Panasonic TX-32LX80F / TX-32LX80L / TX-32LX80P Service Manual ▷ View online
Wiring diagram
A-
BO
AR
D
G-
BO
AR
D
G51
JK
370
0
AV
3
V-BO
A
RD
V1
K-
BO
AR
D
K1
POWER UNI
T
P2
LCD PANEL
AV
1
AV
2
A
10
KE
Y
A7
JK
300
0
J
K
305
0
A8
A4
A1
P1
P3
M
A
IN
IN
A2
JK
300
3
PC
JK
500
1
JK
500
0
A
11
TU
001
Y
U
V,
A
UDIO IN,
A
U
DIO OUT
HDMI1
HDMI2
S
E
R
V
ICE
J
K
3
1
00
CN1
A5
SP
A
13
13
Video & Stereo Audio Block Diagram
AV1 21PIN SCAR
T
AV
1
_
V
20
AV
1
_
V
O
U
T
19
AV
1
_
R
E
D
15
A
V
1_G
R
E
EN
11
A
V
1_
BLUE
7
A
V
1_L
6
A
V
1_L
O
U
T
3
AV
1
_
R
2
A
V
1_
ROUT
1
JK300
0
G51
1
3
5
13
15
7
11
A7
1
3
5
13
15
7
11
R
L
V
L
R
Y
C
JK3700
AV
4
_
R
A
V
4_L
AV
4
_
V
A
V
4_Y
AV
4
_
C
HP_LOUT
HP_ROUT
G-B
O
A
R
D
Y
PB
PR
L
R
Y
_
IN
PB_
IN
PR_
IN
JK310
0
YPBPR, AUDIO / IN,O
UT/
Y
U
V/DV
I_P
0_L_
IN
YU
V
/D
V
I_
P,
_
R
_I
N
L
R
M
O
NI
T
O
R_L
M
O
NI
T
O
R_R
IC1501
[C
5Z
BZ
000
003
7]
A
UDI
O
V
ID
E
O
P
R
OCES
OR
180
A
V
1-
2_G
R
EEN
_IN
181
A
V
1-
2_R
ED/C
_IN
179
A
V
1-
2_BL
U
E_I
N
172
PB_IN
174
PR_IN
9
A
V1_
R
_IN
10
A
V
1_L
_IN
173
Y_
IN
195
A
V
1_C
VBS
_
O
U
T
_
VC
T
P
24
A
V
1_L
_O
UT
23
A
V1_
R
_O
UT
11
AV
2
_
R
_
IN
12
A
V
2_L
_IN
190
A
V
2_C
VBS
_IN
194
A
V
2_C
VBS
_
O
U
T
_
VC
T
P
22
A
V
2_L
_O
UT
21
AV
2
_
R
_
O
U
T
15
Y
U
V/DVI_
P0
_R_IN
26
M
O
NI
T
O
R_L
16
Y
U
V/DVI_
P0
_L
_IN
25
M
O
NI
T
O
R_R
189
A
V
1_C
VBS
_IN
Q320
2
Q320
5
AV2 21PIN SCAR
T
AV
2
_
V
20
AV
2
_
V
O
U
T
19
A
V
2_
RED
/C
15
A
V
2_G
R
E
EN
11
A
V
2_
BLUE
7
A
V
2_L
6
A
V
2_L
O
U
T
3
AV
2
_
R
2
A
V
2_
ROUT
1
JK305
0
Q320
1
Q320
4
IC340
0
[C
1
A
B
00
000
421]
RGB SW
IT
CH
9
14
1
1
3
8
11
16
5
8
PC_R
ED_I
N
178
PC_G
R
EEN
_IN
177
PC_BL
U
E_I
N
176
JK3003
2
3
1
PC
TUNER
21
VIDEO_O
UT
SIF_
OUT
T
UNER_CVB
S
_IN
191
SIF
_
IN
31
11
13
AV3_R_IN
14
AV3_L_IN
184
AV3_CVBS_IN
188
AV3_Y_IN
187
AV3_C_IN
IC235
0
[C
1BB00
000
947]
HP A
M
P
1
7
53
HP_L
_O
UT
HP_R
_O
UT
Q12
3
SP
E
A
K
E
R_RIGHT
27
SP
E
A
K
E
R_L
E
F
T
28
IC250
[C
1
A
B
00
002
916]
A
UDI
O
A
M
P
L
IF
IE
R
44
1
36
13
9
32
A5
4
3
2
1
SP_L
