Rmx 2450 Schematic Diagram 3 Of 3 Power Supply - QSC RMX 850 Technical & Service Manual

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.
8
AC VOLTAGE
PROGRAMMING
TERMINALS
!
R21
C
1 OHM 30A
AC INPUT, HIGH (ALL)
QUICK
100V 120V 240V
CONNECT
PC-MTD
TRANSFORMER PRI LEADS TABS
BRN BRN BRN J4A
GRY GRY - J5A
J6A
BLK BLU BLU
- - BLK J8A
- - GRY J9A
J7A
WHT RED RED
BLU BLK - J2A
RED WHT WHT J3A
AC INPUT, LOW (ALL)
B !
CIRCUIT BREAKER
USA: 15A-125V
!
EUROPE: 7.5A-250V
JSW JP12
IEC AC INLET
TO POWER SWITCH
LINE 1
JP10
NEUT 2
GND 3
20 VAC TO FAN POWER RECTIFIER
A
NOTES: UNLESS OTHERWISE SPECIFIED
8
RMX Series Technical Service Manual
7 6
RECTIFIER BR100-201 CIRCUIT
IS DRAWN FOR CHASSIS MTG
OF RECTIFIERS. E-POINTS ARE
WIRE CONNECTIONS.
U-I CORE POWER TRANSFORMER
C127 BR100
NOTE SPLIT SECONDARY WIRING
0.22-250V
FROM EACH LEG TO EACH CHANNEL
E1
1
+
E2
E3
1
BRN 4
+ -
E4
120V C128 BR101
0.22-250V
400V-25A
E5
20V
E6
BLU
0V
BLK
E7
E8 BR201
400V-25A
E9
COIL ONE
E10 1
+
C228 1 4
+ -
C227
0.22-250V
E11 0.22-250V
COIL TWO
GRY E12
120V
20V
RED
0V
WHT
R29
MAINTAIN FULL
PRI-SEC CREEPAGE
R1
1.1 AMP
7.11 RMX 2450 Schematic Diagram 3 of 3
Power Supply
7 6
5 4
CT_A
SEE SH 1
J21:1
1
MUTING AND THERMAL PROTECTION.
E13 E112 +110_A
J157:1
1
E114
E14 +55_A
D1
400V-25A
1N4004
LD1
GRN
E15 E113
4
-
PILOT
R27
LED
E16 E115
330K
^R_1206
-55_A
R2
33K-2W
-110_A
R6
R3
1.0M
E17 E212
+110_B 1.0M
Q1
D4
300V-.2A
E18 E214 +55_B R5
33K-2W
1N4148
^Q_BJTN_SOT-23
^D_SOT-23
BR200
400V-25A D5
R26
E19 E213 -110_B
1N4148 220K
4
-
^D_SOT-23 ^R_0805
E20 E215
D7
-55_B
1N4148
^D_SOT-23
C10 D6
CT_A J157:2
2
D2 D3
0.047-400V 1N4148
J21:2
^D_SOT-23
R28 1N4148 1N4148
2
SEE SH 2
12-5W 12-5W ^D_SOT-23 ^D_SOT-23
CT_B
J204:8
8 !
J104:8
8
2500V HI-POT
R4 R7
60C 100 OHM 60C 100 OHM
ATTACH TO HS-2 ATTACH TO HS-1
J104:9
9
BR1
J204:9
9
200V-1A
3
4
AC1 AC2
28V PRI-SIDE DC FAN SUPPLY
C6
1000-35V
5 4
3 2
12
+14V
+15V_A
12
D12
D8
1N4004
R10 R18
2
J104:2
150K 220K
15V
^R_1206 ^R_1206 2
J204:2
C8
47-50V
D13 C11
Q4 P1
.1-5OV
P1
1N4004
3906 Q5 +15_B
MPSA06
^Q_BJTP_SOT-23
D11
D14
1N4004
-15V_B
1N4148
J204:1
C7 ^D_SOT-23 D9
1
4.7-250V
J104:1
1N4148 1
P1 13
D10
^D_SOT-23
R15 13
1N4004
-15V_A
464K -14V
^R_1206
MAINTAIN FULL
PRI-SEC CREEPAGE
2 PIN HEADER
J18:1
1
+
TO DC FAN
J18:2
-
2
U2
4N29
Q3
TIP31C
R17
120-2W
3 2
1 D
J104:12
J204:12
J204:3
3
J104:3
3
+15V_A
BR_CUT
BR_CUT-A
Q9 Q8
3904
3904
^Q_BJTN_SOT-23 C9
^Q_BJTN_SOT-23
100pF
R25
^C_1206
P1
47
C
R30
Q7
^R_0805
Q6
100
3906
3906
^R_0805
^Q_BJTP_SOT-23
^Q_BJTP_SOT-23
A1
-15V_A
J204:13
J104:13
B
A
SIZE FSCM NO. DWG NO. REV
SH-002451-00
D 4
SCALE CAD FILE NO. SHEET
NONE RMX2450-4.sch 4 OF 4
PLOT DATE:
1
Thu Sep 07, 2000
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