Kenwood-TK-7102-H-Service-Manual电路原理图.pdf

© 2003-6 PRINTED IN JAPANB51-8610-10 (N)975VHF FM TRANSCEIVERTK-7102HSERVICE MANUALPanel assy(A62-0942-03)Front glass(B10-2753-03)Cabinet(A01-2181-01)Chassis(A10-4048-21)Key top(K29-9065-01)Modular jack(E08-0877-05)GENERAL . 2SYSTEM SET-UP . 3OPERATING FEATURES . 4REALIGNMENT . 8INSTALLATION . 11DISASSEMBLY FOR REPAIR . 13CIRCUIT DESCRIPTION . 14SEMICONDUCTOR DATA . 18COMPONENTS DESCRIPTION . 20PARTS LIST . 21EXPLODED VIEW. 27PACKING . 28ADJUSTMENT . 29TERMINAL FUNCTION . 34PC BOARDDISPLAY UNIT (X54-3460-20) . 35TX-RX UNIT (X57-6700-XX) . 37SCHEMATIC DIAGRAM. 43BLOCK DIAGRAM . 47LEVEL DIAGRAM . 49SPECIFICATION . 51CONTENTSREVISEDThis service manual applies to products with 50300001 or subsequent serial numbers.In terms of the products with the serial numbers earlier than 50300001, refer to the TK-7102H service manual as per part No.B51-8610-00 and B51-8627-00.Service Manual ListTitle Parts number Remarks Destination TX-RX unit number Display unit numberTK-7102H B51-8610-00 M X57-6380-20 X54-3340-20TK-7102H B51-8627-00 SUPPLEMENT K,K2,M,M2 X57-6380-XX X54-3340-20TK-7102H B51-8610-10 REVISED K,K2,M,M2 X57-6700-XX X54-3460-20(This service manual)TK-7102H2INTRODUCTIONSCOPE OF THIS MANUALThis manual is intended for use by experienced techni-cians familiar with similar types of commercial grade commu-nications equipment. It contains all required service informa-tion for the equipment and is current as of this publicationdate. Changes which may occur after publication are coveredby either Service Bulletins or Manual Revisions, which areissued as required.ORDERING REPLACEMENT PARTSWhen ordering replacement parts or equipment informa-tion, the full part identification number should be included.This applies to all parts : components, kits, and chassis. If thepart number is not known, include the chassis or kit numberof which it is a part and a sufficient description of the requiredcomponent for proper identification.PERSONNEL SAFETYThe following precautions are recommended for person-nel safety :DONOT transmit if someone is within two feet (0.6meter) of the antenna.DONOT transmit until all RF connectors are secure andany open connectors are properly terminated. SHUT OFF this equipment when near electrical blastingcaps or while in an explosive atmosphere. All equipment should be properly grounded before power-up for safe operation. This equipment should be serviced by only qualified tech-nicians.PRE-INSTALLATION CONSIDERATIONS1. UNPACKINGUnpack the radio from its shipping container and check foraccessory items. If any item is missing, please contactKENWOOD immediately.2. LICENSING REQUIREMENTSFederal regulations require a station license for each radioinstallation (mobile or base) be obtained by the equipmentowner. The licensee is responsible for ensuring transmitterpower, frequency, and deviation are within the limits permit-ted by the station license.Transmitter adjustments may be performed only by a li-censed technician holding an FCC first, second or generalclass commercial radiotelephone operators license. There isno license required to install or operate the radio.3. PRE-INSTALLATION CHECKOUT3-1. IntroductionEach radio is adjusted and tested before shipment. How-ever, it is recommended that receiver and transmitter opera-tion be checked for proper operation before installation.3-2. TestingThe radio should be tested complete with all cabling andaccessories as they will be connected in the final installation.Transmitter frequency, deviation, and power output shouldbe checked, as should receiver sensitivity, squelch operation,and audio output. Signalling equipment operation should beverified.4. PLANNING THE INSTALLATION4-1. GeneralInspect the vehicle and determine how and where the ra-dio antenna and accessories will be mounted.Plan cable runs for protection against pinching or crushingwiring, and radio installation to prevent overheating.4-2. AntennaThe favored location for an antenna is in the center of alarge, flat conductive area, usually at the roof center. Thetrunk lid is preferred, bond the trunk lid and vehicle chassisusing ground straps to ensure the lid is at chassis ground.4-3. RadioThe universal mount bracket allows the radio to bemounted in a variety of ways. Be sure the mounting surfaceis adequate to support the radios weight. Allow sufficientspace around the radio for air cooling. Position the radio closeenough to the vehicle operator to permit easy access to thecontrols when driving.4-4. DC Power and wiring1. This radio may be installed in negative ground electricalsystems only. Reverse polarity will cause the cable fuse toblow. Check the vehicle ground polarity before installationto prevent wasted time and effort.2. Connect