Inter-m IMX-824, Service Manual

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CN1 Signal I/O
Pin Signal Remarks
1 PB input L+
2 PB input L-
3 PB input L+
4 PB input L-
5 Audio GND
6 MTX out+
7 MTX out-
8 Audio GND
9 Monitor out L+
10 Monitor out L-
11 Monitor out R+
12 Monitor out R-
CN2 Upper Bus / Signal Link
Pin Signal Remarks Pin Signal Remarks
1 SOLO R bus 2 SOLO L bus
3 Sub-GRP8 bus 4 Sub-GRP7 bus
5 Sub-GRP6 bus 6 Sub-GRP5 bus
7 Sub-GRP4 bus 8 Sub-GRP3 bus
9 Sub-GRP2 bus 10 Sub-GRP1 bus
11 MIX C bus 12 MIX R bus
13 MIX L bus 14 mix bus common
15 AUX8 bus 16 AUX7 bus
17 Audio GND 18 Audio GND
19 AUX8 pot Wiper out 20 AUX7 pot Wiper out
21 Audio GND 22 Return PF R out
23 Return PF L out 24 Return AF mono in AUX pot send
25 Audio GND 26 Talk Back signal out
27 Monitor source in MIX C 28 Monitor source in MIX R
29 Monitor source in MIX L 30 +48V Phantom pwr for TB
31 Meter source our MIX C 32 Meter source out MIX R
33 Meter source out MIX L 34 Meter select cont.
CN3 BUS I/O
Pin Signal Remarks Pin Signal Remarks
1 MUTE group 4 5V 2 MUTE group 3 5V
3 MUTE group 2 5V 4 MUTE group 1 5V
5 I/P SOLO status in Active=0V 6 O/P AFL status in Active=0V
7 AFL cont. out Active=0V 8 n.c.
9 O/P AFL bus 10 n.c.
11 SOLO mono bus in 12 n.c.
13 SOLO R bus in 14 n.c.
15 SOLO L bus in 16 Sub-GRP8 bus
17 Sub-GRP7 bus 18 Sub-GRP6 bus
19 Sub-GRP5 bus 20 Sub-GRP4 bus
21 Sub-GRP3 bus 22 Sub-GRP2 bus
23 Sub-GRP1 bus 24 Mix bus common
25 MIX C bus 26 0V ref
27 MIX R bus 28 0V ref
29 MIX L bus 30 -18V
31 AUX8 bus 32 -18V
33 AUX7 bus 34 -18V
35 AUX6 bus 36 0V
37 AUX5 bus 38 0V
39 AUX4 bus 40 0V
41 AUX3 bus 42 +18V
43 AUX2 bus 44 +18V
45 AUX1 bus 46 +18V
47 MTX bus in 48 n.c.
49 n.c. 50 n.c.
CN4 Return Left Fader I/O
Pin Signal Remarks
1 Bottom 0V
2 Wiper signal out
3 Top signal in
CN5 Return Right Fader I/O
Pin Signal Remarks
1 Bottom 0V
2 Wiper signal out
3 Top signal in