Hitachi CMP5000WXJ Service Manual page 30

1
3.1.3 DIGITAL VIDEO ASSY
A
RGB ASSY
RGB 2 phase 10 bit
IC5301
(PD6357)
IC30
B
PN_MUTE
MAX_PLS1
DITHER
MOD_SW
POWER
MAX_PLS2
IC5505
(M30624FGAGP)
Main
REQ_MD
Microcomputer
C
D
30
1
2
DIGITAL VIDEO ASSY
3.3V
Line
Buffer
VD
HD
3.3V
DE
CLK
Reflesh-rate
Det.
HD
VD
RESET
AND
RXDO
REM
PM_ST
Reset IC
CN1201
EXT_RXD
EXD RXD
EXT_TXD
EXD TXD
RXDO
TXDO
TXDO
WE_PN
RESET
Reset IC
2
3
3.3V
2.5V
IC1301 (IC31 L)
(PD6358)
DRAM
IC1401 (IC31 R)
(PD6358)
Address BUS
DRAM
Data BUS
Control Signal
3.3V
IC1191
IC1703 (IC23)
Flash ROM
(PE5064)
3.3V
IC1101
(HD64F2328VF)
Panel Microcomputer
RXD
BUSY
REQ_PU
5.0V → 3.3V 3.3V → 5.0V
STB5V
IC1207
(M30624FGAFP)
Module Microcomputer
AC_OFF
PD_TRIGGER
THERMAL
SENSOR
Assy
3
Address Data
ADR CONNECT A - D
Address Data
ADR CONNECT A - D
Y DRIVE Assy
Sustain
Control
Address
Resonance
X DRIVE Assy
Control
PC_VIDEO
RESONANCE
ADR_K_EMG
5V
Assy
OR
AND
Panel W/B ADJ.
Hour/Pulse meter
pn
STB5V
5V 3.3V
EEP
IIC BUS
ROM
DC/DC
DCC_PD
Converter
5V
Block
OR
SW POWER SUPPLY Module
4
Assy (Left section)
Assy (Right section)
2.5V STB5V
4