Yamaha AS2000BL Service Manual page 54

A B
A-S2000
1
FRONT (4) P.C.B. (Side A)
VOLUME
2
+12C
1 2
3
DGND
1
+5STBY
I_VOL
MG
MVOL+
MVOL-
FRONT (3)
(W5003A)
10
M +
4
FRONT (7) P.C.B.
(Side A)
5
FRONT (3)
(W5009A)
W5009B
6
7
MM MC
PHONO
54
C D
FRONT (5) P.C.B.
FRONT (3)
(W5005A)
I_ISEL
MG
NC
3
FRONT (8) P.C.B.
(Side A)
FRONT (3)
(W5007A)
W5007B
AUDIO MUTE
E F G
(Side A)
INPUT
FRONT (1)
(W5006)
FRONT (11) P.C.B.
(Side A)
PRV
+33V
AGND
-33V
60VGND
MAIN (3)
(W316)
FUNCTION (2)
(CB404)
H I
FRONT (6) P.C.B. (Side A)
LED_MT
LED_MDIR
LED_PHO
LED_BAL
LED_L2
LED_L1
LED_TU
LED_CD
DGND
+5C
• Semiconductor Location
FRONT (10)
(W1001)
CB27
W6
J
Ref no. Location
D317 F5
D318 H5
D319 G5
D320 H5
D5028 I3
D5029 J3
D5030 I3
D5031 I2
D5032 I2
D5033 H2
D5034 I3
D5035 I2
IC503 B3
Q303 G5
Q304 H5
Q307 G5
Q308 H6
Q311 G6
Q312 H5
Q313 G6
Q314 H6
Q315 G6
Q316 H6
Q317 G6
Q319 H6
Q320 G5
Q321 H5
Q323 G5
Q324 H5