Power Supply - Panasonic SA-XH201GW Service Manual

14.5. Power Supply

IC5799
MIP2F20MSSCF
SWITCHING
MODE POWER
SUPPLY CONTROL
CL 3
VCC 4
D 5
FB 2
VDD 1
AC INLET P.C.B.
P5701
AC INLET
L5701 L5702
TH5702
F1
TL30* TL31*
1 2 1 2
RED RED
DZ5701
TL20* TL21*
4 3 4 3
BLK BLK
IC5701
C5HACYY00008
SWITCHING
REGULATOR
D 1
VCC 4
OCP/BD 7
FB 6
NOTE: " * " REF IS FOR INDICATION ONLY
SMPS P.C.B.
T5751
SUB
TRANSFORMER
D5791 D5716
6
5
2
1
3
PC5799
FEEDBACK
3
4
PC5702
SYNC
1
D5711
2
D5701
PC5901
Q5901 PCONT
SWITCH 4
3
Q5902
SWITCH
D5901 D5903
T5701
MAIN
TRANSFORMER
5
4
6
D5702
8
7
9
D5708 D5705
Q5720
D5710 D5712
VOLTAGE
2
REGULATOR
1
D5704
D5709,D5706
PC5720
FEEDBACK
4
D5707
3
PRIMARY SECONDARY
D5896
CN5700 CN2004
SYS3.3V SYS3.3V
7
2 9
10
IC5899
C0DBZMC00006
SHUNT
REGULATOR
2 3 K VREF 4
1
SYNC CN5700 CN2004 SYNC
1 10
4
Q5898
SWITCH
3
PCONT CN5700 CN2004 PCONT
10 1
1
IC2901
QR5901
C0DBAYY00729
2CH SWITCHING
PCONT
2
SWITCH
REGULATOR
CONTROLLER
16
D5803
CN5700 CN2004
DC18V DC18V
17
4,5 6,7
D5802
13
CN5700 CN2004
DCDET DCDET
14 D5714 9 2
12
QR5862
11
DC DETECT D-AMP P.C.B.
+35V H5700 CN5400 +35V
3,4 3,4
D5703
1
FEEDBACK
2
CIRCUIT
IC5801
C0DAZYY00039
SHUNT
REGULATOR
73
MAIN P.C.B.
IC2602
C0DBZYY00417
HIGH
SIDE SWITCH
PW D+5V
2 IN
PW D+5V
3 IN
Q2902
+12V VOLTAGE
REGULATOR
PW +12V
OUT1 11 3 G D 1
D 2
OCP1- 14 D 5
Q2904
PW +18V
OCP1+ 13 4 S D 6
+9V VOLTAGE
PW +12V
REGULATOR
FB1 16
INV1 17
INV2 4
FB2 5
PW A+5V,PW D+5V
PW +18V
OCP2+ 8 4 S D 1
OCP2- 7 D 2
D 5
OUT2 10 3 G D 6
VCC 12
Q2903
+5V VOLTAGE
REGULATOR
PW +12V CN5402 CN2006 PW +12V
15 4
+3.3V CN5402 CN2006 +3.3V
18 1
+3.3V
3.3V
VDD,PW +12V
12V
TO
DCDET
DCDET
AUDIO & VIDEO
D5407
+35V
35V
SA-XH201GW POWER SUPPLY (1/2) BLOCK DIAGRAM
PW VREF,PW SYS3R3V,PW 3.3VREF
1
PW VBUS PW VBUS
2
OUT 6
OUT 7
OUT 8
VBUS EN
VBUS EN
EN 4
USB iPod OC
OC 5 USB iPod OC
SYNC
SYNC
FROM/TO
SYSTEM CONTROL
PCONT
PCONT
PW +12V
4
PW +9V,PW M+9V PW +9V,PW M+9V
3
D2910
PW A+5V,PW D+5V
6
TO POWER SUPPLY
BLOCK (2/2)
TO
DC DET2
DC DET2
SYSTEM CONTROL
FROM
DC DET2
DC DET2
AUDIO & VIDEO
+3.3V
5