Block Diagram (2/2)
KA-BOARD
KA10
2
3
4
5
7
1
STBY
3.3V
SUB3.3V
RM2800
3
1
VCC
OUT
SN2800
AI
3
1
VCC
OUT
D2800A
R
G
TO A10
Q2800
Q2801
REMOTE
AI
G LED
R LED
SUB3.3V
AI
STBY
3.3V
STBY
3.3V
R LED
G LED
P-BOARD
IC7601
REMOTE
TUNER 6V_5.8VS
P2
4
5
TO A02
16V
16V
16V
12
13
14
BL_SOS
BL_ON
PWM
P4
1,2
3
4
BL_SOS
BL_ON
PWM
14-10
TO LD4
24V
8
TV_SUB_ON
STB5.8V
9
6
2
11
KEY1
KEY
CONTROL
SW7402
SW7403
SW7406
SW7407
SW7404
M
A
IN
IN
2
1
P1
F7101
LF7101
3
2
4
1
CF7101
~
~
+
-
D7102
Line Filter
LF7102
3
2
4
1
Line Filter
LF7103
3
2
4
1
Line Filter
CF7102
1
SW
10
4
9
13
T7301
1
17
D7502
14
D7501
T7201
3
1
D7302
D7303
D7202
IC7201
2
COMP
Power Factor
Control IC
8
VCC
7
OUT
Q7201
Q7301
Q7202
IC7301
23
D2
14
VW
8
Vcc
PWM
Controller
20
G2
19
D1_s2
11
FB
Q7343
D7326
6
7
PC7301
Photo coupler
PC7303
Photo coupler
PC7302
Photo coupler
IC7502
Q7504
16V
24V
10
VREF
STB5.8V
Q7312
Q7501
12
VIN
11
EN
TUNER 6V
TV_SUB_ON
SW7401
Q7506
Q7507
KEY1
DC/DC converter
Q7502
TV_SUB_ON
LD-BOARD
LD4
LD2
TO P4
TO PANEL
14
PWM
17-20
PWM
12
BL
- ON
8
STB
1-5
VCC24V
1,12
Anode
11
LED24V
LED_SOS
2
9-10 11-12 13-14 15-16
7 (OVP)
23-21
8,9
LED 6_7
4,5
LED 2_3
10,3
LED 1_8
LED 4_5
6,7
Q9502
1
D9500
IC9500
LED DRIVER
DC/DC
only for 37’
’
OVP
DC/DC
27