Panasonic TC-20LA5 / TC-20LE5 Service Manual ▷ View online
10.7. R, TA, and V-Board Diagram
G
R
+
+
+
+
+
+
AA_SCL1
TP055
TP058
C2105
50V
0.01u
R1307
47k
C2102
50V
0.01u
R1306
1.5k
TP056
R1309
47k
TP061
V1
1
2
3
4
5
6
7
8
9
10
11
12
TP059
TP060
D2106
MAZ81400ML
TP062
R1305
220
220
D1302
B3CKE0000007
R1310
47k
D2101
MAZ81400ML
C2103
50V
0.01u
TP054
TP052
Q1301
2SA207700L
TP063
JK2101
K2HC103A0014
1
2
3
4
5
6
7
TP057
R1308
47k
47k
V5
1
2
3
4
C2106
50V
0.01u
C2104
50V
0.01u
C2107
50V
0.01u
C2101
50V
0.01u
TP053
Q1300
2SA207700L
D1300
MAZ80430ML
TP003
R1301
1k
R1
1
2
3
C1300
50V
0.01u
R1300
2.2k
D1301
MAZ80430ML
C1301
6.3V
47u
TP002
TP001
RM001
PNA4701M05TV
VO
U
T
GND
VCC
R1302
47
A5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TP015
R2204
1k
TP018
C026
10V
2.2u
R2200
22
C2212
4.7u
4.7u
10V
C2202
50V
0.1u
50V
0.1u
TP013
C2207
50V
0.1u
TP010
C2204
10V
0.47u
R2203
1k
C2203
50V
10u
10u
C2206
50V
0.1u
TP014
C009
6.3V
6.3V
100u
R001
22
R2206
0
C006
50V
50V
0.01u
R004
0
AN5829S-E1V
IC2201
1
2
3
4
OFFCAN1
5
OFFCAN2
6
WB TIME
7
VCC
8
WB DET
9
SPEC FILTR
10
SPEC TIME
11
SPEC DET
12
NOISE DET
13
SAP DET
14
MPX IN
15
PILOT DET
16
PLL
17
GND
18
SCL
19
SDA
20
PE
21
L OUT
22
R OUT
23
24
C001
16V
0.1u
TP021
TA2
1
2
3
4
5
6
7
8
9
C008
16V
0.1u
16V
0.1u
C2208
3.3u
3.3u
16V
C2213
10V
2.2u
R2201
22
R002
22
C2211
25V
10u
TU001
ENG36A16GF
NC
1
A
G
C_ADJ
2
+B_(5V)
3
NC
4
NC
5
NC
6
(BT)
7
(RF-A
GC)
8
(IF_OUT)
9
SCL
10
SD
A
11
AFT
12
A
U
DIO-OUT
13
NC_(SIF-OUT)
14
BTL_(30V)
15
A
G
C_CONT
16
VIDEO_OUT
17
C2210
10V
1u
C2209
50V
0.022u
TP020
TA1
1
2
3
4
5
6
7
8
9
L001
47u
TP012
TP011
R016
2.2k
C002
16V
470u
C027
16V
0.22u
TP016
C2205
16V
0.047u
R010
470
Q001
2SA207700L
R009
470
R007
100
LED_R
LED_G
GND
STBY3.3V
L_ch(+)
L_hp(+)
L(+)
R_hp(+)
L_ch(+)
R(+)
R_ch(-)
R_ch(+)
R_ch(+)
L_ch(-)
R_ch(-)
L_ch(-)
L_hp(+)
L(+)
R_hp(+)
R(+)
S_GND
POWER ON(G)
STANDBY(R)
POWER INDICATOR
HEADPHONE
SP_R+
SP_L+
SP_R-
SPEAKER(R)
SPEAKER(L)
SP_L-
GND
STBY3.3V
REMO
TE
REMOTE CONTROL SENSOR
R-BOARD
TNPA3591
V-BOARD
TNPA3590
LED_G
R(+)
R_hp(+)
L(+)
STBY3.3V
L_hp(+)
L_ch(-)
R_ch(-)
REMO
T
E
LED_R
S-GND
STBY3.3V
GND
GND
GND
A
G
C_CONT
30V
TV
-R
(A1)
AP-BOARD
A-BOARD
MTS DEMODULATER
TUNER
SD
A1
5V
TO
(A2)
AFT_OUT
SCL1
TNPA3589
GND
GND
TV_V
TA-BOARD
TO
GND
GND
GND
GND
TV
-L
GND
GND
C
E
2
4
D
6
5
1
B
3
8
7
A
0
3.2
2.2
0
2.1
0
2.1
0
0
0
3.2
4.7
0
0
0
2.2
2.1
0.3
