Panasonic TX-L42DT50B / TX-L42DT50Y / TX-LR42DT50 / TX-L47DT50B / TX-L47DT50Y / TX-LR47DT50 Service Manual ▷ View online
Applicable Signals
Applicable input signal for PC is basically compatible to VESA standard timing.
Signal name
Horizontal frequency (kHz)
Vertical frequency (Hz)
640
480 @60 Hz
31.47 59.94
800
600 @60 Hz
37.88 60.32
852
480 @60Hz
31.44 59.89
1,024
768 @60Hz
48.36 60.00
1,280
768 @60Hz
47.70 60.00
1,280
1,024 @60Hz
63.98 60.02
1,366
768 @60Hz
48.39 60.04
Applicable input signal for PC is basically compatible to HDMI standard timing.
Signal name
Horizontal frequency (kHz)
Vertical frequency (Hz)
640
480 @60 Hz
31.47 60.00
1,280
720 @60 Hz
45.00 60.00
1,920
1,080 @60Hz
67.50 60.00
Note:
Signals other than above may not be displayed properly.
The above signals are reformatted for optimal viewing on your display.
PC signal is magnified or compressed for display, so that it may not show fine detail with sufficient clarity.
Signal name
COMPONENT
HDMI
525 (480) / 60i,60p
*
*
625 (576) / 50i, 50p
*
*
750 (720) / 60p, 50p
*
*
1,125 (1,080) / 60i, 50i
*
*
1,125 (1,080) / 60p
*
1,125 (1,080) / 50p
*
1,125 (1,080) / 24p
*
PC
(from D-sub 15P)
PC
(from HDMI terminal)
Component
(Y, Pb, Pr) (from AV2 terminal), HDMI
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Service Hints
How to remove the backcover
Remove the 1 fixing screw and WIFI DONGLE. (see Fig.5)
Remove the 1 fixing screw and BT DONGLE. (see Fig.5)
Remove the 1 fixing screw and BT DONGLE. (see Fig.5)
Remove the 28 fixing screws, 4 caps and the backcover. (see Fig.6)
How to remove the pedestal assembly.
Lay the main unit face down. (see Fig.7)
Remove the 2 fixing screws and the cover of the stand. (see Fig.8)
Remove the 4 fixing screws and the pedestal assembly. (see Fig.9)
Remove the 2 fixing screws and the cover of the stand. (see Fig.8)
Remove the 4 fixing screws and the pedestal assembly. (see Fig.9)
Fig.5
(2)
(2)
SCREWS
(2) THEC1509 /2pcs/
(1)
Fig.6
SCREWS
(1) THEC1509 /28pcs/
(3) TKKL55351 /4pcs/
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(3)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
SCREWS
(4) XYN4+F10FJK /6pcs/
Fig.8
(4) (4)
(4)
(4)
Fig.9
(4)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
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Chassis Board Layout
Location of Lead Wiring
To find the Part Number of required wire in Replacement Parts List click on the wire name in red box.
Board Name
Function
A-Board
AV Terminal, HDMI, HDMI Switch, USB, USB HUB, Digital Audio Out,
Tuner DVB-T/T2/C/S/S2, SD Card, CI slot, PC, Ethernet, Wireless LAN, Bluetooth,
Peaks IC, Speakers out, EEPROM, Flash Memory, DDR SDRAM
P-Unit
Main Input, Power Supply, Key control, Power switch
LD-Board LED
Driver
LP-Board Panabadge
LED
K-Board
Power and Timer LED, C.A.T.S
RM-Unit Remote
Receiver
TC-Unit on panel
P-Unit
K-Board
A-Board
A02
SP_L
A10
A20
K10
A15
SP_R
42” A10-K10-LP10-RM10 WIRE
42” A20-USB CABLE
P2
P4
42” A02-P2 WIRE
42” LVDS FFC
CN001
TU6702
WIFI
42” A12A-SPK-SPW WIRE
47” A02-P2 WIRE
47” LVDS FFC
47” A12A-SPK-SPW WIRE
47” A10-K10-LP10-RM10 WIRE
47” A20-USB CABLE
A21
42” P4-LD41 WIRE
47” P4-LD4 WIRE
42” A21-BT WIRE
47” A21-BT WIRE
BT
WOOFER BOX
CN100
CN700
A12A
LD-Board
LP-Board
LP10
42” LD3-CN100 CABLE
47” LD3-CN100 CABLE
RM-Unit
RM10
11
Technical Description
Specification of KEY for CI Plus, DTCP-IP, One-to-One, Widevine and Netflix
General information:
General information:
1. EEPROM (IC8902) for spare parts has the seed of KEY for each.
2. The final KEY data will be generated by LDA4 IC (IC8000) when SELF CHECK was done and are stored in both LDA4 IC
(IC8000) and EEPROM (IC8902).
All KEYs are not generated for all models.
The necessary KEY are only generated and stored depend on the feature of models.
2. The final KEY data will be generated by LDA4 IC (IC8000) when SELF CHECK was done and are stored in both LDA4 IC
(IC8000) and EEPROM (IC8902).
All KEYs are not generated for all models.
The necessary KEY are only generated and stored depend on the feature of models.
Replacement of ICs:
When LDA4 IC (IC8000) is replaced, EEPROM (IC8902) should be also replaced with new one the same time.
When EEPROM (IC8902) is replaced, LDA4 IC (IC8000) is not necessary to be replaced the same time.
After the replacement of IC, SELF CHECK should be done to generate the final KEY data.
How to SELF CHECK: While pressing [VOLUME ( - )] button on the main unit, press the STATUS button on the remote
control for more than 3 seconds.
TV will be forced to the factory shipment setting after this SELF CHECK.
When EEPROM (IC8902) is replaced, LDA4 IC (IC8000) is not necessary to be replaced the same time.
After the replacement of IC, SELF CHECK should be done to generate the final KEY data.
How to SELF CHECK: While pressing [VOLUME ( - )] button on the main unit, press the STATUS button on the remote
control for more than 3 seconds.
TV will be forced to the factory shipment setting after this SELF CHECK.
Model and Keys:
USB HDD Recording:
General information:
General information:
Digital TV programmes can be recorded in USB HDD.
A One-to-One key generated in A-board by SELF CHECK binds TV and USB-HDD for communication.
That key is only one key for them. If the key is difference, TV can not access USB-HDD.
Caution:
New key will be generated by following SELF CHECK and previous TV programmes recorded in USB HDD will not be
viewed.
SELF CHECK: While pressing [VOLUME ( - )] button on the main unit, press the STATUS button on the remote control
for more than 3 seconds
A One-to-One key generated in A-board by SELF CHECK binds TV and USB-HDD for communication.
That key is only one key for them. If the key is difference, TV can not access USB-HDD.
Caution:
New key will be generated by following SELF CHECK and previous TV programmes recorded in USB HDD will not be
viewed.
SELF CHECK: While pressing [VOLUME ( - )] button on the main unit, press the STATUS button on the remote control
for more than 3 seconds
Keys
Model No.
CI PLUS
DTCP-IP
One-to-One
(for USB Rec.)
Widevine Netflix
TX-L42DT50B Yes Yes Yes Yes Yes
TX-L42DT50Y Yes Yes Yes Yes Yes
TX-LR42DT50 Yes
TX-L42DT50Y Yes Yes Yes Yes Yes
TX-LR42DT50 Yes
None None Yes
Yes
TX-L47DT50B Yes Yes Yes Yes Yes
TX-L47DT50Y Yes Yes Yes Yes Yes
TX-LR47DT50 Yes
TX-L47DT50Y Yes Yes Yes Yes Yes
TX-LR47DT50 Yes
None None Yes
Yes
12
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