Panoramic TVP-2905AS, Service Manual

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Service Adjustments
No. Item Initial value Range Description
01 RFAGC 06 → 10* 00~63 RF AGC adjustment
02 H-PHA 08 00~31 H-PHASE adjustment (50Hz)
03 V-POS 32 00~63 Vertical position adjustment (50Hz)
04 V-SIZ 54 00~127 Vertical size adjustment (50Hz)
05 V-SCO 17 → 11* 00~31 Vertical-S compensation (50Hz)
06 VLIN 15 → 16* 00~31 Vertical linearity adjustment (50Hz)
07 H-P60 +4 -16~+15 Difference value of H-PHASE adjustment (60Hz)
08 V-P60 0 -32~+31 Difference value of V-POSITION adjustment (60Hz)
09 V-S60 +1 -64~+63 Difference value of V-SIZE adjustment (60Hz)
10 VSC60 0 -16~+15 Difference value of Vertical-S compensation (60Hz)
11 VLI60 +1 → 0* -16~+15 Difference value of Vertical linearity adjustment (60Hz)
12 OSDHP 30 01~255 OSD horizontal remark position
13 OSDC 50 00~127 OSD contrast
14 V-SCP 07 00~07 V-SIZE COMP (50Hz)
15 SBIAS 70 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 63 → 64* 00~127 Red Drive adjustment
20 GDRIV 07 → 08* 00~15 Green Drive adjustment
21 BDRIV 63 → 64* 00~127 Blue Drive adjustment
22 - - - - - - White balance (a lateral line)
23 DRV - - - - Brightness and dark of White balance adjustment
24 B-YD 10 → 08* 00~15 B-Y DC Level
25 R-YD 10 → 08* 00~15 R-Y DC Level
26 B-YND 0 -16~+15 Difference value of NTSC B-Y DC Level
27 R-YND 0 -16~+15 Difference value of NTSC R-Y DC Level
28 G-YA 00 00,01 G-Y Angle
29 RBGB 08 00~15 R-Y/B-Y Gain Balance
30 RBAG 08 00~15 R-Y/B-Y Angle
31 G-YAN 00 00,01 Difference value of NTSC G-Y Angle
32 RBGBN 0 -8~+7 Difference value of NTSC R-Y/B-Y Gain Balance
33 RBABN 0 -8~+7 Difference value of NTSC R-Y/B-Y Angle
34 COGV 01 00~03 Coring gain
35 BLK 03 00~03 BLK. STR. Start (W/Defeat)
36 BLKG 03 00~03 BLK. STR. Gain
37 BRTA 00 00, 01 BRT. ABL Defeat
38 BRST 00 00, 01 Mid. Stp. Defeat
39 BRTH 00 00~07 Bright. ABL. Threshold
40 WPL 00 00~03 WPL Ope. Point (W/Defeat)
41 YGAM 00 00~03 Y Gamma Start
42 PORW 00 00, 01 AV Mode Pre/Over SW
43 PORS 02 00~03 AV Mode Pre/Over-shoot adjustment
44 RFCO 0 00~03 Difference Value of RF Corring Gain
45 PORWN 01 00, 01 RF Pre/Over SW
46 PORSN 03 00~03 RF Pre/Over-shoot adjustment
47 TINT 0 -16~+15 Tint
48 SHRF 0 -16~+15 Difference Value of RF Sharpness
49 TEXC 08 00~127 OSD Text Contrast
50 AUFL 00 00, 01 Auto. Fresh
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.