Hi,
We are facing colour issue with ADV7181 chip. Thses are the following specifications
Input to ADV7181 :- STANAG 3350 Class C 525 lines @ 30 fps (based on NTSC RS-170A)
Output :- 12bit 444 RGB mode
Input display:-

Output Display:-

In our schematic, AIN 1, AIN 6 and AIN 4 are grounded. While we have connected AIN 3 for blue, AIN 5 for red and AIN 2 for green with sync (SOG).
Register set used :-
(0x21, 0x05, 0x02)
(0x21, 0x06, 0x00)
(0x21, 0xC3, 0x31)
(0x21, 0xC4, 0xC2)
(0x21, 0x3A, 0x10)
(0x21, 0x67, 0x00)
(0x21, 0x68, 0x00)
(0x21, 0x3C, 0x5A)
(0x21, 0x8A, 0x80)
(0x21, 0x77, 0x80)
(0x21, 0x78, 0x00)
(0x21, 0x79, 0x00)
(0x21, 0x7A, 0x00)
(0x21, 0x73, 0x00)
(0x21, 0x7B, 0x01)
(0x21, 0x6A, 0x10)
(0x21, 0x6B, 0xC4)
(0x21, 0xC9, 0x08)
(0x21, 0xDF, 0x00)
(0x21, 0xC0, 0x00)
(0x21, 0xC1, 0x00)
(0x21, 0xC2, 0x00)
(0x21, 0xF3, 0x0F)
(0x21, 0x85, 0x1B)
(0x21, 0x1D, 0x40)
(0x21, 0x6C, 0xC5)
(0x21, 0x6D, 0x5F)
(0x21, 0x6E, 0x57)
(0x21, 0x6F, 0xF5)
(0x21, 0x70, 0x3F)
(0x21, 0x87, 0x94)
(0x21, 0x88, 0x00)
(0x21, 0x7C, 0x60)
(0x21, 0x7E, 0x00)
Could you please let me know if any changes in register set is required to get the proper output?
Thanks,
With regards