Cue Recording Level Adjustment - Sony Digital Betacam DVW-707 Maintenance Manual

6-4. Audio System Adjustment

6-4-6. CUE Recording Level Adjustment

Preparation
[Inside panel]
AUDIO SELECT CH-1 switch
AUDIO IN CH-1 switch
CUE IN switch
MONITOR switch
[TC-101 board]
S101 OFF (default setting: OFF)
S107 OFF (default setting: OFF)
S601 OFF (default setting: OFF)
[Rear panel]
AUDIO IN CH-1 LINE/MIC switch
Check that the audio level of the standard player has
already been correctly calibrated.
Adjustment Procedure
Measurement point: AUDIO OUT of the standard player
1. Connect the output of the generator (SG-5010) to the
AUDIO IN CH-1 (1 kHz at +4.0 dBm).
2. Measuring equipment : Audio analyzer
Measurement point : AUDIO OUT connector
Adjustment control : LEVEL CH1 (inside panel)
Spec. : 0
*1
3. Insert a work tape (BCT-D40), and record the signal
for 10 seconds.
*1 : A work tape that is not used so many times is desired.
The already recorded tape can be used. However, note that the
previous signals will be erased during adjustment.
4. Play back the recorded segment with the standard play-
er, and check that the specification is satisfied.
: 1RV1 (CUE-2 board)
Adjustment control
: +4.0 0.2 dBm (at 600 Z loads)
Spec.
5. Set the output of the generator (SG-5010) to 10 kHz at
+4.0 dBu.
6. Measurement point : AUDIO OUT connector
Adjustment control : LEVEL CH1 (inside panel)
Spec. : 0
6-8
MANUAL
REAR
CH1
CH1
LINE
(rear panel)
0.1 dBm (at 600 Z loads)
(rear panel)
0.1 dBm (at 600 Z loads)
7. Insert a work tape (BCT-D40), and record the signal for
10 seconds.
8. Play back the recorded segment with the standard play-
er, and check that the specification is satisfied.
: +4.0
Spec.
9. If the specification is not satisfied, repeat from steps 5 to
8.
Adjustment control : 1CV1 (CUE-2 board)
E D
1
RV601
S602
S101
RV103
1 S107
S106
1
RV104
TC-101 board (B side)
1
TP2 TP3
CV1
C
A B
CUE-2 board (A side)
1
RV4 RV3 RV2
1 1 1
2
C
D
CUE-2 board (B side)
2.5 dBm (at 600 Z loads)
C
B
S603
A 1
S601
1
RV602
3
4
5
1
2
D
RV1
1
B A
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
2