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Model
TX-23LX50M TX-23LX50A TX-23LX50X
Pages
38
Size
3.18 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD TV
File
tx-23lx50m-tx-23lx50a-tx-23lx50x.pdf
Date
PREV: Panasonic TX-23LX50F / TX-23LX50P Service Manual

Panasonic TX-23LX50M / TX-23LX50A / TX-23LX50X Service Manual ▷ View online

11.7. A-Board (3 of 3) Schematic Diagram
+
+
+
AF_A2
AF_A7
AF_A6
AF_D2
AF_D6
AF_A18
AF_A13
AF_A17
AF_A13
AF_A10
AF_A4
AF_D7
AF_A5
AF_A9
AJ_OSD_B
AF_A14
AE_PSEN_OUT
AF_A4
AF_A12
AE_WR_OUT
AF_D4
AF_A9
AF_D0
AF_A7
AF_A13
AF_A14
AF_A4
AF_A12
AF_A6
AE_PSEN_OUT
AF_A1
AF_A18
AF_A15
AF_A8
AF_A16
AF_A1
AF_D3
AB_TXT_CVBS
AF_D2
AF_D5
AF_A15
AF_A3
AF_D4
AJ_OSD_R
AF_A17
AF_D6
AF_D1
AF_D7
AF_A19
AF_A5
AF_A11
AF_A2
AF_A5
AF_A8
AF_D6
AF_D7
AF_D0
AF_A3
AF_A3
AF_D5
AF_A1
AF_A11
AF_D4
AF_A16
AF_D2
AF_A19
AF_A15
AE_WR_OUT
AF_A12
AF_A0
AB_AFC
AF_A2
AF_D5
AF_A0
AF_D3
AF_A0
AF_A16
AF_A8
AF_A14
AF_A17
AJ_OSD_G
AF_D1
AF_A7
AF_A10
AE_RD_OUT
AF_A9
AJ_OSD_FB
AF_D3
AF_D0
AF_A18
AF_D1
AB_HS_OSD
AE_RD_OUT
AB_SCL1(EEP5V)
AE_RST_IN
AB_SCL2(5.0V)
AB_SDA2(5.0V)
AB_BUSREQ
AB_SDA1(EEP5V)
AF_A6
AB_YDET
AB_SDET
AB_INV_ON
AB_RST3.3
AB_ST_ON
AB_SCL1(EEP)
AB_SCL2(3.3V)
AB_SD
A2(3.3V)
AB_VS_OSD
AF_A11
AB_RC_IN
AB_SMUTE
AB_B
USREQ
AB_SD
A1(EEP5V)
AB_SCL2(5.0V)
AB_SD
A2(5.0V)
AB_PANEL5V_ON
AB_KEYSCAN
AB_SDA1(EEP)
AB_WP
AB_SCL1(EEP)
AB_PROT1
AB_PROT2
AB_PWM
AB_INV_ADIM
AB_INV_ON
AB_PR
O
T
2
AB_KEYSCAN
AB_ST_ON
AE_RST_OUT
AB_PROT1
AB_SCL1(EEP5V)
AB_SD
A1(EEP)
AB_WP
AE_PSEN_IN
AB_STBY_LED
AF_A10
AB_BATS
C885
10V
1u
C874
50V
0.01u
ZA4022
TESA169
R855
15k
R1157
4.7k
TP1103
R1244
10k
L1100
ELJFA8R2KF
5.0V
IC1103
C3DAPC000037
1
VPP/PR
OGRAM SUPPL
Y
2
A16/ADDRESS INPUT
3
A15/ADDRESS INPUT
4
A12/ADDRESS INPUT
5
A7/ADDRESS INPUT
6
A6/ADDRESS INPUT
7
A5/ADDRESS INPUT
8
A4/ADDRESS INPUT
9
A3/ADDRESS INPUT
10
A2/ADDRESS INPUT
11
A1/ADDRESS INPUT
12
A0/ADDRESS INPUT
13
Q0/D
A
T
A
 OUTPUT
14
Q1/D
A
T
A
 OUTPUT
15
Q2/D
A
T
A
 OUTPUT
16
VSS/GR
OUND
17
Q3/D
A
T
A
 OUTPUT
