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DCM-1
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QSC DCM-1 Schematic

P
This document and the data disclosed herein or herewith is not to be reproduced, used, or disclosed in whole or in part to anyone without the written permission of THAT Corporation.
54321
A PRODUCTION RELEASE PER ECO 5344 6-28-02
6
Date ApprovedDescriptionRev
D
D
UNLESS OTHERWISE NOTED:
1.0 All resistor values are expressed in Ohms.
305-0200 305-0200.SCH
1.1 All resistors are 1/4 Watt types with their tolerance and material coded into their value. VALUE 1%, Metal Film 5%, Carbon Film
C
0 Ohm to 0.99 Ohms 0R to 0R976 0R to 0R91 1 Ohm to 99 Ohms 1R00 to 97R6 1R0 to 91R 100 Ohms to 999 Ohms 100R0 to 976R0 100R to 910R 1k Ohm to 9k9 Ohms 1k00 to 9k76 1k0 to 9k1
305-0300 305-0300.SCH
C
10k Ohms to 99k Ohms 10k0 to 97k6 10k to 91k 100k Ohms to 999k Ohms 100k0 to 976k0 100k to 910k 1M Ohm to 99M Ohms 1M00 to 97M6 1M0 to 91M
2. All resistor networks are 2%, 1/8 Watt types with their values expressed in Ohms.
3.0 All capacitor values are expressed in Farads
305-0400 305-0400.SCH
3.1 All 100n bypass capacitors are 20%, 50 Volt, Z5U, Ceramic Monolythic types.
3.2 All non-electrolytic capacitors are 10%, 50 Volt, X7R, Ceramic Monolythic types.
3.3 All NPO capacitors are 5%, 50 Volt, Ceramic Monolythic types.
3.4 All MY capacitors are 5%, 50 Volt, Metalized Polyester types.
3.5 All PP capacitors are 5%, 50 Volt, Metalized Polypropylene types.
3.6 All PC capacitors are 5%, 50 Volt, Metalized Polycarbonate types.
3.7 All electrolytic capacitors are 20%, 16 Volt (or higher), Aluminum Electrolyte types.
305-0500 305-0500.SCH
3.8 All TA capacitors are 20%, 16 Volt (or higher), Tantalum Electrolyte types.
B
4. For complete information on any component please see the associated bill of materials.
B
5. All net names preceded by a / are active low signals.
45 Sumner Street
A
Checked: Date:
Proj. Eng.:
Chf. Eng.:
Production:
1 2 3 4 56
Date:
Date:
Date:
THAT Corporation
Title:
Size:
Date: File:
QSC Digital Cinema Monitor
DCM Front Panel & Power Amp (For 1, 2 & 3)
B
28-Jun-2002 1 5 F:\DM\SH\SH000092\DEV_WORK\SH0092rA.DDB - Documents\SH0092rA.
PC-000092-00 A
A. ARANDA
Milford, MA 508-478-9200
Revision:
Sheet ofDrawn by:
A
C
This document and the data disclosed herein or herewith is not to be reproduced, used, or disclosed in whole or in part to anyone without the written permission of THAT Corporation.
