1
1
2
2
3
3
4
4
D
D
C
C
B
B
A
A
1
2
3
J106
5219-03A
C48
0.047u/275V
F1
C49 3300p/250V
C50
3300p/250V
C51
0.01u/250V
C52
0.01u/250V
1
2
3
4
J107
5219-04A
3
4
RL3A
AW3021
6
5
RL3B
1
2
3
U3
7824
C32 0.1u
R34
1/2W 150
1
8
+
-
RL3C
AW3021
D2
D3
R3
6
220
0
R58
22k
C34
1000u/25V
1
2
J108
5219-02A
F2
T5AL
F3
T5AL
DB1
DBF-60C
C30
10000u/50V
C31
10000u/50V
+B
-B
DB3
DBF-40C
C44
2200u50v
DB2
DBF-20C
D6
D5
C4
2
10
0u
/35V
D7
R40
3300
R38
1800
R39
150K
C4
3
22u/
35V
D8
1SS133
ZD1
RD6.2EB2
Q2
2SC1815Y
D4
R41 4700
R42
2200
1
2
3
4
J111
5045-04A
+B
C36
2200u35v
C39
2200/35V
C37
0.1u
C40
0.1u
1
2
3
U4
7815
2
1
3
U5
7915
C38
100u/25V
C41
100u/25V
+15V
-15V
1
2
3
4
5
6
7
8
9
10
J110
5045-10A
-15V
+15V
+5V
LES. POWER ON
FG
1
2
3
J101
5045-03A
R1
4700
R2
5600
C1
470p R3
56K
R4
15
00
R11
56K
C8
3p
R8
3W
0.
22
1
2
J102
5273-02A
PSW3
RXEF300
PSW1
RXEF185
PSW2
RXEF185
LES. POWER ON
SW
POWER SW
C2
0.047u TF
1
2
3
4
5
J103
5045-05A
R13
10k
C1
3
470
p
R1
4
220
0
C14
68p
R21 56K
C17
3p
R1
9
3W 0.
22
C12
2.2u/50V
R1
5
56
K
R1
6
18
00
C1
5
33u/
16V
C5
100
μ
/5
0V
R17
1/2w 100
C6
100
μ
/5
0V
R22
10K
C2
0
470p
R2
3
22
00
C21
68p
R29
56K
C24
3p
R2
8
3W 0.
22
C19
2.2u/50V
R2
4
56K
R2
5
180
0
C2
2
33
u/
16
V
C4
10
0u
/50V
R26
1/2W 100
C7
100
μ
/5
0V
C27
0.1u
R33 1/2W 4.7
+B
-B
1
2
3
4
J105
5045-04A
to EPH-123Primary
AC Line
Motor Power
Mute
Secondary
DC Output
Bass Input
Treb./Horn Input
Rotary Horn
Woofer
R44
2200
L2 3
μ
H
R12
1/2W 4.7
C10
0.1u
R10
1/2W 4.7
PGND
L4 3uH
R32
1/2W 4.7
L3 3uH
R30
1/2W 4.7
D11
1
2
3
4
5
J113
5045-05A
C3
0.47u TF
C28
C29
R45 33K
R20 330
1
1
2
3
4
5
6
Vio
0V Wht
100V Blu
120V Grn
0V Gry
100V Yel
120V Orn
Pri(1)
Pri(2)
2
8
0V Wht
NC
NC
1
2
8
1
2
3
4
5
6
7
9
TA
EPH-123
1
2
3
4
5
6
7
8
J109
5273-08A
Q1
2SA1015Y
R35
1K
3191-02R1
3191-09R1
100V
1
1
2
3
4
5
6
Vio
0V Wht
100V Blu
120V Grn
0V Gry
100V Yel
120V Orn
Pri(1)
Pri(2)
2
8
0V Wht
NC
NC
1
2
8
1
2
3
4
5
6
7
9
TA
EPH-123
3191-02R1
3191-09R1
120V
1
1
2
3
4
5
6
Vio
0V Wht
100V Blu
120V Grn
0V Gry
100V Yel
120V Orn
Pri(1)
Pri(2)
2
8
0V Wht
NC
NC
1
2
8
1
2
3
4
5
6
7
9
TA
EPH-123
