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Service Mode Adjustments - Sanyo C29LF34 Service Manual

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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
0 0 0, 0
00, 01
1
16
BBK
B
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
rection
re
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
White Back Setting
W
Wh
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
41
4
WVSI
WV
SI
50
50
10
10
4
42 WCON
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
0
00-127
0-
27
V-size deduction under the wide screen mode
V
ded
ded
uctio
n und
er th
e wi
de sc
0
00-127
1
27
Contrast deduction under the wide screen mode
C
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
d

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