Sanyo CR21KX2 Service Manual page 9

Service Adjustments with Replacing Memory IC(IC802)
[2] Required Service Adjustments
Readjust the following service adjustments.
Adjustments
RF AGC
Horizontal centre
Vertical size
Vertical-S correction
Vertical linearity
Gray scale
Further adjustment please refer to page 12 and 13.
Following table shows the initial values which have been stored in the CPU ROM, and items for the service adjustments.
Service mode adjustments table in CPU ROM
DATA
NO.
ITEM
RANGE
01 RF AGC 00~63
02 H-PHA
00~31
03
V-POS 00~63
04
V-SIZ 00~127
05
V-SCO 00~31
06
V-LIN 00~31
07
H-P60 -80~+70
08
V-S60 -32~+31
09
OSDHP 00~255
10
OSDC 00~127
11 V-SCP
00~07
12
H-SCP 00~07
13
SBIAS 00~127
14 RBIAS
00~255
15
GBIAS 00~255
16
BBIAS 00~255
17 RDRIV
00~127
18
GDRIV 00~15
19
BDRIV
00~127
20 1-LINE APPEAR
21 DRV
22
B-YD 00~15
23
R-YD 00~15
-08~+07
24
B-YDN
R-YDN
25
-08~+07
SBDC
26 -08~+07
SRDC
27 -08~+07
28
G-YA 0,1
29
00~15
RBGB
30 RBAG 00~15
0,1
31 G-YAN
-08~+07
32 RBGBN
33 RBAGN -08~+07
34
COGV 00~03
00~03
35 BLKS
36 00~03
BLKG
37 0,1
BRTA
38
BRST
0,1
39 BRTH 00~07
40 WPL 00~03
41 YGAM
00~03
42 PORW 0,1
43
PORS 00~03
44
RFCO 00~03
Service Mode No. & Item
Item 01, RF AGC
Item 02, H-PHA
Item 04, V-SIZ
Item 05, V-SCO
Item 06, V-LIN
Item 14-17, 19-21
INITIAL
DESCRIPTION
DATA
30
RF AGC Adj.
5 H-Phase (H-Centering) Adj. (50Hz)
40 V-Position (V-Centering) Adj. (50Hz) Fixed.
69 V-Size Adj. (50Hz)
15
V-S Correction (50Hz)
19 V-Linearity Adj. (50Hz)
+5 H-Centering Adj. (60Hz)
V-Size Adj. (60Hz)
0
29 OSD H-Position Adj.
45
OSD Contrast Adj.
7 Correction of the V-size accompanying brightness change.
7 Correction of the H-size accompanying brightness change.
(Do not change)
Sub Bias Adj.
105
0 Red Bias Adj.
0 Green Bias Adj.
0 Blue Bias Adj.
64 Red Drive Adj.
8 Green Drive Adj.
64 Blue Drive Adj.
White Balance Adj.
10 B-Y DC level Adj.. Colour compensation (PAL)
10 R-Y DC level Adj.. Colour compensation (PAL)
0
NTSC B-Y DC level Adj. (Difference value over PAL.)
0
NTSC R-Y DC level Adj. (Difference value over PAL.)
-8 SECAM B-Y DC level Adj. (Difference value over PAL.)
SECAM R-Y DC level Adj. (Difference value over PAL.)
-5
0 G-Y angle Adj. (The reproducibility of a colour is changed.)
8
R-Y, B-Y Gain Blance Adj. (Do not change.)
8
R-Y, B-Y Angle Adj. (Do not change.)
0
NTSC G-Y Angle Adj. (Difference value over PAL.)
0
NTSC R-Y, B-Y Gain Balance Adj. (Difference value over PAL.)
0
NTSC G-Y, B-Y Angle Adj. (Difference value over PAL)
0
Coring Adj.
3
Setting of Black stretch start.
3 Setting of Black stretch gain.
0 On and off of ABL.
0 Setting of ABL.
Setting of ABL.
0
2 White peak limitter.
0 Y Gamma setting.
Switching of Pre-shoot and Over shoot in AV mode.
0
2 Pre-shoot/Over shoot Adj. in AV mode.
0
RF Coring Gain Adj.
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