18
Q4/D
A
T
A
 OUTPUT
19
Q5/D
A
T
A
 OUTPUT
20
Q6/D
A
T
A
 OUTPUT
21
Q7/D
A
T
A
 OUTPUT
22
E/CHIP ENABLE
23
A10/ADDRESS INPUT
24
G/OUTPUT ENABLE
25
A11/ADDRESS INPUT
26
A9/ADDRESS INPUT
27
A8/ADDRESS INPUT
28
A13/ADDRESS INPUT
29
A14/ADDRESS INPUT
30
A17/ADDRESS INPUT
31
A18/ADDRESS INPUT
32
VCC/SUPPL
Y V
O
L
T
A
G
E
C1219
16V
0.1u
L854
J0JCC0000241
SBY3.3V_D
3.3V
D1108
MAZ80620ML
C1175
16V
0.1u
C1123
16V
0.1u
C1109
16V
0.1u
Q1012
UNR221100L
TP861
C875
10V
1u
5.0V
R1154
10k
TP869
R1197
220
ZA4021
TESA169
R1119
0
A6
1
2
3
4
5
6
7
ZA4024
TESA169
TP1102
L852
J0JCC0000241
D858
B0A
CCK000005
L1113
G1C330K00017
C892
50V
1000p
R862
0
TP852
Q1101
2SC584500L
AUDIO_9V
C851
50V
100p
C1106
50V
33p
R1155
4.7k
SBY3.3V_D
C1218
16V
0.1u
TP867
C884
10V
1u
L855
J0JCC0000241
C1113
16V
0
.1u
SBY3.3V_D
X1100
H0D600400017
R1115
10k
R1124
1k
TP880
TP875
SBY3.3V_D
R1137
100
D1107
MAZ80620ML
R1167
5.6k
R1190
100
R1170
3.3k
R1196
220
D1106
MAZ80620ML
C1110
50V
4700p
C1173
50V
0.01u
C1217
16V
0.1u
R1192
4.7k
Q1223
2SC584500L
C1193
4V
220u
R1123
100
SBY2.5V_A
R1118
10k
3.3V
TP871
C852
50V
1000p
R859
0
TP856
TP873
R1131
100
R1163
D1HG6808A002
TP1105
R1117
330
R1168
D1HG6808A002
C876
50V
0.01u
TP862
1.8V
C1120
16V
0.1u
R858
0
R1111
0
C1121
16V
0.1u
R1102
0
TP858
C0EBE0000436
IC1104
4
OUT
3
CD
1
VSS
2
VDD
TP876
TP1101
R1184
4.7k
R1166
5.6k
TP855
L856
J0JCC0000241
ZA4019
TESA169
TP877
TP1107
TP864
R1189
100
R1169
27k
C0JBBZ000281
IC1106
1
NC
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
A9
11
A10
12
GND
13
B10
14
B9
15
B8
16
B7
17
B6
18
B5
19
B4
20
B3
21
B2
22
B1
23
OE
24
Vcc
C877
10u
50V
R1223
0
ZA4020
TESA169
R1103
0
C881
16V
0.1u
R1136
68
TP863
TP1109
R1120
10k
C1105
16V
0.1u
IC1101
C3EBHC000035
1
E0
2
E1
3
E2
4
Vss
5
SDA
6
SCL
7
WC
8
Vcc
SBY3.3V
D852
B0A
CCK000005
TP1106
R853
47k
R1105
0
R1126
10k
3.3V
Q851
2SC584500L
R1133
100
L853
J0JCC0000241
C1119
16V
0.1u
R1151
100
SBY2.5V
ZA4017
TESA169
C879
16V
0.1u
D857
MAZ81300ML
TP881
IC1102
C3BBKC000127
1
A18
2
A16
3
A14
4
A12
