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DSX-A100U/A102U
DSX-A100U/A102U
17
17
4-3. SCHEMATIC DIAGRAM - MAIN Section (3/3) -
Note: IC001 on the MAIN board cannot replace with single. When
this part is damaged, replace the complete mounted board.
• See page 20 for IC Block Diagrams.
13.9
3.4
3.4
6.2
14.1
3.4
14.1
3.4
10.4
1.4
6.2
1.4
5
7.1
3.4
14.1
3.7
3.7
3.7
3.7
3.7
3.7
3.7
14.1
7.1
7.1
7.1
7.1
7.1
7.1
7.1
0.1 (0.9)
0.1 (1.2)
3
0.1
1.6
2.9
0.1
1.6
3
3.3
3.3
2.7
1.4 (1.6)
1.3 (1.6)
1.3 (1.6)
3.3
3.3
5
5
0
0.1
13.9
0.1
10.4
5.1
5
5
10.4
1.5
2.2
5
5.1
5.1
5
5.1
5
5
0.1
13.9
0.1
0.1
0
0
6.6
0.1
0.1
6.6
0.1
0.1
3.3
0.7
47p
C318
0.1
C325
16V
3300
C350
16P
CN301
RR+
1
RL+
2
RR–
3
RL–
4
FR+
5
FL+
6
FR–
7
FL–
8
AMP_REM
9
10
ILL
11
12
ACC
13
TELL_ATT
14
VCC
15
GND
16
GS1GF
D1340
GS1GF
D301
GS1GF
D303
GS1GF
D302
GS1GF
D300
DZ2J18000L
D353
DZ2J07500L
D350
DZ2J18000L
D351
FB801
FB800
FB810
FB802
FB01
J01
J801
J401
JL202
JL203
JL201
JL200
JL204
JL305
JL304
JL303
JL302
JL301
JL300
JL206
JL205
JL306
0.82uH
L2
3.3uH
L5
SDP2014HN/V102
IC001
VDDA_IFADC
1
VSSA_IFADC
2
VBGP
3
FM_CAP
4
FM_IN_M
5
IC_1
1
11
IC_12
12
IC_13
13
I2S_WS
17
I2S_BCK
18
I2S_SD_1
19
IC_20
20
VSSD
21
SCL
25
AM_IN_P
9
AM_LNA_CAP
10
FM_IN_P
6
VDDA_RF
7
VSSA_RF
8
IC_14
14
IC_15
15
I2S_SD_0
16
VDDD
22
VSSD_IO
23
SDA
24
GPIO_2
26
GPIO_1
27
GPIO_0
28
DAC_R
29
DAC_L
30
VSS
31
XT
AL_IN
32
2SCR523EBTL
Q302
DTC014TEBTL
Q405
DTC014TEBTL
Q406
DTA014EEBTL
Q408
DTA014EEBTL
Q407
10k
R313
47k
R314
100
R1332
150
R315
47k
R316
220k
R300
47k
R309
10k
R16
10k
R31
1M
R4
100
R27
4.7k
R308
47k
R311
10k
R312
10k
R30
10k
R310
100
R14
100
R8
10k
R15
LV56841PVD-XH
IC201
1
TU5V
2
TU5V_F
3
USB6V
4
ILM_F
5
ILM_+B
6
CTRL2
7
VCC2
8
CTRL1
9
VCC1
10
GND
11
6VIN
12
VDD_3.3V
13
DSP3.3V
14
ANT
15
AMP_REM
PURE5001H-4WX
IC304
TA
B
1
PW_GND2
2
OUT2–
3
ST_BY
4
OUT2+
5
VCC_6
6
OUT1–
7
PW_GND1
8
OUT1+
9
SVR
10
IN1
11
IN2
12
S_GND
13
IN4
14
IN3
15
AC_GND
16
OUT3+
17
PW_GND3
18
OUT3–
19
VCC_20
20
OUT4+
21
MUTE
22
OUT4–
23
PW_GND4
24
HSD
25
BU33UC3WG-TR
IC002
VIN
1
GND
2
STBY
3
NC
4
VOUT
5
IC402
1
2
3
VEE
4
5
6
7
VCC
8
IC401
1
2
3
VEE
4
5
6
7
VCC
8
X1
DTC044EEBTL
Q300
DTC014EEBTL
Q301
2SCR523EBTL
Q304
LTC014YUBFS8TL
Q409
FB806
4.7uH
L10
10p
C8
0.0015
C16
0.001
C15
0.001
C31
CL016
CL015
