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DSX-A100U/A102U
DSX-A100U/A102U
16
16
4-2. SCHEMATIC DIAGRAM - MAIN Section (2/3) -
• See page 14 for Waveforms. • See page 20 for IC Block Diagrams. • See page 21 for IC Pin Function Description.
Note 2: When IC501 on the MAIN board is replaced, the destination setting is necessary. Refer to “NOTE OF
REPLACING THE COMPLETE MAIN BOARD OR SYSTEM CONTROLLER (IC501)” on page 3.
Note 1: When the KEY board is defective, replace the
FRONT PANEL OVERALL ASSY (Ref. No. FP1).
Note 3: IC1301 on the MAIN board cannot replace with single. When
this part is damaged, replace the complete mounted board.
2
3
4
3.4
3.4
3.4
3.4
3.4
0.1
2
14.1
10
3.4
1.8
5.2
5.2
0
0.1
3.4
3
0.1
0.1
0.1
0.1
0.1
3.4
3
3.4
3.3
3.2
3.4
3.4
3.4
5.3
3.4
5.2
1.2
1.1
0.1
3.4
1.5
1.6
1.2
3.4
0.2
0.3
1.7
3.4
3.4
3.4
0.1
3.4
3.4
3.4
3.4
3.4
3.4
3.4
0.1
0.1
0.1
0.1
0.1
2p
C528
0.1
C526
47p
C1386
12p
C527
2p
C530
2.2
C1380
20P
CN101
1
USB_GND
2
USB_VBUS
3
GND
4
KEY_GND
5
AUX_L
6
AUX_R
7
AUX_GND
8
RE_0
9
RE_1
10
KEY_1
11
KEY_0
12
SIRCS
13
LCD_DATA
14
LCD_CE
15
LCD_CLK
16
ILL_+B
17
PANEL_SW
18
D–
19
D+
20
GND
LRB751V-40T1G
D500
DZ2J06800L
D152
DZ2J06800L
D117
D114
DZ2J06800L
D116
D115
FB804
FB811
JL118
JL117
JL116
JL115
JL114
JL113
JL111
JL110
JL109
JL108
JL107
JL106
JL105
JL104
JL103
JL102
JL101
JL100
JL119
JL507
JL506
JL501
JL502
JL503
JL112
IC501
NC
1
NC
2
NC
3
DEBUG
4
RESET
5
NCO
28
NCO
29
CTRL1_C
30
RE_ON
71
RE-IN1
72
RE-IN0
73
DAB_SCL
74
DAB_SDA
75
NC
96
NC
97
NC
98
NC
99
NC
100
XM_RX
26
XM_TX
27
XT1
6
XT2
7
VSS1
8
CF1
9
CF2
10
VDD1
11
DEBUG_1
12
CTRL2_A
31
NCO
32
CTRL2_C
33
BUSY
34
BUIN
35
VSS2
36
VDD2
37
DEBUG_6
66
DEBUG_7
67
BEEP
68
NC
69
NC
70
SIRCS
64
NC
65
NC
91
NC
92
NC
93
NC
94
FILT
95
NC
89
PANEL_DET
90
DEBUG_2
13
DEBUG_3
14
DEBUG_4
15
DEBUG_5
16
EN_USB
17
FL
T
18
XM_PWR
19
SDO
20
SDI
21
SCK
22
NC
23
NC
24
SYNC_OUT
25
TU_SCL
38
TU_SDA
39
NC
40
CMD_ERR
41
CE
42
SYSRST
43
USBIN
44
WDT_MON
45
LCD_CLK
46
LCD_CE
47
LCD_SO
48
BT_PWR
49
NCO
50
VDD3
52
VSS3
53
NC
54
NC
55
AT
T
56
AMP_MUTE
57
AMPSTB
58
SEL_XM
59
SEL_AUX
60
NC
61
KEY
ACK0
62
KEY
ACK1
63
ACC_IN
51
NC
77
KEYIN1
78
KEYIN0
79
RC_IN0
80
RC_IN1
81
SEL1
82
SEL2
83
NC
84
VSS4
85
VDD4
86
NC
87
NC
88
DAB_PWR
76
68k
R565
100k
R505
10k
R1326
100
R1364
100
R1331
10k
R549
1M
R544
4.7k
R1321
0
R545
220k
R542
100k
R546
R103
15k
1k
R1312
100
R1301
1k
R1311
BD9876BEFJ-E2
IC1301
LX
1
GND
2
VC
3
FB
4
SYNC
5
EN
6
BST
7
VCC
8
32.768kHz
X501
9.25MHz
X502
JL500
IC1304
VIN
1
GND
2
EN
3
OC
4
VOUT
5
12p
C524
1
C1301
10
C1300
0.01
C1312
CL504
CL503
CL502
CL501
CL505
CL509
CL508
CL008
CL512
1k
R527
1k
R525
470
R526
100
R572
100
R573
100
R574
100
R575
100
R568
100
R569
4.7k
R583
22
R584
CL511
CL510
100k
R563
0
R576
100k
R581
10k
R570
100k
R500
10M
R540
RB520SM-30T2R
D503
100
R530
100
R531
100
R532
100
R529
CL507
CL506
0.001
C502
10k
R523
100k
R521
0.001
C520
0.001
C501
10k
R519
10k
R520
6.3V
220
C550
1k
R506
2.2
C551
100
R528
100k
R522
0.01
C521
R510
0
0.22
C505
R503
100k
0.1
C1361
100k
R502
0.01
C532
220k
R577
0.01
C533
47p
C534
47p
C535
R560
100k
100k
R543
100k
R548
100k
R551
0.01
C531
100k
R556
0.01
C523
0.01
C522
1k
R537
1k
R535
33k
R539
33k
R536
2.2uH
L105
10
C105
R1316
0
R1303
0
0.01
C1311
D1301
12k
R1309
10k
R1308
39k
R1307
10
C1316
10
C1317
47p
C1326
C1323
1
10V
100
C1353
22
C1305
1
C1321
FB104
FB105
FB103
R107
4.7k
R106
15k
R104
4.7k
R102
4.7k
R105
4.7k
0.001
C100
0.001
C101
2.2
C102
VDR002
VDR001
L101
47uH
L1301
RE_0
RE_1
KEY_1
KEY_0
SIRCS
LCD_DATA
LCD_CE
LCD_CLK
PANEL_DET
ACC_IN
RE_0
RE_1
BEEP
AMPSTBY
AMP_MUTE
AT
T
LCD_DATA
LCD_CE
CTRL2
CTRL1
USB_IN
CE
CMD_ERR
TU_SCL
BUSY
SDO
SDI
SCK
AUX_LN/AUX_NCO
AUX_RN/AUX_GND
LCD_CLK
P
ANEL_DET
KEY_1
KEY_0
RC_IN1
RC_IN0
SYSRST
TU_SDA
BU_IN
SIRCS
SMONI
AUX_LP/AUX_LCH
AUX_RP/AUX_RCH
MAIN BOARD (2/3)
13
16
17
14
15
18
(3/3)
>001S
MAIN
BOARD
(1/3)
>003S
MAIN
BOARD
3
1
4
6
7
2
5
DC/DC CONVERTER
IC1301
IC1304
V BUS SWITCH
DB2441600L
IC501
SYSTEM CONTROLLER
LC88FC2F0BF2316-ENG
KEY
BOARD
(CHASSIS)
LND201
DZ2J06800L
DZ2J06800L
BD2231G-TR
10
11
12
13
14
15
G
H
I
F
1
C
J
D
6
E
K
L
2
B
3
A
4
5
7
8
9
(Page 15)
(Page 17)
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