5
A7
6
A6
7
A5
8
A4
9
A3
10
A2
11
A1
12
A0
13
I/O_0
14
I/O_1
15
I/O_2
16
Vss
17
I/O_3
18
I/O_4
19
I/O_5
20
I/O_6
21
I/O_7
22
CS
23
A10
24
OE
25
A11
26
A9
27
A8
28
A13
29
WE
30
A17
31
A15
32
Vcc
SBY3.3V
SBY3.3V_D
R1253
10k
R1172
68k
TP1110
TP857
R860
0
L851
J0JCC0000241
D851
MAZ80620ML
R1164
D1HG6808A002
SBY3.3V_D
C888
50V
0.01u
R1210
100
INV_24V
C1213
16V
0.1u
TP879
R1135
68
R1121
100
SBY5.0V
TP878
SBY2.5V_D
IC854
C0CBCBD00008
1
Vcont
2
GND
3
Np
5
Vin
4
Vout
R1127
100
R1108
0
C1103
50V
0.01u
D1109
MAZ80620ML
R857
0
SBY3.3V_D
TP882
SBY5.0V
SBY5.0V
C1102
16V
0.1u
TP2288
ZA4016
TESA169
R1188
3.3k
R1193
100
TP874
IC851
C0CBCBD00008
1
Vcont
2
GND
3
Np
5
Vin
4
Vout
R854
4.7k
TP872
C1176
16V
0.1u
SBY2.5V_D
D1110
MAZ80620ML
TP866
R1178
3.3k
TP1108
D1105
MAZ80620ML
R1141
100
R861
0
TP853
C1125
16V 0.1u
IC853
C0CBCAD00012
1
Vcont
2
GND
3
Np
5
Vin
4
Vout
R1142
1k
30V
R1182
3.3k
C890
50V
0.01u
R1128
10k
SBY3.3V_D
R1194
4.7k
C870
16V
0.1u
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
TP860
C1108
50V
120p
R1112
0
TP1104
R1158
10k
8.0V
C1107
50V
33p
R1110
0
R1181
3.3k
ZA4018
TESA169
R1100
EXB38V680JV
SBY5.0V
AN77L08M-E1
IC852
IN
3
2
COM
OUT
1
C889
10V
1u
R1129
10k
R1106
0
R1143
100
R1125
100
TP868
A3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
R1177
180
R1209
100
R1161
470
R1186
3.3k
C886
50V
0.01u
C1122
16V
0.1u
C1116
16V
0.1u
AUDIO_9V
TP859
TP870
R1144
100
R1130
100
C1228
16V
0.1u
C887
10V
1u
R1147
100
TP854
C882
16V
0.1u
R1140
100
R1134
100
C880
100u
6.3V
TP1208
C872
10V
1u
R1132
100
C1244
16V
0.1u
AUDIO_9V
C1220
16V
0.1u
R1191
10k
R1175
330
SBY2.5V_A
C1114
16V
0.1u
R1208
100
ZA4023
TESA169
D1102
MA2J72900L
C883
16V
0.1u
C1124
16V
0.1u
SBY3.3V_D
C891
50V
0.01u
R1183
4.7k
5.0V
C871
1u
16V
R1173
68k
SBY3.3V
R1138
1k
IC1100
C2BBYC000011
1
D1
2
D4
3
D2
4
D3
5
XR
OM
6
VDD_2.5
7
VSS
8
VDD_3.3
9
P0.0
10
P0.1
11
P0.2
12
P0.3
13
P0.4
14
P0.5
15
P0.6
16
P0.7
17
ENE
18
ST
OP
19
OCF
20
EXTIF
21
CVBS
22
VDD
A_2.5
23
VSSA
24
P2.0
25
P2.1
26
P2.2
27
P2.3
28
NC
