V-Reg Assy (2/3) - Pioneer SC-63 Service Manual

1

10.44 V-REG ASSY (2/3)

A
CN7551
B
B5B-EH
TOP
S5-1 1
S5-C
2
MAIN
S5-2
3
TRANS
S6-1
4
S6-2 5
12VTRG
C
Heat Sink for IC7551
ANH7251-A
with BBZ30P080FCC
NJM78M12FA
3
D
E
F
U
2/3
168
1
2
H7551
FU32
AKR1004-A
1 1
H7553
AKR1004-A
H7552
FU31
AKR1004-A
1 1
H7554
AKR1004-A
C7553
NM
!
*IC7551
V+12TRG
IN
1
OUT
COM
2
GNDV
!
+25.5V
*D7554
1SR154-400
*D7551
1SR154-400
!
2
3
(2125)
! R7551
NM
!
JV7551
P7551
1
*C7557
1000u/35
!
NOTE
1.RESISTORS
Unit: k-k , M-M or
unless otherwise noted.
Rated power: 1/10W unless
otherwise noted.
Tolerance: (J) 5% unless
otherwise noted.
2125 : RS1/8SQ
MUF : RS1/4MUF
2.CAPACITORS
Unit: p-pF, or F unless
otherwise noted.
Ratings: Capacity( F)/Voltage(V)
unless otherwise noted.
NP : CEANP
CFTLA ; CFTLA
AK : CEAK
NO MARKED : CEAT or CKSRYB
3. NM : NO MOUNT
SC-63
3
4
D7559
C7561
100u/35
1SR154-400
NP
!
!
!
D7557
2
1SR154-400
NM
50/60Hz
R7553
D7556 3.3k
1SS355
!
2
! D7560
D3SBA60(B)
4 1
3
4
R7555
MUF
390
(1/4W)
!
+3.3V
0V
R7563
2125
NM
R7564
2125
NM
V+12
V-12