Kenwood-DVR605-avr-sm 电路图 维修手册.pdf

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1、70% DVD / AV RECEIVER DVR-605 SERVICE MANUAL (DVT-605) 2002-8 PRINTED IN KOREA B51-5811-00 (K/K) 1382 MENU STOPPLAY/PAUSE INPUT 76 0 ON SCREENVOLUME OPEN/CLOSE POWER -ON/OFFSTANDBY ACTIVE EQ ENTER CS II TOP MENU/BAND DSPPRO LOGIC IIDOLBY DIGITALDTS PHONES (OPTICAL) VIDEOAUDIORL FRONT AUX DIGITAL DEC

2、 cabinet (B07-2651-08) DEC crystal (B10-3900-08) Con DIN socket (E63-1243-08) Pun cover (A01-3863-08) In compliance with Federal Regulations, following are repro- duction of labels on, or inside the product relating to laser product safety. KENWOOD Corp. certifies this equipment conforms to DHHS Reg

3、ulations 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 ground line on rear panel, PCBs, Chassis and some others. DEC button (K29

4、-8255-08) DEC button (K29-8256-08) DEC button (K29-8251-08) Tuner assy (W02-2964-08) MLD clamp (J42-0350-08) D-REM (W02-2911-08) Conn-speaker (E70-0165-08) Con phono socket (E63-1270-08) DEC button (K29-8254-08) Phone jack (E11-0957-08) MLD indicator (B10-3897-08) IC-opt (W02-2961-08) DEC knob (K29-

5、8249-08) DEC button (K29-8253-08) Con phono socket (E63-1290-08) Wire-MCRDM (E30-2991-08) Con phono socket (E63-1289-08) Con phono socket (E63-1271-08) Con phono socket (E63-1244-08) Con phono socket (E63-1272-08) This manual is available for U.S.A. and Canada markets. RadioFans.CN 收音机爱 好者资料库 Cautio

6、n on condensation Condensation (of dew) may occur inside the unit when there is a great difference in temperature between this unit and the out- side. This unit may not function properly if condensation occurs. In this case, leave the unit for a few hours, and restart the opera- tion after the conde

7、nsation has dried up. Be specially cautious against condensation in a fol- lowing circumstances: When this unit is carried from one place to another across a large difference in temperature, when the humidity in the room where this unit is installed increases, etc. Stored contents which are cleared

8、in at least a week after power plug is unplugged from power outlet. Amplifier section Last input selection Volume control value Surround setting ACTIVE EQ Tuner section Receiving band Frequency Preset stations Tuning mode setting DVD section Menu setup Power status Memory backup function WARNING NOT

9、ICE: IN MOST CASES IT IS AN INFRINGEMENT OF COPY- RIGHT TO MAKE COPIES OF TAPES OR DISCS WITH- OUT THE PERMISSION OF THE COPYRIGHT OWN- ERS. ANYONE WISHING TO COPY COMMERCIALLY AVAILABLE TAPES OR DISC SHOULD CONTACT THE MECHANICAL COPYRIGHT PROTECTION SOCIETY LIMITED OR THE PERFORMING RIGHTS SOCIETY

10、 LIM- ITED. Note related to transportation and movement Before transporting or moving this unit, carry out the following operations. 1Remove the disc from the unit. 2Press the 6 key. 3Wait a few seconds and turn the unit OFF. Operation to reset The microcomputer may fall into malfunction (impossibil

11、ity to operate, erroneous display, etc.) when the power cord is unplugged while power is ON or due to an external factor. In this case, execute the following procedure to reset the microcomputer and return it to normal condition. Please note that resetting the microcomputer clears the contents store

12、d 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. The marking this product has been classified as Class 1. It means that there is no danger of hazardous radia- tion outside the product.