4.7
0.3
2.1
0
2.3
3.1
2.8
0
2.2
0
5.0
0
30.2
0
0
2.8
0
0
2.1
0
0
0
0
4.7
4.7
0
1.5
4.1
5.0
0
5.0
4.2
5.0
5.0
0
2.9
0
3.2
0
2.3
3.2
0
3.2
3.2
2.0
0
0
3.2
TC-20LA5/LE5
R, TA, and V-Board Diagram
R, TA, and V-Board Diagram
TC-20LA5/LE5
R, TA, and V-Board Diagram
R, TA, and V-Board Diagram
TC-20LA5 / TC-20LE5
25
TC-20LA5 / TC-20LE5
26
11 Printed Circuit Views
11.1. A-Board
A
1
3
5
2
4
6
C
E
G
I
B
D
F
H
D3034
D3036
R3032
D3037
R3033
D3038
R3034
D3039
R3035
R3036
D3040
D3041
D3043
D3044
R1100
C3068
R1102
R1104
C4200
R1105
C4201
R1106
C4202
R3046
R1107
C4203
C4204
C3070
R1109
C4205
R3049
C3071
C4206
C3072
C4207
C4208
C3076
C3077
R1110
C3078
R1111
R1112
C4212
R3056
R1117
C4213
R1118
R1119
C4215
C3082
C3083
JS903
C3084
C3085
JS905
JS906
JS907
R1120
JS908
R1121
JS909
R1122
R3062
R3063
R4004
R3064
R4005
R3065
R3066
R4006
R4007
R3067
R3068
R4008
C3091
R3069
C4228
C3094
C4229
R055
R057
R4010
C3098
R058
R3070
R4011
C3099
R3071
Q4037
R4013
R3073
Q4038
C4230
R3074
Q4039
C4231
R3075
R4209
C4232
C4233
R3078
R3079
C4237
C4238
R4210
Q4040
R4211
R066
R4212
R067
R3080
R1141
R4023
R1144
R4218
R4219
C2301
C4242
C4244
R1149
C2305
R3089
A1
A2
C2307
A3
R073
C2308
A4
R074
C4249
A5
A6
R077
R078
R3090
R1151
R4225
R3091
A9
R1152
R3092
R1153
R4227
R4228
R4229
R1157
R4230
R4231
R4232
R4233
R4234
R4235
R4236
R4237
R4238
C2322
C053
C2323
C4264
C2327
R4240
C4269
R4241
C2329
R4242
R4243
R2303
R4244
R4247
R4248
C2330
IC2301
C2331
C4272
C2332
C4274
C4275
C2335
C4276
C4277
C2337
C4278
C4279
C2339
R9071
R9072
R4252
R9073
R9074
R4254
C4088
C4089
C4280
R4259
C4281
C4282
C4283
C2343
C4284
C4090
C4285
C4091
C2345
C4092
C4093
C2347
C4288
C4094
R2320
C4095
R2321
C4096
R2323
R4263
R9083
R2324
R2327
R2328
R2329
C3103
C3104
R2331
R2333
C3108
R4275
R4276
R4277
R2337
R4278
R2338
R4279
C3112
R4280
R4281
R2341
R4282
R2342
R4283
R4284
R4285
R2345
R4286
R2346
R4287
R4288
R4289
R4290
R4291
L902
R4293
L904
R4294
R4295
R4296
R4297
R3103
R4298
JS4004
L908
R3104
JS4005
D051
R3105
JS4006
D052
JS4007
D053
JS4008
R3108
JS4009
C1001
C1002
JS4010
JS4011
JS4012
R3113
JS4013
C1007
JS4014
C1008
C1009
JS4015
Q1006
JS4016
JS4019
C1010
C1011
L3001
C1012
C1014
JS4020
C1015
JS4021
C1016
JS4022
C1017
JS007
C1018
C1019
C1020
C1021
C1022
C1023
D1002
D1003
D1005
D1006
R1003
R1004
C4100
R1005
R1006
C4102
R1007
C1030
R1008
C4104
C1031
R1009
IC1002
C1032
C1033
C1034
C1035
C4109
R1010
C1039
