Kenwood-KRFV7200D-avr-sm 电路图 维修手册.pdf

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1、This product uses Lead Free solder. This product complies with the RoHS directive for the European market. AUDIO-VIDEO CONTROL CENTER KRF-V6200D/V6200D-S KRF-V7200D/V7200D-S SERVICE MANUAL 2007-7 PRINTED IN JA PAN B53-4014-00 (N/J) 127 * Refer to parts list on page 36. SURROUND BACK 230V50Hz SWITCHE

2、D TOTAL 90W 400mA MAX. TAN COAXIAL DVD/6CH AUX AM GND CD/DVD REC OUT PLAY IN DVD IN MD/TAPE REC OUT PLAY IN VIDEO 1 ANTENNA FRONT SURROUND DVD/6CH IN PLAY IN CENTER SUB WOOFER VIDEO 2 Y CB CR SUB WOOFEROPTICAL CD/DVD OPTICAL VIDEO 2 VIDEO 2 IN MONITOR OUT VIDEO 1 IN DVD IN DVD IN VIDEO 2 IN VIDEO 1

3、IN VIDEO 1 OUT VIDEO 2 IN MONITOR OUT MONITOR OUT R BROWNGREEN CENTER L SURROUND GRAY R R BLUE LRL SPEAKER ASPEAKER B RED R WHITE L L AC OUTLETS SURROUND SPEAKERS(6-16?) FRONT SPEAKERS(6-16?) PRE OUTAUDIODIGITAL IN FM 75? COMPONENT VIDEOS-VIDEOVIDEO SPEAKER A/B/OFF MULTI CONTROL VOLUME CONTROL INPUT

4、 SELECTOR PURE AUDIO MODE USB/AV AUX LISTEN MODESET UPBANDAUTO/MONO ACTIVE EQ INPUT MODE VIDEOL-AUDIO-RUSB PHONES DOLBY DIGITALDTSACTIVE EQSPEAKERS BPURE AUDIO MODE Knob (K29-8591-03): S (K29-8592-03): B Panel * (A60-) Front glass (B10-5621-02) Knob * (K29-) Knob (K29-8589-02): S (K29-8590-02): B Ph

5、one jack (E11-0271-05)Knob (K29-8585-04): S (K29-8586-04): B Knob (K29-8585-04): S (K29-8586-04): B Escutcheon (B07-2749-01): S (B07-2750-01): B Pin 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 jac

6、k (E63-1416-05) Optical receiving module (W02-4652-05) Pin jack (E63-1414-05)Cylindrical receptacle (E56-0058-05) Pin jack (E63-1368-05) Pin jack (E63-1371-05) AC power cord * (E30-) Metallic cabinet (A01-3976-11): S (A01-3977-11): B Foot (J02-1464-03) Screw terminal (E70-1018-05+) Cover (F07-2037-1

7、2) Screw terminal (E70-1009-05+) Screw terminal (E70-1018-05+) AC outlet * (E03-) Figure is KRF-V7200D/D-S S: Silver, B: Black RadioFans.CN 收音机爱 好者资料库 Playable USB device and fi les USB device Playable USB device Flash memories and digital audio players which work as mass-storage-class devices. The

8、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 larger Subclass SCSI Limitation of structure for the fi le and the folder Maximum number of directory levels: 8 Maximum number of folders: 700

9、Maximum number of fi les: 65535 Notes: Take backups of the audio files used with this unit. The fi les can be erased depending on the operating conditions of the USB device. We shall have no compensation for any damage arising out of erasure of the stored data. Using an unsupported USB device can re

10、sult 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 depending 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 F

11、ormat: MPEG 1 Audio Layer 3, MPEG 2 AUDIO LSF (Low Sampling Frequency) Layer 3 Extensions: .mp3 Transfer bit rate (MPEG 1 Audio Layer 3): 32/40/48/56/64/80/96/112/128/160/ 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 Samp

12、ling 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 accordance with Windows Media Audio 9.2 Extensions: .wma Transfer bit rate: (CBR) 48-320kbps, (VBR) Peak 384 kbps Sampling frequency: 32/44.1/48k

13、Hz 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: 8/11.025/12/16/22.05/24/32/44.1/48 kHz 2 KRF-V6200D/V7200D ACCESSORIES / CAUTIONS Accessories Cautions Information on Disposal of Old Electr

14、ical and Electronic Equipment (applicable for EU countries that have adopted separate waste collection systems) Products with the symbol (crossed-out wheeled bin) cannot be disposed as household waste. Old electrical and electronic equipment should be recycled at a facility capable of handling these

