LG 50PV450 Manual page 48

50PV450 Television Turn On Sequence
50PV450 Television Turn On Sequence
F302
In Stand-By Primary side is 160.1V
F801
In Run (Relay On) Primary side is 390V
(SMPS)
AC In
Stand
1
By 5V Reg
STBY
RUN
3.47V 5.14V
AC
Det
RL On
AC Stand By
Error Det.
Det. 5V
6 2
Error Det.
AC Det.
Not
Mutes
Used
Audio
3.3VST
3.3V Reg
IC302
2
Reset
3
C108 & R62
rd
3
Relays
+5V
st
1
Regulator
RL On
17V
Reg
nd
2
5
5V 17V
6 6 6
M_On
RL On
5
17V
Audio
IC801
Multiple
Regulators
5
Error Relay
M_On
Det.
On
7
Microprocessor
IC1
4
Remote or Key Pad
Vs
Vs
9
Reg
M5V
M5V
7
Reg
Va
Va
8 8 7
Reg
Va
M5V
Y-SUS
7
8
10.9VFG
Reg
7
8 7
10.9V
At point 3 Floating Gnd
TV is in
Stand-By
state. It is
Energy Star
7
Compliant.
M5V
Less than 1
Watt
Va
8
MAIN
Board
STBY 5V
Power On
48
Vs
9 9 9
Vs Vs Vs
Z-SUS
18V
18V / M5V
Reg
7
7
18V / M5V
5VFG
Y DRIVE Upper
Reg
Y DRIVE Lower
5VFG
3.3V
7
Va
X Board X Board
Left Center
8
2
Front IR
4 Board
Remote Power Key
May 2011
CONTROL
3.3V
Reg
M5V
18V
7 7
7 5VFG
3.3V
7 7
Va
X Board
Right
8
Soft
Touch
Key Pad
Power Key
50PV450 Plasma