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+23V 0N/OFF ENABLE
TO SHEET 2
TRANSFORMER THERMAL SENSOR
THERMAL BUS TO FAN SPEED CONTROL
SCHEMATIC, 2-CH POWER AMPLIFIER, EX 1600
REV K, FOR PC-004105-00 REV D DOC NO. SH-004101-00
AUDIO AND POWER GROUNDS
R 53 3.3-1W
HEAT SINK GROUND
SHEET 1, HOUSEKEEPING SUPPLY AND FAN SPEED CONTROL
A
J 51
5 4
XF PTC XF PTC C 52 47-10NP R 51 47K
J 52-1
FAN RED
1
18 Vac RN 51 2.7K
+24 V +15 V -15 V -24 V
+24 V UNREG 1 +15 V REG 3 -15 V REG 4 -24 V UNREG 2
U 52 C 56 100 35 V C 55 100 35 V
7815
3 2
1
D 51 1N4004 C 53 2200 35V
BR 51
2
Q 52 2N2907
C 51 100-35V
24 V BRUSHLESS FAN FAN BLACK
18 Vac
J 52-4
D
D 53 1N4746, 18V D 52 1N4746, 18V
Q 53 2N4410 2.7K 2.7K R 52 180K
A B
C 57 .01
3
CT
C
C 54 2200 35V
2
Q 51 2SC3298B
3 1
U 51
7915
-24 V
2.7K
SCHEDULE OF TEST POINTS CH-1 CH 2
J 502-1
ETC
J 502-1 J 602-1 NEGATIVE LIMITING VOLTAGE J 502-2 J 602-2 POSITIVE LIMITING VOLTAGE J 502-3 J 602-3 SWITCHING THRESHOLD REFERENCE VOLTAGE J 502-4 J 602-4 AMPLIFIER LOOP OPAMP OUTPUT J 502-6 J 602-6 SWITCHED POS AMPLIFIER RAIL--HIGH VOLTAGE J 502-8 J 602-8 SWITCHED NEG AMPLIFIER RAIL--HIGH VOLTAGE PART NUMBERING SCHEDULE FOR PCBS USED IN EX-1600: PCB NUMBER PC-004001-00 PC-004002-00 PC-004105-00 PC-004105-00 PC-004105-00 DESCRIPTION INPUT PCB AMP PCB SPKR PCB AC PCB CH 1 PARTS CH 2 PARTS PARTS IN COMMON 101-199 301-399 501-599 701-799 201-299 401-499 601-699 801-899 1-29 31-49 51-69 71-99 DISPLAY PCB NOTES. 1. ALL RESISTORS 1/4-WATT, 5% UNLESS NOTED. 2. ALL CAPACITORS 100V UNLESS NOTED. TOLERANCE 20% FOR ELECTROLYTIC TYPES, 10% ON OTHER TYPES. 3. BRIDGE RECTIFIER BR 51, 1.5A, 100V. 4. R 598, 698 IS POSITIVE TEMPERATURE COEFFICIENT RESISTOR MOUNTED TO HEAT SINK. RESISTANCE 100 OHM COLD, RISING AT 55 C. QSC P/N RE-000006-PT 5. Q 503, 504, 603, 604 ARE SWITCHING FETS. QSC P/N QD-000031-QD. 125 W, 60 V MINIMUM, ON-RESISTANCE 0.030 OHMS MAX. 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 MARKED WITH TRIANGLE MUST BE REPLACED WITH EXACT TYPE ONLY. HAVE VOLTAGES GREATER THAN 42V. 9. PARTS ENCLOSED WITHIN DOTTED OUTLINE
+23V 0N/OFF ENABLE
901-UP (SAME BOARD FOR CH 1, CH2)
TO SHEET 3
TRANSFORMER THERMAL SENSOR
THERMAL BUS TO FAN SPEED CONTROL
LAST USED REF. DESIGN. BR 51, BR 502, 602 C51 - 57, C534, 634 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
SH-004101-00 1 K
VR503, 603
UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. DIMENSIONS PER ANSI Y14.5-1982 TOLERANCES ARE: DECIMALS
.XX
AUDIO PRODUCTS, INC.
