Kenwood-KTF-3010-Service-Manual电路原理图.pdf
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1、AM-FM STEREO SYNTHESIZER TUNERKTF-2010/3010SERVICE MANUAL1998-1/B51-5407-00 (K/K) 2106How to reset the microcomputerThe microcomputer may malfunction (impossibility operation,erro-neous display,etc.)when the power cord is unplugged and pluggedin again while the unit is in ON mode with the Key presse
2、d or dueto other extern al causes.In this case,execute the procedure on theright to reset the microcomputer and return the unit to the normalconditionUnplug the power cord form the wall outlet.While pressing and holding the (ON/STANDBY) key,plug the AC cord into the wall outlet againResetting the mi
3、crocomputer clears the memory you entered andreturns in to the initial condition when the unit left the factory.HIGHBLENDWIDENARROWRFATTAUTO/MANUAL+10/CLEAR1ACTIVERECEPTIONIF BANDTA/NEWSPTY/PTY SEARCHRF ATTDISPLAYANT A/BMEMORYAM-FM STEREO SYNTHESIZER TUNER KTF-2010BANDP. CALLDOWNUPTUNING/MULTI CONTR
4、OL34567890/CHARA2ON/STANDBYANTENNAGNDAMFM 75SYSTEMCONTROLOUTPUTR LSL16XS 8KENWOOD badge(B43-0302-04)Knob(K29-6882-03)Panel(A60-1336-02)Metallic cabinet(A01-3559-01)Power cord bushing(J42-0083-05)Slide switch(S31-2132-05)Miniature phone jack(E11-0188-05)ACpower code*(E30-)Lock terminal board(E20-0321
5、-05)Phono jack(E63-0068-15)Front glass *(B10-)Knob(K29-6883-04)Illustration is KTF-2010.* Refer to parts list on page 18.(K)KTF-2010 1P( 98.4.25 4:21 PM yW2TUNEDAUTOkHzMHzSTEREOSTANDBYANTABMEMOTANEWSTPPTYARRDSEON*.MWLWFMHIGHBLENDWIDENARROWRFATTTUNING MODE+10/CLEAR1ACTIVERECEPTIONIF BANDTA/NEWSPTY/PT
6、YSEARCHRF ATTDISPLAYANT A/BMEMORYAM-FM STEREO SYNTHESIZER TUNER KTF-3010BANDP. CALLDOWNUPTUNING/MULTI CONTROL34567890/CHARA2ON/STANDBYSTANDBY indicatorRDS indicatorAR indicatorTA indicatorTP indicatorMEMORY indicatorPTY indicatorAntenna A/B indicatorKilohertz indicatorFrequency displayPreset channel
7、 displaySTATION NAME displayMagahertz indicatorReceiving band indicatorSignal indicatorEON indicatorTuning mode indicatorTUNED indicatorReception mode indicatorNEWS indicator1209&345678*!%#$DisplayAUTO/MANUAL with the KTF-2010 Lead wire antenna.1(T90-0809-05) Audio cord.1(E30-0505-05) AM loop antenn
8、a assy.1(T90-0195-05) System control cord.1(E30-2733-05) Loop antenna stand(J19-3645-05) AC plug adapter.1(E03-0115-05)(M type only)KTF-2010/30102ACCESSORIES / CONTROLSAccessoriesControls11POWER keyPress to turn on/off the power.22ACTIVE RECEPTION key(KTF-3010 only)Press to obtain the optimum recept
9、ion con-ditions for the signals being received.33IF BAND key(KTF-3010 only)Press to the intermediate frequency passband between WIDE(wide band) and NAR-ROW(narrow band).44RF ATT(KTF-3010 only)Press to minimize the RF reciprocal modula-tion and mixed modulation distortion whenthere is an adjacent cha
10、nnel with strong.55ATT A/B key(KTF-3010 only)Press to select the antenna when using 2antennas.66HIGH BLEND indicator(KTF-3010only)77WIDE indicator(KTF-3010 only)88NARROW indicator(KTF-3010only)99RF-ATT indicator (KTF-3010 only)00AUTO/MANUAL key(KTF-2010)TUNING MODE key(KTF-3010)Press to select the t
11、uning mode.!BAND keyPress to switch the broadcast band.TUNING/MULTI CONTROL knobUsed for tuning broadcast stations, selectingthe program type and entering characters.#TA/NEWS key$PTY/PTY SEARCH key%DISPLAY keyMEMORY keyUsed for storing broadcast stations andentering station names.&Numeric keysUsed f
12、or storing and calling up broadcaststations and entering station names.*P.CALL keyPress to recall a preset station.(K)KTF-2010 1P( 98.4.25 4:21 PM yW3KTF-2010/30103EXTERNAL VIEWIllustration is KTF-3010.HIGHBLENDWIDENARROWRFATTTUNING MODE+10/CLEAR1ACTIVERECEPTIONIF BANDTA/NEWSPTY/PTY SEARCHRF ATTDISP
