Read Panasonic SA-BT230EB / SA-BT230EE / SA-BT230EG / SA-BT230EP / SA-BT330EB / SA-BT330EG / SA-BT330EP / SC-BT230EE (serv.man4) Service Manual Supplement online
3
2 Block Diagram (Updates)
2.1.
Power Supply (Main Section)
With reference to original service manual (section 14.4) on page 103.
SA-BT230EB/EE/EG/EP,SA-BT330EB/EG/EP POWER SUPPLY(MAIN SECTION) (1/2) BLOCK DIAGRAM
TO POWER SUPPLY
SECTION (2/2)
SECTION (2/2)
1
2
3
4
5
6
7
DC18V
AC INLET
P5701
F1
DZ5701
L5702
5,6
5,6
CN5400
JW1*
10
10
CN2004
JW2*
3
3
CN2004
JW2*
1
1
CN2004
JW2*
9
9
CN2004
JW2*
+51V
+55V
1
1
CN5400
JW1*
FAN 18V
+18V FAN
2
2
CN2004
JW2*
SYS6V
SYS5V
SD 8
S 7
FB 2
VDD 1
D 5
SWITCHING POWER
SUPPLY CONTROL
SUPPLY CONTROL
MIP2F20MSSCF
IC5799
SHUNT
REGULATOR
REGULATOR
C0DABFC00002
IC5801
5
VCC 4
TR 3
6
3
4
2
1
3
2
SUB
TRANSFORMER
TRANSFORMER
T5751
7
5
4
1
2
12
16
10
11
15
MAIN
TRANSFORMER
TRANSFORMER
T5701
13
17
14
7
6
8
9
2 IN
VOLTAGE
REGULATOR
REGULATOR
C0DBEKG00004
IC5400
VOUT 4
12 VCC
SWITCHING
REGULATOR
CONTROLLER
REGULATOR
CONTROLLER
C0DBAYY00729
IC2901
OUT2 10
OUT1 11
3
2
4
1
L5703
TH5702
D5719
D5701
3
2
4
1
RY701
2
1
4
3
D5896
D5716
D5712
D7013
D5407
D5405
D5710
D5802
D5706
D5709
Q5899
PCONT
1
18
CN2006
CN5402
9
10
CN2006
CN5402
POWER CONT
DCDET
3
3
CN5803
CN2917
DC5V
DC5V
3
3
CN5802
4
JW2*
7
JW2*
4
CN2004
7
CN2004
CN2916
DC12V
DC12V
1
1
CN2916
CN5802
DC 18V
DC18V
SWITCH
QR5862
DC DETECT
Q5863
FEED BACK
CIRCUIT
Q5898
SYNC
INVERTER
Q2903
REGULATOR
Q2902
REGULATOR
Q5720
CURRENT
LIMITING
SWITCH
PC5799
FEED BACK
1
2
4
3
PC5702
SYNC SWITCH
4
3
1
2
PC5720
HOT
COLD
FEED BACK
SWITCHING
REGULATOR
REGULATOR
C5HACYY00003
IC5701
VCC 4
OCP/BD 7
FB 6
GND 3
D 1
D5714
PVDD
VDD
DC DET1
3.3V
IC5899
3 K
SHUNT
REGULATOR
C0DBZMC00006
VREF 4
DCDET
TO
MAIN(SYSTEM CONTROL)
MAIN(SYSTEM CONTROL)
TO
DIGITAL AUDIO
DIGITAL AUDIO
TO
DIGITAL AUDIO
DIGITAL AUDIO
FROM
MAIN(SYSTEM CONTROL)
MAIN(SYSTEM CONTROL)
TO
MAIN(SYSTEM CONTROL)
MAIN(SYSTEM CONTROL)
FROM
MAIN(SYSTEM CONTROL)
MAIN(SYSTEM CONTROL)
8
8
CN2004
JW2*
DC 18V
MAIN P.C.B.
SMPS P.C.B.
SMPS P.C.B.
POWER P.C.B.
D-AMP P.C.B.
AC INLET P.C.B.
Q7091
SWITCH
AM BP
FROM
MAIN(SYSTEM CONTROL)
MAIN(SYSTEM CONTROL)
VOLT ADJ
S5701
VOLTAGE
SELECTOR P.C.B.
CHANGE
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