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BLOCK DIAGRAM POWER BOARD
Q602
Power ON
AC
RL670
R609
D1606/D1617
D1618
IC1602
T1606
A13V
Q670
Power ON
F601
RL601
STB_5V
Q1609/1611
Q603/604
Power ON
RL1603
11
9
8
7
4
6
D1633
9
7
2
2
2
1
1
1
D1623
DTV_6V
D1629
STB_5V
D627
A13V
D624
IC671
1
3
P_24V
3
1
Q1610
Power ON
LINE OFF
4
4
IC1604
K6Q
1, 2
K6C
1, 2, 3, 4, 5
K6P
1
D1621
D603
D602
IC603
T605
14
17
11
13
8
5
2
4
4
14
12
8
2
4
D605
1
2
4
D606
1
3
4
D604
D1622
AC Rectify
Rush Current
Control
(Thermistor)
Fuse
Varistor
Varistor
Surge Absorber
AC Rectify
(Diode Bridge)
Voltage Information
Voltage Information
Power On/Off
Power SW
DC
Regulation
Oscillation
K601 (1, 2)
VA611
VA612
SC611
LF641
LF642
Line Filter
Line Filter
To Main
(K8P)
To Main
(K8Q)
K6R
To Main
(K8R)
To LCD Module
DTV & Standby Power Supply
Display Power Supply
(Main Board, LCD Module)
2
2
2
2
H:On
L:Off
H:Line
Off
STB_5V
STB_5V
STB_5V
STB_5V
Q642
D607/D608
Q606
Q605
Regulation
Oscillation
7
1, 2
4, 5
8
6