-9-
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
Range
Description
1
RFAGC
13
00~63 RF AGC adjustment
2
H-PHA
12
00~31 H-PHASE adjustment(50Hz)
3
V-DC
28
00~63 V-POSITION adjustment(50Hz)
4
V-SIZ
79
00~127 V-SIZE adjustment(50Hz)
5
V-SCO
18
00~31 Vertical-S compensation(50Hz)
6
V-LIN
15
00~31 Vertical linearity adjustment(50Hz)
7
H-P60
+3
-16~+15 Difference value of H-PHASE adjustment(60Hz)
8
V-P60
0
-32~+31 Difference value of V-POSITION adjustment(60Hz)
9
V-S60
0
-64~+63 Difference value of V-SIZE adjustment(60Hz)
10
VSC60
0
-16~+15 Difference value of Vertical-"S" compensation(60Hz)
11
VLI60
0
-16~+15 Difference value of Vertical linearity adjustment(60Hz)
12
OSDHP
37
01~255 OSD horizontal remark position
13
OSDC
04
00~07 OSD Contrast
14
V-SCP
03
0~7
V-SIZE COMP
15
SBIAS
31
00~127 Sub Bias adjustment
16
RBIAS
00
00~255 Red Bias adjustment
17
GBIAS
00
00~255 Green Bias adjustment
18
BBIAS
00
00~255 Blue Bias adjustment
19
RDRIV
64
00~127 Red Drive adjustment
20
GDRIV
08
00~15 Green Drive adjustment
21
BDRIV
64
00~127 Blue Drive adjustment
22
White balance (a lateral line)
23
DRV
Bright and Dark of White balance adjustment
24
B-YD
11
00~15 B-Y DC Level
25
R-YD
11
00~15 R-Y DC Level
26
B-YDN
0
-16~+15 Difference value of NTSC B-Y DC Level
27
R-YDN
0
-16~+15 Difference value of NTSC
R-Y DC Level
28
G-YA
00
00~01 G-Y Angle
29
RBGB
10
00~15 R-Y/ B-Y Gain Balance
30
RBAG
08
00~15 R-Y/ B-Y Angle
31
G-YAN
00
00~01 NTSC G-Y Angle
32
RBGBN
-8
-8
~
+7
Difference value of NTSC R-Y/ B-Y Gain Balance
33
RBAGN
+4
-8
~
+7
Difference value of NTSC R-Y/ B-Y Angle
34
COGV
03
00~03 Coring Gain
35
BLKS
00
00~03 Blk.str.start(W/Defeat)