SP_R
JK5001
HDMI
1
JK5000
HDMI
2
B(
0-
7)
,G
(0
-7
),R(
07)
,
HD(EN,H
S,V
S
),I2(
S
CL,
S
W
S
,SD
I)
(1,3,4,
6
,7,
9
,10
,12)
(1,3,4,
6
,7,
9
,10
,12)
IC500
3
[C
1
A
B
00
002
848]
HDM
I RECEIV
ER
39,40
,43,
44,
47,48
,51,
52
58,5
9,62
,63,
66,67
,70,
71
110,1
11,
113,
114
,
116,1
17,
118,
119
,
123,1
24,
125,
126
,
129,1
30,
131,
132
,
133,1
36,
137,
140
,
141,1
42,
143,
144
,
1,2,3,
84,
85,8
6
50-5
7
58-6
5
66-7
3
38-
40,
47-
49
A2
2
4
8
12
14
16
20
TX
0
-
TX
0
+
TX
1
-
TX
1
+
TX
2
-
TX
2
+
TC
L
K
-
TC
L
K
+
TX
3
-
TX
3
+
141
140
138
137
135
134
132
131
129
128
TO LCD PA
NEL
6
10
18
TX
0
-
TX
0
+
TX
1
-
TX
1
+
TX
2
-
TX
2
+
TC
L
K
-
TC
L
K
+
TX
3
-
TX
3
+
14
A-
B
O
A
R
D
Power Supply Block Diagram
POWER UNIT
A
1
1
2
8
5
7
21
20
A2
26-30
LCD PANE
L
K
-BOA
RD
A4
1
3
K1
1
3
SW2501
R
EL
A
Y_5V6
STB
_
5V
R
EL
A
Y_5V6
STB
Y
_5V
V-BO
A
R
D
A
8
1
V
1
1
Q100
4
Q100
2
D
1001
R
M
1001
V
CC
SN
255
1
9,16
18
30V
5V_S
IG
TUNER
A1
3
3
3.3
V
_
HDMI
STB
Y
3.3V
12V
STB
Y
_5V6
24
V
15V
R
EL
A
Y_5V6
5V6_
SW
STB
Y
1.8V
IC3801
4
REGUL
A
T
O
R
5
LCF’s
VSU
PFE_
1.8
V
VSU
PD
IG_
1.8
V
VSU
LVD
S_1
.8V
R
3871
15V
15V
_WS
D3
8
6
4
D
3863
30V
24V
30V
5V6_
SW
STB
Y
3.3V
IC3806
2
REGUL
A
T
O
R
5
VSU
PVO
_3.
3V
VSU
PC
OM
_3.
3
V
V
SU
PD
R
I_3.
3V
LCF’s
VSU
PDA
C
_3.3V
VSU
PD
IG_
3.3
V
V
SU
LVD
S_3
.3V
VSU
IO1
_3.
3
V
V
SU
PFE_
3.3
V
5V6_
SW
5V_S
IG
IC3813
4
REGUL
A
T
O
R
5
VSU
PSIF
_5V
LCF
24V
12V
IC3810
2
IC for P
S
3
3V3_H
D
1V8_H
D
IC3808
5,8
REGUL
A
T
O
R
1
3.3V
_H
D
M
I
L380
9
15V_
S
W
8V
IC3809
3
REGUL
A
T
O
R
1
LCF
VSU
P
A
U
_
8V
Q380
3
STB
Y
3.3V
3.3V
_H
D
M
I
STB
Y
3.3V
12V
IC3812
2
V
olta
ge
Det
ect
in
g
IC
1
3V3_
PVC
C
3V3_
A
V
CC
3V3_
XT
A
L
IC5003
5,6,
7,1
6
,2
6,7
6
,8
9,1
09,
122
,13
4
22,2
3
,3
5,7
4
,7
9,9
2
,9
4,
105,
11
4,1
28,
139
37,5
5
38,4
2
,4
6,5
0
,5
7,6
1
,6
5,
69
98
99
3V3_H
D
1V8_H
D
3V3_
R
EG
HDM
I RECEIV
ER
18
36
45,7
5
77
86
,96
,11
4
124
127,
13
3,1
39,
150
,15
6
142
164
169
,18
5
170
192
197
VSU
P
A
U
_
8V
VSU
PSIF
_
5V
VSU
PD
IG _3.