54321
6
Date ApprovedDescriptionRev
VCC
12
VCC
13
13
RN1B 10k
RN10B 10k
12
RN10A 10k
RN1A 10k
14
D
MODE
SW1 SPST NO
LEFT
SW2 SPST NO
CENT
SPST NO
SW3
RITE
SPST NO
SW4
C
SW5
SW6
SW7
SW8
B
SW9 SPST NO
SW10 SPST NO
A
SURL
SPST NO
SURR
SPST NO
SUBW
SPST NO
DIAG
SPST NO
LCNT
RCNT
Parts in dashed area are used only in the DCM-2 & 3
1 2 3 4 56
15
RN1D 10k
RN10C 10k
14
15
RN10D 10k
RN1C 10k
17
16
RN10E 10k
RN1F 10k
16
17
RN10F 10k
RN1E 10k
19
18
RN10G 10k
RN1H 10k
110
19
RN10H 10k
RN1I 10k
RN2A
470R
RN3A
470R
RN2B
470R
RN3B
470R
RN2C
470R
RN3C
470R
RN2D
470R
RN3D
470R
R38
470R
R39
470R
From LED Logic
12
12
34
34
56
56
78
78
SW8
SW9
SW10 SW11 SW12 SW13 SW14 SW15
SERLED
SW0 SW1 SW2 SW3 SW4 SW5 SW6 SW7
SCK FP
SSKEYA SSKEYB
SCK FP
SSKEYA SSKEYB
15
1 2 3 4 5 6 7
11 12 13 10
15
1 2 3 4 5 6 7
11 12 13 10
U1A
SDI14SDO D0 D1 D2 D3 D4 D5 D6 D7
SCLK RCLK LOAD OE
74HC589B
U7A
SDI14SDO D0 D1 D2 D3 D4 D5 D6 D7
SCLK RCLK LOAD OE
74HC589B
VCC
18
RN1G 10k
9
VCC
168
VCC U1B
74HC589B
GND
VCC
110
RN10I 10k
9
VCC
168
VCC U7B
74HC589B
GND
C901 100n
C15 100n
PH1 LINK
PH1 used only in DCM-1
MISO FP
To Compressor
D33 RED
R1 470R
From Rear Panel Bypass Mode Switch
MONOUT
MONMUTE
P2 HDR 5X2
1 2
3 4
V-
Checked: Date:
Proj. Eng.:
Chf. Eng.:
Production:
Date:
Date:
Date:
D
From Rear Panel
VCC
SSLED
C7 10u
1 2
3 4
5 6
/CLIP
STDBY
STDBYC
V+
5 6
7 8
9 10
/BYPASS
THAT Corporation
Title:
SSKEYB
P1 HDR 5X2
SSKEYA
7 8
9 10
MISO FP SCK FP MOSI FP
C
VCC
DPDT-S
4
5
6SW11
Normal
1
2
3
Bypass
R3 4k7
45 Sumner Street
Milford, MA 508-478-9200
B
A
DCM FRONT PANEL
I/O Interface & Button Logic
Size:
Date: File:
B
28-Jun-2002 2 5 F:\DM\SH\SH000092\DEV_WORK\SH0092rA.DDB - Documents\305-0200.S
PC-000092-00 A
A. ARANDA
Revision:
Sheet ofDrawn by:
C
This document and the data disclosed herein or herewith is not to be reproduced, used, or disclosed in whole or in part to anyone without the written permission of THAT Corporation.
54321
6
Date ApprovedDescriptionRev
D
C
B
MOSI FP
SCK FP SSLED
VCC
VCC
VCC
11 12 10 13
11 12 10 13
11 12 10 13
U2A
SDI14SDO
SCLK RCLK CLR OE
74HC595B
U3A
SDI14SDO
SCLK RCLK CLR OE
74HC595B
U4A
SDI14SDO
SCLK RCLK CLR OE
74HC595B
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
9 15 1 2 3 4 5 6 7
78
RN4D 470R
D19 GRN
POWER FAULT AMP
9 15 1 2 3 4 5 6 7
RN7D 470R
7 8
D5 GRN
PROC PROC PROC SL SR SUB
9 15 1 2 3 4 5 6 7
78
RN9D 470R
D24 YEL
RN4C 470R
5 6
RN6D 470R
7 8
RN8D 470R
7 8
D18 RED
D7 GRN
D23 YEL
L2
34
RN4B 470R
RN7C 470R
5 6
RN9C 470R
5 6
D17 YEL
D6 GRN
D22 YEL
78
RN4A 470R
1 2
D14 YEL
MODE MODE
RN6C 470R
5 6
D13 YEL
AMP AMP L1 C1
RN8C 470R
5 6
D21 YEL
PROCAMP
RN5D 470R
RN7B 470R
3 4
RN9B 470R
3 4
D4 GRN
D12 YEL
D20 YEL
56
RN5C 470R
D3 GRN
PROC PROC PROC LCR
RN6B 470R
3 4
D11 YEL
AMP AMP AMP R1 SL1
RN8B 470R
3 4
D8 YEL
12
RN5A 470R
RN7A 470R
1 2
RN9A 470R
1 2
D2 GRN
