YORKVILLE Keymaster K4, Руководство по обслуживанию

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Filename:
PCB# Sheet 3 3
Product
Date: Rev: YsType:CSA#
M1239V101_sch.sch2002
M1239 CH- 2 & 3
Thu Mar 06, 2008 V1.01
K4
of
Filename:
PCB# Sheet 3 3
Product
Date: Rev: YsType:CSA#
M1239V101_sch.sch2002
M1239 CH- 2 & 3
Thu Mar 06, 2008 V1.01
K4
W16
4148
D21
4148
D25
CHANNEL-3
CHANNEL-2
R40
1/4W
.
47K
R195
1/4W
.
820R
R194
1/4W
.
820R
R197
1/4W
.
4K99
R191
1/4W
.
4K99
W11:E
6
W11:C
6
C135
16V 10U
R234
1/4W
.
180K
C155
50V 100N
R278
1/4W
.
4K99
R280
1/4W
.
470R
R288
1/4W
.
10K0
R266
1/4W
.
270R
W19:B
4
C175
100V
100N
C174
100V
100N
R207
1/4W
4K7
.
R206
1/4W
4K7
.
R204
1/4W
4K7
.
C177
100V
100N
C195
50V
100N
100V
C12
100N
R39
1/4W
.
47K
R228
1/4W
MINI
20K0
C185
100V
100N
C184
100V
100N
100V
C26
100N
C43
100V
100N
R230
1/4W
.
49K9
R42
1/4W
MINI
20K0
R41
1/4W
MINI
20K0
C134
400V
1N
C132
400V
1N
1/4W
.
249R
R173
R22
1/4W
.
249R
C191
100V
100N
C81
100V
100N
C169
100V
100N
W14 W14_
C30
63V 10U
W16_
C29
63V 10U
4148
D9
4148
D10
R190
1/4W
.
4K99
R189
1/4W
.
4K99
W11:F
6
W11:B
6
W11:D
6
D
4479
P11:B 20K
05C R/A
CH3-GAIN
4148
D29
R254
1/4W
68K
.
C136
16V 10U
1/4W
.
10K
R316
1/4W
.
1K
R318
1/4W
.
5K1
R196
1/4W
.
5K1
R187
C154
63V 4U7
C157
16V
100U
Q9
5106
TO92
MPSA63
R250
1/4W
.
33K
R251
1/4W
68K
.
R275
1/4W
MINI
10K
R274
1/4W
.
10K
U21:A
MC33079P
4
V+
11
V-
U21:E
R235
1/4W
.
180K
Q8
5106
MPSA63
TO92
R277
1/4W
.
10K
R279
1/4W
.
4K99
R276
1/4W
.
10K
R222
1/4W
.
3K3
R220
1/4W
.
3K3
R218
1/4W
.
4K7
R252
1/4W
.
1K
C162
50V
12N
R293
1/4W
.
100R
R281
1/4W
.
470R
C161
50V
12N
R292
1/4W
.
100R
C147
50V 680P
4478
P9:B
D
50K
B LIN
TREBLE
C144
50V
33N
4478
P8:B
D
50K
B LIN
MID
C143
50V 33N
D
P7:B 50K
B LIN
BASS
4478
C139
50V 33N
4478
P9:A
D
50K
B LIN
TREBLE
R217
1/4W
.
100K
C137
50V
33N
4478
P8:A
D
50K
B LIN
MID
C138
50V 33N
D
4478
P7:A 50K
B LIN
BASS
C166
50V 22U
R291
1/4W
.
10K0
C164
50V 22U
C163
50V 22U
R290
1/4W
.
10K0
R289
1/4W
.
10K0
3923
J14
RIGHT LINE OUT
R237
1/4W
.
2K
R236
1/4W
.
2K
R307
1/4W
MINI
270R
R271
1/4W
.
270R
R264
1/4W
.
270R
R263
1/4W
.
270R
4
V+
11
V-
U19:E
R270
1/4W
.
270R
63V
C160
4U7
W19:C
4
W19:A
4
W19:D
4
R205
1/4W
2K49
.
C171
100V
100N
C170
100V
100N
C193
50V
100N
100V
C11
100N
C173
100V
100N
R226
1/4W
MINI
20K0
R231
1/4W
.
