3-62
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
Main adjustment / OXIDE Y
6.
Enter A33 : DM VR 2.
7.
Connect the oscilloscope’s CH-2 input to TP3/DM-89
(E-1). GND: E702/DM-89(D-1)
8.
Adjust the level at 8 MHz using 2 MHz as the refer-
ence.
Adj. point:
A33 : DM VR 2 : MAIN OXIDE-Y-A
Specification: NTSC model:
B =
+
2.0
±
0.5 dB
PAL model:
B =
+
2.5
±
0.5 dB
9.
Set the data of “MAIN OXIDE-Y-B” in A33 : DM VR
2 to the identical data value as “MAIN OXIDE-Y-A”.
10. To exit A33 : DM VR 2, press the MENU button once.
5. OXIDE Y Adjustment
1.
Short-circuit TP4/DM-89(E-1) and E702/DM-89(D-1)
with a shorting clip.
2.
When
1
RV103/DM-89(E-5) is equipped, turn it fully
counterclockwise (
2
).
3.
Connect the network analyzer’s output to TP103/DM-
89(E-6). GND: E103/DM-89(F-6)
n
The alignment tape (CR5-2A or CR5-2A PS) is still in the
VTR. (STANDBY OFF mode)
Group delay adjustment / OXIDE Y
4.
Connect the oscilloscope’s CH-2 input to TP104/DM-
89(F-5). GND: E104/DM-89(G-5)
5.
Adjust the delay time at 8 MHz using 4 MHz as the
reference.
Adj. point:
1
RV104/DM-89(E-5)
Specification: NTSC model:
A = 40
±
5 ns
PAL model:
A = 40
±
3 ns
NTSC model
PAL model
[ns]
A
4
8
[MHz]
0
[ns]
A
4
8
[MHz]
0
NTSC model
PAL model
[dB]
B
2
8
[MHz]
0
A(
*
)MAG: 1 dB
[dB]
B
2
8
[MHz]
0
A(
*
)MAG: 1 dB
3-8. Analog Betacam PB System Alignment
3-8-5. Cosine Equalizer Adjustment