13、LAYANT A/BMEMORYAM-FM STEREO SYNTHESIZER TUNER KTF-3010BANDP. CALLDOWNUPTUNING/MULTI CONTROL34567890/CHARA2ON/STANDBYANTENNAGNDAMFM 75BASYSTEMCONTROLOUTPUTR LSL16XS 8KENWOOD badge(B43-0302-04)Knob(K29-6928-03)Panel(A60-1357-02)Metallic cabinet(A01-3559-01)Power cord bushing(J42-0083-05)Slide switch(
14、S31-2132-05)Miniature phone jack(E11-0188-05)ACpower code*(E30-)Lock terminal board(E20-0321-05)Phono jack(E63-0068-15)RF coaxial cable receptacle(E04-0025-05)Front glass(B10-2449-03)Knob(K29-6883-04)* Refer to parts list on page 18.(K)KTF-2010 1P( 98.4.25 4:21 PM yW6KTF-2010/30104CIRCUIT DESCRIPTIO
15、N1. Test mode1-1. Test mode with the main unit keysa) Setting procedure While pressing the P.CALL key, plug the AC power cordto the power outlet.b) Cancellation Unplug the AC power cord. The initial setting will takeeffect and the test mode will be canceled.c) DescriptionAuto POWER ON When the AC po
16、wer cord is plugged while pressing theP.CALL key, the POWER will turn ON and all functionwill be at the initial setting.ALL LED ON mode When the AC power cord is plugged while pressing theP.CALL key, all the LEDs will turn ON. Any key opera-tion on the main unit thereafter will return the LEDs to no
17、r-mal.Main unit key validity check Whether the main units keys are operable (valid) can bechecked. Regarding the keys whose display does notchange when they are used, their display will be made tochange.09, +10 key operation Preset display : “ “ or “01“ “09“ When “0“ key is pressed, 10 ch is called.
18、When “1“ “9“ key is pressed, 1 ch 9 ch is called.When “+10“ key is pressed, “1-“ is displayed. Preset display : “1 -“ or “10“ “19“When “0“ key is pressed, 20 ch is called.When “1“ “9“ key is pressed, 11 ch 19 ch is called.When “+10“ key is pressed, “2 -“ is displayed. Preset display : “2 -“ or “20“
19、“29“When “0“ key is pressed, 30 ch is called.When “1“ “9“ key is pressed, 21 ch 29 ch is called.When “+10“ key is pressed, “3 -“ is displayed. Preset display : “3 -“ or “30“ - “39“When “0“ key is pressed, 40 ch is called.When “1“ “9“ key is pressed, 31 ch 39 ch is called.When “+10“ key is pressed, “
20、0 -“ is displayed.MUTE signal output The MUTE signal is not output.No Display for FL Press the DISPLAY key to turn on/off the segments of theFL.Slide Switch CheckThe FL shows the Serial Code(XS8/SL16) by pressing theMEMORY key.The FL shows the Channel Space(100kHz/50kHz) bypressing the CH. SPACE key
21、.The FL shows the normal mode by pressing the key andthe switch except the MEMORY and the Slide switch.Display ex.Serial CodeChannel SpaceXS8(or SL16)100(or 50)1-2. Test mode with serial communicationsRefer to the test mode serial code table.a) Setting procedure Plug the AC power cord and enter the
22、TEST ON code.8 bit serial communications: 71H16 bit serial communications: 0C2FFHb) Cancellation Enter the TEST OFF code (0CFEH) or unplug the ACpower cord.c) DescriptionOther operations during the serial test mode The main units keys will be effective. The serial test code can be received even with
23、in 1 secondof POWER ON / OFF.Required operations for the serial test mode The serial code for the serial test mode can be used tocheck the operation of all circuits. The code entered during the serial test mode will becomevalid regardless of the display mode. The following functions are available in
24、 the serial testmode.0 9, +10AUTO (AUTO ST. / HI BLEND / MONO)MEMORYUP / DOWN (MANUAL SCAN unnecessary)IF BAND, RF ATTACTIVE RECEPTIONANTENNA A, ANTENNA B, PTY, DISPLAY, ALL LEDON/OFF The MUTE signal is not output. This is for reducing theinput-output switching time during the measurement. When a va
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- KenwoodKTF3010ServiceManual 电路 原理图
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