Accuphase E-308 - E-308 page18_Bal In&Connector&etc

R8
2052F
R7
2052F
C2 200
C1 200
C3
100
C4
100
+12Va
-12Va
C6 101 /1E C5 101 /1E
2 3
1
84
IC1A UPC4570C
6 5
7
IC1B UPC4570C
R20
2052F
R19
2052F
C8 200
C7 200
C9
100
C10
100
+12Vb
-12Vb
C12 101 /1E C11 101 /1E
R24 203
R23 203
2 3
1
84
IC2A UPC4570C
6 5
7
IC2B UPC4570C
CD BAL LINE BAL
2
3
1
1G
JK2
302-8011-00
2
3
1
1G
JK1
302-8011-00
2
3
1
1G
JK4
302-8011-00
2
3
1
1G
JK3
302-8011-00
R L R L
1
4
6
8
16
13
11
9
RELAY2
362-1212-00
1
4
6
8
16
13
11
9
RELAY1 362-1212-00
R25 101 R26 101
C16 220 /1H
C15 220 /1H
+12Va
-12Va
D1
MA165
D2
MA165
1 2 3
K3 308-0306-00
BALR AGND BALL
to IO RELAY K3
+12V -12V +12VD /CDBAL /LINEBAL
to LINE K3
to LOGIC K11
1 2 3 4
K1 308-0407-00
AGND
1 2
K2 308-0206-00
R4
203
R10
471
R12 203
R2 103
R6 103
R3 203
R9 471
R11 203
R1
103
R5
103
R16
203
R22
471
R14
103
R18 103
R15
203
R21
471
R13
103
R17 103
C14 220 /1H
C13 220 /1H
R27 101 R28 101
+12Vb
-12Vb
C18 223 C17 223 C20 223 C19 223
- 1 8 -
E
-
3
0
8
B
A
L
A
N
C
E
I
N
P
U
T
A
M
P
A
S
S
'
Y
(
7
1
2
-
0
0
9
2
-
0
0
)
1a
1b
2a
2b
3a
3b
4a
4b
5a
5b
6a
6b
7a
7b
8a
8b
9a
9b
10a 10b 11a 11b 12a 12b 13a 13b 14a 14b 15a 15b 16a 16b
K1 307-3204-00
REG REG REG REG SEL REG +5V +5V R-IN R-IN AGND AGND L-IN L-IN -15V -15V GND GND +15V +15V R-OUT R-OUT AGND AGND L-OUT L-OUT DGND DGND ST1 ST3 ST0 ST2 for Option Board 1
1a
1b
2a
2b
3a
3b
4a
4b
5a
5b
6a
6b
7a
7b
8a
8b
9a
9b
10a 10b 11a 11b 12a 12b 13a 13b 14a 14b 15a 15b 16a 16b
K2 307-3204-00
REG REG REG REG SEL REG +5V +5V R-IN R-IN AGND AGND L-IN L-IN -15V -15V GND GND +15V +15V R-OUT R-OUT AGND AGND L-OUT L-OUT DGND DGND ST1 ST3 ST0 ST2 for Option Board 2
1 2 3 4 5
10
9 8 7 6
RELAY1 362-1202-00
D3 MA165
1 2 3 4 5
10
9 8 7 6
RELAY2 362-1202-00
D4 MA165
from IO Relay K2
/OPTION2
/OPTION1
OP-R
OP-L
-12V
+12V
-12V
+12V
+12rV +12rV
+12VD
+12rV
+5V +5V
+5V
+12V
-12V
+5V -12V+12V
D1 RD5.1EB1
D2 RD5.1EB1
from LINE K3
AGND
R2 134
2C
1
2
3
4
5
6
K4
308-0606-00
R1 134
2C
1
2
3
4
5
K3
308-0508-00
AGND
AGND
R3 331
R4 331
(
7
1
6
-
0
6
7
3
-
0
0
)
TS1 369-0032-00
!
!
Attention mark indicating critical components for safety.
Replacement must be made with identical parts of specified part number.
CAUTION
1 2
K1
308-0234-00
to TONE K2
T
H
E
R
M
A
L
S
W
I
T
C
H
A
S
S
'
Y
(
7
1
6
-
0
6
7
5
-
0
0
)
C
O
N
N
E
C
T
O
R
B
O
A
R
D
A
S
S
'
Y
AC13V
/RCON
DGND
VCC
C1 470 /0J
PL2
176-3501-00
PL1
176-3501-00
PL3
176-3501-00
from LOGIC K6
G
4
G
2
O
1
G
5
V
3
IC1 NJL62H380A
DGND
R2 470
R1 131 3F
1
2
3
4
5
K1
308-0530-00
R
E
C
E
I
V
E
R
A
S
S
'
Y
(
7
2
1
-
0
0
7
6
-
0
0
)
0V AC 12.5V
PL1
176-4501-10
PL2
176-4501-10
from Logic Ass'y K3
1 2
K1
308-0209-00
L
A
M
P
A
S
S
'
Y
(
7
2
3
-
0
0
9
3
-
0
0
)