Power Supply(Main Section) - Panasonic SA-BT230P Service Manual

14.4. Power Supply(Main Section)

IC5799
MIP2F20MSSCF
SWITCHING POWER
SUPPLY CONTROL
TR 3
VCC 4
S 7
SD 8
D 5
FB 2
VDD 1
AC INLET P.C.B.
P5701
AC INLET
L5702 L5703
TH5702
F1
3 4 3
2 1 2
DZ5701
IC5701
C5HACYY00004
SWITCHING
REGULATOR
D 1
D5710
VCC 4
D5709 D5706
OCP/BD 7
FB 6
GND 3
T5751
SUB
TRANSFORMER
D5896
7
D5716
6
10
5
2
3
PC5799
FEED BACK
3 2
4 1
PC5702
SYNC SWITCH
1 4
2 3
D5719
4
1
RY701
2 4
1 3
T5701
MAIN
D5701
TRANSFORMER
4
16
5
17
14
13
7 11
12
8
9
15
Q5720
D5712
CURRENT
LIMITING 2
SWITCH
1
PC5720
FEED BACK
4 1
3 2
HOT COLD
SMPS P.C.B.
JW2*
SYS5V
2
IC5899
C0DBZMC00006
SHUN
REGULATOR
3 K VREF 4
Q5898
SYNC JW2*
INVERTER
1
DC18V CN5802
1
Q5899
JW2*
PCONT
SWITCH
9
DC18V JW2*
8
D5802
QR5862
DCDET JW2*
DC DETECT
3
D5714
FAN 18V JW1
1
JW1
+51V
5,6
FEED BACK POWER CONT JW2*
CIRCUIT 10
IC5801
C0DABFC00002
SHUNT
REGULATOR
Q5863
99
MAIN P.C.B.
CN2004
SYS6V
2
TO
CN2004
MAIN(SYSTEM CONTROL)
1
IC2901
POWER P.C.B.
C0DBAYY00729
SWITCHING
REGULATOR
CONTROLLER
Q2903
CN2916 DC 18V OUT2 10 DC5V CN2917 CN5803
12 VCC REGULATOR
1 3 3
OUT1 11
DC12V CN2916 CN5802
REGULATOR
3 3
Q2902
SMPS P.C.B.
CN2004 FROM
9 MAIN(SYSTEM CONTROL)
CN2004 DC 18V
8
TO
DC DET1
MAIN(SYSTEM CONTROL)
CN2004
3
D-AMP P.C.B.
IC5400
3.3V
C0DBEKG00004
VOLTAGE
REGULATOR
CN5400 +18V FAN
VDD
2 IN VOUT 4
1
D5405
TO
CN5400
+55V DIGITAL AUDIO
PVDD
5,6
D5407
TO
DCDET
DIGITAL AUDIO
FROM
CN2004
10 MAIN(SYSTEM CONTROL)
SA-BT230P/PC,SA-BT330P/PC POWER SUPPLY(MAIN SECTION)(1/2) BLOCK DIAGRAM
1
TO POWER SUPPLY
SECTION (2/2)
2
JW2* CN2004 DC5V
3
4 4
JW2* CN2004 DC12V
4
7 7
5
D7013
6
CN5402 CN2006
18 1
CN5402 CN2006
7
10 9