Read Sony SRS-BTV25 Service Manual online
SRS-BTV25
SRS-BTV25
22
22
4-5. SCHEMATIC DIAGRAM - MAIN Section (1/4) -
• See page 19 for waveforms. • See page 26 for IC Block Diagrams. • See page 28 for IC Pin Function Description.
Note 1: IC101 on the MAIN board cannot exchange with single. When
this part is damaged, exchange the complete mounted board.
Note 2: When the BT board is defective, exchange
the complete mounted board.
(4/4)
4
BOARD
MAIN
MAIN
1
(3/4)
BOARD
MAIN
2
BOARD
(2/4)
BOARD
KEYF
CN601
A
1
IC B/D
IC B/D
IC B/D
BOARD
MAIN
(4/4)
3
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
3.3
1.8
1.5
3.3
3.3
3.3
3.3
3.3
0
0
3.3
3.3
3.3
3.3
0
3.3
0
0
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
4.3
3.3
3.3
4.3
4.3
3.3
1
3.3
0
3.3
DGND
TAS_PDN
CTL_PWR1
R5F364A6DFB
IC101
1
NO USE
2
NO USE
3
NO USE
4
NO USE
5
NO USE
6
BYTE
7
CNVSS
8
NO USE
9
NO USE
10
RESET
11
XO
12
VSS
13
XI
14
VCC1
15
NO USE
16
AC CUT
17
VBUS_OCP_DET
18
BT_MUTE
19
NO USE
20
NO USE
21
NO USE
22
NO USE
23
NO USE
24
NO USE
25
NO USE
26
NO USE
27
NO USE
28
NO USE
29
TXD1
30
RXD1
31
CLK1
32
BT_CTS
33
BT_TXD
34
BT_RXD
35
BT_RESET
36
BT_RTS
37
BT_CTL_PWR
38
NO USE
39
EPM
40
NO USE
41
NO USE
42
NO USE
43
NO USE
44
CE
45
DAMP_SDA
46
DAMP_SCL
47
DAMP_RESET
48
DAMP_PDN
49
CTL_V5A
50
AUDIO_DET
51
NO USE
52
NO USE
53
NO USE
54
NO USE
55
NO USE
56
NO USE
57
DA_DZF
58
NO USE
59
INPUT
SEL
60
VCC2
61
NO USE
62
VSS
63
NO USE
64
NO USE
65
NO USE
66
NO USE
67
NO USE
68
NO USE
69
NO USE
70
CTL_PWR
71
DAMP_F
AUL
T
72
DC_DET(PROTECT)
73
KEY_PWR
74
NO USE
75
NO USE
76 NO USE
77 NO USE
78 NO USE
79 NO USE
80 NO USE
81 NO USE
82 NO USE
83 LED PWR
84 LED BT
85 LED BASS
86 LED AUDO
87 NO USE
88 NO USE
89 NO USE
90 KEY_1(PWR/VOL+-)
91 KEY_2(BT)
92 KEY_3(BASS/PLAY)
93 DESTINATION
94 AVSS
95 MODEL
96 VREF
97 AVCC
98 NO USE
99 NO USE
100 NO USE
AUDIO_DET
TAS_FAULT
JL101
JL102
JL103
JL104
JL105
JL106
JL107
JL108
JL109
TAS_RESET
8MHz
X101
BT_LP
BT_LN
BT_RP
BT_RN
MM3404A33NRE
IC103
1
VIN
2
GND
3
CE
4
NC
5
VOUT
V51
MM3404A33NRE
IC104
1
VIN
2
GND
3
CE
4
NC
5
VOUT
2SC3052EF-T1-LEF
Q101
DA2J10100L
D101
DC_DET
TAS_SDA
TAS_SCL
INPUT_SEL
CL101
CL102
CL103
CL104
CL107
CL108
CL109
CL110
CL114
CL115
CL116
CL117
CL118
CL119
CL120
CL121
CL122
CL123
CL124
CL125
CL126
CL127
CL128
CL129
1
2
3
4
5
6
7
8
9
10
11
12
13
14
14P
CN102
GND
RCH_N
RCH_P
LCH_P
LCH_N
GND
MUTE
URAT_TX
URAT_RX
URAT_RTS
URAT_CTS
3.3V
RESET
GND
1
2
3
4
5
6
7
8
9
9P
CN103
GND
RESET
CNVSS
RXD1
CLK1
3.3V
RTS1
TXD1
GND
CTL_PWR3
PST850AU
IC102
1
GND
2
VDD
3
VS
4
OUT
FB101
FB102
VBUS_PROTECT_DET
CL105
1
2
3
4
5
6
7
8
9
9P
CN101
5V
LED_PWR
LED_BT
LED_BASS
LED_AUDIO
KEY1
KEY2
KEY3
GND
MC2838-T112-1
D102
JL110
100
R163
100
R121
47k
R120
47k
R127
47k
R126
22
C107
100
R110
100
R108
100
R111
100
R109
100
R115
100
R114
100
R116
1k
R106
22
C104
22
C105
22k
R129
1k
R128
47k
R124
100k
R123
1000p
C106
22
C108
10k
R104
10k
R102
10k
R103
47k
R101
100
R113
1000p
C103
1000p
C102
1000p
C101
47k
R131
4.7k
R135
47k
R133
4.7k
R136
47k
R132
47k
R134
47k
R130
100
R139
100
R138
100
R140
100
R141
47
R143
47
R142
100
R147
100
R149
R161
100
100
R148
100
R150
100
R154
100
R151
100
R153
100
R152
47k
R145
47k
R144
47k
R125
100
R162
10k
R157
22k
R146
0.22
C110
47k
R155
100k
R156
1000p
C111
0.1
C112
1
C113
10k
R159
39k
R160
22
C114
16V
220
C118
C115
22
0.1
C119
10
C116
0.1
C117
DGND
IC102
VOLTAGE DETECT
+3.3V REGULATOR
IC104
IC103
+3.3V REGULATOR
IC101
SYSTEM CONTROLLER
MAIN BOARD (1/4)
RESET SWITCH
(NC)
BT
BOARD
16
8
I
14
2
15
12
A
D
5
B
7
C
6
11
3
H
F
13
G
9
E
10
1
J
4
(Page 20)
(Page 24)
(Page 23)
(Page 25)
(Page 25)
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