User Guide

Page 12
(8). Trouble shooting (cont’d.)
Switch spacer for MEM WRITE
button is missing.
Put the Button spacer at the specific
location.
Incapable of saving data.
Defect of circuit component Check above points first. If there is no
problem, replace the PCB, and do
re-adjustment.
Switch spacer for backlight is
missing.
Put the button spacer at the specific
location.
Poor contact of backlight
Soldered point at backlight should be
checked.
Backlight doesn’t light up.
Defect of circuit component Check above points first. If there is no
problem, replace the PCB, and do
re-adjustment.
(9). List of Spare parts
No. Description Parts No. Qty. Note
10 4200 Finished jaw 142000100A 1
4 4200 Finished PCB 142000200A 1
1 Nameplate 4200 9000012900 1
2 Panel 4200 9000012947 1
6 4200 Finished Case 142000401A 1
9 4200 Finished Battery cover 142000402A 1
3 TAP +N2.3 x 8 (P-TITE) 9000009425 3
7 P-TITE +N 3x 14 (black) 9000010949 5
8 Battery SUM-3 9000001934 4
5 Snap band 2412 9000006138 1
Others
Finished Hard case 1912800000 1
8304 083040000A 1
Instruction manual 4200 (English) 9000013434 1
Form number TM61920 Rev 4 July 2008