[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 80-15 Horizontal centre adjustment
02 v-P 40-7 Vertical centre adjustment
03 v-s 80 0-127 Vertical size adjustment
04 OSD 10-15 OSD position adjustment
05 AGC 64 0-127 RF AGC adjustment
06 Vco 128 0-255 VCO (AFT) adjustment
07 SIF o0-3 SIF VCO adjustment
08 SELF o0-15 SELF-adjusting
09 DLT 20-3 DL-time adjustment
10 DLF o0, 1DL-fine adjustment
11 B-ST o0, 1Black stretch on/off setting
12 ABCL 10, 1ABCL adjustment
13 AB-G o0, 1ABCL gain adjustment
14 TRAP 30-3 Trap frequency adjustment
15 WBK o0, 1White back setting
16 BBK o0, 1Blue back setting
17 AFCG 20-2 AFC gain adjustment
18 RBI o0-255 Red bias adjustment
19 GBI o0-255 Green bias adjustment
20 BBI o0-255 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-
