Panasonic VIERA 50 Series - Page 4

Circuit Operation
Power
Supply
<TH-42PD50U, 37PX50U>
P Board Power Supply Outline
IC501
SYSTEM CONTROL
P Board Primary Circuit
I
4
P Board Secondary Circuit
Trans
T404
Rectifier
Rectifier
Rectifier
Rectifier
Hi
Trans
,1
T410
Rectifier
F STB 14V
Rectifier
To PB30
For Fan
To D25
P5
To SC23
To
Process
Circuits
To Audio
Circuit
To PA10
PA&PB Board Regulator Circuit
PA10
1
2
3
PA-BOARD
Q5606
3.3V
NR14V
IC5602
3.3V/5V
Main 3.3V
t
—TUNER MAIN ON/OFF
Sub 3.3V
*
Sub 5V
-
Sub 9V
Q5603
5V
Main 5V
IC5601
2.5V/9V
t
—TUNER MAIN ON/OFF
Q5601
9V
Main 9V
t
—TUNER_MAIN ON/OFF
* Sub 9V_1, Sub 9V_2
*
Main 2.5V
PB-BOARD
IC5603
BT 30V
BT30V
PB5
+12Vs(W)
+12Vs(W)
+12Vs(S)
IC5803
AUDIOIOV
1 0Vs(W)