Page 1
TEMP/PROT DISPLAY
RED LED
LIM/CLIP DISPLAY
RED LED
LEVEL DISPLAY
-30 -10
YEL LEDS
POWER-ON DISPLAY
GRN LED
CH 1 GAIN
11-POSITION
BALANCED
INPUT
THERMAL
FLASHER
DISPLAY
DRIVER
STEP DRIVER
14-PIN J 101
J 50_, 14-PIN
+24 V
+15 V
-15V
-24 V
MUTE
SPKR
THERM
+INPUT
GND REF
GND
CLIP
NO CONNECTION TO SECOND HOUSEKEEPING
ON/OFF
TO SPKR
A
MUTING
DC FAULT
DETECTOR
THERMAL
SENSOR
LIMITER
AMPLIFIER
MUTING
CLI P
DETECTOR
POWER AMP BOARD, BOTH CH
PC-004101-00
POWER AMPLIFIER CH 1
J 501, 6-PIN MATELOK
PIN 3
POS VOLTAGE
RECT (1)
FUSE (2)
OUTPUT
POWER AMPLIFIER CIRCUITBAL INPUT OPTOCELL
RELAY
NEG VOLTAGE
PIN 6
PIN 2
PIN 5
PIN 1
PIN 4
0.25-INCH TABS
T 501
T 502
CH 1 MAIN SECS
SPEAKER
TERMINALS
CH 1
FRONT DISPLAY PCB
CH 2
TEMP/PROT DISPLAY
RED LED
LIM/CLIP DISPLAY
RED LED
LEVEL DISPLAY
-30 -10
YEL LEDS
POWER-ON DISPLAY
GRN LED
CH 1 GAIN
11-POSITION
BALANCED
INPUT
PC-004001-00
THERMAL
FLASHER
DISPLAY
DRIVER
STEP DRIVER
14 PIN
J 201
26 PIN
J 1
IN/OUT BUS
CONNECTOR
BLOCK DIAGRAM, EX-800
REV A, 3-18-91, QSC AUDIO PRODUCTS INC, DOC NO SH-004100-01, FILE SH4100A2.FCD
PWR-ON
J 60_, 14-PIN
+24 V
+15 V
-15V
-24 V
MUTE
SPKR
THERM
+INPUT
GND REF
GND
CLIP
PWR-ON
TO +50% POWER SUPPLY
MASTER HOUSEKEEPING POWER
HOUSEKEEPING
POWER SUPPLY
ON/OFF
TO SPKR
A
TO +50% POWER SUPPLY
MUTING
DC FAULT
DETECTOR
THERMAL
SENSOR
LIMITER
AMPLIFIER
MUTING
CLI P
DETECTOR
COMMON HOUSEKEEPING SECONDARY.
TO EACH CH THERM SENSE
FAN SPEED
CONTROL
POWER AMPLIFIER CH 2
POWER AMPLIFIER CIRCUITBAL INPUT OPTOCELL
J 5_, 5 PIN?
18 VAC
CT
18 VAC
PTC
PTC
-24 V
FAN
J 5_, 2 PIN, OR COMBINE WITH 5-PIN???
