Sony DSX-A50BT, Service Manual

Page: 19 / 40

DSX-A50BT
DSX-A50BT
19 19
5-5. SCHEMATIC DIAGRAM - MAIN Section (3/3) - • See page 16 for waveforms. • See page 26 for IC Block Diagrams. • See page 27 for IC Pin Function Description.
Note 2: When the BT board or MAIN board (including BT board) is replaced, it
is necessary to confi rm operation. Refer to “BLUETOOTH FUNCTION
CHECKING METHOD USING A CELLULAR PHONE” (page 5).
Note 1: When BT board is defective, exchange
the complete mounted board.
MAIN
3
BOARD
(2/3)
MAIN
2
BOARD
(1/3)
5
IC B/D
3.3
3.3
1.5
3.3
3.3 3.3
0
3.3 3.3 3.3 3.3 3.3 1.8 1.6 1.6
0 0 0 0 0 0 0 0 0
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
1.6
3.3
3.3
0
3.3
3.3
3.3
3.3
0
0
1.5
3.3 8.5
3.3 1.3
X201
12MHz
1
2
CL203
1000p
C341
1 C339
1 C335
D309
RKZ6.8B2KGP1
L201
3
1 2
4
1
C228
1
C225
10
C214
CL201
CL202
10 C256
47k R236
47k R235
47k R234
47k
R233
3300p
C240
220p
C241
4V
47
C221
1 C242
1 C243
J304
C338
1000p
C336
1000p
15
R242
15
R243
1000p
C346
1 C337
1 C347
FB201
4V
100
C245
4.7k
R343 R341
4.7k
10k
R344
10k
R342
12p
C238
12p
C232
330
R261
4V
220
C218
LC786800E-00US-H
IC201
1
LFOUT
2
LROUT
3
LV
R
IN
4
DACOUT_L
5
DACOUT_R
6
RV
R
IN
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
A
TEST01
18
A
TEST02
19
VREFOUT
20
VREF_ADC
21
A
VSS2
22
A
VDD2
23
NC
24
NC
25
NC
26
NC
27
GP50
28
GP51
29
GP52
30
GP53
31 DVDD
32 DVSS
33 GP30
34 GP31
35 GP32
36 GP33
37 GP34
38 GP35
39 GP36
40 GP37
41 DVDD
42 DVSS
43 REG1_EXTR
44 DVDD15
45 TXD1
46 RXD1
47 OSC_CTL12
48 OSC_CTL13
49 DVDD
50 DVSS
51
RESETB
52
SIFCK
53
SIFDI
54
SIFDO
55
SIFCE
56
BUSYB
57
USB_IN
58
GP40
59
GP41
60
WDT_MON
61
CMD_ERR
62
GP44
63
GP45
64
GP46
65
GP47
66
DVSS
67
DVDD
68
UDM1
69
UDP1
70
DVSS
71
UDM2
72
UDP2
73
XVDD
74
X12IN
75
X12OUT
76
XVSS
77
AFIL
T
78
VVDD2
79
VVDD3
80
DVSS
81 DVDD
82 CP_SCL
83 SP_SDA
84 GP06
85 GP07
86 CP_RESET
87 TEST0
88 DVDD
89 DVSS
90 DVDD15
91 JTRSTB
92 JTCK
93 JTDI
94 JTMS
95 JTDO
96 JTRTCK
97 TEST1
98 AVDD1
99 AVSS1
100 LRREF
1
2
3
4
4P
CN201
FB302 FB303
FB202
2.2
C223
3.9k
R340
3.9k
R345
FB301
R201
1000p
0.1
C348
0.1
C216
0.1
C212
0.1
C206
0.1
C213
15k
R247
15k
R246
0.1
C229
5p
C227
5p
C226
15k
R245
15k
R244
0.1
C236
4.7k
R264
0.1
C244
100
R266
100
R265
0.1
C250
0.1
C219
10
C234
10
C235
0.1
C220
0
R205
0.1
C261
R270
2.2k
R271
2.2k
1
C607
SYSRST SCK SDO SDI CE BUSY USB_IN WDT_MON CMD_ERR
0.1
C263
0.01
C606
1
C605
18
17
22
23
19
20
24
25
27
26
30
31
29
28
32
IC201
AUDIO DSP, ELECTRICAL VOLUME
MAIN BOARD (3/3)
USB CONTROLLER, INPUT SELECTOR,
CAM201
(CHASSIS)
D311
D310
8 2
A
D
5
B
7
C
6 3
H
I
J
F
G
9
E
10
11 12 13 14 15 1 4
AUX
1000p
C620
21
1 MUTE
2 UART_TX
3 UART_RX
4 UART_RTS
5 UART_CTS
6 RESET
7 MODULE_PON
8 DGND
9 3.3
10 DGND
11 RCH_P
12 RCH_N
13 LCH_N
14 LCH_P
15 AU_GND
16 MIC+_IN
17 MIC–_IN
18 MIC_OUT
BT_RCH_P
BT_RCH_N
BT_LCH_N
BT_LCH_P
BT_MUTE
BT_RX
BT_TX
BT_CTS
BT_RTS
BT_RESET
BT_POWER
1
CONT
2
GND
3
NOISE
4
VOUT
5
VIN
MM1836A33NRE
IC601
IC601
+3.3V REGULATOR
LC786800E-00US-H
IC201
IC201
AUDIO DSP, ELECTRICAL VOLUME
USB CONTROLLER, INPUT SELECTOR,
16
15
BT_MIC_ON
4.7k
R602
0.1
C601
4.7
C602
0.1
C603
1000p
C604
R601
0
R603
2.2k
D601
RKZ6.8B2KGP1
R612
0
0.1
C608
16V
10
C609
MIC201
(PATTERN ANTENNA)
CN001
BT
ANTENNA BOARD
BOARD
WR1
(Page 17)
(Page 18)