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TROUBLESHOOTING GUIDE
KX-F680BX/KX-F2681BX
HOW TO USE 841 SERVICE FUNCTION for DIGITALSPEAKER PHONE
Connect phone line or simulater or PBX.
#9000 841
P-SF841 ------
LCD
Push the "speaker phone key"
P-SF841
After 3 seconds
LCD
( ------ is erased)
Please check the speaker
phone Tx route with signal input.
Push " # " button
LCD
Now Rx is muted
You check speaker phone Tx.
P-SF841 Rx
Please check the speaker
phone Rx route with signal input.
Push " " button
LCD
Now Tx is muted
You check speaker phone Rx.
P-SF841 Tx
Don't input a dial tone (call progress
tone) to telephone line at the time.
Now under the speaker phone test mode.
Please check with service function #9000 841.
TEL LINE-T101-R202-C205-IC201(6-7)-C210-C173-R172-R173-C174-IC151(59-67)-R217-C214-
IC202(10-11)-C217-CN271(9)-{CN1(9)-R11-IC10(2-1)-C19-R13-IC5(38-83)-IC6(13-17,18)---C10-R5---
C11-R6
IC11(5,6-7)-R8-CN1(8)}-CN271(8)-C185-R183-IC151(75-41)-C158-R161-IC151(40-38)-C245-
-R245-IC241(4-5,8)-SPEAKER
ROUTE
I N
O U T
signal
MIC-R167-C164-IC151(51-71)------C216-CN271(7)-{CN1(7)-C7-R90-IC6 (22-6)-IC5 (82-28,29)
----C23-R19----IC10 (5,6-7)-CN1(10)}-CN271(10)-C184-R182-IC151(73-63)-C203-R210-
---C24-R20--
-IC201(2-1)-C202-R201-T101-TEL LINE
SP-PHONE Tx
SP-PHONE Rx
(SYMPTOM)
ITEMS TO CHECK
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