POS VOLTAGE
RECT (1)
FUSE (2)
OUTPUT
RELAY
NEG VOLTAGE
COOLING
24 VDC
J 501, 6-PIN MATELOK
PIN 3
PIN 6
PIN 2
PIN 5
PIN 1
PIN 4
IN/OUT BUS
CONNECTOR
FAN
CH 2 SECS
26-PIN J 32
AC POWER
TRANSFORMER
AC FUSE
AC VOLTAGE
SELECTOR
PC-004103-00
0.25-INCH TABS
T 501
T 502
CH 1 +INP
CH 1 -INP
CH 1 GND
CH 1 SPKR MON
CH 1 CLIP MON
CH 1 THERM MON
CH 1 PROT MON
CH 1 PWR MON
+24 VDC
+15 VDC
-15 VDC
-24 VDC
CH 2 SPKR MON
CH 2 CLIP MON
CH 2 THERM MON
CH 2 PROT MON
INPUT BOARD
SPEAKER
BOARD
PC-004104-00
SPEAKER
TERMINALS
INPUT
TERMINALS
PC-004002-00
Page 2
SH-004101-02 1 K
SCHEMATIC, 2-CH POWER AMPLIFIER, EX 800SCHEMATIC, 2-CH POWER AMPLIFIER, EX 800
REV D, 10-22-92, FOR PC-004101-00
DOC NO SH-004101-02 FILE NO SCH800G*.FCD
SHEET 1, HOUSEKEEPING POWER AND FAN SPEED CONTROLSHEET 1, HOUSEKEEPING POWER AND FAN SPEED CONTROL
+24 V
1
+15 V
3
-15 V
4
-24 V
2
SCHEDULE OF TEST POINTS ETCJ 502-1
CH-1 CH 2
J 502-1 J 602-1 NEGATIVE LIMITING VOLTAGE
J 502-2 J 602-2 POSITIVE LIMITING VOLTAGE
J 502-3 J 602-3 NOT USED
J 502-4 J 602-4 AMPLIFIER LOOP OPAMP OUTPUT
J 502-6 J 602-6 POS AMPLIFIER RAIL--HIGH VOLTAGE
J 502-8 J 602-8 NEG AMPLIFIER RAIL--HIGH VOLTAGE
PART NUMBERING SCHEDULE FOR PCBS USED IN EX-1600:
PCB NUMBER DESCRIPTION CH 1 PARTS CH 2 PARTS PARTS IN COMMON
PC-004001-00
PC-004002-00
PC-004101-00 AMP PCB
PC-004104-00
PC-004103-00 AC PCB
DISPLAY PCB
INPUT PCB
SPKR PCB
101-199 201-299 1-29
301-399 401-499 31-49
501-599 601-699 51-69
701-799 801-899 71-99
901-UP (SAME BOARD FOR CH 1, CH2)
+24 V UNREG
+15 V REG
-15 V REG
-24 V UNREG
U 52
7815
321
C 53C 56
7915
2200
35V
C 54
35V
100
35 V
C 55
100 2200
35 V
D 53
1N4746, 18V
D 52
1N4746, 18V
32
1
U 51
+23V ON/OFF ENABLE TRANSFORMER THERMAL SENSOR THERMAL BUS TO FAN SPEED CONTROL
TO SHEET 2
J 51
XF PTC
5
XF PTC
4
18 Vac
R 698
PTC-60C
RE-000006-PT
THERMALLY
CONNECTED
TO Q 607
1
2.7K
18 Vac
2
CT
3
D
C
R 52
2.7K
-24 V
180K
NOTES.
1. ALL RESISTORS 1/4-WATT, 5% UNLESS NOTED.
2. ALL CAPACITORS 100V UNLESS NOTED.
3. BRIDGE RECTIFIER BR 51, 1.5A, 100V.
4. R 598, 698 IS POSITIVE TEMPERATURE COEFFICIENT RESISTOR MOUNTED TO HEAT SINK.
D 51 RN 51
1N4004
BR 51
5. PARTS MARKED WITH TRIANGLE MUST BE REPLACED WITH EXACT TYPE ONLY.
6. ZENERS D 503, 504, 603, 604 MARKED 7.5 V TESTED FOR LOW LEAKAGE, QSC P/N QD-0007.5-ZT.
7. ZENERS D 509, 513, 609, 613, 6.2V-500mW, TESTED FOR LOW LEAKAGE, QSC P/N QD-000024-QD.
8. PARTS ENCLOSED WITHIN DOTTED OUTLINE HAVE VOLTAGES GREATER THAN 42V.
AUDIO AND POWER GROUNDS
A
R 51
47K
C 51
100-35V
C 57
.01
B
Q 51
2SC3298B
J 52-1
FAN BLK
24 V BRUSHLESS FAN
FAN RED
J 52-4
Q 52
2N2907
2N4410
C 52
47-10NP
Q 53
2.7K
2.7K
A
TOLERANCE 20% FOR ELECTROLYTIC TYPES, 10% ON OTHER TYPES.
RESISTANCE 100 OHM COLD, RISING AT 55 C. QSC P/N RE-000006-PT
125 W, 60 V MINIMUM, ON-RESISTANCE 0.030 OHMS MAX.
R 53
3.3-1W
B PROD RELEASE PER ECO 1107 GLF
C REVISED PER ECO 1158
D REVISED PER ECO 1128 RDS
E
REVISED PER ECO 1262
L
G
L
G. 7-9-91
7-26-91
11-6-91
6-10-92F REVISED PER ECO 1508 SGM
G REVISED PER ECO 1602 WR 10-22-92
H REVISED PER ECO 2009
J REVISED PER ECO 2371 MP (EFF. 7-28-94)
L
5-11-94
G.
