Kenwood-CV300-rec-sm 电路图 维修手册.pdf

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1、STEREO INTEGRATED AMPLIFIER/TUNER C-V100/V150/V300/V350 SERVICE MANUAL 1997-6/B51-5323-00 (K/K) 3676 ON/STANDBY PHONES INPUTTAPE 2 (MONITOR) CLOCK TIMER MODE TIMER SETAUTO A.MEMOBANDTUNINGMODEMULTI. CONTROL LEVEL VOLUME CONTROL DOWNUP ANTENNA AM FM 75 GND CONNECT WITH POWER AMPLIFIER SYSTEM CONTROL

2、CDAUXTAPE 1/ MD ININRECPLAYIN TAPE 2 (MONITOR) AUDIO FRONTRECRECPLAYPLAY MONITOR OUT SURROUND VIDEO CENTER SUBWOOFER UNSWITCHED LD /DVD VCR L R DVD 6CH.INPUTDVD 6CH.INPUT DIGITAL IN DIGITAL IN FM 50kHz AM 9kHz FM 100kHz AM 10kHz 50s75s DE- EMPHASIS CHANNEL SPACE Dressing panel (A21-1952-03) Panel *

3、(A60-) Lock terminal board (E70-0052-05) Phono jack (E63-0163-05) Metallic cabinet (A01-3432-01) Power cord busing (J42-0083-05) AC power cord * (E30-) Miniature phone jack (2P) (E11-0293-05) Phono jack (E63-0139-15)x3 Phono jack * (E63-0111-05) C-V300/C-V350 only AC outlet * (E03-) Knob * (K29-) Ca

4、ution : No connection of ground line if disassemble the unit. Please connect the ground line on rear panel, PCBs, Chassis and some others. Front glass * (B10-) Knob (K29-6660-04) Rectangular receptacle (E58-0018-05) Illustration is C-V100. * Refer to parts list on page 33. C-V100(K) 116pnew 97.7.15

5、7:34 PM 1 RadioFans.CN 收音机爱 好者资料库 CONTENTS / ACCESSORIES C-V100/V150/V300/V350 2 Contents CONTENTS / ACCESSORIES .2 CONTROLS .3 DISASSEMBLY FOR REPAIR.7 BLOCK DIAGRAM .8 CIRCUIT DESCRIPTION.9 ADJUSTMENT.14 PC BOARD .15 SCHEMATIC DIAGRAM .23 EXPLODED VIEW .41 PARTS LIST.43 SPECIFICATIONS .54 FM indoo

6、r antenna(1) (T90-0809-05): MICX type (T90-0810-05): KPY type AM loop antenna(1) (T90-0820-05) Loop antenna stand(1) Remote control unit(1) * (C-V100) (Except U.S.A. and Canada) Cable tidy(2) (F07-0102-04) Graphical Remote Control unit(1) * (C-V300) (C-V100,only U.S.A. and Canada) * Batteries(R03/AA

7、A) (4) (C-V300) (C-V100,only U.S.A. and Canada) Batteries(R6/AA) (2) (C-V100) (Except U.S.A. and Cana- * Use to adapt the plug on the power cord to the shape of the wall outlet.(Accessory only for regions where use is necessary) ON/STANDBY MUTE VOLUME ENTER Setup DVD/6ch Input Sound Speaker C D Sat.

8、 Tape1 Cable Reset VCR1 VCR2 L D T V ConfirmSet UpReturn Input Source Main Menu TapeA TapeB Tape1LDTunerCD VCR2VCR1TVSat.Cable FM indoor antenna(1) (T90-0809-05): MICX type (T90-0810-05): ET type AM loop antenna(1) (T90-0820-05) Loop antenna stand(1) Remote control unit(1) * (C-V150) Cable tidy(2) (

9、F07-0102-04) Graphical Remote Control unit(1) * (C-V350) Batteries(R03/AAA) (4) (C-V350) Batteries(R6/AA) (2) (C-V150) ON/STANDBY MUTE VOLUME ENTER Setup DVD/6ch Input Sound Speaker C D Sat. Tape1 Cable Reset VCR1 VCR2 L D T V ConfirmSet UpReturn Input Source Main Menu TapeA TapeB Tape1LDTunerCD VCR

