QSC RMX Series Technical & Service Manual

36 QSC Audio Products, LLC
Gray shading indicates
signal path
D207:
5.6V 0.25W (up to Feb 2002)
4.7V 0.25W (Mar 2002–May 2003)
5.1V 0.25W (effective June 2003)
D210:
5.6V 0.25W (up to Feb 2002)
4.7V 0.25W (Mar 2002–May 2003)
5.1V 0.25W (effective June 2003)
R214:
4.7K (up to Apr 2002)
1.2K (effective May 2002)
R216:
390K (up to Apr 2002)
464K (effective May 2002)
R212:
10K LINEAR (up to Apr 2002)
2.5K LINEAR (effective May 2002)
RIGHT ANGLE POT
R127:
100 (up to Feb 2002)
75 (effective Mar 2002)
Ω
Ω
D208:
1N4934 (up to Feb 2002)
1N4004 (effective Mar 2002)
C206:
10 µF 50V NP (up to April 2002)
47 µF 16V NP (effective May 2002)
R220:
270 (up to Apr 2002)
230 (May–July 2002)
Ω
Ω
232 (effective August 2002)Ω
NOTES: UNLESS OTHERWISE SPECIFIED
A
B
8
7
6
5
8
67 5
C
D
THIS DOCUMENT CONTAINS PROPRIETARY
INFORMATION WHICH IS THE PROPERTY
OF QSC AUDIO PRODUCTS, THATMAY NOT
BE DISCLOSED, REPRODUCED OR USED
WITHOUT EXPRESS WRITTEN CONSENT FROM
QSC AUDIO PRODUCTS.
C
D
1432
REV
SH
A
1
DWG NO.
B
2
3
4
SIZE FSCM NO. DWGNO.
SCALE CAD FILE NO. SHEET
REV
D
BR_RET
BR MONO RETURN -- CAUTION, SENSITIVE NODE
R211
100
^R_0805
R209
100
^R_0805
10.0K
^R_0805
R203
SEE SH 1
SEE SH 1
CLIP_B
14
+
9
10
12
16
13
-
15
U10:2
LM13600M
R208
7.50K
^R_0805
+14V
A1
R204
150K
^R_1206
-14V
SW-GND FOR CLIP LIM
R210
270
^R_0805
C205
100-25V
R207
^R_0805
39K
SEE SH 3
C211
56p-200V-COG
^C_1206
-15V_B
R219
150K
^R_1206
-VCC_B
R218
150K
^R_1206
Q200
3906
R215
820
^R_1206
A1
R220
270
^R_0805
R222
10.0K-1%-1/2W
R214
^R_0805
C209
.15-5%
C208
.15-5%
R217
20.0K
^R_0805
A1
R221
20.0K
^R_0805
8
4
+VCC_B
5
+
6
-
7
NE5532
U201:2
P1
LD200
RED
CLIP CH 2
R227
^R_0805
D210
C216
.022
CW
CCW
W
R231
100
BIAS
D200
15V-1W
C213
220-25V
P1
D202
1N4148
D205
1N4148
D206
1N4148
D203
1N4148
R232
820
^R_1206
1N4148
D211
R233
2.0K-5W
SEE SH 3
R206
10.0K
^R_0805
R201
10.0K
^R_0805
R200
10.0K
^R_0805
R205
10.0K
^R_0805
CW
CCW
W
R212
A1
R202
1K
^R_0805
F_SND_B
F_30_B
F_BYP_B
+IN_B
-IN_B
SEE SH 1
SEE SH 1
C201
180p-5%
^C_0805
C203
180p-5%
^C_0805
C206
3
+
2
-
1
NE5532
U201:1
C207
.22-5%
A1
R216
^R_1206
C210
56p
^C_0805
+15V_B
R213
270
^R_0805
CHANNEL-2
R228
10K
^R_0805
R229
1.5K
^R_0805
Q201
3904
3904
Q202
D204
1N4148
1N4148
D212
R226
47K
^R_1206
C214
0.001u, 100V 5%
^C_1206
C215
0.0022u, 10%
^C_1206
P1
1N4934
D209
D208
D207
D201
15V-1W
C212
220-25V
P1
R224
47
^R_0805
R230
820
^R_1206
SIGCH2
YELLOW
LD201
NEG
CURRENT
LIMIT
MJE15032
Q205
C217
.0033
D216
1N4148
D213
1N4148
R246
6.8-1W
Q203
2SA1943
Q207
2SA1943
Q209
2SA1943
CW
CCW
W
2.2K
R239
FP
R242
0.22-3W
R248
0.22-3W
R236
22-1W
R235
2.0K-5W
D217
1N4004
+VCC_B
R252
0.22-3W
+67V
R260
5.6-2W
P1
C220
4700-80V
R257
820-5W
SPEAKER OUTPUT
CHANNEL B
BR-POS
WIRES TO
SPEAKER
OUTPUT PCB
FP
R243
0.22-3W
R249
0.22-3W
Q204
2SC5200
Q208
2SC5200
Q210
2SC5200
R237
22-1W
C219
.022
P1
POS
CURRENT
LIMIT
MJE15033
Q206
C218
.0033
50
R234
NTC
D215
1N4148
D214
1N4148
R247
6.8-1W
CW
CCW
W
R240
2.2K
C224
.068-5%
L200
2uH
R261
12-5W
250V
C221
4700-80V
R258
820-5W
D218
1N4004
P1
-VCC_B
R253
0.22-3W
SP_B
-67V
TO CH A
SHEET 1
E200
BR-NEG
E201
P1
2+ 1+
2- 1-
J200
SPEAKON
SPEAKER CONNECTORS
ON BREAKAWAYPCB
FROM SHEET ONE
R262
12-5W
JP15
JP16
5-WAY
BINDING
POST
CH B
J203 +
J203 -
NONE
OF
2
PLOT DATE:
SH-000850-00
SH-000850-00
3
3
32
RMX850-3.sch
Thu Sep 07, 2000
7.4 RMX850 Schematic Diagram 2 of 3
Channel 2

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