D10 YEL
D16 YEL
SR1
34
RN5B 470R
RN6A 470R
1 2
RN8A 470R
1 2
D1 GRN
D9 YEL
D15 YEL
SCK FP SSLED
PH2 used only in DCM-1
PH2
LINK
U8A
VCC
11 12 10 13
74HC595B
VCC
168
VCC U8B
74HC595B
GND
SDI14SDO
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
SCLK RCLK CLR OE
VCC VCC VCC
168
VCC U2B
74HC595B
GND
9 15 1 2 3 4 5 6 7
RN12D 470R
7 8
D28 YEL
AMP AMP AMP C2 R2 LC2
C17 100n
C903 100n
5 6
Parts in dashed area are used only in the DCM-2 & 3
SERLED
RN12C 470R
D27 YEL
168
VCC U3B
74HC595B
GND
To Button Logic
3 4
RN12B 470R
D26 YEL
C904 100n
1 2
AMP RC2
VCC U4B
74HC595B
GND
RN12A 470R
D25 YEL
168
C905 100n
56
RN11C 470R
D30 GRN
PROC PROC AMP LC RC LC1
34
RN11B 470R
D31 GRN
RN11A 470R
1 2
D32 YEL
7 8
AMP RC1
RN11D 470R
D29 YEL
D
C
B
AMP AMP AMP SL2 SL3
A
1 2 3 4 56
SR2
AMP AMP SR3 SUB1
AMP AMP AMP SUB2 SUB3 SUB4
Checked: Date:
Proj. Eng.:
Chf. Eng.:
Production:
Date:
Date:
Date:
45 Sumner Street
THAT Corporation
Title:
DCM FRONT PANEL
Milford, MA 508-478-9200
LED Driver Logic
Size:
Date: File:
B
28-Jun-2002 3 5 F:\DM\SH\SH000092\DEV_WORK\SH0092rA.DDB - Documents\305-0300.S
PC000092-00 A
A. ARANDA
Revision:
Sheet ofDrawn by:
A
C
This document and the data disclosed herein or herewith is not to be reproduced, used, or disclosed in whole or in part to anyone without the written permission of THAT Corporation.
V+
D
C
MONOUT
Maximum Input level +10 dBV
B
C22
100n MY
D34 1N4148
D35 1N4148
V-
Low Frequency Peak
R11
3k3
C19
100n MY
R18 100k
54321
R20
51R
C24 100p NPO
C29 100p NPO
R21
51R
BUFFOUT VCAIN
6
OA2
8
U5C 4301P
J1 TP
Optional Symmetry Trim
Front Panel
Test points
J2 TP
C26
10u
7
0 dB-50 dB
R26 2k4
C27 10u
RMS
R13
330k
R25
10k
VOL IN1
R2
10M
4301P
CT
4
5
IN
IT
OUT
RMS
C25
10u
R24
10k
V-
Monitor Volume Control
1
2
R4 2M0
VR1 10k POT
U5B
VR2 50k TRIM
V-
R8
20k
C23
560p
R19
33k
High Frequency Boost
NI1
R6 330k
R5 51R
19
20
R9 3k6
V+
C11 100n
17
C9
EC
100n Z5U
R10
10k
OA1
U5D 4301P
Compression Ratio = 1.4 : 1
IN
18
15
16
EC+
EC-
C28 10u
14
SYM
GND
9
V+
11
10
C10
100n
V+
V-
OUT
C8
IN3
100p NPO
R7
13
20k
U5A
4301P
MONMUTE
12
R29 10k
R37 10k
OA3
V-
+7 dBV Max Output
CMPOUT
V+
Q1 2SC1815
R23 47K
R22
100k
C18 100n Z5U
Q2 J174
R32 10k
R36 1k0
AMPIN
6
Date ApprovedDescriptionRev
Attenuation
-20 dB
P5 1 2 3
HDR 3X1
To Power Amp
-18 dBV Max Input
D
C
B
V-
45 Sumner Street
A
Checked: Date:
Proj. Eng.:
Chf. Eng.:
Production:
1 2 3 4 56
Date:
Date:
Date:
THAT Corporation
Title:
Size:
Date: File:
DCM FRONT PANEL
Buffer / Compressor
B
28-Jun-2002 4 5 F:\DM\SH\SH000092\DEV_WORK\SH0092rA.DDB - Documents\305-0400.S
PC-000092-00 A
A. ARANDA
Milford, MA 508-478-9200
Revision:
Sheet ofDrawn by:
A
C
This document and the data disclosed herein or herewith is not to be reproduced, used, or disclosed in whole or in part to anyone without the written permission of THAT Corporation.
