Power Supply (1/2) Block Diagram - Panasonic SU-HTB550GK Service Manual

14.5. POWER SUPPLY (1/2) BLOCK DIAGRAM

P5701
AC INLET L5702
F1 TH5702
3 4 3
DZ5701
2 1 2
IC5701
C0DAAYY00064
SWITCHING
REGULATOR
S 2
D 1
BD 6
D5710
VCC 3
FB 5
SMPS P.C.B.
T5701
MAIN
TRANSFORMER
9
D5721
11
D5802
D5701
L5703 5
12
4 4
1
10
D5803
6
D5702
15
14
7
8
D5706
D5704
Q5720
D5712
VOLTAGE
2
REGULATOR
1
D5705
D5807
PC5760
FEEDBACK
4 1
3 2
FEEDBACK
Q5760,Q5761 CIRCUIT
QR5762, D5760
PC5720
FEEDBACK
4 1
FEEDBACK
3 2
CIRCUIT
IC5801
C0DAAYY00072
SHUNT
REGULATOR
Q5863
PRIMARY SECONDARY
SYNC CN1 CN2202
1 9
CN1 CN2202
DC DET
2 8
DC20V CN1 CN2202
8,9 1,2
QR5862
DC DETECT
BK5V CN1 CN2202
5 5
DAMP P.C.B.
IC5822
C0EBY0000867
VOLTAGE
DETECTOR
QR5824 QR5823
SWITCH SWITCH
2 VDD OUT 1
DC20V JW1 CN5900
1 1
Q5864
D5823
SWITCH
JW1 CN5900
PVCC
3,4 3,4
CN1 CN2202
SD OUT
3 7
CN1 CN2202
ECO CONT
4 6
91
MAIN P.C.B.
QR2301
SYNC
QR2302
D2304
SYNC SYNC
CONTROL
DC DET
IC2503
C0CBCDD00004
+5V VOLTAGE
REGULATOR
1 VCONT
D2321
REG8V
5 VIN
QR2801
IC2801 IC2805
SWITCH
C0DBAYH00005 C0DBAYH00005
+8V VOLTAGE +1.8V VOLTAGE
REGULATOR REGULATOR
DC20V DC20V REG8V REG8V
1 VIN VOUT 2 1 VIN
5 ON/OFF ADJ 4
QR2804
IC2806
SWITCH
C0DBAYH00005
+3.3V VOLTAGE
REGULATOR
REG8V
1 VIN
IC2802
C0DBEYY00146
+3.3V VOLTAGE
REGULATOR
BK5V BK5V BK 3.3V
3 VIN VOUT 1
BK5V
5 CE ADJ 4
REG12V CN5200 CN2201
IC5801
36,37,38 3,4,5
C0DBAYH00005
+12V VOLTAGE
REGULATOR
PCONT DAMP CN5200 CN2201
ON/OFF 5
16
ADJ 4
DC20V
DC20V REG12V REG12V
1 VIN VOUT 2 12V
D5802 D5805 D5801
Q5801
CN5200 CN2201
S DET
DC DETECT
11
PVCC PVCC
PVCC
REG3.3V
3.3V
CN5200 CN2201
REG3.3V
6,7 34,35
SD OUT
ECO CONT
SC-HTB550GK/GS/GSX(SU-HTB550GK/GS/GSX) POWER SUPPLY (1/2) BLOCK DIAGRAM
SYNC
SYNC
FROM/TO
SYSTEM CONTROL
DC DET
DC DET
HDMI PCONT
HDMI PCONT
+5V +5V
VOUT 4 5V
HDMI 1.8V HDMI 1.8V
VOUT 2 1.8V
ADJ 4
HDMI 3.3V HDMI 3.3V
VOUT 2 3.3V
ADJ 4
TO POWER SUPPLY
BLOCK (2/2)
BK 3.3V
3.3V
REG12V REG12V
1
PCONT DAMP
PCONT
25
FROM/TO
SYSTEM CONTROL
S DET
S DET
30
S DET
2
REG3.3V REG3.3V
3
SD OUT
SD OUT
FROM
SYSTEM CONTROL
ECO PCONT
ECO PCONT