10.4. A-Board (1 of 5) Schematic Diagram
TC-20LB30
A-Board (1 of 5) Schematic Diagram
+
Y
PR
PB
+
+
NP
NP
RED
WHITE
+
AV_IN2
AV_IN1
R
V
L
V
L
R
Y
C
C
Y
AG_C1
AE_D1R
AG_S1
DC_OUT
AG_L1
AB_A_TRE
AB_TV1R
AE_PB
AB_TV1L
AM_L1
AB_AGC_CONT
AM_V1
AA_SCL1_5
AM_Y1
AA_SDA1_5
AM_S2
AM_R1
AM_S1
AM_V1
AE_PR
AM_C1
AM_L1
AE_PB
AM_Y1
AE_Y
AE_SW
AE_Y
AE_LINE3
AM_S1
AG_Y1
AE_D1L
AM_R1
AG_L1
AG_Y1
AG_R1
AG_S2
AG_S1
AG_R1
AG_V1
AE_D1R
AE_D1L
AG_S2
AA_SDA5_5
AA_SCL5_5
AB_TV1V
BT30V
AB_AGC_ADJ
AE_SW
R_CHS
AA_SCL5_5
AA_SDA5_5
AA_SDA5_5
AA_SDA1_5
AM_S2
AA_SCL1_5
AB_TV1L
AB_TV1R
AG_R1
AG_L1
DC_OUT
L_CH
R_CH
AM_C1
AB_TV1V
AG_V1
L_CH
R_CH
JPEG_Y
JPEG_C
AG_C1
AE_PR
AA_SCL5_5
AB_A_BASS
L_CHS
MAIN9V
R3012
75
R3064
270k
C3033
10u
16V
R3032 1k
C3030
50V
1000p
C3078
50V
1000p
R3010
180k
R3016
180k
R3015
180k
R3046
1k
R2347
150k
R2325
22
R2322
22
C3047
8200p
50V
R052
0
C3003
10V
1u
R3042
1k
R3043
220
R2340
100k
R2341
82k
C3029
50V
1000p
R2321
5.6k
R3022
75
R3005
10k
R2337
82k
C3016
10V
1u
C2330
4.7u
10V
C3050
50V
1000p
C2323
50V
1800p
R3091
10k
C3077
50V
1000p
R059
0
R2324
24k
C3081
2.2u
16V
JK3002A
K2HA307A0008
Y-SW
Y
Y-G
PB
PB-G
PR
PR-G
R1131
0
R3011
180k
R3020
75
R3018
180k
C3005
6.3V
10u
MAZ81000ML
D053
R3073
510
C3048
50V
1000p
R3053
22
R3054
0
R3101
0
C2320
16V
47u
C053
50V
4.7u
C2327
50V
5600p
MAZ81000ML
D052
Q3006
2SA207700L
R2338
68k
R3013
75
R3055
0
C3037
50V
1000p
A1
1
2
3
4
5
6
7
8
9
R2343
47k
R2344
56k
R3093
0
R3026
220
C2321
50V
0.01u
R3037
220
C3020
10V
1u
D2321
MAZ80620ML
R1130
0
C056
16V
0.1u
C3039
50V
1000p
C2324
10u
C2345
4700p
50V
C2325
10u
C3012
10V
1u
R3017
180k
C3021
6.3V 10u
C2335
330p
50V
R3049
1k
R2336
100k
R3092
0
C3011
10V
1u
R080
220
R3065
150k
C3024 10V 1u
C3017
10V
1u
R3087
1k
R3006
10k
R3072
1k
C3052
16V
0.1u
C3002
10V
1u
C3022 10V 1u
R3041
220
R3014
75
C3028
50V
1000p
C2347
330p
50V
A2
1
2
3
4
5
6
7
8
9
R057
0
C3007
10V
1u
R061
10k
MAZ81000HL
D051
JK3004
K2HA204A0038
IC3001
AN15857A
1
MUTE
2
CV-1
3
S2-3
4
L-1
5
R-1
6
SC-1
7
SDET-1
8
SY-1
9
L-2
10
CV-2
11
R-2
12
SC-2
13
SDET-2
14
SY-2
15
L-3
16
CV-3
17
R-3
18
SC-3
19
SDET-3
20
SY-3
21
L-4
22
R-4
23
AGC
24
CV-4
25
DDET-1
26
Y-1
27
L-5
28
U-1
29
R-5
30
V-1
31
D-L-1
32
Y-2
33
DDET-2
34
L-6
35
U-2
36
R-6
37
V-2
38
D-L-2
39
LOUT-2
40
ROUT-2
41
TC-BASS
42
S2-1
43
TC-TRE
44
S2-2
45
BASS-L
46
BASS-R
47
TRE-L
48
TRE-R
49
LOUT-1
50
SCOUT-2
51
ROUT-1
52
SYOUT
53
DCOUT
54
CVOUT-1
55
GND
56
SCOUT-1
57
VCC
58
CVOUT-2
59
SCL
60
YOUT
61
SDA
62
UOUT
63
ADDRESS
64
VOUT
R3027
1k
R3050
1k
R2342
68k
R3024
220
R3062
100
C2337
330p
50V
C2339
330p
50V
R3039
220
C3004
6.3V