54321
6
Date ApprovedDescriptionRev
D
VPA+
From Power Supply
C
From Front Panel
P8
HDR 3X1
P7
HDR 3X1
3 2 1
1 2 3
C20 100u
C21 100u
PWRAMP
C14 100n
C6
10u
C12
1u
R35
120k
VCC
GND
11
BSTR
OUT
C4
100u
U6A TDA2005M
10
R17 1k0
3
9
1
IN+
SVRR
2
IN-
6
Amp Gain = 34 dB Maximum Power = 10.4 Watts at clipping Maximum Input = -18 dBV (output clips)
To 4 Ohm Speaker
1
2
R16 1R0
SPKR+
P3 HDR 2X1
SPKR-
R34 1R0
R14 1k0
8
C3
100u
U6B TDA2005M
OUT
7
BSTR
IN+
IN-
C5
5
1u
4
D
C
C2
470u 10V
B
PAGND
A
1 2 3 4 56
R12 36R
C13 100n Z5U
R15
1k0
C16 100n Z5U
Checked: Date:
Proj. Eng.:
Chf. Eng.:
Production:
R33 36R
C1
470u 10V
Date:
Date:
Date:
45 Sumner Street
THAT Corporation
Title:
DCM FRONT PANEL
Milford, MA 508-478-9200
Power Amplifier Module
Size:
Date: File:
B
28-Jun-2002 5 5 F:\DM\SH\SH000092\DEV_WORK\SH0092rA.DDB - Documents\305-0500.S
PC-000092-00 A
A. ARANDA
Revision:
Sheet ofDrawn by:
B
A
This document and the data disclosed herein or herewith is not to be reproduced, used, or disclosed in whole or in part to anyone without the written permission of THAT Corporation.
54321
A PRODUCTION RELEASE PER ECO 5344 6-28-02
6
Date ApprovedDescriptionRev
D
304-0204 304-0204.SCH
304-0304 304-0304.SCH
304-1004 304-1004.SCH
304-1104 304-1104.SCH
D
UNLESS OTHERWISE NOTED:
1.0 All resistor values are expressed in Ohms.
304-0404 304-0404.SCH
304-1204 304-1204.SCH
1.1 All resistors are 1/8 Watt SMT types with their tolerance and material coded into their value. VALUE 1%, Metal Film 5%, Carbon Film 0 Ohm to 0.99 Ohms 0R to 0R976 0R to 0R91
C
1 Ohm to 99 Ohms 1R00 to 97R6 1R0 to 91R 100 Ohms to 999 Ohms 100R0 to 976R0 100R to 910R
C
1k Ohm to 9k9 Ohms 1k00 to 9k76 1k0 to 9k1 10k Ohms to 99k Ohms 10k0 to 97k6 10k to 91k
304-0504 304-0504.SCH
304-1304 304-1304.SCH
100k Ohms to 999k Ohms 100k0 to 976k0 100k to 910k 1M Ohm to 99M Ohms 1M00 to 97M6 1M0 to 91M
