Sony DNW-A100 Maintenance Manual page 106

3-8. Analog Betacam PB System Alignment
3-8-8. OMC Carrier Balance Adjustment
3. METAL C Adjustment
n
Connection of the oscilloscope remains unchanged.
1. During play back the alignment tape in PLAY mode,
adjust the level difference between the fc and 2fc on
the spectrum analyzer.
PB portion: Flat field signal (24:00 to 26:00) of
CR5-1B (NTSC) / CR5-1B PS (PAL)
Adj. points: 1RV305/DM-89(F-4) and
1RV306/DM-89(F-5)
Specification: C > 40 dB
NTSC model
fc
5.8 MHz
PAL model
fc
6.7 MHz
2. Stop the playback of the alignment tape.
3-70
C
2fc
11.6 MHz
C
2fc
13.4 MHz
4. METAL Y Adjustment
1. Change the connection of the oscilloscope as follows:
CH-1: TP4/DM-89(E-1), GND: E702/DM-89(D-1)
CH-2: TP105/DM-89(G-4), GND: E105/DM-89(G-1)
2. During play back the alignment tape in PLAY mode,
adjust the level difference between the fc and 2fc on
the spectrum analyzer.
PB portion: Flat field signal (24:00 to 26:00) of
CR5-1B (NTSC) / CR5-1B PS (PAL)
Adj. points: 1RV105/DM-89(F-4) and
1RV106/DM-89(F-5)
Specification: D > 40 dB
NTSC model
fc
7.6 MHz
PAL model
fc
8.9 MHz
3. Stop the playback of the alignment tape.
n
It is not necessary to eject the alignment tape when
perform subsequent "3-8-10. Demodulator Limiter
Balance Adjustment".
D
2fc
15.3 MHz
D
2fc
17.7 MHz
DNW-A100/A50/A45
DNW-A100P/A50P/A45P