13、Location: Back panel CLASS 1 LASER PRODUCT The marking of products using lasers (Except for some areas) DVR-605 2 CONTENTS / ACCESSORIES / CAUTIONS Contents Cautions FM indoor antenna (1)Loop antenna (1) Remote control unit (1) Batteries (R6/AA) (2) Video cord (1)Speaker cords (6) (T90-0882-08) (A70

14、-1607-08) (E30-7265-08): RED (E30-7283-08): GREEN (E30-7284-08): BLUE (E30-7285-08): VIOLET (E30-7269-08): GREY (E30-7286-08): WHITE (T90-0896-08) (E30-1427-05) Accessories CONTENTS / ACCESSORIES / CAUTIONS. 2 DISASSEMBLY FOR REPAIR.3 BLOCK DIAGRAM .3 CIRCUIT DESCRIPTION.4 ADJUSTMENT.13 INTERCONNECT

15、ION DIAGRAM .13 PC BOARD . 14 SCHEMATIC DIAGRAM . 22 EXPLODED VIEW .35 PARTS LIST.36 SPECIFICATIONS .Back cover RadioFans.CN 收音机爱 好者资料库 DVR-605 3 DISASSEMBLY FOR REPAIR / BLOCK DIAGRAM How to open the tray if it does not come out. 1. Insert a flat driver in the drawing through the hole on the load-

16、ing chassis bottom and pull the lever down. 2. Pull out the tray frontward by hand when it comes just out. 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 MIC IN MGND DGND +5.6V

17、SPDIF DGND MGND +5VA AGND +12VA -5VA +3.5V +2.5V +5V +5.5VS +9VM +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 SR SL FR FL DVD FROM SYSTEM u-COM SW CT SR FR SL FL SW CT SR SL FR FL CHGND AM OSCFM OSC 224 DGND AGND TUNER-L TUNER-R to u-COM AGND B

18、UFFER RDS DATA/CLK GND GND 8 4 5 7 1 2 3 1 2 3 1 2 F201 SK21 ST-BY +5V AC INPUT FOR SMPS AC2AC1 + VEE VDD + FL AC FL AC FUNCTIONSECTIONCONTROLSECTION VOLUME/TONETUNERDVD CONTROL LED CE,CLK,DATA 4094 +5V A/D INPUT P/C RDS DATA/CLK POWER DOWNTO SMPS DETECT DC PROTECT DGND HEADPHONE DETECT H/P MUTE 17d

19、B C/S MUTE SUB WOOFER W/F MUTE -29.5V 29.5V MIC DET + -27V FL + 6 DC PROTECTION S/W CENTER S/W GND SR SL FR GND FL 1 5 3 2 4 15324 12534 12 F252 1 5 3 2 4 230V115V GND GND GND +3.3V +5V +15V -15V AV AUX(FRONT) SAT/CABLE VCR OUT VCR IN MONITOR MONITOR VIDEO SWITCHING IC61 MPEG PROCESSOR SDRAM FLASH E

20、EPROM ADC MECHANISM CONTROL LOAD PLL IC DAC AUDIO- IC64 SECTION DVD SMPS FOR DVD & VIDEO FOR DVD AC INPUT AUX(F) SAT/ OPTICAL OPTICAL OUTPUT DIGITAL INPUT (OPTICAL) DIR AUDIO DIGITAL ADC & DAC IC33IC31IC39 IC37,38 IC11 VOLUME & MASTER TONE CIRCUIT IC15-B IC15-A IC16-B IC16-A IC17-B IC17-A GND AM FM7

21、5 ANTENNA AM RF FRONT-END FM IF AMP FM/AM DECODER RDS IF+MPX PLL TUNER MODULE VCR IN VCR OUT AUX/FRONT SAT/CABLE IC14 IC13 AUDIO SWITCH N112 N111P2 AC INPUT STAND -BY CONTROL Q251 D22 IC51 SYSTEM u-COM HNV-11SM18 FL DISPLAY IC81 REGISTER SHIFT FRONT KEY FUNCTION NJ83 PROTECTION Q24,25 HEAD- PHONE IC

