Kenwood-DVR7000-avr-sm 电路图 维修手册.pdf

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1、DVD / AV RECEIVER DVR-505/7000 SERVICE MANUAL 2001-12 PRINTED IN KOREA B51-5779-00 (K/K) 3482 DIGITAL (OPTICAL) S VIDEO Front panel * (A60-) Crystal window (B10-3850-08) In compliance with Federal Regulations, following are repro- duction of labels on, or inside the product relating to laser product

2、 safety. KENWOOD-Corp. certifies this equipment conforms to DHHS Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J. DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM. Caution : No connection of ground line if disassemble the unit. Please connect the groun

3、d line on rear panel, PCBs, Chassis and some others. Knob(VOLUME) (K29-8164-08) Button (K29-8163-08) Button(POWER) (K29-8165-08) Indicator select (B19-1643-08) Optical input jack (W02-2934-08) Phone jack (E11-0957-08) S-video jack (E56-0045-08) RCA jack (E63-1272-08) * Refer to parts list on page 29

4、 . * Refer to page2 if you want to know system configuration. 70% (DVT-505/7000)* DIN socket (E63-1243-08) Top cover (A01-3863-08) Tuner assy * (W02-) AC power cord * (E30-) Clamp cord (J42-0350-08) Oscillating module (W02-2911-08) Oscillating module (W02-2934-08) Phono jack (E63-1244-08) RCA jack (

5、E70-0165-08) Phono jack (E63-1270-08) Slide switch(SW1) (S62-0113-08) RadioFans.CN 收音机爱 好者资料库 AC Plug Adaptor (1) (E03-0115-05) Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.) FM indoor antenna (1)Loop antenna (1) Remote c

6、ontrol unit (1) Batteries (LR03/AAA) (2) Video cord (1) SCART plug (1) (for U.K. only)Speaker cords (6) (T90-0882-08) (A70-1580-08): KPXY (A70-1580-08): MM2M3 (A70-1581-08): TE (E30-7265-08): Red (E30-7266-08): Blue (E30-7267-08): Brown (E30-7268-08): Blue (E30-7269-08): Gray (E30-7270-08): Orange (

7、T90-0896-08) (E69-0012-05) (E30-1427-05) DVR-505/7000 2 CONTENTS / ACCESSORIES / CAUTIONS CONTENTS / ACCESSORIES / CAUTIONS. 2 BLOCK DIAGRAM .3 CIRCUIT DESCRIPTION.4 WIRING DIAGRAM.9 PC BOARD . 10 SCHEMATIC DIAGRAM . 16 EXPLODED VIEW .28 PARTS LIST.29 SPECIFICATIONS .Back cover Contents Accessories

8、The marking this product has been classified as Class 1. It means that there is no danger of hazardous radia- tion outside the product. Location: Back panel CLASS 1 LASER PRODUCT The marking of products using lasers (Except for some areas) Operation to reset The microcomputer may fall into malfuncti

9、on (impossibility to operate, erroneous display, etc.) when the power cord is un- plugged while power is ON or due to an external factor. In this case, execute the following procedure to reset the microcom- puter and return it to normal condition. Please note that resetting the microcomputer clears

10、the contents stored in and returns and to condition when it left the factory. Set the POWER switch to ON (set to Standby mode). Then press the key, 4 key and STOP key in this order. Cautions SYSTEMMAIN UNITDESTINATION SPEAKER DVT-505DVR-505KP KS-305DV SW-15DV DVT-7000DVR-7000ETMXYKSW-7000 DVT-7000(M

11、2)DVR-7000(M2)M2KSW-7000 DVT-7000(M3)DVR-7000(M3)M3KSW-7000 System configuration RadioFans.CN 收音机爱 好者资料库 DVR-505/7000 3 D GND 6dB 6dB C-VIDEO DVD S-VIDEO 6dB 6dB DVD AGND -5.6V +5.6V COMPOSITE R(CR) B(CB) G(Y) C Y +5.6V -5.6V AGND R(CR) B(CB) G(Y) C Y CVBS FROM SYSTEM u-COM 27MHz DAC MCLK AGND MGND

