Hitachi 37HLX99 Service Manual

CIRCUIT BLOCK DIAGRAM
TABLE OF CONTENTS
[4255HDS69]



X Sustain Circuit
Y Sustain Circuit
PDP Panel Module
Address Driver
Scan Drive
r

Driver Controller
LVDS Receiver Signal Controller
Data Controller
Logic Control
unit
Scan Drive
r

POD PWB
Speaker L
Vcego
Vsago
Swivel Stand
Speaker R
Woofer L
Woofer R
Remote
Control
LED PWB
IR
Receiver
LED
POD
Card
I/F
Side
Terminal
PWB
A/V
Control
PWB
Key SW
RGB
(LVDS)
CPUgo
PDPgo
Power2
Power1
Sub PWB
OPT-Audio
Output
A
/
V
SD/MMC
Card
I/F
RS-232C
Filter PWB
Main
Power SW
AC
Inlet
Demodulator
Video
SW
Digital/
Analog
Tuner
A/V
Pin Jack
Audio
SW
Power
Supply
Unit
Main-Digital PWB
Sub
Micro
Audio
DSP
Seine2
A-chip
Seine2
D-chip
HDMI PWB
Equalizer
DC-DC
(POD-Vcc)
PLD
(Oberon)
VCXO
PLL
PLD
(Stehano)


DC-DC
Conv.



Audio
DAC

Digital
Audio
Amplifier



DDR2
FAN FAN
(42” only)
(42” only)
53
DW2U

Hitachi 37HLX99 Specifications

General

Brand	Hitachi
Model	37HLX99
Category	Monitor
Language	English