Sony DSX-A50BT Service Manual

DSX-A50BT
DSX-A50BT
1515
5-2. BLOCK DIAGRAM - DISPLAY/POWER SUPPLY Section -
SYSTEM CONTROLLER
IC101 (2/2)
LIQUID CRYSTAL DISPLAY DRIVER
IC901
ACC
7
AMP-REM
ANT-REM
5
6
19
+B
16
B/U B+
B/U B+
18
REGULATOR
IC401
CN102 (2/2)
AUDIO 8.5V
3
VCC2
8
+8.5V
AMP12V
13
REG 3.3V
15
REG_EN
10
VDD (BACKUP5V)
5
BU +3.3V
VCC1
9
AUDIO_EN
2
AMP_EN
12
+3.3V
REGULATOR
IC102
ACCESSORY
CHECK
Q106
B+ SWITCH
Q106
ACC_IN
55
+9V
REGULATOR
IC402
RESET
SIGNAL
GENERATOR
IC105
RESET
10
AMP_REM
72
AUDIO_EN
74
SYS_EN
73
SYS_ON
87
VDD_3.3V
EN_USB
48
FLT_USB
50
DI
48
CL
47
CE
46
EN_SYS
51
BU_IN
66
SYNC_OUT
24
FU101
USB_VBUS
VIN
3
2LXUSBIN
7
5 USBOUT
DC/DC CONVERTER
IC501
SYNC
8
EN_SYS
4
EN_USB
12
FLT_USB
9
D106
D107
BATTERY
CHECK
Q103
BACK UP
VOLTAGE
DETECT
Q101, 104
NOSE_SW
LSW901 – 906 (2/2),
S901 – 906
(FRONT PANEL KEY)
RCIN1
88
RC_IN0
95
J101
REMOTE IN
(VOLUME)
DIMMER
CONTROL
Q901
LIQUID CRYSTAL DISPLAY
LCD901
LED902 – 907,
LSW901 – 906 (1/2)
(ILLUMINATION)
79
RE_IN0
80
RE_IN1
ROTARY
ENCODER
S907 (2/2)
89
KEYACK0
90
KEYACK1
DIMMER
2
LED901
(LCD BACK LIGHT)
LCD_CE
98
LCD_CLK 100
LCD_SO
99
92
KEYIN1
ROTARY
ENCODER
S907 (1/2)
59
ILL_ON
93
KEYIN0
OSCOUT
OSCIN
X102
7.92MHz
X101
32.768kHz
XOUT
XIN
11
13
9
8
SIRCS2
REMOTE CONTROL
RECEIVER
IC902
SEG1 – SEG32
SEG1 – SEG32
32
COM1 – COM4
COM1 – COM4
4
1212
CN001 CN103
1
SYS_3.3V
BT +3.3V
BT_MIC_ON (A50)
81
PUSH ENTER/
SELECT/
+3.3V
REGULATOR
IC601

Sony DSX-A50BT Specifications

General

MP3 playback	Yes
CD-R playback	No
FM band range	87.5 - 108 MHz
Product color	Black
Amplifier output power	50 W

Weight and Dimensions

Weight	700 g
Dimensions (WxDxH)	178 x 120 x 50 mm