ANGLES
DECIMALS
.XXX
+ -
+ -
+ -
DEBURR EDGES .XXX R MAX
SCHEMATIC DIAGRAM EX 1600
D
NONE
WP-004101-00
EX 1600
USED ON
NOTES: UNLESS OTHERWISE SPECIFIED
NEXT ASSY
SH-004101-00
SH4101K1.FCD
K
APPLICATION
SCHEMATIC, EX-1600, SHEET 2, AMPLIFIER CHANNEL A
TO -24 V
C 516 10-25V
R 531 470-1W
D 512 1N4004
MUTING INPUT CAP.
C 514 47-50V C 515 47-50V
T1 T2 T3
RELAY TIMING CAP.
ON-OFF MUTING DELAY SHUTDOWN MUTING RELAY MUTING BUS MUTE +8V RUN 0V
U 503 IC-000010-00
GROUND
MUTE -24V RUN +15V
14-PIN RIBBON J 503
T4 T5
TO +15V
DRIVER
MUTE BUS
MUTE
10
U 501
THERM ADJUST, 0.5-8.5V
HIGH RAIL
+108 V RAIL
R 543 330K
T6 R 532, 47K
THERMAL SENSE, 0-8V
IC-000008-00 THERMAL SENSING 50C +O.5V 90C +8V
LOSS-OF-SAT GATE DRIVER SHUTDOWN SCHMIDTT COMPARATOR GATE
T9 R 511 T8 22 FP
G D
BR 502 J 501 Q 504
S
T7
THERMAL BUS, 0-8V
PROCESSING BUFFER
C 527 .047-400A C 509 12000-63V C 529 .047-400A
TO -108 V RAIL
C 528 .047-400A C 530 .047-400A
F 502 15A-125V
6-PIN MATE-LOK
3
THERMAL
8
T8 C 517 220-10NP R 544 27K
OP-AMP OUT - HF PROTECT
SHUTDOWN DETECTORS THERMAL HIGH FREQ DC RECTIFIER
SOURCE REF
R 512 2.7-2W T7
C 503 .10
T9
DC PROTECT SENSE
F 504
4
T10 R 527 10K-2W T11
OP-AMP OUT THERMAL LIMITING
TO MUTING T1 CLIP RECTIFIER-BUFFER
REF VOLT
LOW RAIL
SHUTDOWN
SLEW
NEG SUPP
BOOTSTRAP CAP
T2
T3
T4
T5
T6 C 502 47-50V
D 502 MUR 810
BR 501 C 531 .047-400A C 533 .047-400A
TO -54 V RAIL
15A-125V
C 532 .047-400A C 534 .047-400A
F 501
6
LIMITING THRESHOLD +4.5V 0-3Vac NORMAL AUDIO 4.5-6.5Vac CLIPPING PEAKS
T12
OPTOCELL
IDLE -1.2V CLIP +3V PEAKS MUTE +4.5V
R 513 22K-1W D 504 7.5V
+54 V RAIL
15A-125V
T13
CLIP BUS
F 503
1
CLIP
11 TO +15 V
T14
+15 V SPEAKER BUS
15A-125V C 511
+54 +108 V SWITCHED BUS TRANSFORMER CENTER TAP 2 5
J 502-1 C 518 470-10V
TO -15 V
T15
-15 V
J 502-3
J 502-6 R 519 22-1W U 505-A 5532
1 3 2
12000-63V
R 520
R 521
T16
NEGATIVE BYPASS, -7.5V NORMAL, -2.5V SHORT
T17
NEGATIVE CURRENT FEEDBACK, -3V PEAK
R 599 NEGATIVE BIAS CONTROLLER
NEGATIVE TRIMMER
VR 501 100 BIAS U 505-B
5 6 4
R 522 .22-3W 3 PL K 501 D 508 1N5402 L 501 2uH
NC TO -24 V HEATSINK GROUND
R 529 10K-2W VR 502 5K + CURR LIM VR 503 5K - CURR LIM
T18 T19
