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Service Adjustments with Replacing Memory IC(IC802)
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
AFC gain adjustment Item 17, AFCG
Grey scale adjustment
Item 23-24, DRV
Further adjustment please refer to page 11 and 12.
No.
Item
Initial value
Range
Description
01
H-P
08
00~15
Horizontal centre adjustment
02
V-P
04
00~07
Vertical centre adjustment
03
V-S
64
00~127
Vertical size adjustment
04
OSD
20
01~63
OSD position adjustment
05
AGC
64
00~127
RF AGC adjustment
06
VCO
128
00~255
VCO (AFT) adjustment
07
SIF
00
00
SIF VCO adjustment
08
SELF
00
00~15
SELF-adjusting
09
DLT
02
00~03
DL-time adjustment
10
DL F
00
00, 01
DL-fine adjustment
11
B-ST
00
00, 01
Black stretch on/off setting
12
ABCL
01
00, 01
ABCL adjustment
13
AB-G
00
00, 01
ABCL gain adjustment
14
TRAP
03
00~03
Trap frequency adjustment
15
WBK
00
00, 01
White back setting
16
BBK
00
00, 01
Blue back setting
17
AFCG
02
00~02
AFC gain adjustment
18
RBI
00
00~255
Red bias adjustment
19
GBI
00
00~255
Green bias adjustment
20
BBI
00
00~255
Blue bias adjustment
21
RD
64
00~127
Red drive adjustment
22
BD
64
00~127
Blue drive adjustment
23
DRV
--
--
White balance adjustment
24
--
--
--
Y-cut setting
25
OPT1
--
--
Option
26
OPT2
--
--
Option
27
CCD
20
01~255
Closed Caption position adjustment
Service mode adjustments table in CPU ROM
Grey scale adjustment
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 below.
[2] Service Adjustments-1
Following table shows the initial values which have been stored in the CPU ROM, and items for the service
adjustments.
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