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:
ABCDEF GH
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
INSRET_L INSRET_R
MIXL_POST MIXR_POST
ALT_OUT_L ALT_OUT_R
HEADPHONES_RHEADPHONES_L
USB_IN_L
2TRK_RTN_L
USB_IN_R
2TRK_RTN_R
METER_R
AUX2_PRE
AUX1_PRE
AUX1_PREAUX2_PRE
LD2
LED T1 3MM BLUE
R6
47K 0805
+15V
INSEND_LINSEND_R
MIXL_POST
MIXR_POST
AUX1_OUTAUX2_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
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