29
HS/SSC
30
VS
31
P3.0
32
P3.1
33
P3.2
34
P3.3
35
P3.4
36
P3.5
37
P3.6
38
P3.7
39
VSS
40
VDD3.3
41
P1.0
42
P1.1
43
P1.2
44
P1.3
45
P1.4
46
P1.5
47
P1.6
48
P4.2
49
P4.3
50
RST
51
NC
52
XTAL2
53
XTAL1
54
NC
55
VSSA
56
VDD
A_2.5
57
R
58
G
59
B
60
BLANK/COR
61
NC
62
P1.7
63
NC
64
WR
65
RD
66
NC
67
A19
68
A18
69
A16
70
A17
71
A15
72
FL_PGM
73
VDD_2.5
74
VSS
75
VDD_3.3
76
A14
77
A12
78
A13
79
A7
80
FL_RST
81
A8
82
A6
83
A9
84
A5
85
A11
86
A4
87
ALE
88
PSEN
89
A3
90
A10
91
VSS
92
VDD_3.3
93
A2
94
A1
95
FL_CE
96
D7
97
A0
98
D6
99
D0
100
D5
R1187
10k
C1161
10V
1u
C1165
16V
0.1u
Q1103
2SC584500L
SBY5.0V
R1122
33k
SBY5.0V
22k
R1258
5.0V
R1256
4.7k
47k
R1259
4.7k
R1257
Q1102
2SA207700L
R1114
18k
C1111
16V
0.1u
MSP_8V
VSS
E
G
A18
VPP
VCC
A16
A8
A15
A7
D7
A5
A4
A3
A2
A1
A0
D0
D1
D2
D3
D4
D5
A9
D6
A11
A10
A13
A14
A17
A6
A12
PO
W_ON
GND
INV_ON
INV_PWM
30V
STB 2.5V
STB 3.3V
SBY5.0V
B
USREQ
GND
SCL1
SCL2
SD
A1
SD
A2
GND
GND
GND
GND
GND
GND
5V
5V
INV_24V
A
UDIO_VCC
STB_5V
KEYSCAN
STB_5V
5V
5V
5V
GND
GND
GND
GND
1.8V
1.8V
1.8V
GND
GND
GND
GND
A
UDIO_VCC
A
UDIO_VCC
A
UDIO_VCC
GND
GND
GND
GND
GND
INV_SOS
INV_ADIM
GND
GND
GND
GND
22
21
20
19
25
26
23
24
27
12
11
A-BOARD TXN/A10LEP (3/3)
MCU
LEVEL CHANGE
(5.0V
-3.3V)
EEPR
O
M
RESET
SDRAM
PROM
(AP3)
AP-BOARD
TO
AP-BOARD
(AP4)
TO
FACTORY
USE
FOR
MAIN3.3V
0
5.0
1.2
5.0
3.2
9.0
8.0
0
1.2
2.4
4.9
4.9
0
1.2
4.9
0
3.2
4.9
0.8
1.9
1.4
1.5
0.9
1.6
0
0.6
2.8
3.3
1.6
0
0
1.8
1.6
1.8
1.5
1.9
1.4
1.5
1.4
0.9
0
1.3
3.3
2.5
0
0
3.3
2.8
3.3
2.5
3.2
3.3
0
0
2.8
3.2
0.8
0.3
0
1.3
0
0
0
3.2
0
0.5
0
2.8
3.2
0.2
3.2
3.2
0
0
3.2
3.2
3.2
0
3.2
0
3.2
3.2
0
0
2.9
3.2
3.2
2.4
1.8
2.1
3.2
1.8
3.2
2.6
2.4
1.4
3.2
1.6
0.6
0
0
0
3.2
0.2
3.1
0.2
0
0
0
3.2
0
1.3
0.3
0
2.5
0
0
0.5
0
0
0
0
3.2
3.3
3.2
3.3
3.2
1.7
3.2
0
1.5
0.5
0.8
1.5
0.8
0.5
1.2
1.9
1.5
0
0
3.2
0.9
1.6
0
1.3
2.6
1.6
1.5
1.4
2.1
1.9
0
1.5
1.2
0
1.4
1.8
3.2
0.5
1.4
0.9
1.5
1.6
0
2.7
1.9
1.9
0.8
0
1.9
1.2
3.2
1.5
1.6
1.5
0
0.6
0.8
2.1
1.3
1.4
1.9
1.8
1.5
1.5
1.6
1.5
1.4
2.7
0
3.2
3.2
0
3.5
4.9
