LC-52/60/70LE640U/C6400U,LC-80LE633U/844U (1st Edition)
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10. Key writing
10.1. EDID writing (Main PWB: QPWBXF953WJZZ)
10.2. MAC key writing (MAIN PWB: QPWBXF953WJZZ)
1. Write the MAC key data on IC3103 (IC3104) mounted on the main PWB.
2. Carry out thorough data management to avoid redundant writing of data.
If the IC where data is written is damaged, replace the PWB since only the IC cannot be changed.
10.3. NETFLIX/WMDRM key writing (MAIN PWB: QPWBXF953WJZZ)
1. Write the NETFLIX/WMDRM key data on IC3103 mounted on the main PWB.
2. Carry out thorough data management to avoid redundant writing of data.
If the IC where data is written is damaged, replace the PWB since only the IC cannot be changed.
11. Factory setting
After completing the factory setting, pull out the AC cord to complete the setting.
CAUTION: Do not turn on the power after completing the factory setting. If the power is turned on, configure the factory setting again.
12. Software version
1. Main microprocessor
2. Monitor microprocessor
3. LCD Controller
Adjustment point Adjustment conditions Adjustment procedure
HDMI EDID writing
Analog RGB EDID writing
(Main PWB)
Process mode
Model discrimination check
1) Enter the process mode.
2) Point the cursor to [HDMI EDID WRITE] and press the [ENT] key.
The writing is complete when [OK] is displayed.
(If not written, HDMI and Analog RGB does not function.)
CAUTION: Perform the data writing after setting the model discrimination.
The data based on the model discrimination information is
recorded in EEPROM.
Adjustment point Adjustment conditions Adjustment procedure
1 Factory setting Complete the setting by
pulling out the AC cord.
• Point the cursor to [INDUSTRY INIT (+Cause)], set to “ON” using [+]/[-] of the [VOL]
key, and press the [ENT] key.
The version confirmation screen appears on the green screen. It is completed when
[SUCCESS] is displayed at the top.
(If error occurs, [ERROR] is displayed on the red screen.)
• Turn off the AC power.
The following items are initialized when configuring the factory setting.
1) User set value
2) Channel data (broadcasting frequency, etc.)
3) Password setting value
4) Operating time
5) Standby Cause
6) Auto installation flag
7) V-CHIP block setting value
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