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K-BOARD
!
SW105
STR
V-BOARD
!
RM201
REMOTE
CONTROL
VCC
RECIEVER
PH-BOARD
!
T661
3
PH1
9
5
VH
1
TO
BACK LIGHT
VH
3
4
7
VH
5
6
T660
3
PH2
9
5
VH
1
TO
BACK LIGHT
3
VH
4
7
VH
5
6
PD-BOARD
!
PD1
T601
3
Q607
9
VH
1
TO
5
BACK LIGHT
VH
3
VH
5
4
7
Q608
6
PD2
T602
3
Q605
9
VH
1
TO
5
BACK LIGHT
VH
3
VH
5
4
7
Q606
6
Q601
Q602
TO A-BOARD
OVP
(OVER
Q603,604
VOLTAGE
PROTECT)
TX-22LT3
Power Block Diagram
DC15V IN
JK801
SW801
K1
A1
PUSH
7
LED 15V
2
5
POWER SW
4
3
KEY
6
SW104
SW103
SW102
SW101
F
-/DOWN
+/UP
TV/AV
Q201
V1
A5
Q202
3
LED 15V
6
LED
D203
To IC1001-77
(DG-BOARD)
POWER LED
STANDBY
(RED)
(GREEN)
REMOTE
TO IC1001-5
(DG-BOARD)
5
STB_3.3V
4
PH3
PD3
8
3
9
2
PA602
TO DG3
(DG-BOARD)
PD5
15V
4
5
15V
PA601
15V
6
15V
7
8
15V
IC602
15V
9
PWM CONTROL
10
VCC
4
15
5V
INV_DET
5V
12
2
FROM IC3002-41
16
(DG-BOARD)
IC601
OP AMP
7
INV_PWM
3
5
FROM IC6004-98
(DG-BOARD)
1
6
2
LIGHT ON
FROM IC1001-97
8
(DG-BOARD)
IC871
+12V
AVR 12V
A-BOARD
!
V_IN
OADJ
V_OUT
1
2
3
4
D874
D873
Q801
Q803
D804
D803
KEY
TO IC1001-124
(DG-BOARD)
Q804
Q802
D809
D810
Q805
Q807
Q814
Q813
D814
D813
OVP
(OVER VOLTAGE PROTECT)
From PD-BOARD
D815
D816
D817
D818
IC890
IC2001
AVR 12V
+12V
HP&SP AMP
ON/
ON/
OFF
V_IN
V_OUT
OADJ
OFF
5
19
1
2
3
4
5
D892
D893
IC802
9V
+9V
V_IN
V_OUT
GND
VD_S
SS
1
2
3
4
5
IC805
Q806
+5V
STB 5V
Q808
V_IN
V_OUT
GND
VD_S
SS
1
2
3
4
5
IC806
STB 2.5V
+2.5V
V_IN
V_OUT
GND
VD_S
SS
1
2
3
4
5
IC807
+3.3V
STB 3.3V
V_IN
V_OUT
GND
VD_S
SS
1
2
3
4
5
IC801
+1.5V
1.5V
V_IN
ON/OFF
VO
GND
1
2
3
5
Q811,Q812
IC2200
WOOFER AMP
20 21
IC4001
AV SWITCH
42
9V
1
9V
MAIN POW
From
To IC1001-92
(DG-BOARD)
5V
Q809
2
STB_5V
3
Q810
15V
4
STB_3.3V
5
PIXEL POW
From IC3002-91
(DG-BOARD)
1.5V
6
STB_2.5V
7
TX-22LT3 Power Block Diagram
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