Panasonic TX-L32E30B / TX-L32E30Y / TX-L37E30B / TX-L37E30Y Service Manual ▷ View online
Service Hints
How to remove the backcover
Lay the main unit face down. (see Fig.5)
Remove the 4 fixing screws and the pedestal assembly. (see Fig.6)
Remove the 36 [34] fixing screws, 4 caps and the backcover. (see Fig.7)
Fig.7
SCREWS
(1) XTB4+15JFJK 19pcs[18]
(2) THEJ0389 15pcs[14]
(3) XTV3+10GFJK /2pcs/
(4) TKKL5521 /4pcs/
(2) THEJ0389 15pcs[14]
(3) XTV3+10GFJK /2pcs/
(4) TKKL5521 /4pcs/
SCREWS
XYN4+F30FJK /4pcs/
(1) (1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(3)
(3)
(2)
(1)
(1)
(1)
(2)
(4)
(4)
(4)
(4)
Fig.6
Fig.5
9
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,Digital Audio Out,TV tuner, SD Card
CI slot,PC,Ethernet, DVB-T/T2/C Dem, Peaks_LDA3, AV switch,
Speaker Out,EEPROM, FlashMemory, DDR SDRAM
KA-Board
Remote Receiver, Power and Timer LED,C.A.T.S.
P-BOARD
Main Input, Power Supply,Key Control, Power switch
LD-BOARD LED
DRIVER
P-BOARD
KA-BOARD
A-BOARD
A02
SP_L
A10
A12
KA10
A15
SP_R
LD2
37‘‘ A10-KA10 WIRE
37‘‘ P4-LD4 WIRE
32‘‘ A12-SP WIRE
LD-BOARD
LD4
P1
P2
P4
37‘‘ P2-A02 WIRE
37‘‘ A15-CN5 WIRE
32‘‘ P4-LD4 WIRE
32‘‘ P2-A02 WIRE
32‘‘ A15-CN5 WIRE
32‘‘ A10-KA10 WIRE
37‘‘ A12-SP WIRE
10
Technical Description
Specification of KEY for CI Plus, DTCP-IP, One-to-one and Widevine
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 LDA3 IC (IC8000) when SELF CHECK was done and are stored in both LDA3 IC
(IC8000) and EEPROM (IC8902).
Three KEY 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 LDA3 IC (IC8000) when SELF CHECK was done and are stored in both LDA3 IC
(IC8000) and EEPROM (IC8902).
Three KEY are not generated for all models.
The necessary KEY are only generated and stored depend on the feature of models.
Replacement of ICs:
When LDA3 IC (IC8000) is replaced, EEPROM (IC8902) should be also replaced with new one the same time.
When EEPROM (IC8902) is replaced, LDA3 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 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, LDA3 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 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:
Keys
Model No.
CI PLUS
DTCP-IP
Widevine
One-to-one
(for USB Rec.)
TX-L32E30B NONE
YES
YES
YES
TX-L32E30Y
YES YES YES YES
TX-L37E30B NONE
YES
YES
YES
TX-L37E30Y
YES YES YES YES
11
Setting Inspection
Voltage Confirmation
A board
Description Test
point
Voltage
SUB1.2V
TP8100
1.24V - 1.31V
SUB 1.5 V
TP8101
1.47V - 1.55V
SUB3.3V
TP5400
3.17V – 3.43V
SUB5V
TP5420
4.94V – 5.31V
USB5V
TP5440
4.94V - 5.31V
PNL12V
TP4056
11.5V – 12.5V
P board
Description Test
point
Voltage*
Voltage**
24V (PANEL)
TP7514
< 1V
24V ± 1.2V
16V
TP7503
< 1V
16.1V ± 0.7V
TUNER5V8
TP7502
5,7V ± 0,3V
5.7V ± 0.3V
PFC
TP7203
< 340V
400V ± 15V
* Connect AC 230V to P1 connector
** Connect DC 2.5V to TV_SUB_ON P2 connector – pin 8 /TP7505/ from voltage divider.
** Connect DC 2.5V to TV_SUB_ON P2 connector – pin 8 /TP7505/ from voltage divider.
12
Click on the first or last page to see other TX-L32E30B / TX-L32E30Y / TX-L37E30B / TX-L37E30Y service manuals if exist.