44
QSC Audio Products, LLC
SH5: C1
LM19: TEMP - VOUT
25C - 1.570V
45C - 1.327V
LO = STANDBY
HI = LED ON
TEMP
CH1
+15V
AGND
-15V
PGND
WIRE TRAP:
MOLEX 52004-1010
CH2
AMP-SD
FRONT LED
HF AMP IN 2-WAY
2-WAY
CH2 OUT-
PREP R159 OFF BOARD
2-WAY
HF PAD
2-WAY
2-WAY
CH1 OUT+
CH1 OUT-
SYNC CAP
T94-2 60T 21AWG
55C - 1.218V
75C - 0.997V
85C - 0.878V
95C - 0.772V
CH2 OUT+
LF AMP IN 2-WAY
0C - 1.8V
SUB
FRONT LED
+7V
2-CHANNEL CLASS D AMPLIFIER AND PROTECTION
LM319
10 PCNT
1 PCNT
5.62K
1/10W
1 PCNT
5 PCNT
1.00K
MMST3904
5 PCNT
1 PCNT
20 PCNT
LM319
21
1 PCNT
1/10W
25V
10UF
LM319
10 PCNT
25V
0.1UF
1 PCNT
21
1/10W
10 PCNT
25V
0.1UF
1 PCNT
1/10W
21
10UF
25V
20 PCNT
20 PCNT
25V
10UF
0.1UF
25V
10 PCNT
0.1UF
25V
10 PCNT
1W
1.5
5 PCNT
10 PCNT
0.047UF
250V
1W
1.5
5 PCNT
ES1D
10 PCNT
0.047UF
250V
ES1D
20 PCNT
25V
10UF
21
1/10W
LM319
0.1UF
25V
1 PCNT
25V
1 PCNT
1/10W
2.21K
BAS21
50V
0.0039UF
5 PCNT
5 PCNT
LM19CIZ
IMBD4148
IMBD4148
200V
10.0K
1/10W
200V
21
243
10 PCNT
25V
25V
10UF
1 PCNT
0.1UF
3.65K
1 PCNT
1/10W
1 PCNT
1/10W
1.00K
1 PCNT
1/10W
50V
1/10W
1.13K
1 PCNT
1/10W
1.13K
1/10W
1 PCNT
3.65K
21
1/10W
1 PCNT
2.87
1 PCNT
1 PCNT
10.0K
LM319
220PF
5 PCNT
120PF
10
1 PCNT
1/10W
IRFB4020
10.0K
5.62K
1 PCNT
10.0K
1/10W
1 PCNT
243
120PF
5 PCNT
120PF
200V
1.13K
1 PCNT
1/10W
200V
17.8K
1 PCNT
1/10W
150K
1 PCNT
1/8W
1/8W
150K
1 PCNT
1/10W
21
1 PCNT
1 PCNT
3.65K
10UF
20 PCNT
25V
2.87
1/10W
IRFB4020
1 PCNT
1/10W
21
21
1/10W
1 PCNT
20 PCNT
10UF
50V
50V
1/10W
1 PCNT
1.00K
1.00K
1 PCNT
LM319
1/10W
1 PCNT
1/10W
1.13K
1 PCNT
10PF
14.0K
1/10W
IRS20957
1 PCNT
1 PCNT
1 PCNT
10.0K
1/10W
1 PCNT
25V
1/10W
120PF
1/4W
150K
1/10W
ES1D
20 PCNT
50V
5 PCNT
1/10W
IRS20957
1/10W
1 PCNT
1/10W
6.34K
1/10W
BAS21
1/8W
10UF
220PF
5 PCNT
2.21K
1 PCNT
1/10W
30UH
10 PCNT
500V
0.022UF
250V
0.68UF
5 PCNT
300
2W
5 PCNT
82.5K
1 PCNT
1/8W
100V
0.1UF
10
1 PCNT
10
1/8W
1 PCNT
10
1 PCNT
1/8W
10 PCNT
500V
0.022UF
1 PCNT
10
1/8W
1 PCNT
10
1/8W
1/8W
10
1 PCNT
1 PCNT
10
1/8W
0.1UF
5 PCNT
100V
1 PCNT
19.6
1/8W
0.68UF
5 PCNT
100V
200V
120PF
5 PCNT
30UH
1 PCNT
19.6
1/8W
5 PCNT
120PF
200V
10 PCNT
250V
0.047UF
100V
0.68UF
5 PCNT
19.6
200V
5 PCNT
120PF
200V
120PF
5 PCNT
19.6
1/8W
1 PCNT
5 PCNT
10UF
20 PCNT
1/4W
1 PCNT
4.53K
1/10W
1 PCNT
20 PCNT
25V
1 PCNT
IMBD4148
50V
10PF
1.13K
1.13K
1 PCNT
1/10W
21
1/8W
BAS21
1/10W
1 PCNT
1/10W
1 PCNT
1/10W
10UF
20 PCNT
25V
5 PCNT
1 PCNT
1/10W
10
1/10W
17.8K
0.1UF
10 PCNT
1/10W
1 PCNT
