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Service Adjustments
On-screen Service Menu
Following table shows the initial values which have been stored in the CPU ROM, and items for the service adjustments.
When IC802 (EEPROM) is replaced, check the bus data to confirm they are the same as below. The shaded menu should be checked
and be set up or readjusted according to the procedures described in the following pages.
Initial Setup Data marked with an * should be changed from Initial Value Data.
No.
Item
Initial value
01
RFAGC
02
H-PHA
03
V-POS
04
V-SIZ
05
V-SCO
06
VLIN
07
H-P60
08
V-P60
09
V-S60
10
VSC60
11
VLI60
12
OSDHP
13
OSDC
14
V-SCP
15
SBIAS
16
RBIAS
17
GBIAS
18
BBIAS
19
RDRIV
20
GDRIV
21
BDRIV
22
- -
23
DRV
24
B-YD
25
R-YD
26
B-YND
27
R-YND
28
G-YA
29
RBGB
30
RBAG
31
G-YAN
32
RBGBN
33
RBABN
34
COGV
35
BLK
36
BLKG
37
BRTA
38
BRST
39
BRTH
40
WPL
41
YGAM
42
PORW
43
PORS
44
RFCO
45
PORWN
46
PORSN
47
TINT
48
SHRF
49
TEXC
50
AUFL
Range
06→10*
00~63
08
00~31
32
00~63
54
00~127
17→11*
00~31
15→16*
00~31
+4
-16~+15
0
-32~+31
+1
-64~+63
0
-16~+15
+1→0*
-16~+15
30
01~255
50
00~127
07
00~07
70
00~127
00
00~255
00
00~255
00
00~255
63→64*
00~127
07→08*
00~15
63→64*
00~127
- -
- -
- -
- -
10→08*
00~15
10→08*
00~15
0
-16~+15
0
-16~+15
00
00,01
08
00~15
08
00~15
00
00,01
0
-8~+7
0
-8~+7
01
00~03
03
00~03
03
00~03
00
00, 01
00
00, 01
00
00~07
00
00~03
00
00~03
00
00, 01
02
00~03
0
00~03
01
00, 01
03
00~03
0
-16~+15
0
-16~+15
08
00~127
00
00, 01
Description
RF AGC adjustment
H-PHASE adjustment (50Hz)
Vertical position adjustment (50Hz)
Vertical size adjustment (50Hz)
Vertical-S compensation (50Hz)
Vertical linearity adjustment (50Hz)
Difference value of H-PHASE adjustment (60Hz)
Difference value of V-POSITION adjustment (60Hz)
Difference value of V-SIZE adjustment (60Hz)
Difference value of Vertical-S compensation (60Hz)
Difference value of Vertical linearity adjustment (60Hz)
OSD horizontal remark position
OSD contrast
V-SIZE COMP (50Hz)
Sub Bias adjustment
Red Bias adjustment
Green Bias adjustment
Blue Bias adjustment
Red Drive adjustment
Green Drive adjustment
Blue Drive adjustment
White balance (a lateral line)
Brightness and dark of White balance adjustment
B-Y DC Level
R-Y DC Level
Difference value of NTSC B-Y DC Level
Difference value of NTSC R-Y DC Level
G-Y Angle
R-Y/B-Y Gain Balance
R-Y/B-Y Angle
Difference value of NTSC G-Y Angle
Difference value of NTSC R-Y/B-Y Gain Balance
Difference value of NTSC R-Y/B-Y Angle
Coring gain
BLK. STR. Start (W/Defeat)
BLK. STR. Gain
BRT. ABL Defeat
Mid. Stp. Defeat
Bright. ABL. Threshold
WPL Ope. Point (W/Defeat)
Y Gamma Start
AV Mode Pre/Over SW
AV Mode Pre/Over-shoot adjustment
Difference Value of RF Corring Gain
RF Pre/Over SW
RF Pre/Over-shoot adjustment
Tint
Difference Value of RF Sharpness
OSD Text Contrast
Auto. Fresh
-9-
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