3V
V
SU
PD
R
I_3.
3V
VSU
PC
OM
_3.
3V
VSU
IO1
_3.
3V
VSU
PD
IG_
1.8
V
VSU
LVD
S_ 3,3
V
VSU
LVD
S_1
,8V
VSU
PDA
C
_3,3V
V
SU
PFE_
1,8
V
V
SU
PFE_
3,3
V
V
SU
PVO
_3,
3V
V
SU
PIO
3_3
,3V
A
U
ID
O V
IDE
O
PRO
C
E
SSO
R
IC1501
33
115
3.3
V_H
D
M
I
3V3_H
D
LCF
3V3_
XT
A
L
3V3_R
EG
3
V
3
_
P
V
CC
3V3_
A
V
C
C
IC3400
13
RGB SW
IT
CH
5V_S
IG
IC2350
8
A
UDI
O
A
M
P
5V_S
IG
IC5001
8
EE
PRO
M
EDID
5V_M
IX
ED
_P0
IC5002
8
EE
PRO
M
EDID
5V_M
IX
ED
_P1
3V3_H
D
3V3_H
D
Q500
0
Q500
3
IC250
7,8,
15,
16,
29,3
0,3
7
,
40,3
8
A
UDI
O
A
M
P
15V_
SW
IC1220
8
LOGI
C I
C
STB
Y
5V
IC1500
2
RES
E
T
IC
STB
Y
3.3V
Q172
1
BA
CK
L
IG
H
T
3.3V
_H
D
M
I
LEVEL SH
IFTER
STB
Y
3.3V
Q110
1
Q110
0
VIDEO S
W
ITCH
5V_S
IG
Q320
2
Q320
5
Q320
1
Q320
4
R
3860
STB
Y
5V
CE
C3
.8
V
R3
8
2
8
STB
Y
5V
5V6_
SW
HDMI CE
C
STB
Y
3.3V
Q120
8
Q120
9
CE
C3
.8
V
HDMI_
DE
TE
CTION_
P
0
5_SI
G
Q500
1
3V3_H
D
D
5000
5V_M
IX
ED
_P0
HDMI_
DE
TE
CTION_
P
1
5_SI
G
Q500
4
3V3_H
D
D
5003
5V_M
IX
ED
_P1
A
-BO
A
RD
A1
1
1
STB
Y
3.3V
SERVIC
E
PROTECTION
30V
5V_S
IG
3.3V
_H
D
M
I
12V
15V
8V
TV_S
W
ITCH_PROT
5V6_
SW
STB
Y
3.3V
STB
Y
1.8V
STB
Y
_5V6
Q382
7
Q382
9
D
3886
STB
Y
3.3V
Q382
0
Q382
1
Q382
2
Q382
3
D
1101
D
1102
5V_S
IG
15
REM
O
T
E
A8
5
6
V
1
5
V - BO
A
R
D
6
A
I_
S
EN
SO
R
2
2
R_LED
_
ON
REM
O
T
E
A
I_
S
EN
SO
R
4
4
G_
LE
D_
ON
R_LED
_
ON
G_
LE
D_
ON
D1001
Q100
4
Q100
2
Q101
0
RM1001
REM
O
T
E
CONT
ROL
SN
255
1
A7
G51
G -
BO
A
R
D
2
2
HP_
SEN
S
E
JK3700
AV3
HP_
SEN
S
E
A4
K1
K
-
BOA
RD
4
4
A
L
L_
OFF_
D
E
T
SW2501
A
L
L_
OFF_
D
E
T
A
10
1
KEY
S
C
A
N
K
EY C
O
NT
RO
L
TU001
13
SCL_T
UNER
14
SD
A
_T
UNER
A1
6
POWER UNI
T
T
V
_SUB_O
N
_
R
EL
A
Y
_O
N
A
13
5
2
PW
M
_DI
M
4
INV_O
N
INV_
SO
S
LCD PANE
L
CN1
KEY
S
C
A
N
IC1501
C5Z
B
Z
00
000
37
A
U
D
IO V
IDE
O
PRO
C
E
SSO
R
2
HD
M
I_5V_D
ET
1
REM
O
T
E
3
PA
N
E
L OFF
83
