QSC PLX Series, Technical & Service Manual

Page: 66 / 83

62
D
C
B
A
D
C
B
A
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
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
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 1602
DATE
AUDIO PRODUCTS, INC.
COSTA MESA, CALIFORNIA
SCHEMATIC DIAGRAM
plx1602.sch
DESCRIPTION
PARTS LIST
VENDOR
5 OF 1
B
PAT QUILTER
Tue Dec 08, 1998
1
B
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
1. THIS DRAWING USED IN CONJUNCTION WITH ASSEMBLY WP-000516-00.
2. COMPONENTS WITH VALUE PREFIXED WITH A "^" REPRESENT SMT COMPONENTS.
NOTES: UNLESS OTHERWISE SPECIFIED
LED
DISPLAY
FILTER INPUT
GAIN
POT
POSITIVE
OUTPUTS
NEGATIVE
OUTPUTS
THERMAL
SENSING
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
PRODUCTION RELEASE PER ECO 3724 AC A
REV DESCRIPTION
REVISION
CHK EFF. DATE APPROVED / DATE
CHANNEL B
AUDIO CIRCUITS
6-26-98
B REVISE PER ECO 3803 AC 8-28-98
TS 6/30/98 KM
PLX 1602
WP-000516-00
SH-000516-00
P:\TANGOPRO\PLX\PLX1602
SH-000516-00
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
R321, 322, 326, 328 - 487K, ^R_1206
R321, 322, 326, 328 - 392K, ^R_1206
TABULATION BLOCK
VARIABLE
120/230V
100V
VOLTAGE