Yorkville AP4K - Manual (Page 17)

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K K
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C C
B B
A A
Product(s):
M1575 2 5 Sheet Of PCB#: Rev#: V01
Potentiometer and LED VU Board Description:
AP4K Yorkville Sound Ltd.
550 Granite Court
Pickering, ON
Canada L1W 3Y8
www.yorkville.com
EML Rev#: 01
PreAmp.SchDoc Modified: File: 8/29/2013 Tmp Date: 03/15/2013
ASIG
A_LIMIT_SEND
SHUTDOWN_A
-B_SIG
B_SIG
-A_SIG
A_SIG
B_SIG
BTEMP
-B_SIG
B_LIMIT
SHUTDOWN_B
-A_SIG
A_SIG
A_LIMIT
SHUTDOWN_A
B_SIG
LIMIT_B_SEND
B_CLIP_SEND
A_LIMIT_SEND
A_CLIP_SEND
BTEMP
ATEMP
NET00250
ASIG
LIMIT_B_SEND
SHUTDOWN_B
ATEMP
A_SIG
BSIG
BSIG
W125
47K
R6B
50V 180P
C55A
63V 330N
C39B
1/8W
10K0
R92
B
_
C
L
IP
_
S
E
N
D
6
3
W12C
6
5
W12E
6
2
W8B
6
4
W8D
9
9
W20I
9
7
W20G
9
4
W20D
9
2
W20B
8
2
W1B
8
4
W1D
8
7
W1G
MMBT3906LT1
Q22B
35V
10U
C3B
W125
100K
R56B
35V
10U
C3A
1/8W
8K25
R5B
0.1W
18K2
R8B
1/8W
15K0
R12B
1/8W
8K25
R5A
0.1W
18K2
R8A
W125
2K2
R100
50V 180P
C55B
1
/8
W
10K0
R7B
1/8W
15K0
R15B
1/8W
10M
R11B
1
/8
W
10K0
R7A
1/8W
15K0
R15A
1/8W
475K
R96
W
1
2
5
4K7
R92B
W
1
2
5
33K
R90B
1/8W
100R
R9B
1/8W
100R
R10B
63V
680N
C75
63V 330N
C39A
W
1
2
5
33K
R90A
1/8W
100R
R10A
1/8W
100R
R9A
1/8W
475K
R97
CDSF4148
D40B
W
1
2
5
33K
R91B
4PDT MINI
3440
NO
COM
NC
S4B
CDSF4148
D40A
1N 50V
C46
1/8W
10K0
R61
W125
33K
R68
1/8W
10K0
R4
1/8W
10K0
R3
1N
50V
C53
W125
33K
R69
1/8W
27K4
R64
CDSF4148
D31
1/8W
27K4
R65
CDSF4148
D30
1
/8
W
249R0
R63
A_CLIP_SEND
6
2
W12B
6
1
W12A
6
1
W8A
6
3
W8C
6
4
W12D
6
6
W12F
9
8
W20H
9
6
W20F
9
5
W20E
6
5
W8E 9
3
W20C
1
9 W20A
8
1
W1A
8
3
W1C
8
6
W1F
8
8
W1H
8
5
W1E
MMBT3906LT1
Q22A
7805
W125
100K
R56A
W125
2K2
R98
1/8W
15K0
R12A
1/8W
10M
R11A
63V
680N
C77
1/8W
475K
R94
W
1
2
5
4K7
R92A
MC33079D
+
5
-
6
7
U15B
1/8W
475K
R95
MC33079D
+
12
-
13
14
U15D
W
1
2
5
33K
R91A
100N 100V
C60
1/8W
249R0
R62
63V 330N
C31B
63V 680N
C38B
W
1
2
5
100K
R79B
W125
47K
R6A
W
1
2
5
100K
R79A
20K R/A
Volume B
2340
T B
P2A
50V 180P
C4B
LM13700MX
BIAS
15 12
+
14
-
13
16
U2BB
1/8W
10K0
R93
63V
680N
C76
20Hz/50Hz
4PDT MINI
3440
NO
COM
NC
S4A
63V 330N
C31A
TL072
+
5
-
6
7
U14B
63V 680N
C38A
50V 180P
C4A
LM13700MX
BIAS
15 12
+
14
-
13
16
U2AB
10V0
ZD11
16V 33U
C42
1/8W
10K0
R60
W125
4K7
R66
MMBT3904
Q34
MMBT3904
Q33
DOWN
UP
Limiter In/Out
3522
NO
COM
NC
S5A
63V
100N
C25B
DOWN
UP
Limiter In/Out
3522
NO
COM
NC
S5B
63V
100N
C25A
4PDT MINI
3440
NO
COM
NC
S4D
63V
680N
C78
20Hz/50Hz
4PDT MINI
3440
NO
COM
NC
S4C
TL072
+
3
-
2
1
U14A
Stereo/Bridge
DPDT MINI
3522
NO
COM
NC
S2A
MC33079D
+
5
-
6
7
U13B
100N 100V
C58
20K R/A
Volume A
2340
T B
P1A
MC33079D
+
10
-
9
8
U7C
MC33079D
+
10
-