4.53K
1 PCNT
14.0K
1 PCNT
4.53K
2.21K
BAS21
150K
1.13K
1 PCNT
1/10W
IMBD4148
ES1D
1/10W
10.0K
1/10W
1 PCNT
25V
IRFB4020
1/8W
1 PCNT
0.022UF
10 PCNT
500V
1 PCNT
1/8W
10
1/8W
1 PCNT
1/10W
1 PCNT
1/10W
IRFB4020
1/10W
1/10W
1 PCNT
2.21K
6.34K
1 PCNT
0.0039UF
5 PCNT
1 PCNT
SH-003311-00
AR-003311-00.ZIP
NONE
U5
D11
D9
R52
R53
R42
R33
R32
R44
R46
R24
C17
C27
C13
L1
C36
Q2
Q3
R48
R25
R20
R40
R36
U4
R22
C9
C29
C28
C34
C7
R60
R61
C26
C10
C15
C16
R38
R39
C32
R62
C35
L2
C30
R63
C31
R50
D12
R47
D10
R45
R43
C14
R54
Q4
Q5
R55
C18
R41
U7
R37
C11
R23
C8
R19
R21
R18
R34
R35
C6
R30
R31
R49
R51
D5
D3
D6
U2
J3
J3
J3
J3
J2B
R4
R5
J3
J3
Q1
U9
D2
D1
C3
R14
R124
R176
R125
R72
C23
C24
R77
R73
R78
R163
C39
C51
C49
R26
R27
C53
C57
R178
R179
C58
C60
R180
R181
C109
C119
R182
R183
C121
C138
U2
U4
U2
U4
D8
R12
R15
R16
R56
R1
R2
C2
R159
C4
R156
C37
C103
R169
R197
R198
R196
R200
R199
C12
J2B
J2B
J2B
J2B
J2B
J2B
J2B
J2B
J2B
J3
C123
SN1
SN2
D16
D15
-VCC
+VCC
CH1-SD
CH2-SD
+12VLOW
+12VLOW
CH1-SD
+VCC
+VCC
-VCC
-VCC
CH2-SD
-VCC
TEMP-MAIN
TEMP-MAIN
9
2
16
8
14
3
10
7
15
11
1
6
13
4
3
4
5
12
9
2
16
8
14
3
10
7
15
11
1
6
13
4
3
4
5
12
3
1
2
11
6
11
6
8
9
10
7
8
9
10
7
2
1
8
7
1
9
10
2
3
4
5
6
7
8
9
10
3
P1
-15V
A1
A1
P1
A1
CSH
VB
HO
VS
VCC
LO
COM
DT
OCSET
VREF
VSS
IN
CSD
VDD
A1
A1
P1
P1
P1
P1
A1
+15V
-15V_B
-15V_A
+15V_A
+15V_B
+15V_B
IN
IN
+15V_A
V-
V+
V-
V+
P1
A1
+15V_A
A1
A1
A1
A1
P1
A1
A1
A1
-15V
+15V
VDD1
VDD1
VO
GND
V+
+15V
IN
IN
A1
CSH
VB
HO
VS
VCC
LO
COM
DT
OCSET
VREF
VSS
IN
CSD
VDD
A1
INFORMATION WHICH IS THE PROPERTY
WITHOUT EXPRESS WRITTEN CONSENT FROM
C
SIZE
SCALE
CAGE CODE
DWG NO.
REV
4
3
2
4
3
2
1
1
00PW4
CAD FILE NO.
BE DISCLOSED, REPRODUCED OR USED
OF QSC AUDIO PRODUCTS, THAT MAY NOT
THIS DOCUMENT CONTAINS PROPRIETARY
IC9: IC-000315-00
D15&16: QD-000102-30
R77&R73: RE-111301-30
C13&C14: CA-610021-30
U5&U7: IC-000413-30
IC2&U4: IC-000279-30
OLD REVISION:
D15&16: NOT EXISTED
R77&R73: 3.65K
C13&C14: 0.1 UF, 25V
Q2-Q5: QD-000373-00
U5&U7: IC-000413-30
C4: CA-468006-00
C53: CA-322013-30
R159: RE-030002-10
R156: RE-282501-30
J3: CO-000413-00
STATIC CHECK MOSFETS Q2 & Q3
IN CIRCUIT:
- Q2: GS = 3M (0.6V/1.7V);
GD = 3M (>3V/1.80V);
DS = >36K (0.5V/>3V)
- Q3: GS = 3M (0.6V/1.7V);
GD = 3M (>3V/1.80V);
DS = >36K (0.5V/>3V)
white (10)
black (5)
~8Vdc if open circuit
~2.7Vdc with blue LED
FRONT BLUE LED
QD-000312-GP
Summary of Contents for K8
Page 2: ...2 QSC Audio Products LLC...