OUTPUT VOLTAGE FEEDBACK
50 OHM 25 C
C 519 680p
+15 V 8 7
Q 508 R 508 332 R 503 750K R 506 1.5K Q 502 2SC3298B R 504 4.7-1W
Q 509
Q 510
NO
R 535 15K
SWITCHING THRESHOLD REFERENCE C
2SA1302 3 PL
AUDIO OUTPUT STAGE
T20
POS CURRENT TRIMMER
LOAD IMPEDANCE SENSING
BIAS ENABLE
C 504 .01 D 505 1N4004
J 52-5 R 525 5.6-2W R 524 3.9-2W
SPEAKER
-15 V
T21
POSITIVE CURRENT FEEDBACK +3V PEAK
POSITIVE BIAS CONTROLLER
BIAS NETWORK
A
R 534 2.7K
C 523 .0022
D B
R 501 750K R 507 332
R 505 1.5K
R 502 4.7-1W Q 501 2SA1306B Q 505 Q 506 2SC3281 3 PL Q 507 D 507 IN5402
R 523 5.6-2W C 506 .10
OUTPUT
T22
POSITIVE BYPASS, +7.5V NORMAL, +2.5V SHORT
C 512 .0033 D 506 1N4004
RN 502 1K-4 A
C 507 .10
SPEAKER COMMON
T23 C 513 470-10V J 502-2 GND GND GND
6 5 12 NEGATIVE DRIVER, -0.6V IDLE
J 52-6
T24
POSITIVE DRIVER, +0.6V IDLE
R 526 R 518 22-1W J 502-8
-54 V RAIL
R 516
R 515
T25
R 517 .22-3W 3 PL
C 510 12000-63V
3K-2W
-54 -108 V SWITCHED BUS TO RECT BR 501
A
D 503 7.5V
R 514 3K-2W
D 501 MUR 810 R 509 2.7-2W C 501 .10
R 542 47K-1W
SH-004101-00
R 528 7.5K-2W SPKR SIG
13
TO -15V
SPEAKER BUS
R 530 470-1W A
C 522 C 524 47-10NP
18p
T1
REF VOLT
T2
LOW RAIL
T3
SHUTDOWN
T4
GATE PWR SLEW
R 540 21.5K-.5W
GATE
T5
D
R 510 T6
22 FP
G S
Q 503
SCHMIDTT
LOSS-OF-SAT GATE DRIVER SHUTDOWN SOURCE REF
2
A R 536 1.5 K
HEAVY LINE SHOWS MAIN SIGNAL PATH
R 537 464
R 538 75K
COMPARATOR
C 521 .12
C 508 C 505 470-10V T7
-108 V RAIL
12000-63V
RN 501 10K-4
B A
K
U 502 IC-000009-00
A C 520 .0022
TO RECT BR 502
+INPUT
14
R 598 PTC-60C
THERMALLY CONNECTED TO Q 508
R 597 1K
U 504 VTL 5C4
AUDIO INPUT STAGE
+15 V 8 5 6 7 4 -15 V
U 506-B 5532 A
U 506-A R 541 590
3 2
R 539 47
1
GND REF
C 526 15 p
C
9 D
D 513 1N4735 6.2 V D 509 1N 4148
D 510 1N 4148
J 502-4
R 533 47K-1W PWR-ON
7 TO +54 V RAIL
D 511 1N4735 6.2 V
+23V 0N/OFF ENABLE
TO SHEET 1
TRANSFORMER THERMAL SENSOR
THERMAL BUS TO FAN SPEED CONTROL
C 525 68 p
D
SH-004101-00
SH4101K2.FCD
K
SCHEMATIC, EX-1600, SHEET 3, AMPLIFIER CHANNEL B
+23V 0N/OFF ENABLE
TO SHEET 1
TRANSFORMER THERMAL SENSOR
THERMAL BUS TO FAN SPEED CONTROL
TO -24 V
J 603 +24 V +15 V -15 V -24 V
1 3 4 2
14-PIN RIBBON
N.C. N.C. N.C. N.C.
