PN-K321/K322B IMPORTANT INFORMATION FOR SERVICING THE DISPLAY 3-2
1-2. I/F PWB REPLACEMENT PROCEDURES
1) Read the following information from the monitor before replacement of the I/F PWB.
・USAGE TIME
・WHITE BALANCE VALUE
・GAMMA SETTING VALUE
(MEMO)
・
If the machine does not operate before replacement and reading cannot be made, this procedure is not required.
・Backup the user settings as needed.
2) Replace the I/F PWB and execute FACTORY RESET.
→Refer to “3. FACTORY RESET”
3) Each service part has the firmware written in it. If necessary, the firmware should be updated to the latest.
→ Refer to “5-1. MAIN FIRMWARE UPDATE PROCEDURE (RS-232C)”
4) Set the MODEL TYPE depending on the destination. The default destination of service parts is “JP.”
→ Refer to “1-2. SERVICE MENU 2”
5) Set the MODEL NAME depending on the destination.
→ Refer to “5-1.MODEL NAME SETTING FUNCTION”
→ Refer to "13. MODEL NAME SETTING PROCEDURES”
6) Write the information read in the above step 1).
When the reading cannot be executed, perform the following operation.
--- Set “0” to USAGE TIME and perform initialization.
--- Reset the WHITE BALANCE set values.
--- Reset the GAMMA set value.
--- Restore the setter settings backed up in procedure 1) as needed.
7) Write the serial number.
→ Refer to “5-2. SERIAL NUMBER SETTING FUNCTION”
→ Refer to “11. SERIAL NUMBER WRITING PROCEDURES”
8) Reset system log information.
→ Refer to “5-4 SYSTEM LOG AND TEMPERATURE LOG INITIALIZATION”
→ Refer to “14-8. OTHER FUNCTIONS”
1-3. LCD MODULE REPLACEMENT PROCEDURES
1) Set “0” to USAGE TIME and perform initialization.
2) Reset the WHITE BALANCE set values.
3) Reset the GAMMA set value.
4) Reset the system log and the temperature log information.
→ Refer to “5-4 SYSTEM LOG AND TEMPERATURE LOG INITIALIZATION”
→ Refer to “14-8. OTHER FUNCTIONS”
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