the positive power lead directly to the vehiclebattery positive terminal. Connecting the Positive lead toany other positive voltage source in the vehicle is not rec-ommended.3. Connect the ground lead directly to the battery negativeterminal.4. The cable provided with the radio is sufficient to handlethe maximum radio current demand. If the cable must beextended, be sure the additional wire is sufficient for thecurrent to be carried and length of the added lead.GENERALTK-7102H35. INSTALLATION PLANNING CONTROL STATIONS5-1. Antenna systemControl station. The antenna system selection depends onmany factors and is beyond the scope of this manual. YourKENWOOD dealer can help you select an antenna systemthat will best serve your particular needs.5-2. Radio locationSelect a convenient location for your control station radiowhich is as close as practical to the antenna cable entry point.Secondly, use your systems power supply (which suppliesthe voltage and current required for your system). Make suresufficient air can flow around the radio and power supply toallow adequate cooling.SERVICEThis radio is designed for easy servicing. Refer to theschematic diagrams, printed circuit board views, and align-ment procedures contained in this manual.Speakerjack capPower inputconnectorAntennaconnectorNOTEIf you do not intend to use the 3.5-mm jack for the externalspeaker, fit the supplied speaker-jack cap to stop dust andsand from getting in.Merchandise receivedLicense and frequency allocated by FCCChoose the type of transceiverTransceiver programmingKCT-39Connection cableKCT-18Ignition sense cableKCT-36Extension cableKDS-100Mobile dataterminalKGP-2AModem GPS receiver orKGP-2BModem GPS controllerKES-3External speakerSee page 8.A personal computer (IBM PC or compatible), programming interface (KPG-46),and programming software (KPG-70D) are required for programming.Frequency range (MHz) RF power Type146174 50W K,M136162 50W K2,M2(Option)(Option)(Option)(Option)(Option)(Option)orDeliveryGENERAL / SYSTEM SET-UPSYSTEM SET-UPTK-7102H4OPERATING FEATURESIndicator DescriptionLight while transmitting.Lights when a signal is detected onthe currently selected channel.Lights while the function programmedonto its corresponding key is activated.Lights while the function programmedonto its corresponding key is activated.Lights to display the currently selectedchannel (1 4).1-5. Rear panelExternalspeakerjackPower inputconnectorAntennaconnector1. Controls and Functions1-1. Front Panelq (Power) switchPress to switch the transceiver ON. Press and hold forapproximately 1 seconds to switch the transceiver OFF.w keyPress to increase the volume level.e keyPress to decrease the volume level.r keyPF (Programmable Function) key. The default setting ofthis key is None (no function). The programmable func-tions available for this key are listed below.t keyPF (Programmable Function) key. The default setting ofthis key is Monitor. Other programmable functions avail-able for this key are listed below.y 1/ 2/ 3/ 4 keysPress to select a channel from 1 to 4.u Microphone jackInsert the microphone plug into this jack (the microphoneis an optional accessory).i SpeakerInternal speaker.o PTT switchPress this switch, then speak into the microphone to call astation.1-2. Microphoneq we tryuio1-3. Auxiliary Programmable Functions Emergency Scan On/OFF Key Lock Talk Around Monitor Temporary Delete None (no function) AUX Horn Alert Scan + Temporary Delete1-4. DisplayTK-7102H52. Operation FeaturesThe TK-7102H is a VHF FM radio designed to operate inconventional format. The programmable features are sum-marized.3. Transceiver Controls and Indicators3-1. Front Panel ControlsAll the keys on the front panel are momentary-type pushbuttons. The functions of these keys are explained below. POWER keyTransceiver POWER key. When the power is switchedoff, all the parameters are stored in memory. When thepower is switched on again, the transceiver returns to theprevious conditions. CHANNEL keys MONITOR key (Programmable) key (Programmable) VOLUME UP/DOWN keyWhen the key is pressed, the volume level is increased/decreased and repeats if held for 200ms or longer. BUSY/TX LEDThe BUSY indicator (Green LED) shows that the channel isin use. The TX indicator (Red LED) shows that you are trans-mitting.3-2. Programmable KeysThe FPU (KPG-70D) enables programmable keys to selectthe following functions. Emergency Key Lock Monitor Scan ON/OFF Talk Around Temporary Delete None AUX Horn Alert Scan + Temporary Delete EmergencyPressing this key for longer than 1 second causes thetransceiver to enter the emergency mode. The transceiverjumps to the programmed “Emergency channel” and trans-mits for 25* seconds.The transceiver disables mic mute while transmitting. Af-ter finishing transmission, the transceiver receivers for 5*seconds. The transceiver Mute* the speaker while receiving.Following the above sequence, the transceiver continues totransmit and receive.