12、DGND +5.6V SPDIF DGND MGND +5VA AGND +12VA -5VA +3.5V +2.5V +5V +5.5VS +12VM +12VM to DVD & VIDEO GND P/C 5.5VS P/D to FRONT LPF LPF LPF LPF LPF LPF INPUT 12.28MHz SDATAN1 SW CT RS LS FR FL DVD FROM SYSTEM u-COM SW CT RS FR LS FL SW CT RS LS FR FL FL GND FR RS GND LS CENTER GND SW DC PRTECTION CHGND

13、 AM OSCFM OSC 224 DGND AGND TUNER-L TUNER-R to u-COM AGND BUFFER RDS DATA/CLK GND GND 7 4 5 6 1 2 3 1 2 3 1 2 F202 F201 RY201 ST-BY +5V AC INPUT FOR SMPS AC2AC1 + VEE/S1 VDD/S1 + -15V + +15V AC1 + AC2 OUT GND IN FL AC FL AC +3.3V +5V + FUNCTIONSECTIONCONTROLSECTION VOLUME/TONETUNERDVD CONTROL LED CE

14、,CLK,DATA 4094 +5V A/D INPUT P/C RDS DATA/CLK POWER DOWNTO SMPS DETECT DC PROTECT DGND HEADPHONE DETECT H MUTE 17dB FRONT MUTE SUR MUTE MUTE CENSUB/W MUTE SUB WOOFER AUX(F) VIDEO2 R/O P/B MONITOR VIDEO1 MONITOR R/O VIDEO2 P/B AUX(F) VIDEO1 VIDEO SWITCHING AUDIO OUTPUT IC201 MPEG PROCESSOR SDRAM FLAS

15、H EEPROM ADC MECHANISM CONTROL LOAD PLL IC DAC AUDIO- IC1 SECTION DVD SMPS FOR DVD & VIDEO FOR DVD AC INPUT AUX(F) COAXIAL OPTICAL COAXIAL OPTICAL OPTICAL OUTPUT DIGITAL INPUT DIR PROCESSOR SURROUND ADC & DAC IC5IC1IC14 IC11,12 IC84 VOLUME & MASTER TONE CIRCUIT IC88(2/2) IC88(1/2) IC87(2/2) IC87(1/2

16、) IC86(2/2) IC86(1/2) IC89 SPKR RLY101 IC90 RLY102 SPKR IC91 RLY103 SPKR JACK101-C JACK101-A JACK101-B GND AM LOOP FM75 ANTENNA AM RF FRONT-END FM IF AMP FM/AM DECODER RDS IF+MPX PLL TUNER MODULE VIDEO1 VIDEO1 REC AUX/FRONT SAT/VID2 IC75 IC10 AUDIO SWITCH CN113 CN121CN206 AC INPUT AC INPUT SEL STAND

17、 -BY CONTROL Q201 D70 IC501 SYSTEM u-COM FL431 FL DISPLY IC431 REGISTER SHIFT FRONT KEY FUNCTION HP401 PROTECTION Q76,Q77 HEAD- PHONE IC85 HEADPHONE AMP VIDEO INPUT Q84,85 REC OUT REC OUT DIGITAL IN DATADATA DIGITAL DATA SURROUND DSP BD IC70 IC71 IC73 IC72 DVR-505/7000 BLOCK DIAGRAM RadioFans.CN 收音机

18、爱 好者资料库 DVR-505/7000 4 CIRCUIT DESCRIPTION Port No.Port NameI/ODescription 1GRID2OFIP GRID 2GRID1OFIP GRID 3NC-CONNECTED TO VDD 4POWER DOWNIPOWER DOWN CHECK 5RDS CLKIRDS CLOCK 6DVD RXIDVD UART INTERFACE (RX) 7RDS OPTION-NC (CONNECTED TO GND) 8RMCIREMOTE CONTROLLER SIGNAL 9RDS DATAIRDS DATA 10SM7346

