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EST PROCEDURE:
1. Locate Connector JP1. See gure F5.
2. Check pin 5 to pin 11 for -5Vdc.
3. Check pin 7 to pin 11 for +15Vdc.
4. Check pin 9 to pin 11 for +5Vdc.
Check Capacitors
F
or Shorts
F1 Fuse
F
2 0 Ohms
S
tart Resistor
2
0 Ohms
D11 Rectier
115VDC
+
AC
-
AC
AC
AC
AC
-
+
D20 Rectier
16VDC
INPUT PCB BACKSIDE
P
IN 15
C
ONNECTOR JP1
P
IN 2
PIN 1
PIN 16
INPUT BOARD TEST V160-S/T
(continued)
TEST PROCEDURE (NEW MODELS)
1. Locate connector JP1. See Figure F.6A.
See Figure F.7. See Figure F.8.
2. Check pin 5 to pin 11 for -5vdc.
3. Check pin 7 to pin 11 for 15vdc.
4. Check pin 9 to pin 11 for +5vdc.
TROUBLESHOOTING & REPAIR
F-16 F-16
V160-S & -T
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FIGURE F.6A – INPUT BOARD