Rmx 2450 Schematic Diagram 2 Of 3 Channel 2 - QSC RMX 850 Technical & Service Manual

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 7
D
CHANNEL-2
C201
180p-5%
^C_0805
R205
10.0K
A1
^R_0805
NE5532
U201:1
+IN_B R200 R202
C206
+
3
10.0K 1K
^R_0805
1
SEE SH 1 ^R_0805
47-10NP
-
2
R201 R206
-IN_B
R212
10.0K 10.0K 10K
^R_0805 ^R_0805
C
C204
10K LINEAR 3B
RIGHT ANGLE POT
180p-5%
SEE SH 1
^C_0805
F_30_B
SW-30 HZ
F_BYP_B
SW-FILT BYPASS
F_BYP_B
+14V-A
U10:2
LM13600M
14
+
10 12 15
13
-
A1
B
R211
820K
^R_0805
4-5 MA CHARGE CURRENT
1 MA DISCHARGE.
^Q_BJTP_SOT-23
-14V
SEE SH 1
CLIP_B
SW-GND FOR CLIP LIM
SEE SH 1
BR_RET BR MONO RETURN -- CAUTION, SENSITIVE NODE
Gray shading indicates
A
signal path
NOTES: UNLESS OTHERWISE SPECIFIED
8 7
34
6
C272 R273 R274
.0033 150K 4.7K
^R_1206 ^R_0805
R290
2.00K
^R_0805
R277 R278 R279
12K-1W
150K 4.7K
^R_1206 ^R_0805
J204:5 5
5
J104:5
Q201
3904
SPEAKER BUS -- BEFORE FUSE ^Q_BJTN_SOT-23
10
J204:10
R266 R225
10 4.7K
J104:10
^R_0805
464K
^R_1206
^R_1206
C211
D204
27p-200V-COG
^C_1206 6 1N4148
J204:6
R213 ^D_SOT-23
W 6 J104:6
274
^R_0805
C212
A1
220-25V
7
D201
+15V_B
7
C207
P1 R224
15V-1W
.22-5% 75
C210 ^R_0805
27p
D202 D205
^C_0805
C208 C209
6 1N4148 1N4148
-
.15-5% .15-5% 7 ^D_SOT-23 ^D_SOT-23
5
+ U201:2 D203 D206
NE5532
D200 1N4148 1N4148
A1
^D_SOT-23 ^D_SOT-23
-15V_B 15V-1W LD200
A1
RED
C213
CLIP CH 2
220-25V
P1
J104:4
4
J204:4
4
P1
Q200
3906
C225
R220 R222
390 23.21K-1%-1/2W
100-16NP
^R_0805
R238
4.7K
A1
^R_0805
R294
12K-1W
R295
2.00K
^R_0805
C279
.0033
C_MYL2_AI
7.10 RMX 2450 Schematic Diagram 2 of 3
Channel 2
6
5 4
POS STEP DRIVER
C270
47pF-50V-5%
^Q_BJTN_SOT-23
^C_0805
Q271
3904
R272
D271
470K
1N4148
^R_0805
U270
^D_SOT-23
1 8
GND V+
R275
2 7
3.01K
3 6 Q272
BAL/STR
^R_0805 3906
4 5
V- BAL
^Q_BJTP_SOT-23
^LM311-SMT
D274
10V-1N4740A
D212
R218
R228 R229
+110_B
1N4148 8.2K-5W
10K 1.5K
^D_SOT-23
^R_0805 R219
C281
8.2K-5W
0.01 R236
22-1W
Q202
3904
FP FP
^Q_BJTN_SOT-23
P1
Q203 Q207 Q209 Q211
2SA1943 2SA1943 2SA1943 2SA1943
SIG CH 2
D216
J204:7
D207
1N4148
5.6V-.25W
J104:7
Q205
^D_SOT-23
MJE15032
R246
3.3-1W
W
R239
NEG
2.2K
CURRENT
LIMIT C219
P1
.022
POS
R240
R231 CURRENT
W
2.2K
LIMIT
100
R234 W
C216
R247
50
BIAS
.022
3.3-1W
NTC
Q206
MJE15033
D215
D210
5.6V-.25W
1N4148
^D_SOT-23
Q204 Q208 Q210
2SC5200 2SC5200 2SC5200 2SC5200
R233
R237
22-1W
8.2K-5W
FP
R235
8.2K-5W
-110_B
C276
R283
47K
47pF-50V-5%
C277
^R_0805
^C_0805
47pF-50V-5%
R285
^C_0805
470K Q273
R286 R287 D277 3904 ^Q_BJTN_SOT-23
^R_0805
U271
150K 4.7K
1N4148
R289
1 8
^R_1206 ^R_0805 GND V+ ^D_SOT-23
2 7
Q275 47
3 6 R291
BAL/STR 3906 ^R_0805
4 5
V- BAL
2.2K
^Q_BJTP_SOT-23
^LM311-SMT
R292 R293 ^R_0805
150K 4.7K
NEG STEP DRIVER
^R_1206 ^R_0805
5 4
3 2
+110_B
Q270
R270
RFZ44
47
^R_0805
C220
12000-63V
C273
100-25V
R280
TO -VMED
5.1K-5W
+55_B
D275
MUR1520
DC FAULT
C274 PROTECTION
R281
1.5-2W .1-250V
D217
D219
R265
1N4004
15K-1W
D220
2N5064
P1
2N5064
C221
12000-63V
R260
5.6-2W CHANNEL 2
R298 WIRES TO
SEE SH 3 SPEAKER
SPEAKER OUTPUT
OUTPUT PCB
2.2K-5W
CT_B L200
F200
E200 JP15
2uH
J203 +
25A-125V
R257
C224
2.2K-5W
.068-250V
5-WAY
BINDING
POST
R258 R261 R262
CH 2
12-5W 12-5W
2.2K-5W
J203 -
E201 JP16
C222
P1
12000-63V
R254 R255
12-5W 12-5W
SPEAKER CONNECTORS
ON BREAKAWAY PCB
FROM SHEET ONE
P1
C226
Q212 0.068-250V
D218
1N4004
C275
R282
1.5-2W .1-250V
J204:11
11
J104:11
D276
11
MUR1520
SP_B
C223
-55_B
12000-63V
Q274
RFZ44
-110_B
SIZE FSCM NO.
D
SCALE
NONE
3 2
1
D
R263
G
10-1/4W
R264
C
100-1/4W
P1
BR-POS
TO CH 1
SHEET 1
BR-NEG
B
A
DWG NO. REV
SH-002451-00
4
CAD FILE NO. SHEET
RMX2450-4.sch 3 OF 4
PLOT DATE:
1
Thu Sep 07, 2000
QSC Audio Products, Inc.