9
3.3.2.
Check Link
3.3.2.1.
Handset
[Changed from original section “10.1.5.2. Handset”]
Cross Reference:
Power Supply Circuit/Reset Circuit
Note:
(*1) Refer to
(*2) Refer to
Check Point (Handset)
(H).
Check around
Power Supply Circuit/Reset Circuit
.
Check BBIC (IC1)
Does Handset make link with Base Unit?
(Correct working unit)
Check around X1 and adjust clock frequency.
(*2)
NO
NO
NO
NO
Is the voltage of "1.8V" about 1.8 V?
(*1)
YES
YES
YES
YES
Is the voltage of CP3V about 3.0 V?
(*1)
Does the RF clock (CKM) oscillate: 10.368 MHz
in Handset Test Mode?
Handset is OK. Check Base Unit.
YES
OK
Check the RF part.
NO
NO
Adjust 1.8V voltage to 1.8 V.
Is the voltage of CP4V about 4.0V?
(*1)
(When LED is ON)
