Page 1
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.
REVISIONS
ZONE REV
DESCRIPTIONDATEAPPROVED
SIZE
FSCM NO. DWG NO.REV
SHEET
SCALE
COSTA MESA, CALIFORNIA
FINISH MATERIALCONTRACT NO.
APPROVALS
DRAWN
CHECKED
ISSUED DO NOT SCALE DRAWING
PARTS LIST DATE
CAD FILE NO.
APPLICATION
USED ON NEXT ASSY
NOTES: UNLESS OTHERWISE SPECIFIED
TOLERANCES ARE:
DECIMALSANGLES DECIMALSDIMENSIONS PER ANSI Y14.5-1982 UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES.
- +
O
-
+
- +
.XX .XXX
1/2 .02 .010
DEBURR EDGES .XXX R MAX
XX
C
AUDIO PRODUCTS, INC.
1 2
3 4 1 2
3 4
D
C
AB
D
C
AB
CAD SEED FILE NO.
TAB BLOCK
DASH NO. DESCRIPTION
-00 CHAN 1 & 2
-01
-02CHAN 1
CHAN 2
USED ON
MPA750, EX 2500
MPA750, EX 2500 MPA1100, MPX1200, EX 4000
SCHEMATIC, BRIDGE
RECTIFIER PCB
SH-000040-XX A
1 OF 1 Warren R. 5-13-94
NONE
SH0040A1.FCD A PROD RELEASE PER ECO 2297 WR
Page 2
CH 1 +INJ 31 CH 1 -IN GND CH 2 -IN CH 2 +IN
J 32
GND
GND CH 1 SPKR SIG
GND
GND -24 V
+24 V -15 V REG +15 V REG
GND
GND
CH 1 MUTE
CH 2 MUTE
CH 1 PWR-ON
CH 2 PWR-ON CH 1 CLIP-LIM
CH 2 CLIP-LIM
1. ALL RESISTORS 1/4W, 5%.
2. ALL CAPACITORS 100V
3. J 32, 26-PIN CONNECTOR, TO J 1 ON FRONT DISPLAY BOARD PC-004001-00.
4. PARTS FOR CH 1 NUMBERED 301-399.
5. PARTS FOR CH 2 NUMBERED 401-499.
6. PARTS IN COMMON TO BOTH CHANNELS NUMBERED 31-49.
8. PARTS WITHIN DOTTED OUTLINE FOR USER MODIFICATION. SEE MANUAL.
SCHEMATIC, EX-SERIES STANDARD INPUT BOARD.
7. BOARD SHIPPED WITH W 301-304, W 401-404 MOUNTED AS SHOWN.
470 p 470 p
W 303 W 304
SHIPPED XLR PIN 2 HI
MOVE W 303, 304 TO ALT
POSITION FOR PIN 3 HI
470 p 470 p
SHIPPED XLR PIN 2 HI
MOVE W 303, 304 TO ALT
POSITION FOR PIN 3 HI
C 402 C 401
W 403
W 404
SW 31
INPUTS
PARALLELMONO-BRIDGE
W 401
PIN 1 V+A
PIN 2 SP-A
PIN 3 GND PIN 8 GND PIN 4 +1N A
PIN 5 +OUT A
PIN 6 -IN A
PIN 7 -OUT A PIN 9 CLIP
KEY PIN 10 V-A
PIN 11 V- B
PIN 12 CLIP B
PIN 13 GND
PIN 14 -0UT B
PIN 15 -IN B
PIN 16 +OUT B
PIN 17 +IN B
PIN 18 GND
PIN 19 SP-B
PIN 20 V+B
PIN 21 SPARE
PIN 22 SPARE
W 301
T 301
3 (4) 1 (1) 4 (5)
6 (8) T 401 1 (1) 3 (4) 6 (8)
4 (5)
W 402
A
NC
R 301
C 303 C 403 R 401
NC
A
CH 1 THERMAL
CH 2 THERMAL
CH 1 AC RELAY
CH 2 AC RELAY CH 2 SPKR SIG
PADS FOR LEVEL 1-A
OR 2-A ACCESSORY PCB
W 305
W 306
W 406
W 405
A
3-POS
XLR
2
3
1 A J 301
A
XLR
2
3
1 A J 401
J 33
A
(6, 7)
A
(6, 7)
W 302 R 31
R 32 24K
220p C 31
-INPUT CH 1 +INPUT CH 1
-INPUT CH 2
+INPUT CH 2
4. NO CHANGE IN PINOUT OF J32, PINS 1-2620.0 K
CENTER
STEREO
NOTES, ALL REV LEVELS
NOTES, REV LEVELS A-B 1. THE FIRST YEAR OF PRODUCTION EX AMPLIFIERS SHIPPED WITH PC-004002-00 REV A OR BC 302 C 3012. FOR PC-004005-00 REV A, ADDED PADS 1-20 FOR LEVEL 1-A, 2-A INPUT ACCESSORY PCB
5. SW-31 WAS REVISED ON PC-004005-00 REV A, BUT WILL NOT AFFECT FUNCTION OF UPPER SLOT PCB. 3. ADDED J33, 5-PIN INPUT EXTENDER HEADER AND W305,306,405 & 406.
11
16
4
6
1
2
22
12
10
9
21
3
5
15
18
17
20
19
24
23
26
25
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.
REVISIONS
ZONE REV
DESCRIPTIONDATEAPPROVED
SIZE
FSCM NO. DWG NO.REV
SHEET
SCALE
COSTA MESA, CALIFORNIA
FINISH MATERIALCONTRACT NO.
APPROVALS
DRAWN
CHECKED
ISSUED DO NOT SCALE DRAWING
PARTS LIST DATE
CAD FILE NO.
APPLICATION
USED ON NEXT ASSY
NOTES: UNLESS OTHERWISE SPECIFIED
TOLERANCES ARE:
DECIMALSANGLES DECIMALSDIMENSIONS PER ANSI Y14.5-1982 UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES.
- +
O
-
+
- +
.XX .XXXDEBURR EDGES .XXX R MAX
C
AUDIO PRODUCTS, INC.
1 2
3 4 1 2
3 4
D
C
AB
D
C
AB
CAD SEED FILE NO.
A
BPROD REL PER ECO 756
CHANGE VALUE R31, WAS 21 K C REVISED FOR MIN-SLOT, BR-SW
SEE ECO 1097
D
SEE ECO 1297 BY PHQ REVISE PER ECO 1916
1-24-92
SGM SGM 6-10-91
SCHEMATIC DIAGRAM
EX SERIES STANDARD,
INPUT BOARD
SH-004002-00 D
1 OF 1 SH4002D1.FCD NONE 6-18-90
SH40002C1.FCD
PC-004005-00 EX/MPA SERIES
13 14 7 8
L
G.
FOR PC-004005-00 REV B 7-15-93
PAT QUILTER