15、 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 conserve resources whilst preventing detrimental effects on our health and the environment. FM indoor antenna (1) (T90-0877-05) AM

16、 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: WMA 9 series Professional WMA 9 series Voice WMA 9 series Lossless WMA fi le which contains video The fi les with co

17、py 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 of ID3 tag: version 1.0/ 1.1/ 2.2/ 2.3 Resetting the Microcomputer The microcomputer may malfunction (unit cannot be

18、 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 reset the microcomputer and return the unit to its normal operating condition. While holding down key on the unit,

19、 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 factory. Memory back up function Please note that the following items will be deleted from the units memory if th

20、e 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 settings Sound Adjustment (Input level, Midnight mode, Panorama mode, Dimension mode, Center Width mode) Listen mode

21、 setting Tuner setting 3 KRF-V6200D/V7200D CAUTIONS RadioFans.CN 收音机爱 好者资料库 4 KRF-V6200D/V7200D BLOCK DIAGRAM DSP IC501 (X08) COAX. DVD/6ch CD/DVD OPT. VIDEO2 OPT. CODEC (X08) IC401 DIGITAL INPUT -20dBFs (X08) J595 A592 (X08) A591 (X08) IC71 (X08) IC31 (X08) IC51 (X08) IC11 (X08) FL,FR SW SL,SR SBL,

22、SBR MD/TAPE J301 (X08) VIDEO1 J311 (X08) TUNER UNIT (W02-4609) CD/DVD J301 (X08) MD/TAPE J311 (X08) VIDEO1 J311 (X08) VIDEO2 J331 (X08) AUX J301 (X08) FRONT J302 (X14) J331 (X08) SW SL,SR CENTER FL,FR J341 (X08) J331 (X08) J341 (X08) ANTENNA AUX 550mV DVD/6ch ANALOG INPUT OUTPUT ANALOG DIGITAL REC I

23、C151 (X08)E VOLUME BUFFER BUFFERBUFFER ATT TONE CENTER SL,SR SW FL,FR MUTE Q7,8 (X09) 0dB POWER AMP IC1/2 (X09) Q3,4 (X09) MUTE 0dB MUTE Q101 (X09) 0dB Q5,6 (X09) MUTE Q7,8 (X09) MUTE 0dB 0dB PHONES HP RLY J901 (X14) IC101 (X08) PRE OUT J371 (X08) (X08) 20dB MUTE PROTECTION CCT TACT SWITCH RDS TUNER

24、 + MUTING STANDBY LED + SW RESET. CE CCT IR MODULE ROTARY ENCODERS LED DRIVER LED TYPE + DEST MAIN u-COM IC601 (X08) DSP UNIT CODEC & DIR DSP & MEMORY AUTO DIG. SW. SYSTEM CONTROL DE EMPHASIS SW. REMOTE CONTROL CCT FAN CONTROL VIDEO IC + MUTING SYSTEM IC PACK CONTROL SURR RELAY CONTROL SP RELAY CONT

25、ROL DETECTOR DOT MATRIX DISPLAY DRIVER ANALOG MUTE + LIM. IC602 (X14) SELECTOR COMPOSITE VIDEO1 VIDEO2 DVD AV-AUX VIDEO1 MONITOR COMPOSITE VIDEO IN COMPOSITE VIDEO OUT J601 (X14) J602 (X14) RELAY K201 (X14) FUSE F201 (X14) D501 (X09) D502-505 (X09) +12V AVR IC3 (X09) -12V AVR IC4 (X09) +5V AVR IC871

26、 (X08) D205-208 (X14) u-COM. SERIAL CTRL IC815 (X08) +2.5V AVR D510 (X09) DSP DSP. MEMORY. CODEC +3.5V AVR IC811 (X08) DIR. LEVEL SHIFTERS +5V AVR IC801 (X08) LED DRIVER. RDS+5V AVR IC805 (X08) USB +5V AVR IC5 (X09) u-COM,DISPLAY DRIVER POWER AMP A-CLASS,CONFIG,LPF, PRE-AMP, TUNER PACK +7V AVR Q831

27、(X08) -7V AVR Q832 (X08) E. VOLUME Q407 (X14) (S. COMPONENT) VIDEO IC -30V AVR Q501 (X09) -20V AVR Q504 (X09) FAN FL (X14) T201 AC IN +5V DIVIDER K1 (X09) IC51 (X08) CENTER SBL,SBR K4 (X09) J7 (X09) CENTER K2 (X09) J5 (X09) A SPEAKER Q201-220 IC1 (X09) IC1/2 (X09) K2 (X09) J5 (X09) A SPEAKER K5 (X09

