Service Mode Adjustments - Sanyo C29LF34 Service Manual

Service Mode Adjustments

[1] Bus Data Adjustments [1] B Bus Data Adjustments
Note: The CPU (IC801) and memory IC (IC802) store the service adjustments data and controls data for each circuit. T C
When the Memory IC(IC802) is replaced, some of the service adjustments should be readjusted to obtain the
best performance. The necessary service adjustments are carried out by using the RC handset.
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
RANGE
INITIAL
NO. ITEM
OF DATA
VALUE
01 H-P 00-15
08
02 V-P 00-07
02
03 V-S 00-127
70
04 OSD 00-15
01
05 00-127
AGC 64
06 00-255
VCO 128
07 SIF 00-03
00
08 00-15
SELF 00
09
00-03
DLT 01
10
DL F 01 00, 01
11
B-ST 00 00, 01
12
ABCL 01 00, 01
13
AB-G 00 00, 01
14
TRAP 03 00-03
15
WBK W W B B K 00 00, 01 0 0 0, 0 1
16
B BBK BK 00 00, 01 0
17
AFCG 02 00-02
18
RBI 00 00-255
19
GBI 00 00-255
20 BBI 00-255
00
21 00-127
64
RD
22 00-127
64
BD
23
-
-
DRV
24
- -
1 LINE
25 01 00,01
Y/C
26 VCON 10 00-63
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.
Readjust the following service adjustments.
Adjustments
Horizontal centre adjustment
Vertical centre adjustment
Vertical size adjustment
OSD position adjustment
RF AGC adjustment
AFT adjustment
Grey scale adjustment
ROM Correction M Correc re rection n n n
Further adjustment please refer to page 14 to 16.
FUNCTION
H-Phase (H-Centering) Adjustment
V-Position (V-Centering) Adjustment
V-Size Adjustment
OSD H-Position Adjustment
RF AGC Adjustment
VCO (AFT) Adjustment
SIF VCO Adjustment
Self Adjustment Mode Setting
DL Time Adjustment
DL Fine Adjustment
Black Stretch On/Off Setting
ABCL
ABCL Gain
Trap Frequency Adjustment
W Wh White Back Setting hite Bac k Se tting
Blue Back Setting Bl B k S t
AFC Gain Adjustment
Red Bias Adjustment
Green Bias Adjustment
Blue Bias Adjustment
Red Drive Adjustment
Blue Drive Adjustment
Drive Adjustment
Screen Adjustment
Y/C Separation
AV mode contrast under the no signal condition
Service Mode No. & Item
Item 01, H-P
Item 02, V-P
Item 03, V-S
Item 04, OSD
Item 05, AGC
Item 06, VCO
Item 18-24
Item 100 172 Item 100-172
6
RANGE
INITIAL
NO. ITEM
OF DATA
VALUE
27 VBRI 20
115
28 DCOL
29
05 -32 - +32
DTIN
30
18 -127 - +127
DPLC
31
15 -63 - +63
DPLT
32
00
DVD-F
33
00
HDL-F
34
00
MAT-F
35
COFF 00
36
BBE-M 255
37
00
BBE-H
38
00
ENH
39
CAP-H 32
40
CAP-C
21
4 41
WV WVSI SI 50 50
10 10
42 WCON 4
WC ON
43 ZVSI 13
44
OP1
61
45 OP2
07
15
R-OSD
46
R00
100 FF
R01
101 FF
R71
171 FF
R72
172 FF
-12-
FUNCTION
00-63
AV mode brightness under the no signal condition
00-255 DVD Colour Adjustment
DVD Tint Offset
DVD PAL Colour differential value
DVD PAL Tint differential value
00-01 Manufacturing process flag for DVD
00-01 1-HDL through flag
00-01 MAT switching flag
00-03 DVD 1 chip colour adjustment
00-255 BBE MID output adjustment
00-255 BBE HIGH level adjustment
00-01 Y/C IC emphasis setting
00-63 H-Position of the CAPTION
Contrast adjustment of the CAPTION
00-63
00-127 0 0- 27
V V-size deduction under the wide screen mode ded ded uctio n und er th e wi de sc
0 00-127 1 27
C Contrast deduction under the wide screen mode t d d t h
00-127
V-Size value under the zoom mode
00-63 Option setting-1
00-255 Option setting-2
00-15
OSD H-Position for RECALL
ROM Correction
ROM Correction
ROM Correction
ROM Correction
reen mod e
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