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Schematic Diagram - Sanyo DC-AS1600DX Service Manual

Dvd micro hi-fi system

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SCHEMATIC DIAGRAM ( MCU 1 )
+12V
R18
33R/0.5W
Q207
C215
+
+
104
R223
10K
TUNER_P
R227
CN201
18X1.0mm/DIP
RMAIN-OUT
1
DVD_R
2
LMAIN-OUT
3
DVD_L
4
C-B-U_OUT
5
C-B-U_OUT
G-Y_OUT
6
G-Y_OUT
Y-R-V_OUT
7
Y-R-V_OUT
8
CVBS_OUT
9
CVBS_OUT
10
AUDIO/TV/16:9
11
AUDIO/TV/16:9
SCART_SWITCH
12
SCART_SWITCH 2
DVD_RESET
13
TD_MCU
14
RD_MCU
15
16
OPTICAL_SPDIF
17
OPTICAL_SPDIF 2
18
VGND
AGND
CN205
DVD_+5V
1
2
DVD_+5V
3
4
+12V
JP24
2R2
5
C204
NC
104
C205
104
DVD INTERFACE
PGND
FOR MCU ON-BOARD PROGRAMMING
MCU3V3
JP201
JP202
+
C221
JP203
DGND
10uF/16V
JP204
VFD_GND
R236
100K
AGND
PGND
VGND
DGND
KEY_AD0
KEY_AD1
KEY_AD2
KEY_AD3
L201
10uH
R115 0R
R224
1K
+
Q208
8050
2
TUNER_R
1K
2
TUNER_L
BD201
EXC3BP121
match Pana's AN18202A
and Sanyo LC72131/PT9257
2
2
C210
2
30P
2
2
MCU_RST
2
TDO
TCLK
2
DMOD
+
C216 30pF
1
VSS
XT201
2
OSC2
10MHz
C217 30pF
3
OSC1
C218 30pF
4
XI
XT202
32.768KHz
5
XO
C219 30pF
DGND
6
MMOD
R229
47K
MCU_RST
7
NRST
MCU3V3
C220
8
VDD18
1uF
9
VDD33
R233
4K7
10
OSCMOD
Q209
8050
11
Vref+
D201
1N4148
12
AN0
MCU3V3
R301
NC
R302
NC
R303
10K
R304
10K
DGND
- 8 -
CN202
11X1.25mm
RDS_DATA
11
RDS_CLK
R209
10
TUNER_+9V
MT_OPEN
9
TUNER_R
8
7
TUNER_L
6
PORT_SEL
R208
5
MT_CLOSE
SCL
R206
0R
4
SDA
R207
0R
3
ST_IND
2
TUNED
1
R17
MCU3V3
R220
10K
C211
30P
CN207
6X1.5mm
1
2
3
4
5
6
DGND
36
DMOD
35
P36/CLKOUT
R225
34
P35/NBUZZER
R226
33
P34/BUZZER
R228
32
P33
IC201
31
P32
MNBCF91DTB1
R230
30
P31
R231
29
P30
28
P23/IRQ3
R234
27
P22/IRQ2
R235
26
P21/IRQ1
R310
25
P20/IRQO
DGND
R311
R238
100R
R239
100R
C228
C229
101
101
R246
1k
ST_P
DGND
SRS
2
ADJ1
ADJ2
R247
1K
MUTE2
R248
NC
SD
IC1
TA7291S
R203
1K
R2
R202
1K
1K
Q3
8050
ZD1
4V3
C2
+
1K
ZD4
5V1
104
CN206
2X13X2.5mm
2
AMP_ROUT
1
26
AGND
2
25
KEY_AD0
3
24
DVD_+5V
DVD_+5V
4
23
DVD_+5V
5
22
ALL/VCC_CTRL
6
21
KEY_AD2
7
20
+12V
8
19
T_SCLK
T_SCLK
9
18
T_SDA
T_SDA
10
17
P
G
N
D
11
16
VFD_AC4V-
12
15
VFD_GND
13
14
AMPLIFIER DEVICE INTERFACE
R287 10K
Q205 8050
R211 1K
R210
1K
DMOD
T_SCLK
6311_DATA
100R
MCU_+5V
100R
6311_CLK
6311_STB
100R
DISPLAY BOARD INTERFACE
TUNER_P
100R
TUNED
ST_IND
100R
T_SDA
100R
RDS_CLK
RDS_DATA
100R
10K
IR
BD202
22K
MCU3V3
MCU_+5V
C227 104
EXC3BP121
U202
24CL02/SOP8
8
1
VCC
A0
7
2
WP
A1
6
3
SCL
A2
5
4
SDA
GND
R3
100R
DGND
SDA
2
R4
100R
SCL
2
- 9 -
CN101
CL_DET
CL_SW
R204
100R
5
CL_SW
4
GND
OP_DET
R205
100R
OP_SW
3
OP_SW
2
M+
1
M-
0R
C203 104
5X2.0mm
PGND
0R
R5
0R
FB2
0R
VCC 9V
C1
100uF/16V
AMP_LOUT
2
AGND
VCC 9V
S_MUTE
DVD/VCC_CTRL
MUTE
KEY_AD1
MCU_+5V
ADJ2
ADJ1
P
G
N
D
VFD_AC4V+
-28V
CN204
11X2.0mm
R286
150R
POWER_LED
Q212
11
KEY_AD3
10
8550
IR
9
VFD_AC4V+
8
VFD_AC4V-
7
-28V
6
5
DISPLAY_+5V
4
6311_DATA
3
6311_CLK
2
6311_STB
+
C208
C209
1
104
104
VFD_GND
IC202
MCU3V3
1117_3.3V
C226
+
+
+
C224
104
470uF/10V
DGND

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