Kenwood-KRFV7200D-avr-sm 维修电路原理图.pdf

《Kenwood-KRFV7200D-avr-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Kenwood-KRFV7200D-avr-sm 维修电路原理图.pdf（48页珍藏版）》请在收音机爱好者资料库上搜索。

1、This product uses Lead Free solder.This product complies with the RoHS directive for the European market.AUDIO-VIDEO CONTROL CENTERKRF-V6200D/V6200D-SKRF-V7200D/V7200D-SSERVICE MANUAL 2007-7 PRINTED IN JA PANB53-4014-00 (N/J) 127* Refer to parts list on page 36.SURROUND BACK230V50HzSWITCHEDTOTAL 90W

2、400mA MAX.TANCOAXIALDVD/6CHAUXAMGNDCD/DVDREC OUT PLAY INDVDINMD/TAPEREC OUT PLAY INVIDEO 1ANTENNAFRONT SURROUNDDVD/6CH INPLAY INCENTERSUBWOOFERVIDEO 2YCBCRSUB WOOFEROPTICALCD/DVDOPTICALVIDEO 2VIDEO 2INMONITOROUTVIDEO 1INDVDINDVDINVIDEO 2INVIDEO 1INVIDEO 1OUTVIDEO 2INMONITOROUTMONITOROUTRBROWNGREENCE

3、NTERLSURROUNDGRAYRRBLUELRLSPEAKER ASPEAKER BREDRWHITELLAC OUTLETSSURROUND SPEAKERS(6-16?)FRONT SPEAKERS(6-16?)PRE OUTAUDIODIGITAL INFM 75?COMPONENT VIDEOS-VIDEOVIDEOSPEAKER A/B/OFFMULTI CONTROLVOLUME CONTROLINPUT SELECTORPURE AUDIO MODEUSB/AV AUXLISTEN MODESET UPBANDAUTO/MONO ACTIVE EQ INPUT MODEVID

4、EOL-AUDIO-RUSBPHONESDOLBY DIGITALDTSACTIVE EQSPEAKERS BPURE AUDIO MODEKnob(K29-8591-03): S(K29-8592-03): BPanel *(A60-)Front glass(B10-5621-02)Knob *(K29-)Knob(K29-8589-02): S(K29-8590-02): BPhone jack(E11-0271-05)Knob(K29-8585-04): S(K29-8586-04): BKnob(K29-8585-04): S(K29-8586-04): BEscutcheon(B07

5、-2749-01): S(B07-2750-01): BPin jack(E63-1388-05)Rectangular plug(E59-0849-05)Tuner assy(W02-4609-05)Pin jack(E63-1338-05)Pin jack(E63-1417-05)Pin jack(E63-1146-15)Pin jack(E63-1416-05)Optical receiving module(W02-4652-05)Pin jack(E63-1414-05)Cylindrical receptacle(E56-0058-05)Pin jack(E63-1368-05)P

6、in jack(E63-1371-05)AC power cord *(E30-)Metallic cabinet(A01-3976-11): S(A01-3977-11): BFoot(J02-1464-03)Screw terminal(E70-1018-05+)Cover(F07-2037-12)Screw terminal(E70-1009-05+)Screw terminal(E70-1018-05+)AC outlet *(E03-)Figure is KRF-V7200D/D-SS: Silver, B: BlackRadioFans.CN 收音机爱 好者资料库Playable

7、USB device and fi lesUSB device Playable USB device Flash memories and digital audio players which work as mass-storage-class devices. The maximum current drain should be no more than 500mA. Playable USB device fi le system FAT16, FAT32 Applicable memory FAT32 : 256MB or larger FAT16 : 128MB or larg

8、er Subclass SCSI Limitation of structure for the fi le and the folder Maximum number of directory levels: 8 Maximum number of folders: 700 Maximum number of fi les: 65535Notes: Take backups of the audio files used with this unit. The fi les can be erased depending on the operating conditions of the

9、USB device. We shall have no compensation for any damage arising out of erasure of the stored data. Using an unsupported USB device can result in abnormal playback or display of the audio fi le. Even if you use the USB device conforming to the above specs, audio fi les cannot be played normally depe

10、nding on the type or condition of the USB device.Audio fi le Playable Audio fi le MP3 (.mp3), WMA (.wma), AAC (.m4a) Playable MP3 fi le Format: MPEG 1 Audio Layer 3, MPEG 2 AUDIO LSF (Low Sampling Frequency) Layer 3 Extensions: .mp3 Transfer bit rate (MPEG 1 Audio Layer 3): 32/40/48/56/64/80/96/112/

