Rmx 1450 Schematic Diagram 2 Of 3 Channel 2 - QSC RMX 850 Technical & Service Manual

THIS DOCUMENT CONTAINS PROPRIETARY
8
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.
D
R200
+IN_B
10.0K
^R_0805
SEE SH 1
R201
-IN_B
10.0K
^R_0805
C
SEE SH 1
F_30_B
F_SND_B
F_BYP_B
LM13600M
10
B
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
RMX Series Technical Service Manual
7 6
C201
180p-5%
^C_0805
R205
10.0K A1
^R_0805
NE5532
U201:1
R202
C206
+
3
1K
1
^R_0805
10-50NP
-
2
R213
R206
R212 W
270
10.0K 10K
^R_0805
^R_0805
A1
C203
10K LINEAR 3B
RIGHT ANGLE POT
180p-5%
^C_0805
C207
.22-5%
C210
56p
^C_0805
C208 C209
SEE SH 3
+14V .15-5% .15-5%
A1
U10:2
14
+
12 15
13
-
+VCC_B
A1
R210
270
^R_0805
Q200
3906
-VCC_B
-14V
SEE SH 3
R220
270
A1
^R_0805
7.7 RMX 1450 Schematic Diagram 2 of 3
Channel 2
7 6
5 4
CHANNEL-2
R228 R229
Q201
R235
3904
R226
10K 1.5K
47K
^R_0805 ^R_0805
3.0K-5W
^R_1206
R236
22-1W
D204 Q202
FP
LD201
1N4148 P1 3904
YELLOW
+15V_B
SIG CH 2
C212
220-25V
D207
D201 5.6V-.25W
P1
15V-1W
R239
D202 D205
2.2K
6
-
1N4148 1N4148
7
5 U201:2 R240
+
NE5532 D203 D206 2.2K
R231
W
D200
100
1N4148 1N4148 R234
C216
50
BIAS
.022
15V-1W
NTC
P1
LD200
C213
RED
D210
220-25V
CLIP CH 2
5.6V-.25W
P1
-15V_B
R237
22-1W
R233
FP
3.0K-5W
C211
56p-200V-COG
^C_1206
R222
13.3K-1%-1/2W
5 4
3 2
+VCC_B
+78V
D217
1N4004
Q203 Q207 Q209 Q211
2SA1943 2SA1943 2SA1943 2SA1943
P1
D216
1N4148
C220 C222
Q205
MJE15032
3300-100V 3300-100V
C217
.0033 R260
5.6-2W
W R246
R257
NEG
6.8-1W
CURRENT
L200
LIMIT C219 1.0K-5W
P1
2uH
.022 R258
POS
CURRENT
C224
LIMIT 1.0K-5W
W
R247 .068-5%
6.8-1W 250V
C218
.0033
R261
12-5W
C221 C223
Q206
3300-100V 3300-100V
MJE15033
D215
1N4148
Q204 Q208 Q210 Q212
P1
2SC5200 2SC5200 2SC5200 2SC5200
D218
1N4004
-78V -VCC_B
SP_B
3 2
1
D
C
CHANNEL 2
WIRES TO
SPEAKER
SPEAKER OUTPUT
OUTPUT PCB
BR-POS
E200 JP15
J203 +
TO CH 1
SHEET 1
5-WAY
BINDING
POST
R262
CH 2
12-5W
BR-NEG
JP16 J203 -
E201
P1
SPEAKER CONNECTORS
ON BREAKAWAY PCB
FROM SHEET ONE
B
A
SIZE FSCM NO. DWG NO. REV
D
SH-001451-00 4
SCALE CAD FILE NO. SHEET
NONE RMX1450-4.sch 2 OF 3
PLOT DATE:
1
Thu Sep 07, 2000
31