R1012
R1013
R1014
C4110
R900
R1015
R1016
R1017
C4113
R903
C1040
C1041
C4115
R905
R907
R908
R909
C1046
C1048
ZA4010
ZA4011
R1024
R1025
C4122
R1027
R913
C1050
R1028
C4124
R914
R1029
R916
R917
R918
R919
R1030
R1031
R1031
R1032
R1034
R1035
R921
R1036
R922
R1037
R923
R1038
C4134
R924
R1039
C4135
C2001
R4302
C2002
C4137
R4303
C2003
R927
C4138
R928
C2004
C1065
R929
C1066
C2006
C1067
R1040
C2008
R1041
JK3001
C2009
JK3002
Q2006
R1043
JK3003
Q2007
R1044
JK3004
R930
R1045
C4141
JK3005
Q2009
C4142
R1046
R1047
R1048
C4144
C2010
R1049
C4145
C2011
C2013
L4004
C2014
Q2010
L4005
C2015
Q2011
L4006
C2017
R1050
C900
L4008
C2018
C1078
R1051
C2019
R1052
R1053
C903
R1054
R4128
R1055
C4151
R4129
C905
R1056
C906
R943
R1057
C907
R944
R1058
C4154
C2020
R1059
C4155
L4011
C909
C2021
C4156
C2022
C1083
R947
L4013
C2023
R948
C4158
L4014
R4130
C2024
C2025
R949
C2026
L4016
D2002
R4327
R1060
R4328
R4134
C910
R4135
C911
R2001
R4136
R2002
C912
R1063
C913
R1064
R1065
R4139
C4161
C915
R951
R2006
C916
R952
R1067
R2007
R953
R1068
L4020
C4164
C918
R4331
R1069
C4165
IC2001
C919
R4332
L4022
R4333
R4334
R4140
R4335
L4025
R4336
R4142
R4337
C920
R2010
R2011
R1072
C922
R1073
R1074
C924
R1075
R2016
C926
R1077
C4173
R2017
R2018
R1079
C929
R4151
R4152
R4153
R2020
R2021
R2022
C933
R2024
R2025
C936
R1087
C4183
R1088
R2028
C939
R1089
R2029
R4162
R4163
C940
R1090
R4164
R2030
C941
R1091
R4165
R2031
R1092
R4166
R2032
R1093
R4167
R2033
C943
R1094
C4190
R4168
R2034
C944
R1095
C4191
R4169
C945
R1096
R1097
R2037
R1098
R2038
R2039
R1099
C3001
C3002
C3003
R4170
C3004
C2258
C4199
C3005
R4171
C3006
R4173
C3007
R2040
R4174
C3008
JS1001
Q3005
C3009
R4175
R4176
R4177
R4178
C2261
C2262
C3010
C3011
C3012
C3013
C3014
C3015
R4181
C3016
C3017
R4184
C3018
D900
R4185
C3019
R4186
D902
R4188
D905
D907
D909
C3022
C3024
D3001
C3025
D3002
D3003
C3027
D910
D3004
R4194
D3005
R4195
R3001
R2255
D3006
R3002
D912
R2256
D913
R3003
D3007
R2257
R3004
D3008
R3005
D3009
R2259
D915
R3006
R3007
R3008
C3030
R3009
C3032
D3010
R2260
D3011
R2261
C3036
D3012
R2262
D3013
C3038
D3014
R3010
D3015
IC901
R3011
R3012
D3016
D3017
R3013
D3018
R3014
R3015
IC905
R3016
D927
R3017
R3018
R3019
D3020
D3021
C3046
D3022
D3023
R3020
C3048
D3024
D3025
R3021
C3049
R3022
D3026
R3023
D3027
D3028
D3029
C3050
R3029
D3030
D3031
A
TNPH0626
A
1
A
GND
PbF
1
9
1
9
1
15
1
9
1
2
13
14
1
6
19
18
1
2
1
8
9
16
SEE
REVERSE
FOR
ORDER
NO.