22、12 HEADPHONE AMP VIDEO INPUT Q30,31 REC OUT DIGITAL IN DATADATA DIGITAL DATA CABLE PROCESSOR DIGITAL OUT (ASSY) MIC JACK IC82 MIC AMP (M) TYPE ONLY IC34-B IC34-A IC36-B IC36-A IC35-B IC35-A Q23 IC23 +15V D30 D29 D28 D27 -15V IC24 +3.3V IC25 D24 D23 IC26 +5.0V IC21 IC20 IC19 IC18 NJ11-C NJ11-B NJ11-A

23、 IC22 SPKR RLYSK13 RLYSK12 SPKR SPKR RLYSK11 N251P2 N252P252 (M,M2,Y) TYPE ONLY LOOP S-VIDEO NJ34 NJ35 OUTOUT PRE AMP P251 SURROUND DSP BD DVR-605 BLOCK DIAGRAM DISASSEMBLY FOR REPAIR RadioFans.CN 收音机爱 好者资料库 DVR-605 4 CIRCUIT DESCRIPTION Pin No.Pin NameI/OPin Description PIOs and communication 1PIO2

24、(5) RGB SEL(BLANK)I/ORGB sel (blank). unused 2PIO2(6) VIDEO MUTEI/OVideo mute control. 3PIO2(7) 16: 9 INDICATORI/O16 : 9 indicator (unused). 6PIO3(0) SCART H (TV/AUX)I/OUnused. 7PIO3(1) I/OUnused. 8PIO3(2) OCSB 9PIO3(3)OSDIN 10PIO3(4) IR REMOCONI/OUnused. 11PIO3(5) OSCLK 12PIO3(6)I/OUnused. 13PIO3(7

25、) DVD RESETI/OPower- on reset of front-end module. Front-end 16B DATAII2S Data 17B BCLKII2S Bit clock 18B FLAGII2S Error flag 19B SYNCI/OI2S Sector / ABS time Reserved 20B WCLKI/OUnused. 21B V4I/OUnused. 22NRSS OUTI/OUnused. 23VDD RGB-Supply voltage for RGB (+3.3VA). 24VSS RGB-GND Video DAC 25,26,27

26、B/G/R (OUT)OB/G/R signal outputs. 28V REF RGIReference voltage input for DAC RGB. 29I REF RGIReference current input for DAC RGB. 30VDD YCC-Supply voltage for YCC (+3.3VA). 31VSS YCC-GND 3234Y/C/CV (OUT)OY/C/CV signal outputs. 35V REF YCCIReference voltage input for DAC YCC. 36I REF YCCIReference cu

27、rrent input for DAC YCC. PIOs and communication 39PIO4(0)HP MUTE-Unused. 40PIO4(1)-Unused. 41PIO4(2) ODAC system clock output. 42PIO4(3) DAC RESETODAC reset output. 43PIO4(4) PLL CSODAC mute control. 44PIO4(5) DAC CLOCKODAC clock output 45PIO4(6) DAC DATAODAC data output. 46PIO4(7) DAC CSODAC chip s

28、elect. Audio DAC 48VDD PCM-Supply voltage for PCM (+3V3). 49VSS PCM-Ground for PCM. 51DAC SCLK (BCK)ODAC over sampling clock. 52DAC PCMOUT0 (DATA)ODAC PCM data out 0. 53DAC PCMOUT1ODAC PCM out 1 (unused). 54DAC PCMOUT2ODAC PCM out 2 (unused). 55DAC PCMCLKODAC PCM clock. 56DAC LRCLKODAC PCM Left/Righ

29、t clock. 57SPDIF OUTOAudio digital data output. Shared memory interface 5863SMI ADR(49)OSDRAM address bus. 6669SMI ADR(30)OSDRAM address bus. 1. Pin Description of MPEG Processor IC (DVD Part IC61) DVR-605 5 CIRCUIT DESCRIPTION Pin No.Pin NameI/OPin Description 7073SMI ADR(1013)OSDRAM address bus. 7

30、4SMI CS(0)OChip select bank 0. 75SMI CS(1)-Unused. 76SMI RASOSDRAM RAS 77SMI CASOSDRAM CAS 78SMI WEOSDRAM write enable. 79SMI DQMLODQ MASK enable low. 80SMI DQMUODQ MASK enable up. 82SMI CLKINISDRAM clock input. 8493SMI DATA(09)I/OSDRAM data bus. 95SMI CLKOUTOSDRAM clock out. 97102SMI DATA(1015)I/OS

