Block Diagram - Display/Power Supply Section - Sony DSX-M50BT Service Manual

DSX-M50BT
DSX-M50BT
5-2.

BLOCK DIAGRAM - DISPLAY/POWER SUPPLY Section -

SYSTEM CONTROLLER
IC101 (2/2)
88 RCIN1
J101
(REMOTE IN) 95 RC_IN0
89 KEYACK0
KEY BOARD RESET 10
LCD_DATA 99 LCD_SO
LCD_CLK 100 LCD_CLK
LCD_CE 98 LCD_CE
SIRCS 2 SIRCS
KEY_1 92 KEYIN1
KEY_0 93 KEYIN0 SYS_ON 87
90 KEYACK1
RE_1 80 RE-IN1
RE_0 79 RE-IN0
BT_MIC_ON (A50) 81
PANEL_SW 1 NOSE_SW
9 XOUT
X101
32.768kHz
AUDIO_EN 74
8 XIN
11 OSCOUT
SYS_EN 73
X102
7.92MHz
AMP_REM 72
13 OSCIN
FLT_USB 50
EN_USB 48
SYNC_OUT 24
EN_SYS 51
ILL_ON 59
BU_IN 66
ACC_IN 55
14 14
RESET SIGNAL +3.3V
GENERATOR REGULATOR 5 VDD (BACKUP5V)
IC105 IC102
BU+3.3V
B+ SWITCH
SYS+3.3V
Q102
+3.3V
BT+3.3V REGULATOR
IC601
+5V
TU+5V REGULATOR
IC603
AUDIO+8.5V 3 AUDIO 8.5V
2 AUDIO_EN
VDD+3.3V 15 REG 3.3V
10 REG_EN
12 AMP_EN
DC/DC CONVERTER
USB VBUS 5 USBOUT USBIN
9 12
+9V
ILL+9V REGULATOR
IC402
BU B+
D106 D107
BACK UP BATTERY
VOLTAGE DETECT CHECK
Q101, 104 Q103
ACCESSORY
CHECK
Q106
CN102 (2/2)
16
+B
18
REGULATOR
IC401
FU101
19
VCC 8
VCC1 9
D404 5
AMP12V 13 AMP-REM
6
ANT-REM
IC501
7 2 LX VIN 3
8 4
7
ACC