Accuphase A-60 - Master Circuit Diagram; Input Assembly Circuit; Power Amp Assembly Circuit; Protection Assembly Circuit

ORG
RED
GRY
YEL
BRN
WHT
ORG
BLK
ORG
ORG
YEL
1
2
3
4
5
VOLTAGE SELECTOR
510-2056-00
0.047u
250V
C001
82000u
63V
C003
82000u
63V
C004
-48V
VOLTAGE SELECTION TABLE
100V
230/240V
WHT
ORG
WHT.GRY
1
120V
220V
4 (～)
BRN.RED
2 (～)
YEL.ORG
RED
3
YEL
BRN
YEL.GRY
5
-
WHT.GRY
WHT
BRN
BRN YEL.GRY RED
RED
ORG
ORG
-
GRN
UNBALANCED
BALANCED
(1)GND
(2)COLD
(3)HOT
0.86V40k-OHM
0.86V20k-OHM
0V
100V
117V
0V
100V
117V
AC 20V
AC 46V
AC 20V
AC 46V
0V
F1
10A at 120V
5A at 230V
3
1
4
2
362-4101-00
RELAY001
ORG
!
!
Attention mark indicating critical components for safety.
Replacement must be made with identical parts of specified part number.
!
!
!
2 1
S001
354-1023-00
!
10A at 100V
GRY
AC 36.4V
AC 36.4V
0V
GRY RED VIO
REL+
AC 100/120V /230V
50/60Hz
VIO
GRN
GRY
RED
BLK
VIO
GRN
GRY
RED
BLK
GRN
AC 7.5V
0V
GRN
YEL
ORG
AC17V
REL-
L-ch.
R-ch.
BLK RED
VIO
+48V
W
BALANCED
(1)GND
(2)COLD
(3)HOT
0.86V40k-OHM
UNBALANCED
0.86V20k-OHM
+
-
+
-
R-ch. OUTPUT
L-ch. OUTPUT
60W/8Ω
120W/4Ω
240W/2Ω
L-ch. INPUTSR-ch. INPUTS
AC 46V
AC 46V
35mV
+
-
RED
BLK ORG WHT BLK
INPUT ASS'Y
716-0688
JK1
JK2
JK3
JK4
K1
K2
K3
K4
POWER AMP. ASS'Y
717-0081
POWER AMP. ASS'Y
717-0081
K1
K2
K3
K1
K2
K3
TP1
W1
TP1
DISPLAY ASS'Y
723-0097
LOGIC ASS'Y
721-0077
W2
W3
W4
W5
W1
W2
W3
W4
W5
PROTECTION ASS'Y
720-0070
K5
K6
K7
K8
K1
K2
K3
K4
313-1023-02
K9
K12
K13
K11
D1 S25VB60
10 2W
R1
DIODE (A) ASS'Y
716-0686
BRN
BLU
WHT
BRN
BLK WHT
IN-RUSH PROTECTOR ASS'Y
D & U :716-0685-01
K1
D1 S25VB60
0.1u 250V
C3
0.01u 250VC1
0.01u
250V
C2
1 2 3 4
K1
308-0408-00
18k 1/2W
R2
18k 1/2W
R1
DIODE (B) ASS'Y
716-0687
BLK
35mV
+
-
K1
TP2
TP2
313-1022-02
313-1023-02
313-1022-02
K7
K10
K3
K2
K4
K5
K1
K4
K3
K9
K10
LED(L) ASS'Y
723-0098
LED (R) ASS'Y
723-0099
K1
K1
LAMP ASS'Y
723-0100
K1
K6
S2 S3 S4
K6
K4
K4
BLK
W6
W6
METER Sw HOLD TIME Sw INPUT Sw GAIN Sw
GRN/YEL
K8
for Adjust
GRN
BLK
YEL
GRY
K5
BLK
S1
K2 K5 K7 K11
A - 6 0 M A S T E R C I P C U I T D I A G R A M
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1
7
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E: 716-0685-03
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