NEVER COMPROMISE
TM
5
WTX500 Service Manual
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D
D
C
C
B
B
A
A
MODEL
:
TI
TL
E
:
PN
:
Version
:
S
he
et
Printed
01
/0
4/
20
13
1
1
of
W
TX500
Preamp
Section
1
53
01
.0
28
Tar
PN
:
D
ra
w
n
:
Checked
:
DH
DH
Ring
Sl
ee
ve
Tip
JK
1
40
VR1 W100K
Q
1
J112
R13
2K
7
R7 150R
R11 1M
R15
3K
3
-15V
Q
2
MP
SA56
R16 1K
R17 1K
2
3
1
U1A
TL
072
R4
2K
2
C7
33
pF
R10
1M
R14
330K
+
C5 2u
2F
40
VR2 W100K
2
3
1
U2A
TL
072
6
5
7
U1B
TL
072
R25
68K
R31
68K
R27
27K
R28 18K
R26 18K
R29 27K
R30 100K
Input
Gain
Enhance
C12 4n
7F
C13 22
nF
C14 2n
0F
R1 1Meg
Q
3
MP
SA56
R12 10K
C2 470pF
Q
4
MP
SA56
R19 10K
R21 100K
R20 10K
C8 10
nF
Q
7
MP
SA06
-15V
LE
D
1
R23
3K
3
C15
150pF
Pad
+15V
Ring
Sl
ee
ve
Tip
JK
3
Tuner O
ut
6
5
7
U8B TL
072
R93
22K
D98
1N4148
R94 47K
C54 10
nF
2
3
1
U8A TL
072
+
C1
2u
2F
C53
47
pF
Q
6
J174
R4A 1Meg
CR1
1N4148
R2 1Meg
+
C3
10
uF
R5
1K
CR2 1N4148
+
C4
2u
2F
R6
100K
R8
33K
R9 11K
+
C6
2u
2F
VR1
SW
+
C10
10
uF
R18
10K
Q
5
J112
CR4
1N4148
+
C11
2u
2F
CR3
1N4148
R22
100K
-15V
Ring
Sl
ee
ve
Tip
J5A
K
1
CR5
1N4148
C9
10
nF
-15V
1
2
3
P2
1
2
3
P2H
Header 3
Footswitch
+15V
1 2 3 4
P7H
H
ea
de
r 4
H
1 2 3 4
P7
N/C
VR5
SW
S6 Mute
R99 3M3
+15V
R188
6K
8
LED10 Mute
-15V
C13A 820pF
N/C
1
2
3
4
5
6
P3H H
ea
de
r 6
H
1
2
3
4
5
6
P3
2
3
1
U4A TL
072
CR8
1N4148
R51
12K
C31 22
pF
40
V
R
1A
W10K
6
5
7
U4B
TL
072
R52
12K
R53
680R
R54
680R
+
C33
10
uF
+
C32
10
uF
R56 100K
R55 100K
S1 Grnd L
ift
1
2
3
4
P1H H
ea
de
r 4
H
1
2
3
4
P1
40
VR4 W10K
R92 22K
R96 12K
Q99 J174
R95 47K
C55 4n
7F
R97 12K
Q98 J174
+
C52 4u
7F
+
C17
1uF
R32
15K
40
VR3 W100K
R34
15K
C21
100pF
R33 56K
Bass
Middle
C18
27
nF
C19 2n
2F
R35 8K
2
40
VR5 W100K
R91
220K
Treble
+15V
R199
10K
R198
100K
C198 10
nF
VR2
SW
Comp
On/O
ff
VR4
SW
+
C22
4u
7F
2
3
1
U3A TL
072
6
5
7
U3B TL
072
Q
8
MP
SA56
R37
1K
Q
9
MP
SA56
R38 1K
CR6
1N4148
+
C23 10
uF
R39
22K
-15V
OP
1
R36 2K
4
R40 22K
R43
47K
C24
47
pF
R42
12K
R45 6K
8
+
C25 0.47uF
VR3
SW
R44
390K
+
C26 0.47uF
R41 10K
+
C27
1uF
R46 3K
3
C28
100nF
C29
100nF
CR7
1N4148
R47
15K
R48
180K
Ring
Sl
ee
ve
Tip
J5
Ring
Sl
ee
ve
Tip
J4
Ring
Sl
ee
ve
Tip
J3
Ring
Sl
ee
ve
Tip
J2
2
3
1
U5A TL
072
6
5
7
U5B TL
072
R66
10K
R64 10K
CR12
1N4148
-15V
CR11
1N4148
+15V
+
C36
10
uF
+
C35
10
uF
R62 1Meg
R59 1Meg
R60
47K
R61
47K
R68 10K
+
C34
10
uF
R58 1Meg
R50 1Meg
Send
Retur
n
Right
Aux In
Left A
ux In
R57
22K
CR10
1N4148
CR9
1N4148
+15V
-15V
R65
10K
R63 10K
R67
10K
+
C50
3u
3F
R98 1Meg
1 2 3 4 5 6
P5
1 2 3 4 5 6
P5H
R49
1K
+
C30
10
uF
-15V
+15V
40
VR6 W100K
R88
12K
R89 51K
+
C51 3u
3F
2
3
1
U6A TL
072
R90 8K
2
R69
18K
C37
68
pF
+
C38
2u
2F
R73
18K
6
5
7
U6B TL
072
Q10 J112
20K
VR7
C40
68
pF
R76
100K
R71
1Meg
R70 150R
R72 1Meg
R75
330K
-15V
+
C39 2u
2F
R74
3K
3
Q11
MP
SA56
Q12 MP
SA56
R87
2K
7
R77 3K
3
R79 8K
2
R78 10K
Q13
MP
SA56
C42 10
nF
R81
100K
Q14 MP
SA56
-15V
+
C43 10
uF
R83
3K
3
LE
D
2
Lim
it
2
3
1
U7A TL
072
+
C41
10
uF
R80
8K
2
CR15
1N4148
R82
12K
6
5
7
U7B TL
072
1
2
3
4
5
6
P6H
R86
1K
+
C45
10
uF
R85 1K
R84
12K
+
C44 10
uF
-15V
+15V
1
2
3
4
5
6
P6
1 2 3 4 5 6 7 8
P102
1 2 3
P103
Vin
Vout
GND
7815
Vin
Vout
GND
7915
100nF
100nF
100nF
100nF
Q1A J174
R7A 47K
R6A 22K
+15V
+
C1A 47
uF
Ring
Sl
ee
ve
Tip
J3A
Ring
Sl
ee
ve
Tip
J4A
1 2 3 4
P101
Ring
Sl
ee
ve
Tip
J2A
Phones
Outputs
R3A
56R
R4B
56R
+
C2A 47
uF
R2A 270R
Pow
er
Mod
ule
+15V
R100
3K
9
1
2
P100H
1
2
P100
-15V
LEDF
100
1
2
P8
To Fan
+
35V
C56
1000uF
-15V
R69A 270R 2W
+15V
Enable
