10-6
HDW-750/750CE V1
10-2-8. D/A Output Level Adjustment
Preparation
.
Complete the setting as shown below by using the setup
menu.
MENU : MAINTENANCE
PAGE : 07
*
VTR MODE-2
ITEM :
AU SG (1 kHz)
→
ON
.
OUTPUT/DCC switch/inside panel
→
BARS/OFF
Adjustment Procedure
1.
Equipment :
Audio analyzer
Measurement point : AUDIO OUT connector/
rear panel
CH1 (X) : Pin-2
CH1 (Y) : Pin-3
GND :
Pin-1
Adjustment point :
1
RV501 (B-3)/FP-121 board
(B side)
Specifications :
_
2.0
±
0.1 dBu
2.
Equipment :
Audio analyzer
Measurement point : TP102 (B-3)/FP-121 board
(B side)
Confirm that the audio signal satisfies the specifica-
tions of
_
16.5
±
1.0 dBu.
3.
Equipment :
Audio analyzer
Measurement point : AUDIO OUT connector/
rear panel
CH2 (X) : Pin-4
CH2 (Y) : Pin-5
GND :
Pin-1
Adjustment point :
1
RV502 (B-3)/FP-121 board
(B side)
Specifications :
_
2.0
±
0.1 dBm(600
Z
)
4.
Equipment :
Audio analyzer
Measurement point : TP202 (B-3)/FP-121 board
(B side)
Confirm that the audio signal satisfies the specifica-
tions of
_
16.5
±
1.0 dBu
Setting upon Completion of Adjustment
.
OUTPUT/DCC switch (inside panel)
→
CAM/ON
.
Complete the setting as shown below by using the setup
menu.
MENU : MAINTENANCE
PAGE : 07
*
VTR MODE-2
ITEM :
AU SG (1 kHz)
→
OFF
10-2-9. CH1, CH2 Output Level Check
Preparation
.
Complete the setting as shown below by using the setup
menu.
MENU : MAINTENANCE
PAGE : 06
*
VTR MODE-1
ITEM :
AUDIO CH3/4 MODE
→
SW
.
Connect sine wave of 1 kHz at
+
4 dBu to AUDIO IN
CH1 connector/rear panel.
.
Connect sine wave of 1 kHz at
+
4 dBu to AUDIO IN
CH2 connector/rear panel.
Adjustment Procedure
1.
Equipment :
Audio analyzer
Measurement point : TP302 (C-5)/FP-121 board
(B side)
Confirm that the audio signal satisfies the specifica-
tions of
_
20.0
±
0.5 dBu.
2.
Equipment :
Audio analyzer
Measurement point : AUDIO OUT connector/
rear panel
CH1 (X) : Pin-2
CH1 (Y) : Pin-3
GND :
Pin-1
Confirm that the audio signal satisfies the specifica-
tions of 0
±
1 dBm (600
Z
).
3.
Equipment :
Audio analyzer
Measurement point : TP401 (D-5)/FP-121 board
(B side)
Confirm that the audio signal satisfies the specifica-
tions of
_
20.0
±
0.5 dBu.
4.
Equipment :
Audio analyzer
Measurement point : AUDIO OUT connector/
rear panel
CH2 (X) : Pin-4
CH2 (Y) : Pin-5
GND :
Pin-1
Confirm that the audio signal satisfies the specifica-
tions of 0
±
1 dBm (600
Z
).
10-2. Audio System Alignment