KX-NTV160NE (serv.man2) - Panasonic PBX Service Manual (repair manual). Page 14

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14
KX-NTV160 Series  
Power on the unit then measuring the main voltage DC5V and DC3.3V with multimeter.
8.3.
Assembly procedure
Step1
A. Turn the multimeter to DCV setting. 
B. Measure main board PCBA (TP14_GND) with COM probe of 
multimeter.
C. Measure main board PCBA (TP20_5V9V) with Ω probe ; 
check if the value is DC5.225V ~ 5.775V.
D. If the voltage is abnormal, check if  other component is damage.
Step2
A. Turn the multimeter to DCV setting.
B. Measure main board PCBA (TP14_GND) with COM probe of 
multimeter.
C. Measure main board PCBA (TP7_3V3) with Ω probe ; 
check if the value is DC3.13V ~ 3.46V.
D. If the voltage is abnormal, check if  other component is damage.
Step1
A. Assemble sensor board and main board back to back cover. 
Note:
Please check the position of the Rubber.
Rubber
OK
Rubber
NG
 
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