Sharp LC46D43U Service Manual - Page 21

Key writing

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Adjustment item Adjustment conditions MG3B**** MG3R**** Point 2 LEV20064 (WBI20256) MG2G**** MG2B**** MG2R**** Point 1 LEV10048 (WBI10192) MG1G**** MG1B**** MG1R**** Writing MSET0003 Point 1 216 Note Adjustment procedure X=0.272 ±0.0110 y=0.277 Set conditions for inspection AV MODE: [DYNAMIC] (Reset) Monochrome: ON Black: OFF Color Temp: High Back Light: +16 Aging Time: Min. 60 minutes LC-42D43U ±0.0200 2.2. Key writing 1. EDID writing (Main PWB: QPWBXD862WJN2, analog RGB input terminal / HDMI input terminal) Adjustment item Adjustment conditions 1 Analog RGB File version checking EDID writing 2 HDMI EDID writ- Inspection mode ing File version checking 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. 3 - 2

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LC-42D43U
3 – 2
2.2. Key writing
1.
EDID writing (Main PWB: QPWBXD862WJN2, analog RGB input terminal / HDMI input terminal)
MG3B****
Point 1
216
X=0.272
±
0.0110
±
0.0200
MG3R****
y=0.277
Point 2
LEV20064
(WBI20256)
MG2G****
MG2B****
MG2R****
Note
Set conditions for inspection
AV MODE: [DYNAMIC] (Reset)
Monochrome: ON
Black: OFF
Color Temp: High
Back Light: +16
Aging Time: Min. 60 minutes
Point 1
LEV10048
(WBI10192)
MG1G****
MG1B****
MG1R****
Writing
MSET0003
Adjustment item
Adjustment conditions
Adjustment procedure
1
Analog RGB
EDID writing
File version checking
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.
2
HDMI EDID writ-
ing
Inspection mode
File version checking
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 func-
tion normally.
Adjustment item
Adjustment conditions
Adjustment procedure