D 612 1N4004 R 631 470-1W
R 698 PTC-60C
THERMALLY CONNECTED TO Q 607
C 616 10-25V
MUTING INPUT CAP.
C 614 47-50V C 615 47-50V
T1 T2 T3
RELAY TIMING CAP.
ON-OFF MUTING DELAY SHUTDOWN MUTING RELAY MUTING BUS MUTE +8V RUN 0V
U 603 IC-000010-00
U 601 IC-000008-00
SCHMIDTT COMPARATOR
HIGH RAIL
+108 V RAIL
BR 602 J 601
D
T9
GATE
R 611 T8
22 FP
G S
Q 604 C 609 12000-63V
C 627 .047-400A C 629 .047-400A
TO -108 V RAIL
C 628 .047-400A C 630 .047-400A
F 602 15A-250V
6-PIN MATE-LOK
3
GROUND
MUTE -24V RUN +15V
LOSS-OF-SAT GATE DRIVER SHUTDOWN SOURCE REF
T4 MUTE
10 TO +15V
DRIVER
R 612 2.7-2W T7
C 603 .10
MUTE BUS
F 604
4
T5
REF VOLT THERM ADJUST, 0.5-8.5V LOW RAIL SHUTDOWN SLEW NEG SUPP BOOTSTRAP CAP
R 643 330K
T6 R 632, 47K
THERMAL SENSE, 0-8V
T1 THERMAL SENSING 50C +O.5V 90C +8V PROCESSING BUFFER
T2
T3
T4
T5
T6 C 602 47-50V R 613 22K-1W
D 602 MUR 810
BR 601 C 631 .047-400A C 633 .047-400A
TO -54 V RAIL
15A-250V
C 632 .047-400A C 634 .047-400A
F 601
6
T7
THERMAL BUS, 0-8V 8
15A-250V
T8 C 617 220-10NP R 644 27K
OP-AMP OUT - HF PROTECT
SHUTDOWN DETECTORS THERMAL HIGH FREQ DC RECTIFIER
D 604 7.5V
+54 V RAIL
F 603
1
T9
DC PROTECT SENSE
15A-250V TO MUTING
SPEAKER BUS +54 +108 V SWITCHED BUS
T10 R 627 10K-2W T11
OP-AMP OUT THERMAL LIMITING
C 611 J 602-6 R 619 22-1W R 620 R 621 R 622 .22-3W 3 PL D 608 1N5402 L 601 2uH
NC TO -24 V HEATSINK GROUND
TRANSFORMER CENTER TAP 2 5
J 602-3 CLIP RECTIFIER-BUFFER LIMITING THRESHOLD +4.5V 0-3Vac NORMAL AUDIO 4.5-6.5Vac CLIPPING PEAKS IDLE -1.2V CLIP +3V PEAKS MUTE +4.5V VR 601 100 BIAS U 605-B
5
12000-63V
T12
OPTOCELL
T13
CLIP BUS
R 699 50 OHM 25 C
C 619 680p
+15 V 8 7
U 605-A 5532
1
K 601
NO
3 2
Q 608 R 608 332 R 603 750K R 606 1.5K Q 602 2SC3298B R 604 4.7-1W
Q 609
Q 610
CLIP
11 TO +15 V
T14
+15 V
R 635 15K
SWITCHING THRESHOLD
2SA1302 3 PL
AUDIO OUTPUT STAGE
J 602-1 C 618 470-10V
TO -15 V
T15
-15 V
C 604 .01 D 605 1N4004
BIAS NETWORK NEGATIVE CURRENT FEEDBACK, -3V PEAK
6 4 -15 V
REFERENCE C
J 52-2 R 625 5.6-2W R 624 3.9-2W
SPEAKER OUTPUT
T16
NEGATIVE BYPASS, -7.5V NORMAL, -2.5V SHORT
T17 NEGATIVE BIAS CONTROLLER
NEGATIVE TRIMMER
A
R 634 2.7K
C 623 .0022
D B
R 601 750K R 607 332
R 605 1.5K
R 602 4.7-1W Q 601 2SA1306B Q 605 Q 606 2SC3281 3 PL Q 607 D 607 IN5402
