46
QSC Audio Products, LLC
!
!
!
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NOTES: UNLESS OTHERWISE SPECIFIED
A
B
8
7
6
5
8
6
7
5
C
D
THIS DOCUMENT CONTAINS PROPRIETARY
INFORMATION WHICH IS THE PROPERTY
OF QSC AUDIO PRODUCTS, THAT MAY NOT
BE DISCLOSED, REPRODUCED OR USED
WITHOUT EXPRESS WRITTEN CONSENT FROM
QSC AUDIO PRODUCTS.
C
D
1
4
3
2
REV
SH
A
1
DWG
NO.
B
2
3
4
SIZE
FSCM NO.
DWG NO.
SCALE
CAD FILE NO.
SHEET
REV
D
JSW
TO POWER SWITCH
CIRCUIT BREAKER
USA: 15A-125V
EUROPE: 7.5A-250V
JP10
JP12
IEC AC INLET
3
1
2
LINE
NEUT
GND
AC INPUT, LOW (ALL)
20 VAC TO FAN POWER RECTIFIER
-
BLU
BLU
WHT
BLK
RED
GRY
BLK
RED
-
-
-
WHT
BLK
WHT
BLU
RED
-
0V
WHT
RED
20V
J7A
J2A
J3A
COIL TWO
GRY
J9A
J8A
J6A
120V
COIL ONE
E9
E8
E10
E11
E12
1.1 AMP
R1
MAINTAIN FULL
PRI-SEC CREEPAGE
3
AC1
1
+
2
-
4
AC2
BR1
200V-1A
2
AC1
1
+
4
-
3
AC2
BR200
400V-25A
2
AC1
1
+
4
-
3
AC2
BR201
400V-25A
0.22-250V
C227
0.22-250V
C228
R29
12-5W
CT_A
SEE SH 2
-55_B
-110_B
CT_B
E20
E19
E213
E215
D5
1N4148
^D_SOT-23
D7
1N4148
^D_SOT-23
D6
1N4148
^D_SOT-23
D2
1N4148
^D_SOT-23
R28
12-5W
C10
0.047-400V
D3
1N4148
^D_SOT-23
ATTACH TO HS-1
60C 100 OHM
R7
ATTACH TO HS-2
60C 100 OHM
R4
28V PRI-SIDE DC FAN SUPPLY
8
J104:8
9
J104:9
8
J204:8
9
J204:9
C6
1000-35V
AC VOLTAGE
PROGRAMMING
TERMINALS
TRANSFORMER PRI LEADS
-
BRN
GRY
BRN
GRY
BRN
100V
120V
240V
AC INPUT, HIGH (ALL)
1 OHM 30A
R21
20V
BRN
J5A
J4A
120V
0V
BLK
E7
E2
E5
E1
QUICK
CONNECT
PC-MTD
TABS
U-I CORE POWER TRANSFORMER
NOTE SPLIT SECONDARY WIRING
FROM EACH LEG TO EACH CHANNEL
E3
E6
E4
BLU
2
AC1
1
+
4
-
3
AC2
BR100
400V-25A
0.22-250V
C128
2
AC1
1
+
4
-
3
AC2
BR101
400V-25A
C127
0.22-250V
RECTIFIER BR100-201 CIRCUIT
IS DRAWN FOR CHASSIS MTG
OF RECTIFIERS. E-POINTS ARE
WIRE CONNECTIONS.
SEE SH 1
CT_A
E13
E14
E114
E112
1
J157:1
MUTING AND THERMAL PROTECTION.
+110_A
+55_A
1
J21:1
+55_B
-110_A
-55_A
33K-2W
R2
R5
33K-2W
+110_B
D1
1N4004
PILOT
LED
E18
E17
E16
E15
E113
E115
E214
E212
LD1
GRN
R27
330K
^R_1206
^R_1206
R3
1.0M
^R_1206
R6
1.0M
D4
1N4148
^D_SOT-23
C8
47-50V
D8
15V
D15
15V
C7
4.7-250V
P1
R10
150K
^R_1206
D14
1N4148
^D_SOT-23
Q1
300V-.2A
^Q_BJTN_SOT-23
+15V_A
+14V
D11
1N4004
D13
1N4004
.1-5OV
C11
D12
1N4004
+15_B
-15V_B
Q5
MPSA06
1
J104:1
2
J104:2
1
J204:1
2
J204:2
^Q_BJTP_SOT-23
Q4
3906
R18
220K
^R_1206
D9
1N4148
^D_SOT-23
R19
6.8K
^R_1206
P1
P1
BR_CUT
BR_CUT-A
-15V_A
+15V_A
A1
3
J104:3
12
J104:12
3
J204:3
12
J204:12
13
J204:13
Q8
3904
^Q_BJTN_SOT-23
3906
Q6
^Q_BJTP_SOT-23
Q7
3906
^Q_BJTP_SOT-23
3904
^Q_BJTN_SOT-23
Q9
R25
47
^R_0805
C9
^C_1206
100pF
^R_0805
100
R30
P1
3
J157:3
3
J21:3
1
5
4
2
6
3
4N29
U2
2500V HI-POT
R12
470K
^R_1206
2
J157:2
2
J21:2
MAINTAIN FULL
PRI-SEC CREEPAGE
R15
464K
^R_1206
R26
220K
^R_0805
R8
2.0K
^R_0805
-
TO DC FAN
2
J18:2
D10
1N4004
1
J18:1
+
2 PIN HEADER
-15V_A
-14V
R9
6.81K
^R_1206
R14
6.81K
^R_1206
Q3
TIP31C
R17
120-2W
R13
2.0K
^R_0805
13
J104:13
OF
SH-002451-00
SH-002451-00
NONE
PLOT DATE:
4
4
4
4
4
RMX2450-4.sch
Thu Sep 07, 2000
7.14 RMX2450 Schematic Diagram 3 of 4
Power Supply