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[2] Required Service Adjustments
Readjust the following service adjustments.
Adjustments
Service
Mode
No. & Item
Horizontal
centre adjustment
Item 01, H-P
Vertical centre adjustment
Item 02, V-P
Vertical size adjustment
Item 03, V-S
OSD position adjustment
Item 04, OSD
RF AGC adjustment
Item 05, AGC
AFT adjustment
Item 06, VCO
SIF adjustment
Item 07, SIF
Grey scale adjustment
Item 23-24, DRV
Further adjustment
please refer to "Service adjustment-1"
on page 13.
Following table shows the initial values which have been stored in the CPU ROM, and items for the service adjust-
ments.
Service
mode
adjustments
table
in CPU ROM
No.
Item
Initial value
Range
Description
01
H-P
8
0-15
Horizontal centre adjustment
02
v-P
4
0-7
Vertical centre adjustment
03
v-s
80
0-127
Vertical size adjustment
04
OSD
1
0-15
OSD position adjustment
05
AGC
64
0-127
RF AGC adjustment
06
Vco
128
0-255
VCO (AFT) adjustment
07
SIF
o
0-3
SIF VCO adjustment
08
SELF
o
0-15
SELF-adjusting
09
DLT
2
0-3
DL-time adjustment
10
DLF
o
0, 1
DL-fine adjustment
11
B-ST
o
0, 1
Black stretch on/off setting
12
ABCL
1
0, 1
ABCL adjustment
13
AB-G
o
0, 1
ABCL gain adjustment
14
TRAP
3
0-3
Trap frequency
adjustment
15
WBK
o
0, 1
White back setting
16
BBK
o
0, 1
Blue back setting
17
AFCG
2
0-2
AFC gain adjustment
18
RBI
o
0-255
Red bias adjustment
19
GBI
o
0-255
Green bias adjustment
20
BBI
o
0-255
Blue bias adjustment
21
RD
64
0-127
Red drive adjustment
22
BD
64
0-127
Blue drive adjustment
23
DRV
. .
--
White balance adjustment
+
Grey scale adjustment
24
--
--
--
Y-cut setting
-.
Notes:
+
The initial value that the CPU writes down the CPU ROM data to the memory when replaced the memory IC. TV set
may not operate correctly with this initial value. It is required to set up the fine adjustment
for service adjustments
described
in the above.
-1o-
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