YORKVILLE A4.4, Руководство по обслуживанию

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4148
D1
TP2
TP1
TP4
4U7 16V
C1
4148
D2
68N
C6
MX3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TP3
OUT
IN
.
S2
1
2
3
33K
R1
220R
R2
470R
R3
22u
50v
C2
220K
R4
15K
R5
BC560
Q1
4K7
R6
470R
R7
RED
A_CLIP
LD1
BC560
Q2
(4=-15V,8=+15V)
1/2
MC33078P
U4
6
5
7
220P
C28
4K12
R8
33u 16V
C44
10K
R9
CW
GAIN
25A
10K
A_GAIN
P1
3V0
1N5225B
D21
OUT
IN .
.
S2
4
5
6
20K0
R10
CW
GAIN
25A
10K
B_GAIN
P2
10K
R11
33u 16V
C45
4K12
R12
220P
C29
BEAD
L1
A63
Q15
4K3
R13
(4=-15V,8=+15V)
1/2
MC33078P
U4
2
3
1
BC560
Q3
RED
B_CLIP
LD2
8M2
R14
100P
C30
20K0
R15
NSL32SR2
LD5
470R
R16
4K7
R17
BC560
Q4
15K
R18
560R
R19
220K
R20
4148
D3
22u
50v
C3
470R
R21
220R
R22
500mW
4.7V
D22
4K3
R23
NSL32SR2
LD6
A13
Q16
TP5
15K
R24
TP6
XLR
CHANNEL_B
JB1
1
3
2
100N
C7
10K
R25
XLR
CHANNEL_A
JB2
1
3
2
100N
C8
10K
R26
3V0
1N5225B
D23
GREEN
A_ACTIVITY
LD3
GREEN
B_ACTIVITY
LD4
560R
R27
8M2
R28
470K
R29
470K
R30
15v 220n
C48
15v 220n
C49
220P
C31
220P
C32
100K
R31
100K
R32
10K
R33
M
COM
L R
S3
1 2 3 4
100N
C9
25V
47n
C10
25V
47n
C11
330P
C33
100N
C59
M
COM
L R
S3
5 6 7 8
22K
R34
BC550
Q5
330K
R35
4K7
R36 4148
D4
1M
R37
BC550
Q6
4148
D5
4148
D6
BC560
Q7
20K0
R38
2K
R39
10K
R40
4V7
D24
BC560
Q8
BC560
Q9
620R
R41
M
COM
L R
MONO-STEREO-BRIDGE
S3
9 10 11 12
J1
J2
150N
C12
150N
C13
150N
C14
68N
C15
MC1
1
MC1
2
OUT
IN
GND_LIFT
S4
1
2
3
OUT
IN
S4
4
5
6
4148
D7
4148
D8
S R T
CHANNEL_B
1/4"
JB3 1
2
3
4
5
6
S R T
CHANNEL_A
1/4"
JB4 1
2
3
4
5
6
10
9
8
7
6
5
4
3
2
1
# DESCRIPTION OF CHANGE VER# DATE
MODEL(S):-
D
D
D
D
D
FEB/25/03
NOV/20/01
SEPT/21/01
AUG/28/01
AUG/28/01
V
V
V
V
V
2.20
2.10
2.00
2.00
2.00
N
N
N
N
N
PC#6588_R86_120K->270K
PC#6466_LD5,LD6_NSL28AA->NSL32SR2
ADD_C70,D25,R96,R97,R98_TO_FAN_CIR.
