Panasonic KX-TSC10EXB User manual

ORDERNO. KM40210969C2
TelephoneEquipment
KX-TSC10EXB/ KX-TSC10EXC/ KX-TSC10EXW
IntegratedTelephoneSystem
Black Version
BlueVersion
White Version
(forEurope)
SPECIFICATIONS
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2002 Kyushu Matsushita ElectricCo., Ltd. All rights reserved.
Unauthorizedcopying and distribution isaviolation oflaw.
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1. BATTERY
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2. LOCATIONOFCONTROLS
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3. DISPLAY
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4. SETTINGS
4.1. Connecting theHandset/TelephoneLineCord
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-Use onlyaPanasonicHandset forKX-TSC10EXB/C/W.
-Use onlyatelephonelinecordincludedintheunit.
-IfyourunitisconnectedtoaPBXwhichdoes notsupportCallerID
services, you cannotaccess those services.
4.2. Dial Lock
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4.3. How toRelease theEstablishmentofDial Lock
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Afterthisprocedure, you will beabletoestablishanewpassword.
Howtorelease theestablishmentofdial lock.
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4.4. Call Restricstion
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5. OPERATIONS
5.1. Making Calls
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5.2. Answering Calls
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5.3. FLASHButton
Note:for Service ;Whenthereisno battery, aFlashfunction may notoperateappropriately.
6. DISASSEMBLYINSTRUCTIONS
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ShowninFig—. Toremove —. Remove —.
1 LowerCabinet Screws(2.6×12).................................(A)×5
2 MainP.C. Board FFCand Solder
MainP.C. Board
3CPUP.C. Board CPUP.C. Board
7. TROUBLESHOOTING GUIDE
Make surebatteries areinstalledfor properoperation beforetroubleshooting.
7.1. Service Hints
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7.2. ToneDialing Problems(handset)
7.3. NoRinging Sound WhenRing Signal isInput
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8. BLOCK DIAGRAM
9. CIRCUITOPERATION
9.1. Bell DetectorCircuit
Whenthebell signal isinputbetweenT/R, thesignal areoutputtedatthespeakerviathe
following path:Tel lineR1/C1Pin8ofIC2Pin5ofIC2PC1SW1Ringer
9.2. LineInterface
Intalkstatus, SW101 becomeONand Q104 base changes tohigh level, causing Q104, Q102 to
turn on and resulting inalineloop.Theloop currentflowsfrom D101(+)Q102 Q108
R114 D103 inthatorder.
9.3. MODULEBLOCK DIAGRAM
9.3.1. TelephoneLineInterface
9.3.1.1. Circuitoperation
-Onhook
Q102 isopen, Q102 isconnectedas tocutDC loop currentand cut
thevoice signal.
-Off hook
Q102 turnson thusproviding anoff-hookcondition (activeDC
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currentflow through thecircuit) and thefollowing signal flow idfor
theDC loop current. TD101 Q102 Q108 R114 D103
D101 R
-Thereceiving signal flows:
TELlineQ102 C405 C401 R401 Q401 Q403
Q404 H/SSP
-Thetransmission signal flows
MicQ422 R428 C427 Q108 Tel Line
9.3.2. Inializing Circuit
9.3.2.1. Function
Thiscircuitisusedfor toinitializethemicrocomputerwhenitincorporates batteries.
9.3.2.2. Circuitoperation
Whenthebatteries isinsertedintotheunit, thenthevoltageisregulatedbyIC302 and poweris
suppliedtotheCPU. Thesetcanoperatebeyond pointAinthecircuitvoltagediagram.
9.4. CallerIDDetect Circuit
9.4.1. Function (FSKsignal)
ThecallerIDisachangeableIDwhichtheuserofatelephonecircuitobtainsbyentering a
contractwiththetelephonecompanytoutilizeacallerIDservice. For thisreason, theoperation
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ofthiscircuitassumes thatacallerIDservice contracthas beenenteredfor thecircuitbeing
used. Thedatafor thecallerIDfrom thetelephoneexchangeissentduring theinterval between
thefirstand second ringsofthebell signal. Thedatafrom thetelephoneexchangeisamodem
signal whichismodulatedinanFSK(Frequency Shift Keying)format. Data"0" isa1200 Hzsine
wave, and data1a2200 Hzsinewave.Therearetwotypes ofthemessageformatwhichcanbe
received:i.e. thesinglemessageformatand plural messageformat. Theplural messageformat
allowstotransmitthenameand datacodeinformation inaddition tothetimeand telephone
numberdata.
9.4.2. Circuitoperation
CallerID/ CallerIDsignal issentthrough thecircuitviathefollowing path:/ TELLineC551,
C552 R551, R552 Pin87,88 ofIC801
10. BLOCK DIAGRAM
10.1. IC801
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10.2. CPUDATA(IC801)
10.3. RINGERIC(IC2)
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