Sharp LC-32HT2U Service Manual page 22

LC-32HT2U
2.6. Key writing
1. EDID writing (Main PWB: DUNTKD640FM13 DVI input terminal/HDMI input terminal)
Adjustment item
1 DVI EDID writing File version check
2 HDMI EDID writ- Inspection mode
ing File version check
Adjustment conditions
5 – 8
Adjustment procedure
1) Write the EDID data for DVI into IC1505 mounted on the
main PWB with the checker.
TL1514: I2C clock, TL1515: I2C data
TL1516: 5V, TL1517: GND
TL1536: write protection (H: WP, Low: write enable)
1) Write the EDID data for HDMI into IC1501/IC1502
mounted on the main PWB with the checker.
TL1508/1510: I2C clock, TL1509/1511: I2C data
TL1512/1513: 5V, TL1519/1518: GND
TL1534/1535: write protection (H: WP, Low: write
enable)
2) Perform data writing before the checker inspects HDMI.
(If no data has been written, HDMI does not function.)