Block Diagram - Panel, Power Supply Section - Sony HCD-BX5BT Service Manual

HCD-BX5BT/CBX1/CBX3
6-4. BLOCK DIAGRAM – PANEL, POWER SUPPLY Section –
LCD801
LIQUID
CRYSTAL
DISPLAY
REMOTE CONTROL
RECEIVER
IC804
S801 – 813,
S815 – 819
(FRONT PANEL KEYS)
D803, 804
(LCD BACK LIGHT)
(BX5BT/CBX3)
D802
(BX5BT)
BLUETOOTH
(CBX3)
USB MEMORY
D805
STANDBY
HCD-BX5BT/CBX1/CBX3
I-POWER MONITOR 86
SYSTEM CONTROLLER
IC301 (4/4)
30 LCD DATA
29 LCD CLK
CD ON 70
(CBX3)
SIRCS
4
USB POWER 76
KEY0 – KEY2
D311
74 KEY WAKE UP_POWER
D310
73 KEY WAKE UP_DISPLAY
LED DRIVE
LCD BACK LIGHT LED
25
Q808
(BX5BT)
LED DRIVE
26 USB/BT LED
BT POWER 58
Q806
LED DRIVE
27 STANDBY LED
Q805
15 XIN
X302
5MHz
XOUT
13
10 INOUT
X301
32.768kHz
XCOUT
11
AC CUT 20
RESET
RESET 12 SWITCH
Q309
STBY-RELAY 28
UNREG SUB
+1.5V
+1.5V REGULATOR
IC201
DVDD +3.3V
AVDD +3.3V
+3.3V
USB +3.3V REGULATOR
Q314, 318, 391
VM +7V
D318, 321
(BX5BT)
+5V
BT +5V REGULATOR
IC308
B+SWITCH
TUNER +9V
Q311, 313
+9V
+3.3V
BT +3.3V
REGULATOR
IC903
(CBX3)
VBUS +5V
B+SWITCH
LCD B+
Q810, 811
D303
SYS +3.3V
LCD +5V
UNREG SUB
VOLTAGE
AC DETECT
DETECT
Q301
IC310
24 24
MAIN POWER
TRANSFORMER
D920
PROTECT
DETECT
D332 D322
Q333, 338
VOLTAGE
DETECT
+9V LCD
Q393
+5V
+3.3V
REGULATOR
Q302, 303,
Q390, 392
+9V
F901
RECT
REGULATOR
D911 – 914
IC305
B+SWITCH
Q323 – 325
(BX5BT/CBX3)
+5V RECT F902
REGULATOR D308, 312,
IC306 D314, 315
AMP B+
TO RECT
POWER AMP D916 – 919
AMP B–
D330
+5V
REGULATOR
SUB POWER
Q304 – 306
TRANSFORMER
RECT
D907 – 910
D922, 923
PROTECT
J
(Page 23)
T901
AC DET
K
(Page 23)
T902
(AC IN)
LINE
FILTER
LF901
RY901
RELAY
DRIVE
Q315