Sony KPR-41EXR95, Service Manual

Page: 64 / 129

HUE, SUB COLOR ADJUSTMENT (SHUE,
1) Input a color-bar signal.
2)
normal.
3) Set to Service Mode.
4) Connect an oscilloscope to B output of A board and
ground.
5) the and by select
to SHUE and SCOL
4) Make the data
by selecting FILO with
and And then, send up the data gradually by
pressing . Set the data to
before SAT3
changing to 1 from 0.
5) Send up the data gradually. Set data D2 when
SAT3 changes 0 from 1.
6) Adjust the data of FILO to .
Write into the memory by
.
v 4
data
6) Write into the memory by pressing
.
[
F I L T E R A D J U S T M E N T
1) Set to Service Mode.
2) Select set the data to “1”.
Then select MPX and change data to “08” .
3) Connect an audio oscillator to R224 using a
capacitor set frequency to 62.936
And then, through the resistor, feed
into the mute of TUVIF TU 101.
audio oscillator audio oscillator
TUVIF TU
101
from
10
K
V 4 : SINE-WAVE 62.936 KHz
LEVEL 3.0 Vp-p