Output Limiter Adjustment; Agc Level Adjustment - Sony Digital Betacam DVW-707 Maintenance Manual

6-4. Audio System Adjustment

6-4-2. Output Limiter Adjustment

Preparation
. S602 (TC-101 board)
ON (CH-1 OUTPUT LIMITER ON)
(default setting: ON)
. Insert the alignment tape (ZR5-1/1P) and play back a 1 kHz,
0 dB FS segment (TIME: 00:02:00:00 - 00:04:00:00).
Adjustment Procedure
1. Measuring equipment : Audio analyzer
Measurement point : AUDIO OUT connector
: 1RV104 (TC-101 board)
Adjustment control
Spec. : 9.0
E D
1
RV601
S602
S101
RV103
1 S106 S107
1
RV104
TC-101 board (B side)
6-6
(rear panel)
CH1 (X) : pin-2
CH1 (Y) : pin-3
GND : pin-1
0.2 dBm (at 600 Z loads)
C
B
S603
A 1
S601
1
RV602
3
4
5

6-4-3. AGC Level Adjustment

Preparation
. AUDIO SELECT CH1 switch (inside panel)
. AUDIO IN CH1 switch (inside panel)
. AUDIO IN CH1 LINE/MIC switch (rear panel)
. S107 (TC-101 board)
. S101 (TC-101 board)
. Input a 1 kHz, +4.0 dBu sine wave to the AUDIO IN CH-
1 connector.
Adjustment Procedure
1. Measuring equipment : Audio analyzer
Measurement point
Adjustment control
Spec.
E D
RV601
S101
2
RV103
1 S106
S107
1
RV104
TC-101 board (B side)
AUTO
REAR
OFF (CH-1 limiter OFF)
(default setting: OFF)
OFF (CH-1 Front MIC control
ON/OFF)
(Default setting: OFF)
: AUDIO OUT connector
(rear panel)
CH1 (X) : pin-2
CH1 (Y) : pin-3
GND : pin-1
: 1RV103 (TC-101 board)
0.2 dBm (at 600 Z loads)
: 0.0
C
1
B
S603
A 1
S602
S601
1
RV602
3
4
5
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
LINE
2