Sharp LC-52D43U - 52" LCD TV Service Manual page 21

Adjustment item Adjustment conditions
Point 2
LEV20038
(WBI20352)
MG2G****
MG2B****
MG2R****
Point 1
LEV10044
(WBI10176)
MG1G****
MG1B****
MG1R****
Writing
MSET0003
2.2. Key writing
1. EDID writing (Main PWB: QPWBXD862WJN2, analog RGB input terminal / HDMI input terminal)
Adjustment item
1 Analog RGB EDID
writing
2 HDMI EDID writing
Note
Adjustment conditions
File version checking
Inspection mode
File version checking
Adjustment procedure
Set conditions for inspection
AV MODE: [DYNAMIC] (Reset)
Monochrome: ON
Black: OFF
Color Temp: High
Back Light: +16
Aging Time: Min. 60 minutes
Adjustment procedure
1) Using the checker, write the EDID data for HDMI to IC1505 that is
mounted on the main PWB.
TL1514: I2C clock, TL1515: I2C data
TL1516: 5V, TL1517: GND
TL1502: 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.
1) Using the checker, write the analog HDMI EDID data to IC1501 and
IC1502 that are mounted on the main PWB.
TL1508/1510: I2C clock, TL1509/1511: I2C data
TL1512/1513: 5V, TL1519/1518: GND
TL1534/1535: 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 function normally.
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LC-52D43U