Sharp PN-L803C Service Manual page 64

CHAPTER 3. IMPORTANT INFORMATION FOR SERVICING THE DISPLAY
1. MAIN PWB, LCD MODULE UNIT, T-CON PWB, TOUCH PANEL UNIT REPLACEMENT
PROCEDURES
The following information as well as user setting information are saved to the EEPROM (IC1701) controlled by main firmware and
EEPROM(IC2000) controlled by sub micon firmware.
<INFORMATION STORED IN THE EEPROM'S (IC1701) CONTROLLED BY THE MAIN FIRMWARE.>
・MODEL NAME
・SERIAL NUMBER
・USAGE TIME
*1
・WHITE BALANCE SETTING VALUE
・GAMMA SETTING VALUE
・CALIBRATION SETTING VALUE
・SYSTEM LOG
*1 This information is linked with the LCD module.
<INFORMATION STORED IN THE EEPROM (IC2000) CONTROLLED BY THE LAN MICROCONTROLLER
FIRMWARE.>
MAC ADDRESS
Therefore, when Main PWB and the LCD Module Unit are replaced, initialization and setting must be performed according to necessity.
Then, after finishing the replacement, perform "ALL RESET".
1-1. INFORMATION ITEMS
MODEL NAME
SERIAL NUMBER
USAGE TIME
WHITE BALANCE
SETTING VALUE
GAMMA
SETTING VALUE
CALIBRATION
SETTING VALUE
SYSTEM LOG
INFORMATION
MAC ADDRESS
PN-L803C/80TC3 IMPORTANT INFORMATION FOR SERVICING THE DISPLAY 3-1
*1
The machine has model name which is described on the nameplate at the back of the machine.
The machine has its own serial number which is described on the nameplate at the back of the machine.
→Refer to "6-3.SERIAL NUMBER SETTING FUNCTION"
→Refer to "12.SERIAL NUMBER WRITING PROCEDURES
This information is linked with the LCD module unit. When replacing the Main PWB, read the information
before replacement, and write it to the new Main PWB after replacement. It is necessary to initialize this
setting when the LCD module unit is replaced.
→Refer to "6-4. USAGE TIME SETTING FUNCTION
→Refer to "9. USAGE TIME SETTING PROCEDURE"
This information is linked with the LCD module unit. When replacing the Main PWB, read the information
before replacement, and write it to the new Main PWB after replacement. Execute resetting when the LCD
module unit is replaced.
→Refer to "14. WHITE BALANCE SETTING PROCEDURE BY OSD"
This value is linked with the LCD module unit. When replacing the Main PWB, read this value before
replacement and write it into the Main PWB after replacement. When replacing the LCD module unit, reset
this value.
→Refer to "16. GAMMA SETTING PROCEDURESWITH THE OSD"
Since a service part Main PWB has been adjusted, there is no need to set when replacing the Main PWB.
Setting may be required depending on the replaced part.
→Refer to "3. CALIBRATION"
This information is included in user operation and system information.
→Refer to " 12.OPERATING MANUAL OF THE LOG TOOL"
The MAC address is the unique ID number assigned to the Main PWB for LAN communication.
The unique ID number is written into the Main PWB (service part).