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Panasonic Manuals
LCD TV
Viera TX-L42WT50B
Service manual
Block Diagram (1 Of 2) - Panasonic TX-L42WT50B Service Manual
La34 chassis
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Operating instructions manual
(128 pages)
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Block Diagram (1/2)
16V
LNB_PWR
20
33
IC6851
DISEQC
22
32
[C1AB00003807]
SDA/SCL
SUB1.8V
LNB
2
8,7
SI_3.3V
12,13,14,
FE_1.2V/2.5V
18
TU_1.2V/2.5V
20
IF2P/N
4,5
IFAGC2
3
Parallel TS
21-31
SAT EN
1
DMD_IIC1
15,16
SDA/SCL
FE_XRST
6
FE_XRST
IFAGC1
9
IFAGC1
10,11
IF1_P,N
IF1_P,N
DMD_IIC0
SDA/SCL
7,8
V1
11
AV1_VIN
R3
R3
18
AV1_RED/C
4
G3
G3
15
AV1_GREEN
2
B3
B3
AV1_BLUE
13
64
R5IN
8
46
AV1_RIN
L5IN
IC3001
7
AV1_LIN
45
L1OUT
5
34
(C1AB00003385)
AV1_LOUT
R1OUT
4
33
AV1_ROUT
VOUT
2
AV1_VOUT
30,31
R2
PC-R
1
16
G2
PC-G
2
14
B2
3
PC-B
12
R1
Y
10
G1
PB
6
B1
PR
8
L
38
39
LIN3_LP
L
R
LIN3_RP
R
L
HP1_L
HP1_R
IECOUT
SUB3.3V
HP_MUTE
Q4971
Q4972
RX3
HPD3
5VDET3
DDCSDA3
DDCSCL3
CEC
ARCOUT
RX2
HPD2
5VDET2
DDCSDA2
DDCSCL2
CEC
RX1
HPD1
5VDET1
DDCSDA1
DDCSCL1
CEC
RX0
HPD0
5VDET0
DDCSDA0
DDCSCL0
CEC
JK1070
CI SLOT
17,18
51,52
SUB3.3V
FE_XRST
29
IC6900
TU_1.2V/2.5V
IFAGC2
48
[C1AB00003808]
T2FEAIN_P,N
DVB-T/T2/C DEM
38,37
Parallel TS
3,4,5,8,9,12
34 35
13,14,15,16,17
X6900
DMD_ IIC1
HSBCLKOUT
HS0BCLKIN
HSSYNCOUT
HS0SYNCIN
HSVALOUT
HS0VALIN
HSDOUT[0;7]
HS0DIN[0;7]
FE_XRST
IFAGC1
TUNER I2C
IF1_P,N
AM10, AN10
AP17
R
59
AN16
Video Input
G
55
AL16
B
AM17
57
P_HIN
56
AN18
Video (PC) Input
P_VIN
58
AL17
Video Output
AM19
52
SUB9V
SUB5V
SUB3.3V
LO1_L
36
AM13
LO1_R
37
AN13
HP1_L
AP14
Audio Output
HP1_R
AP13
IECOUT
AN12
ARCOUT
AE29
USB POWER CTRL
USB I/F
HDMI I/F
RX3
31
30
3
4
3
3
4
1
6
1
6
1
6
1
2
3
1
2
3
1
JK8450
JK8451
JK8452
USB3
USB1
CN8660
SD SLOT
IC8900
NAND FLASH
IC8200
IC8201
IC8202
IC8203
DDR3
DDR3
DDR3
DDR3
DDR3 I/F
IC8000
[MN2WS0235E]
PRO4
RMII_RXD0,RXD1
RMII_TXD0,TXD1
RMII_REFCLK,TXEN,
CRS_DV,RXER
MDIO,MDC,INTL,
PHYRSTL
5
3
3
1,7,12,16,19,
7,14,30 31 32
25,34,37,38,44
IC8600
IC8458
[AN34043AAVF]
ANALOG ASIC
USB HUB
[C1CB00003736]
LAN CONTROLER
17
18
43
42
5
6
9
10
2
6
1
3
4
5
6
4
3
4
8
6
3
1
T8600
9
11
14
16
1
6
BT_LR
2
3
1
2
3
1
2
3
6
11
CN0100
JK8600
A20
SERVICE
BLUETOOTH
ETHERNET
USB2
WiFi
27
SP_L
SP_R
Woofer
1
2
3
4
5
6
L-
L+
R+
R-
Wo- Wo+
11,12
14,15
26,27
29,30
11,12
14,15
IC8902
EEPROM PRO4
IC4900
IC4901
16V
[C1AB00003871]
[C1AB00003871]
17,18,23,24,31
17,18,31
AUDIO AMP
AUDIO AMP
16V
22
2
3
32
1
32
2
STM
Y6
AB7
AB5
AA6
W6
AL30
BE COMMON I/O
AUDIO OUT
STB3.3V
STB1.1V
SUB1.1V
SUB1.8V
SUB1.5V
SUB3.3V
LVDS I/F
BE I2C
BT_LR
OENB
OEBLK
LOGO_ON
IC2002
STM
Operational
4
HDMI I/F
LP_FB
R8637
VJ8660
3
IC8706
REG
4,1
28
12
23
1
IC8660
REG
8
IC5000
5
IC8404
REG
1
14
15
30 31
32
OVP SOS
1
IC8702
REG
8,5
9
11
10
TO P2
TO K10 / LP10 / RM10
A-BOARD
[EXCHANGE UNIT]
1
3
VDDSD18V33V
WOL3.3V
HDMI3.3V
A16
RX1AN,P; RX1BN,P
RX1CN,P; RX1CLKN,P
19,20,21,22,
RX1DN,P;RX1EN,P
24,25,27,28
29,30,31,32
RX0AN,P; RX0BN,P
RX0CN,P; RX0CLKN,P
34,35,36,37
RX0DN,P; RX0EN,P
39,40,42,43
44,45,46,47
SDA,SCL
54,55
59
57
56
49
PNL12V
1-9
16V
8
IC8101
AMP
SUB1.5V
Step_down
6
5
CONVERTER
SUB3.3V
16V
IC8100
9
WOL3.3V
Step_down
SUB1.1V
1,14
CONVERTER
SUB3.3V
SUB3.3V
1
IC5720
VDDSD18V33V
FE_1.2V/2.5V
5
REG
SUB3.3V
16V
2
IC5780
TU_1.2V
3
REG
HDMI3.3V
16V
8
IC5440
SUB5V
USB5V
7
REG
SUB3.3V
SUB5V
16V
2
IC5420
SUB5V
3
REG
SUB_CI_5V
SUB5V
16V
2
IC5400
SUB3.3V
REG
3
SUB1.8V
SUB3.3V
16V
4
IC5300
PNL12V
9
REG
SUB_AI_3.3V
SUB3.3V
R2003
SI_3.3V
SAT3.3V
L6707
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This manual is also suitable for:
Tx-l47wt50b
Tx-l47wt50y
Tx-lr47wt50
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