LG RAD225B, Руководство по обслуживанию

Страница: 32 / 45

3-19
BLOCK DIAGRAMS
1. MAIN BLOCK DIAGRAM
ii
|
`
\
[
Z
r
}
G
y
m
R
Gz
l
y
}
v
Gk
z
w
G
P/UP
M
k
l
j
r
GG
t
l
j
o
h
u
pz
t
z
Z
W
\
Z
G
t
v
{
v
y
pj
GG
A
,B,C,D,
E,
F
PD
LD
CD_DIN_DOUT
CD_MCK/C D_R/W
BUSY; CD-16M SUBSYQ;
9543-RST;
|
z
i
Gj
v
u
z
k
y
h
t
G
m
s
h
z
o
Ol
h
u
\
^
W
Z
^
]
W
X
P
VFD
j
z
\
Z
[
]
h
k
j
O]
j
o
PG
G
AM
P
TA
S5612
DMA
[0..
11
],DB[0.
.1
5
]
DSCK#,CKE,CS0#,R
A
S
0
#
6
/
(
'
s
)
s
7
s
6
3
,1
'
/
(
s /2
$
'
s
TDO SLDO SPDO FDO
12MHZ
16.93MHZ
t
s
j
`
_
W
W
t
j
z
Gs
v
n
pj
G
5
(
6
(
7
0
8
7
(
POWER
I/F
3.7V
·
12V
}
m
k
Gk
y
p}
l
y
G
l
{
]
Z
X
\
h
|

DAT, CLK, RST, CE, INT
RST, WEN#,CE#
A[0.. 18], DB[0..15]
OP/CL
OP/CL LI MIT
CD-BCK/ LRCK/ DOUTA
DAC-MCLK
P-SENSE
t
pj
v
t
G
s
j
_
^
m
\
t
]
[
h
PWM PS9850
DO
STB
CLK
A
DC-CLK
A
DC-D
A
T
A
DC-RST
A
DC-D
A
TA
{
|
u
l
y
R/L
R/L
I2S CLK
DA
C-BCK/LRCK/MCLK
DA
C-D
A
TA
PWM-RST
PWM-CLK
PWM-DAT
PDN
SD; OTW
FL+ FL- FR+
FR-
D+/-
P-CTRL
R L
l
l
w
y
v
t
DAT
CLK
SPI-DO/DI/CLK/ CS
RMC
KEY
9.830
4MH
Z
32.766khz
New
PWM
SW
SW+ SW-