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#
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MJL3281A
Q33A
SHEET OF
YORKVILLE NAME: PCB#&VER:
MODELS: SCH VERSION:
TITLE:
DATE: 13
M1184-1.00
CR12
M1184V1.SCH
APR/22/2002
POWER_AMP.
1.10
P
S
G
D
MTP23P06
Q35A
120v
10u
C6A
16v
330u
C7A
249R:1%
R106A
249R:1%
R107A
BC560
Q12A
BC560
Q13A
BC560
Q14A
BC560
Q15A
BC560
Q16A
10R
R22A
D9A
22u
10v
C8A
22u
10v
C9A
22u
25V
C10A
22u
25V
C11A
22u
10v
C12A
22u
10v
C13A
10K
R7
39R
R108A
39R
R109A
1K
R110A
1K
R111A
10K0
R23A
MJE340
ECB
MJE350
75R
R24A
33K
R6
1R
0.5W
R2A
1R
R25A
16v
330u
C15A
16v 22n
C27A
16v 22n
C28A
100v 1n
C29A
100v 1n5
C30A
200v 3N3
C31A
200v 3N3
C32A
3K01
R26A
3R9
2W
R122A
10R
R146A
33K
R145A
18V
500mW
D57A
10K0
R29A
14V
500mW
D58A
14V
500mW
D59A
MR854
D76A
MR854
D77A
MR854
D78A
47K
R30A
33U10V
C18A
MR854
D79A
MR854
D80A
249R
R31A
249R
R32A
VIEW
BOTTOM
B
E
YS6900
YS6927
3
9
2 11
10
7
8
6
5
4
1
D10A
D11A
D12A
NC
COM
NO
RLY1
6
7
5
470R
R33A
470R
R34A
39R
R35A
47R
R36A
1K
R37A
1K
R38A
249R
R39A
249R
R40A
60K4
R41A
17K8
R42A
17K8
R43A
60K4
R44A
249R
R45A
249R
R46A
220R
R47A
1R
R48A
MR854
D81A
470R
R49A
470R
R50A
10V
33u
C19A
75R
R112A
50V
4N7
C33A
D13A
D14A
D15A
D16A
BAV21
D17A
D18A
D19A
BC550
Q18A
A42
Q7A
BC550
Q19A
BC550
Q20A
BC550
Q21A
BC550
Q22A
BP-
BP+
BAV21
D20A
BAV21
D21A
D22A
D23A
D24A
D25A
D26A
D27A
D28A
2N5551
Q8A
200V
22n
C34A
200V
1N5
C35A
2N5401
Q9A
2N5401
Q3
1n
C36A
1n
C37A
BC550C
CBE
BC560C
5K6
R55A
1K5
R56A
1K5
R57A
14K7
R58A
2N5551
Q46A
14K7
R59A
MJL1302A
MJL3281A
ECB
1N4732A
1WATT
4V7
D67A
1K5
R12
4K7
R61A
4K7
R62A
3K3
R63A
3K3
R64A
2R2
R65A
2R2
R66A
68R
R67A
10K0
R68A
249R
R69A
39R
R70A
10K0
R71A
47K
R72A
22R
R73A
39R
R74A
39R
R75A
15K
R76A
15K
R77A
3K3
R78A
150R
R79A
150R
R80A
2R2
R81A
2R2
R82A
249R
R83A
5K6
R84A
4K7
R85A
4K7
R86A
4K7
R87A
4K7
R88A
1K
R89A
1K
R90A
2K
R91A
47K
R92A
2K
R93A
BC550
Q23A
75R
R94A
220R
R95A
68R
R96A
68R
R97A
39R
R98A
39R
R99A
4uH
L1A
5R6
5W
R117A
1K2
5W
R118A
1K2
5W
R119A
2K7
1W
R104A
10R
R100A
1R
0.5W
R5A
17K8
R101A
D3
33078
1/2
(4=V-,8V+)
U1A
6
5
7
4U725V
C4
10K
R10
1M
R9
1K5
R11
MPSA42
Q44A
100K
R16A
27K
R14A
100R0
R131A
64K9
R130A
1K91
R132A
499K
R134A
10
9
8
7
6
5
4
3
2
1
# DESCRIPTION OF CHANGEVER#DATE
MODEL(S):-
D
D
D
D
D
D
D
D
APR/22/02
JAN/2002
V
V
V
V
V
V
V
V
1.10
1.00
N
N
N
N
N
N
N
N
CORRECTIONS
PILOTRUN
CR12