4.9
0
2.9
5.0
0
4.2
0
0
0
0
2.8
3.3
3.3
0
0
0
3.3
0
4.9
0
2.9
2.4
0
0
3.2
0
3.2
0
0
3.2
0
0
0.8
0
4.9
1.4
2.9
0.1
0
0
0
30.2
0
24.0
0
2.3
0
0
0
0
0
0
0.9
5.0
0
4.9
4.9
0
0
0
0
0
0
0
0
9.0
9.0
9.0
9.0
5.0
5.0
5.0
5.0
0
0
0
0
1.8
1.8
1.8
4.9
4.9
0
4.9
4.9
3.6
4.3
TX-23LX50A/M/X
A-Board (3 of 3) Schematic Diagram
TX-23LX50A/M/X
A-Board (3 of 3) Schematic Diagram
TX-23LX50M / TX-23LX50A / TX-23LX50X
29
11.8. AP, K and V-Board Schematic Diagram
+
+
+
+
+
+
+
+
+
INV_ADIM
INV_SOS
INV_PWM
INV_ON
INV_ADIM
INV_PWM
INV_ON
INV_SOS
GND
GND
GND
GND
GND
BA
TS
HP_L
5V
SP_R+
SP_L-
SP_L-
SP_L+
HP_R
3.3V_SBY
SP_R+
REMO
TE
R_LED
SP_R-
SP_R-
SP_L+
AP3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
TP828
L805
82u
TP815
C806
50V
1000p
TP813
AP1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
TP823
C810
16V
470u
L806
G0C101K00041
IC802
C0DAAZH00020
1
INPUT_
(_VIN_)
2
OUTPUT_
(_V_OUT_)
3
COM
4
OA
D
J
5
ON_/_OFF
_(_VC)
TP826
TP803
R806
1.02k
R805
4.87k
EXCELDR35V
L801
TP812
TP810
TP819
TP825
TP833
C801
50V
1000p
TP831
C809
16V
470u
IC801
C0DAAZG00006
1
V IN
2
SW out
3
GND
4
VO
 S
5
ON/OFF
TP814
R803
0
ZA801
K9ZZ00000424
TP802
C802
50V
1000p
R812
0
TP806
TP830
TP827
TP811
C803
50V
0.01u
TP818
C804
50V
1000p
TP805
TP817
TP804
TP808
TP807
C813
50V
6800p
TP829
AP5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TP837
R807
2.49k
C807
330u
50V
D802
B0JANE000006
R808
820
TP824
TP822
TP834
TP809
C812
0.1u
50V
AP4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
EXCELDR35V
L802
TP832
C818
16V
470u
C808
50V
220u
C805
50V
1000p
TP835
D803
B0JANE000006
TP836
R302
12k
SW305
EVQPC105K
SW301
EVQPC105K
SW304
EVQPC105K
K2
1
3
R300
68k
ZA890
K9ZZ00000424
K1
1
3
4
F890
K5D312BNA004
SW303
EVQPC105K
R890
1M
ERC12ZGK105C
SW302
EVQPC105K
SW890
ESB92DA1B
R301
22k
R303
6.8k
R304
0
TP820
TP821
AP2
1
2
3
K3
1
2
3
TP302
TP303
TP301
SN201
B3L000000020
TP213
TP212
Q201
2SC584500L
R211
27k
R207
1k
JK201
K2HC103B0093
1
2
3
4
5
6
7
C202
16V
0.1u
TP201
R202
560
D201
B3AAA0000770
TP209
