Kernick Industrial Estate,
Penryn, Cornwall,
England. TR10 9LU
+44 (0)1326 372070
+44 (0)1326 370153
3
ZED MASTER
C6748
1
3
PAGE:
TITLE:
DRG No:
ISSUE:
SHEET:
OF
ISSUE BY
DATE
FILE: C6748_3P1.Sch
14:45:08
3-Jul-2007
ALLEN&HEATH
Tel:
Fax:
PRINTED:
A
B
C
D
E
F
G
H
a
b
c
d
e
CHK
BY
* All parts to be RoHS Compliant *
A
MG
02/05/06
V-
4
V+
8
U2C
TL072D SMD
V-
4
V+
8
U1C
TL072D SMD
+15V
-15V
1
3
2
VR3A
POT11 20KK
R5
10K 1% 0805
R30
22K 1% 0805
3
2
1
U2A
TL072D SMD
C3
33P 0805
R24
75R 1% 0805
C7
47/25
R32
47K 0805
AUX1_OUT
1
3
2
VR4A
POT11 20KK
R7
10K 1% 0805
R31
22K 1% 0805
5
6
7
U2B
TL072D SMD
C4
33P 0805
R25
75R 1% 0805
C8
47/25
R33
47K 0805
AUX2_OUT
T
R
CN1
JACK HEADPHONE SW6 (LOCO)
T
R
CN2
JACK HEADPHONE SW6 (LOCO)
T
R
CN3
JACK HEADPHONE SW6 (LOCO)
INSRET_L
INSRET_R
MON_SEL_R
MON_SEL_L
1
6
4
VR2A
POT14 20KK X2
2
5
3
VR2B
POT14 20KK X2
8
9
BRKT
VR2C
POT14 20KK X2
5
6
7
U1B
TL072D SMD
R1
10K 1% 0805
R3
10K 1% 0805
C1
33P 0805
R21
75R 1% 0805
3
2
1
U1A
TL072D SMD
R2
10K 1% 0805
R4
10K 1% 0805
C2
33P 0805
R22
75R 1% 0805
ALT_OUT_L
ALT_OUT_R
5
6
BRKT
VR3B
POT11 20KK
5
6
BRKT
VR4B
POT11 20KK
INSEND_L
INSEND_R
INSRET_R
INSRET_L
MONO_OUT
R23
75R 1% 0805
IN
SR
ET_
L
INSR
ET_
R
MIXL_POST
M
IXR_POST
ALT_OUT_L
ALT_OUT_R
HEADPHONES_R
HEADPHONES_L
USB_IN_L 2T
RK_RT
N
_L
USB_IN_R 2T
RK_RT
N
_R
M
ETER
_R
AUX2_PRE
AUX1_PRE
AUX1_PRE
AUX2_PRE
LD2
LED T1 3MM BLUE
R6
47K 0805
+15V
INSEND_L
INSEND_R
MIXL_POST
MIXR_POST
AUX1_OUT
AUX2_OUT
20
20
1
1
19
19
2
2
18
18
3
3
17
17
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
CN4
BOX 10X2 M 90 DEG
2
1
3
SW7A
SW2PCOL (WMF)
5
4
6
SW7B
SW2PCOL (WMF)
2
1
3
SW6A
SW2PCOL (WMF)
5
4
6
SW6B
SW2PCOL (WMF)
7
CASE
SW7C
SW2PCOL (WMF)
7
CASE
SW6C
SW2PCOL (WMF)
B
AAT 25-10-06
1
AAT 07-12-06
2
AAT 01-02-07
3
AAT 25-06-07