11、128/160/ 192/224/256/320kbps/VBR Transfer bit rate (MPEG 2 Audio LSF Layer 3): 8/16/24/32/40/48/56/64/80/96/112/ 128/144/160kbps/VBR Sampling frequency (MPEG 1 Audio Layer 3): 32/44.1/48kHz Sampling frequency (MPEG 2 Audio LSF Layer 3): 16/22.05/24kHz Playable WMA fi le Format: The fi le in accordan

12、ce with Windows Media Audio 9.2 Extensions: .wma Transfer bit rate: (CBR) 48-320kbps, (VBR) Peak 384 kbps Sampling frequency: 32/44.1/48kHz Playable AAC fi le Format: MPEG-4/AAC LC (Low Complexity), MPEG-2/AAC LC (Low Complexity). Extensions: .m4a Transfer bit rate: 8-320kbps Sampling frequency: 8/1

13、1.025/12/16/22.05/24/32/44.1/48kHz2KRF-V6200D/V7200DACCESSORIES / CAUTIONSAccessoriesCautionsInformation on Disposal of Old Electrical and Electronic Equipment (applicable for EU countries that have adopted separate waste collection systems)Products with the symbol (crossed-out wheeled bin) cannot b

14、e disposed as household waste.Old electrical and electronic equipment should be recycled at a facility capable of handling these items and their waste by products.Contact your local authority for details in locating a recycle facility nearest to you.Proper recycling and waste disposal will help cons

15、erve resources whilst preventing detrimental effects on our health and the environment.FM indoor antenna (1)(T90-0877-05)AM loop antenna (1)(T90-0893-05)Remote control unit (1)RC-R0732(A70-1720-05)Batteries (R03) (2)(-)RadioFans.CN 收音机爱 好者资料库Notes: WMA fi les which cannot be played with this unit: W

16、MA 9 series Professional WMA 9 series Voice WMA 9 series Lossless WMA fi le which contains video The fi les with copy protection cannot be played. The unit may not be compatible with upgrade of compression format standard and additional specifi cations. This unit can display the following versions o

17、f ID3 tag: version 1.0/ 1.1/ 2.2/ 2.3Resetting the MicrocomputerThe microcomputer may malfunction (unit cannot be operated, or shows an erroneous display) if the power cord is unplugged while the power is ON, or due to some other external factor. If this happens, execute the following procedure to r

18、eset the microcomputer and return the unit to its normal operating condition.While holding down key on the unit, unplug the power cord and plug it back in. Please note that resetting the microcomputer will clear the contents of the memory and return the unit to the state it was in when it left the f

19、actory.Memory back up functionPlease note that the following items will be deleted from the units memory if the power cord is disconnected from the AC outlet for approximately 1 day. Input selector settings Volume level BASS, TREBLE, INPUT level TONE ON/OFF ACTIVE EQ mode Dimmer level Speaker settin

20、gs Sound Adjustment (Input level, Midnight mode, Panorama mode, Dimension mode, Center Width mode) Listen mode setting Tuner setting3KRF-V6200D/V7200DCAUTIONS4KRF-V6200D/V7200DBLOCK DIAGRAMDSPIC501 (X08)COAX.DVD/6chCD/DVDOPT.VIDEO2OPT.CODEC(X08)IC401DIGITALINPUT-20dBFs(X08)J595A592(X08)A591(X08)IC71

21、 (X08)IC31 (X08)IC51 (X08)IC11 (X08)FL,FRSWSL,SRSBL,SBRMD/TAPEJ301 (X08)VIDEO1J311 (X08)TUNERUNIT(W02-4609)CD/DVDJ301 (X08)MD/TAPEJ311 (X08)VIDEO1J311 (X08)VIDEO2J331 (X08)AUXJ301 (X08)FRONTJ302 (X14)J331 (X08)SWSL,SRCENTERFL,FRJ341 (X08)J331 (X08)J341 (X08)ANTENNAAUX550mVDVD/6chANALOGINPUTOUTPUTANA

22、LOGDIGITAL RECIC151 (X08)E VOLUMEBUFFERBUFFERBUFFERATTTONECENTERSL,SRSWFL,FRMUTEQ7,8 (X09)0dBPOWER AMPIC1/2 (X09)Q3,4 (X09)MUTE0dBMUTEQ101 (X09)0dBQ5,6 (X09)MUTEQ7,8 (X09)MUTE0dB0dBPHONESHP RLYJ901 (X14)IC101 (X08)PRE OUTJ371 (X08)(X08)20dBMUTEPROTECTION CCTTACT SWITCHRDSTUNER + MUTINGSTANDBY LED +

