FujiFilm CR-IR341 Service Manual page 670

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C
ONTENTS
(6) Check the PMT08A board.
" Checks"
NOTE
After replacement of the PMT08A board, be sure to check the PMT08A board.
(7) Place the high-voltage switch (S1) of the SCN08A board in its ON position.
(8) Reinstall all the covers.
(9) Power ON the machine.
(10) Check image performance.
"3.2 Checking Image" in Preventive Maintenance Volume
Check on Short Pin (TN1)
Function of short pin (TN1)
It sets connection of a command value to the high-voltage power supply.
By shorting 1-2 of TN1, an upstream command value is connected to GND.
Short pin setting
Make sure that the short pin (TN1) is set as follows.
CN1
TN1: 1-2 shorted
SUPPLEMENTARY NOTE
For TN1, the following steps may be taken to check its condition.
(1) Start the M-Utility.
(2) Select "5. SCANNER UTILITY", "10. VIRTUAL IMAGE", and "2. LOG AMP" in sequence.
The virtual image output is set.
(3) Return to the Routine Mode.
(4) Read an erased IP (of any size), using the sensitivity of the test.
(5) Start the M-Utility.
(6) Select "1. ERROR LOG Utility", "1. LIST", "1. ALL", and "3. BOTH" in sequence.
The error log is displayed.
(7) Check if TN1 is normal.
• HV voltage error occurred: TN1 abnormal
• HV voltage error did not occurred: TN1 normal
009-051-06 009-051-04
04.20.2001 FM3006 05.31.99 FM2460
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TN1
3
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Light-collecting guide
CR-IR341 Service Manual
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PMT08A board
assembly
FR1H1913.EPS
MC - 179
MC - 179