28、) SURROUND J7 (X09) IC1/2 (X09) K6 (X09) J8 (X08) SURROUND BACK 20dB IC111 (X08) MUTE J361 (X08) SW 1V Q371-374 (X08) Q361,363 DECODER MP3 WMA HOST USB DAC IC900 (X08) JACK J990 (X08) S-VIDEO IN Y SELECTOR IC501 (X14) J501 (X14) VIDEO2 DVD J501 (X14) MONITOR OUT S-VIDEO SELECTOR IC502 (X14) C COMPON

29、ENT Cr Cb IC701 (X14) J701 (X14) VIDEO2 VIDEO1 Y MONITOR J702 (X14) DVD J702 (X14) F202 (X14) FUSE OUTLET ACJ201/202 (X14) IC401 (X14) IC402 (X14) (COMPOSITE) VIDEO IC SW PURE MODE PURE MODE SW D601 (X09) D802 (X14) D801 (X14) K801 POWER AMP SUMMING IC91 TONE ON/OFF AUDIO MUTE SBL/SBR 1V +8.5V AVR -

30、5V AVR J501 (X14) J701 (X14) K3 (X09) J6 (X09) B SPEAKER J302 (X14) D-IN D-IN D-IN A-IN 5V5V5V H L H L + + + POWER SUPPLY u-COM CONTROLS VIDEO SIGNAL AUDIO SIGNAL KRF-V7200D ONLY KRF-V6200D ONLY KRF-V7200D ONLY KRF-V6200D ONLY USB KRF-V7200D ONLY KRF-V6200D ONLY 5 KRF-V6200D/V7200D CIRCUIT DESCRIPTI

31、ON MN101E16K: Microprocessor (IC601: X08) Port Descriptions Port No.Port Name I/OExplanationsLogic 1RTS_USBOUSB IC reset 2PULSE_USBOUSB IC pulse 3CE1OChip enable 4FL_DINOFL Driver DATA input 5FL_DOIFL Driver DATA output 6FL_CLKOFL Driver CLOCK 7RLY_STBORelay control IC strobe 8FL_STBOFL Driver strob

32、e 9-6dB_ATTO-6dB ATT 10RLY_CLRORelay control IC CLR 11MMODIMemory Mode selective port 12OSC2OClock input 13OSC1IClock output 14Vss-Power supply 15XIIClock input (NO USED) 16XOOClock output (NO USED) 17Vdd33-Microprocessor power supply port 18Vdd18-Microprocessor power supply port 19RESETIReset port

33、20LED5 (PURE MODE)OPURE AUDIO MODE led 21LED4 (DTS)ODTS led 22LED3 (DOLBY)ODOLBY DIGITAL led 23LED2 (ACTIVE EQ)OACTIVE EQ led 24LED6 (SPB)OSPEAKER B led 25REMOCONIRemote control input (Interrupt) 26RDS_CLKIRDS CLOCK input (Interrupt) 27RDS_DATAIRDS DATA input 28CODEC_INTIDIR ERROR detection input (I

34、nterrupt) 29DIGITAL_DETIDIGITAL DETECT input 30DSP_INTREQIDSP Interrupt Request input 31SBO2_USBIUSB IC DATA output 32SBI2_USBOUSB IC DATA input 33SCKB_USBOUSB IC CLOCK 34DSP/CODEC_SCDINODSP/DIR/CODEC IC DATA input 35DSP/CODEC_SCDOUTIDSP/DIR/CODEC IC DATA output 36DSP/CODEC_SCCLKODSP/DIR/CODEC IC CL

35、OCK 37Vdd18-Power supply 38A_MUTEOAudio mute 39Vss-Power supply 40LIMITEROLimiter 6 KRF-V6200D/V7200D CIRCUIT DESCRIPTION Port No.Port Name I/OExplanationsLogic 41FAN_CONTOFAN control 42AMP_PROTIAMP protection 43AVR_PROTIAVR protection 44POWER_KEYIPOWER KEY 45BAND_KEYIBAND KEY 46RLY_DATAORelay contr