10、2VCR1TVSat.Cable Microphone(1) (W01-0935-05) (Optional with the C-V150) How to reset the microcomputer The microcomputer may malfunction (impossibility operation,erro- neous display,etc.) when the power cord is unplugged and plugged in again while the unit is in ON mode with the Key pressed or due t

11、o other external causes.In this case,execute the procedure on the right to reset the microcomputer and return the unit to the normal condition. Resetting the microcomputer clears the memory you entered and returns in to the initial condition when the unit left the factory. 1 Unplug the power cord fr

12、om the wall outlet. 2 While pressing and holding the POWER or (ON/STANDBY)key,plug the AC cord into the wall out- let again *AC plug adapter (1) (E03-0115-05) Accessories (C-V100/300) (C-V150/350) * Refer to parts list on page 33. C-V100(K) 116pnew 97.7.15 7:34 PM 2 RadioFans.CN 收音机爱 好者资料库 CONTROLS

13、C-V100/V150/V300/V350 3 1(ON/STANDBY) key Press to switch between ON and STAND- BY. 2VOICE ACTIVATE indicator Lights to indicate an occurrence of voice activation. 3Remote sensor 4TIMER SET key Press to set the timer function. 5CLOCK key Press to set the clock. 6VOICE ACTIVATE ON/OFF key Press to sw

14、itch the voice-activation opera- tion ON and OFF. 7VOICE ACTIVATE SET 1 key Press to record words for use in voice ac- tivation. 8VOICE ACTIVATE SET 2 key Press to record words for use in voice ac- tivation. 9STEREO key 0DSP key !DOLBY key MODE key Press to switch various setting modes. #MULTI.CONTR

15、OL key Press to select various setting modes. $GRC transmitter Outputs the signals transmitted to the Graphical Remote Control. %PHONES jack For use in headphones listening. INPUT SELECTOR key Press to select the input. CD player, cassette deck and so. (b) One Touch Operation In power off mode, syst

16、em will turn on and start to play- back if play key on every unit; CD, DECK, DVD, and MD will be pressed . In power off mode, system will turn on and start to open if open/close key on every unit; CD, DECK (single), DVD, and MD will be pressed (c) Voice Activation (C-V150/V350) In voice activation m

17、ode, when system has KEN- WOOD word it will turn on and start to playback CD or LD player even if power switch is turn off. Key word will be available of changing any other word. (d) Automatic Power-off The system will be turned off if it is turned on by voice activation and selector keeps position

18、at CD or LD posi- tion and system does to stop condition for 30 mints in CD or LD mode. 1-2 Tuner section EON(Enhanced Other Network) (C-V150/V350) Automatic memory (broadcasting station name with sort mode), FM station will be morized after RDS station are done. In the case of broadcasting TA(Traff

19、ic information), NEWS(PTY), and INFO(PTY) in same network station, system will receive TA, NEWS, INFO or normal broard- castings automatically. 2. Backup and Initial Data Power :off Main volume :-65dB Audio selector:tuner Video selector:vcr Tape 1/md:tape 1 Ld/dvd(C-V300/V350):ld Tape 2/monitor:off

20、Fl display mode:selector Source direct:off Surround mode:stereo Dolby mode:pro logic Dsp mode:Arena Speaker level:0dB Balance:Center Input level:0dB Delay time:20ms Effect level:3 Tone bass:0dB Tone treble:0db Tuning mode:Auto Preset memory:Test frequency Last band:FM Fm last frequency :87.5MHz Am (

21、mw) last frequency:531kHz (channel space 9kHz) :530kHz (channel space 10kHz) Lw last frequency:153kHz Last P.ch:-ch PTY select mode(C-V150/V350):off RDS display mode:frequency TA/NEWS/INFO:off Clock:A.M.12:00 Timer :off Sleep timer:off Voice activation key word:KENWOOD Voice activation:on *Initial s