7-20-94
K REVISED PER ECO 2393 MP (EFF. X-28-94)
HEAT SINK GROUND
W.R. /
SGM
SGM5-29-91
SGM
SGM
SGM
SGM
SGM
/
SGM
RAB
LAST USED REF. DESIGN.
BR 51, BR 502, 602
C51 - 57, C526, 626
D51 - 53, D513, 613
F504, 604
J51, 52, J503, 603
K501, 601
L501, 601
Q51 - 53, Q510, 610
R51 - 53, R544, 644, R598, 698, R599, 699
RN51, RN502, 602
U51, 52, U506, 606
VR503, 603
+23V ON/OFF ENABLE TRANSFORMER THERMAL SENSOR THERMAL BUS TO FAN SPEED CONTROL
TO SHEET 3
WP-004101-20
APPLICATION
EX800
USED ONNEXT ASSY
AUDIO PRODUCTS
PHQ 5-15-91
SA/SGM 5-29-91
SCH800J1.FCD SH0800K1.FCD
SCHEMATIC EX 800
DRAWING
SH-004101-02 K
1 3
Page 3
SCHEMATIC, EX-800, SHEET 2, AMPLIFIER CHANNEL ASCHEMATIC, EX-800, SHEET 2, AMPLIFIER CHANNEL A
C 516 R 531
470-1W
D 512
1N400410-25V
TO -24 V
SH-004101-02 2 K
MUTE
THERMAL
SPKR SIG
14-PIN RIBBON
J 503
CLIP
GND
GND
GND
10
R 543
330K
8
11
C 518
470-10V
VR 502
5K
+ CURR LIM+ CURR LIM
VR 503
5K
- CURR LIM- CURR LIM- CURR LIM
C 513
470-10V
6
5
12
13
C 517
220-10NP
10K-2W
J 502-1
R 529
10K-2W
J 502-2
R 528
4.7K-1W
R 527
A
R 530
470-1W
A
R 544
27K
TO +15V
R 532, 47K
C 514
47-50V
C 515
47-50V
TO +15 V
TO -15 V
SPEAKER BUS
MUTING INPUT CAP.
T 1
TIMING CAP.
T 2
GROUND
T 3
RELAY
DRIVER
T 4
MUTE BUS
T 5
THERM ADJUST, 0.5-8.5V
T 6
THERMAL SENSE, 0-8V
T 7
THERMAL BUS, 0-8V
T 8
OP-AMP OUT - HF PROTECT
T 9
DC PROTECT SENSE
T10
THERMAL LIMITING
T11
OP-AMP OUT
T12
OPTOCELL
T13
CLIP BUS
T14
+15 V
T15
-15 V
T16
NEGATIVE BYPASS, -7.5V NORMAL, -2.5V SHORT
T17
NEGATIVE CURRENT FEEDBACK, -3V PEAK
T18
NEGATIVE TRIMMER
T19
OUTPUT VOLTAGE FEEDBACK
T20
POS CURRENT TRIMMER
T21
POSITIVE CURRENT FEEDBACK +3V PEAK
T22
POSITIVE BYPASS, +7.5V NORMAL, +2.5V SHORT
T23
NEGATIVE DRIVER, -0.6V IDLE
T24
POSITIVE DRIVER, +0.6V IDLE
T25
C 524
47-10NP
ON-OFF MUTING DELAY
SHUTDOWN MUTING
RELAY
MUTE -24V
RUN +15V
THERMAL SENSING
PROCESSING BUFFER
MUTING BUS
MUTE +8V
RUN 0V
THERMAL
HIGH FREQ
DC RECTIFIER
50C +O.5V
90C +8V
SHUTDOWN DETECTORS
CLIP RECTIFIER-BUFFER
LIMITING THRESHOLD +4.5V
4.5-6.5Vac CLIPPING PEAKS MUTE +4.5V
LOAD IMPEDANCE
SENSING
27p
C 522
R 540
12.1K-.5W
IDLE -1.2V
CLIP +3V PEAKS0-3Vac NORMAL AUDIO
NEGATIVE BIAS
CONTROLLER
BIAS ENABLE
POSITIVE BIAS
CONTROLLER
TO MUTING
U 503
IC-000010-00
J 501
6-PIN MATE-LOK
N.C.