31、DRAM data bus. Reserved 103ADC SCLKI/OADC digital audio port clock. 104ADC LRCLKI/OADCsample rate clock. 105ADC DATAIADC digital audio data input. 106ADC PCMCLKOCrystal input or master clock input. JTAG 109TRSTITest reset from emulator module. 110TMSITest mode select. 111TDOOTest data out to emulato

32、r module. 112TDIITest data input from emulator module. 113TCKITest clock input from emulator module. Timers 114PWM2I/OUnused. 115PWM1I/OROM boot option port (voltage low = emulator booting). 116PWM0I/OUnused. EMI Interface 117CPU OEI/OFlash ROM output enable 118CPU PRO CLKOSDRAM clock (unused). Cloc

33、k & Reset 120PIX CLKI27MHz main clock input. 122VDD PLL-Supply voltage for PLL (+3V3). 123VSS PLL-Ground for PLL. 124RESETIChip reset input. Interrupt 125IRQ(2)IInterrupt request 2 from front-end module. 126IRQ(1)IUnused. 127IRQ(0)IUnused. EMI Interface 128CPU BE(0)OBYTE 0 Enable 129CPU BE(1)OBYTE 1

34、 Enable 130CPU RWOUnused. 131CPU WAITIWait state (connected to ground). 132CPU CE(3)OFlash ROM chip select. 133CPU CE(2)OFlash ROM down-load JIG module select. 134CPU CE(1)OUnused 135CPU CE(0)OUnused. 138CPU RAS1I/OUnused. 139CPU CAS0OUnused. 140CPU CAS1OUnused. 141148CPU DATA(07)I/OFlash ROM data i

35、nput/output (07). 151158CPU DATA(815)I/OFlash ROM data input/output (815). 161170CPU ADR(110)OFlash ROM address (110). 173183CPU ADR(1121)OFlash ROM address (1121). DVR-605 6 CIRCUIT DESCRIPTION Pin No.Pin NameI/ODescription 1GRID2OFIP Grid output. 2GRID1OFIP Grid output. 3NC-Connected to VDD. 4POWE

36、R DOWNIPower down check. 5RDS CLKIRDS clock input. 6DVD RXIDVD UART interface (RX). 7RDS OPTION-Unused. 8RMCIRemote controller signal input. 9RDS DATAIRDS data input. 10SM7346 CLKOVolume IC (IC11) clock output. 11SM7346 DATAOVolume IC (IC11) data output. 12ENCODER UPIEncoder (1) signal input. 13ENCO

37、DER DWIEncoder (2) signal input. 14DVD TXODVD UARTinterface (TX). 15DVD RSTODVD reset signal output. Pin No.Pin NameI/OPin Description PIOs and communication 186PIO0(0) T STROBEI/OUART0 data 187PIO0(1) MOD SWI/OATAPI RD 188PIO0(2)OUnused. 189PIO0(3) OUnused. 190PIO0(4) OUnused. 191PIO0(5) IUnused. 1

38、92 PIO0(6) SLIDER SENSOR I/ODetection port of slider sensor for DVD mechanism. OPEN/CLOSE (DRAWER POSITION) 193 PIO0(7) SLIDER IN I/OControl port of slider (IN) for DVD mechanism. (DRAWER CCW/CTRL) 194PIO1(0) SDAI/OSSC0 data (MTSR out / MRST in) 195PIO1(1) SCLI/OSSC0 clock 196 PIO1(2) SLIDER OUT I/O

39、Control port of slider (OUT) for DVD mechanism. (DRAWER CW CTRL) 197PIO1(3) TXD(JIG)I/OUART2 TXD 200PIO1(4) RXD(JIG)I/OUART2 RXD 201PIO1(5) FRONT TXDII/OUART1 TXD 202TRIGGER INI/OTrigger input from JIG. 203TRIGGER OUTI/OTrigger output from JIG. 204PIO2(0) H/P-Unused. 205PIO2(1) FRONT RXDI/OUART1 RXD