22、etting : While pressing the CD key, plug the power cord into the ac power outlet. C-V100(K) 116pnew 97.7.15 7:34 PM 9 CIRCUIT DESCRIPTION C-V100/V150/V300/V350 10 3. Main microprocessor uPD 780205GF031 (X11 : IC6) : C-V100/V300 uPD 780206GF019 (X11 : IC6) : C-V150/V350 3-1 Microprocessor periphery b

23、lock diagram REMOCON u-COM (X11) IC7 PLL IC RDS DEMO. IC ELECTRIC VOL. TONE CONT. +10dB ATT. MUTE VOICE ACTIVATION (X05) IC2 (X13) IC2 (X08)Q1,2,58,15 (X08) IC7,8,9 SERIAL COMMUNICATION ROTARY ENCODER (VOLUME CONTROL) DELAY IC DSP IC DOOR OPEN/CLOSE AUDIO SELECTOR VIDEO SELECTOR KEY MATRIX (X14) S30

24、 (X08) IC5 (X08) IC4 DOOR MECHANISM (X11) IC1,2 (X08) IC6 FL DISPLAY (X14) ED1 (X13) IC1 (X14) SP. RELAY PROTECTION POWER CHIP ENABLE PHONES DETECT RESONATOR(X1. MAIN) XTAL RESONATOR (X2. TIMMER) RESET DOOR AUTOMATIC LIGHTING KEY LED u-COM uPD780205GF031 uPD780206GF019 KEY SCANKEY RETURN VOICE INPUT

25、 POWER ON ACTIVE VOICE ON (X11) IC6 VOICE SET 1 VOICE SET 2 2 KR33 KR24 KR15 KR0 73 KS0(S.DIRECT)(STEREO)(DSP)(DOLBY) 74 KS1VOICE ON / OFFDISPLAY (RDS)PTYTA / NEWS / INFO. 75 KS2MODEMULTI LEVEL MULTI LEVEL #(OPEN / CLOSE) 76KS3CLOCK SETAUTO MEMORYBANDAUTO 77 KS4TUNING %TIMER SETINPUT INPUT # 78KS5 T

26、UNING fi TIMER MODEON / STANDBYTAPE 2 (MONITOR) KS6 81KS7DSW0 / D15DSW1 / D14DSW2 / D13DSW3 82 KS8DSW4 / D16 3-2 Key matrixNo. into : Pin No. of main u-COM ( ) : C-V300/V350 function DSW1 DSW4 : Tuner distinction DSW5 : C-V100/V150 or C-V300/V350 Model distinction PTY, TA / NEWS / INFO, DISPLAY (RDS

27、) : RDS function model (C-V150/V350) C-V100(K) 116pnew 97.7.15 7:34 PM 10 CIRCUIT DESCRIPTION C-V100/V150/V300/V350 11 Pin No.Port NameI/ODescription 1VddIPower supply (+5V) 25KR3-0Ikey return 3 0 6,7ENC_VOL1,2IEncoder pulse detect1, 2 8/HP_DETIHeadphone detectL : Yes 9/CEIChip enableL : Enable 10/R

28、ESETIMicroprocessor resetL : Reset 11,12X1,2IClock generator 13IC(vpp)Connect to Vss 14,15XT1,2Sub clock generator 16VddPower supply (+5V) 17/HP_MUTEOMute of headphones 18PROTECTIONIProtection detection 19SBUSYI/OSerial data busy 20SDATAI/OSerial data 21DSP_CLKOClock for DSP 22DSP_DATAOData for DSP

29、23DSP_STOStrobe for DSP 24/MUTEOMute controlL : Mute on 25AvssGND of a/d converter 26PLL_DOOPll do 27PLL_CEOChip enable for pll 28PLL_DATAOData detection for pll 29PLL_CLKOClock for pll 30/T_MUTEOMute for tunerL : Mute on 31/STEREOIStereo signal detectionL : Stereo 32/SDISynchro signal detectionL :