D 502
JUMPER
C 511
8200-80V
L 501
R 525
5.6-2W
C 510
8200-80V
2uH
R 523
5.6-2W
C 506
.10
R 542
47K-1W
TO -15V
R 508
390
R 507
390
SPEAKER BUS
J 502-6
R 519
22-1W
R 518
22-1W
Q 508 Q 509 Q 510
Q 502
2SC3298B
R 504
4.7-1W
R 502
4.7-1W
Q 501
2SA1306B
Q 505 Q 506 Q 507
N.C.
J 502-3
VR 501
100
BIAS
BIAS
R 599
50 OHM
25 C
C 504
.01
D 505
1N4004
BIAS
NETWORK
C 512
.0033
D 506
1N4004
J 502-8
+70 V
R 520 R 521 R 522
2SA1302
3 PL
AUDIO OUTPUT STAGE
R 516 R 515 R 517
-70 V
2SC3281
3 PL
.22-3W
3 PL
.22-3W
3 PL
D 508
1N5402
D 507
IN5402
C 507
JUMPER
HEATSINK
GROUND
D 501
3.9-2W
.10
R 524
TO -70 V RAIL
TO -24 V
TO RECT BR 501
BR 501
F 501
10A-250V
F 503
10A-250V
K 501
QSC PART
SW-000029-SW
N.C.
NO
NC
3
4
6
1
TRANSFORMER
CENTER TAP
2
5
SPEAKER
OUTPUT
SPEAKER
COMMON
J 52-5
J 52-6
+INPUT
GND REF
PWR-ON
HEAVY LINE SHOWS
MAIN SIGNAL PATH
14
AUDIO INPUT STAGE
9
7
U 504
VTL 5C4
R 533
47K-1W
A
TO +70 V RAIL
A
RN 501
10K-4
BA
+15 V
U 506-B
5
5532
6
-15 V
DC
4.7 K 464
8
7
4
C 525
68 p
A
R 541
U 506-A
590
R 538R 536 R 537
C 521
75K
.10
C 520
.0022
R 539
47
3
2
1
D 511
6.2 V
J 502-4
+23V ON/OFF ENABLE TRANSFORMER THERMAL SENSOR THERMAL BUS TO FAN SPEED CONTROL
TO SHEET 1
27pC 526
D 513
1N4735
6.2 V
D 509
1N 4148
D 510
1N 4148
1N4735
R 598
PTC-60C
THERMALLY
CONNECTED
TO Q 508
SH-004101-02 K
SH0800K2.FCD
2 OF 3
Page 4
SH-004101-02 3 K
SCHEMATIC, EX-800, SHEET 3, AMPLIFIER CHANNEL BSCHEMATIC, EX-800, SHEET 3, AMPLIFIER CHANNEL B
TO -24 V
C 614
47-50V
C 615
47-50V
TO +15 V
TO -15 V
SPEAKER BUS
D 612
1N4004
R 631
470-1W
MUTING INPUT CAP.
T 1
TIMING CAP.
T 2
GROUND
T 3
RELAY
DRIVER
T 4
MUTE BUS
T 5
THERM ADJUST, 0.5-8.5V
T 6
THERMAL SENSE, 0-8V
T 7
THERMAL BUS, 0-8V
T 8
OP-AMP OUT - HF PROTECT
T 9
DC PROTECT SENSE
T10
THERMAL LIMITING
T11
OP-AMP OUT
T12
OPTOCELL
T13
CLIP BUS
T14
+15 V
T15
-15 V
T16
NEGATIVE BYPASS, -7.5V NORMAL, -2.5V SHORT
T17
NEGATIVE CURRENT FEEDBACK, -3V PEAK
T18
NEGATIVE TRIMMER
T19
OUTPUT VOLTAGE FEEDBACK
T20
POS CURRENT TRIMMER
T21
POSITIVE CURRENT FEEDBACK +3V PEAK
T22
POSITIVE BYPASS, +7.5V NORMAL, +2.5V SHORT
T23
NEGATIVE DRIVER, -0.6V IDLE
T24
POSITIVE DRIVER, +0.6V IDLE
T25
MUTE
THERMAL
GND
GND
GND
SPKR SIG
+24 V
+15 V
-15 V
-24 V
CLIP
J 603
1
3
4
2
10
R 643
330K
8
220-10NP
11
C 618
470-10V
R 629
10K-2W
VR 602
5K
+ CURR LIM+ CURR LIM
VR 603
5K
- CURR LIM- CURR LIM
C 613
470-10V
6
5
12
13
14-PIN RIBBON
N.C.
