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QSC PLX-1202 Service Manual Page 71

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67
D
C
B
A
D
C
B
A
87654321
87654321
QSC AUDIO PRODUCTS.
WITHOUT EXPRESS WRITTEN CONSENT FROM
BE DISCLOSED, REPRODUCED OR USED
OF QSC AUDIO PRODUCTS, THAT MAY NOT
INFORMATION WHICH IS THE PROPERTY
THIS DOCUMENT CONTAINS PROPRIETARY
SIZE FSCM NO. DWG NO.
SCALE CAD FILE NO. SHEET
REV
D
DWG NO.
REV SH
1. THIS DRAWING USED IN CONJUNCTION WITH ASSEMBLY WP-002403-00.
APPROVALS
CAD SEED FILE NO.
ISSUED
CHECKED
CONTRACT NO.
DRAWN
MATERIAL
FINISH
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES.
DIMENSIONS PER ANSI Y14.5-1982
TOLERANCES ARE:
DECIMALS
DEBURR EDGES .XXX R MAX
.XX
+
-
ANGLES
O
DECIMALS
+
-
.XXX
DO NOT SCALE DRAWING
NEXT ASSY USED ON
APPLICATION
ITEM NO.QTY PART NO.
PLX 2402
DATE
AUDIO PRODUCTS, INC.
COSTA MESA, CALIFORNIA
SCHEMATIC DIAGRAM
plx2402.sch
DESCRIPTION
PARTS LIST
VENDOR
5OF1
C
PAT QUILTER
Wed Dec 09, 1998
1C
INRUSH
RELAY
RELAY
CONTROL
SHEET 4
SHUTDOWN
TRIGGERS
EMI
FILTER
SUPPORT AND
PROTECTION
CIRCUITS
FAN SPEED
TO MUTE
CONTROL
THERMAL
SHUTDOWN
DC FAULT
SHUTDOWN
POWER
SUPPLY
BLEEDERS
OP-AMP
SUPPLIES
2. COMPONENTS WITH VALUE PREFIXED WITH A "^" REPRESENT SMT COMPONENTS.
NOTES: UNLESS OTHERWISE SPECIFIED
THERMAL
SENSING
NEGATIVE
OUTPUTS
POSITIVE
OUTPUTS
GAIN
POT
INPUT FILTER
LED
DISPLAY
CURRENT
SPLITTER
LOOP GAIN
FEEDBACK
CLIP
LIMITING
SPKR
OUTPUT
INPUT
BR MONO ROUTING
LED
DISPLAY
FILTER
GAIN
POT
SHEET 2
CHANNEL A
AUDIO CIRCUITS
THERMAL
SENSING
CLIP
LIMITING
SPKR
OUTPUT
NEGATIVE
OUTPUTS
POSITIVE
OUTPUTS
CURRENT
SPLITTER
LOOP GAIN
FEEDBACK
SHEET 3
CHANNEL B
AUDIO CIRCUITS
5-15-98
NONE
PLOT DATE:
ISOLATED
HIGH FREQ
RECTIFIERS,
FILTER CAPS
HIGH FREQ
TRANSFORMER
AC
RECT
SWITCHING
POWER
SUPPLY
BIAS
SUPPLY
OVERCURRENT
DETECTION
MAIN
FILTERS
IGBT
SWITCHES
GATE
DRIVE
SWITCHING
OSCILLATOR
SHEET 5
SH-002403-00
SH-002403-00
PLX 2402
WP-002403-00
P:\TANGOPRO\PLX\PLX2402
R321, 322, 326, 328 - 487K, ^R_1206
R321, 322, 326, 328 - 392K, ^R_1206
TABULATION BLOCK
VARIABLE
120/230V
100V
VOLTAGE
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