30、SD detection 33RDS_SLEVELISignal level of rds 34AvddAnalog power supply for a/d converter 35AvrefReference voltage for a/d converter 36RDS_CLKIClock for rds 37RDS_DATAIData for rds 38DOOR_LEDODoor led automatic light key 39REMOCON_INIInput port of remote control signal 40VssGND 41+10dB_ATTO+10dB att

31、enuatorL : Att on 42VOL_DATAI/OElectric volume control data 43INPUT_LEVELO0/-6dB switch of input level 44DOOR_DET1IDoor open detection switch 45DOOR_DET2IDoor close detection switch 46VddPower supply (+5V) 47M_OPENOMotor open function 48M_CLOSEOMotor close function 49CS_RELAYOCenter and surround spe

32、aker relay controlL : C, Sch off 50F_RELAYOFront and sub-woofer speaker relay control L : L, R, Switch off 51TC9215O2/6ch switch of inputL : 2ch 52REM_RWRREQORewrite request signal of left-right remote control dataL : Request 53REM_PWRIRewrite in signal of left-right remote control data L : rewrite-

33、in 3-3 Pin description C-V100(K) 116pnew 97.7.15 7:34 PM 11 CIRCUIT DESCRIPTION C-V100/V150/V300/V350 12 Pin No.Port NameI/ODescription 54REM_RERENITransmit signal of left-right remote control datL : Transmission 5562INP0-7ORemote control data bits 0-7 63VOICE_CTRLOVoice activation/standby led 64SEL

34、_STB1OStrobe signal for selector ic 65SEL_DATAOData signal for selector ic 66SEL_CLKOClock signal for selector ic 67VOICE_CTRLIInput port of voice activation 68VOL_CLKOClock signal for electric volume 6971VSEL1-3OVideo selector 1-3 72POWEROPower relay control 7378SEG 11-16ODisplay segment control 11

35、-16/key scan 0-5 79VloadConnect to pull down resistor 80SEG10ODisplay segment control 10 81SEG9ODisplay segment control 9/key scan 7(tuner selection) 82SEG8ODisplay segment control 8/key scan8(model selection) 8389SEG1-7ODisplay segment control 1-7 90100GRID1-11ODisplay grid control 1-11 3-4 DESTINA

36、TION LIST OF TUNER FrequencyChannelPLL Diode SW (X11) DestinationBand Rangespace IF Frequency DSW3DSW2DSW1DSW0 (D13)(D14)(D15) K1FM87.5MHz 108.0MHz100kHz-10.7MHz50kHz0000 (1700)AM530kHz 1700kHz10kHz+450kHz10kHz K2FM87.5MHz 108.0MHz100kHz+10.7MHz25kHz0001 (1610)AM530kHz 1610kHz10kHz+450kHz10kHz E1FM8

37、7.5MHz 108.0MHz50kHz+10.7MHz25kHz0011 AM531kHz 1602kHz9kHz+450kHz9kHz E3FM87.5MHz 108.0MHz50kHz+10.7MHz25kHz0101 (RDS)AM531kHz 1602kHz9kHz+450kHz9kHz E4FM87.5MHz 108.0MHz50kHz+10.7MHz25kHz0110 (LW)MW531kHz 1602kHz9kHz+450kHz9kHz (RDS)LW153kHz 279kHz9kHz+450kHz9kHz MK2/E1 change only setting DSW100(Q

38、3, D11)1 (DSW1 = 0 : K2, 1 : E1)X Diode SW (DSWx) :0 = no diode (static mode, LOW) 1 = diode (static mode, HIGH) X = Transistor SW (0 = OFF/1 = ON) 3-5 MODEL DISTINCTION C-V350, 300/C-V150, 100 MODEL DIODE SW (X11) D16 C-V150, 1000 C-V350, 3001 C-V100(K) 116pnew 97.7.15 7:34 PM 12 CIRCUIT DESCRIPTIO

39、N C-V100/V150/V300/V350 13 OPERATION TUNEREXCEPT TUNERREMARKS KEY 1 INPUT # 00 87.50 CD LD 6ch INPUT(C-V300/V350 only) TAPE 1 AUX VCR 2TIMER SETPRESET ch UPPROLOGIC 3 STEREO 3TIMER MODEPRESET ch DOWN ARENA JAZZ CLUB STADIUM 4CLOCKFL lighting ON OFFSTEREO MUTE ON OFF 5DISPLAYTIMER NO PS 01 87.50C-V15

