4-16
CCU-TX7 (E)/V1
4-3-7. 22.5 MHz Carrier Level Adjustment
Equipment
:
Oscilloscope
To be extended :
YD-26 board
Test point
:
TP10 (GND: E5)/YD-26 board
Adjusting point :
1
RV7 (Y CARR LEVEL)/
YD-26 board
Specification
:
A = 400
±
20 mV p-p
(BW LIMIT/Oscilloscope
→
"OFF")
4-3-8. Y DEMOD Carrier Balance Adjustment
Equipment
:
Oscilloscope
To be extended :
YD-26 board
Preparation :
.
In case of RCP-TX7
Set IRIS AUTO button to "OFF", and close the lens iris by
IRIS control knob.
.
In case of COU-TX7
Set AUTO/MANUAL switch to "MANUAL", and close
the lens iris by IRIS control knob.
.
S3 (Y 2nd AGC)/YD-26 board
→
"OFF"
Test point :
TP11 (GND: E6)/YD-26 board
Adjusting point :
1
RV8 (Y CARR BAL)/YD-26 board
Specification
:
A = maximum level
A
V
A
