Read Panasonic TX-32LM70FA / TX-32LM70LA / TX-32LM70PA / TX-26LM70FA / TX-26LM70L / TX-26LM70PA / TX-R32LM70A / TX-R26LM70A Service Manual online
Q121
2
IR
TUNER
SD
A
3
,3
V
33V
5V
B1
B
-
BOA
RD
SCL
3
,3
V
14
SD
A
_
T
UNER
13
SCL_T
UNER
BUS_R
EQ
U
EST
B2
2
7
6
SERVICE
7
9
5
6
8
RM1050
REM
O
T
E
CONT
ROL
ROUT
BA
T
S
V
- BO
A
R
D
D
1051
V2
4
PC
106
0
ST
BY
_L
ED
1
2
IR
3
IRD_LE
D
14
PC801
B3P
A
A
0
00
03
63
KEY
S
C
A
N
P - BO
A
R
D
LOC
A
L KE
Y
S
SWITC
H
ING
MA
TR
IX
Q834
PO
W
E
R SUP
P
L
Y
K
EY C
O
NT
RO
L
PO
W
E
R SUP
P
L
Y
24
V
Q832
Q831
IC1501
V
CT
69XY
P
VIDEO
PRO
C
ES
SO
R
2
HD
M
I_5V_D
ET
1
IR
3
PA
N
E
L ON
83
SCL
3
,3V
IRD_LE
D
202
A
V
_LIN
K_IN
201
AV
_
L
IN
K
_
O
U
T
200
EDID_W
P_DI
S
A
BL
E
199
A
V
1 I
S
Q
L
INK
198
47
HDVS
48
HDEN
49
HCLK
84
SD
A
3
,3
V
87
HD
M
I_CEC_O
UT
88
HD
M
I_CEC_IN
89
NO
T
_
ST
B
Y
90
INV_PS
U_O
N
91
INVERT
E
R_O
F
F
92
HD
M
I_INT
115
HD
M
I_RST
116
HD
M
I_S
M
U
T
E
_INHIB
IT
159
A
I_
O
FF
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
WR
E
N
168
HDHS
171
S
D
A
3V
3
203
BUS_R
EQ
U
EST
204
ST
BY
_L
ED
208
7
PRO
T
ECT
IO
N
A
V
1_F
BL
175
A
V
2_F
BL
183
A
UDI
O
_
M
U
TE
205
160
AV
2
_
S
L
O
W
A8
4
1
2
3
IR
IC5003
SII9
023CT
U
HDM
I RECEIV
ER
2
HDHS
1
HDEN
3
HDVS
30
SCL
3
,3V_
P1
27
SD
A
3
,3
V
28
SCL
3
,3V
29
S
D
A
3
,3
V_
P1
31
S
D
A
3
,3
V_
P0
32
SCL
3
,3V_
P0
HDM
I_5V_DET
_P1
33
HDM
I_5V_DET
_P0
34
MU
T
E
_
O
U
T
77
XT
A
L
_O
UT
96
XT
A
L
_IN
97
HDM
I_RST
10
2
HDM
I_SCDET
103
HDM
I_IN
T
10
4
D
5032
D
5033
HDM
I_5V_DET
HDM
I_5V_DET
_P1
HDM
I_5V_DET
_P0
HDM
I_5V_DET
HCLK
121
Q170
1
LCD P
A
N
E
L 5
V
Q170
0
PRO
T
ECT
IO
N
PRO
T
ECT
IO
N
PROTECTION
30V
3,3V_HDMI
8V
5V
STBY3,3V
HDEN
HDHS
HDVS
HDVS
HDEN
HCLK
IC1120
EA
R
O
M
SCL
6
EEPROM_SDA
5
SCL
3
,3
V
SD
A
3
,3
V
CEC_
3,3
V
Q120
7
Q120
8
Q120
9
D
1
201
Q121
7
NOT
_
ST
B
Y
INV_
PS
U_O
N
Q380
7
INV
_
OFF
HDM
I_IN
T
HDM
I_IN
T
HCLK
HDHS
HDM
I_RST
HDM
I_RST
HDM
I_S
M
U
T
E_INHIBIT
B
A
T
S
OFF
AV
2
_
S
L
O
W
A1
0
3
ST
BY
_L
ED
Q121
3
A
UDI
O
_
M
U
TE
BUS_R
EQ
U
EST
A
V
_LINK
_
IN
AV
_
L
IN
K
_
O
U
T
EDID_W
P_DI
S
A
BL
E
A
V
2_F
BL
A
V
1_F
BL
WR
E
N
