Sanyo CP29SV2Z, Service Manual

Page: 11 / 30

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Service Adjustments with Replacing Memory IC(IC802)
[2] Required Service Adjustments
Readjust the following service adjustments.
Adjustments Service Mode No. & Item
RF AGC Item 01, RF AGC
Horizontal centre Item 02, H-PHA
Vertical size Item 04, V-SIZ
Vertical-S correction Item 05, V-SCO
Vertical linearity Item 06, V-LIN
Gray scale Item 14-17, 19-21
Further adjustment please refer to page 14 and 15.
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
NO.
ITEM
DATA
RANGE
INITIAL
DATA
DESCRIPTION
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
RF AGC Adj. RF AGC
0~63
30
H-Phase (H-Centering) Adj. (50Hz) H-PHA
0~31 7
V-Position (V-Centering) Adj. (50Hz) Fixed. V-POS 0~63 40
V-Size Adj. (50Hz) V-SIZ
0~127
50
V-S Correction (50Hz). Strech or shrink at center of screen
V-SCO 0~31
7
V-Linearity Adj. (50Hz)
V-LIN 0~31
18
H-Centering Adj. (60Hz) H-P60
-16~+15
+5
V-Size Adj. (60Hz)
V-S60 -64~+32
0
OSD H-Position Adj.
OSDHP 0~255
26
OSD Contrast Adj. OSDC
0~127
60
Correction of the V-size accompanying brightness change. V-SCP
0~7 7
Correction of the H-size accompanying brightness change. H-SCP
0~7
7
Sub Bias Adj. SBIAS
0~127
105
Red Bias Adj. RBIAS
0~255
0
Green Bias Adj. GBIAS
0~255
0
Blue Bias Adj. BBIAS
0~255
0
Red Drive Adj. RDRIV
0~127
64
Green Drive Adj. GDRIV
0~15
8
Blue Drive Adj. BDRIV
0~127
64
1-LINE APPEAR
21 DRV
White Balance Adj.
22
B-YD 0~15
12
B-Y DC level Adj.. Colour compensation (PAL)
23
R-YD 0~15 12 R-Y DC level Adj.. Colour compensation (PAL)
24
B-YDN
-16~+15 0 NTSC B-Y DC level Adj. (Difference value from PAL.)
25
R-YDN
-16~+15
0 NTSC R-Y DC level Adj. (Difference value from PAL.)
26 SBDC -16~+15 - 8
SECAM B-Y DC level Adj. (Difference value from PAL.)
27
SRDC
-16~+15 - 5 SECAM R-Y DC level Adj. (Difference value from PAL.)
28
G-YA 0,1 0
G-Y angle Adj. (Colour Phase G-Y Demodulation 0=240 degree, 1=253 degree)
29
RBGB 0~15 8 R-Y, B-Y Gain Blance Adj. (Do not change.)
30 RBAG 0~15 8
R-Y, B-Y Angle Adj. (Do not change.)
31 G-YAN 0,1 0
NTSC G-Y Angle Adj. (Difference value from PAL.)
32 RBGBN -16~+15 0 NTSC R-Y, B-Y Gain Balance Adj. (Difference value from PAL.)
33 RBAGN -16~+15 0
NTSC G-Y, B-Y Angle Adj. (Difference value from PAL)
34 COGV 0~3 0 Coring Adj. (Base colour)
35 BLKS 0~3 3 Black stretch effective point selection, 0=OFF, 1-3=FREE
36
BLKG
0~3 3 Setting of Black stretch gain. 0=OFF, 1-3=FREE
37 BRTA 0,1
0 On and off of ABL. 0=ON, 1=OFF
38
BRST 0,1
0 ABL Effect Limit SW. 0=With Limitter, 1=Without Limitter
39 BRTH 0~7 0
ABL Threshold Pint.
(Do not change)
40
41
42
43
44
White peak limitter. 0=OFF, 1-3=With Limitter WPL
0~3 2
Y Gamma setting. 0=OFF, 3=Max (Do not change) YGAM
0~3
0
Switching of Pre-shoot and Over shoot in AV mode. 0=Pre, 1=Over PORW
0,1 0
Pre-shoot/Over shoot Adj. in AV mode. PORS
0~3
2
RF Coring Gain Adj. RFCO 0~3
0
OBJECT
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC201
IC801