R 629 10K-2W VR 602 5K + CURR LIM VR 603 5K - CURR LIM
T18 T19
OUTPUT VOLTAGE FEEDBACK
C 612 .0033 D 606 1N4004
RN 602 1K-4 A
C 607 .10
R 623 5.6-2W C 606 .10
SPEAKER COMMON
J 52-3
T20
POS CURRENT TRIMMER
LOAD IMPEDANCE SENSING
R 626 BIAS ENABLE R 618 22-1W J 602-8 R 616 R 615 R 617 .22-3W 3 PL C 610 12000-63V
TO RECT BR 601
3K-2W
T21
POSITIVE CURRENT FEEDBACK +3V PEAK
-54 -108 V SWITCHED BUS
POSITIVE BIAS CONTROLLER D 603 7.5V
-54 V RAIL
T22
POSITIVE BYPASS, +7.5V NORMAL, +2.5V SHORT
T23 C 613 470-10V J 602-2 GND GND GND
6 REF VOLT 5 12 LOW RAIL SHUTDOWN SLEW NEGATIVE DRIVER, -0.6V IDLE
R 614 3K-2W
D 601 MUR 810 R 609 2.7-2W C 601 .10
R 642 47K-1W
TO -15V
T24
POSITIVE DRIVER, +0.6V IDLE
T25
T1
T2
T3
T4
GATE PWR
SH-004101-00
T5
D
A
SCHMIDTT LOSS-OF-SAT GATE DRIVER SHUTDOWN SPEAKER BUS COMPARATOR
GATE
R 610 T6
22 FP
G S
Q 603
R 628 7.5K-2W SPKR SIG
13
C 608 C 605
SOURCE REF
R 630 470-1W A
C 624 47-10NP
C 622
18p
U 602 IC-000009-00
470-10V T7
-108 V RAIL
12000-63V
TO RECT BR 602
R 636 1.5 K A
B A
R 637 464
R 640 21.5K-.5W
3 K
HEAVY LINE SHOWS MAIN SIGNAL PATH
RN 601 10K-4
R 638 75K
C 621 .12 C 620 .0022 R 639 47
1
+INPUT
14
A R 697 1K U 606-B 5532
6 4 -15 V 5 +15 V 8 7
U 604 VTL 5C4
AUDIO INPUT STAGE
U 606-A R 641 590
3 2
A
D 610 1N 4148 C 626 15 p D 613 1N4735 6.2 V D 609 1N 4148
J 602-4
GND REF
9 D C
R 633 47K-1W PWR-ON
7 TO +54 V RAIL
D 611 1N4735 6.2 V
C 625 68 p
D
SH-004101-00
SH4101K3.FCD
K
XXXXXXXXXXX
X
X
PC TERMS
R 901
AC HI (SW)
230V
NC NC 120V
120V
FAN 120V 120V
100V
NC 100V 100V
POWER TRANSFORMER XF-001510-00
FUSE
913 914
PRIMARY
SECONDARY LEAD COLOR RED TERM NO 7 8 9 10 11 12
901 1 OHM COLD SEE TABLE
915
TERM NO 904 905 906 120V OV FAN NC NC NC 120V 120V FAN 1 2
AC VOLTS 120 Vac 100 Vac
LEAD COLOR BLK BLK/WHT
ORG BLU WHT/RED WHT/ORG
3
0 Vac (Coil on Leg One)
WHT
WHT/BLU
C 901 .068 250 VAC
902 903
100V 100V
100V 100V
NC NC
(Coil on Leg Two) BLU 4 5 120 Vac 100 Vac BRN BRN/YEL GRY GRN WHT/BLU WHT/GRY 13 14 15 16 17 18 19
908 909
AC LO
NC OV THRM
0V 0V THRM
0V 0V THRM 6 0 Vac YEL
907 R 902 1.2K-5W
910
WHT/GRN GRN/WHT SEE PARA 3.3.2 GRN/WHT
911 912
THRM FAN
THRM FAN
THRM FAN
FUSE VALUES
1600 1250 800 1500 2000 2 CHANS PER CHAN. 15A 12A 12A 15A 12A 30A 30A? 20A 30A 20A 30A 30A 20A 30A 20A
20 21
