2
A
B
C
D
E
F
G
H
I
J
1
3
4
5
7
A-S1000
6
50
IC503
W5003B
W5005B
CB509
CB34
W6
CB27
W5009B
(Side A)
FRONT (4) P.C.B.
(Side A)
FRONT (7) P.C.B.
(Side A)
FRONT (5) P.C.B.
(Side A)
FRONT (6) P.C.B.
(Side A)
FRONT (11) P.C.B.
FRONT (3)
(W5003A)
MG
MVOL+
MVOL-
+12C
1
M +
2
3
DGND
+5STBY
I_VOL
NC
MG
I_ISEL
FRONT (3)
(W5005A)
+5C
DGND
MC+20V
MC-20V
MM+25V
MM-25V
A
GND
LED_TU
LED_PHO
LED_L1
LED_L2
LED_CD
NC
LED_MDIR
LED_MT
FRONT (1)
(W5006)
FRONT (3)
(W5009A)
I_MUTE
+5STBY
FRONT (10)
(W1001)
LINE1+25V
LINE2-25V
LINE2+25V
LINE2A
GND
V
OL1-12V
V
OL2+12V
V
OL2-12V
V
OL1+12V
V
O
LGND
V
O
LGND
LINE1-25V
LINE1GND
LINE1GND
60V
GND
60V
GND
FUNCTION (2)
(CB404)
PRV
+33V
-33V
AGND
60VGND
MAIN (3)
(W316)
1
10
VOLUME
AUDIO MUTE
indicator
MAIN DIRECT
LINE2
LINE1
CD
PHONO
TUNER
INPUT indicator
AUDIO MUTE
INPUT
• Semiconductor Location
D317
F5
D318
H5
D319
G5
D320
H5
D5028
I3
D5029
J3
D5030
I3
D5031
I2
D5032
I2
D5033
H2
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
F5
Q324
H5
Ref no. Location