DSX-A40UE/A40UI/A42UI
DSX-A40UE/A40UI/A42UI
1616
4-5. SCHEMATIC DIAGRAM - MAIN Section (1/3) -
• See page 13 for Waveforms. • See page 19 for IC Block Diagrams. • See page 21 for IC Pin Function Description.
Note: IC603 on the MAIN board cannot exchange with single. When
this part is damaged, exchange the complete mounted board.
(3/3)
BOARD
1
MAIN
(2/3)
BOARD
2
MAIN
IC B/D
1
4.6
4.6
4.6
8.5
4.6
4.6
4.6
4.6
4.6
4.6
8.5
4.6
4.6
4.6
4.6
4.6
4.6
8.5
4.6
4.6
4.6
0
00
0
0
0
0
0
0
1.6
3.3
2.5
5
2.3
1.6
3.3
8.5
5
8.5
3.3
3.3
3.3
3.3
3.3
0
3.3
1.5
0
0
0
3.3
1.6
3.3
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
3.3
3.3
1.5
0
3.3
3.3
3.2
3.2
0
0.1
0
3.2
0
0
3.3
0
0
0
1.6
3.3
1.6
1.8
3.3
3.3
220
R330
220
R333
220
R326
220
R329
0R260
0R262
0R263
X201
12MHz
1
2
CL203
1C339
1C335
L201
31
24
4.7k
R314
R320
10k
R311
10k
1C228 0R801
1C225
10
R321
10
R318
R309
10k
10
C314
10
C313
10
C310
10
C317
10
C305
10
C306
10
C309
4.7uH
L251
CL201
CL202
IC303
BA4560RFVM-TR
1
2
3
4V– 5
6
7
8V+
Q305
LTC914TUBFS8TL
Q303
LTC914TUBFS8TL
Q302
LTC914TUBFS8TL
Q301
LTC914TUBFS8TL
10C256
10k
R327
10k
R328
10k
R331
10k
R332
47kR236
47kR235
47kR234
47k
R233
10C235
10C234
3300p
C240
220p
C241
4V
47
C221
J302
J304
IC302
BA4560RFVM-TR
1
2
3
4V- 5
6
7
8V+
IC301
BA4560RFVM-TR
1
2
3
4V– 5
6
7
8V+
R302
10k
C338
1000p
C336
1000p
1C337
1C347
FB201
12k
R301
12k
R308
12k
R319
12k
R310
100k
R312
100k
R315
100k
R307
R304
100k
220p
C304
220p
C301
220p
C303
220p
C308
4.7k
R343
R341
4.7k
10k
R344
10k
R342
12p
C238
12p
C232
330
R261
4V
220
C218
1
2
3
4
4P
CN201
1
C255
12k
R317
10k
R316
FB302
FB303
FB202
2.2
C223
3.9k
R340
3.9k
R345
FB301
C623
0.1
MFI337S3959
IC202
1GND
2SDA
3NC
4NC 5NC
6SCL
7RST
8VCC
NJM2884U2-05(TE2)
IC603
1
CONT
2
GND
3
NC
4
VOUT
5
VIN
0.1
C341
0
R292
1000p
C291
10V
100
C245
D309
DZ2J068M0L
LC786800E-06US-H
IC201
1
LFOUT
2
LROUT
3
LVR IN
4
DACOUT_L
5
DACOUT_R
6
RVRIN
7
RROUT
8
RFOUT
9
L1_IN
10
R1_IN
11
L2_IN
12
R2_IN
13
L3_IN_P
14
L3_IN_N
15
R3_IN_P
16
R3_IN_N
17
ATEST01(OPN)
18
ATEST02(OPN)
19
VREFOUT
20
VREF_ADC
21
AVSS2
22
AVD D2
23
NC
24
NC
25
NC
26
NC
27
NC
28
NC
29
NC
30
NC
31
DVDD
32
DVSS
33
NC
34
NC
35
NC
36
NC
37
NC
38
NC
39
NC
40
NC
41
DVDD
42
DVSS
43
REG1_EXTR(OPN)
44
DVDD15
45
iTXD
46
iRXD
47
SMONI
48
NC
49
DVDD
50
DVSS
51
RESETB
52
SIFCK
53
SIFDI
54
SIFDO
55
SIFCE
56
BUSYB
57
NC
58
NC
59
NC
60
NC
61
NC
62
USBINS1
63
NC
64
NC
65
NC
66
DVSS
67
DVDD
68
UDM1
69
UDP1
70
DVSS
71
UDM2
72
UDP2
73
XVDD
74
X12IN
75
X12OUT
76
XVSS
77
AFILT
78
VVDD2
79
VVDD3
80
DVSS
81DVDD
82CP-SCL
83CP-SDA
84
CP-nRES
85NC
86CMDERR
87TEST0(GND)
88
DVDD
89DVSS
90DVDD15
91JTRSTB(IPD)
92JTCK(IPD)
93JTDI(IPD)
94
JTMS(IPU)
95JTDO(O)
96
JTRTCK(O)
97TEST1(GND)
98AVDD1
99AVSS1
100LRREF
RF_ANT_IN
RF_GND_B
AUDIO_OUT_L
AUDIO_OUT_R
RSTN
SCL
SDA
+5V
RF_GND_PLATE1
POWER_GND_PLATE1
RF_GND_A
AUDIO_GND
POWER_GND
TU252
R259
1000p
C620
J303
C233
1
C239
1
C237
1
0
R339
C355
0.1
0.1
C348
47p
C266
0.1
C261
0.1
C244
R270
2.2k
R271
2.2k
15kR246
15kR247
0
R272
0R273
0R274
0R275
47p
C275
0.1
C229
0.1
C236
47p
C267
0.1
C216
0.1
C206
0.1
C213
0
R205
C214
10
0.1
C212
47p
C264
0.1
C250
0.1
C263
47p
C265
47p
C277
1000p
C260
R229
0
0.1
C290
10
C259
0R257
0R252
4.7k
R264
15
R243
5p
C226
5p
C227
15k
R244
15k
R245
15
R242
47p
C268
0.1
C220
47p
C269
0.1
C219
C231
1
4.7k
R305
0.1
C302
4.7k
R306
4.7k
R313
47k
R360
HIT2_SDA
HIT2_SCL
HIT2_RST
CMD_ERR
CE
BUSY
SDI
SDO
SCK
SYSRST
USB_IN
WDT_MON
0R802
AUDIO DSP, ELECTRICAL VOLUME
IC201
EEPROM
IC202
+5V REGULATOR
IC603
MAIN BOARD (1/3)
6
2
4
3
1
5
7
9
8
23
26
24
25
IC301
LINE AMP
IC303
CENTER VOLTAGE GENERATOR
IC302
LINE AMP
MUTING MUTING
USB CONTROLLER, INPUT SELECTOR,
D311D310
AB101
(CHASSIS)
(CHASSIS)
CAM251
CAM201
(ANTENNA IN)
AUX
TUX-DSP03
(TUNER UNIT)
L
R
AUDIO OUT
REAR
2P
MUTING MUTING
15612
J
3
G
K
134
F
52
M
7
N
C
H
I
11 14
E
9
L
B
8
A
10
D
1
(Page 17)
(Page 18)
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