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Service Manual
Note:
Registers marked as FIXED are factory preset,
the default value must not be changed
Important note:
Write down the original values (“b” in the
adjustment mode details, figure 60) for each
address adjustment before modifying values.
Follow the procedure below to access the various
service adjustments. (Same procedures applies to
each section).
a.
Press
CH
buttons on the remote control to select any of
the seven service sub adjustment addresses. (“a” in
figure 60)
b. Press
The
buttons on the remote control to adjust the
level of the selected service adjustments.
VDEF Adjustment
Description
Default Level
New Level
VSIZE
VERTICAL SIZE
40
VLIN
VERTICAL LINEARITY
15
V-S
VERTICAL S CORRECTION
19
V-I
VERTICAL ENDING CORRECTION
0F (DEFAULT)
VSYM
VERTICAL MAGNET
CORRECTION
04 (DEFAULT)
VCORR
VERTICAL CORRECTION
0C
CONV Adjustments
Description
Default Level
New Level
MUTE
DIGITAL CONV (ON/OFF)
00
COARS
COARSE ADJUSTMENT
ADJUSTMENT
FINE
FINE ADJUSTMENT
ADJUSTMENT
DAF Adjustments
Description
Default Level
New Level
H-PAR
HORIZONTAL PARABOLA
+263
V-SAW
VERTICAL SAW
-35
V-PAR
VERTICAL PARABOLA
+117
OTHER Adjustments
Description
Default Level
New Level
ACL
-------
01 CO
HHS
-------
01 CO
Widescreen 16:9 and non-widescreen 4:3 PTVs use the same
light box, for this reason is important to set it to the correct
version (16:9 or 4:3). To change the format please refer to
figure 62 on page 43.
Be sure to select the correct format for the serviced PTV.
About format aspect switching (WX 16:9 or HX 4:3):