N.C.
N.C.
N.C.
R 644
C 617
27K
R 627
10K-2W
J 602-1
J 602-2
A
R 628
4.7K-1W
R 630
470-1W
A
C 616
10-25V
TO +15V
R 632, 47K
C 624
47-10NP
ON-OFF MUTING DELAY
SHUTDOWN MUTING
RELAY
MUTE -24V
RUN +15V
THERMAL SENSING
PROCESSING BUFFER
MUTING BUS
MUTE +8V
RUN 0V
THERMAL
HIGH FREQ
DC RECTIFIER
50C +O.5V
90C +8V
SHUTDOWN DETECTORS
CLIP RECTIFIER-BUFFER
LIMITING THRESHOLD +4.5V
4.5-6.5Vac CLIPPING PEAKS MUTE +4.5V
LOAD IMPEDANCE
SENSING
C 622
27p
R 640
12.1K-.5W
IDLE -1.2V
CLIP +3V PEAKS0-3Vac NORMAL AUDIO
NEGATIVE BIAS
CONTROLLER
BIAS ENABLE
POSITIVE BIAS
CONTROLLER
+23V ON/OFF ENABLE TRANSFORMER THERMAL SENSOR THERMAL BUS TO FAN SPEED CONTROL
U 603
IC-000010-00
TO SHEET 1
TO MUTING
N. C.
J 602-3
VR 601
100
BIAS
BIAS
R 699
50 OHM
25 C
C 604
.01
D 605
BIAS NETWORK
1N4004
C 612
D 606
1N4004
SPEAKER BUS
.0033
R 608
390
R 607
390
J 602-6
R 619
22-1W
R 618
22-1W
J 602-8
R 620 R 621 R 622
Q 608 Q 609 Q 610
Q 602
2SC3298B
R 604
4.7-1W
R 602
4.7-1W
Q 601
2SA1306B
AUDIO OUTPUT STAGE
Q 605 Q 606 Q 607
R 616 R 615 R 617
2SA1302
3 PL
-70 V
+70 V
2SC3281
3 PL
.22-3W
3 PL
.22-3W
3 PL
D 608
1N5402
D 607
IN5402
C 607
D 602
JUMPER
HEATSINK
GROUND
D 601
JUMPER
.10
R 624
3.9-2W
C 611
8200-80V
L 601
R 625
5.6-2W
C 610
8200-80V
2uH
R 623
5.6-2W
C 606
.10
R 642
47K-1W
TO -15V
TO -70 V RAIL
TO -24 V
TO RECT BR 601
BR 601
K 601
F 601
10A-250V
F 603
10A-250V
6-PIN MATE-LOK
N.C.
N.C.
TRANSFORMER
CENTER TAP
NO
NC
J 601
3
4
6
1
2
5
SPEAKER
OUTPUT
SPEAKER
COMMON
J 52-2
J 52-3
+INPUT
AUDIO INPUT STAGE
GND REF
PWR-ON
HEAVY LINE SHOWS
MAIN SIGNAL PATH
14
U 604
VTL 5C4
9
R 633
47K-1W
7
A
TO +70 V RAIL
RN 601
10K-4
U 606-B
5532
B
5
6
D
A
R 636
4.7K 464
+15 V
8
7
4
-15 V
C 625
68 p
R 637
A
C
A
R 641
U 606-A
590
R 638
75K
3
2
C 621
C 620
.0022
R 639
27pC 626
.10
47
1
J 602-4
J 602-4
J 602-4
D 613
1N4735
6.2 V
D 609
1N 4148
D 610
1N 4148
D 611
1N4735
6.2 V
SH0800K3.FCD
SH-004101-02 K
3 OF 3
Page 5
AC RELAY 1
AC RELAY 2
+24V
-24V
REG. +15V
- INPUT
+ INPUT
SIG. GND
SIG. GND
REG. -15V
THERM BUS, 0-8V
PWR-ON, 0-15V
SPKR SIGNAL, 5V PK
CLIP-LIM BUS, 0-4V
MUTE BUS, 0-8V
PWR GND
CH 2 PINS
- INPUT
+ INPUT
SIG. GND
SIG. GND
THERM BUS, 0-8V
PWR-ON, 0-15V
SPKR SIGNAL, 5V PK
CLIP-LIM BUS, 0-4V
MUTE BUS, 0-8V
PWR GND
J 1 26-PINS
25
26
10
9
12
1
2
3
5
11
23
19
15
21
17
13
4
6
7
8
24
19
16
22
18
14
RN101
10K D(C)
10K B
Q103
2N4410
R112
1.5K
RN103
1K-D
LD105
GRN
PWR ON
SCHEMATIC, EX-SERIES DISPLAY BOARD.
