MV-65ST
20
20
6-3.
BLOCK DIAGRAM – POWER Section –
REGULATOR
CONTROL
Q905, 906
POWER CONTROL
IC901
B+8V
FM +5V
IC305 B+
E-VOL +5V
B+5V
D905
D404
BATT
D904
D908, 909
D906, 907
DEAD TIME
Q913
DEAD TIME
Q914
SWITCHING
Q912
LATCH
Q911
DC IN 12V
J901
SWITCHING
REGULATOR
Q904
–
+
VCC +7.5V
VCC
U-COM +3.3V
BATTERY
DETECT
Q404
B+ SWITCH
Q907, 908
B+ SWITCH
Q311, 312
PANEL +5V
REGULATOR
Q303, 304
REGULATOR
CONTROL
Q902, 903
SWITCHING
REGULATOR
Q901
SWITCHING
REGULATOR
Q855, 856, 859
BACK LIGHT
UNIT
DC/DC
CONVERTER
Q801, 802
B+ SWITCH
Q951, 952
B+ SWITCH
Q853, 854
OSC
Q857, 858
5V
VOLTAGE
(DC/DC CONVERTER)
(DC/DC CONVERTER)
LED DRIVE
Q955, 956
DIMMER
Q860, 861
POWER CONTROL
IC850
D852, 853
D950
INVERTER
TRANSFORMER
T850
+
D801
S707
Q402
RESET
D802
D803
D804
VSS –13V
VGH +17V
VCC +5V
VDD +3.3V
POWER CONTROL
IC801
DC/DC
CONVERTER
T801
RV803
RV801
FREQUENCY
POWER ON
D702
POWER
(US, Canadian, Mexican)
(US, Canadian, Mexican)