Power Supply(Main Section) - Panasonic SA-BTT350P Service Manual

15.4. 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 4
2 1 2 1
DZ5701
IC5701
C5HACYY00004
SWITCHING
REGULATOR
D 1
VCC 4
D5709 D5706
OCP/BD 7
FB 6
GND 3
T5751
SUB
TRANSFORMER
D5896
7
D5716
6
10
5
1
2
3
PC5799
FEED BACK
3 2
4 1
PC5702
SYNC SWITCH
1 4
D5711
2 3
D5719
RY701
2 4
1 3
T5701
MAIN
D5701
TRANSFORMER
4
16
5
17
D5803
D5802
6
14
13
7 11
12
8
9
D5805
15
Q5720
D5710 D5712
REGULATOR
2
1
D5714
PC5720
D5703
FEED BACK
4 1
3 2
HOT COLD
SMPS P.C.B.
JW2* CN58001
SYS5V SYS6V
2 2
IC5899
C0DBZMC00006
SHUNT
REGULATOR
3 K VREF 4
JW2* CN58001
SYNC SYNC
1 1
Q5898
SWITCH
IC2901
C0DBAYY00729
SWITCHING
REGULATOR
CONTROLLER
Q2903
CN5802 CN2916 OUT2 10 VOLTAGE
DC18V DC 18V
12 VCC
1 1 REGULATOR
OUT1 11 VOLTAGE
REGULATOR
Q2902
Q5899
PCONT JW2* CN58001 PCONT
PCONT
9 9
TO
POWER SUPPLY
DC18V JW2* CN58001 DC18V
DC18V
(DIGITAL SECTION)
8 8
IN VOLUME 2
JW2* CN58001
POWER CONT POWER CONT
10 10
QR5862
DCDET JW2* CN58001 DC DET
DC DETECT
3 3
D-AMP P.C.B.
IC5400
C0DBEKG00004
VOLTAGE
REGULATOR
FAN 18V JW1* CN5400 +18V FAN
2 IN VOUT 4
1 1
D5405
JW1* CN5400
+51V +55V
5,6 5,6
D5407
FEED BACK
CIRCUIT
IC5801
C0DABFC00002
SHUNT
REGULATOR
Q5863
102
DIGITAL P.C.B.
CN58002 CN2004
SYS6V SYS6V
12 2
CN58003 CN2010
TO PW VREF PW VREF
PW VREF
4 19
POWER SUPPLY
(DIGITAL SECTION) DC5V
IN VOLUME 2
DC12V
CN58002 CN2004
SYNC SYNC
13 1
POWER P.C.B.
DC5V CN2917 CN5803 JW2* CN58001 DC5V CN58002 CN2004 DC5V
3 3 4 4 4 9,10
DC12V CN2916 CN5802 JW2* CN58001 DC12V CN58002 CN2004 DC12V
3 3 7 7 5 9
SMPS P.C.B.
PCONT CN58002 CN2004 PCONT
4 10
FROM/TO
DC DET BASE CN58002 CN2004 DC DET BASE
POWER SUPPLY DC DET BASE
2 12
(DIGITAL SECTION)
DC DET
IN VOLUME 2
POWER CONT CN58002 CN2004 ECO CTL
3 11
DC DET CN58002 CN2004 DCDET1
11 3
CN5402 CN2006
+3.3V PW D3R3V DAP
3.3V
18 1
VDD
TO
CN5402 CN2006 QUICK PCONT
AUDIO & VIDEO 10 9
PVDD
TO
DCDET
AUDIO & VIDEO
NOTE: " * " REF IS FOR INDICATION ONLY
SA-BTT350P,SA-BTT750P POWER SUPPLY(MAIN SECTION) (1/2) BLOCK DIAGRAM
MAIN P.C.B.
SYS6V
1
PW VREF
8
TO
SYNC
SYSTEM CONTROL
TO POWER SUPPLY
(MAIN SECTION)
SECTION (2/2)
DC5V
3
DC12V
4
FROM
PCONT
SYSTEM CONTROL
DC DET BASE
5
FROM
ECO CTL
SYSTEM CONTROL
DCDET1
6
PW D3R3V DAP
2
QUICK PCONT
7