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21 JCL Service Manual - www.cantudong,com
5. Turn the main board upside down with 6. Dismount every connector from the board.
care.
7. Prepare a new main board. 8. First solder 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
“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.
2. Refer to 4-1(model setting), 4-4(Function setting) 4-6(Division setting), to do the proper
settings.
3. To conduct calibration (refer to section 4-2,4-3)