Panasonic KX-TC2101BXB, Service Manual

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8 ADJUSTMENTS (HANDSET)
If your unit has below symptoms, adjust or confirm each item using remedy column from the table.
Symptom Remedy*
The movement of Battery Low Indicator is wrong. Make confirmation in item (A)
The base unit does not respond to a call from the handset. Make adjustments in item (B)
The base unit does not transmit or the transmit frequency is off. Make adjustments in item (C)
The transmit frequency is off. Make confirmation in item (D)
The transmit power output is low, and the operating distance between the base unit and
the handset is less than normal. Make adjustments in item (E)
The reception sensitivity of the handset is low with noise. Make confirmation in item (F)
Does not link between the base unit and the handset. Make confirmation in item (G)
The reception level is high or low. Make confirmation in item (H)
The transmit level is high or low. Make confirmation in item (I)
*: Refer to Adjustment (P.23).
Unit condition:
1. Remove the antenna lead wire from P.C. Board of the handset.
2. Power Supply: DC 3.9V (DC power supply)
3. Volume: HIGH (When P.C. Board of handset is in test mode, volume condition is medium. Press “Loud” key once.)
4. Speaker Load: 150
Ω
CH TX Frequency RX Frequency
CH3 49.860MHz 43.82MHz
8.1. Test Mode Flow Chart (Handset)
Note:
Refer to CIRCUIT BOARD (HANDSET) (P.61)
SIGNAL ROUTE (P.41)
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KX-TC2101BXB