Read Panasonic KX-MB2110RUW / KX-MB2130RUW / KX-MB2170RUW / KX-MB2117RUB / KX-MB2137RUB / KX-MB2177RUB (serv.man3) Service Manual Supplement online
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KX-MB2110RUW/KX-MB2130RUW/KX-MB2170RUW/KX-MB2117RUB/KX-MB2137RUB/KX-MB2177RUB
1.4.1.1.2.
Broken Parts Repair Details
Changed from the Original Service Manual section 12.3.23.3.
(RC1)
If RC1 is short-circuit, F1 will melt (open).
In this case, replace the parts (RC1 and F1).
(Q1)
The worst case of Q1 is a short-circuit between the Drain and Gate because damage expands to the peripheral
circuit of Q1. This is due to a very high voltage through the Gate circuit, which is composed of IC1. You should
change all of the parts listed as follows.
If RC1 is short-circuit, F1 will melt (open).
In this case, replace the parts (RC1 and F1).
(Q1)
The worst case of Q1 is a short-circuit between the Drain and Gate because damage expands to the peripheral
circuit of Q1. This is due to a very high voltage through the Gate circuit, which is composed of IC1. You should
change all of the parts listed as follows.
F1, Q1, IC1
(C2)
If over voltage (more than AC320V) was supplied for a Low Voltage Power Supply board (SMPS Board), C2 will be broken.
(F2)
If F2 is melted (open), check the 24V lines of the Main board and others.
If over voltage (more than AC320V) was supplied for a Low Voltage Power Supply board (SMPS Board), C2 will be broken.
(F2)
If F2 is melted (open), check the 24V lines of the Main board and others.
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