LG 42PW350 - 42 PW350 Signal and Voltage Distribution Block; SMPS Turn On Sequence; Voltage Distribution Overview

3.3V
P106
P204
P205
P206
P201
P202
P203
42PW350 Signal and Voltage Distribution Block
Display Panel Horizontal
Electrodes, Sustain
Y-SUS Board
P101
P811
P813
SK101
STB +5V
SMPS
Turn On
Commands
SMPS
Board
AC
Input
Filter
P6
SMPS OUTPUT VOLTAGES IN STBY
Stand By:
STB +5
Logic Signals
To Y-SUS and
Y-Drive
P1401
P700
MAIN Board
Speakers
X-Board-Right
P201 P202 P203 P204
P206
P301 P302 P303 P306
RGB Logic
Signals
RGB Logic
Signals
CONTROL
Board
Y Drive
Z-SUS
Board
P107
P211 P232
P331 P311
Display Panel Vertical Address (Colored Cell Address)
Display Panel
Horizontal
Electrodes
Sustain
18V / M5V
RL_ON
M_On
STB5V, +5V, 17V to Main Board
VS, VA and M5V to Z-SUS.
SMPS OUTPUT VOLTAGES IN RUN
18V / M5V
Z Drive Control Signals
FPCs
FPCs
3.3V
STBY
P22
P206
Note:
Va not used
by Z-SUS only fused and
routed to Z-SUB then to
X-Board R
P2
P4
P105
Note: 18V not used
by Control
LVDS
Va
FPCs
FPCs
FG5V (5V), FG15V (15V)
Measured from
Floating Ground
+17V, +5V, AC Det
M5V, VA, VS
Display Enable
Video
Step 1: RL_ON: 17V, 5V, AC_Det, Error Det,
Step 2: M_On: M5V, Va, Vs
P302
Z-SUB
Board
3.3V
P213
FG5V
FG15V
18V
SMPS TURN ON SEQUENCE
P501
57 June 2011 42PW350 Plasma
Floating Gnd (FG)
Drive Signals, FG5V
P108
P205
P304
Error Com
Run:
AC Det
+5, 17V
VS
M5V
P305
P2
P102
P212
P101
P213
FG5VFG5V
FGFG
FGFG
ScanScan
Data Data
Voltages
Developed on the
Y-SUS
VSC
-VY
When M5V arrives
When VS arrives
P7
VS, VA, M5V
P902
FT. IR / Keys
P1404
Motion
Remote
P201
P202
VA
P3
P103
P101
3.3V
3D
Transmitter
3.3V
VA
TCP
3.3V
VA
TCP
3.3V
VA
TCP
3.3V
VA
TCP
3.3V
VA
TCP
3.3V
VA
TCP
3.3V
VA
TCP
3.3V
VA
TCP
3.3V
VA
TCP
3.3V
VA
TCP
3.3V
VA
TCP
3.3V
VA
TCP
P312
P100
X-Board-Left
FPC: Flexible Printed Circuits
TCP: Taped Carrier Package
VS
M5V
M5V: Monitor 5V
VA: Voltage for Address
VS: Voltage for Sustain
Switch Mode Power Supply