3-29
CCU-700 A
CCU-700AP
3-5-3. B-Y DEMOD Carrier Balance
Adjustment
Rank
:
B
Equipment
:
Oscilloscope
To be extended
:
DM-94 board
Preparation
• S4 (C 2nd AGC)/DM-94 board
→
“OFF”
Test point
:
TP17 (GND: E3)/DM-94 board
Adjusting point
:
1
RV11 (B-Y CARR BAL)/
DM-94 board
Specification
:
Adjust so that the waveform level of
SAMPLE pulse is maximum.
Note:
After the adjustment, set as follows.
• S4 (C 2nd AGC)/DM-94 board
→
“ON”
A
GND
3-5-2. C PLL Set Adjustment
Rank
:
C
Note
:
Make sure that 45 MHz frequency on
the MD board (camera) is correct.
Equipment
:
Oscilloscope
To be extended
:
DM-94 board
Test point
:
TP15 (GND: E8)/DM-94 board
Adjusting point
:
1
RV14 (PLL SET)/DM-94 board
Specification
:
A = 0
±
30 mV dc
3-5. CHROMA Cable Compensation System Adjustment
maximum