3191-02R1
3191-09R1
220-230V
1
1
2
3
4
5
6
Vio
0V Wht
100V Blu
120V Grn
0V Gry
100V Yel
120V Orn
Pri(1)
Pri(2)
2
8
0V Wht
NC
NC
1
2
8
1
2
3
4
5
6
7
9
TA
EPH-123
3191-02R1
3191-09R1
230-240V
Voltge Select Plug
connect to J108
Critical components for safety
C48: R46KI2470M
C49 - C50: DE0910E332M-KX or DE1E3KX332MA5B
C51 - C52: DE1607F103M-KH or DE2D3KH103MA3B
F1:
T4AL(100V AREA) 218004
T3.15AL(120V AREA) 218003
T2AL(220-240V AREA) 218002
POWER SWITCH: ALPS SDDJF30200
RL3: AW3021
M1: FAN PUDC24Z4
GND
+37V
CONTROL GND
R IN
L IN
AG
IN
AG
HORN
GND
T1
EPH-122
ZD4
RD5.1EB2
Q4
2SC2655Y
ZD2
RD6.2EB2
+15V
D12
D 1-3, 5-7,9,10-15 : 1SR139-400
+24V
MGND
16
1
1
3
6
5
4
R50
10K
R49
10k
Q5
2SA1020Y
R47 120K
TH1
A
-
+
M1 FAN
PUDC24Z4
+15V
R48
1M
GND
3
VCC
1
IN
2
OUT
5
NC
4
U6
M51945B
D13
1
Not used
RED
BLK
LM
UM
C53
100u35v
LLA
LLA
1
2
3
4
5
6
7
8
34V Red
0V Blk
S
ec(
1)
34V Red
30V Orn
Sec(
2
)
0V Grey
17.5V Brn
0V Orn
Sec(
3)
17.5V Brn
TB
EPH-123
Ch.1 I
n
11
Ch.1 NF
12
Pre
+
Vcc
8
GND
10
Ch.1 +VE
4
Ch.1 -VE
5
+Vc
c
3
Ch.2 I
n
15
Ch.2 NF
14
Sub Gnd
9
Pre
-V
cc
1
Ch.2 -VE
7
Ch.2 +VE
6
-Vc
c
2
ST-BY
13
U1A STK433-330
Ch.
3 I
n
16
Ch.
3 NF
17
Ch.
3 -V
E
19
Ch.
3 +VE
18
U1B STK433-330
C9
68p
R6 4700
R46
1/2w220
R7
10K
AG
GND
R55
6800
Q6
2S
A970G
R
R5
3
56K
D16
1SS1
33
R5
1
56
K
R56
6800
Q7
2S
A9
70
GR
R5
4
56K
D17
1S
S133
R5
2
56
K
LSP
R5 100K
Q8
2SC1815Y
LSP
JP
D8,16-20 : 1SS133
1
2
3
U7
7824
C45
0.1u
C46
100u35v
JP
JUMPER
JP
JUMPER
JP
JUMPER
JP
JUMPER
C54
0.1u
R27
1k
R57
6800
Q9
2SA1015Y
D10
D9
C47
100/35v
-20v
-20v
R9 2200
R5
9
10K
R6
0
10K
1
2
3
4
J112
5045-04A
Q3
2SC2655Y
ZD5
RD15EB3
R37
4700
R43
4700
-15V
C11
22u/50V BPP
D20
1SS133
ZD7
RD15EB2
R62
220
D18
1SS133
ZD6
RD20EB2
R61
220
1
2
3
J114
B3B-PH
OverLoad LED
GND --
D1
1SS133
C23
33u/16V
D19
1SS133
HORN+
BASS+
C26
0.1u
R31 1/2W 4.7
1
2
3
4
J104
5273-04A
L SP
R SP
GND
GND
C3
5
10
0u
/16V
Q10
2SC1815Y
+20V
+20V
R64
1/2w1K
PGND
PGND
PGND
R63 1/2w1K
Not used
Not used
Not used
Not used
Not used
Not used
TH1 20K
TH1
#3300P, #3300WP
PWH-74C
00218-29203
#3300P, #3300WP
8-1
Power Amp & Supply