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SECTION 3
ADJUSTMENTS
Applied Ecquipments:
- Position of switch
Oscilloscope
C/SDI sw:
SDI -ON
Signal Generator (Sony Tektronix TSG422)
LINE/RGB sw: RGB -*-ON
Frequency Counter
Monite TV for Adjustment
Di} Signal Generator
Sy
ee
et
Audio Level Meter
3-1. BKM-101C
*
o n eae
|
— BV BOARD —<Component Side>
B-Y/R-Y Gain Adjustment (RV202, RV203)
. Connect the D1 color bar signal to the DIGITAL input termi-
TP241
1C201
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Cc
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@RvV241
2. Connect the oscilloscope to TP221 (B-Y) and FP241 (R-Y).
ae
Adjust each gain to 1.40£30mV with RV202 (B-Y GAIN) and
a
RV203 (R-Y GAIN).
:
w
RV203
@RV221
TP22t
on
B-Y
1,40£30mV
43.5MHz
Clock Adjustment (RV101)
ie
. '
1. Connect the frequency counter tc TP141.
2. Tum on the power and perform aging for 10 minutes.
- 3, Adjust to 13.540. 1MHz with RVi0l (VCO ADJ).
—
RY' 2%
-Y Gain Adjustment (RV201) . ;
1. Connect the D1 color bar signal to the DIGITAL input termi-
nal.
.
7
e e
2. Connect the oscilloscope to TP211.(Y-QUT).
3. Adjust to 1.30430mV with RV201 (Y GAIN).
1.40430mV
1.30£30mV '
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