19、CLKOVOLUME IC (IC84) CLOCK 11SM7346 DATAOVOLUME IC (IC84) DATA 12ENCODER UPIENCODER (1) SIGNAL 13ENCODER DWIENCODER (2) SIGNAL 14DVD TXODVD UART INTERFACE (TX) 15DVD RSTODVD RESET 16DSP A. BOOSTODSP AUTO BOOT 17H/P CHKIHEADPHONE CHECK 18CS8415A-CEODIR IC (IC14) CHIP ENABLE 19EMPHASISOCS4228 DAC IC E

20、MPHASIS ON/OFF 20TUNEDITUNED SIGNAL 21DSP INTREQODSP INT REQUEST 224094CEOIC431 CHIP ENABLE 23CS49326 CEOCS49326 DSP IC (IC5) CHIP ENABLE 24CS4228 CEOCS4228 DAC IC (IC1) CHIP ENABLE 25DSP CLKOCS49326 DSP IC (IC5) CLOCK 26CS49326 DATA INICS49326 DSP IC (IC5) DATA 27DSP DA OUTOCS49326 DSP IC (IC5) DAT

21、A 28VREFIA/D REFERENCE (5V) 29PROTECTIAMP PROTECTION IN 30KEY INIA/D KEY 31EEPROM DATAI/OEEPROM (IC502) DATA 32EEPROM CLKOEEPROM (IC502) CLOCK 338415 DA INICS8415 DIR IC (IC14) DATA 34DVD OPTIONIMODEL DISCRIMINATION 35PLL DATA INIPLL DATA 36STEP OPTIONITUNER STEP OPTION 37VSSIAVSS (ANALOG GND) 38RST

22、IRESET(LOW ACTIVE) 39EXTALIX-TAL IN(10MHz) 40XTALOX-TAL OUT(10MHz) 41GND-VSS (DIGITAL GND) 42NCOUNUSED 43GND-GND 44VDDIVDD (DIGITAL VDD) 45VFDPIVFDP (FIP PULL DOWN POWER -30V) 46STANDBYOSTANDBY (POWER RELAY ON/OFF) 47SPK RELAYOSPEAKER RELAY ON/OFF 48SUB ON/OFFOSUB WOOFER GAIN CONTROL 49CS8415 RSTOCS

23、8415 (IC14) RESET 50PLL CEOPLL CHIP ENABLE 51PLL CLKOPLL CLOCK 52PLL D OUTOPLL DATA 53A CLKOCOMMON CLOCK(LC7821,BU4094) 54A DATAOCOMMON DATA(LC7821,BU4094) 5559VIDEO (SW1SW5)OVIDEO SW (15) 1. Port Description of System Microcomputer : CXP828XX(IC501) DVR-505/7000 5 CIRCUIT DESCRIPTION Port No.Port N

24、ameI/ODescription 604228 RSTOCS4228 (IC1) RESET 61LC7821 CEOLC7821(TUNER PACK) CHIP ENABLE 62SM7346 CEOSM7346 (IC84) CHIP ENABLE 63T MUTEOTUNER MUTE 64S MUTEOREAR SIGNAL MUTE 65C MUTEOCENTER SIGNAL MUTE 66F MUTEOFRONT SIGNAL MUTE 67W MUTEOSUB WOOFER SIGNAL MUTE 68CS49326 RSTOCS49326 DSP IC (IC5) RES

25、ET 6971DSP (A15A17)ODSP ROM ADDRESS (SEL 13) 7288SEG (117)OFIP SEGMENT 89VDD-VDD (DIGITAL VDD) 90,91SEG18,19OFIP SEGMENT 92-100GRID (113)OFIP GRID Port No.Port NameI/O MainAlternate function FunctionInputOutput Audio DAC 51DAC SCLKOOver sampling clockEXT AUD CLOCK 52DAC PCMOUT0OPCM out 0EXD AUD DATA

