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C. Variable Resistors, LEDs, Test Pins, Jumpers and Switches on PCBs
Only the variable resistors, LEDs, test pins, jumpers, and switches required for after-sales ser-
vice in the field are listed below.
All other variable resistors, test pins, etc. are for the factory use only. The adjustment and
check using these test pins, etc. require special tools, measuring instruments and high preci-
sion. Do not touch them in the field.
Notes: 1. Some LEDs receive leakage current during normal operation, thus glow dimly even
when they should be OFF.
2. Variable resistor which may be adjusted in the field are marked .........
Variable resistor which may not be adjusted in the field are marked ...
1. DC controller PCB
Figure 4-7-3
4 - 30
CHAPTER 4
J212
LED201
J206 J207
J208
J229
J217
J203
J225 J205
J202
J210
J220
J201
J223
J215
J218
J221
J216
J209 J214 J213 J222
J219
SW201
J204