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B.
ELECTRICAL
1.
List of PCBs/VRs/LEDs/Check Pins
Variable resistors, LEDs and check pins which are used for adjustments in the field are listed
below.
VRs and check pins not listed here are used only for factory adjustments, which require special
tools and measuring instruments, as well great care and precision. Do not attempt to adjust such
parts.
Notes:
1. Leakage current may flow through some LEDs and cause them to glow dimly even though
they are supposed to be OFF.
2. VRs which can be adjusted in the field ................
VRs which should not be adjusted in the field .....
a.
DC Controller PCB
VR No
VR301
SW No
SW300
CHAPTER 2 STANDARDS AND ADJUSTMENT
2
1
10
1
13
J309
J311
J312
2
1
3
1
J308
J310
J318
J300
6
1
1
Figure 2-22
Adjusting AE refence point
Table 2-2
Press to enter or leave the SERVICE mode.
Table 2-3
.
.
1
5
1
5
1
J313
J314
J352
3
1
8
Purpose
Purpose
2-15
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Troubleshooting