26、 53DAC PCMOUT1-PCM out 1 (unused)EXT AUD REQ 54DAC PCMOUT2-PCM out 2 (unused) 55DAC PCMCLKI/OPCM clock 56DAC LRCLKOLeft/Right clockEXT AUD WCLK 57SPDIF OUTOSPDIF out 48VDD PCM-VDD(+3V3) 49VSS PCM-GND Clock & Reset 124RESETIChip reset 122VDD PLL-VDD PLL 123VSS PLL-GND 120PIX CLKI27MHz main clock PIOs

27、 and communication 186PIO0(0) T STROBEI/OPIO0(0)UART0 data 187PIO0(1) MOD SWI/OPIO0(1)ATAPI RD 188191PIO0(2)PIO0(5) OUnused PIO0(6) SLIDER SENSOR 192OPEN/CLOSEI/OPIO0(6) (DRAWER POSITION) 193 PIO0(7) SLIDER IN (DRAWER CCW/CTRL) I/OPIO0(7) 194PIO1(0) SDAI/OPIO1(0) SSC0 data (MTSR out/MRST in) 195PIO1

28、(1) SCLI/OPIO1(1)SSC0 clock 196 PIO1(2) SLIDER OUT (DRAWER CW CTRL) I/OPIO1(2)PARA DVALID 197PIO1(3) TXD(JIG)I/OPIO1(3) UART2 TXD 200PIO1(4) RXD(JIG)I/OPIO1(4)UART2 RXD 201PIO1(5) FRONT TXDII/OPIO1(5)PARA SYNCUART1 RXD 202TRIGGER INI/OTrigger in for DCU 203TRIGGER OUTI/OTrigger out for DCU 204PIO2(0

29、) H/P IND-Unused 205PIO2(1) FRONT RXDI/OPIO2(1)PARA SYNC 206PIO2(2) -Unused 207PIO2(3) -Unused 208PIO2(4) AUDIO MUTEI/OAudio mute 2. Port list sorted by function for MPEG Processor IC(Main IC201) DVR-505/7000 6 CIRCUIT DESCRIPTION Port No.Port NameI/O MainAlternate function FunctionInputOutput 1PIO2

30、(5) RGB SEL(BLANK)I/ORGB sel.(blank) Unused 2PIO2(6) VIDEO MUTEI/OVideo mute 3PIO2(7) 16: 9 INDICATORI/O16 : 9 indicator(Unused) 6PIO3(0) SCART H(TV/AUX)I/OPIO3(0) UnusedPARA DATA(0) 7PIO3(1) I/OPIO3(1) UnusedPARA DATA(1) 8PIO3(2) I/OUnusedPARA DATA(2) 9PIO3(3)I/OUnused PARA DATA(3) /CAPTURE IN0 10P

31、IO3(4) IR REMOCONI/OUnused 11PIO3(5)I/OUnused PARA DATA(5) /CAPTURE IN2UART2 RTS(RTS2) 12PIO3(6)I/OUnused PARA DATA(6) /UART1 CTS(CTS1) COMP OUT1 13PIO3(7) DVD RESETI/OPIO3(7) PARA DATA(7)/UART2 CTS(CTS2) COPM OUT0 39PIO4(0)HP MUTE-Unused 40PIO4(1)-Unused 41PIO4(2)-Unused 42PIO4(3) DAC RESET-Unused

32、43PIO4(4) PLL CS-Unused 44PIO4(5) DAC CLOCKODAC clock 45PIO4(6) DAC DATAODAC data 46PIO4(7) DAC CSI/OPIO4(07)YC(07) Reserved 20B WCLKI/OUnused 21B V4I/OUnused 22NRSS OUTI/OUnused 103ADC SCLKI/OUnused 104ADC LRCKI/OUnused 105ADC DATAI/OUnused 106ADC PCMCLKOUnused EMI Interface 161170CPU ADR(110)OADR(

