Block Diagram - Panel, Power Supply Section - Sony CMT-BX1 Service Manual

HCD-BX5BT/CBX1/CBX3
Ver. 1.3
6-4. BLOCK DIAGRAM – PANEL, POWER SUPPLY Section –
LCD801
LIQUID 30 LCD DATA
CRYSTAL
29 LCD CLK
DISPLAY
REMOTE CONTROL
RECEIVER SIRCS
4
IC804
S801 – 813,
KEY0 – KEY2
S815 – 819
(FRONT PANEL KEYS)
D311
74 KEY WAKE UP_POWER
D310
73 KEY WAKE UP_DISPLAY
LED DRIVE
D803, 804
LCD BACK LIGHT LED
25
Q808
(LCD BACK LIGHT)
(BX5BT/CBX3)
D802
(BX5BT)
BLUETOOTH LED DRIVE
26 USB/BT LED
Q806
(CBX3)
USB MEMORY
LED DRIVE
D805
27 STANDBY LED
Q805
STANDBY
15 XIN
X302
5MHz
XOUT
13
10 INOUT
X301
32.768kHz
XCOUT
11
HCD-BX5BT/CBX1/CBX3
I-POWER MONITOR 86
SYSTEM CONTROLLER
IC301 (4/4)
CD ON 70
(CBX3)
USB POWER 76
(BX5BT)
BT POWER 58
VOLTAGE
AC CUT 20 DETECT
IC310
RESET
RESET 12 SWITCH
Q309
STBY-RELAY 28
PROTECT
DETECT
Q333, 338
VOLTAGE
DETECT
UNREG SUB
Q393
+1.5V
+1.5V REGULATOR
IC201
+3.3V
DVDD +3.3V
REGULATOR
Q302, 303,
AVDD +3.3V
Q390, 392
+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
B+SWITCH
BT +3.3V
REGULATOR
Q323 – 325
IC903
(CBX3)
VBUS +5V
B+SWITCH
LCD B+
Q810, 811
D303
SYS +3.3V
+5V
LCD +5V REGULATOR
Q304 – 306
UNREG SUB
AC DETECT
Q301
24 24
MAIN POWER
TRANSFORMER
T901
D920
D332 D322
+9V LCD
+5V
+9V
F901
RECT
REGULATOR
D911 – 914
IC305
(BX5BT/CBX3)
+5V RECT F902
REGULATOR D308, 312,
IC306 D314, 315
AMP B+
TO RECT
POWER AMP D916 – 919
AMP B–
D330
SUB POWER
TRANSFORMER
T902
RECT
D907 – 910
D922, 923
RELAY
DRIVE
Q315
PROTECT
J
(Page 23)
AC DET
K
(Page 23)
(AC IN)
(EXCEPT Singapore model)
LINE
FILTER
LF901
RY901
VOLTAGE
SELECTOR
S901
(Singapore model)