BA
CK
L
IG
H
T_
P
W
M
HDM
I_HPD_P1
HDM
I_HPD_P0
KEY
S
C
A
N
AV
1
_
S
L
O
W
HDM
I_SCDET
X
500
0
MU
T
E
_
O
U
T
SD
A
3
,3
V
SCL
3
,3
V
Q500
8
Q500
7
LCD PANE
L
S
D
A
3
,3
V_
P1
SCL
3
,3
V_
P1
S
D
A
3
,3
V_
P0
SCL
3
,3
V_
P0
Q500
0
S
D
A
_
3
,3V
_P
0
SD
A
_
P0
SCL
_
P0
Q500
1
HDM
I_5V_DET
_P0
+5
V_HDM
I_P0
CEC
CEC_
3,3
V
Q500
5
HDM
I_HPD_P1
HPDT
_5V_
P
1
Q500
4
HDM
I_5V_DET
_P1
+5
V_HDM
I_P1
Q500
3
S
D
A
_
3
,3V
_P
1
SD
A
_
P1
SCL
_3,
3V
_P
1
SCL
_
P1
Q500
2
HDM
I_HPD_P0
HPDT
_5V_
P
0
SD
A
_
P1
SCL
_
P1
SD
A
_
P0
IC5002
C3EBF
C
000
037
6
SCL
_
P1
5
SD
A
_
P
1
EDID_W
P_DI
S
A
BL
E
7
SCL
_
P0
IC5001
C3EBF
C
000
037
6
SCL
_
P0
5
SD
A
_
P
0
EDID_W
P_DI
S
A
BL
E
7
Q501
1
Q501
2
EDID_W
P_DI
S
A
BL
E
BA
CK
L
IG
H
T_
P
W
M
PW
M
_
O
U
T
Q172
1
HP Mute
HP_M
UT
E
HDM
I_HP_M
U
T
E
HDMI_SMUTE_INHIBIT
HDMI_AUDIO_MUTE
AM
P
M
u
te
HDMI_HP_MUTE
AUDIO _MUTE
IC252
EN
A
B
L
E
7
IC251
EN
A
B
L
E
7
C1BB0
000
099
8
C1BB0
000
099
8
Q110
0
Q110
1
LEVEL
SHIFTER
SCL_T
UNER
SD
A
_
T
UNER
SCL
35
SD
A
36
SCL3,3V
SDA3,3V
IC3300
POWER
SU
PPLY
Q380
1
12V
Q380
4
STB
Y
3.3V
A1
7
6
9
8
5
HDMI m
u
te
HDM
I_SCDET
HDM
I_
A
UDIO_M
U
T
E
HDM
I_
M
U
T
E
MU
T
E
_
O
U
T
IC1220
C0
JB
A
S
00
021
5
M
U
LTIPL
E
X
E
R
5
A
V
1 QLINK
2
A
V
2 QLINK
6,1
A
V
LINK OUT
8
A
V
LINK
IN
3
A
V
1 I
S
QLINK
A
V
1 21 PI
N SC
A
R
T
8
AV1_SLOW
16
FBL1
HDMI2
13
CEC
16
SDA_P1
15
SCL_P1
18
+5V_HDMI_P1
HDMI1
13
CEC
16
SDA_P0
15
SCL_P0
18
+5V_HDMI_P0
A
V
2 21 PI
N SC
A
R
T
8
AV2 SLOW
16
FBL2
10
AV1_QLINK
10
AV2_QLINK
19
HPDT_P1
19
HPDT_P0
P3
11 12
14
23
P2
A7
23
1
1
3
2
5
23
3
2
5
PANEL SOS
INVERTER ON
PWM DIM
IRD_P
S
U
_
ON
BA
T
S
ST
BY
_L
ED
IRD_LE
D
KEY
S
C
A
N
INV_
PS
U_O
N
SD
A
3
,3
V
SCL
3
,3
V
SD
A
_
T
UNER
SCL_T
UNER
BUS_R
EQ
U
EST
Q138
0
IC1380
6
HD
M
I_
M
U
T
E
5
HD
M
I_SM
U
T
E
_INHIBIT
HDM
I_S
M
U
T
E_INHIBIT
HDM
I_
M
U
T
E
Control Block Diagram
A
-
BOA
RD
SCL
_3,
3V
_P
0
IRD LED
SD
A
3
V
3
A
V
1
I
S
Q
L
INK
WR EN
7
Click on the first or last page to see other TX-32LM70FA / TX-32LM70LA / TX-32LM70PA / TX-26LM70FA / TX-26LM70L / TX-26LM70PA / TX-R32LM70A / TX-R26LM70A service manuals if exist.