C Pll Set Adjustment - Sony CCU-700A Maintenance Manual

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