Hitachi 32PD5000 Service Manual page 54

LED
TACT SW PWB LED/RECEIVER PWB
RGB2
Audio IN
RGB1
SW
Audio IN
CPU
Main
CPU
Sub
RGB2
D-sub 15
FC4
RGB1
TMDS
DVI-D
LVDS
Transmitter
FORMATTER UNIT
<IH101> SI-8050JF
A +6V
+6V Reg.
MAIN L/R
SI-3033C
<IF06>
MAIN Y/P /P D+3.3V
B R
D+3.3V Reg.
SUB Y/P /P
B R
MAIN HD/VD
SUB HD/VD
SI-3033C
<IF07>
D+3.3V Reg.
<IF08> SI-3018KM
D+1.8V
D+1.8V Reg.
JOINT PWB
PW1 CHASSIS CIRCUIT BLOCK DIAGRAM
32PD5000/42PD5000
SPRL Y
IR
LED OFF
MUTE
BU4052
SCL2 <I403>
TRUBASS CONT.
SDA2
NJW1136 NJM2192AM
<IC401> <IC402>
Lch IN
MASTER VOL.
BALANCE TRUBASS
BASS
TREBLE CONT.
Rch IN
SURR.ON/OFF
+12V +12V
X Sustain
Circuit
X-SUS.
Board
Address Driver
LVDS Receiver
Signal Controller
PDP PANEL MODULE
+30V
+12V
+10V
Reg. SW Reg.
+5V
+5V VCC
RELAY
SW
SW Reg.
STBY+5V
STBY+5V
Reg.
STBY+3.3V
STBY+3.3V
CPU
for P.S.U.
POWER SUPPLY UNIT
(Secondary)
54
LED OFF
DTC.
RELAY DRIVE
MUTE DRIVE
TA2021B
<IC404>
SP OUT Lch
MUTE
RELA Y
DIGITAL
POWER AMP
SP OUT Rch
MUTE RELA Y
+12V AUDIO PWB
Y Sustain
Circuit
Y-SUS.
Board
Data Controller Driver Controller
LOGIC Board
Vs ( =70+10xVva )
Va(=30+20xVrs)
SW Reg. SW.Reg.
Vs Va
AC INLET
FILTER PWB
WITH
PFC
NOISE
FILTER
SW PWB
(Primary)