Block Diagram - Power Section - Sony MV-65ST Service Manual

MV-65ST
6-3. BLOCK DIAGRAM – POWER Section –
RESET
PW-IN
PW DET
FM-ON
SYSTEM CONTROLLER
IC401 (3/3)
DIMMER
TFT ON
PW-ON
POWER ON
(Page 18) B
36
46
32
(US, Canadian, Mexican)
49
VSS –13V
VGH +17V
VCC +5V
VDD +3.3V
RV803
5V
VOLTAGE
(DC/DC CONVERTER)
RV801
FREQUENCY
(DC/DC CONVERTER)
INVERTER
TRANSFORMER
T850
BACK LIGHT
UNIT
D852, 853
60
56
D702
LED DRIVE
Q955, 956
POWER
2
Q402
S707
RESET
DC/DC
CONVERTER
T801
D801
D802
DC/DC
CONVERTER
D803
Q801, 802 (US, Canadian, Mexican)
D804
POWER CONTROL
IC801
3 1IN+
1OUT 7
2 RT
SWITCHING
REGULATOR
Q855, 856, 859
OSC DIMMER
Q857, 858 Q860, 861
POWER CONTROL
IC850
2IN+ 16
1 1IN+
C2 11
B+ SWITCH
VCC 12
Q853, 854
D950 +8V
VCC +7.5V REGULATOR
IC950
B+ SWITCH
VCC
Q951, 952
20 20
+3.3V
U-COM +3.3V REGULATOR
IC952
RESET SIGNAL
+5V
GENERATOR
PANEL +5V REGULATOR
IC403
IC951
D404
BATTERY
DETECT
Q404
+5V
E-VOL +5V REGULATOR
IC308
REGULATOR
IC305 B+
Q303, 304
+5V
B+ SWITCH
FM +5V REGULATOR
Q311, 312
IC307
SWITCHING
B+8V REGULATOR
D905
Q901
D908, 909
REGULATOR
CONTROL
Q902, 903
SWITCHING
B+5V REGULATOR
D904
Q904
D906, 907
REGULATOR
CONTROL
Q905, 906
POWER CONTROL
IC901
12 OUT2
B+ SWITCH
VCC 9
Q907, 908
7 OUT1
DEAD TIME
11 DT2
Q913
DEAD TIME
6 DT1
Q914
LATCH +
15 SCP
Q911
SWITCHING
Q912
BATT
J901
+
–
DC IN 12V