YORKVILLE K4 YS1045, Service Manual

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of
Filename:
PCB# Sheet 4 2
Product
Date: Rev: YsType:CSA#
M1239V03sch.sch2002
M1239 CH-1 INPUT-2
Tue May 24, 2011 V03
K4
of
Filename:
PCB# Sheet 4 2
Product
Date: Rev: YsType:CSA#
M1239V03sch.sch2002
M1239 CH-1 INPUT-2
Tue May 24, 2011 V03
K4
4148
D18
LIVE
1/
4W 51K
R78
.
1/
4W 51K
R77
.
4148
D19
1/
4W 1M
R79
.
1/
4W 113K
R24
.
1/
4W 1M
R32
.
PIANO
1/
4W
4K99
R179
.
1/
4W 20K0
R80
MINI
1/
4W 100K
R30
.
4
12
W
9:
D
C55
100V 220P
R9
1/4W
.
10K
C5
100V 220P
D20
4148
4148
D3
C187
250V 4N7
C58
50V 680P
R140
1/4W
.
10K
C103
63V 330N
C105
63V 470N
RAD .2in
R136
1/4W
.
3K
RAD .2in
C108
4U7 63V
BYPASS
ORGAN
1/
4W 4K7
R204
.
1/
4W 4K7
R206
.
1/
4W 4K7
R207
.
1/
4W 100K
R99
.
1/
4W 17K8
R81
.
1/
4W 14K0
R100
.
10X13MM
10U
C59
160V
RAD .2in
C61
10U 63V
1/
4W 20K0
R82
MINI
CHANNEL-1 INPUT-2
50V
C194
100N
D
05C R/A
20K
OVERDRIVE
P4:B
1/
4W 1K5
R84
.
Q4
5108
2N5401
TO92
R85
1/4W
.
4K99
C62
63V 330N
R11
1/4W
.
10K
R10
1/4W
.
10K
R12
1/4W
.
10K
R200
1/4W
.
4K99
R184
1/4W
.
3K
4148
D22
R86
1/4W
.
220R
R13
1/4W
MINI
20K0
R14
1/4W
MINI
20K0
V2:C
1/
4W 2K21
R87
.
22U
C64
50V
5X7MM .2in
1/
4W 113K
R88
.
U13:B
MC33078P
C198
100V 220P
4148
D24
4148
D23
R139
1/4W
MINI
10K0
1/
4W 10K
R328
.
4148
D4
R89
1/4W
.
49K9
C56
63V 220N
C199
100V 220P
NE5532N
U27:B
R302
1/4W
MINI
10K0
63V
C42
100N
4
V+
11
V-
U9:E
R91
1/4W
.
10K
R92
1/4W
.
3K3
R93
1/4W
.
3K3
R94
1/4W
.
4K7
1/
4W 1M
R26
.
50V
C20
680P
R28
1/4W
.
10K0
4
V+
11
V-
U10:E
R95
1/4W
.
3K3
R96
1/4W
.
3K3
R97
1/4W
.
100K
R98
1/4W
.
4K7
1/
4W 2K21
R34
.
8
V+
4
V-
U13:C
63V
C80
100N
U6:B
MC33078P
63V
C78
100N
8
V+
4
V-
U26:C
C109
63V 470N
RAD .2in
1/
4W 2K2
R141
.
R143
1/4W
.
3K
R142
1/4W
.
3K
C110
100V 39N
63V
C168
100N
RAD .2in
C104
4U7 63V
1/
4W 10K
R144
.
U9:A
MC33079P
R145
1/4W
.
2K
R146
1/4W
.
10K
C111
400V 1N
R259
1/4W
.
1K
R148
1/4W
.
2K
R147
1/4W
.
2K
C113
400V 1N
250V
C112
4N7
R149
1/4W
.
10K
RAD .2in
C114
2U2 63V
R243
1/4W
.
2K
R150
1/4W
.
2K
1/
4W 5K1
R151
.
C115
100V 100N
C116
200V 2N2
C107
100V 10N
R152
1/4W
.
10K
1/
4W 100K
R182
.
1/
4W 100K
R183
.
RAD .2in
C117
4U7 63V
1/
4W 100K
R180
.
1/
4W 100K
R181
.
STUDIO
C60
63V 1U
1/
4W 2K49
R205
.
R101
1/4W
.
