Valleylab Force FX-C - Page 147

Force FXTM-C Service Manual
rrtJf'ttnn LON ASIC Malfunctions
5. Install the Control board.
3. Position the Control board over the Pm'\'er Supply /RF board with
the components facing the rear panel. Fit the edges of the board
into the slots on the heat sinks. Slide the board down, carefully
fitting the edge connector into the matching connector on the'
PmNer Supply /RF board.
b. Connect the display board ribbon cable to the Control board and
lock the connector.
6. Turn on the generator. If the generator successfully completes the self-
test,
install the cover (refer to step 11).
7. if the alarm number reappears, replace programmable IC U9.
3. Turn off the generator.
b. Remove the Control board (refer to step 3).
c. Grip IC U9 with the chip extractor ,md lift it out of its socket.
d. Align the notch on the new chip above the notch on the socket and
gently press the chip into the socket.
e. Install the Control board (refer to step 5).
8. Turn on the generator. If the generator successfully completes the seH-
test, install the cover (refer to step 11).
9. If the alarm number reappears, replace the Control board.
3. Turn off the generator.
b. Remove the Control board (refer to step 3).
c. Install the new Control board (refer to step 5).
10. Calibrate the generator. Refer to Sl..'ction 5 for instructions. If the alarm
number reappears, record the number and call the Valleylab Service
Center.
11. To install the cover, position the cover above the chassis and slide it
down. Install the five screws that secure the cover to the chassis.
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