PURP/WHT SEE PARA 3.3.2 PURP/WHT
22
120 VOLT AC PCB WIRING
NOT USED NOT USED NOT USED 100VAC (XFRMR BROWN/YELLOW) 100 VAC (XFRMR BLACK/WHITE) SWITCH RETURN (RED)
R901
100 VOLT AC PCB WIRING
AC LO (WHITE) OVAC (XFRMR YELLOW) OVAC (XFRMR WHITE) THRM FAN 120VAC (XFRMR BROWN) 120VAC (XFRMR BLACK) N.C. N.C. SWITCH RETURN (RED)
R901
230 VOLT AC PCB WIRING
AC LO (WHITE) OVAC (XFRMR YELLOW) OVAC (XFRMR WHITE) THRM FAN 0 VAC WHITE 120VAC (XFRMR BROWN) 100VAC (XFRMR BROWN/YELLOW) 100 VAC (XFRMR BLACK/WHITE) SWITCH RETURN (RED)
R901
AC LO (WHITE) N.C. OVAC (XFRMR YELLOW) THRM
907
908
909 R902
910
907
908
909 R902
910
907
908
909 R902
910
C901
C901
F901
F901
901
902
903
904
905
906
901
902
903
904
905
906
901
902
903
904
905
906
RISK OF FIREREPLACE WITH FUSE AS MARKED
RISK OF FIREREPLACE WITH FUSE AS
F901
C901
RISK OF FIREREPLACE WITH FUSE AS
911
912
913
914
915
20A 250V
911
912
913
914
915
MARKED
20A 250V
911
912
913
914
915
MARKED
20A 250V
THRM FAN FAN 120 VAC 120VAC (XFRMR BLACK) 120VAC (XFRMR BROWN)
THRM FAN N.C. 100VAC (XFRMR BLK/WHT) 100VAC (XFRMR BRN/YEL)
THRM FAN N.C. N.C. 120VAC (XFRMR BLACK)
AUDIO PRODUCTS
.02 .010
SCHEMATIC/WIRING DIAGRAM EX/MX 2 SPACE AMPS
SH-004103-00
NONE
4
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.
3
2
1
REVISIONS
ZONE REV DESCRIPTION DATE APPROVED
C
PROD RELEASE PER ECO 1846
L G.
D
D
PC TERMS
FUSE F901 913
TABULATION BLOCK MODEL (V) FUSE F901
20A 250V 20A 250V 12A 250V 20A 250V 20A 250V 12A 250V 30A 125V 30A 125V 15A 250V 20A 250V 20A 250V 12A 250V 30A 125V 30A 125V 15A 250V 1.2K 5W 1.2K 5W 1.2K 5W 1.2K 5W 1.2K 5W 1.2K 5W
AC HI (SW)
R 901
R 902
R 901
1.0 OHM 30 A 1.0 OHM 30 A 2.5 OHM 15 A 1.0 OHM 30 A 1.0 HOM 30 A 2.5 OHM 15 A 1.0 OHM 30 A 1.0 OHM 30 A 2.5 OHM 15 A 1.0 OHM 30 A 1.0 OHM 30 A 2.5 OHM 15 A 1.0 OHM 30 A 1.0 OHM 30 A 2.5 OHM 15 A
901 SEE TAB BLK SEE TAB BLK
914 EX 800 (100V) 915 EX 800 (120V) 904 EX 800 (230V) EX 1250 (100V) EX 1250 (120V) 906 EX 1250 (230V) C 901 .068 250 VAC 902 903 EX 1600 (100V) EX 1600 (120V) EX 1600 (230V) 907 MX 1000a (100V) 908 MX 1000a (120V) MX 1000a (230V) MX 1500a (100V) 911 MX 1500a (120V) 912 MX 1500a (230V)
C
905
C
AC LO
909 R 902 SEE TAB BLK
910
B
B
PARTS LIST
UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. CONTRACT NO.
