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Yamaha A-S2100 Service Manual page 68

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A
B
A-S2100
1
FRONT (1)
(Side A)
FUNCTION (1)
(CB508)
2
+12D
MG
+5S
I_VOL
MG
MVOL+
MVOL-
+5D
LED_MT
3
NC
NC
W404B
W403B
4
FRONT (7)
FRONT (2)
(Side A)
5
+12D
1
MG
+5S
I_VOL
6
MG
MVOL+
MVOL-
9
7
68
C
D
FUNCTION (1)
(CB509)
CB406
CB405
13
12
24
1
W406B
W405B
(W405A)
VOLUME
FRONT (3)
AUDIO MUTE
indicator
W402A
W422
chassis
M
E
F
• Semiconductor Location
Ref no. Location
Ref no. Location
Ref no. Location
D403
D6
D413
F6
D404
G6
D414
C3
D405
F6
D415
D3
D408
F6
D416
D3
D409
F6
D422
I3
D410
F6
D423
I3
D412
F6
D424
I3
FRONT (15)
(W419)
CB409
IC407
5
8
IC408
8
5
1
4
IC409
1
4
8
5
1
4
CB411
W407B
FRONT (8)
(W407A)
METER unit
FRONT (4)
(Side A)
(Side A)
INPUT indicators
PHONO
TUNER
LINE 1
CD
BAL
G
H
Ref no. Location
Ref no. Location
Ref no. Location
D426
H3
D435
F3
IC406
H3
Q411
D427
H3
D436
F3
IC407
G3
Q414
D428
H3
IC401
B6
IC408
F3
Q415
D430
G3
IC402
D3
IC409
F3
Q416
D431
G3
IC403
I3
IC412
G3
Q417
D432
G3
IC404
I3
Q404
E3
Q418
D434
F3
IC405
H3
Q410
H3
Q419
IC404
8
5
IC406
IC405
8
5
8
5
1
4
IC412
8
5
1
4
1
4
1
4
CB410
CB402
CB404
FRONT (9)
METER unit
(W408)
FRONT (10)
(W409)
FRONT (5)
(Side A)
AUDIO MUTE
+5D
LED_CD
LED_TU
LED_LINE1
LED_LINE2
LED_BAL
LED_PHO
W403A
LED_MDIR
MAIN DIRECT
LINE 2
I
J
Ref no. Location
Ref no. Location
H3
Q420
E3
Q430
E3
F3
Q421
E3
Q435
H3
F3
Q423
F3
Q436
G3
H3
Q424
E3
H3
Q427
F3
E3
Q428
E3
E3
Q429
E3
FRONT (13)
(W412B)
+5LED_PWR
LED_PWR_RET
MG
REM
+5M
N_HP_DET
RY_HP
IC403
MG
8
5
-12D
1
4
HPL
HPGND
HPR
FRONT (12)
(W411A)
CB407
FRONT (11)
(W410)
FRONT (6)
(Side A)
PHONO
MM
MC
W404A

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