Digital Video Assy - Pioneer pdp-433cmx Service Manual

1
A

3.1.3 DIGITAL VIDEO ASSY

RGB ASSY
B
IC5301
(PD6357)
IC30
C
MAX_PLS1
MAX_PLS2
IC5505
(M30624FGAGP)
Main
Microcomputer
D
E
F
36
1
2
DIGITAL VIDEO ASSY
3.3V
RGB 2 phase 10 bit
Line
Buffer
VD
HD
DE
CLK
Reflesh-rate
Det.
HD
VD
RESET
AND
RXDO
REM
PM_ST
Reset IC
PN_MUTE
CN1201
EXT_RXD
DITHER EXD RXD
MOD_SW
EXT_TXD
EXD TXD
POWER
RXDO
TXDO
REQ_MD TXDO
WE_PN
RESET
2
3
3.3V
2.5V
IC1301 (IC31 L)
(PD6358)
DRAM
IC1401 (IC31 R)
(PD6358)
Address BUS
DRAM
Data BUS
Control Signal
3.3V 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
IC1207
(M30624FGAFP)
Module Microcomputer
AC_OFF
PD_TRIGGER
Reset IC
THERMAL
SENSOR
Assy
PDP-433CMX
3
Address Data
Address Data
Sustain
Control
Address
Resonance
Control
PC_VIDEO
RESONANCE
ADR_K_EMG
5V
Assy
OR
AND
Panel W/B ADJ.
Hour/Pulse meter
pn
STB5V
STB5V
5V 3.3V
EEP
IIC BUS
ROM
DC/DC
DCC_PD
Converter
5V
Block
OR
SW POWER SUPPLY Module
4
ADR CONNECT A - D
Assy (Left section)
ADR CONNECT A - D
Assy (Right section)
Y DRIVE Assy
X DRIVE Assy
2.5V STB5V
4