Sony DSX-M50BT, Service Manual

Page: 19 / 34

DSX-M50BT
DSX-M50BT
19 19
5-6. SCHEMATIC DIAGRAM - MAIN Section (2/3) - • See page 15 for Waveforms. • See page 21 for IC Block Diagrams. • See page 23 for IC Pin Function Description.
Note 3: When the complete BT board is replaced, it is necessary to con fi rm
operation. Refer to “BLUETOOTH FUNCTION CHECKING
METHOD USING A CELLULAR PHONE” on page 5.
Note 2: When the BT board is defective, exchange
the complete mounted board. Note 4: When IC101 on the MAIN board is replaced, the destination setting
is necessary. Refer to “NOTE OF REPLACING THE COMPLETE
MAIN BOARD OR SYSTEM CONTROLLER (IC101)” on page 4. Note 1: When the KEY board is defective, exchange the
FRONT PANEL ASSY (Ref. No. FP1).
MAIN
(3/3)
BOARD
3
MAIN
(1/3)
BOARD
2
IC B/D
2
3
IC B/D
4
(0) [0]
(0) [3.3]
(0) [3.3] (8.5) [8.5]
3.3 0 0 0 0 (3.3) [3.3] 3.2 3.3 3.3 3.3 3.3 3.3 3.3 (3.3) [3.3]
3.3
3.3
3.3
2.5
2.3
3.2
0
0
0
0
3.2
3.2
0 1 0 0
3.2 0.1
0 0
1.5 3.2 3.3 3.2 3.2 3.2 1.6 1.5 1.4
0 0
3.2
(3.3) [3.3]
0
0
0
3.2
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
(3.3) [3.3]
(3.2) [3.2]
(0) [3.3]
(0) [0]
(0) [0]
3.2 3.3
0
3.2 3.2
10.2
5.1
14.3
3.3
5.1
1
1
5.1
5.8
1.5
3.3
0
1
3.3
5.8
39k
R505
0.01
C509
16V
100
C517
100k
R506
0.1
C516
1
C502
C606
0.01
C607
1
C605
1
C603
0.1
J101
JL101
10k
R143
32.768KHz
X101
4 3
1 2
PST8628UL
IC105
VOUT
Vdd
NC VSS
X102
7.92MHz
CL014
CL013
CL012
CL011
3.3k
R133
3.3k
R130
CL015 CL016 CL017 CL018 CL019 CL020 CL021 CL022 CL023 CL024
C608
0.1
R513
470 22
C511
10
C508
100
R501
82k
R507
MM1836A33NRE
IC601
1
CONT
2
GND
3
NOISE
4
VOUT
5
VIN
R602
4.7k
25V
47
C518
470
R502
0.01
C513
680p
C510
R516
470 220k
R504 R503
10k
1k
R173
18p
C157
22p
C158
1M
R181
R612
0
E
10uH
L501
47uH
L502
R115
100k
100 R214
220k
R177
10M
R176
10
C504
10
C505
220k
R303
2.2
C514
0.01
C515
8.2k
R509
FB101
FB102
FB103
47k R222
0
R803
0
R804
0
R180
10
C160
DB2441600L
D501
82k
R508
DZ2J068M0L
D601
IC501
OZ539IGN-A1-0-TR
1 BST
2 LX
3 VIN
4 EN_SYS
5 USB_OUT
6 FB_US
7 USB_IN
8 SYNC 9
FLT_USB
10
ISET_USB
11
VIC_USB
12
EN_USB
13
SS_SYS
14
GNDA
15
RT
16
VREF
LTA014EUBFS8TL
Q102
IC101
R5F3650KCDZ93FB
1
NOSE_SW
2
SIRCS
3
NC
4
NC
5
NC
6
BYTE
7
CNVSS
8
XIN
9
XOUT
10
RESET
11
OSCOUT
12
VSS
13
OSCIN
14
VCC1
15
NMI
16
CMD_ERR
17
BUSY
18
SYSRST
19
CE
20
SDI
21
SCK
22
SDO
23
USB_IN
24
SYNC_OUT
25
WDT_MON
26 BEEP
27 NC
28 NC
29 FW_TXD
30 FW_RXD
31 FW_CLK
32 FW_BUSY
33 NC
34 NC
35 NC
36 NC
37 NC
38 NC
39 EPM
40 DEBUG_1
41 DEBUG_2
42 DEBUG_3
43 DEBUG_4
44 CE
45 HIT2_SDA
46 HIT2_SCL
47 HIT2_RESET