9
8
U13C
NET00002
NET00004
NET00005
NET00008
NET00010
NET00011
NET00012
NET00058
NET00073
N E T0
0 0 7 7
NE T0 00 89
NE T0 00 91
NET00102
NET00104
NET00115
NET00122
NET00123
NET00167
NET00187
NET00190
NET00191
NET00193
NET00196
NET00217
NET00218
NET00219
NET00221
N E T0
0 2 2 2
NET00223
NET00224
NET00225
NET00226
NET00227
NET00228
NET00229
NET00230
NET00231
NETB00004
NETB00005
NETB00008
NETB00010
N E T B 0 0 0 1 1
NETB00012
NETB00121
NETB00122
1/8W
10M
R100A
1/8W
10M
R100B
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+15V
+15V
+15V -15V
+15V
-15V
+15V -15V
+15V
+15V
+15V
LM13700MX
BIAS
2 5
+
3
-
4
1
U2AA
LM13700MX
BIAS
2 5
+
3
-
4
1
U2BA
1/8W
15K0
R150A
1/8W
100R
R105A
1/8W
100R
R96A
1/8W
10M
R110A
1/8W
10M
R101A
1/8W
15K0
R150B
1/8W
100R
R102B
1/8W
100R
R96B
1/8W
10M
R110B
1/8W
10M
R101B
1/8W
15K0
R120A
1/8W
15K0
R122B
1
/8
W
100R
R95A
1
/8
W
100R
R97A
1
/8
W
100R
R95B
1
/8
W
100R
R97B
GND
GND
1
/8
W
10K0
R70A
1
/8
W
10K0
R70B
0.1W
18K2
R80B
50V 180P
C40B
W125
47K
R60B
0.1W
18K2
R80A
50V 180P
C40A
W125
47K
R60A
Stereo/Bridge
DPDT MINI
3522
NO
COM
NC
S2B
CDSF4148
D100
CDSF4148
D101
1
/8
W
10K0
R4A2
W
1
2
5
1K5
R71
MMBT3906LT1
Q37
BTEMP
ATEMP NET00250
+15V
-15V
MC33079D
+
3
-
2
1
U15A
MC33079D
+
3
-
2
1
U7A
MC33079D
+
12
-
13
14
U7D
MMBT3904
Q51B
MMBT3904
Q53B
MMBT3904
Q52B
MMBT3906LT1
Q50B
CDSF4148
D201B
CDSF4148
D200B
CDSF4148
D202B
CDSF4148
D203B CDSF4148
D204B
CDSF4148
D207B
CDSF4148
D208B
CDSF4148
D205B CDSF4148
D206B
W125
47K
R205B
1
/8
W
10K0
R209B
1
/8
W
10K0
R208B
W125
47K
R204B
1/8W
10K0
R203B
1
/8
W
1K0
R201B
1
/8
W
1K0
R202B
1/8W
10K0
R200B
1
/8
W
2K0
R206B
1/8W
2K0
R207B
1/8W
10K0
R210B
W100
220K
R212B
16V
33U
C200B
50V 100P
C201B
50V 100P
C202B
100V 100N
C203B
GND
1
/8
W
10K0
R211B
+15V GND
NET00500
MC33079D
+
10
-
9
8
U15C
MC33079D
+
12
-
13
14
U13D
MC33079D
+
3
-
2
1
U13A
MMBT3904
Q51A
MMBT3904
Q53A
MMBT3904
Q52A
MMBT3906LT1
Q50A
CDSF4148
D201A
CDSF4148
D200A
C
D
S
F
4
1
4
8
D
2
0
2
A
CDSF4148
D203A
CDSF4148
D204A
CDSF4148
D207A
CDSF4148
D208A
CDSF4148
D205A
CDSF4148
D206A
16V0
ZD200A
16V0
ZD201A
W125
47K
R205A
1
/8
W
10K0
R209A
1
/8
W
10K0
R208A
W125
47K
R204A
1/8W
10K0
R203A
1
/8
W
1K0
R201A
1
/8
W
1K0
R202A
1/8W
10K0
R200A
1
/8
W
2K0
R206A
1/8W
2K0
R207A
1/8W
10K0
R210A
W100
220K
R212A
16V
33U
C200A
50V 100P
C202A
50V 100P
C201A
100V 100N
C204A
GND
1
/8
W
10K0
R211A
BTEMP ATEMP
A_LIMIT
+15V
GND
GND
B_LIMIT
GND
6
6
W8F
NET00073
50V 100P
C205
SHUTDOWN_B
SH
UT
DO
W N_
B
SHUTDOWN_A
SH
UT
DO
W
N_
A
50V 100P
C206
47P
50V
C207
47P 50V
C208
W
1
2
5
68K
R215A
W
1
2
5
68K
R215B
50V 470P
C215A
50V 470P
C215B
W20
W1
W8
W12
To W1D on display board.
See sheet 2.