2
A
B
C
D
E
F
G
H
I
J
1
3
4
5
7
A-S1000
6
48
W5003A
W5009A
W5005A
W5008
CB504
CB503
JK501
CB517
CB521
CB519
CB515
IC505
IC502
W5002
CB507
IC504
W5006
CB512
CB501
IC501
W5004
POINT
A-1 XL501 (Pin 23 of IC502)
POINT
A-2 1 / Pin 1, 2 / Pin 3 of CB501
1
CB501 (+5V)
POWER ON
POWER OFF
CB501 (/RES) 2
1
CB501 (+5V)
CB501 (/RES) 2
POWER ON
A-1
A-2
1
2
(Side A)
FRONT (1) P.C.B.
(Side A)
FRONT (2) P.C.B.
(Side A)
FRONT (3) P.C.B.
(Side A)
FRONT (9) P.C.B.
R
Y_DIR
MG
R
Y_BYP
EV1_MT
EV1_CE
EV2_CE
EV1_CL
EV2_CL
EV1_D
A
EV2_D
A
MT_M
-12R
Y
SW_TRE
SW_BAS
FUNCTION (2)
(W4004)
(Writing port)
MAIN (2)
(W203)
PRDL
+5M
MG
REM
NC
SP_AB
I_HP
R
Y_HP
-12C
LED_PWR
+5M
PRIL
PRIR
HPPRDL
HPPRDR
THML
THMR
MG
+5M
PRDR
R
Y_CD
R
Y_TU
R
Y_L1
R
Y_UNBAL
R
Y_MMMC
I_MMMC
+5C
DGND
LED_TU
LED_PHO
LED_L1
LED_L2
LED_CD
NC
LED_MDIR
LED_MT
I_CNTR
I_LRBAL
I_BAS
I_TRE
MG
+5STBY
I_MMMC
I_MUTE
I_ISEL
MVOL-
DGND
MVOL+
I_VOL
+12C
R
Y_PHOND
MG
R
Y_L2
MT_PRE
MT_REC
R
Y_BAL
I_BALGAIN
FUNCTION (1)
(W3004)
FRONT (6)
(CB509)
FRONT (4)
(W5003B)
FRONT (7)
(W5009B)
+5M
MG
REM
NC
SP_AB
I_HP
R
Y_HP
-12C
HPL
HPR
HPG
LED_PWR
+5M
I_CNTR
I_MUTE
+5STBY
NC
MG
I_ISEL
MG
MV
OL+
MV
OL-
+12C
DGND
+5STBY
I_V
OL
I_LRBAL
I_BAS
I_TRE
MG
+5STBY
I_MMMC
I_MUTE
I_ISEL
MV
OL-
DGND
MV
OL+
I_V
O
L
+12C
+5M
PDET
/RES
PRV
RY_SPA
PSAV1
PSAV2
RY_SPB
RY_PWR
MG
MG
DGND
9V
+12C
-12C
FUNCTION (3)
(W1)
FRONT (5)
(W5005B)
FUNCTION (2)
(W4005)
1
1
12
24
13
8
9
1
1
16
17
32
33
48
49
64
3
4
16
BALANCE
SPEAKERS
A+B
BI-WIRING
B
A
OFF
PHONES
L
R
-
+
-
+
TREBLE
POWER
indicator
BASS
D5001
G3
D5005
G3
D5008
I3
D5010
D4
D5027
A6
IC501
E4
IC502
C4
IC504
E3
IC505
E4
Q5005
E4
Q5010
D3
Q5011
B4
Q5012
C3
Q5017
D3
Q5018
C3
Q5021
D3
Q5024
E3
Q5025
D3
Q5029
D3
Q5030
B5
Q5032
E3
Q5034
D3
• Semiconductor Location
Ref no. Location Ref no. Location