Read Panasonic KX-NS5162XSX Service Manual online
11
KX-NS5162X/KX-NS5162SX
7.2.
Cannot Talk To Doorphone
Which pass is NG?
OK
OK
NG
cable & pin assign check.
Connect the cable & pin-press
correctly.
NG
Check corrector of Q102A/B.
talk:15V
Check R103A/B, R104A/B,
T100A/B, L100A/B, L101A/B.
Check corrector of Q103A/B.
talk:0.1V
NG
Check signal "BUSY[0]/[1]"
talk:3.3V
NG
check IC100, CN100, CN101
and around parts.
OK
OK
Check μ -law/A-law mode
Replace Q103A/B
Replace Q102A/B
OK
OK
Check IC102A/B-pin10.
talk:High (PDN[0]/[1])
NG
Check IC100-pin98/97.
talk:High (PDN[0]/[1])
talk:High (PDN[0]/[1])
OK
Replace R226/R190
NG
check IC100, CN100, CN101
and around parts.
Check C104A/B, C108A/B,
R110A/B, R117A/B
OK
Tx
Check wave form of
TP"4MHzA/B"
Replase NG parts
OK
Check C105A/B, Q105A/B, Q106A/B,
IC103A/B & around parts.
Check IC102A/B and around
parts
Rx
Extention to Doorphone
Doorphone to Extention
NG
Collect μ-law/A-law mode
NG
Check pin23(HW_CLK5) of
CN101/CN100
OK
Check wave form of
TP"CH_SYNC1/2"
NG
Check other cards
NG
Check pin36(HW_FH5) of
CN101/CN100
NG
check IC100, CN100, CN101
and around parts.
OK
check IC100, CN100, CN101
and around parts.
OK
Check other cards
OK
NG
Check IC102A/B and around parts
Replase NG parts
NG
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