A
DIMENSIONS PER ANSI Y14.5-1982 TOLERANCES ARE: DECIMALS DECIMALS ANGLES O APPROVALS DATE
AUDIO PRODUCTS, INC.
COSTA MESA, CALIFORNIA
A
.XX
+ -
.XXX
+ -
+ DRAWN
DEBURR EDGES .XXX R MAX
1. THIS DRAWING USED IN CONJUCTION WITH SCHEMATIC DIAGRAMS
MATERIAL
LEORA
CHECKED
5-13-93
SH-004100-00, SH-004100-01, SH-004101-00, SH-004101-01, SH-004101-02, SH-001010-00, SH-001011-00, SH-001510-00, AND SH-001511-00
SCHEMATIC, AC PCB EX/MXa 2 SP.
SIZE FSCM NO. DWG NO. REV
PC-004103-00
EX/MXa 2 SP.
USED ON
FINISH
ISSUED
NOTES: UNLESS OTHERWISE SPECIFIED
NEXT ASSY
CAD SEED FILE NO.
C
SCALE
SH-004103-00
NONE
CAD FILE NO.
C
1 OF 1
APPLICATION
DO NOT SCALE DRAWING
SH4103C1.FCD
SHEET
4
3
2
1
SCHEMATIC, EX-SERIES DISPLAY BOARD.
PC-004001-00, REV A. J 1 26-PINS
AC RELAY 1 AC RELAY 2 +24V -24V REG. +15V 25 26 10 9 12
A PROD REL PER ECO 756 B REVISED PER ECO 1603 WR
6-19-90 9-29-92
J101, 201 14-PINS
2 1 4 +24V UNREG -24V UNREG +15V REG
C101 RN101 10K D(C)
- INPUT 1
100p 10K C(D)
8
U101 A 5532 U101 B 5532 VR101
7 4 3
C107 4.7uf NP
C2 10uf
+
R110 4.7K 10K GAIN
2
13 1 10
TO AMP +INPUT TO AMP -INPUT
R102 1K 10K B
6 5
+ INPUT
2
10K A
SIG. GND SIG. GND 3
R103 1K
R104 536
C102
5
100p A
C1 + 10uf
11 SIG. GND
REG. -15V THERM BUS, 0-8V
11 23
3 7
-15V REG THERM BUS 0-8V
Q103 2N4410 R112 1.5K
PWR-ON, 0-15V SPKR SIGNAL, 5V PK CLIP-LIM BUS, 0-4V MUTE BUS, 0-8V 19 15 21 17 8 Vcc SENSE R
+ C108 10uF
R111 1.5K
14 12 9 SPKR SIGNAL, 5V PK CLIP-LIM BUS, 0-4V MUTE BUS, 0-8V
R105 LEVEL LD104 YEL -30 BA6124 RN103 1K-D LD105 GRN PWR ON 100 LD103 YEL -10
R109 3.9K 1K-D LD102 R113 634 RED LIM-CLIP 1K-B 1K-A C 109 10uF Q102 2N 4410 10K-A(D) D101 1N4004 C104 470 10V RN102 + 10K-D(A) 10K-C(B) 10K-B(C) Q101 MPS2907
RN103 1K-C 1K-B
SH-004001-00 1 B
C106 10uF
U102
R107 330K R108
1K-A R101 100
R106 10K C105 10uF
536 RN 104 1K-C
Q 104 2N 4410 C103 .0033
LD101 RED TEMP-PROT
5 6
PWR GND PWR GND
PWR GND
13
NOTES 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 4 6 7 8 24 19 16 22 18 14
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. PAT QUILTER 6-19-90
SCHEMATIC DIAGRAM EX-SERIES DISPLAY BOARD SH-004001-00 B
FCAD: 004001SH
SH4001B1.FDC
1 OF 1
4
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.
