YORKVILLE K4 Service Manual page 12

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4032
3498
3498
3498
CH-4 GAIN
-
-
-
LIN
P2
10K
-
-
-
7
7
7
X51
-
-
-
C81
SUB-OUT
J3
LEFT
J1
RIGHT
J2
4U7
C82
63V
R175
U12
R167
2K
U8
R166
2K
100N
R174
X52
C84
C88
W15
100N
100N
C83
1
2327
6
100N
K4
C89
M1238
V04
4/5
X63
U2
10K
R40
X47
D50
Q14
C19
C20
C22
68N
C73
2U2
63V
U1
D48
100N
BLK
W16
R53
C68
.
X58
+15
2K
W43
C28
R
W48
R182
X53
X84
-15
1K
C11
10U
L
MPSA56
16V
C85
R181
SG
R T V
LOW
MPSA56
160V
SIG
Q4
10U
50V
U3
R20
22U
Q15
W49
4056
2
1
C29
B
R
4056
2
1
R28
B
R
W12
W51
WHT
MPSA56
R165
10K
+15V TUBE
1U
C54
Q3
X49
X70
R T V
X55
C71
C72
C52
220U
X54
160V
V T
R
R
V T
R
AG
L
AG
.
W11
WARNING!
TUBE AG2
W48_
RED
W50
GRN
120V DC IS
63V
1U
BLU
TUBE120VDC
BETWEEN
C49
C55 TO
V T
R
GROUND
V T
R
X31
220U
160V
R164
160V
220U
C55
C58
C3
R127
68N
C4
C57
U7
R T V
C5
X45
X44
BRN
W34
X34
+29VDC
100N
BLK
1
4
2337
W29
100N
W38_
C66
-15V
WHT
-29VDC
CLINCH
INSERT
ORIGIN
VCD
LONG AXIS
ORIGIN
K4
W35
W37
WHT
M1238
3/5
BRN
L-MID
R-MID
V04
PCB CONN 4 CIR BOTTOM .156
W5
1
2
3
4
3903
W30
BLK
W41
W40
AG
RED
WHT
W1
W4
YEL
ORN
L-TWEETER
R-TWEETER
Q18
Q20
Q16
C31
SPKR/ R-MID
BC560C
63V
RED
4U7
Q17
W6
W39
BRN
+29V
BC560C
25V
68U
C25
TP4
TOOLING PIN
5101
Q13
Q35
U10
BC550C
T221D
TO220
MJF6388
MC7815CT
6815
6872
10K
R135
6467
6871
6872
MC7915CT
MC7815CT
5101
Q2
TO220
TO220
BC550C
U11
U9
8829 SCREW
TP1
R T V
1U
C51
68U
25V
W28
Q8
Q10
BC560C
Q6
TO126
C14
BC560C
22U
Q7
C7
50V
4U7
63V
Q5
BD139
R30
6774
W20
C64
4N7
250V
6451
W47
3538
W2
3903
4
3
2
1
.156
BOTTOM
CIR
4
CONN
PCB
6774
SPKR/WOOFER
63V
BD139
C38
470U
V T
V T
R
R
50V
C24
22U
TO126
D10
Q25
Q21
Q19
TP3
Q23
8829 SCREW
Q27
Q33
BEC
LOC
TO126
TO126
BD237
BD238
6787
6788
R134
6467
D44
6A2
D47
6A2
R131
TP2
1/2W
22R
SPKR/L-MID
W3
DOWN
BAR
DOWN
BAR
1U
C9
C8
6434
WHT
6434
W23
W27
X18
GRY
GRY
X26
X27
Q9
6A2
6A2
D40
D43
SEE LAYOUT DOCUMENTATION
Pcb Mech
3602
Top Assy
SET P1 FOR 2 mV
C43
W8
V T
R
BETWEEN TP5
RED
470U
AND TP6
R86 R83
R82
P1
63V
V T
R
4529
R111
Q26
470R
X14
Q34
BC560C
BC560C
R112
TP6
C75
C76
TOOLING PIN
Q24
U4
D27
D26
D22
C70
D18
100N
Q29
4148
2N5638
4148
.
R93
1U
C48
R156
6467
X81
LD2
.
LD1
RED
RED
U6
1U
6405
6405
10K0
R185
D56
R100
3K
3V0
U13
R205
X56
Q40
X69
6880
BC560C
Q41
220K
470R
X77
X67
R187
4148
W39_
D52
RED
BRN
+29VDC
F2
W28_
FAN-AG
W43_
BLK
C60
C62
3414
V T
R
SPKR/AG
BAR DOWN
V T
V T
TUBE AG2
W9
BLK
R
R
W50_
6A2
6A2
V T
BAR DOWN
R
6434
BLU
3300U
50V
D45
50V
3300U
W26
W24
RED
RED
V T
R
3300U
3300U
BAR DOWN
50V
6434
W13
W25
50V
V T
R
BLK
YEL
6A2
R
V T
XFMR
BAR DOWN
X28
D46
D42
V T
R
X29
F3
C59
C63
3414
W29_
WHT
-29VDC
M1238
V04
M1238
V04
BC560C
Q39
R148
Q37
Q38
C46
W38
100N
BLK
Q36
-15V
X83
MPSA56
R207
22M
15K
R208
U15
X80
X79
Q42
SOCKET
SOCKET UPSIDE DOWN
U14
R191
20K
R189
C77
NORMAL
47K
R190
470R
1N
C26
R188
NORMAL LARGE
SOCKET WITH DIRECTION
5-AMP SB
CAUTION!
Replace with same
TAB
6434
type and value fuse.
D41
K4
M1238
1/5
6A2
6434
V04
5 AMP SB
CAUTION!
Replace with same
type and value fuse.

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