48 EN_USB
49 NC
50
FLT_USB
51
EN_SYS
52
IPOD
53
NC
54
TELA
TT
55
ACC_IN
56
AT
T
57
AMP_MUTE
58
AMPSTB
59
ILL_ON
60
VCC2
61
NC
62
VSS
63
NC
64
NC
65
BT_MUTE(A50)
66
BU_IN
67
NC
68
NC
69
NC
70
NC
71
NC
72
AMP_REM
73
SYS_EN
74
AUDIO_EN
75
BT_TX(A50)
76
BT_RX(A50)
77 NC
78 NC
79 RE-IN0
80 RE-IN1
81 BT_MIC_ON(A50)
82 BT_RTS(A50)
83 BT_CTS(A50)
84 BT_RESET(A50)
85 BT_POWER(A50)
86 NC
87 SYS_ON
88 RCIN1
89 KEYACK0
90 KEYACK1
91 NC
92 KEYIN1
93 KEYIN0
94 AVSS
95 RC_IN0
96 AVRH
97 AVDD
98 LCD_CE
99 LCD_SO
100
LCD_CLK
C604
1000p
RB751V40,1
15
D1
15
CN103
15P
3
RE_1
2
GND
10 LCD_CLK
13 GND
7 SIRCS
4
RE_0
14 NC
11 ILL
1
GND
8 LCD_DATA
5 KEY_1
15 GND
12 PANEL_SW
9 LCD_CE
6 KEY_0
R156 100
R153 100
R158
100
R154 100
R155 100
100
R159
100
R161
100 R160
R165
100
0.01
C144
0.01
C143
R149
100k
1k
R167
470
R157
1k
R162
100
R195
100
R189
100
R193
100k
R183
100
R190
100
R187
1k
R200
100
R197
100
R390
100
R186
100
R191
100
R169
100k
R172
100k
R168
100k
R175
1k
R132
1k
R131
100
R185
R138
100k
10k R140
10k R139
1000p C149
1000p
C151
0.01
C152
1000p
C150
100k R184
C155
0.1
47p
C276
100k
R101
100
R206
100
R204
100 R207
100 R209
100k
R212
100 R208
10k
R216
100k
R213
100 R211
100
R210
100
R215
100k
R221
100k
R220
100k
R219
100
R203
R152
100
100
R174
100
R171
R179
100
100k R194
100k
R202
100k
R198
0.01
C252
0.01
C161
C136
0.1
16V
C609
10
47p
C274
C601
0.1
R601
0
R603
2.2k
C602
4.7
47k
R335
FL
T_USB
EN_USB EN_SYS
BT_LCH_P
BT_LCH_N
BT_RCH_N
BT_RCH_P
BT_RTS
BT_CTS
BT_TX
BT_RX
BT_MUTE
BT_RTS
BT_RESET
AMP_REM
AUDIO_EN
SDO SCK CE
HIT2_RST
FLT_USB
EN_USB
P
ANEL_DET
RE_1
RE_0
KEY_0
LCD_SO
LCD_CLK
SDI USB_IN
LCD_SO LCD_CLK
BT_RX
BT_MIC_ON
BT_MIC_ON
BT_POWER
BUSY WDT_MON
BT_RESET
KEY_1
KEY_1
SIRCS
LCD_CE
SYS_EN
CMD_ERR
BT_POWER
RE_0
HIT2_SCL
SYSRST
SYNC
RE_1
KEY_0
BT_CTS
EN_SYS
LCD_CE
PANEL_DET
SYNC
JL102
JL103
JL104
JL105
JL106
JL107
JL108
SIRCS
BT_TX
HIT2_SDA
FW_BUSY FW_TXD FW_RXD CNVSS FW_CLK
BT_MUTE
BUIN
ACC_IN
CN101
8P
3
RE_1
2
CLK
7 FLASH_W
4
TXD (UCOM–›JIG)
1
RESET
8 GND
5 RXD (JIG–›UCOM)
6 BU3.3V
FW_CLK
FW_TXD
CNVSS
FW_BUSY
FW_RXD
IC101
SYSTEM CONTROLLER
RESET SIGNAL
IC105
IC501
DC/DC CONVERTER
IC601
+3.3V REGULATOR
MAIN BOARD (2/3)
10
11
12
13
14
15
16
17
18
19
20
21
24
26
22
23
25
17
15
12
LCH_P
13 LCH_N
14
18 MIC_OUT
RCH_N
16
MIC-_IN
11
AU_GND
MIC+_IN
RCH_P
DGND 10
3
8
2
7
9
5
1
4
6
UART_TX
DGND
MODULE_PON
UART_RX
UART_CTS
MUTE
3.3
UART_RTS
RESET
BT
BOARD
MIC601
ANT601
KEY
BOARD
(REMOTE IN)
15 6 12
J
17 3
G
K
13 4
F
5 2 7
C
H
I
11 14 16
E
9
L
B
8
A
10
D
1
GENERATOR
B+ SWITCH
(NC)
(Page 18)
(Page 20)