DSX-A50BT
DSX-A50BT
15
15
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
2 LX
USBIN 7
5 USBOUT
DC/DC CONVERTER
IC501
SYNC
8
EN_SYS
4
EN_USB
12
FL
T_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
SIRCS
2
REMOTE CONTROL
RECEIVER
IC902
SEG1 – SEG32
SEG1 – SEG32
32
COM1 – COM4
COM1 – COM4
4
12
12
CN001
CN103
1
SYS_3.3V
BT +3.3V
BT_MIC_ON (A50) 81
PUSH ENTER/
SELECT/
+3.3V
REGULATOR
IC601
Summary of Contents for DSX-A50BT
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