LC-37D44U
5 – 16
9.2. Key writing
EDID writing (Main PWB: QPWBXE450WJZZ, analog RGB input terminal / HDMI input terminal)
Adjustment item Adjustment conditions Adjustment procedure
1 Analog RGB
EDID writing
File version checking 1) Using the checker, write the EDID data for Analog RGB
to IC2202 that is mounted on the main PWB.
TL2293: I2C clock, TL2295: I2C data
TL2296: 5V, TL2294: GND
TL2297: VCLK (Write: H, Read: V pulse)
2) In the analog RGB inspection, use a DDC-compatible
device. If the EDID has not been written, the analog
RGB input does not function normally.
2 HDMI EDID writ-
ing
Inspection mode
File version checking
1) Using the checker, write the HDMI EDID data to IC1601
and IC1603 that are mounted on the main PWB.
TL1606/1613: I2C clock, TL1604/1614: I2C data
TL1611/1615: 5V, TL1604/1607: GND
TL1616/1618: Write protection (H: Write, L: Write
enable)
2) Write the data before the HDMI inspection with the
checker.
In the HDMI inspection, use a DDC-compatible device. If
the EDID has not been written, the HDMI does not func-
tion normally.
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