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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
C5HACYY00003
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
6
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*
CN2004
SYS5V
SYS6V
2
2
IC5899
C0DBZMC00006
SHUNT
REGULATOR
3 K
VREF 4
Q5898
TO
SYNC
JW2*
CN2004
INVERTER
MAIN(SYSTEM CONTROL)
1
1
DC18V
CN5802
CN2916
DC 18V
1
1
Q5899
JW2*
CN2004
FROM
PCONT
SWITCH
9
9
MAIN(SYSTEM CONTROL)
DC18V
JW2*
CN2004
DC 18V
8
8
D5802
QR5862
DCDET
JW2*
CN2004
DC DETECT
3
3
D-AMP P.C.B.
D5714
FAN 18V
JW1
CN5400
+18V FAN
1
1
JW1
CN5400
+51V
+48V
5,6
5,6
FROM
FEED BACK
POWER CONT
JW2*
CN2004
CIRCUIT
10
10
MAIN(SYSTEM CONTROL)
IC5801
C0DABFC00002
SHUNT
REGULATOR
Q5863
97
MAIN P.C.B.
IC2901
POWER P.C.B.
C0DBAYY00729
SWITCHING
REGULATOR
CONTROLLER
Q2903
OUT2 10
DC5V
CN2917
CN5803
JW2*
CN2004
DC5V
12 VCC
REGULATOR
3
3
4
4
OUT1 11
DC12V
CN2916
CN5802
JW2*
CN2004
DC12V
REGULATOR
3
3
7
7
Q2902
SMPS P.C.B.
TO
DC DET1
D7013
MAIN(SYSTEM CONTROL)
IC5400
CN5402
CN2006
3.3V
C0DBEKG00004
18
1
VOLTAGE
REGULATOR
VDD
2 IN
VOUT 4
1 VC
D5405
PVDD
D5407
TO
DCDET
DIGITAL AUDIO
SA-BT222EB/EG POWER SUPPLY(MAIN SECTION) (1/2) BLOCK DIAGRAM
1
TO POWER SUPPLY
SECTION (2/2)
2
3
4
5
6
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