23、SWRESET. CE CCTIR MODULEROTARY ENCODERSLED DRIVERLEDTYPE + DESTMAIN u-COMIC601 (X08)DSP UNITCODEC & DIRDSP & MEMORYAUTO DIG. SW.SYSTEM CONTROLDE EMPHASIS SW.REMOTE CONTROL CCTFAN CONTROLVIDEO IC + MUTINGSYSTEM ICPACK CONTROLSURR RELAY CONTROLSP RELAY CONTROLDETECTORDOT MATRIXDISPLAY DRIVERANALOG MUT

24、E + LIM.IC602 (X14)SELECTORCOMPOSITEVIDEO1VIDEO2DVDAV-AUXVIDEO1MONITORCOMPOSITEVIDEO INCOMPOSITEVIDEO OUTJ601 (X14)J602 (X14)RELAYK201 (X14)FUSEF201 (X14)D501 (X09)D502-505 (X09)+12V AVRIC3 (X09)-12V AVRIC4 (X09)+5V AVRIC871 (X08)D205-208 (X14)u-COM. SERIAL CTRLIC815 (X08)+2.5V AVRD510 (X09)DSPDSP.

25、MEMORY. CODEC+3.5V AVRIC811 (X08)DIR. LEVEL SHIFTERS+5V AVRIC801 (X08)LED DRIVER. RDS+5V AVRIC805 (X08)USB+5V AVRIC5 (X09)u-COM,DISPLAY DRIVERPOWER AMPA-CLASS,CONFIG,LPF,PRE-AMP, TUNER PACK+7V AVRQ831 (X08)-7V AVRQ832 (X08)E. VOLUMEQ407 (X14)(S. COMPONENT)VIDEO IC-30V AVRQ501 (X09)-20V AVRQ504 (X09)

26、FANFL(X14)T201AC IN+5VDIVIDERK1 (X09)IC51 (X08)CENTERSBL,SBRK4 (X09)J7 (X09)CENTERK2 (X09)J5 (X09)A SPEAKERQ201-220IC1 (X09)IC1/2 (X09)K2 (X09)J5 (X09)A SPEAKERK5 (X09)SURROUNDJ7 (X09)IC1/2 (X09)K6 (X09)J8 (X08)SURROUNDBACK20dBIC111 (X08)MUTEJ361 (X08)SW 1VQ371-374(X08)Q361,363DECODERMP3WMAHOSTUSBDA

27、CIC900 (X08)JACKJ990 (X08)S-VIDEOINYSELECTORIC501 (X14)J501 (X14)VIDEO2DVDJ501 (X14)MONITOROUTS-VIDEOSELECTORIC502 (X14)CCOMPONENTCrCbIC701 (X14)J701 (X14)VIDEO2VIDEO1YMONITORJ702 (X14)DVDJ702 (X14)F202 (X14)FUSEOUTLETACJ201/202(X14)IC401 (X14)IC402 (X14)(COMPOSITE)VIDEO ICSWPURE MODEPURE MODESWD601

28、 (X09)D802 (X14)D801 (X14)K801POWER AMPSUMMINGIC91TONEON/OFFAUDIO MUTESBL/SBR 1V+8.5V AVR-5V AVRJ501 (X14)J701 (X14)K3 (X09)J6 (X09)B SPEAKERJ302 (X14)D-IND-IND-INA-IN5V5V5VHLHL+POWER SUPPLYu-COM CONTROLSVIDEO SIGNALAUDIO SIGNALKRF-V7200D ONLYKRF-V6200D ONLYKRF-V7200D ONLYKRF-V6200D ONLYUSBKRF-V7200

29、D ONLYKRF-V6200D ONLY5KRF-V6200D/V7200DCIRCUIT DESCRIPTION MN101E16K: Microprocessor (IC601: X08) Port DescriptionsPort No.Port Name I/OExplanationsLogic1RTS_USBOUSB IC reset2PULSE_USBOUSB IC pulse3CE1OChip enable4FL_DINOFL Driver DATA input5FL_DOIFL Driver DATA output6FL_CLKOFL Driver CLOCK7RLY_STB