PC-004001-00, REV A.
100p
C101
10K C(D)
U101 B
8
5532
6
5
10K A
100p
+
C108
10uF
LD104
YEL YEL
-30
BA6124
U102
C105
10uF
VR101
7
4
10K
GAIN
R105
100
R109
3.9K
1K-D
LD103
C106
-10
10uF
R113
634
R107
330K
R108
536
RN 104
1K-C
NOTES
1. ALL RESISTORS 1/4 WATT UNLESS SPECIFIED.
2. ALL CAPACITORS 25V UNLESS SPECIFIED.
3. CH 2 RESISTOR NETWORK SECTIONS ( ) WHEN DIFFERENT.
4. CH 1 COMPONENTS NUMBERED 101-199
5. CH 2 COMPONENTS NUMBERED 201-299.
6. PARTS IN COMMON TO BOTH CHANNELS NUMBERED 1-99.
7. U102, 202 ROHM BA6124 OR SAMSUNG KA2284/85
8. LD 101, 102, HIGH-EFFICIENCY RED LED.
9. LD 103, 104, HIGH-EFFICIENCY YELLOW LED.
10. LD 105, HIGH-EFFICIENCY GREEN LED.
C102
R102
1K
LEVEL
R106
10K
R110
4.7K
A
LD102
RED
LIM-CLIP
1K-B
1K-A
Q 104
2N 4410
U101 A
5532
3
2
R103 R104
1K 536
R111
1.5K
C104
470 10V
+
C 109
10uF
Q102
2N
4410
1
RN102
C103
C107
4.7uf NP
10K-D(A)
10K-C(B)
10K-B(C)
10K-A(D)
.0033
C2
10uf
C1
10uf
Q101
MPS2907
+
+
D101
1N4004
R101
100
LD101
RED
TEMP-PROT
J101, 201 14-PINS
2
1
4
13
10
11
3
7
8
14
12
9
RN103
1K-C
1K-B
1K-A
5
6
+24V UNREG
-24V UNREG
+15V REG
TO AMP +INPUT
TO AMP -INPUT
SIG. GND
-15V REG
THERM BUS 0-8V
Vcc SENSE R
SPKR SIGNAL, 5V PK
CLIP-LIM BUS, 0-4V
MUTE BUS, 0-8V
PWR GND
PWR GND
PAT QUILTER 6-19-90
A PROD REL PER ECO 756
B REVISED PER ECO 1603 WR
SCHEMATIC DIAGRAM
EX-SERIES DISPLAY BOARD
6-19-90
9-29-92
SH-004001-00 1 B
FCAD: 004001SH SH4001B1.FDC
SH-004001-00 B
1 OF 1
Page 6
THIS DOCUMENT CONTAINS PROPRIETARY
INFORMATION WHICH IS THE PROPERTY
OF QSC AUDIO PRODUCTS
BE DISCLOSED, REPRODUCED OR USED
WITHOUT EXPRESS WRITTEN CONSENT FROM
QSC AUDIO PRODUCTS.
D
C
B
, THAT MAY NOT
4
3
2
1
REVISIONS
ZONE REV
DESCRIPTION
DATE
APPROVED
ABPROD REL PER ECO 756
6-10-91
1-24-92
L
G.
SGM
SGM
D
C
B
SCHEMATIC, EX-SERIES STANDARD INPUT BOARD.
