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Smps - Panasonic SA-BT300PX Service Manual

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13.4. SMPS

D 5.3V
CN7001
CN5802
PCONT
TO/FROM
10
SYSTEM CONTROL
CN7001 CN5802
SYNC
1
SYS3.3V
D3.3V
WL D5V
D5V
A5V
P55003 CN7002
TO DIGITAL (REGULATOR)
1
4
D7020
P55003 CN7002
TO DIGITAL (REGULATOR)
4
1
A+7V
IC8008
D7021
C0CBADC00042
VOLTAGE
REGULATOR
CN8501 CN503
VAA
1
VOUT
VIN 3
21
2
Q8015
POWER CONTROL
Q8014
CN8501 CN503
VSS
POWER SUPPLY
22
1
TUNER PACK
Z6351*
CN6351
CN801
A9V
9
2
9
Q7004
POWER SUPPLY
A-7V
Q7005
POWER CONTROL
FAN DC
FROM
SYSTEM CONTROL
DC DET
+ 18V
-13V
+B
-B
Q8026
VCC
REGULATOR
CN7001
CN5802
FROM
SYSTEM CONTROL
11
D5.3V
CN7001 CN5802
SYS5V
2
IC104
C0CBABC00117
VOLTAGE
REGULATOR
1
VOUT
VIN 3
IC7002
C0DBZYY00018
VOLTAGE
REGULATOR
CONT 5
1
VO
VIN 8
IC7001
C0DBAYY00333
SWITCHING
REGULATOR
CONTROLLER
Q7003
REGULATOR
10
OUT2
Q7002
REGULATOR
11
OUT1
Q7006
REGULATOR
Q7007
DC DETECT
Q7008
DC DETECT
IC7003
C0DBZHG00047
VOLTAGE
REGULATOR
ON/OFF 3
A9V
3
VOUT
VIN 1
D12V
QR7001
D7022
DC DETECT
CN8502
JW*
FAN 18V
1
CN7001 CN5802
4
VCC 12
STB 15
VREF 20
DT1 19
DT2 2
Q5899
RELAY DRIVE
Q5898
INVERTER
D7024
D5809
Q5862
DCDET
DC DETECT
+18V
CN7001
CN5802
DC18V
8, 9
CN7001
CN5802
-13V
5
CN8502
JW*
+30V SENSE
7, 8
CN8502
JW*
-30V SENSE
3, 4
D5807
IC5801
C0DABFC00002
SHUNT
REGULATOR
Q5861, Q5863
SWITCH
2
3
86
IC5799
T5751
MIP2F20MSSCF
SWITCHING POWER
BACKUP
SUPPLY CONTROL
TRANSFORMER
D5896
7
3
5
D
3 TR
2
D5798
6
4
VCC
IC5899
C0DAEMZ00001
SHUNT
PC5799
REGULATOR
2
FB
FEED BACK
1
2
3
D5799
F2
RY701
PC5702
SYNC
SWITCH
T5701
MAIN
TRANSFORMER
D5701
D5805
L5703
TH5702
15
4
D5803
IC5701
17
C5HACYY00003
SWITCHING
REGULATOR
D5804
Q5720
18
CURRENT
2
LIMITING
D5802
SWITCH
4
VCC
14
D5801
11
8
1
D
PC5720
1
FEED BACK
6
FB
S5701
VOLTAGE SELECTOR
P5701
AC IN
L5702
L5701
DZ5701
F1
SA-BT300PX SMPS BLOCK DIAGRAM

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