A-Board (1 Of 5) Schematic Diagram - Panasonic TC-20LB30 Service Manual

10.4. A-Board (1 of 5) Schematic Diagram

A-BOARD TNPH0580 (1/5)
A
AV_IN1
C
Y
C-G
C Y
Y-G
SW
G
V-SW
V
V
B
V-G
L
L
L-G
R-SW
R
R
R-G
AV_IN2
C
Y
C Y C-G
Y-G
SW
G
V-SW
V
V
V-G
L
L
L-G
R-SW
R
R
R-G
JK3001
K1U826A00002
VIDEO
C
D
WHITE
RED
JK3004
K2HA204A0038
COMPONENT
Y-SW
Y
Y
Y-G
PB
PB
PB-G
PR
PR
PR-G
JK3002A
K2HA307A0008
COMPONENT
E
F
TC-20LB30
A-Board (1 of 5) Schematic Diagram
1
C3003
10V
1u
AM_C1
R3007
75
AM_S2
C3001
10V C3004
1u
6.3V
10u
AM_Y1
R3008
75
R3005
10k
AM_S1
C3013
D3026
50V
MAZ81400ML C3005
0.01u 6.3V
10u
AM_V1
R3009
75
C3006
10V
1u
AM_L1
R3010
180k
C3007
AM_S2
10V
1u
AM_R1
R3011
180k
C3008
10V
1u
AG_C1
R3012
75
AG_S2
C3002
10V
1u C3009
6.3V
10u
AG_Y1
R3013
75
R3006
10k
AG_S1
C3014
D3027
50V
MAZ81400ML
0.01u
C3010
6.3V
10u
AG_V1
R3014
75
C3011
10V
1u
AG_L1
R3015
180k
C3012
10V
1u
AG_R1
R3016
180k
R3091
10k
C3076
50V
0.1u
C3015
10V
L 1u
C3016
R3017 10V
1u
180k
R
R3018
180k
R3023
1k
C3019
6.3V
10u
R3020
R3092
75 C3017
0
10V
1u
R3093
R3021
0
75
C3018
10V
R3094
1u
0
R3022
75
2
C3077 C3078
50V 50V
1000p 1000p
C3020
R079
10V
1u
JPEG_C 220
C3021
R080
220
JPEG_Y 6.3V 10u
AB_TV1L
C3024 10V 1u R3032 1k
AB_TV1R C3022 10V 1u R3029 1k
C3103 R3033
AB_TV1V 220
6.3V 10u
AE_SW
AE_Y
R3024 220
AE_D1L
R3025 1k
AE_PB
R3026 220
AE_D1R
R3027 1k
AE_PR
R3028 220
AE_LINE3
C3028 C3029 C3030 C3032
50V 50V 50V
50V
1000p 1000p 1000p
1000p
C3033
16V
10u
AG_S2
AE_D1L
AE_D1R
AE_SW
AE_Y
AE_PB
AE_PR
3
R3037 R3051
220 220
C3046
50V
1000p
C3048
50V
1000p
C3082
50V
C3081
1000p
16V
2.2u
17 64
4.4 4.5
18 63
4.5 0
19 62
0.8 SY-2 S2-3 4.5
SY-3 SDA
CV-1
20 L-3 61
4.5 4.7
L-4 CV-3 MUTE YOUT
21 60
4.4 4.6
R-4 R-4 SCL
22 59
4.4 4.7
AGC AGC CVOUT-2
23 58
1.7 4.6
CV-4 VCC
24 57
4.4 9.0
DDET-1 SCOUT-1
25 56
0 4.4
Y-1 GND
26 55
4.3 0
L-5 CVOUT-1
27 54
4.4 4.3
TRE-R
U-1 DDET-2 DCOUT
28 TRE-L 53
4.5 0.1
L-6
R-5 SYOUT
BASS-R
29 52
4.4 U-2 4.6
30 51
4.4 4.5
31 50
0.2 4.5
32 49
4.3 4.3
R3057
220k
C3047
50V
8200p
C3085
C3037
C3044
50V
50V 50V
1000p
1000p
8200p
C3036 C3038
R3049
50V 50V
1k
1000p 1000p
C3043 C3045
10V 10V
4.7u 4.7u
AG_R1
AG_L1
4
R_CHS
L_CHS
C3049
50V
1000p
C3050
50V
L_CH
1000p
SUB9V
IC3001
R_CH
AN15857A
L3001
ELJPA330KF
AV SW
R3101
0
R3052
22 AA_SDA1_5
R3053
22
AA_SCL1_5
C3052
C3051
16V 16V
0.1u
47u
R3054
R_CH
0
R3055
L_CH
0
AA_SCL5_5
AA_SCL1_5
AA_SDA5_5
AA_SDA1_5
R3102
0
R3103
0
DC_OUT
R060
0
C056
16V
0.1u
IC1011
C0JBAS000099
SWITCHING
TV_R 2.1
1
VCC
4.4
2
0.1
3
0
4
GND
5
28