Service manual

CD-SW250DVD
4 – 4
Figure 4-3 BLOCK DIAGRAM (3/3)
Y/G IN
D_GND
Y/G OUT
+5V
CNPC1
VIDEO SIGNAL
1,14,18,21,22, 24,28,34,53,71, 90,102,103,113, 129,145,152,156, 158,170,178,193
DGND
13,20,26,
30,192
A3.3V
7,23,36,65,77,
97,101,104,121,
153,164
D1.8V
D3.3V
D3.3V
IC3205
IC3204
157
42
24
54MHz
XL3002
92,160
85
TO DVS PWB
D3.3V
DGND
D_OUT
CN3007
CN3011
CNSC1
D/A
CONVERTER
AK4384
IC3301
14
7,17,20,
22,26,27,
29,32
5
,
3
AGND
TO DVS PWB
RXD
TXD
VGND
DGND
Pr/R
Pb/B
Y/G
Y/G IN
Y/G OUT
Y_OUT
C_OUT
COMP_OUT
CN3009
A3.3V
RF5V
FROM DISPLAY PWB
168
107
169
93
94
95
VMUTE
AMUTE
RESET
DVD_CS
SYS_DATA
DVD_DATA
DVD_CLK
DGND
6,12,28,41,
46,52,54
DGND
1,3,9,14,
27,43,49
D3.3V
64M SD-RAM
IC42S16400
IC3206
SDADD10
SDADD(0-3)
DQMH SDCLK SDCSB SDRASB SDCASB SDWEB DQML
SDATA(0-15)
A5V
A5V
AGND
13
10,11
83
86
82
81
4
3
2
1
LRCK
SDTI
BICK
MCLK
27,46
37
DGND
D3.3V
RDATA(0-15) RADD(0-19)
FLASH ROM
EN29LV800E
IC3202
SINGLE CHIP LSI
FOR DVD
CONTROL PWB
LC74230HNW
IC3201
3
1
2
9
8
7
6
5
4
3
2
1
1
2
3
4
1
2
4
3
5
6
7
8
1
2
3
4
QC1
QC2
QC3
TC7SHU04FU
TC7SHU04FU
INVERTER
(UN-BUFFER)
INVERTER
(UN-BUFFER)
erial No. to 50400100)
LC74231W-1
e
rial No. from 50500201~)