 14: ...eric keys 3 Again press key SMPL to enter the zero point calibration modes 4 Wait till flashes press numeric key 1 to select calibration weight Options are 1 3 of full load 2 3 of full load and full load E g options for JCL 15K are 5 10 and 15 kg Put the corresponding weights on the weighing pan 5 Press key to confirm 6 The calibration procedure is completed with a remove all the weights flashing ...

Страница 15: ... following Steps 2 11 do not require to operate in order 2 Press numeric key 0 to shift backlight modes Options are On OFF and OnOFF Auto on with items greater than 9 divisions placed on the pan No backlight Backlight 3 Press numeric key 2 to set the level in which the stable indication turns on filtering The lower the setting the faster stabilization time 4 Press numeric key 3 to set the period o...

Страница 16: ...quantity checking values Previously set quantity checking values are not retained when the unit is turned on Previously set quantity checking values are retained when the unit is turned on 9 Press numeric key 9 to shift print modes Options are Prt Pr Prt Co and Prt St If Prt Co is chosen as the print mode PC will be automatically selected as the external devices If printer is selected as the exter...

Страница 17: ... 1g or 0 2g the available options might be different for different models 5 Press key SMPL press key ZERO to go back to weighing mode 4 7 Offset value display and key test 1 Turn on the power while pressing key ZERO 2 Again press key ZERO to check the offset value and start key testing 3 After key testing is done press key ZERO to exit 4 8 Unit switch operation 1 Press key SMPL while powering on t...

Страница 18: ...s the battery electricity capacity ok Is power cord connected both with the scale and with the outlet properly Is the weighing pan the right one Is there anything under the weighing pan Is the scale at a flat and steady base Are there any vibrating rotating and or reciprocating equipment around 16 JCL Service Manual ...

Страница 19: ...ansformer to see if the scale can be powered on Replacement is needed After confirming that there is no broken board line or short circuit of connection between LCD and other conducting objects please replace LCD 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 Replace the ON OFF switch Remove battery and power...

Страница 20: ...replace Q11 or Q8 does not work BUZZER defective or buzzer circuit fault Replacement is required Keypad dysfunction Memory dysfunction messy code occur in the print out copies Keypad or keypad circuit fault CPU CPU program effective Component 74LS139 defective Component 24C02 R29 R30 R31 or CP18 defective Wrong setting Check replace keypad or keypad circuit Check replace CPU Check replace componen...

Страница 21: ...omponent defective Please check replace R34 R35 R36 Q10 Bad connection Please repair the wire connection between between R34 and the two components LM2930 5 3 Error Message Error message Problems Initial zero point exceeds 30 take 30 as reference basis Higher or lower than A D resolution range Solutions 1 To check whether there are other alien articles on the scale pan remove those articles 2 LOAD...

Страница 22: ...lay range The quantity of weighed articles exceeds display range when the scale is under unit weight entering or sampling mode Low battery 6 Parts replacement Please switch off the scale before part replacement 6 1 Main board replacement No more accumulation Recharge the battery The scale can be used while it is recharging 1 Remove the weighing pan 2 Turn the scale upside down loosen and remove th...

Страница 23: ...load cell wire then install every connector to the new board refer to 6 2 8 Place the main board proper 9 Please insert the keypad then 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 21 JCL Service ...

Страница 24: ...the proper settings 3 To conduct calibration refer to section 4 2 4 3 6 2 Loadcell Replacement 1 Remove the upper housing refer 2 Loosen and remove the 4 fixing to 5 1 step 1 4 screws to remove the load cell support module 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 ...

Страница 25: ...e shown values C Use a file to grind the Scale grinding point corresponding to the lowest display value out of the four corners when grinding for the first time please test force by means of trial grinding with 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 i...

Страница 26: ... 40kg LC Max capacity MAVIN load cell 3kg 4 5kg 7 5Kg 10Kg 20Kg 45Kg 6 3 Rechargeable Battery Replacement 1 Remove the stainless weighing pan 2 Put the scale upside down Loosen and remove the screw on the battery cover 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 m...

Страница 27: ...ve the upper housing refer to 2 Loosen and remove the 4 fixing screws 5 1 step 1 4 to remove the load cell support module 3 Lift the whole load cell support 4 Loosen and remove the fixing screw on the 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 25 JCL Service Manual ...

Страница 28: ...een the external devices please refer to 3 6 5 Keypad Replacement 1 Remove the weighing pan 2 Put the scale upside down loosen and remove the 4 fixing screws 3 Open the upper cover 4 Remove the keypad from the main board 5 Remove the upper house and tear 6 After 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 tes...

Страница 29: ...ten 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 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 27 JCL Service Manual ...

Страница 30: ...JADEVER SCALE CO LTD 8 Applicable machine version and software version Version 02 Revision date September 22 2009 28 JCL Service Manual ...

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