SCL
3
V3
A
V
_LINK
_
IN
201
AV
_
L
IN
K
_
O
U
T
200
47
HDVS
48
HDEN
49
HCLK
84,2
03
SD
A
3
V
3
87
HD
M
I_CEC_O
UT
88
HD
M
I_CEC_IN
89
T
V
_SUB_ON_
R
EL
A
Y
_
O
N
91
INVERT
E
R_O
F
F
92
PC_INPUT
115
HD
M
I_RST
116
RGB_SW
IT
CH
159
A
I_
SEN
SO
R
AV
1
_
S
L
O
W
161
KEY
S
C
A
N
162
HDM
I_HPD_P0
165
HDM
I_HPD_P1
166
BA
CK
L
IG
H
T_
P
W
M
167
HDHS
171
BUS_R
EQ
U
EST
204
R_LED_ON
208
7
PRO
T
ECT
IO
N
REM
O
T
E
HDM
I_5V_DET
PRO
T
ECT
IO
N
HDVS
HDEN
HCLK
SD
A
3
V3
SCL
3
V3
INVE
RT
ER_O
F
F
Q121
7
T
V
_SUB_O
N
_
R
EL
A
Y
_O
N
PC_IN
P
UT
HDM
I_RST
RGB_SW
IT
CH
R_LED_ON
BUS_R
EQ
U
EST
A
V
_LINK
_
IN
AV
_
L
IN
K
_
O
U
T
HDHS
BA
CK
L
IG
H
T_
P
W
M
HDM
I_HPD_P1
HDM
I_HPD_P0
KEY
S
C
A
N
A
V
1_F
BL
EDID_W
P_DI
S
A
BL
E
A
I_
S
EN
SO
R
A
V
2_F
BL
A
V
1_F
BL
175
A
V
2_F
BL
183
A
UDI
O
_
M
U
TE
205
A
UDI
O
_
M
U
TE
160
A
V
2_SL
O
W
AV
2
_
S
L
O
W
EDID_W
P_DI
S
A
BL
E
199
G_
LE
D_
ON
202
CEC_
P0
Q120
7
Q120
9
PA
N
E
L_
O
F
F
6
SUPPL
Y
D
E
T
E
CT
SUP
P
LY
DET
E
CT
8
E
A
ROM
_
VCC_OFF
E
A
ROM
_
VCC_OFF
CEC_
P1
A
V
1_
IS_Q
L
INK
A
V
1_
IS_Q
L
INK
198
G_
LE
D_
ON
Control Block Diagram
A1
1
7
2
SD
A
3
V3
6
BUS_R
EQ
U
EST
SCL
3
V3
SERVICE
2
HDHS
1
HDEN
3
HDVS
30
SCL
3V3_
P
1
27
SD
A
3
V3
28
SCL
3
V3
29
SD
A
3
V3_
P
1
31
SD
A
3
V3_
P
0
32
SCL
3V3_
P
0
HDM
I_5V_DET
_P1
33
HDM
I_5V_DET
_P0
34
XT
A
L
_O
UT
96
XT
A
L
_IN
97
HDM
I_RST
10
2
HDEN
HDHS
HDVS
SD
A
3
V3
SCL
3
V3
SD
A
_
3V3
_
P
1
S
C
L
_
3V
3_
P
1
SD
A
_
3V3
_
P
0
S
C
L
_
3V
3_
P
0
D
5032
D
5033
HDM
I_5V_DET
HDM
I_5V_DET
_P1
HDM
I_5V_DET
_P0
MU
T
E
_
O
U
T
HDM
I_RS
T
X50
00
Q500
8
Q500
7
HCLK
121
HCLK
IC5003
C1
A
B
0
000
284
8
HDM
I RECEIV
ER
PRO
T
ECT
IO
N
PROTECTION
30V
3,3V_HDMI
8V
15V
5V_SIG
INV_
SO
S
INVE
RT
ER_O
F
F
12V
SD
A
_
P1
SCL
_
P1
SD
A
_
P0
A
V
1 21 PIN S
C
A
R
T
8
AV1_SLOW
16 AV1
_
FBL
HDMI2
13
CEC_P1
16
SDA_P1
15
