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3. BLOCK DIAGRAM and SCHEMATIC DIAGRAM
QQ
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3.1 BLOCK DIAGRAM
3.1.1 OVERALL BLOCK DIAGRAM
A
U301 VXF1022
ANT
TV FRONT-END
RF IN
RF
AOUT
VOUT
16
19
OUT
IC451 CXA2020M
L
MPX
Audio MPX
7
OUT
IN
Decoder
ATT WIDEBAND SPECTRAL
B
CN1301
CN705
F
(15P)
CIN2
6
FRJB
ASSY
JA1301
YIN2
4
Y
Y/C
C
JA1302
VIDEO
VIN2
8
L
LIN2
R
12
INPUT3
C
INPUT1
JA601
VIN1
VIDEO
VIN3
Y
Y/C
TE
L 13942296513
C
YIN1
L
R
YIN3
INPUT3
VIDEO
CIN1
Y
Y/C
CIN3
C
LIN1
L
LIN3
R
D
SPDL
MOTOR
Pickup
LD
DRIVE
E
PICKUP
ASSY
www
LOADING
M
MOTOR
STEPPIONG
F
M
MOTOR
6
1
http://www.xiaoyu163.com
2
TUNB
A
ASSY
UVV
17
3
CN401
CN301
(19P)
(19P)
UVL
UVL
21
LPF
7
7
CN451
CN402
(13P)
(13P)
(15P)
8
10
6
2
B
1/3F
JCKB ASSY(1/3)
CN101
(45P)
5
4
IC301
3
M30700FKLGP
2
Writer
CPU
A
33
B
34
C
35
D
36
S4
38
PB DVD/CD
7-10
S3
76
37
13-16
RF IC
S2
40
S1
39
IC101
UPC3330GC
CN501
(12P)
x
ao
6CH
Driver
.
i
CN502
IC501
BD7907FS
2
http://www.xiaoyu163.com
3
: Recording system signal route
UVV
19
2V
17
1V
15
3V
13
3Y
79
1Y
77
2Y
75
3C
7
1C
5
2C
3
LIN4
LIN2
LIN1
LIN3
Q Q
3
6 7
HDD
IC202
SDRAM
DSP
16Mbit
IC201
UPD63630GM
48
201
u163
y
DRIVE ASSY
DVR-420H-S
3
4
2 9
9 4
8
: Playback system signal route
Video Selector
Video Driver
IC701
LA73033(1/2)
V/Y
27
LPF
C
25
LPF
Audio Selector with Electirc ATT
IC601
LC75342M
11
13
L
14
5
12
CN4501
(40P)
1 3
1 5
0 5
8
2 9
[ATA]
[ATAPI]
1
8
DVD-VR
DVD-Video
CN4401
CN401
(40P)
(40P)
IC1401 ATA SDRAM
256Mbit
IC1421
C
F
MAIN ASSY
JCKB ASSY
B
2/3F
(2/3)
CN702
(1/2)
CN703
(2P)
2
m
2
CN201
(2P)
CD Digital
co
.
4
2 8
9 9
V/Y
C
9 4
2 8
9 9
IC1001
M65673WG
1 Chip
Sysytem Codec
IC1103
SRAM
4Mbit
×2
CPU SDRAM
Flash
64Mbit
128Mbit
IC1102
IC1101
CN3001
(1/2)
CD Digital
13
13
(21P)
(21P)
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