220nH
L3
10
R437
R442
100k
R441
100
100k
R415
10k
R414
10
R427
0
R436
10
C418
10
C432
82k
R444
R439
12k
1
C410
220p
C409
12k
R412
100
R413
4.7
C407
680
R411
100
R402
0
R435
12k
R406
220p
C401
1
C400
100k
R403
10k
R401
10k
R408
10k
R407
4.7
C402
680
R404
10
C426
91k
R443
R421
0
33p
C5
0.001
C12
0.22
C11
4.7p
C4
18p
C2
0.1
C10
1
C13
4p
C6
1000p
C3
1
C30
1
C21
1
C20
10
C28
0
R19
220nH
L1
220nH
L6
FB1
0
R262
CL001
0
R263
CL002
47p
C25
47p
C24
25V
47
C450
22
R400
DA2J10100L
D400
16V
100
C260
16V
220
C1378
16V
C253
470
GS1GF
D200
16V
C210
220
10
C208
16V
100
C211
10
C209
16V
220
C251
10
C202
10
C201
10k
R213
1k
R214
33k
R212
0.001
C213
10
C200
0.001
C212
22k
R210
0.22
C204
0.22
C206
220
R361
220
R362
220
R363
220
R364
3k
R211
0.1
C1371
10
C307
47p
C1376
0
R1352
1
C312
1
C309
1
C316
1
C315
1
C310
1
C314
1
C313
1
C311
1
C317
1
C308
470
R1356
470
R1355
470
R1354
470
R1357
0.22
C305
0.22
C321
1
C326
DA2J10100L
D1302
1
C324
0.1
C300
1
C301
1k
R302
1k
R301
0.001
C1370
140uH
L300
VDR1
FL_N
FL_P
RL_N
RL_P
RR_P
RR_N
FR_P
FR_N
RL_IN
FL_IN
FR_IN
RR_IN
RC_IN1
RC_IN0
FL_IN
RL_IN
RR_IN
FR_IN
RR
RL
FL
FR
CTRL2
CTRL1
RR
RL
RR_P
RL_P
RL_N
RR_N
FR_P
FR_N
FL_P
FL_N
BU_IN
AMPSTBY
AMP_MUTE
AU_OUT_R
AU_OUT_L
AT
T
TU_SCL
TU_SDA
BEEP
ACC_IN
NJM8065RB1-TE1
NJM8065RB1-TE1
REAR
AUDIO OUT
IC402
CENTER VOLTAGE GENERATOR
IC401
LINE AMP
IC001
FM/AM RECEIVER
12MHz
+3.3V REGULATOR
IC002
REGULATOR
IC201
POWER AMP
IC304
MAIN BOARD (3/3)
2
1
4
5
3
7
6
11
(2/3)
>001S
MAIN
BOARD
(1/3)
>002S
MAIN
BOARD
12
10
9
8
BATTERY CHECK
ACCESSORY CHECK
Q300, 302
BACK UP
VOLTAGE DETECT
MUTING
MUTING
MUTING
CONTROL
Q407 - 409
ESDAXLC6-1BT2
(BRACKET)
A002
(REMOTE IN)
(ANTENNA IN)
(CHASSIS)
LND251
R
L
FU1
10A
32V
10
11
12
13
14
15
G
16
H
17
I
18
F
20
21
1
C
J
D
6
E
K
L
2
B
3
A
4
5
7
19
8
9
(E, EA, MX, IND)
(RU, AR)
REAR RCH (+)
8
REAR RCH (–)
5
13
11
BATT
3
GND
14
REM OUT MAX0.4A
4
PW1
15
FRONT RCH (–)
1
6
FRONT LCH (+)
FRONT RCH (+)
REAR LCH (+)
7
9
16
2
REAR LCH (–)
12
ACC
10
FRONT LCH (–)
TO
CN301
4
10
11
12
ACC
REM OUT
6
ACC
GND
16
7
15
3
BATT
BATT
9
2
13
14
GND
5
8
1
AMT REM
CN301
TO
8
RR+
FL–
RR–
4
FL+
RL+
6
6
3
FR–
7
5
7
RL–
4
8
1
FR+
RR–
RL–
2
1
5
FL–
FL+
RR+
FR+
3
FR–
2
RL+
PW1
(Page 15)
(Page 16)
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