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PW1 CHASSIS CIRCUIT BLOCK DIAGRAM
TACT SW PWB
RGB2
Audio IN
RGB1
SW
Audio IN
RGB2
D-sub 15
RGB1
TMDS
DVI-D
LVDS
Transmitter
A+6V
MAIN L/R
MAIN Y/P
/P
D+3.3V
B
R
SUB Y/P
/P
B
R
MAIN HD/VD
SUB HD/VD
D+1.8V
SPRLY
LED
IR
LED OFF
MUTE
LED/RECEIVER PWB
SCL2
SDA2
Lch IN
Rch IN
CPU
Main
CPU
Sub
X Sustain
Circuit
FC4
X-SUS.
Board
FORMATTER PWB
PDP PANEL MODULE
<IH101> SI-8050JF
+30V
+6V Reg.
+12V
+10V
SI-3033C
<IF06>
+5V
D+3.3V Reg.
SI-3033C
<IF07>
D+3.3V Reg.
<IF08> SI-3018KM
STBY+5V
D+1.8V Reg.
STBY+3.3V
JOINT PWB
Note:There is no DVI-D terminal in 42PMA300EZ
BU4052
<I403>
TRUBASS CONT.
<IC401>
NJW1136
<IC402>
NJM2192AM
MASTER VOL.
MUTE
BALANCE
TRUBASS
BASS
TREBLE CONT.
SURR.ON/OFF
MUTE
+12V
+12V
Address Driver
LVDS Receiver
Data Controller
Signal Controller
Reg.
SW Reg.
SW Reg.
+5V
VCC
RELAY
SW
SW Reg.
PFC
STBY+5V
Reg.
STBY+3.3V
CPU
for P.S.U.
POWER SUPPLY UNIT
(Secondary)
LED OFF
DTC.
RELAY DRIVE
MUTE DRIVE
<IC404>
TA2021B
SP OUT Lch
RELAY
DIGITAL
POWER AMP
SP OUT Rch
RELAY
+12V
AUDIO PWB
Y Sustain
Circuit
Y-SUS.
Board
Driver Controller
LOGIC Board
Vs(=70+10xVva)
Va(=30+20xVrs)
SW.Reg.
Vs
Va
AC INLET
FILTER PWB
WITH
NOISE
FILTER
SW PWB
(Primary)
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