220R
R297
1/4W
.
2K
R83
1/4W
.
1K
10X13MM
10U
C66
160V
1/
4W 20K0
R102
MINI
50V
C192
100N
R103
1/4W
.
10K
100V
C7
220P
100V
C6
220P
C63
100V 22N
1/
4W 100K
R208
.
V2:A
2X_TRIODE_HCT
R153
1/4W
MINI
4K99
R37
1/4W
.
1K
1/
4W 33K
R90
.
R154
1/4W
.
1K
63V
C43
100N
10X13MM
10U
C16
160V
63V
C191
100N
R186
1/4W
.
1M
63V
C81
100N
4
12
W
7:
D
D
B LIN
P1:B
4477
100K
CH1-GAIN
63V
C79
100N
R155
1/4W
.
3K
100V
C118
100N
63V
C169
100N
R156
1/4W
.
2K
250V
C119
4N7
U9:C
MC33079P
B C
TO-92
MPSA63
MPSA43
2N5551
E
MPSA56
MPSA06
MPSA13
2N5401
1/
4W 20K0
R157
MINI
U10:B
MC33079P
1/
4W 100K
R238
.
S3:B
7
12 W7:G
7
12 W9:G
R325
1/4W
.
1K
2
12 W7:B
C125
100V 22N
MC33078
NE5532N
R203
1/2W
.
18R
100V
C69
100N
C68
100V 22N
10X13MM
C70
10U 160V
Q5
5107
2N5551
TO92
R299
1/4W
.
4K99
1/
4W 4K99
R116
.
RAD .2in
C129
10U 63V
RAD .2in
C130
4U7 63V
10
9 11 12
P N
MC14007
U14:C
1/
4W
10K0
R106
.
C71
63V 330N
CH-1 INPUT-1[D3]
R38
1/4W
.
3K
C8
100V 220P
8
V+
4
V-
U22:C
4
V+
11
V-
U8:E
63V
C178
100N
63V
C189
100N
1/
4W 10K
R107
.
C72
50V 680P
C65
63V 470N
RAD .2in
D
4478
P3:B 50K
B LIN
TREBLE
50V
C73
33N
D
4478
P2:B 50K
B LIN
MID
1/
4W 20K0
R311
MINI
RAD .2in
C22
2U2 63V
RAD .2in
C205
4U7 63V
C24
50V 33N
2
12 W9:B
D
4478
P5:B 50K
B LIN
BASS
C18
50V 22N
5X7MM .2in
22U
C74
50V
S1:B
3425
{FunctionR}
I/P SELECTOR
8
V+
4
V-
U27:C
CH- 2 & 3[N1]
R158
1/4W
.
10K
C201
100V 220P
RAD .2in
C106
4U7 63V
1/
4W 10K
R160
.
R159
1/4W
.
10K
C121
63V 330N
R161
1/4W
MINI
20K0
C122
100V 470P
R162
1/4W
.
2K
C123
63V 150N
U9:B
MC33079P
MC33079
1/
4W 100K
R185
.
7
8
13
14
6
N
P
U14:B
MC14007
M
4032
P13:B 10K
LIN
LEAD-GAIN
1/
4W 20K0
R16
MINI
1/
4W 20K0
R15
MINI
U8:D
MC33079P
U26:B
NE5532N
U27:A
NE5532N
U8:A
MC33079P
3
1 5 4 2
P N
MC14007
U14:A
R163
1/4W
.
10K R104
1/4W
.
100R
63V
C76
1U
U8:C
MC33079P
63V
C179
100N
1/
4W 1K
R312
.
C77
50V 33N
100V
C131
100P
V2:B
2X_TRIODE_HCT
R242
1/4W
.
1K
U16:B
NE5532N
6840_PC
6884_PC
U10:A
MC33079P
U10:C
MC33079P
U9:D
MC33079P
RAD .2in
C120
4U7 63V
R188
1/4W
.
10K
CH-1 INPUT-1[C1]
U10:D
MC33079P
CH-1 INPUT-1[D4]
U22:A
NE5532N
6804_PC
U5:A
MC33078P
U8:B
MC33079P
U26:A
NE5532N
6
5
1 3
2
4
S T R
- - -
J3
CH-1- I/P-2 LEFT
4 2
1 3
5
6
S T R
- - -
J4
CH-1- I/P-2 RIGHT