33、110) 173183CPU ADR(1121)OADR(1121) 141148CPU DATA(07)I/ODATA(07) 151158CPU DATA(815)I/ODATA(815) 138CPU RAS1I/OUnused 131CPU WAITIConnected to GND 130CPU RWOUnused 128CPU BE(0)OBYTE 0 ENABLE 129CPU BE(1)OBYTE 1 ENABLE 139CPU CAS0OUnused 140CPU CAS1OUnused 135CPU CE(0)OUnused 134CPU CE(1)OUnused 133C

34、PU CE(2)OChip Sel. BANK2 132CPU CE(3)OChip Sel. BANK3 118CPU PRO CLKOSDRAM clock 117CPU OEI/OOutput enable Interrupt 127IRQ(0)IUnused 126IRQ(1)IUnused 125IRQ(2)IIRQ(2) (MD IRQ) Timers 116PWM0I/OUnusedHSYNC DVR-505/7000 7 CIRCUIT DESCRIPTION Port No.Port NameI/O MainAlternate function FunctionInputOu

35、tput 115PWM1I/OPulse width modula oBoot from ROM3 114PWM2I/OUnusedVSYNC JTAG 113TCKITest clock 112TDIITest data in 111TDOOTest data out 110TMSITest mode select 109TRSTITest reset Front-end 16B DATAI12S dataSER Data 17B BCLKI12S bit clockSER BCLK 18B FLAGI12S error flag DVDSER VALID 19B SYNCI12S sele

36、ctor/ABS timeSER SYNC Video DAC 27,26,25R/G/B (OUT)OR/G/B output 3234Y/C/CV (OUT)OY/C/CV output 29I REF RGII REF DAC RGB 28V REF RGIV REF DAC RGB 36I REF YCII REF DAC YC 35V REF YCIY REF DAC YC 23VDD RGB-YDDA RGB =2.5V 24VSS RGB-GND 30VDD YCC-YDDA YCC =2.5V 31VSS YCC-GND Shared memory interface 6966

37、SMI ADR(03)OAddress bus SDRAM 5863SMI ADR(49)OAddress bus SDRAM 7073SMI ADR(1013)OAddress bus SDRAM 8493SMI DATA(015)I/OData bus SDRAM 97102 74,75SMI CS(0,1)OChip select bank 0,1 76SMI RASORAS SDRAM 77SMI CASOCAS SDRAM 78SMI WEOSDRAM write enable 79,80SMI (DQML, DQMU)ODQ MASK EN LOW, UP 82SMI CLKINI

38、SDRAM clock in 95SMI CLKOUTOSDRAM clock out Power supply 4,47,81,107 136,159,184 VDD3 3-3.3V Power supply 14,37,64,94 119,149,171VDD2 5-2.5V Power supply 198 5,15,38,50,65 83,96,108,121 137,150,160 VSS-GND 172,185,199 DVR-505/7000 8 CIRCUIT DESCRIPTION Port No.Port NameI/OFunction 1,2VCC1,2-VCC 2,6,

39、9VIN,VIN (1,2)IVideo input (Composite or Y) 3YC MIX-YC MIX select (Unused) 4CINICroma input (Open) 5CLP-Clamp select (Connected to GND) 7,8MUTE (1,2)OMute select (Unused) 10GND-GND 11,13CbIN, CrINIComponent input 12Dual/Single-Power select (+5V) 14,15,19, 21,22,24 VEE1, VEE2-VEE (-5V) 16,18,20, CrOU

40、T, CbOUT, 23,25,27 YOUT2,YOUT1,OVideo output COUT,VOUT 23,25,27YOUT1, COUT,VOUTOVideo output (Open) 17,26PS2,PS1-Power save (Connected to GND) 3. Port Description of IC Video Driver : MM1540AF (IC601) DVR-505/7000 9 WIRING DIAGRAM CP506 CP531 CP431 CP106 CP108 CP107 CP104 CP508 CP507 CP504 CP532 CP4

