Sony DNW-A100 Maintenance Manual page 453

METAL
n
Perform steps 5 through 8 for only DNW-A100P/A50P/A45P.
CH1 adjustment
5. Connect the input of audio analyzer to AUDIO OUTPUT CH1 connector.
However, when the optional kit BKNW-105 is equipped in the DNW, connect the audio analyzer to
MONITOR OUTPUT L connector.
6. Playback the following specified portions (_20 VU) of alignment tape CR8-1B PS, and perform the
adjustment and checks.
Play back portion
5:00 to 5:55 (1 kHz, _20 VU)
6:00 to 6:25 (40 Hz, _20 VU)
6:30 to 6:55 (7 kHz, _20 VU)
7:00 to 7:25 (10 kHz, _20 VU)
7:30 to 7:55 (15 kHz, _20 VU)
CH2 adjustment
7. Connect the input of audio analyzer to AUDIO OUTPUT CH2 connector.
However, when the optional kit BKNW-105 is equipped in the DNW, connect the audio analyzer to
MONITOR OUTPUT R connector.
8. Playback the following specified portions (_20 VU) of alignment tape CR8-1B PS, and perform the
adjustment and checks.
Play back portion
5:00 to 5:55 (1 kHz, _20 VU)
6:00 to 6:25 (40 Hz, _20 VU)
6:30 to 6:55 (7 kHz, _20 VU)
7:00 to 7:25 (10 kHz, _20 VU)
7:30 to 7:55 (15 kHz, _20 VU)
A B C
A No.
E500
RV504
RV502
TP501
TP500
S500
RV503
RV501
RV500
COR100
RV103
TP101
RV100
COR101
+4 –3
0 –20
20 18 16
RV101
RV102 E100
TP100
COR300
16 18 20
COR301
UNITY (L) VAR (L)
COR302
+4
TP300
0
–3 >EP–GW<
–20
RV300
E300
APR-12 Board (Side A) (For OXIDE)
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
Specifications[dB]
Measured value makes 0 dB (reference).
+0.7
C.V.
_1.7
C.V. ± 0.3
C.V. ± 0.4
C.V. ± 0.5
The correction values (C.V.) are given on the label of the alignment tape.
Specifications[dB]
Measured value makes 0 dB (reference).
+0.7
C.V.
_1.7
C.V. ± 0.3
C.V. ± 0.4
C.V. ± 0.5
The correction values (C.V.) are given on the label of the alignment tape.
D APR–12 E F G
LOTNO, S NO,
E600
RV605
TP601
RV602
TP600
RV603
S600
RV604
RV601
RV600
COR200
RV203
TP201
RV200
COR201
+4 –3
0 –20
E200
20 18 16
RV201
RV202
TP200
TP700 TP560
COR400
16 18 20
COR401
UNITY (R) VAR (R)
COR402
+4
TP400
0
–3
–20
RV400
E400
TP701
6-4. Electrical Adjustment after Replacing the AT Head
Adjustment point
_
(Check only)
(Check only)
(Check only)
1RV502/APR-12(A-1)
Adjustment part
_
(Check only)
(Check only)
(Check only)
1RV602/APR-12(G-1)
A B
A No.
E500
RV504
TP501
1
TP500
RV500
S500
RV501
RV502
2
COR100
TP101
RV100
COR101
+4 –3
0 –20
3
RV101
RV102
TP100
4
COR300
16 18 20
COR301
UNITY (L) VAR (L)
5
COR302
+4
TP300
0
–3 >EP–GW<
–20
RV300
E300
6
APR-12 Board (Side A) (For METAL)
C D APR–12 E F
LOTNO, S NO,
E600
RV605
TP601
TP600
RV603
RV503 RV604
RV601
RV602
COR200
RV103 TP201
RV200
COR201
+4 –3
0 –20
20 18 16 20 18 16
RV201
E100 RV202
TP200
COR400
16 18 20
COR401
UNITY (R) VAR (R)
COR402
+4
TP400
0
–3
–20
RV400
E400
G
1
RV600
S600
2
RV203
E200 3
TP700 TP560
4
5
TP701 6
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