Read Sony CX-LFA880 Service Manual online
13
13
CX-LFA880
CX-LFA880
1-3. BLOCK DIAGRAM — MPEG SECTION-2 —
MPEG1
SECTION
E
AUDIO
SECTION
B
MPEG1
SECTION
J
PANEL POWER
SECTION
F
MPEG1
SECTION
G
MPEG1
SECTION
H
MPEG1
SECTION
I
: VIDEO
: DVD(AUDIO)
• Signal Path
• R-CH is omitted due to same as L-CH
: CHROMA
: COMPONENT VIDEO
: Y
: DVD(RF)
: DVD(DIGITAL)
: R,G,B
UD705
VIDEO DAC ENCODER
UD706
DRAM
UD708
EEPROM
UD707
FLASH MEMORY
169
CVBS/C/Y
SSCRRO/CPCIO11
MEMDAO
7
105
MEMWR
129
MEMRD
128
11 28
MFWOS2
SCDVD
HA0-12
HA0-7
123
MEMAD13
MEMAD19
SSCRRO/CPCIO10
8
ATDA2
34
201
IECTDI
ATDD4-11
ATDD11
19
9
14
16
18
16
18
ATDD13
20
SSCRXD/GPCI08
DSSTB
MRST
DSCK
DSDA
49
SSCRXD/GPCI09
51
ATDD12
21
ATDD2
170
CVBS/C
172
V/R/Y
173
C/B/V
Y/G/CVBS
VIDEO1
V/R/Y
C/B/V
SI-SW
S-VIDEO/RGB-SW
FS1
+5V
M-FS2
200
IECTDO
198
ICE TCK
194
LLCFGP
193
LLCFGA
177
GPCIO18
181
SPDIF/AOUT3
190
AB CLK
188
ALR CLK
184
AOUT O
179
AMCLK
46
GPC106
45
GPC105
203
JTMS/CPCIO47
RD
WR
CPCIO16
196
CPCIO17
195
BEO1
147-150,152
154,155
115,118,120,
122,106,108,
110,112
53-55,57-60,
62-64,67
20-24,
27-32
3-1,48,
17,16,9
30,32,34,36,
39,41,43,45
131,133-138
140,142-146
140,142-146
RAMADD0
RAMADD11
RAMBA0
MEMDA8
MEMDA15
MEMAD0
MEMAD12
MEMDA0
MEMDA7
A0
A12
DO8
DO14
A13
WE
12
RST
OE
A19
DO0
SDA
SCL
DO7
105,107,109,
111,113,
117,119,121
4-8,
18-25
29,31,33,35,
38,40,42,44
HA0-12
HA0-7
DATA& ADDRESS BUS
5
6
INTDET
LSI RST
RDY
SPD FG
AMCLK
CD DATA
BCK
LRCK
C2F
DCLK
DBGN
DFFR
DACK
DRFO
22
ATDD1
23
ATDA1
36
ATDA0
37
ATCS1
38
ATCS0
39
AMCLK
179
GPCI07
47
ATIORD
31
GPCIO1
41
GPCIO14
4
68
19
RAMBA1
66
PCLK
78
RASWE
75
RASCAS
74
RAMRAS
72
RADOM
A11
A0-A10
80,82,84,86,87,89,
90,92,93,95,96,98,
90,92,93,95,96,98,
99,101,102,104
2,3,5,6,8,9,11,
12,39,40,42,43,
45,46,48,49
RAMDAT0-15
D0-D15
CS
CLK
WE
CAS
RAS
LDOM
UDOM
76
QD707,710
BLANKOUT CONTROL
QD706
BLANKOUT CONTROL
QD705
SWITCH
Q852
INVERTER
Q853,854
SWITCH
Q856
SW
CONTROL
Q851,855
BLANKOUT
SWITCH
SCK
16
2
ML
15
MC
14
MD
13
DATA
3
LRCK
1
BCK
VOUTL
U704
AUDIO DAC
8
7
VOUTR
R-CH
DOUT
VIN3
5
4
5
6
3
2
1
VIN2
3
PWR SAVE
7
VOUT3
U852
VIDEO AMP DRIVER
JK801
Y
C
S801
RGB(AEP)
Y/Cb/Cr(EXCEPT AEP)
JK802
9
VSAG 8
VIN
4
VOUT
U710
VIDEO AMP
U851
VIDEO AMP DRIVER
2
VSAG 3
VIN3
5
VIN2
3
VIN1
1
OUT2
VOUT
11
OUT1 13
VSAG
CROUT
CBOUT
CYOUT
JK803
JK803
R
G
B
VOUT
BLAK
SW
(EXCEPT AEP)
AEP
Y
CROUT
CYOUT
CBOUT
VOUT
8
VOUT3 9
PWR SAVE 7
VOUT2 11
SEL
2
VIN2
3
VIN1
1
2
1
UD701
BUFFER
UD709
BUFFER
JK101
TX
VOUT 7
18 35 15 16 17 14 36
PB/CB
PR/CR
VIDEO OUT
VOUT
DIGITAL OUT
OPTICAL
S VIDEO OUT
15
11
7
19
16
8
6
2
3
5
1
2
4
6
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