Read Panasonic KX-NTV160NE (serv.man2) Service Manual online
13
KX-NTV160 Series
8.2.
Measure the circuit after disassembly
Before connecting to power source, measuring if VCC( VDD) to GND is short with multimeter.
Step4
A. Remove 4 screw of main board (red circle).
B. Remove 3 screws of sensor board (green circle).
B. Remove 3 screws of sensor board (green circle).
Step5
A. Ttake out sensor board and main board.
Step1
A. Turn the multimeter to resistance setting (Ω)
(with beep function).
B. Measure main board PCBA (TP14_GND) with COM probe of
(with beep function).
B. Measure main board PCBA (TP14_GND) with COM probe of
multimeter.
C. Measure main board PCBA (TP20_5V9V) with Ω probe of
multimeter, the circuit is short if there's beep sound; if not, the
circuit is normal.
circuit is normal.
Step2
A. Turn the multimeter to resistance setting (Ω)
(with beep function).
B. Measure main board PCBA (TP14_GND) with COM probe of
(with beep function).
B. Measure main board PCBA (TP14_GND) with COM probe of
multimeter.
C. Measure main board PCBA (D24_Pin1) with Ω probe of
multimeter, the circuit is short if there's beep sound; if not, the
circuit is normal.
circuit is normal.
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