M1184.SCH_DATABASE_HISTORY
33078
1/2
(4=V-,8V+)
U1A
2
3
1
10
EY7 1
470R
R154A
1n
C47A
220P
C43A
470R
R155A
100K
R28
BC550
Q7
4K7
R150A
1K
R133A
100K
R148A
100K
R147A
YELLOW
VH+
TB1A
10K
R143A
100u
35v
C52
10
EY1 1
O
T
1
2
10K
THERMA1
1
2
10
EY3 1
10
EY2 1
10
EY5 1
18V
500mW
D1
10
EY4 1
RED
+_OUT
TB1
10
EY6 1
4U7
25V
C2
4U7
25V
C1
18V
500mW
D2
7K5
0.5W
R3
MJF6688
Q2
MJF6388
Q1
FP
11R3
R1
FP
11R3
R4
RED
VM+
TB2A
GREEN
GROUND
TB3A
BROWN
VM-
TB4A
BLACK
VH-
TB5A
MC3
1
2
3
4
5
6
78
9
10
11
12
13
14
2N5401
Q45A
D5A
D6A
500mW
5V1
D29A
500mW
5V1
D30A
100K
R135A
10
2OHMLIMB
MC2 5
47K
R140A
100K
R138A
100K
R136A
100K
R139A
100K
R137A
10
CLIP_B
MC2 4
10
TEMPB
MC2 6
10
+17V
MC2 3
10
-17V
MC2 1
10
ILIMIT_B
MC2 7
10
GNDREF_B
MC2 9
10
SIGNAL_B
MC2 8
C+
C-
RLY1
18
10
RELAY_B
MC2 10
10
LVGND
MC2 2
BAV21
D4A
BAV21
D3A
D6
2N5401
Q10A
NC
COM
NO
RLY1
3
2
4
500mW
27V
D9
D21
33078
1/2
(4=V-,8V+)
U2
2
3
1
2U2
63V
C5
33078
1/2
(4=V-,8V+)
U2
6
5
7
10K0
R18
D8
MPSA06
Q47A
10K0
R22
10K0
R19
10K0
R20
9K09
R21
249K0
R23
4K7
R25
10K
R16
SRT
OUTPUT
JBA1
1
2
3
4
5
6
392K0
R15
9K09
R13
22K6
R14
10K0
R17
MJF6388
Q6
1N4004
D7
10K
R24
27V
500mW
D10
FAN_POSRED
EYE1
FAN_NEGBLK
EYE2
TP1
TP2
+17V
+17V
+17V
+17V
+17V
+17V
+17V
+17V
TP8
TP8
TP6
TP10
TP10
TP10
L+
TP4
2OHMLIMA
TP9
TP9
TP9
TP3
CLIP_A
CLIP_A
SIGNAL_B
VM+
VM+
VM+
VM+
VM+
VM+
VM+
VM+
VH-
VH-
VH-
TP7
TP7
VH+
VH+
VH+
VH+
VH+
ILIMIT_B
SIGNAL_A
VM-
VM-
VM-
VM-
VM-
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
CLIP_B
TEMPA
ILIMIT_A
PROTECT
GNDREF_A
GNDREF_B
TP5TP5
O/PGND_A
-17V
-17V
-17V
-17V
-17V
TEMPB
2OHMLIMB
GND
GND
GND
GND
GND
GND
GND
GND
LVGND
LVGND
LVGND
LVGND
LVGND
LVGND
LVGND
VH+
+96V
VH-
-96V
-96V
+96V
+44V
-44V
-44V
+44V
+96V
+44V
-96V
+96V
+96V
+44V
-44V
-44V
+44V
+44V
+24.5V HOT
+9.5V COLD
-96V
-44V
+96V
+44V
BLK
YEL
WHT
BLU
YEL
RED
4004
4004
BOTTOM CHANNEL A
WIRES FROM POWER SUPPLY
AMP.A CLIP SENSE
LOW VOLTAGE SUPPLIES
**ALL UNMARKED DIODES ARE 1N4148**
CR12-M1184
CHANNEL A VOLTAGE AMPLIFIER
A OUTPUT
3mV ACROSS TEST POINTS 9 @ 10
OUTPUT
AMPLIFIER
Dc Protection
OUTPUT
POWER AMPLIFIER BOARD
TESTPOINT:
Current Limit
Current Amplifier
WHEN THE AMPLIFIER IS COLD
BIAS ADJUSTMENT: ADJUST TRIM POT R115 FOR
4ma
(mounted under heatsink)
Temperature Sensor
BINDING POSTS
FROM AMP A
14ma
60mA IDLE
4 WATTS4 WATTS
FP
FP
FP
FP FP
FP
FP
FP
FP
FP
FP
FP
FP
FP
N.C.
N.C.
U:\M1184V11.PRN