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Adjustments
in the Service mode
The displayed data is not post adjustment data, but initial reference data from the CPU ROM for basic set operation
following memory IC replacement. Perform individual adjustments according to the circuit adjustment method described
earlier when the memory IC is replaced.
–
Table of the adjustments
–
Screen
Display
I
Adjustments
Rikl "%2'"1
Remarks
1
I
I
I
I
01. v-s
Vertical Shift Adjustment
31
1 31
00 – 63
Not used
02. V-A
Vertical Size Adjustment
34
34
00 – 63
03. v-L
Vertical LinearityAdjustment
31
31
00 – 63
~
04. s-c
S- CorrectionAdjustment
I
31
I
31
I
00 – 63
I
05. H-S
Horizontal Center Adjustment
00
00
00 –
63
Not used
06. H-W
Horizontal Width Adjustment
37
38
00 – 63
07. P-w
PincushionAdjustment (Parabolawidth)
28
30
00 – 63
08. C-P
PincushionAdjustment (Cornerparabola)
31
25
00 – 63
.x
09. TRP
Pincushion Adjustment
25
I
20
00 – 63
10. R
Red Gain Adjustment
24
00 – 63
11. G
Green Gain Adjustment
24
00 – 63
12. B
Blue Gain Adjustment
24
00 – 63
~
13. P-L
Peak Drive Limit Adjustment
45
00 – 63
~
14. S-L
Slice Adjustment
10
00 – 63
~
15. S-F
Sharpness
Focus Adjustment
20
00 –
63
~
16. W-H
Weighting
Adjustment
21
00 – 63
,
17. C-D
Chroma Delay Adjustment
31
00 – 63
Not used
18. OSD
On Screen Display Center Adj.
7
00 – 63
Note: In the event that separate data adjustments are required, such as for PAL and NTSC
systems,
perform
individual
adjustments
for
PAL and NTSC signal reception.
Adjust for NTSC by inputting the NTSC signal from the AV input terminal.
(1) Connect the oscilloscope
to TP - 47G and the ground(TE-
47) of the CRT PCB ASS'Y.
(2) Receive the PAL colour bar pattern.
(Set the colour
control
to minimum
and the contrast
to
maximum.)
I
Grey
I
(3) Adjust the brightness control volume to be a=l OV t;
V.
(4)
(5)
(6)
Ti-
a
T
b
Set the TV receiver to the service mode.
Select"1 1. G" by pressing Prog. UP/DOWN key.
Adjust so that b=85 V f 3V by pressing LEVEL (- ~ + ) key.
Note: This
adjustment
should
be done
after
sub
contrast
adjustment.
.
(1) Receive the PAL monochrome
circular pattern.
(Set the colour and brightness
control to normal and the
contrast to maximum.)
(2) Set the TV receiver to the service mode.
(3) Select"1 O. R" by pressing Prog. UP/DOWN
key, and adjust
so that the red
gain is
optimum level by pressing LEVEL
(-
-
+ ) key.
(4) Select"1 2, B" by pressing Prog. UP/DOWN
key, and adjust
so that the blue gain is optimum
level by pressing
LEVEL
(-~
+ ) key.
(1) Receive the monochrome
circular pattern.
(Set the brightness to normal and contrast to maximum,)
(2) Set the TV receiver to the service mode.
(3) Select "02.
V-A
by pressing
Prog. UP/DOWN
key of the
remote control unit.
(4) Adjust the vertical size by pressing LEVEL (- ~ + ) key.
–9-
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