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A
SCHEMATIC DIAGRAMS-3
1
to NAAR-7224
P471B
to NAAR-7224(1/2)
2
XRESET
S[M_TO_M
S[F_TO_M]
SSCK
to DVD MAIN BOARD
CN501
XREADY
GND1
XCSVQE5
VQESCK
VQESSO
XCSVQE
3
AV1HSYNC
AV1VSYNC
XVQERST
GND2
GND3
AV1CLK
DND4
GND5
SCL0
SDA0
P/XN
P/X1
VSEL1
LETTER
SQUEEZE
VSEL2
GND6
4
EVER+5V
5
for UPGRADE FIRMWARE
B
NAAF-7225
PHONES
LEVEL
R471
2
100
3
L471-L476
BK1608LM182-T
P471A
L471
GND
L472
+B
L473
-B
L474
Lch
L475
3
GND
L476
Rch
R472 100
2
SW+5V
V+3V
GND
XVQFRST
P/XN
CN601
LT
LT1
1
XRESET
2
R101
TXD
TXD
3
0
SI
4
R102
RXD
RXD
5
0
SO
6
R103
DTR
DTR
7
0
SCK
8
R104
R133
CTS
CTS
9
0
XRADY
10
R135
11
12
R137
13
14
R139
15
R109
PD7
PD7
16
R110
0
PD6
PD6
17
0
R111
PD5
PD5
18
R112
0
PD4
PD4
19
0
R113
PD3
PD3
20
R114
0
PD2
PD2
21
0
R115
PD1
PD1
22
R116
0
PD0
PD0
23
0
R117
HSYNC
24
R118
0
VSYNC
25
0
R119
XVOFRSI
26
R120
0
27
10K
28
R121
AV1CLK
29
0
30
C104470
31
R122
SCL1
32
R123
0
SDA0
33
R124
0
P/XN
34
0
R125
P/X1
35
R126
0
VSEL1
36
0
R127
LETTER
37
R128
0
SQUEEZE
38
0
R129
VSEL2
39
0
40
P353
NO Use
NC
IC
XRESET
SCK
SCK
SI
SI
SO
SO
for FL Micon DL
GND
P351
TXD
TXD 1
RXD
RXD 2
DTR
DTR 3
CIS
CTS 4
V+5D 5
GNDD 6
NC 7
R479
PHONES JACK
U10
33K
PC BOARD
R481 470
L477-L479
1
R483 470
BK1608LM182-T
Q471
R484 470
8
L477
NJM4650D-D
L478
L479
PHONES
R486
470
Q471
4
R484 470
R482 470
1
R480
33K
R132
1
P0
0
2
P1
R134
0
3
P2
0
4
P3
R136
0
5
P4
0
6
P5
R138
0
7
P6
Q 102
0
8
P7
A DV 7190 KST
0
9
P8
10
P9
11
P10
12
P11
13
P12
14
P13
15
P14
16
P15
DV-S757
C
NA AR- 7224( 2/ 2)
OUTPUT TERMINAL
U9
PC BOARD
P472
R151
10K
RSET1
48
C112 104Z
VREF 47
COMP1 46
DAC_A 45
DAC_B 44
C114
VAA5 43
AGND6 42
104Z
DAC_C 41
DAC_D 40
C115
AGND5 39
VAA4 38
104Z
DAC_E 37
DAC_F 36
C116
COMP2 35
104Z
RSET2 34
AGND4 33
EVER+5V
GND
+B
GND
-B
SW+5V
VC OFF
to NAAR-7224(1/2)
D
R177
0
R185
0
AD-V
R181
AD-YS
0
AD-C
AD-Y/D
AD-CB/B
AD-CR/R
R189
0
R194
0
R197
0
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