36、ol IC data 47RLY_CLKORelay control IC clock 48RESET_USBOUSB IC reset 49STBY_USBOUSB UC standby 50POCINT_USBIUSB over-current check port 51DIR_PDNODIR power down 52F.AUX_KEYIAV AUX key input 53VOL_ENC_AIVolume encoder A 54VOL_ENC_BIVolume encoder B 55DISTIModel type 56STEREOOTUNER STEREO DETECT 57SDI

37、TUNER SIGNAL DETECT 58T_MUTEOTUMER MUTE 59PLL_DOITUNER PLL IC DATA out 60PLL_CLKOTUNER PLL IC CLOCK 61PLL_DINOTUNER PLL IC DATA in 62PLL_CEOTUNER PLL IC CHIP ENABLE 63Vss-Power supply 64VOL_SEL_DATAOVOLUME IC DATA 65VOL_SEL_CLKOVOLUME IC CLOCK 66SEL_DATAOSELECTOR IC DATA 67SEL_CLKOSELECTOR IC CLOCK

38、68SEL_STBOSELECTOR IC STROBE 69LED 1(STANDBY)OSTANDBY led 70CODEC_CSODIR/CODEC CS 71CODEC_DVFOCODEC DVF 72CODEC_PDNOCODEC POWER DOWN 73DSP_PDODSP POWER DOWN 74DSP_CSODSP CS 75EEPROM DATAI/OEEPROM DATA 76EEPROM CLKOEEPROM CLOCK 77S.DATAI/OSL16 DATA 78S.BUSYI/OSL16 BUSY 79V_CTRL1OVIDEO CONTROL 1 80V_C

39、TRL2OVIDEO CONTROL 2 81V_CTRL3OVIDEO CONTROL 3 7 KRF-V6200D/V7200D Port No.Port Name I/OExplanationsLogic 82V_MUTEOVIDEO MUTE 83PUREOPURE AUDIO MODE (video on/off) 84POWER_RLYOPOWER RELAY 85ENC_A1ISELECTOR ENC INPUT A 86ENC_A2ISELECTOR ENC INPUT B 87CTS_USBIUSB IC CTS 88ENC_B1IMULTI CONTROL ENC INPU

40、T A 89Vdd5-Power supply 90ENC_B2IMULTI CONTROL ENC INPUT B 91Vss-Power supply 92TH_DET D1IThermal sensor protection detection 1A/D 93TH_DET PACKISignal Level Protection detection PackA/D 94FAN LEVELIFAN levelA/D 95TH_DET LRIThermal sensor detection L/RA/D 96TH_DET D2IThermal sensor protection detect

41、ion 2A/D 97DET_SISignal Level Protection detection SurroundA/D 98 TH_HIGHTAPISignal Level Protection detection HIGH tapA/D 99S-LEVELIRDS SIGNAL LEVEL detectionA/D 100Vref+-A/D converters reference voltage *book referred to makers semiconductor handbook AK4628A: CODEC (IC401: X08) Port Descriptions P

42、ort No.Port Name I/OExplanationsLogic 1SODSI SDTO Source 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.

43、When returning to “L”, the output mute releases. 4BICKI Audio 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.- 10DAUXIAU

44、X Audio Serial Data Input port.- 11DFS0IDouble Speed Sampling Mode 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 (D

45、ZF1 is AND of is AND of all eight channels.) 14TVDD-Output Buffer Power Supply port, 2.7-5.5V.- 15DVDD-Digital Power Supply Port, 4.5 -5.5V.- 16DVSS-Digital Ground.- CIRCUIT DESCRIPTION 8 KRF-V6200D/V7200D Port No.Port Name I/OExplanationsLogic 17PDNIPower-Down and Reset port. When “L”, the AK4628A

46、is powered-down and the control registers are reset to default state. If the state of P/S or CAD1-0 changes, then the AK4628A must be reset by PDN. 18TST1I Test port. This port should be connected to DVSS. - 19CSD1IChip Address-1 port.- 20CAD0IChip Address-0 port.- 21LOUT4ODAC4 L-ch Analog Output po

47、rt.- 22ROUT4ODAC4 R-ch Analog Output port.- 23LOUT3ODAC3 L-ch Analog Output port.- 24ROUT3ODAC3 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.- 29TST2I Test port. Th

48、is port should be left fl oating or connected to AVSS. - 30NC-No Connect.- 31LINIL-ch Analog Input 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

49、“0”, PWDAN port is “0”, this port goes to “H”. It always is in “L” when P/S is “H”. 34VCOMO Common 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 total 8192 LRCK cycles with “0” input data, this port goes to “H”. And when RSTN bit is “0”,