* Default value. Key lockPressing this key causes the transceiver to accept entry ofonly the Vol Up/Down*, Key lock, Microphone PTT,Monitor, Emergency, and Power keys.* Programmable MonitorUsed to release signalling (press once) or squelch (pressand hold for approximately two seconds) when operating as aconventional. It is also used to reset option signalling. Scan ON/OFFPress this key starts scanning. Pressing this key stopsscanning. Talk aroundPress this key, the transceiver uses the receive frequencyand the tone for transmission.The operator can call the other party directly (without re-peater). Press this key again, the talk around function goesoff. Temporary deleteThe “Add” channel contained in the scan sequence, and“Delete” channel is not contained. In the scan mode, thiskey switches the channel delete temporarily (Press and holdfor approximately one second).When the transceiver is turned off, the transceiver exitsthe scan or switches the scan function off. NoneSounds error operation beep, and no action will occur.Use this function when the transceiver is required to be moresimple operated. AUXPress to activate the auxiliary port. Press again to deacti-vate the auxiliary port. Auxiliary is used with optional boards,allowing you to activate and deactivate these optional func-tions. While activated, the AUX icon appears on the display. Horn alertHorn Alert is a useful feature that will notify you of a re-ceived call while you are away from your vehicle. The trans-ceiver is programmed to sound the vehicle horn or someother external alert device (such as the vehicle headlights)when a call is received that has correct signalling. Scan + Temporarily deleteTo temporarily remove a channel from the Scan list, pressand hold this key for approximately one second during Scan,while Scan is paused on the undesired channel, to tempo-rarily remove that channel from the scanning sequence. Af-ter switching the Scan function OFF, or switching the trans-ceiver OFF and then ON again, the Scan settings return tonormal.OPERATING FEATURESTK-7102H64. Scan Operating SCAN start conditionTwo or more channels must be added to all channels thatcan be scanned. The transceiver must be in normal receivemode (PTT off).When you activate the key programmed to the scan ON/OFF function, the scan starts. The indicator next to the pro-grammed key LED blinks. Scan stop conditionThe scan stops temporarily if the following conditions aresatisfied.1) A carrier is detected, then QT/DQT matches on channelsfor which receive the QT/DQT is set by the programmingsoftware.2) A carrier is detected on the channels for which receivingQT/DQT is not set by the programming software or whenthe monitor (signalling cancel) function is activated. Revert channelThe revert channel is used to transmit during scanning andset by the programming software (KPG-70D).1) Selected channelThe transceiver reverts to the channel before scanning orthe channel that you changed during scan.2) Selected with talkbackThe transceiver reverts to the selected channel prior toscan initiation.However, if a call is received on a channel other then theselected channel and PTT is pressed before scanning re-sume, the transceiver “talks back” on the current receivechannel. Scan endWhen you press the key programmed to the scan functionduring scan mode, the scan ends.The indicator next to the programmed key LED turns off. Temporary deleteIt is possible to delete channel temporary during scan.When scan stops on unnecessary channel for example by in-terference of the other party, activate the delete function (forexample press and hold the key for approximately one sec-ond), then that channel is deleted temporarily and scan re-start immediately.The temporary deleted channels return to pre-set delete/add channels, when the transceiver is turned off or the scanfunction is switched off.5. Details of Features Time-out timerThe time-out timer can be programmed in 30 seconds in-crements from 30 seconds to five minutes and off. If thetransmitter is transmitted continuously for longer than theprogrammed time, the transmitter is disabled and a warningtone sounds while the PTT button is held down. The warningtone stops when the PTT button is released. PTT IDPTT ID provides a DTMF ANI or MSK ID to be sent withevery time PTT (connect ID at beginning of transmission, dis-connect ID at end of transmission, or both).You can program PTT ID “on” or “off” for each groupchannel (DTMF). The contents of ID are programmed foreach transceiver.The transceiver is capable to have ID. The format isDTMF. The