V1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
V2
1
2
3
4
TP211
TP210
C216
10V
22u
TP207
R203
5.6k
TP205
TP206
D205
MAZ81400ML
R210
27k
TP204
C203
6.3V
47u
TP208
R205
47
R204
47k
TP202
D204
MAZ81400ML
TP203
RM201
PNA4701M05TV
VO
U
T
GND
VCC
IC803
C0DAAZG00006
1
V IN
2
SW out
3
GND
4
VO
 S
5
ON/OFF
C815
470u
6.3V
L808
220u
R810
820
C816
6.3V
330u
D805
B0JCME000037
L807
22u
R809
150
TP816
BATS
24V
MAIN5V/2A
LCD PANEL
24V
24V
24V
24V
GND
GND
GND
GND
GND
INV_SOS
INV_ON
INV_ADIM
INV_PWM
KEY_SCAN
STBY5V
POW_ON
5V
GND
STBY5V
5V
5V
5V
5V
GND
GND
GND
GND
GND
GND
1.8V
1.8V
1.8V
GND
GND
GND
GND
GND
INV_ON
GND
INV_ADIM
GND
GND
INV_PWM
SOUND_GND
GND
GND
30V
INV_SOS
GND
SOUND_GND
SOUND_GND
SOUND_GND
AUDIO_VCC
GND
GND
24V
24V
30V
GND
GND
GND
24V
24V
24V
24V
24V
INV_GND
INV_GND
INV_GND
INV_GND
INV_GND
STBY5V
POW_ON
AUDIO VCC 9V/1.2A
GND
GND
GND
AP-BOARD TNPA3627
0
0
0
30.0
0.8
0
0
0
24.0
0
0
4.9
0
0
0
0
0
0
24.0
4.9
2.9
0
0
0.1
1.4
0
0
0
4.9
0
0
0
0.9
1.8
4.9
0
0
0
0
0
5.0
1.8
1.8
2.3
9.2
2.9
24.0
9.2
0
9.2
0
0
0
0
1.4
0
0
0
0.1
0
0
4.9
0
9.2
0
30.2
0
0
5.2
24.0
1.2
6.7
9.2
24.0
0
1.6
2.3
TO
POWER UNIT
(A4)
TO
A-BOARD
(A3)
TO
A-BOARD
INVERTER
TO
(CN301)
-
TV/AV
STR
+
FUNCTION
AC IN
110-240V
POWER UNIT
(CN101)
TO
KEY_SCAN
GND
0
2.3
0
GND
3
D
E
C
1
A
8
4
2
5
7
6
B
TO
A-BOARD
(A2)
TO
SPEAKER
2.0
0
5.0
MAIN1.8V/0.6A
1.5
2.0
K-BOARD TNPA3609
V-BOARD TNPA3610
4.3
4.0
4.1
4.1
5.0
2.8
0.8
0
0
0
0
3.3
0.8
4.2
0
0.6
4.2
4.0
0
0
0
2.7
0
24.0
24.0
24.0
24.0
24.0
5.0
5.0
5.0
5.0
24.0
24.0
24.0
24.0
0
2.3
0
HEADPHONES
REMOTE
COLD
HOT
AUDIO_GND
AUDIO_VCC
AUDIO_VCC
AUDIO_VCC
50/60Hz
SENSOR
LED_R
TX-23LX50A/M/X
AP, K and V-Board Schematic Diagram
TX-23LX50A/M/X
AP, K and V-Board Schematic Diagram
TX-23LX50M / TX-23LX50A / TX-23LX50X
30
12 Parts Location & Mechanical Replacement Parts List
12.1. Parts Location
31
TX-23LX50M / TX-23LX50A / TX-23LX50X
12.2. Packing Exploded Views
32
TX-23LX50M / TX-23LX50A / TX-23LX50X
Page of 38
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