TX-L42ET60B, TX-L42ET60Y, TX-LR42ET60 - Panasonic TV Service Manual (repair manual). Page 12

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Setting Inspection 
Voltage Confirmation 
 
  
 
A board 
 
 
Description Test 
point 
Voltage 
PANEL12V 
TP4000 / TP4001 
11.5V – 12.5V 
SUB5V TP0900
 
4.95V - 5.4V 
SUB3.3V 
TP5400 
3.17V – 3.43V 
SUB1.8V 
TP8714 
1.70V – 1.90V 
SUB 1.5 V 
TP8100 
1.435V - 1.585V 
SUB1.2V 
TP8101 
1.14V - 1.26V 
USB5V 
TP5440 
4.94V – 5.40V 
DMD_1.2/1.1V 
TP5703 
1.1V – 1.21V 
 
 
 
P board
 
 
 
 
Description Test 
point 
Voltage* 
Voltage** 
24V (PANEL) 
TP7407 and GND TP7414 
<1V 
24V ± 1.2V 
16V 
TP7410 and GND TP7414 
<1V 
15.7V ± 0.6V 
5VS 
TP7501 and GND TP7414 
5.3V ± 0.2V 
5.3V ± 0.2V 
PFC 
TP7202 and GND TP7203***
<340V 
390V ± 15V 
                   
                       *  Connect AC 230V to JK7101 connector 
                      ** Connect DC 2.5V to TV_SUB_ON P2 connector – pin 8 /TP7416/ from voltage divider. 
                      ***Beware, for testing of PFC use the GND (TP7203) in Hot area of P board – risk of electric shock!     
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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