SCL_P1
18
+5V_HDMI_P1
HDMI1
13
CEC_P0
16
SDA_P0
15
SCL_P0
18
+5V_HDMI_P0
A
V
2 21 PIN S
C
A
R
T
8
AV2 _SLOW
16
AV2_FBL
IC5002
6
SCL
_
P1
5
SD
A
_
P
1
EDID_W
P_DI
S
A
BL
E
7
SCL
_
P0
Q500
5
HDM
I_HPD_P1
C3EBD
C
00
006
7
6
SCL
_
P0
5
SD
A
_
P
0
EDID_W
P_DI
S
A
BL
E
7
HPDT
_5V_
P
1
Q500
4
HDM
I_5V_DET
_P1
+5
V_HDM
I_P1
Q500
3
SD
A
_
3V3
_
P
1
SD
A
_
P1
S
C
L
_
3V
3_
P
1
SCL
_
P1
Q500
0
SD
A
_
3V3
_
P
0
SD
A
_
P0
S
C
L
_
3V
3_
P
0
SCL
_
P0
Q500
2
HDM
I_HPD_P0
HPDT
_5V_
P
0
Q500
1
HDM
I_5V_DET
_P0
+5
V_HDM
I_P0
Q501
1
Q501
2
EDID_W
P_DI
S
A
BL
E
10
AV1_QLINK
10
AV2_QLINK
IC1120
SCL3V3
6
SDA3V3
5
19
HPDT_5V_P1
19
HPDT_5V_P0
IC5001
C3EBD
C
00
006
7
EE
PRO
M
AV
1
_
S
L
O
W
BA
CK
L
IG
H
T_
P
W
M
P
W
M_
D
IM
Q172
1
Sense Mu
te
MAIN_MUTE_IC
HP_SENSE
MAIN_SENSE_MUTE
HP_MUTE_IC
A7
2
HP_
SEN
S
E
G51
2
G -
BO
A
R
D
JK3700
HP_MUTE
HW Mute
MAIN_MUTE
5V6_SW_ON
HP_MUTE_IC
ALL_OFF_DET
SW Mute
AUDIO_MUTE
MAIN_MUTE
MAIN_MUTE_IC
TV s
w
itch
PROT
SWITCH_HOLD_ON
5V6_SW_ON
90
SW
IT
CH_HOLD_ON
SW
IT
CH
_
HOLD
_
ON
Q110
0
Q110
1
LEVEL
SHIFTER
SCL_T
UNER
SD
A
_
T
UNER
SCL3V3
SDA3V3
SOFT
SWI
T
CH
5V6_SW_ON
ALL_OFF_DET
IC1220
C0JB
A
S
00
02
15
L
OGI
C I
C
1,6
AV
_
L
IN
K
_
O
U
T
5
A
V
1
_
QLINK
3
A
V
1
_
IS
_QLINK
AV
_
L
IN
K
_
O
U
T
Q123
2
8
A
V
_L
INK_I
N
A
V
_LINK
_
IN
Q123
1
Q122
9
Q123
0
A
V
1_
IS_Q
L
INK
Q122
1
Q122
2
A
V
1_Q
L
IN
K
2
A
V
2
_
QLINK
A
V
2_Q
L
IN
K
IC3400
12,7,2
RGB
SW
IT
CH
RGB_SWITCH
IC250
20
A
UDI
O
AM
P
MAIN_SENSE_MUTE
IC1500
1
RES
E
T
IC
EAROM_VCC_OFF
IC2350
2
A
UDI
O
AM
P
HP_MUTE
IC3810
7
IC
PANEL_OFF
IC3812
1
V
OLT
A
G
E
DET
E
CT
ING IC
SUP
P
L
Y
_DET
ECT
A
-
BOA
RD
JK3003
PC
HDHS
HDVS
Q300
4
Q300
3
13
14
PC_IN
P
UT
POWER
AR
E
A_
P
R
O
T
T
V
_SUB_O
N
_
R
EL
A
Y
_O
N
INV_O
N
INVE
RT
ER_O
F
F
Q383
1
Q120
8
P2
16
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