Read Panasonic KX-TC1400B / KX-TC1400W Service Manual online
5.9. Base Unit Preparation
Please
prepare the BASE UNIT before performing any
adjustment procedures. Refer to the BASE UNIT REFERENCE
DRAWING for connection and test point locations.
DRAWING for connection and test point locations.
1. Unscrew all 2 screws from bottom of cabinet. Remove
cabinet bottom.
2. Remove the antenna screw.
3. Solder a test mode diode D902 as shown on the BASE
UNIT REFERENCE DRAWING.
4. Solder one isolation capacitor's positive lead to the main
P.C.Board TIP point and the other isolation capacitor´s
positive lead to the main P.C.Board RING point.
positive lead to the main P.C.Board RING point.
5. Connect the Audio Cable, positive lead to the TIP isolation
capacitor´s free lead, the negative lead to the RING
isolation capacitor's free lead. Do not connect the BNC end
of the cable.
isolation capacitor's free lead. Do not connect the BNC end
of the cable.
6. Connect the Telephone Analyzer PHONE TEST JACK #1
to the BASE UNIT P.C.Board phone jack.
7. Connect the corded telephone to the Telephone Analyzer
PHONE TEST JACK #2.
8. Remove main P.C.Board from cabinet top and place beside
cabinet.
9. Solder High Frequency Cable open end to ANT and TP-GR
as specified in BASE UNIT REFERENCE DRAWING.
5.10. Symptom/Remedy Table
If you have one of the listed symptoms, please refer to this
table and make the appropriate adjustments.
table and make the appropriate adjustments.
5.11. Base Unit Adjustment
Preparation
Please perform the following steps to prepare the BASE UNIT
for the Adjustment procedure.
for the Adjustment procedure.
1. Connect P.C.Board to all equipment as specified
in
PROCEDURE section, SETUP portion.
2. Connect AC Adaptor to AC Jack of BASE UNIT main
P.C.Board.
3. Press LOCATOR/INTERCOM button twice. BASE UNIT
P.C.Board should be in TEST MODE (CH1 TALK). If unit is
not in TEST MODE, remove power from P.C.Board and
repeat last step.
not in TEST MODE, remove power from P.C.Board and
repeat last step.
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X-TC1400B / KX-TC1400W
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