LG 42PJ350 Training Manual page 30

42PJ350 Signal and Voltage Distribution Block
5VFG (5V) measured
from Floating Ground
Y Drive
FPCs
15VFG (15V) measured
from Floating Ground
P201
P202 FG
Y-SUS Board
P203
FG
FPCs
FG
P204 FG5V
FG15V
18V
FG
VSC
-VY
P205
Scan
P206
P106
P211
Floating Gnd (FG)
Drive Signals, FG5V
Display Panel Horizontal
Electrodes Reset, Sustain
P233
P201 P202
SMPS TURN ON SEQUENCE
Step 1: RL_ON: 17V, 5V, AC_Det, Error Det,
Step 2: M_On: M5V, Va, Vs
Vs
P206
P811
P201
M5V, Vs, Va
Note:
Va not used
by Y-SUS only
fused and routed
to the X-Board
Logic Signals
To Y-SUS and Y-Drive
P101
18V / M5V
Note: 18V not used
by Control
P209
Va
RGB Logic
Signals
X-Board-Left
P203 P204 P205
Display Panel Vertical Address (Colored Cell Address)
SMPS OUTPUT VOLTAGES IN STBY
STB +5V
SMPS OUTPUT VOLTAGES IN RUN
STB5V, +5V, 17V to Main Board
Vs, Va and M5V to Y-SUS,
Error Com
SMPS
SMPS
Board
Turn On
Commands
SK101
P813
AC
Input
Filter
P121 P102
LVDS Video
P101
CONTROL
Display Enable
Board
P101
P161 P162
3.3V 3.3V
RGB Logic
Signals
Va
P211 P232 P331 P311
P211
P206 P301 P302
30
Vs
RL_ON +17V, +5V, AC Det
M_On
M5V, Va, Vs
18V / M5V
Stand By:
STB +5
Run:
AC Det +5, 17V
P301 P703
MAIN Board
P704
3.3V
P801
STBY
IR,
Intelligent Sensor
P100
X-Board-Right
P331
P303 P304
August 2010 42PJ350
Display Panel
Horizontal
Electrodes
Sustain
FPCs
P2
P4
Z-SUS
Board
Z Drive Control
P1 Signals
P3
P2
Z-SUB
P1
Board
Speakers
FPCs
3.3V
Key Board
Pull Up
Soft Touch Keys
And Power Button
P101
P305 P306
Plasma