YORKVILLE PSA1s Instructions De Service page 7

A B C
1
2
3
Use YS#4007
4
5
6
7
Use YS#3606 breaker for both NA and CE.
AC In
DPDT Switch
S2
2
2
Circuit Breaker
W16:B
S15
8
1u0
C26
275V
1
2
W16:A
9
10
11
A B C
D E F G
Microcontroller (on preamp board)
100N
C43 BDM_PORT
63V
1
6 W3:A W3:F
3 2
6 W3:B W3:E
VDD
3
6 W3:C W3:D
8
PTA0
U7
Power/Fault
7 2
PTA1 BKGD
LD2
GRN
6
6408 PTA2
1
PTA5
R50 5
6971
PTA3
470R
.
VSS
4
R101
1/4W
180R
.
K1:A
4127
R100
NTC 3
3 W9:C
5R0
6489
2
4N7
3 W9:B
C28
3 2
1
250V 1
3 W9:A 3575
3817 L1
0 W10
1500UH
4N7
C50 120Vac
250V
2
2 W7:B
1
2 W7:A
2
2 W8:B
2 1
1 4093
2 W8:A
240Vac
D E F G
H I J
THESE PARTS ARE NOT STUFFED.
Open Woofer Shutdown
6
6
5
6
4
6
D27 2N5551
4148
R96
Q6
BAT85
1/4W
5107
10K0 D26
MINI
TO92
22U
R95
113K C52
. RAD .2in 50V
D28
BAT85
100U
R102
C53
820R
BC560C
RAD .2in 25V
.
R103
Q7
1/4W
4127
5102
15K
.
TO92
K1:B
D29
4148
RED
BLK
1
W5:A 6
2
W5:B 6
BLU
3
VIO
W5:C 6
BRN
4
W5:D 6
GRY
YEL/BLK 5
W5:E 6
Pin 6 N.C.
6
W5:F 6
YEL
WHT
GRY
PRIMARIES SECONDARIES
CH1415U
H I J
K L M
C51
470P 50V
R94
R84
10K0
1/4W
MINI 10K0
MINI
TL072
R82
U13:C TL072 1/4W
10K0
MINI
U13:B
R83
U13:A 1/4W
10K0
D25
MINI
4148
R85
1/4W
10K0
MINI
+120V
4700U 4700U 4700U 4700U
BRIDGE C22:A C23:A C24:A
160V 160V 160V 160V
D6
SIP
6772
0 W12
ZD65
5W0 5V1
5124
1N5338B
5%
2486 U9
F3
D9 MC7815CT
IN OUT
T1.5 REF
4007
6872
D21
3300U 100N
TO220
C36 C38
4007
18X35MM 50V 63V
3300U 100N
D16
C37 C39
TO220
18X35MM 50V 63V
2486 4007
6871
F4
D20
REF
IN OUT
MC7915CT
T1.5 4007
U10
ZD67
5V1 5W0
1N5338B
5%
5124
K L M
N O P
R97
5K1
.
2 W15:A
1
9 W11:A
C25:A
2
2 W15:B
9 W11:B
R99
5K1
3
To Limiter
9 W11:C
.
4
9 W11:D
5
9 W11:E
6
9 W11:F
7
9 W11:G
8
9 W11:H
9
U11
9 W11:I
MC7805CT
IN OUT
REF
6738
100N 100N
TO220
C44 C46
63V 63V
100N 100N
C45 C47
63V 63V
6736
REF
IN OUT
MC7905CT
U12
Product PSA1s
MCU/Power Supply
PCB# M1449 Sheet
Date: Tue Jul 17, 2012 Rev: V02 YsType: YSL
Filename: M1449V02SCH.sch2006
N O P
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