10-10
HDW-750/750CE V1
10-3-4. CUE Record Level Adjustment-1
Preparation
.
AUDIO SELECT switch CH1/inside panel
→
AUTO
.
CUE IN SELECT switch/inside panel
→
CH1
.
Connect sine wave of 1 kHz at
+
4 dBu to AUDIO CH1
connector/rear panel.
Adjustment Procedure
1.
Insert a working tape and enter the REC mode.
(Record a working tape for about 20 seconds.)
2.
Playback the recorded segment of a working tape.
3.
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 level “A” is 0.4
±
0.2 dBm (600
Z
).
If the audio level “A” is outside the range of 0.4
±
0.2
dBm (600
Z
), take note of the audio level “A” and
proceed to step 4.
4.
Rewind a working tape and playback the recorded
segment of a working tape again.
5.
Equipment :
Audio analyzer
Measurement point : TP501 (B-5)/FP-121 board
(B side)
GND :
E501 (C-6)/FP-121 board
(B side)
Measure the audio level “B”.
6.
Compensate the amount of deviation that the playback
signal is deviated from the specifications.
Equipment :
Audio analyzer
Measurement point : TP501 (B-5)/FP-121 board
(B side)
GND :
E501 (C-6)/FP-121 board
(B side)
Adjustment point :
1
RV503 (C-4)/FP-121 board
(B side)
Specifications :
B
_
(A
_
0.4)
±
0.2 dBu
7.
Enter the REC mode. (Record a working tape for about
20 seconds.)
8.
Playback the recorded segment of a working tape.
9.
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 level is 0.4
±
0.2 dBm (600
Z
).
If the audio level does not satisfy the specifications,
repeat the procedure starting from step 3 again.
G
F
E
D
C
1
2
3
4
5
6
B
A
E501
TP201
TP102
RV11
RV151
RV152
S202
S102
S504 S505
TP302
TP401
TP202
RV502
RV501
S502
TP501
RV503
R
V10
R
V20
R
V22
R
V12
R
V13
R
V23
R
V150
R
V153
TP3
TP4
TP101
TP811
TP810
TP813
TP802
TP812
TP805
TP803
TP814
TP815
TP806
TP804
TP807
TP808
TP809
TP6 TP5
FP-121 board (B side)
10-3. CUE Audio Alignment
