HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
45
45
6-17. SCHEMATIC DIAGRAM - MAIN Board (10/12) -
• See page 65 for IC Block Diagrams.
2.9
2.9
2.9
2.9
2.9
2.9
4.9
5
5
6
3.1
R221
1k
10V
C220
100
R215
22k
R208
22k
R203
22k
R214
22k
R220
1k
C222
0.1
R223
10k
C227
1000p
6.3V
C223
100
1
2
3
4
5
C221 0.1
R222
39k
CL201
CL202
CL203
CL206
CL207
CL208
CL211
CL212
CL215
CL216
CL217
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
8765
4
3
2
1
NJM4565M(TE2)
IC202
R227
22k
R228
22k
R229
22k
R230
22k
0.1
C237
R231
3.3k
R232
4.7k
C240
0.1
C241
0.1
10uH
L200
C231
1
C232
1
C229
1
C230
1
P_CONT2
D-GND
+6V
A5V
D-GND
DMP_TXD
DMP_RXD
DMP_R
DMP_DET
DMP_V
CL213
CL214
CL218
CL219
CL220
CL221
C239
16V
47
50V
C238
22
IC201
+5V REGULATOR
IC202
LINE AMP
MAIN BOARD (10/12)
DMPORT
7
D
B
6
5
3
1
C
E
8
4
A
2
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
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299