Sony HCD-BX77DBi - BLOCK DIAGRAMS - PANEL, POWER SUPPLY SECTION; Panel and Power Supply Block Diagram

HCD-BX77DBi
HCD-BX77DBi
1818
5-4. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -
SIRCS
4
SYSTEM CONTROLLER
IC301 (4/4)
(AC IN)
T902
SUB POWER
TRANSFORMER
RY901
T901
MAIN POWER
TRANSFORMER
RECT
D911 – 914
D923D922
D330
D920
PROTECT
D332 D322
D318, 321
D303
D804, 805
AMP B+
F901
F902
TO
POWER AMP
AMP B–
+9V
REGULATOR
IC305
REGULATOR
Q304 - 306
UNREG SUB
UNREG SUB
SYS +3.3V
+9V
RECT
D907, 908
EVER +3.3V
RESET SIGNAL
GENERATOR
IC310
RELAY
DRIVE
Q315
LF901
LINE
FILTER
TUNER, DAB +9V
5STBY-RELAY
20AC CUT
66I-POWER MONITOR
12RESET
REMOTE CONTROL
RECEIVER
IC901
X301
32.768kHz
11
10
XCOUT
INOUT
13
15
X302
5MHz
XOUT
XIN
S801, 803 – 807,
S809 – 821
(FRONT PANEL KEYS)
KEY1 – KEY3
RESET
SWITCH
Q309
AC DETECT
Q301
B+ SWITCH
Q312, 313
VM +7V
RECT
D924 – 927
+5V
REGULATOR
IC306
VBUS POWER
ON/OFF SWITCH
IC201
VBUS +5V
DAB +3.3V
DAB +1.2V
+3.3V
REGULATOR
IC801
+1.2V
REGULATOR
IC802
IP +3.3V
+3.3V
REGULATOR
IC102
CD +1.5V
+1.5V
REGULATOR
IC201
KEY WAKE UP
74
D774
STANDBY
D902
STANDBY LED
89
LED DRIVE
Q901
57CD ON
94X5V FLAG
80DMPORT POWER
52
51DAB-POWER 1.2V
DAB-POWER 3.3V
AVDD +3.3V
DVDD +3.3V
+3.3V
REGULATOR
Q302, 303,
Q390, 392
RECT
D916 – 919
AC DET
K
PROTECT
J
+9V +4V
VOLTAGE
DETECT
Q393
PROTECT
DETECT
Q333, 338
VFL
FL901
FLUORESCENT
INDICATOR TUBE
T801
DC/DC
CONVERTER
RECT
D904, 905
OSC
Q903
GRID DRIVE
Q905
90
91
93
92
FL RESET
FL CS
FL SCLK
FL SD
RSTB
CSB
CLKB
DIN
GR1AD2, AD1 SG5 – SG35,
SG1 – SG4
GR2 – GR11
FLUORESCENT
INDICATOR TUBE DRIVER
IC902
+9V
52
32
53
54
55
1 – 31, 61 – 64 33 – 42
59, 60
81 – 83
+9V
REGULATOR
IC307
(Page 17)
(Page 17)