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Regulator Schematic Diagram - Onkyo CR-245 Service Manual

Cd receiver
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A
B
SCHEMATIC DIAGRAMS - 9
REGULATOR (MAIN PCB)
1
L1709
SIGNAL_POW
2
4.7uH_FLF3215T
3
W916
1608
FROM/TO POWER PCB
W915
GND
1608
( POWER = 16.5V )
VFD_GND
14
SIGNAL_GND
13
SIGNAL_POW
12
SIGNAL_POW
4
POWER_FAIL
11
POWER_FAIL
W879
10
SIGNAL_GND
1608
W878
9
SIGNAL_GND
1608
8
IPOD_POW
(17.0V)
SIGNAL_POW
7
IPOD_POW
6
IPOD_GND
5
IPOD_GND
SYS_POW-H
4
SOUND+B
1K 1/16W
(17.0V)
SOUND+B
3
SOUND+B
2
SOUND_GND
5
GND
1
SOUND_GND
L1710
SIGNAL_POW
CP1701
4.7uH_FLF3215T
A2001WV-14A
GND
SH1702
YQ-36
SH1704
YQ-36
6
SH1701
TER21-0130V
SH1703
TER21-0130V
R1701
1K 1/16W
7
L1711
4.7uH_FLF3215T
GND
ATTENTION
:
LES PIECES REPAREES PAR UN
DANGERUSES AN POINT DE VUE SECURITE
8
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES.
C
D
( 4 )
AT+3.3V DC/DC Converter
IC1715
LV5990M
AT+3.3V DC/DC Converter
L1706
12
1
VIN
SW
10uH_LQH88PN
R1743
!
11
2
EN
PDR
100K 1/16W
1005
R1745
10
3
PG
GND
1M 1/16W
1005
9
4
REF
NC
C1768
8
5
FB
C-HICCUP
0.0022 B
50V
1005
C1769
7
COMP
SS
6
0.0022 B
50V
1005
( 3 )
S+9V DC/DC CONVERTER
10uH_LQH88PN
L1703
R1715
1005
C1724
0.1 B
25V
1005
( 2 )
iPod VBUS(5.0V 1.1A) DC/DC CONVERTER
10uH_LQH88PN
L1701
1005
C1704
0.1 B
25V
1005
CAUTION
:
SINCE THESE PARTS MARKED BY
!
ETANT
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY.
CR-245
E
F
G

REGULATOR SCHEMATIC DIAGRAM

(4-1)
AT+3.3VU Gate Circuit
Q1707
KTA1544T-RTK/P
W910
AT3.3VU
1608
R1749
2.2M 1/16W
1005
(3-1)
for Audio Block(6.0V 0.31A) DC/DC CONVERTER
C1772
10 B
10V
2125
C
2
B
1
E
3
AT3.3V
R1729
SYS_POW-H
10K 1/16W
1005
L1713
4.7uH_FLF3215T
GND
(3-6)
for DVD Block(6.0V 0.66A) DC/DC CONVERTER
B1701
S9V
FCM1608KF-102T02
R1722
CD_POWER-H
1K 1/16W
1005
L1712
4.7uH_FLF3215T
GND
Dock VBUS Current Limit
R3090
2 C
Q1727
10K 1/16W
B
KRC102SRTK
1005
1
3 E
IC1706
!
AAT4614IGU-2-T1
C1822
4 ON/ON
FLT
3
0.1 B
10V
1005
5
SET
GND
2
6
IN
OUT
1
!
ARE
CAUTION:DIGITAL TRANSISTER
H
I
( MAIN PCB )
10uH_LQH88PN
L1705
C1744
0.1 B
25V
1005
10uH_LQH88PN
L1704
FCM1608KF-102T02
C1734
0.1 B
25V
1005
IP_POW
USB_VBUS_1
IP_FAULT
CR-245
J
K
AT3.3V
AT3.3V
(2;5;10)
AT3.3VU
AT3.3VU
(2)
SIGNAL_POW
SIGNAL_POW (10;11)
SOUND+B
SOUND+B
(10)
S9V
S9V
(5;6)
D6V
D6V
(4)
A+6V
USB_VBUS_1
USB_VBUS_1 (7)
D6VS
D6VS
(10)
A+6V
A+6V
(10)
SYS_POW-H
SYS_POW-H
(2;10)
CD_POWER-H
CD_POWER-H (2)
IP_POW
IP_POW
(2)
IP_FAULT
IP_FAULT
(2)
POWER_FAIL
POWER_FAIL (2;5)
VFD_GND
VFD_GND
(10;11)
GND
GND
(1;2;3;4;5;6;7;8;10)
B1702
D6V
D6VS

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Cr-245bCr-245grCr-245rCr-245wCr-245br