Emerson CR202EM8, Руководство по обслуживанию

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7-4 P7151BLDTV
IC101
(DTV SIGNAL PR
OCESS)
IC252 (A
UDIO D/A CONVER
TER)
IC202
(FLASH MEMOR
Y)
ADC /A
GC I/F
DIGIT
A
L SIGNAL
PR
OCESS
SYSTEM DECODER /VIDEO DECODER /VIDEO FORMA
T
CONVER
TER
/2D GRAPHICS
TU11 (TUNER UNIT)
DIF-OUT1
CN902
CN102
LPF
DIF-OUT2
DIF-A
GC
SD
A
SCL
XIN-27MHz XOUT
-27MHz
DTV MODULE CB
A UNIT
MAIN CB
A
VIDEO SIGNAL
11
11
DIF-OUT1
12
12
DIF-OUT2
99
DIF-A
GC
18
18
DTV
-Y
19
19
DTV
-Cr
20
20
DTV
-Cb
15
15
DTV
-A
UDIO(L)
16
16
DTV
-A
UDIO(R)
10 11
8
174 178
182 187 186 159 158 162 161
6 5
15 14
7 8
156 144 143
140
27MHz OSC
X271
14
41
15
XIN-25MHz XOUT
-25MHz
25MHz OSC
X281
4 5
VIDEO ENCODER A
UDIO
DECODER
A
UDIO
D/A CONVER
TER
SDRAM I/F FLASH MEMOR
Y
I/F
IC201
(DDR SDRAM)
22
DTV
-SPDIF
14
14
SD
A
15
15
SCL
4 5
55
TU-SD
A
44
TU-SCL
CN902
L-CH R-CH
SD
A
SCL
B
US-CONT
*1
*1
79~81,85,87,89~91,92,94,96~98,
102,104,106
*2
*2
55,56,58,60,61,116,119,120,124,
125,127,129,130
*3
*3
1,2,7~12,20,206,209,211,213~216,
*4
*4
23~25,27,29,32~36,41~44,47,48,50,
52~54,205
*5
*5
1~9,16~25,48
*6
*6
29~36,38~45
*7
*7
28~32,35~42
*8
*8
2,4,5,7,8,10,11,13,54,56,57,59,60,
62,63,65
T
O
A
U
DIO
BLOCK DIA
GRAM
T
O
SYSTEM
CONTR
O
L
BLOCK DIA
GRAM
CN901
CN101
BUFFER
Q243
BUFFER
Q245
BUFFER
Q244
BUFFER
Q251
SD
A
SCL
DATA BUS(0-15) ADDRESS BUS(0-12) DATA BUS(0-15) ADDRESS BUS(1-20)
CN102
DDR SDRAM FLASH MEMOR
Y
SW
SW
DTV
-SPDIF
DTV
-A
UDIO(L)
DTV
-A
UDIO(R)
DTV
-Cb
DTV
-Cr
DTV
-Y
Q211
Q212
Q213
Q214
AUDIO SIGNAL
TO IF/VIDEO BLOCK DIA
GRAM
IF SIGNAL
DTV Module Block Diagram