Zenith DVB352, Service Manual

Page: 37 / 71

3-27
4. MPEG & MEMORY Block Diagram
IC503
SDRA
M
16
M
IC505
EEPRO
M
IIC
501 (MPEG +
DSP )
MT1379
IC5A
1
FLASH MEMORY
(8 M
)
IC510
(74HCT244
)
Voltage level shift
VIDEO
Int
e
rface
AUDIO
Int
erface
RF IC
Int
erface
FRONT
MI
CO
M
In
te
rfa
c
e
(F
R
O
N
T
B
O
A
R
D
)
IC502
SDRA
M
16
M
RFOP,RFON,HTRC,RFRP,RFL
DCLK,WE,CAS,RAS
CS,DCKE,MA[0:10]
DQM0,DQM1
DQ[0:15]
DQM2,DQM3
DQ[16:31]
X501
27
M
H
z
SCL,SDA
Y2(Y),Y3(Color) Y4(Y),Y5(Cb),Y6(Cr) ASPECT(16:9)
FEO,CSO,TEO,ADIN,BDO SDATA,SDEN,SCLK,URST FMSO,DMSO V1P4,V2P8 TROPEN,TRSO,FOSO
ACLK,ALRCK,ABCK MUTE,VSCK,VSD
A
ASDTA[0:3]
ASTB,SCL,SDA
ASPDIF
PWR,PCE,PRD
A[0:19]
AD[0:7]
VFD_SCK
VFD_TXD
M_REQ
SCKO,TXDO,M-REQ
URST,S_REQ
VFD_RXD
DM7000'S