41、32 CN435 CN535CP533 CP433 CP534 CP434 JA401 VIDEO R L JA402S VIDEO CP208 JA551 OUT JA555 JA554 JA553 MONITOR SAT IN VCR OUT JA552 VCR MONITOR OUT OUT IN VCR VCR SAT IN IN CP505 CP204 CN201 CP201 CN201 CP201 CN204 (M,Y) TYPE CN301 CP301 (K,P,J,E,T,X) TYPE AC INPUT CN113 CN121CN206 CN113 CN121 CP302 S

42、W1 CN206 CP206 CP121 CP113 CN205 CN1 CP207 CN3 CN204 CN4 CN205 CP203 Y IN VCR OUT VCR Rch Cr CbJACK103 Lch Rch JACK102 SAT IN AUDIO Lch Rch Lch JACK101-A JACK101-B JACK101-C Lch Rch FRONT REAR Rch Lch SUB WOOFER CENTER CP1 JAC4 JAC5 JAC1OPTI-IN 1 OPTI-OUT COAX-IN 1 HP401 JK403 OPTI-IN CP3 CP103 CN10

43、3 CP2CN2 CP114C1 CP115 CP216 CP401 CP102CP101 CP402 CP215 CP608 CN202 CN403CP403 CP501 CN401 CN501 CP105 CP202 u-COM BD MAIN BD FRONT BD STANDBY LED BD LED DISPLAY BD FRONT VIDEO INPUT BD DVD BD MECHA F/E BOARD POWER BD SMPS BD DSP BD PACK TUNER HEADPHONE BD LINK BD-BLINK BD-A DVR-505/7000 1 1212 1

44、88 11 1313 11 66 11 11 111 1 33 33 1 1 2 2 1 113 1313 13 2 1 1 1 19 19 4 4 1 1 1 1 19 19 1 2 230V F202 115V F201 7 1 3 11 2 7 1 3 1 1 55 1 1521 1 2 1371 41 21 214 4 1 1 112 121 15 1 1 17 21 15 15 1 3 1 3 1 13 1 13 11 11 1 1 11 1 1 11 11 1 1 11 1 11 11 1 1 2 1 10 1 10 1 17 2 2 1 1 4 1 115 ACEGIBDFHJ

45、2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD (Component side view) 10 11 L206 L204 L205 C227 C226 C234 R298 RM212 C324 R216 C208 C301 C302 R309 C207 R205 R302 R301 C322 C307 C308 C309 C306 C213 C201 L209 L201L202 L302 L203 R265 R264 C224 C403 C402

46、C401 R408 R407 C223 C222 C405 L415 R404 R253 R255 C220 R254 C303 C305 C304 RM208 RM211 RM209 RM210 RM201 RM202 C603 C602 C604C601 RM206 E B C203 C205 C326 C211 C312 R315C310 R313 R312 R311 R310 C219 R242 C404 R413 C212 C214 C209 R209 C202 C304R R308L C304L R308R R309R R323 R322 C307R C307L R309L C32

47、8 C329 CM201 RM207 Q301 D302 D301 QM202 E B R608 L213S L212C C605 181 19 1 2 18 1 4 14 1 15 28 1 19 18 2 C229 C230 C228 C236 L211Y C251Y C254C C252Y C253C C255S C256S C606 R609R611 LM201 R610 R269 R270 R210Y R600 R601 R602 R211C R206B R303R C305L C306L C306R C305R R302L R231 RA301 RA302 RA303 RA304

48、RA305 RA306 RA307 R232 R234 R207G R212S R213 R214 R215 R208R RM213 RM203 R283 RA408 RA407 RA406 RA405 R401 R246 L501 R247 C504 R237 R289 R290 R240 R239 R238 R288 R241 R243 C216 R244 R245 R251 R250 C231 C217 R248 R249 R403 R405R406 R282 RM205 RM204 CM203 R607 R606 C302R R304R C303R R302R R325 R301R C327 C323 C301L C303L R304L R303L R235 C311 C330 B E B E B E B E B E R303 R304 R305 R306 R307 R308 R280 R281 C502 C503 C505 R502 R503 X501 C501 C218 R501 C215 R236 JT