Full Product Manual
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 