2. All resistor networks are 2%, 1/8 Watt types with their values expressed in Ohms.
3.0 All capacitor values are expressed in Farads
3.1 All 100n bypass capacitors are 10%, 50 Volt, X7R, Ceramic Monolythic types.
304-0604 304-0604.SCH
304-1404 304-1404.SCH
3.2 All 100p RF capacitors are 5%, 50 Volt, NP0, Ceramic Monolythic types.
3.3 All NPO capacitors are 5%, 50 Volt, Ceramic Monolythic types.
3.4 All MY capacitors are 5%, 50 Volt, Metalized Polyester types.
3.5 All PP capacitors are 5%, 50 Volt, Metalized Polypropylene types.
3.6 All PC capacitors are 5%, 50 Volt, Metalized Polycarbonate types.
3.7 All electrolytic capacitors are 20%, 16 Volt (or higher), Aluminum Electrolyte types.
3.8 All TA capacitors are 20%, 16 Volt (or higher), Tantalum Electrolyte types.
304-0704 304-0704.SCH
304-1504 304-1504.SCH
4. For complete information on any component please see the associated bill of materials.
5. All net names preceded by a / are active low signals.
B
B
6. V+ = +12 Vdc, V- = -12 Vdc, VCC = +5 Vdc
304-0804 304-0804.SCH
304-0904 304-0904.SCH
A
1 2 3 4 56
304-1604 304-1604.SCH
304-1704 304-1704.SCH
Checked: Date:
Proj. Eng.:
Chf. Eng.:
Production:
Date:
Date:
Date:
45 Sumner Street
THAT Corporation
Title:
QSC Digital Cinema Monitor
Milford, MA 508-478-9200
DCM-1 Rear Panel PCB
Size:
Date: File:
B
28-Jun-2002 1 17 C:\AA\PC0093rA\SH0093rA.DDB - Documents\SH0093rA.PRJ
PC-000093-00 A
A. ARANDA
Revision:
Sheet ofDrawn by:
A
This document and the data disclosed herein or herewith is not to be reproduced, used, or disclosed in whole or in part to anyone without the written permission of THAT Corporation.
54321
6
Date ApprovedDescriptionRev
LEFT CHANNEL
D
M2
15
14
13
12
11
J1 DB15HD
C
5 10 4 9 3 8 2 7 1 6
M1
C317 100p
C1 100p
C6 100p
C2 100p
C7 100p
C3 100p
C8 100p
C4 100p
C9 100p
A2- OUT A2 VMON A2 IMON
A1 IMON
A1 VMON A2+ OUT STDa A1+ OUT A1- OUT
C5 100p
J7 DB15HD
CENTER CHANNEL
15
14
13
12
11
J2 DB15HD
M2
5 10 4 9 3 8 2 7 1 6
M1
C318 100p
C10 100p
C15 100p
C11 100p
C16 100p
C12 100p
C17 100p
C13 100p
C18 100p
B2- OUT B2 VMON B2 IMON
B1 IMON
B1 VMON B2+ OUT STDb B1+ OUT B1- OUT
C14 100p
J8 DB15HD
SUBS 1 & 2
15
14
13
12
11
SUBS 3 & 4
15
14
13
12
11
M2
5 10 4 9 3 8 2 7 1 6
M1
M2
5 10 4 9 3 8 2 7 1 6
M1
C320 100p
C209 100p
C321 100p
C28 100p
C214 100p
C210 100p
C96 100p
C39 100p
C215 100p
C211 100p
C119 100p
C91 100p
C216 100p
C212 100p
C136 100p
C92 100p
C217 100p
D2 VMON D2 IMON
D1 IMON
D1 VMON
STDd
C213 100p
C139 100p
E2 VMON E2 IMON
E1 IMON
E1 VMON
STDe
C95 100p
D
SW- OUT
SW+ OUT
C
B
B
RIGHT CHANNEL
C319
M2
15
14
13
12
11
A
J3 DB15HD
1 2 3 4 56
5 10 4 9 3 8 2 7 1 6
M1
100p
C19 100p
C24 100p
C20 100p
C25 100p
C21 100p
C26 100p
C22 100p
C27 100p
C23 100p
C2- OUT C2 VMON C2 IMON
C1 IMON
C1 VMON C2+ OUT STDc C1+ OUT C1- OUT
P1
TRM BLK
From Remote Powered Subwoofer Output Driver
From Hard of Hearing Output Driver
THAT Corporation
Title:
Size:
B
28-Jun-2002 3 17
Date:
C:\AA\PC0093rA\SH0093rA.DDB - Documents\304-0304.SCH
File:
DCM-1 Rear Panel PCB
Screen & Subwoofer Dataports, Aux Outputs
45 Sumner Street
Milford, MA 508-478-9200
PC-000093-00 A
A. ARANDA
Revision:
Sheet ofDrawn by:
A
C278 100p
Date:
Date:
Date:
PSW+ PSW-
HOH+ HOH-
1 2 3 4 5 6
C328 100p
C288 100p
C285 100p
Checked: Date:
Proj. Eng.:
Chf. Eng.:
Production:
C283 100p
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