10u
C2336
0.018u
16V
C3015
10V
1u
R3051
220
R3094
0
R3025
1k
R3084
220
R2345
56k
R3111
0
C2346
4700p
50V
R060
0
D3027
MAZ81400ML
R2339
47k
C3085
50V
1000p
R3023
1k
D2320
MAZ80620ML
R3077
750
R3102
0
MAIN9V
C3036
50V
1000p
C2322
50V
1800p
IC1011
C0JBAS000099
1
2
3
4
5
6
7
8
C3042
6.3V
0.33u
C3044
8200p
50V
C3051
16V
47u
R058
0
C3103
6.3V 10u
C3045
10V
4.7u
R3052
22
R2323
24k
C3046
50V
1000p
C3006
10V
1u
R2320
5.6k
R2327
33k
C2343
4700p
50V
C051
16V
2.2u
R3007
75
L3001
ELJPA330KF
C3001
10V
1u
R3057
220k
D3026
MAZ81400ML
R3070
100
R3029 1k
R2334
56
R3047
220
C3032
50V
1000p
C2344
4700p
50V
C2340
0.018u
16V
Q3008
2SA207700L
R3028
220
C3014
50V
0.01u
C935
0.018u
16V
C3112
6.3V
10u
C3049
50V
1000p
C2338
0.018u
16V
R2328
4.7k
C3019
6.3V
10u
R3008
75
C3076
50V
0.1u
C3008
10V
1u
C055
16V
0.1u
C3038
50V
1000p
R079
220
R3033
220
R2346
150k
C3013
50V
0.01u
R3040
1k
R3044
1k
C1BB00000800
IC2320
1
Lin
2
Rin
3
ADDout
4
Bout
5
Sout
6
ADDin
7
DIFin
8
SWin
9
HPout
10
HPin
11
PeqL11
12
PeqL12
13
PeqR11
14
PeqR12
15
PeqL21
16
PeqL22
17
PeqR21
18
PeqR22
19
PeqL31
20
PeqL32
21
PeqR31
22
PeqR32
23
SWout
24
Rout
25
Lout
26
Vcc
27
Vref
28
ADJ
29
PORT
30
SCL
31
SDA
32
GND
C3082
50V
1000p
R2332
56
C3043
10V
4.7u
R3021
75
R3103
0
C3018
10V
1u
R3009
75
R3038
1k
R3076
0
Q3001
2SC24800VL
JK3001
K1U826A00002
C
Y
C-G
Y-G
SW
G
C
Y
C-G
Y-G
SW
G
V
V-G
L
L-G
R-SW
R
R-G
V-SW
V-SW
V
V-G
L
L-G
R-SW
R
R-G
R3048
1k
C3009
6.3V
10u
C3010
6.3V
10u
C3041
6.3V
0.33u
SUB9V
L
R
VIDEO
R-4
AGC
TV1_V
GND
30V
SCL1
GND
GND
AGC_CONT
GND
GND
AGC
MAIN5V
SDA1
GND
GND
L
R
GND
GND
Lch_IN
RcH_IN
MAIN9V
SOUND CTRL
VCC
GND
TV_R
TV_L
7.7KHz
D
7
B
3
9
6
4
C
1
2
F
5
A
8
E
2
1
3
4
5
6
7
8
9
10
SWITCHING
U/V TUNER
A-BOARD TNPH0580 (1/5)
AV SW
TO
(TA1)
TA-BOARD
TO
(TA2)
TA-BOARD
COMPONENT
COMPONENT
2.1
4.4
0.1
0
5.0
0.1
4.4
2.2
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
0
4.5
4.5
4.5
4.5
4.5
4.5
4.3
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.3
4.5
1.2
0.6
9.0
0
4.5
4.5
4.4
0.2
4.4
1.7
4.4
4.4
4.3
4.4
0
4.5
4.4
4.4
4.3
0.8
4.5
4.5
4.5
4.4
4.4
4.3
4.4
3.0
1.6
0.1
4.4
4.4
4.4
4.5
0.2
0.1
4.4
1.5
4.5
0.1
4.3
9.0
4.6
4.7
4.6
4.7
4.5
0
4.5
4.4
0
4.6
4.5
4.3
4.6
0
4.4
4.3
4.5
4.5
4.4
4.5
4.2
4.5
4.4
4.5
4.4
4.5
4.4
4.4
2.1
4.8
0
2.1
0
4.7
0
1.5
0
0
0
0
0
0
30.6
5.0
0
2.6
2.5
1.9
7.9
7.9
8.5
3.6
3.6
4.3
0
TC-20LB30
A-Board (1 of 5) Schematic Diagram
28
Содержание TC20LB30 - 20" LCD COLOR TV
Страница 12: ...7 Location of Lead Wiring 12 TC 20LB30 ...
Страница 16: ...10 Block and Schematic Diagram 10 1 Schematic Diagram Notes 25 ...
Страница 17: ...25 ...