Read Sharp LC-20B5E (serv.man7) Service Manual online
20
LC-20B5E
9-3. Block diagram of card unit
MSP
DC/DC
con
v
e
rter
IC704
4V/6V
Reg
IC5409
3.3V/5V
D
A150
IC5201
A
udio DSP
Data b
us
5V/3.3V con
v
ersion
IC5401-IC5406
PCMCIA
Card
DM270
(IC5001)
Video DSP
DSP
1.5V
64M SDRAM
IC5006
1.5V
Reg
IC5004
DC/DC
con
v
e
rter
3.3V
Video decoder
(VPC) IC8801
LCD
controller
TVCPU
8 bit video
, CLK, H,
V (ITU-R 656)
8 bit video
, CLK, H,
V (ITU-R 656)
UA
R
T
4V/6V s
witching signal
ON/OFF
16 bit address
16 bit data
I
2
S (f
or recording)
I
2
S (f
or pla
ying)
PC card b
loc
k
Main
32M FLASH
IC5003
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