QSC RMX Series Technical & Service Manual

RMX Series Technical Service Manual 11
2. Component identification and pinout
1
2
3
4
8
7
6
5
AB
OUTPUT A
INVERTING
INPUT A
NON-INVERTING
INPUT A
V-
OUTPUT B
INVERTING
INPUT B
NON-INVERTING
INPUT B
V+
1
2
3
4
8
7
6
5
GROUND 1
NON-INVERTING
INPUT
INVERTING
INPUT
V-
OUTPUT
BALANCE/
STROBE
BALANCE
V+
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
AB
NON-INVERTING
INPUT A
V-
AMP BIAS INPUT B
NON-INVERTING
INPUT B
INVERTING INPUT B
OUTPUT B
BUFFER INPUT B
BUFFER OUTPUT B
V+
DIODE BIAS B
AMP BIAS INPUT A
DIODE BIAS A
INVERTING INPUT A
OUTPUT A
BUFFER INPUT A
BUFFER OUTPUT A
NE5532AN Dual operational amplifier
(part number IC-000211-GP; was 3130-2430-0)
LM311 Voltage comparator
(part number IC-000214-GP; was 3130-9240-0)
NE5517D Dual operational transconductance
amplifier (may be substituted by LM13600 or LM13700)
(part number IC-000212-GP; was 3131-9730-0)
4N29 Opto-isolator
(part number IC-000213-GP; was 3130-9270-0)
1
2
3
6
5
4
2N5064 Sensitive gate thyristor
(part number QD-000350-10; was 4860-5250-5)
KAG
12
3
BE
C
GDS
2N3904 (NPN) Small-signal transistor
(part number QD-000204-GP; was 4860-0640-3)
2N3906 (PNP) Small-signal transistor
(part number QD-000205-GP; was 4853-9060-3)
IRFZ44 TMOS power field effect transistor
(part number QD-000347-GP; was 490F-Z440-5)

QSC RMX Series Specifications

General

Series	RMX
Channels	2
Frequency Response	20Hz - 20kHz (+0/-1dB)
Signal to Noise Ratio	100 dB
Input Impedance	20k ohms (balanced), 10k ohms (unbalanced)
Cooling	Variable speed fan
Protection	Thermal, short circuit, DC, ultrasonic, RF
Connectors	Input: XLR and 1/4" TRS, Output: Binding posts and Speakon