
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
N-100
N-100
N-100
N-100 OVERALL CIRCUIT DIAGRAM 2/3 (JACK, MAEQ, NET, NET2, PL, PN, PS)
,
: not installed
: Ceramic Capacitor
: Mylar Capacitor
Note : See parts list for details of circuit board component parts.
WARNING
Components having special characteristics are marked and must be replaced with parts having
specifications equel to those originally installed.
<Page 3>
Power indicator
Speaker L
(Woofer)
Speaker R
(Woofer)
Speaker L
(Squawker)
Speaker R
(Squawker)
MASTER
VOLUME
Panel cover switch
L
R
not installed
N.C.
N.C.
not
installed
not installed
not installed
not installed
REG12V
REG5V
Photo Coupler
AUX OUT
(LEVEL FIXED)
PHONES
MIDI
IN
OUT
not installed
POWER
TRANSFORMER
28CC1-8835032-1 2
28CC1-2001003899-1
28CC1-8834366-1 4
28CC1-8834366-1 4
28CC1-2001002657-1 2
28CC1-2001002657-1 2
28CC1-8812254-1
POWER Switch
TV-5
AC CORD
(1)
(2)
(3)
(4)
(5)
(6)
E, B
U
E, B
U
X6318A00
X6319A00
V-SEL *1
VOLTEGE-SELECTOR
TRANS SPECIFICATION
*1 MODEL SPECIFICATION
AC-IN *1
AC INLET
µ
PC2405AHF (XR607A00)
REG5V
MAEQ: IC002
1
2 3
3: OUTPUT
2: COMMON
1: INPUT
µ
PC24M12AHF-AZ (XU387A00)
REG12V
MAEQ: IC001
1
2 3
3: OUTPUT
2: GND
1: INPUT
D3SBA20 (VN011300)
DIODE STACK 4.0A 200V
DA204K (V3749000)
DIODE ARRAY 2A X2
1: CATHODE2
2: ANODE1
3: CATHODE1,
ANODE2
1
3
2
1
2
3
MA111 (VR496500)
DIODE
JACK: D1, 2
MAEQ: D0001, 0004-0006
1: ANODE
2: CATHODE
1
2
1SS355 TE-17 (VT332900)
DIODE
MAEQ: D0001, 0004-0006
1: ANODE
2: CATHODE
1
2
RLS-73 TE-11 (VV925900)
DIODE
1: ANODE
2: CATHODE
1
2
2SC2412K(VV556400)
TRANSISTOR
1
2
3
1: EMITTER
2: BASE
3: COLLECTOR
1
2
3
2SD0601ARL/AQL (V4767500)
TRANSISTOR
1: BASE
2: EMITTER
3: COLLECTOR
1
3
2
1
2
3
2SC2712 (VJ927100)
TRANSISTOR
1
3
2
1: BASE
2: EMITTER
3: COLLECTOR
1
2
3
2SC2712 (VV925400)
TRANSISTOR
JACK: TR5, 6
1
3
2
1: BASE
2: EMITTER
3: COLLECTOR
1
2
3