Technics SU-A909 User Manual

IC391
BA6218
MOTOR DRIVE
L391
1 H
L392
1 H
C394
0.1
C393
0.1
1 2 3 4 5 6 7 8 9
DIRECTION
SELECT
DRIVE
W303
VR311
2K(B)
W302
W301
VOLUME CIRCUIT
C
2
1
3
4
5
6
C392
6.3V100
R391
1/2W10
C391
6.3V100
4
2
3
1
7
4
3
2
1
2
1
3
4
5
6
4
2
3
1
7
4
3
2
1
A
C
D
E
F
CN302
CN303
CN301
E
F
C402
50V1
C404
100P
IC401
NJM4580EDTE1
TONE AMP
5 6 7 8
4 3 2 1
R403
220K
R402
4.7K
C401
50V1
C403
100P
R404
220K
R401
4.7K
C410
16V47
C412
0.01
C411
0.01
R417
22K
R418
22K
VR401
100K(G)
(BALANCE)
R406
220K
C406
100P
C408
56P
R405
220K
C405
100P
C407
56P
C428
50V1
R412
18K
C422
0.082
R414
3.9K
R413
3.9K
R411
18K
C421
0.082
C423
0.015
C424
0.015
C425
120P
R415
22K
C415
2200P
R407
3.9K
C416
2200P
R408
3.9K
R416
22K
C426
120P
R410
1K
R409
1K
C419
3300P
C417
0.015
C418
0.015
C420
3300P
VR403 2
100K(C)
(TREBLE)
VR403 1
100K(C)
(TREBLE)
VR402 1
100K(C)
(BASS)
VR402 2
100K(C)
(BASS)
C427
50V1
C409
16V47
7
13 2456
W401
7
13 2456
TONE CIRCUIT
B
CN401
A
B
R316
2.7K
R315
2.7K
C
D
R504 3.3K
R503 3.3K
B
C305
25V10
C306
25V10
MAIN CIRCUIT
A
VR312
2K(B)
R364
10K
R362
18K
R361
18K
R363 10K
C367
25V22
R365
1K
C368
25V22
R366
1K
VR301
20K(Z)
(VOLUME)
C355
10V220
R355
2.7K
R356
2.7K
C356
10V220
M
:POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE
:PHONO SIGNAL LINE
13V
14.2V
14.1V
5.7V
14.1V 0V 0V 0V
0V 0V 0V 14.2V
5.7V
0V
5.7V
0V
0V 0V
OUTPUT
VOLTAGE ADJ.(Lch)
OUTPUT
VOLTAGE ADJ.(Rch)

Technics SU-A909 Specifications

General

Brand	Technics
Model	SU-A909
Category	Amplifier
Language	English