1
4
5
8
AVIN2
AVIN1
V
L
R
1
2
8
9
13
14
6
7
1
12
1
5
2
4
3
1
5
2
4
3
F
E
D
C
54
1
2
B
3
A
A-BOARD (FOIL SIDE)
TNPH0626AC
TNPH0626AC
TC-20LA5/LE5
A-BOARD TNPH0626AC
A-BOARD TNPH0626AC
TC-20LA5/LE5
A-BOARD TNPH0626AC
A-BOARD TNPH0626AC
TC-20LA5 / TC-20LE5
27
TC-20LA5/LE5
A-BOARD PARTS LOCATION
A-BOARD PARTS LOCATION
TC-20LA5/LE5
A-BOARD PARTS LOCATION
A-BOARD PARTS LOCATION
A
IC051 B-2
IC052 E-3
IC053 B-2
IC054 E-3
IC901 C-5
IC902 C-5
IC903 B-3
IC904 C-4
IC905 C-4
IC906 C-3
IC908 B-5
IC1001 E-4
IC1003 D-4
IC1004 F-4
IC1005 E-5
IC1006 D-5
IC1007 F-5
IC1008 B-1
IC1010 C-2
IC1011 C-2
IC1012 E-5
IC1013 H-3
IC2001 B-5
IC2251 C-1
IC2320 B-3
IC3001 E-2
IC3004 D-3
IC4003 D-6
IC4008 F-2
IC4009 F-2
IC4010 C-3
IC4012 G-3
IC4013 C-3
IC4013 D-3
IC4015 H-4
IC4016 B-1
IC4017 F-5
IC4018 F-5
IC052 E-3
IC053 B-2
IC054 E-3
IC901 C-5
IC902 C-5
IC903 B-3
IC904 C-4
IC905 C-4
IC906 C-3
IC908 B-5
IC1001 E-4
IC1003 D-4
IC1004 F-4
IC1005 E-5
IC1006 D-5
IC1007 F-5
IC1008 B-1
IC1010 C-2
IC1011 C-2
IC1012 E-5
IC1013 H-3
IC2001 B-5
IC2251 C-1
IC2320 B-3
IC3001 E-2
IC3004 D-3
IC4003 D-6
IC4008 F-2
IC4009 F-2
IC4010 C-3
IC4012 G-3
IC4013 C-3
IC4013 D-3
IC4015 H-4
IC4016 B-1
IC4017 F-5
IC4018 F-5
Q901 A-2
Q902 C-3
Q903 B-2
Q904 D-3
Q905 B-2
Q906 B-2
Q909 B-3
Q1001 E-4
Q1002 D-4
Q1003 D-4
Q1004 D-5
Q1005 C-5
Q1007 E-4
Q1008 E-5
Q1009 D-5
Q1010 D-5
Q1011 D-4
Q1012 E-5
Q1013 E-5
Q1014 D-4
Q1015 D-5
Q1017 E-5
Q2002 A-3
Q2003 A-4
Q2004 B-3
Q2005 B-2
Q2008 B-3
Q3001 G-2
Q3002 D-2
Q3003 D-3
Q3004 D-3
Q3006 H-3
Q3007 D-3
Q3008 G-2
Q3009 D-3
Q3010 D-2
Q3011 E-3
Q4014 G-1
Q902 C-3
Q903 B-2
Q904 D-3
Q905 B-2
Q906 B-2
Q909 B-3
Q1001 E-4
Q1002 D-4
Q1003 D-4
Q1004 D-5
Q1005 C-5
Q1007 E-4
Q1008 E-5
Q1009 D-5
Q1010 D-5
Q1011 D-4
Q1012 E-5
Q1013 E-5
Q1014 D-4
Q1015 D-5
Q1017 E-5
Q2002 A-3
Q2003 A-4
Q2004 B-3
Q2005 B-2
Q2008 B-3
Q3001 G-2
Q3002 D-2
Q3003 D-3
Q3004 D-3
Q3006 H-3
Q3007 D-3
Q3008 G-2
Q3009 D-3
Q3010 D-2
Q3011 E-3
Q4014 G-1
Q4015 G-1
Q4016 G-1
Q4019 H-3
Q4020 H-2
Q4021 H-2
Q4024 A-4
Q4025 C-4
Q4027 C-4
Q4033 D-5
Q4034 D-5
Q4035 C-6
Q4036 C-6
Q4016 G-1
Q4019 H-3
Q4020 H-2
Q4021 H-2
Q4024 A-4
Q4025 C-4
Q4027 C-4
Q4033 D-5
Q4034 D-5
Q4035 C-6
Q4036 C-6
Parts Location
A-BOARD (COMPONENT SIDE)
IC
TRANSISTOR
TP002 A-2
TP4038 A-2
TP4038 A-2
TP
IC905 F-4
IC1002 C-5
IC2001 G-4
IC2301 D-3
IC1002 C-5
IC2001 G-4
IC2301 D-3
Q1006 C-4
Q2006 G-3
Q2007 G-2
Q2009 G-4
Q2010 G-4
Q2011 G-5
Q3005 D-2
Q4037 C-6
Q4038 B-5
Q4039 C-5
Q4040 A-3
Q2006 G-3
Q2007 G-2
Q2009 G-4
Q2010 G-4
Q2011 G-5
Q3005 D-2
Q4037 C-6
Q4038 B-5
Q4039 C-5
Q4040 A-3
Parts Location
A-BOARD (FOIL)
IC
TRANSISTOR
TC-20LA5 / TC-20LE5
28
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