3
2
1
REVISIONS
ZONE REV DESCRIPTION DATE APPROVED
A B
PROD REL PER ECO 756 CHANGE VALUE R31, WAS 21 K
SEE ECO 1097 6-10-91 SGM
C
REVISED FOR MIN-SLOT, BR-SW
SEE ECO 1297 BY PHQ L G.
1-24-92
SGM
D
D
REVISE PER ECO 1916
D
SCHEMATIC, EX-SERIES STANDARD INPUT BOARD.
FOR PC-004005-00 REV B 7-15-93 W 301 C 302 470 p J 301 XLR
2 3 1
PADS FOR LEVEL 1-A OR 2-A ACCESSORY PCB
PIN 1 V+A
J 32
11
+15 V REG CH 1 SPKR SIG GND GND +INPUT CH 1
PIN 2 SP-A 16 PIN 3 GND 4 PIN 4 +1N A 6
C 301 470 p T 301
1 (1) 4 (5) 6 (8)
R 301
(6, 7)
W 304 W 303
A
A C 303
W 305
PIN 5 +OUT A PIN 6 -IN A
1
3 (4)
A J 31 CH 1 +IN
SHIPPED XLR PIN 2 HI MOVE W 303, 304 TO ALT POSITION FOR PIN 3 HI
W 306 W 302 NC R 31 20.0 K R 32 24K C 31 220p
PIN 7 -OUT A PIN 8 GND PIN 9 CLIP
2
-INPUT CH 1
J 33 CH 1 -IN
22 PIN 10 V-A 12 KEY PIN 11 V- B PIN 12 CLIP B 10 9
CH 1 CLIP-LIM -15 V REG -24 V +24 V CH 2 CLIP-LIM GND GND -INPUT CH 2
C
GND CH 2 -IN CH 2 +IN
A
INPUTS PARALLEL CENTER STEREO
MONO-BRIDGE
A
C
SW 31 3-POS
W 401 NC
PIN 13 GND
21 8 7 PIN 14 -0UT B 3 PIN 15 -IN B
J 401 XLR
2 3 1
W 403 W 404 C 402 A
SHIPPED XLR PIN 2 HI MOVE W 303, 304 TO ALT POSITION FOR PIN 3 HI
T 401
3 (4) 1 (1) 6 (8) 4 (5)
R 401
(6, 7)
W 406
A W 405 C 403
PIN 16 +OUT B 5
+INPUT CH 2 GND GND CH 2 SPKR SIG
C 401 470 p W 402
PIN 17 +IN B 14 PIN 18 GND
470 p
A
PIN 19 SP-B PIN 20 V+B PIN 21 SPARE PIN 22 SPARE
13
15
18
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
B
17 20 19 24 23 26 25
B
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.
UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. DIMENSIONS PER ANSI Y14.5-1982 CONTRACT NO.
PARTS LIST
A
AUDIO PRODUCTS, INC.
COSTA MESA, CALIFORNIA
DATE
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 5. SW-31 WAS REVISED ON PC-004005-00 REV A, BUT WILL NOT AFFECT FUNCTION OF UPPER SLOT PCB.
TOLERANCES ARE: DECIMALS DECIMALS ANGLES O APPROVALS
A
.XX
+ -
.XXX
+ -
+ DRAWN
DEBURR EDGES .XXX R MAX MATERIAL CHECKED
PAT QUILTER
6-18-90
SCHEMATIC DIAGRAM EX SERIES STANDARD, INPUT BOARD
SIZE FSCM NO. DWG NO. REV
PC-004005-00
EX/MPA SERIES
USED ON
FINISH
ISSUED
NOTES: UNLESS OTHERWISE SPECIFIED
NEXT ASSY
CAD SEED FILE NO.
C
SCALE
SH-004002-00
NONE
CAD FILE NO.
D
1 OF 1
APPLICATION
DO NOT SCALE DRAWING
SH40002C1.FCD
SH4002D1.FCD
SHEET
4
3
2
1