Schematic Diagram - Main Section (2/3) - Sony DSX-M50BT Service Manual

5-6.

SCHEMATIC DIAGRAM - MAIN Section (2/3) -

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