10-2
HDW-750/750CE V1
10-2-2. CH2 Unity Level Adjustment (for VCA)
Preparation
.
Complete the setting as shown below by using the setup
menu.
MENU : MAINTENANCE
PAGE : 07
*
VTR MODE-2
ITEM :
REAR1/WRR VR SEL
→
F
+
S1
ITEM :
REAR2/WRR VR SEL
→
F
+
S2
.
MIC control knob/front panel
→
Fully clockwise
rotation
.
AUDIO LEVEL CH2 control knob/inside panel
→
Reference position
.
AUDIO SELECT switch CH2/inside panel
→
MANUAL
.
Connect sine wave of 1 kHz at
+
4 dBu to AUDIO IN
CH2 connector/rear panel.
Adjustment Procedure
1.
Equipment :
Audio analyzer
Measurement point : TP102 (B-3)/FP-121 board
(B side)
Adjustment point :
1
RV20 (F-4)/FP-121 board
(B side)
Specifications :
_
20
±
0.1 dBu
2.
Equipment :
Audio analyzer
Measurement point : TP4 (F-4)/FP-121 board (B side)
Confirm that the audio signal satisfies the specifica-
tions of
_
33
±
1.5 dBu.
10-2-3. SIDE VR Voltage Adjustment (for VCA)
Preparation
.
Complete the setting as shown below by using the setup
menu.
MENU : MAINTENANCE
PAGE : 07
*
VTR MODE-2
ITEM :
REAR1/WRR VR SEL
→
SIDE1
ITEM :
REAR2/WRR VR SEL
→
SIDE2
.
AUDIO LEVEL CH1 control knob/inside panel
→
Reference position
.
AUDIO SELECT switch CH1/inside panel
→
MANUAL
.
AUDIO SELECT switch CH2/inside panel
→
MANUAL
.
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 : TP101 (D-3)/FP-121 board
(B side)
Adjustment point :
1
RV11 (F-5)/FP-121 board
(B side)
Specifications :
_
20
±
0.1 dBu
2.
Equipment :
Audio analyzer
Measurement point : TP201 (C-3)/FP-121 board
(B side)
Confirm that the audio signal satisfies the specifica-
tions of
_
20
±
0.5 dBu.
FP-121 board (B side)
G
F
E
D
C
1
2
3
4
5
6
B
A
E501
RV10
TP201
TP102
RV20
RV22
RV11
RV12
RV151
RV152
RV13
RV23
RV150
RV153
TP302
TP401
TP202
RV502
RV501
TP501
RV503
TP3
TP4
TP101
TP811
TP810
TP813
TP802
TP812
TP805
TP807
TP808
TP809
TP803
TP814
TP815
TP806
TP804
TP6 TP5
10-2. Audio System Alignment