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SUB CONTRAST ADJUSTMENT
(SPIX
1) Set to Service Mode.
2) Input a color-bar signal. (75 IRE)
3) Set the conditions as follows.
PICTURE e+
MAX
COLOR
see eeeene
MIN
R OFF
see seceee
ON
G OFF
aisieterg hee
OFF
B OFF
sec eens
OFF
Press|VIDEO}
—
H (L) (It becomes minimum).
Select [3] (ON) and [6] (OFF) with[l]and{4].
__—01:
ON
00: OFF
SERVICE ROFF 0.1
white
2. 140. 1Vp-p
4) Connect an oscilloscope to pin
@_
of connector
A-32 and ground.
5) Adjust [3] and (6] to the 1.7+0.1Vp-p
level by
select-ing SPIX with |[l]and{4].
6) Write the memory by pressing [MUTING] —
then
7) Return the following back to normal after
adjustment.
G OFF
wie a fered Save
ON
B OFF
ae ecevece
ON
COLOR
ove
CENTER
PICTURE
+--+:
80%
KV-27EXR20/27EXR25
RM-Y103__-RM-Y104
1) Input acolor-bar signal.
2) Press|VIDEO} — then[RESET]to normal.
)
3) Set to Service Mode.
4) Connect an oscilloscope to pin @) of connector A-32
and ground.
5) Adjust[3]and|4|to the VI=V4 and V2=V3 by select
to SHUE and SCOL with[tJana|4].
v1
v4
V2
V3
6) Write into the memory by pressing |MUTING]
then
ENTER] .
V.SIZE ADJUSTMENT
(VSIZ
1) Set to Service Mode.
2) Press
> then|[RESET]to normal.
3) Input a cross-hatch signal.
4) Adjust |3| and |6] to the best vertical size by selecting
VSIZ with[1]and{4] .
5) Write into the memory by pressing
—then
[ENTER] .
1) Input a cross-hatch signal.
)
2) Press|VIDEO}
— then|RESET]|to normal.
)
)
3) Set to Service Mode.
4 Adjust Bland[6|to best horizontal size by selecting HSIZ
with|1]and
| 4 ] .
5) Write into the memory by pressing |MUTING]
—then
og cs
KV-27EXR20/27EXR25
RM-Y103_
RM-Y104
H.CENTER ADJUSTMENT
(H POS
1) Input a color bar signal.
1) Set to Service Mode.
2) Set the Service mode.
3) Select HSIZ with[1] and(4] .
kHz+0.1 kHz.
5) Adjust A-55 conector position so that both-size
And then, through the 10k2 resistor, feed 9.3V
branking width of the Raster should be same on the
into the pin @ of VIF pack.
Scrnne.
8) Select HPOS with [land {4] .
—
then/|ENTER|
.
audio oscillator
10K
o—)
=
10 1/16 V
=
then
:
item
PIN AMP
SERVICE FILO 21
| ( ab
+
( |
1000 0110
MONO
data
CORNER PIN
SAT3
ECW
ASCO)
PIN PHASE
HIN
PLLL{AL/
= 90s
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