3. The base and handset cannot be connected.
Check whether the baseNGCheck IC4 and its
is able to set in the testperipheral circuit.
mode 8.
OK
Check the TX POWERNG
Check base RF unit.
and the TX FREQUENCY
on the base unit.
OK
Set the base in the test NGCheck whether there is aNGCheck RT3, R76, R91,
mode 10, check 250 Hz data waveform atR49, C129, C122,
whether deviation of the ?MOD? of RF unit.C33 and C52.
TX data is app. 9.0 kHz
OK
Dev.
OK
Check base RF unit.
Set the base in the test NGCheck whether there is a NGCheck IC3, Q1 and their NG
Check base RF unit.
mode 13,250 Hz data waveform atperipheral circuit.
902.952467MHz RT2 AF test point.
OK
(250 Hz ?8 kHz Dev.)
OK
1mV output signal from
RF test point is
applied. Does the
CHARGE LED light?
Check whether there is aNGCheck RT2, Q2 and their
OK250 Hz data waveform atperipheral circuit.
the Q2 collector.
OK
Check whether there is aNGCheck R27, R171, R172,
250 Hz data waveform atIC1 and their peripheral
pin 64 of IC4.circuit.
OK
Check IC4 and its
peripheral circuit.
Check whether theNGCheck IC604 and its
handset is able to set inperipheral circuit.
the test mode 1.
OK
Check the TX POWERNG
Check handset RF unit.
and the TX FREQUENCY
on the handset unit.
OK
A
? 16 ? |
ACEC