FOR PC-004005-00 REV B 7-15-93
J 301
XLR
CH 1 +IN
2
3
1
A
J 31
W 304
SHIPPED XLR PIN 2 HI
MOVE W 303, 304 TO ALT
POSITION FOR PIN 3 HI
J 33
CH 1 -IN
GND
CH 2 -IN
CH 2 +IN
J 401
XLR
2
3
1
A
SHIPPED XLR PIN 2 HI
MOVE W 303, 304 TO ALT
POSITION FOR PIN 3 HI
W 303
A
W 403
PARALLEL
W 404
INPUTS
C 302 C 301
470 p 470 p
MONO-BRIDGE
CENTER
SW 31
STEREO
C 402 C 401
470 p 470 p
R 32 24K
3-POS
W 301
T 301
1 (1) 4 (5)
3 (4)
W 302
20.0 K
W 401
T 401
3 (4) 6 (8)
1 (1)
W 402
R 31
6 (8)
A
4 (5)
C 31
220p
(6, 7)
C 303
(6, 7)
R 301
R 401
C 403
CHANGE VALUE R31, WAS 21 K
SEE ECO 1097
C REVISED FOR MIN-SLOT, BR-SW
SEE ECO 1297 BY PHQ
D
PADS FOR LEVEL 1-A
OR 2-A ACCESSORY PCB
PIN 1 V+A
PIN 2 SP-A
PIN 3 GND
PIN 4 +1N A
A
A
W 305
W 306
W 406
W 405
NC
NC
PIN 5 +OUT A
PIN 6 -IN A
PIN 7 -OUT A
PIN 8 GND
PIN 9 CLIP
PIN 10 V-A
KEY
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
J 32
11
+15 V REG
16
CH 1 SPKR SIG
4
GND
6
1
2
22
12
10
9
21
8
7
3
5
14
13
15
18
17
20
19
24
23
26
25
GND
+INPUT CH 1
-INPUT CH 1
CH 1 CLIP-LIM
-15 V REG
-24 V
+24 V
CH 2 CLIP-LIM
GND
GND
-INPUT CH 2
+INPUT CH 2
GND
GND
CH 2 SPKR SIG
CH 1 MUTE
CH 2 MUTE
CH 1 PWR-ON
CH 2 PWR-ON
CH 1 THERMAL
CH 2 THERMAL
CH 1 AC RELAY
CH 2 AC RELAY
A
A
REVISE PER ECO 1916
NOTES, ALL REV LEVELS
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.
7. BOARD SHIPPED WITH W 301-304, W 401-404 MOUNTED AS SHOWN.
8. PARTS WITHIN DOTTED OUTLINE FOR USER MODIFICATION. SEE MANUAL.
A
NOTES, REV LEVELS A-B
1. THE FIRST YEAR OF PRODUCTION EX AMPLIFIERS SHIPPED WITH PC-004002-00 REV A OR B
2. FOR PC-004005-00 REV A, ADDED PADS 1-20 FOR LEVEL 1-A, 2-A INPUT ACCESSORY PCB
3. ADDED J33, 5-PIN INPUT EXTENDER HEADER AND W305,306,405 & 406.
4. NO CHANGE IN PINOUT OF J32, PINS 1-26
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES.
DIMENSIONS PER ANSI Y14.5-1982
TOLERANCES ARE:
DECIMALS
.XX .XXX
+
-
DEBURR EDGES .XXX R MAX
MATERIAL
+
-
5. SW-31 WAS REVISED ON PC-004005-00 REV A, BUT WILL NOT AFFECT FUNCTION OF UPPER SLOT PCB.
NOTES: UNLESS OTHERWISE SPECIFIED
4
PC-004005-00 EX/MPA SERIES
USED ONNEXT ASSY
APPLICATION
3
FINISH
DO NOT SCALE DRAWING
2
CONTRACT NO.
ANGLESDECIMALS
+
-
O
APPROVALS
DRAWN
PAT QUILTER
CHECKED
ISSUED
CAD SEED FILE NO.
SH40002C1.FCD
PARTS LIST
DATE
6-18-90
AUDIO PRODUCTS, INC.
COSTA MESA, CALIFORNIA
SCHEMATIC DIAGRAM
EX SERIES STANDARD,
INPUT BOARD
SIZE
FSCM NO. DWG NO. REV
C
SCALE
CAD FILE NO.
SH-004002-00 D
SHEET
1 OF 1SH4002D1.FCDNONE
1
A
Loading...