S2,S4_REVERSED--->CHANGED
R85-->2K7,R86-->120K,R33-->10K
A4.4_INPUT_PCB
M1170.SCH_DATABASE_HISTORY
100N
C17
47U C50
4M7
R43
4M7
R44
56K
R45
56K
R46
56K
R47
56K
R48
1/2
MC33078
U3
2
3
1
1/2
MC33078
U1
2
3
1
(4=-15V,8=+15V)
1/2
MC33078P
U3
6
5
7
(4=-15V,8=+15V)
1/2
MC33078P
U2
6
5
7
(4=-15V,8=+15V)
1/2
MC33078P
U2
2
3
1
220P
C34
220P
C35
220P
C36
220P
C37
120K
R49
120K
R50
9K760
R51
9K760
R52
9K760
R53
1K54
R54
9K760
R55
1K54
R56
BC560
Q11
10K0
R57
10K0
R58
9K760
R59
9K760
R60
9K760
R61
1K54
R62
9K760
R63
1K54
R64
10R
R65
10R
R66
100N
C18
100N
C19
220P
C38
220P
C39
220P
C40
220P
C41
22K
R67
MC33078
1/2
(4=-15V,8=+15V)
U1
6
5
7
4K99
R68
OUT
IN
S1
6
4
5
OUT
IN
S1
3
1
2
33u 16V
C46
33u 16V
C47
68N
C20
150N
C21
68N
C22
4148
D9
4148
D10
4148
D11
4148
D12
30K
R69
BC550
Q12
2K
R74
30K
R87
22U 50V
C24
10K
R72
1K5
R73
750R
R70
4148
D13
2K7
0.5W
R91
1R
1W
R75
BC560
Q13
100N
C16
10K
R76
10K
R77 10K
R78
4148
D15
30K
R79
4148
D14
40K2
R80
4K99
R81
22K6
R82
200K
R83
4148
D16
4148
D17
2K87
R84
2K87
R85
4148
D19
4148
D18
31K6
R95
GRN
POWER_ON
LD7
RED
PROTECT
LD8
MX1
1
2
3
4
5
6
7
8
MX2
1
2
3
4
5
6
7
8
BEAD
L2
100N
C70
M
COM
L R
S3
13 14 15 16
470N
C54
TP7
22u
50v
C4
470N
C51
470N
C53
220R
1W
R88
100N
C68
100N
C25
100N
C58
SHEET OF
YORKVILLE NAME: PCB#&VER:
MODELS: SCH VERSION:
TITLE:
DATE: 1
M1170
INPUT
A4.4
M1170V22.SCH
FEB/25/2003
INPUT/CONTROL
2.20
4148
D20
270K
R86
100N
C26
100N
C27
22u
50v
C5
100P
C42
330P
C43
100N
C60
100N
C61
100N
C63
100N
C62
470N
C52
470N
C56
1N
C57
TO-FAN
RED
BLK
MJF6388
Q14
2K
R42
10N
C67
2K7 0.5W
R90
10N
C66
100N
C64
470N
C55
100N
C65
BC560
Q10
18K
R96
1K
R98
18V
D25
BC560
Q17
AREF
AREF
AREF
AREF
AREF
AREF
AREF
AREF
-15V
-15V
-15V
-15V
-15V
-15V
-15V
-15V
-15V -15V
-15V
-15V
BPRTCT
BPRE
BPRE
APRE
APRE
ASIG
ASIG
ASIG
LIM-EN
LIM-EN
BPO
BPO
ACLIP
ACLIP
ACLIP
ACT
ACT
ACT
-22V
BCLIP
BCLIP
BCLIP
CHGND
RTN
BTEMP
BLIM
BREF
BREF
BREF
BREF
BREF
BREF
BREF
BREF
BREF
BREF
ATEMP
BSIG
BSIG
BSIG
BREL
ALIM
APRTCT
AREL
LVGND
LVGND
LVGND
LVGND LVGND
LVGND
LVGND
LVGND
LVGND
LVGND
LVGND LVGND
LVGND
LVGND
LVGND
LVGND
LVGND
LVGND
LVGND
LVGND
LVGND
LVGND
LVGND
LVGND
LVGND
+15V
+15V
+15V
+15V
+15V
+15V
+15V
+15V
+15V
+15V
+15V
+15V
+15V
+15V
DISABLE
ENABLE
LVGND
14
13
12
11
10
9
8
7
6
5
4
3
2
1
6
5
4
3
2
1
NOT USED
NOT USED
NOT USED
W3
W2
W1
4
3
2 1
W4
W4
FAN CTRL
W5
W5
6
6
5
5
4
4
4
4
3
3
3
3
2
2
2
2
1
1
1
1
JP3
JP4
M1167
BLK
GRN
JUST ADD A PAD FOR LOG
14 CONDUCTOR CABLE
BREAK-AWAY FROM M1170
LED PCB
BREAK-AWAY OFF M1170
BREAK-AWAY OFF M1170
POWER SUPPLY
SWITCH MODE
AMP
AMP
TO
CHANNEL B
CHANNEL A
LIMITER
NOT USED
OF SWITCH
THIS SIDE
12Db/Oct
-1dB 6Hz
-1dB 40Hz
FILTER SWITCH
12Db/Oct
-1dB 6Hz
-1dB 40Hz
FILTER SWITCH
FILTER BALANCED INPUT
VOLUME CONTROL/LIMITER
U:\M1170V22.PRN