Hitachi 50VF820 Service Manual page 73

AD9880 (1/2)
Adjustment Adjustment Item
Mode OSD
AD9880 A/D Converter, 480p/1080i/720p
001 Pr channel gain Adjust
002 Y Channel Gain Adjust
003 Pb Channel Gain Adjust
004 Pr offset MSB
005 Pr Offset
006 Y Offset MSB
007 Y Offset
008 Pb Offset MSB
009 Pb Offset
010 Clamp Placement
011
012
013 Clamp Duration
014
015
BACK TO ADJUSTMENTS
Initial Data(HEX)
Adjustment
Range(HEX) LC58E LC58 LC57
L C 5 8
00~7F 58
← ← ←
00~7FF 58 ← ← ←
00~7F 58
← ← ←
00~FF 40 ← ← ←
00~FF 00 ← ← ←
00~FF 08 ← ← ←
00~FF 00 ← ← ←
00~FF 40
← ← ←
00~FF 00 ← ← ←
480p 00~FF 06
← ← ←
1080i 00~FF 45 ← ← ←
720p 00~FF 45 ← ← ←
480p 00~FF 22 ← ← ←
1080i 00~FF 2A ← ← ←
720p 00~FF 74
← ← ←
CXA2211 (1/2)
Adjustment
Mode OSD
CXA2211 Sync Processor
001 Horizontal Number High Bit
002 Vertical Number High Bit
003 AFC loop gain control
00h = H free-running mode
004 01h = gain low
02h = gain middle
03h = gain high
005
006
007 Phase control (Control for rough-tune)
for HOUT
00h = H sync center,
008
01h = center -3. 125%,
02h = center -6. 25%,
009
03h = center -9. 375%
04h~06h = Leading edge same phase
010
as HSSOUT
07h = Outputs the same phase
as HSSOUT
011 Phase control (Control for fine-tune)
for HOUT
012 This is valid when HSHIFT = 0~3.
1 step: 0. 024%, Total control range: 6%
013
014
015 Sets the sync separation method.
This is valid when AUTO = 1
00h = Forcibly sliced at the sync tip
016
+ 78mV level.
01h = Level detection mode
017
018
73
Adjustment Item Adjustment
Range(HEX) LC58E LC58
000~3FF *
000~7FF *
480i 00~03 02
480p 00~03 02
1080i 00~03 02
720p 00~03 02
480i 00~07 07
480p 00~07 07
1080i 00~07 07
720p 00~07 07
480i 00~FF 10
480p 00~FF 10
1080i 00~FF 10
720p 00~FF 10
480i 00~01 01
480p 00~01 01
1080i 00~01 01
720p 00~01 01
LC58/LC58E
Initial Data(HEX)
LC57
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←
← ← ←