49K9
100V
C25
100N
C42
100V
100N
8
V+
4
V-
U15:C
C183
100V
100N
C182
100V
100N
C133
400V
1N
C75
400V
1N
C80
100V
100N
C168
100V
100N
C189
100V
100N
8
V+
4
V-
U24:C
W11:A
6
4148
D28
C158
16V
100U
R246
1/4W
MINI
180K
1/4W
.
1K
R317
RED
LD4
6405
U23:A
MC33078P
8
V+
4
V-
U23:C
U23:B
MC33078P
R282
1/4W
0.1%
681R0
C151
63V 4U7
R284
1/4W
0.1%
681R0
C145
50V 33N
C140
50V 680P
R216
1/4W
20K0
MINI
R224
1/4W
20K0
MINI
C165
50V 22U
1/4W
10R
R295
.
C142
100V
100P
C148
100V
100P
R294
1/4W
10R
.
S2:B
3923
J13
LEFT LINE OUT
R267
1/4W
.
270R
R306
1/4W
MINI
270R
R262
1/4W
.
270R
R265
1/4W
.
270R
Copper
Tie Here
Tie-net Name
R193
1/4W
.
4K12
R192
1/4W
.
4K12
R283
1/4W
0.1%
681R0
W12:C
6
W12:A
6
R247
1/4W
MINI
180K
4148
D26
4148
D27
C176
100V
100N
C179
100V
100N
C181
100V
100N
C190
100V
100N
100V
C207
100N
C194
50V
100N
C79
100V
100N
C14
100V
100N
R227
1/4W
MINI
20K0
C28
100V 100P
U15:A
MC33078P
R245
1/4W
MINI
1K0
U15:B
MC33078P
R244
1/4W
MINI
1K0
R253
1/4W
.
33K
U24:B
MC33078P
R108
1/4W
.
562R
R20
1/4W
.
3K74
U24:A
MC33078P
R43
1/4W
.
562R
R18
1/4W
.
3K74
U21:D
MC33079P
MC33079P
U21:C
W12:F
6
W12:D
6
W12:B
6
W12:E
6
1/4W
.
10K
R315
U4:B
MC33078P
R249
1/4W
.
2K
C153
63V 4U7
U4:A
MC33078P
C152
63V 4U7
C150
16V
100U
R213
1/4W
.
3K3
R233
1/4W
.
680R
D
4479
P10:B 20K
05C R/A
CH-2 GAIN
C149
16V
100U
R212
1/4W
.
3K3
R232
1/4W
.
680R
D
4479
P10:A 20K
05C R/A
CH-2 GAIN
R210
1/4W
.
4K7
RED
LD3
6405
R286
1/4W
0.1%
681R0
R285
1/4W
0.1%
681R0
R301
1/4W
2K2
.
LD5
POWER
6554
BLU
C203
100V 220P
R269
1/4W
MINI
1K0
C146
50V 680P
R223
1/4W
.
3K3
C202
100V 220P
R268
1/4W
MINI
1K0
R221
1/4W
.
3K3
R219
1/4W
.
4K7
R215
1/4W
.
3K3
C141
50V 680P
R214
1/4W
.
3K3
4
V+
11
V-
U20:E
U20:A
MC33079P
R211
1/4W
.
4K7
D
1B LIN
P12:B
4480
10K
MASTER
D
1B LIN
P12:A
4480
10K
MASTER
S T R J11
- - -
RIGHT
R
L
J6
GOLD .475
3460
R229
1/4W
MINI
20K0
C192
50V
100N
C78
100V
100N
C13
100V
100N
C172
100V
100N
C180
100V
100N
C178
100V
100N
C188
100V
100N
100V
C206
100N
C27
100V 100P
S T R J9
- - -
LEFT
MC33079P
U21:B
8
V+
4
V-
U4:C
R248
1/4W
.
2K
C156
50V 100N
R255
1/4W
.
1K
U18:B
NE5532N
U18:A
NE5532N
8
V+
4
V-
U18:C
R287
1/4W
0.1%
681R0
S2:A
GROUND LIFT
3425
R225
1/4W
.
100K
U20:B
MC33079P
63V
C159
4U7
RIBBON CABLE
U19:C
MC33079P
D
4479
P11:A 20K
05C R/A
CH3-GAIN
U19:A
MC33079P
J8:A
3922
MIC
U20:D
MC33079P
U19:B
MC33079P
U20:C
MC33079P
U19:D
MC33079P
S T R J5
- - -
I/P LEFT MONO
S T R J7
-
- -
I/P RIGHT
S T R J12
-
- -
HEADPHONE