TC-20LB30 A-Board (4 of 5) Schematic Diagram
TC-20LB30 A-Board (4 of 5) Schematic Diagram
+
+
+
+
+
+
+
+
TOP
+
+
+
+
AB_SUB_ON
AI
AB_KEY
AB_MAIN_SW
AB_DCC_B2
PDIM
AB_INV_ON
AB_DCC_B0
AB_DCC_B1
AB_DCC_B2
AB_LCD_B7
AB_LCD_B6
AB_LCD_B4
AB_LCD_B5
AB_LCD_B3
AB_LCD_B2
AB_LCD_B1
AB_LCD_B0
AB_LCD_G6
AB_LCD_G5
AB_LCD_G4
AB_LCD_G7
AB_LCD_G2
AB_LCD_G1
AB_LCD_G0
AB_LCD_G3
AB_LCD_R7
AB_LCD_R6
AB_LCD_R5
AB_LCD_R4
AB_LCD_R3
AB_LCD_R2
AB_LCD_R1
AB_LCD_R0
AB_LCD_VS
AB_LCD_CLK
AB_SOS
AB_PANEL_ON
AB_TV_ON
MAIN3.3V
MAIN3.3V
AB_MAIN_SW
R905
820
R944
1k
MAIN5V
C936
10u
50V
R903
100k
R912
0
C913
16V
100u
R936
1k
R913
1.65k
C907
10u
50V
R943
3k
C901
16V
0.1u
MAIN9V
JS902
0
C0CBAYF00004
IC903
IN
3
2
OUT
ADJUST
1
R914
1k
C923
330u
16V
IC906
C0DBEZE00005
1
IN
2
ON/OFF
3
OUT
4
V_adj
5
GND
6
OUT
FL9003
J0HAAB000027
OUT1
OUT2
OUT3
OUT4
IN3
IN2
IN1
GG
IN4
IC901
C0DAAZG00006
1
V IN
2
SW out
3
GND
4
VO S
5
ON/OFF
JS914
R908
4.87k
C924
330u
50V
C4283
10V
1u
C904
16V
0.1u
A9
K1KB19A00005
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
C931
10V
1u
C4284
50V
0.01u
C908
10V
1u
R4296
100
C905
16V
470u
R925
0
C4282
50V
100p
FL9001
J0HAAB000027
OUT1
OUT2
OUT3
OUT4
IN3
IN2
IN1
GG
IN4
R927
1k
C932
16V
0.1u
R9071
0
R9074
0
L902
82u
IC904
C0DBEZE00005
1
IN
2
ON/OFF
3
OUT
4
V_adj
5
GND
6
OUT
D912
MAZ81300ML
R055
0
R948
2.2k
FL9004
J0HAAB000027
OUT1
OUT2
OUT3
OUT4
IN3
IN2
IN1
GG
IN4
R9041
EXB38V101JV
FL9006
J0HAAB000027
OUT1
OUT2
OUT3
OUT4
IN3
IN2
IN1
GG
IN4
C4286
16V
47u
L4023
R928
1.5k
R4293
22k
R063
0
R934
0
D909
MAZ80510ML
R065
0
C915
16V
100u
R9073
0
JS906
0
R9077
0
D900
MAZ80330HL
JS903
0
JS910
0
R900
33
R4295
1k
A15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
C933
16V
100u
SUB9V
FL9002
J0HAAB000027
OUT1
OUT2
OUT3
OUT4
IN3
IN2
IN1
GG
IN4
JS901
0
R933
0
Q4035
B1DHDC000021
C911
16V
0.1u
D913
B0ECKM000003
C909
0.1u
16V
R9075
JS904
0
D902
B0JANG000003
R917
1k
R907
0
IC902
C0DBEZE00005
1
IN
2
ON/OFF
3
OUT
4
V_adj
5
GND
6
OUT
C910
16V
100u
R916
453
L903
G1BYYYJ00004
1
2
3
4
R929
1.5k
C4285
50V
0.01u
C914
10V
1u
R909
820
R9076
0
C939
10V
1u
C903
330u
50V
FL9005
J0HAAB000027
OUT1
OUT2
OUT3
OUT4
IN3
IN2
IN1
GG
IN4
C929
330u
16V
R4297
0
A8
K1KA20A00272
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
SUB5V
R930
0
MAIN3.3V
R926
160
IC907
C0DBEZE00005
1
IN
2
ON/OFF
3
OUT
4
V_adj
5
GND
6
OUT
D910
MA2J11100L
MAIN2.5V
Q4036
UNR521100L
JS905
0
JS907
0
C938
10V
1u
C927
1k
Delay
INVERTER_14V
GND
INVERTER_14V
INVERTER_14V
REG_5V
REG_5V
POW_ON_PULSE
INV_GND
KEY
POWER_ON
GND
UNREG_32V
+14V
+14V
+14V
+14V
ON/OFF
DuTy
AI
INVERTER_14V
STB_5V
GND
TV5V
GND
GND
TV-ON
TV-ON
MAIN 3.3V
INV_GND
INV_GND
INV_GND
INV_GND
INV_GND
INV_GND
INV_GND
INV_GND
MAIN 2.5V
+14V
+14V
GND
B3
GND
B0
B7
R3
B6
R6
G0
R7
R2
GND
U/D
L/R
VDD
VDD
R1
VDD
GND
VDD
R4
R0
R5
GND
GND
ENB
B5
GND
GND
B4
VS
HS
GND
CK
G4
GND
G5
GND
G3
G6
G7
G2
G1
B1
B2
PWM
0
28
33
36
29
32
31
35
34
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
51
52
53
54
55
56
57
58
A-BOARD TNPH0580 (4/5)
SUB 11V
SUB 9V
MAIN 5.0V
MAIN 1.8V
TO
LCD PANEL
TO
POWER UNIT
(CN2)
TO
LCD PANEL
2.3
32.0
11.0
0
1.5
0
5.0
3.3
4.7
1.2
3.3
9.0
7.8
11.0
1.8
5.0
0
1.8
1.2
4.7
2.5
5.0
0
2.5
1.2
4.7
0
5.0
1.2
5.0
8.2
9.0
4.8
0
3.2
3.2
4.8
4.8
4.8
3.1
3.1
3.1
3.2
3.2
0
0
0
0.8
1.4
1.1
0
0.3
0.3
0.3
0.1
0
0.4
0.4
0.4
0.6
0
1.1
1.1
1.2
0
0
1.4
2.3
0.7
0.9
0
1.0
1.1
1.3
1.5
0
0
3.2
3.2
0
1.5
0
3.1
4.6
0
2.1
0
0
0
0
14.0
14.0
14.0
0
0
0
0
0
0
14.0
14.0
14.0
2.6
3.2
5.0
5.0
0
0
0
0
5.0
0
14.0
14.0
14.0
0
32.0
0
0
14.0
0
4.8
4.8
4.8
4.8
4.8
0
0.2
3.1
0
*
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