ALLEN & HEATH PA Series - Digital and External Connections; SPDIF Explained; Patching Speaker Processors

Kernick Industrial Estate,
Penryn, Cornwall,
England. TR10 9LU
+44 (0)8707 556250
+44 (0)8707 556251
2.1
PA Series Foldback/Phones pcb
C4792 1 2
PAGE:
TITLE:
DRG No: ISSUE: SHEET: OF
ISSUE BY DATE
FILE: C4792_2.1P1.Sch 16:04:25 29-Jul-2003
ALLEN&HEATH
Tel:
Fax:
PRINTED:
ABCDEFGH
a
b
c
d
e
C18
100N_S
R30
220K 0805
R29
27K 0805
+5V
PFL_ON_L
PFL_DET
A
14
11
13
12
U1A
74HCT4053
2
1
10
15
B
U1B
74HCT4053
5
3
9
4
C
U1C
74HCT4053
INH
6
VEE
7
VSS
8
VDD
16
U1D
74HCT4053
R31
5K6 0805
R33
5K6 0805
R32
6K8 1% 0805
R34
100K 1% 0805
C19
100/6.3
R35
10K 1% 0805
C20
CAP SM 33PF
C24
CAP SM 33PF
R42
10K 1% 0805
2
1
3
SW1A
SW2PCOL (SPUN)
LEFT_OUT
2TRK_L
C21
47/25
C22
47/25
5
4
6
SW1B
SW2PCOL (SPUN)
RIGHT_OUT
2TRK_R
C23
47/25
PFL_BUS
PFL_ON_L
PFL_ON_L
3
2
1
U3A
TL072D SMD
C26
CAP SM 33PF
R43
10K 1% 0805
5
6
7
U3B
TL072D SMD
1 6
4
VR5A
POT14 20KK X2
2 5
3
VR5B
POT14 20KK X2
8 9
BRKT
VR5C
POT14 20KK X2
3
2
1
U4A
NE5532 SMD
5
6
7
U4B
NE5532 SMD
R49
22K 0805
R44
2K2 1% 0805
C25
47/25
R46
33R 1% 0805
R47
33R 1% 0805
C29
1000/6.3
PHONES_L
R28
4K7 1% 0805
3
2
1
U5A
NE5532 SMD
5
6
7
U5B
NE5532 SMD
R50
22K 0805
R45
2K2 1% 0805
C27
47/25
R48
33R 1% 0805
R51
33R 1% 0805
C28
1000/6.3
PHONES_R
+17VA
+17VA
-17VA
LMF_OUT_A
HMF_OUT_A
T
R
CN3
JACK SLIMJACK MET SW6
T
R
CN4
JACK SLIMJACK MET SW6
R23
68R 0805
PHONES_L
MONO_OUT
PHONES_R
T
R
CN1
JACK SLIMJACK MET SW6
R21
68R 0805
FB1_OUT
T
R
CN2
JACK SLIMJACK MET SW6
R25
68R 0805
FB2_OUT
R9
100K 1% 0805
C8
CAP SM 33PF
C9
CAP SM 33PF
FB1
P1
RED
P2
GRN
P3
YEL
2
1
3
SW2A
SW2PCOL (SPUN)
R17
6K8 1% 0805
FB1_OUT
+17VA
1
1
2
2
3
3
4
4
16
16
5
5
15
15
6
6
14
14
7
7
13
13
8
8
12
12
9
9
11
11
10
10
CN5
BOX 8X2 M 90 DEG
R26
10R PF RAD
R27
10R PF RAD
C14
47/25
C15
47/25
PFL_DET
+48V PFL_BUS FB1 FB2 AUX1 FX MIXL MIXR
V-
V+
-17VA
+17VA
C16
100N_S
C17
100N_S
2
1
3
SW3A
SW2PCOL (SPUN)
5
4 6
SW3B
SW2PCOL (SPUN)
+17VA
PFL_DET
C10
47/25
R13
47K 0805
PFL_BUS
+5V
METER_L
METER_R
5 6
BRKT
VR1B
POT11 200KC X2 D/G
5 6
BRKT
VR2B
POT11 20KB C/D
5 6
BRKT
VR3B
POT11 200KC X2 D/G
5 6
BRKT
VR4B
POT11 20KB C/D
3
2
1
U2A
TL072D SMD
5
6
7
U2B
TL072D SMD
V-
4
V+
8
U2C
TL072D SMD
V-
4
V+
8
U3C
TL072D SMD
V-
4
V+
8
U4C
NE5532 SMD
V-
4
V+
8
U5C
NE5532 SMD
V-
4
V+
8
U6C
TL072D SMD
V-
4
V+
8
U10C
TL072D SMD
R11
10K 1% 0805
R12
10K 1% 0805
TO_MONO_OUT
MONO_OUT
C11
47/25
C13
47/25
C12
47/25
R20
68R 0805
R22
68R 0805
R24
68R 0805
5
4
6
SW2B
SW2PCOL (SPUN)
GC
ORIGIN
A JB 7/3/02
B JB 29/4/02
Q1
BC848B
D1
BAS16
R19
3K3 1% 0805
C32
47/25
R74
47K 0805
13
2
VR2A
POT11 20KB C/D
1
3 2
VR1A
POT11 200KC X2 D/G
3
2
1
U6A
TL072D SMD
5
6
7
U6B
TL072D SMD
R1
10K 1% 0805
R2
10K 1% 0805
C1
22P_S
R6
10K 1% 0805
LMF_OUT_B
HMF_OUT_B
13
2
VR4A
POT11 20KB C/D
1
3 2
VR3A
POT11 200KC X2 D/G
R75
10K 1% 0805
R76
10K 1% 0805
C4
22P_S
3
2
1
U12A
TL072D SMD
5
6
7
U12B
TL072D SMD
R80
10K 1% 0805
V-
4
V+
8
U12C
TL072D SMD
LD2
LED RECT 5X2.5MM TOMB RED
C AAT 01-05-02
LD3
LED T1 3MM RED
LD1
LED 5MM RED
R18
22K 0805
R16
22K 0805
R36
10K 1% 0805
R37
10K 1% 0805
R38
22K 1% 0805
R39
22K 1% 0805
R40
22K 1% 0805
R41
22K 1% 0805
C33
47/25
C34
47/25
R85
0R0 0805
R84
NF 0805
C2
1N5_S
C5
1N5_S
R3
10K 1% 0805
R4
10K 1% 0805
R77
10K 1% 0805
R78
10K 1% 0805
R79
2K7 0805
R5
2K7 0805
R7
10K 1% 0805
R81
10K 1% 0805
R8
15K 0805
R82
15K 0805
C3
1N5_S
C6
1N5_S
GC
GC
GC
R10
27K 1% 0805
R83
NF 0805
1 AAT 24-07-02
3
2
1
U11A
TL072D SMD
5
6
7
U11B
TL072D SMD
V-
4
V+
8
U11C
TL072D SMD
R15
15K 1% 0805
R14
47K 0805
2 MG 21-10-02
2.1 MG 07-07-03
C7
1000/6.3