Sony DNW-A100 Maintenance Manual page 105

1. OXIDE Y Adjustment
1. Connect and set the oscilloscope as follows:
CH-1: TP4/DM-89(E-1), DC 1 V/DIV
GND: E702/DM-89(D-1)
CH-2: TP105/DM-89(G-4), AC 1 V/DIV
GND: E105/DM-89(G-1)
TIME: 5 ms/DIV
TRIG: CH-1, _ slope
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: Pulse & bar signal (9:00 to 11:00) of
CR5-2A (NTSC)/ CR5-2A PS (PAL)
1RV107/DM-89(F-5) and
Adj. points:
1RV108/DM-89(F-5)
Specification: A > 35 dB
NTSC model
fc
5.5 MHz
PAL model
fc
6.25 MHz
3. Stop the playback of the alignment tape.
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
http://getMANUAL.com
A
2fc
11.0 MHz
A
2fc
12.5 MHz
3-8. Analog Betacam PB System Alignment
2. OXIDE C Adjustment
1. Change the connection of the oscilloscope as follows:
CH-1: TP5/DM-89(D-1), GND: E702/DM-89(D-1)
CH-2: TP305/DM-89(C-4), GND: E303/DM-89(B-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: Pulse & bar signal (9:00 to 11:00) of
CR5-2A (NTSC)/ CR5-2A PS (PAL)
Adj. points: 1RV307/DM-89(F-5) and
1RV308/DM-89(F-5)
Specification: B > 35 dB
NTSC model
fc
4.9 MHz
PAL model
fc
4.9 MHz
3. Eject the alignment tape.
3-8-8. OMC Carrier Balance Adjustment
B
2fc
9.8 MHz
B
2fc
9.8 MHz
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