40、 206PIO2(2) IUnused. 207PIO2(3) -Unused. 208PIO2(4) AUDIO MUTEOAudio mute control. Power supply 4,47,81,107 VDD3 3-3.3V Power supply. 136,159,184 14,37,64,94 119,149,171VDD2 5-2.5V Power supply. 198 5,15,38,50,65 83,96,108,121 VSS-GND 137,150,160 172,185,199 M Type only 2. Pin Description of System

41、Microcomputer : CXP82860(Microprocessor IC51) DVR-605 7 CIRCUIT DESCRIPTION Pin No.Pin NameI/ODescription 16DSP A. BOOSTODSP auto boot. 17H/P CHKIDetection pin of headphones jack. 18CS8415A-CEODIR IC (IC39) chip enable. 19EMPHASISOCS4228 DAC IC emphasis ON/OFF 20TUNEDITuned signal input for tuner. 2

42、1DSP INTREQODSP INT request. 224094CEO4049 (IC81)chip enable. 23CS49326 CEOCS49326 DSP IC (IC33) chip enable. 24CS4228 CEOCS4228 DAC IC (IC31) chip enable. 25DSP CLKOCS49326 DSP IC (IC33) clock output. 26CS49326 DATA INICS49326 DSP IC (IC33) data input. 27DSP DA OUTOCS49326 DSP IC (IC33) data output

43、. 28VREFIA/D reference voltage input. 29PROTECTIAMP protection input. 30KEY INIA/D key input. 31EEPROM DATAI/OEEPROM (IC52) data output. 32KEY2 INIA/D key input. 338415 DA INICS8415 DIR IC (IC39) data input. 34DVD OPTIONISetting pin for the destination. 35PLL DATA INIPLL data input. 36STEP OPTIONISe

44、tting pin for tuner destination. 37VSS(G)IAnalog ground. 38RSTIReset signal input. 39EXTALICrystal resonator (10MHz) connection. 40XTALOCrystal resonator (10MHz) connection. 41GND-Digital ground. 42NCOUnused. 43GND-GND 44VDDIDigital ground. 45VFDPIPower supply for VFDP. 46STANDBYOControl pin for pow

45、er relay on/off. 47SPK RELAYOControl pin for speaker relay on/off. 48SUB ON/OFFOGain control for sub woofer. 49CS8415 RSTOCS8415 (IC39) reset signal output. 50PLL CEOPLL chip enable. 51PLL CLKOPLL clock output. 52PLL D OUTOPLL data output. 53A CLKOCommon clock (LC7821,BU4094) output. 54A DATAOCommon

46、 data (LC7821,BU4094) output. 55EEPROM CLKOEEPROM (IC52) clock output. 5659VIDEO (SW1SW4)OControl pin for video. 604228 RSTOCS4228 (IC31) reset signal output. 61LC7821 CEOLC7821(tuner pack) chip enable. 62SM7346 CEOVolume IC (Main IC11) chip enable. 63T MUTEOTuner mute control. 64S MUTEOMute control

47、 pin for surround signal 65C MUTEOMute control pin for center signal. 66F MUTEOMute control pin for front signal. 67W MUTEOMute control pin for sub woofer signal. 68CS49326 RSTOCS49326 DSP IC (IC5) reset signal output. 6971DSP (A15A17)ODSP ROM address (SEL 13). 7288SEG (117)OFIP segment output. 89VD

48、D-Digital power supply. 90,91SEG18,19OFIP segment output. 92-100GRID (113)OFIP Grid output. DVR-605 8 CIRCUIT DESCRIPTION Pin No.Pin NameI/ODescription 1LRCINI DAC sample rate clock input : PCM input mode Right channel DSD bitstream input : DSD input mode 2DINI Serial audio data input : PCM input mode Left channel DSD bitstream input : DSD input mode 3BCKINIAudio data bit clock input. 4MCLK