30、ORelay control IC strobe8FL_STBOFL Driver strobe9-6dB_ATTO-6dB ATT10RLY_CLRORelay control IC CLR11MMODIMemory Mode selective port12OSC2OClock input 13OSC1IClock output 14Vss-Power supply15XIIClock input (NO USED)16XOOClock output (NO USED)17Vdd33-Microprocessor power supply port18Vdd18-Microprocesso

31、r power supply port19RESETIReset port20LED5 (PURE MODE)OPURE AUDIO MODE led21LED4 (DTS)ODTS led22LED3 (DOLBY)ODOLBY DIGITAL led23LED2 (ACTIVE EQ)OACTIVE EQ led24LED6 (SPB)OSPEAKER B led25REMOCONIRemote control input (Interrupt)26RDS_CLKIRDS CLOCK input (Interrupt)27RDS_DATAIRDS DATA input28CODEC_INT

32、IDIR ERROR detection input (Interrupt)29DIGITAL_DETIDIGITAL DETECT input30DSP_INTREQIDSP Interrupt Request input31SBO2_USBIUSB IC DATA output32SBI2_USBOUSB IC DATA input33SCKB_USBOUSB IC CLOCK34DSP/CODEC_SCDINODSP/DIR/CODEC IC DATA input35DSP/CODEC_SCDOUTIDSP/DIR/CODEC IC DATA output36DSP/CODEC_SCCL

33、KODSP/DIR/CODEC IC CLOCK37Vdd18-Power supply38A_MUTEOAudio mute39Vss-Power supply40LIMITEROLimiter6KRF-V6200D/V7200DCIRCUIT DESCRIPTIONPort No.Port Name I/OExplanationsLogic41FAN_CONTOFAN control42AMP_PROTIAMP protection43AVR_PROTIAVR protection44POWER_KEYIPOWER KEY45BAND_KEYIBAND KEY46RLY_DATAORela

34、y control IC data47RLY_CLKORelay control IC clock48RESET_USBOUSB IC reset49STBY_USBOUSB UC standby50POCINT_USBIUSB over-current check port51DIR_PDNODIR power down52F.AUX_KEYIAV AUX key input53VOL_ENC_AIVolume encoder A54VOL_ENC_BIVolume encoder B55DISTIModel type56STEREOOTUNER STEREO DETECT57SDITUNE

35、R SIGNAL DETECT58T_MUTEOTUMER MUTE59PLL_DOITUNER PLL IC DATA out60PLL_CLKOTUNER PLL IC CLOCK61PLL_DINOTUNER PLL IC DATA in62PLL_CEOTUNER PLL IC CHIP ENABLE63Vss-Power supply64VOL_SEL_DATAOVOLUME IC DATA65VOL_SEL_CLKOVOLUME IC CLOCK66SEL_DATAOSELECTOR IC DATA67SEL_CLKOSELECTOR IC CLOCK68SEL_STBOSELEC

36、TOR IC STROBE69LED 1(STANDBY)OSTANDBY led70CODEC_CSODIR/CODEC CS71CODEC_DVFOCODEC DVF72CODEC_PDNOCODEC POWER DOWN73DSP_PDODSP POWER DOWN74DSP_CSODSP CS75EEPROM DATAI/OEEPROM DATA76EEPROM CLKOEEPROM CLOCK77S.DATAI/OSL16 DATA78S.BUSYI/OSL16 BUSY79V_CTRL1OVIDEO CONTROL 180V_CTRL2OVIDEO CONTROL 281V_CTR

37、L3OVIDEO CONTROL 37KRF-V6200D/V7200DPort No.Port Name I/OExplanationsLogic82V_MUTEOVIDEO MUTE83PUREOPURE AUDIO MODE (video on/off)84POWER_RLYOPOWER RELAY85ENC_A1ISELECTOR ENC INPUT A86ENC_A2ISELECTOR ENC INPUT B87CTS_USBIUSB IC CTS88ENC_B1IMULTI CONTROL ENC INPUT A89Vdd5-Power supply90ENC_B2IMULTI C

38、ONTROL ENC INPUT B91Vss-Power supply92TH_DET D1IThermal sensor protection detection 1A/D93TH_DET PACKISignal Level Protection detection PackA/D94FAN LEVELIFAN levelA/D95TH_DET LRIThermal sensor detection L/RA/D96TH_DET D2IThermal sensor protection detection 2A/D97DET_SISignal Level Protection detect