40、0/V350 6PTY INPUT SELECTOR OFF, S-LEVEL ON, S-LEVEL C-V150/V350 7TA/NEWS/INFO TA NEWS INFO C-V150/V350 8STEREOSTEREO MUTE ON OFFEXCEPT C-V100 9 PRO LOGIC ON OFF PRO LOGIC 3 STEREOEXCEPT C-V100 (TEST TONE ON / OFF by AUTO key) 10A, MEMOFREQUENCY UP 11AUTOAUTO ON OFF ON OFF STEREO 12MODE TEST MODE 1.

41、SETTING SETTING While depressing the INPUTkey, then plug the power cord into AC outlet. The display becomes the all lighting, then push a key. The display becomes normal. CANCELPOWER OFF (Remove the AC plug from the AC outlet) 2. DESCRIPTION SOURCE DIRECT Key LEVEL MODE BASSDOWNUP TREBLE LR BALANCE

42、SW ch INPUT-6dB0dB key LEVELTUNINGBAND MODE VOLUME-89dB0dB-40dB SP. SWMINMAX0dB DELAY153020 INPUT-6dB0dB-6dB0dB0 EFFECT153 L. R BALANCE DOWNUP LmaxRmax CENTER TONEMINMAXFLAT C-V100(K) 116pnew 97.7.15 7:34 PM 13 C-V100/V150/V300/V350 14 ADJUSTMENT No.ITEM INPUT SETTING OUTPUT SELECTOR TUNER/AMP SETTI

43、NG ALIGNMENT POINTS ALIGN FORFIG. SELECTOR : FM 1 DISCRIMINATOR L31L32 (E, T only) (A) 98.0MHz 1kHz, 40kHz dev (E, T type) 60dBu (ANT INPUT) Connect a DC voltmeter between port of CN2 AUTO 98.0MHz L31 (X05-)0V (a) (B)L32 (X05-) Minimum distrotion 2 DISTORTION (STEREO) (C) 98.0MHz 1kHz, 40kHz dev pil

44、ot: 6kHz dev 60dBu (ANT INPUT) (B) AUTO (98.0MHz) IFT (W02-) Mininum distrotion (a) ANTENNA AM FM 75 GND CONNECT WITH POWER AMPLIFIER SYSTEM CONTROL CDAUXTAPE 1/ MD ININRECPLAYIN TAPE 2 (MONITOR) AUDIO FRONTRECRECPLAYPLAY MONITOR OUT SURROUND VIDEO CENTER SUBWOOFER UNSWITCHED LD /DVD VCR L R DVD 6CH

45、.INPUTDVD 6CH.INPUT DIGITAL IN DIGITAL IN FM 50kHz AM 9kHz FM 100kHz AM 10kHz 50s75s DE- EMPHASIS CHANNEL SPACE Oscilloscope Distortion meter AC voltmeter Dummy antenna (B) (A) (C) (D) AG AG FM SG MPX AG FM SG AM SG (a) ERROR MESSAGE DISPLAYDESCRIPTION ERR 1Main u-com sub clock no output ERR 2Main u

46、-com sub clock frequency NG C-V100(K) 116pnew 97.7.15 7:34 PM 14 15 ACEBD 2 1 3 5 7 4 6 PC BOARD (Compornent side view) Refer to the schematic diagram for the value of resistors and capacitors. 16 FHJGI 2 1 3 5 7 7 4 6 PC BOARD (Compornent side view) Refer to the schematic diagram for the value of r

47、esistors and capacitors. KMOQSLNPRT 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD(Component side view) 1718 UVXZABADWYAAAC 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD(Component side view) 1920 AEAGAIAKAMAFAHAJALAN 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD(Component side view) 2122 ABDFHJCEGI 2 1 3 5 7 4 6 () ( ( ( ) ) ) X 18 R27 10K PHASE DETECTOR CHARGE PUMP DAT