Power Supply - Panasonic SA-AKX12PH Service Manual

14.3. Power Supply

IC5799
MIP2F20MSSCF
SWITCHING POWER
SUPPLY CONTROL
CL 3
D5795
VCC 4
D 5
FB 2
VDD 1
P5701
AC INLET
L5701
F1
3 4
TH5702
2 1
DZ5701
FOR PH
S5701
VOLT ADJ
VOLTAGE
SELECTOR P.C.B.
IC5701
C5HACYY00005...PH
C5HACYY00004...PN
SWITCHING
D5726
REGULATOR
D 1
D5729
VCC 4
D5727 D5724
OCP/BD 7
FB 6
S 2
GND 3
FOR PH FOR PN
16
4 4
17
5 5
6 6
13
7 7
8 8
14
15
11
2 2
12
1 1
NOTE: " * " REF IS FOR INDICATION ONLY
T5751
SUB
TRANSFORMER
D5798
6
5
D5896
7
2
1
10
3
IC5899
C0DAEMZ00001
SHUNT
PC5799 REGULATOR
FEEDBACK
3 2 1 C
4 1
PC5702
SYNC
1 4
Q5898
D5730
SWITCH
2 3
PC5701
QR5810
FEEDBACK
PCONT SWITCH
3 2
4 1 QR5801
SWITCH
Q5860,Q5861,Q5862
D5701
TH5860
TRANSFORMER
TEMP. DETECT
QR5802
DC DETECT
T5701
MAIN
TRANSFORMER
16
D5803
4
17
5
Q5721
SWITCH
6
13
7
D5802
8
14
Q5720,Q5722
15 D5801
D5731
CURRENT 11
LIMITING 2
SWITCH
12
1
PC5720
FEEDBACK
4 1
D5725
3 2 FEEDBACK
CIRCUIT
IC5801
C0DABFC00002
16
SHUNT
REGULATOR
17
13
14
15
11
12
HOT COLD
SMPS P.C.B. MAIN P.C.B.
SYS3.3V CN5802 ZJ2002* SYS3.3V
8 8
Q2015
SYS3.3V POWER DVREF+
SUPPLY
R 2
Q2014
PCONT
SYNC CN5802 ZJ2002* SYNC
7 7
PCONT CN5802 ZJ2002* PCONT
14 14
DCDET2 CN5802 ZJ2002* DCDET2
10 10
IC2010
C0CAAKG00046
+12V VOLTAGE
REGULATOR
D2016,D2019,D2021
DC16V +12V
1 IN OUT 3
D2018,D2020,D2022
Q2022
IC2011
+7.5V VOLTAGE
C0DAAYG00001 REGULATOR
+5V SWITCHING
VOLTAGE REGULATOR
DC16V CN5802 ZJ2002* DC16V DC16V +5V
1 VCC OUT 2
13 13
IC2009
C0DBFYY00049
+3.3V VOLTAGE
REGULATOR
D5804
+5V
1 VIN
VOUT 3
+5V
3 CE
+35V SENSE CN5802 ZJ2002* +35V SENSE
5,6 5,6
CN5802 ZJ2002*
-35V SENSE -35V SENSE
1,2 1,2
D2015
D2014
Q2035
AM
BEATPROOF
CIRCUIT
75
SYS3.3V
3.3V
SYS3.3V CN2003 CN6001 SYS3.3V
6 12 VREF+
DVREF+ CN2003 CN6001 DVREF+
4 14
DVREF+
DVREF
VREF+
CD 3.3V CN2003 CN6001 CD3.3V
8 10
+5V CN2003 CN6001 +5V
SYNC
SYNC
2 16
PCONT
PCONT
FROM/TO
SERVO &
SYSTEM CONTROL
DC DET PWR
DC DET PWR
+12V
12V
+9V
9V
CD+7.5V CD+7.5V CN2706 CN7002 +7.5V
27 1
CN2706 CN7002
+5V 5V
12,13 15,16
+5V
5V
CN2706 CN7002
CD 3.3V CD 3.3V 3.3V
6,15 13,22
+35V SENSE
35V
-35V SENSE
-35V
CN2010 CN51
CD 3.3V 3.3V
5 5
SMPS BP FROM SERVO &
SMPS BP
SYSTEM CONTROL
SA-AKX12PH/PN POWER SUPPLY BLOCK DIAGRAM
PANEL P.C.B.
SYS3.3V
3.3V
DVREF+
DVREF
REMOTE SENSOR P.C.B.
CN6005 CN6006 VREF+
VREF
2 2
ZJ6000B* ZJ6000A* CD3.3V
3.3V
3 3
ZJ6000B* ZJ6000A* +5V
5V
1 1
LCD P.C.B.
CD SERVO P.C.B.
+7.5V
7.5V
5V
5V
3.3V
3.3V
5V CN7901 CN1113 VBUS
VBUS
2 4
USB P.C.B.
3.3V
3.3V
TUNER P.C.B.