39、ion SurroundA/D98 TH_HIGHTAPISignal Level Protection detection HIGH tapA/D99S-LEVELIRDS SIGNAL LEVEL detectionA/D100Vref+-A/D converters reference voltage *book referred to makers semiconductor handbook AK4628A: CODEC (IC401: X08) Port DescriptionsPort No.Port Name I/OExplanationsLogic1SODSI SDTO So

40、urce Select port.SDOS port should be set to “L” when TDM-“1”L: Internal ADC output,H: DAUX input. 2I2CI Control Mode Selection port.L: 3-Bus Serial, H: I2C Bus.3SMUTEI Soft Mute port.When this port goes to “H”, soft mute cycle is initialized. When returning to “L”, the output mute releases.4BICKI Au

41、dio Serial Data Clock port.-5LRCKI Input Channel Clock port.-6SDTI1I DAC1 Audio Serial Data Input port.-7SDTI2I DAC2 Audio Serial Data Input port.-8SDTI3I DAC3 Audio Serial Data Input port.-9SDTOOAudio Serial Data Output port.-10DAUXIAUX Audio Serial Data Input port.-11DFS0IDouble Speed Sampling Mod

42、e port.L: Normal Speed, H: Double Speed.12SDTI4IDAC4 Audio Serial Data Input port.-13DZFEIZero input Detect Enable port.L: mode 7(disable) at parallel mode, zero detect mode is selectable by DZFM3-0 bits at serial mode. H: mode 0 (DZF1 is AND of is AND of all eight channels.)14TVDD-Output Buffer Pow

43、er Supply port, 2.7-5.5V.-15DVDD-Digital Power Supply Port, 4.5 -5.5V.-16DVSS-Digital Ground.-CIRCUIT DESCRIPTION8KRF-V6200D/V7200DPort No.Port Name I/OExplanationsLogic17PDNIPower-Down and Reset port. When “L”, the AK4628A is powered-down and the control registers are reset to default state. If the

44、 state of P/S or CAD1-0 changes, then the AK4628A must be reset by PDN.18TST1ITest port. This port should be connected to DVSS.-19CSD1IChip Address-1 port.-20CAD0IChip Address-0 port.-21LOUT4ODAC4 L-ch Analog Output port.-22ROUT4ODAC4 R-ch Analog Output port.-23LOUT3ODAC3 L-ch Analog Output port.-24

45、ROUT3ODAC3 R-ch Analog Output port.-25LOUT2ODAC2 L-ch Analog Output port.-26ROUT2ODAC2 R-ch Analog Output port.-27LOUT1ODAC1 L-ch Analog Output port.-28ROUT 1ODAC1 R-ch Analog Output port.-29TST2ITest port. This port should be left fl oating or connected to AVSS.-30NC-No Connect.-31LINIL-ch Analog I

46、nput port.-32RINIR-ch Analog Input port.-33DZF2OZero Input Detect 2-port.When the input data of the group 1 follow total 8192 LRCK cycles with “0” input data, this port goes to “H”. And when RSTN bit is “0”, PWDAN port is “0”, this port goes to “H”. It always is in “L” when P/S is “H”.34VCOMOCommon

47、Voltage Output port, AVDD/2. Large external capacitor 2.2uF is used to reduce power-supply noise.-35VREFHIPositive Voltage Reference Input port, AVDD.-36AVDD-Analog Power Supply port, 4.5-5.5V.-37AVSS-Analog Ground port, 0V.-38DZF1OZero Input Detect 1-port.When the input data of the group 1 follow t

48、otal 8192 LRCK cycles with “0” input data, this port goes to “H”. And when RSTN bit is “0”, PWDAN port is “0”, this port goes to “H”. Output is selected by setting DZFE port when P/S is “H”.39MCLKIMaster Clock Input port.-40P/SIParallel/Serial Selection port.L: Serial control mode, H: Parallel contr

49、ol mode.41DIF0IAudio data Interface Format 0 port in parallel control mode.-42DIF1IAudio data Interface Format 1 port in parallel control mode.-43LOOP0ILoopback Mode 0 port in parallel control mode. Enable digital loop-back from ADC to 4DACs.-44TDM0ITDM I/F Format Mode port.L: Normal mode, H: TDM mo

50、de.CIRCUIT DESCRIPTION9KRF-V6200D/V7200D AK4114VQ: Digital Audio Transceiver (IC402: X08) Port Descriptions Port No.Port Name I/OExplanationsLogic1RX4IReceiving channel #4 port.2NCIConnected to GND.3RX5I Receiving channel #5 port.4TEST2I Connected to GND.5RX6I Receiving channel #6 port.6NCI Connecte