HCD-DZ260/DZ270/HDZ278
HCD-DZ260/DZ270/HDZ278
44
44
6-13. SCHEMATIC DIAGRAM – MAIN Board (6/9) –
• See page 63 for IC Block Diagram.
1.2
1.2
1.2
1.2
1.6
1.7
1.5
1.2
1.2
1.2
1.2
1.7
1.6
1.7
3.3
5
3
3
3
3
3
3
3.1
6
5
5
DZ260/HDZ278
DZ270/HDZ278
(HDZ278)
(DZ270)
(HDZ278)
DZ270/HDZ278
DZ260
3.3k
C4504
0.01
22
R4502
22
R4501
JL4511
JL4701
JL4702
JL4703
JL4705
JL4706
JL4707
JL4709
C4501
10
R4718
0
ASDATA2
ASDATA1
D-GND
C
D3.3V
Y/G
CB/B
WIDE
CR/R
RGBSEL
ABCK
ALRCK
ACLK
22
R4805
EMI
G
FL4501
0uH
D-GND
D-GND
CL100
ASDATA0
R4717
0
R4512
47
C4503
10V
100
JL471
1
+6V
47
R4516
47
R4515
47
R4510
47
R4514
33
R4511
ASDATA3
ASD0
BCKO
ASD2
ASD1
LRCKO
MCKO
ASD3
R4719
0
R4721
0
R4513 47
R4518
0
TC74LCX541FT(EKJ)
IC4502
JL4713
JL4718
JL4715
JL4716
JL4717
Y
JL4719
R4716
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
19P
CN4301
DMP-L
A-GND
DMP-R
+6V
AMP-V
D-GND
Y
D-GND
C
D-GND
Y/G
D-GND
Cb/B
D-GND
Cr/R
D-GND
WIDE
DSEL
/ I/P
SEL
RGB SEL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN4302
47uH
L4501
A5V
0.5%
R227
22k
CL216
0.5%
R221 1k
CL206
CL213
DMP_RXD
R214
0.5%
22k
CL210
CL202
C239
16V
47
CL214
0.5%
R222
39k
CL221
DMP_TXD
CL220
C231
1
CL218
0.5%
R208
22k
CL211
6.3V
C223
100
C227
1000p
R231
P_CONT2
CL208
1
2
3
4
5
DMP_DET
CL217
0.5%
R230
22k
CL203
C230
1
R215
0.5%
22k
CL219
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
18P
CN204
D-GND
VBUS(5V)
NC
VIDEO5V
RXD
TXD
DET
DGND
WM DET
WM A/D
(Lch)AGND
(Rch)AGND
Lch
Rch
WM RX
WM TX
VIDEO
VGND
0.1
C237
C222
0.1
C229
1
0.5%
R223
10k
CL207
R232
4.7k
0.5%
R228
22k
10V
C220
100
C240
0.1
C232
1
C241
0.1
CL215
CL201
10uH
L200
NJM4565M(TE2)
IC202
C221
0.1
0.5%
R203
22k
0.5%
R229
22k
CL209
CL212
R220
1k
50V
C238
22
IC4502
BUFFER
MAIN BOARD (6/9)
IC202
DMPOART AUDIO AMP
1Vrms=2.2dBm
+5V REG
1Vrms=2.2dBm
IC201
DMPOART
MEDIA PORT
WIDE
Cr/R
D-GND
D-GND
Cb/B
D-GND
Y/G
D-GND
C
D-GND
Y
D-GND
AMP-V
+6V
DMP-R
A-GND
DMP-L
4
6
G
B
E
2
7
9
H
10
3
1
C
5
8
D
A
DIGITAL
CN4303
15P
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299