Kenwood DVF-3080-S/8100, Service Manual

Page 1: ... 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 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 ground li...

Page 2: ...on of dew may occur inside the unit when there is a great difference in temperature between this unit and the outside This unit may not function properly if condensation occurs In this case leave the unit for a few hours and restart the operation after the condensa tion has dried up Be specially cautious against condensation in the following circum stances When this unit is carried from one place ...

Page 3: ...jected about 15 20mm 2 Pull the Tray Disc until it is separated from the Base Main completely Fig How to Reset Parental Lock 1 Connect the TV set to DVF 3080 2 Push the power switch of DVF 3080 to be on 3 Check the display of DVF 3080 shown NO DISC 4 Push the SETUP key of remote control and TV has set up menu 5 Select the 16 9 on TV 6 Push key 1 3 9 7 1 3 9 and ENTER Push key again if mistype 7 Pu...

Page 4: ... VIDEO BUFFER IECDAOUT COAXIAL SPDI D2_T 1 3 SCART_16 9 RGB_SEL 3V3M CDLD DVDLD SVREF21 5V 8V HOMESW INSW OUTSW ROMDATA 0 7 5 2VA IC901 GMS81C2012 Hynix Front Micom POWER BOARD VFD_RXD S_REQ 5 2VA 8V DMUTE IIC VFD DAC_SCK IC503 1M 16BIT 4Bank SDRAM VD33D IIC VFD DAC_TXD 12V 5V YC_MIX VIDEO_SW SER3 DAC_ML0 OPEN CLOSE SLEGP SPINDLE FOCUS TRACK SVREF IC506 74LCX373 VD33D GPOPALE DAC_RST DMUTE D2_T 1 ...

Page 5: ...1 ALI M3355 DVDPLAYER COMBO CHIP MD IC201 IP4504 Motor Driver IC503 64M SDRAM FLASH ROM EEP ROM DVDLD CDLD CD_DVD DVDMDI CDMDI SVREF21 DVD A B C D RFO CD A B C D E F RFO SLEGP SPINDLE FOCUS TRACK DRVSB CLOSE OPEN SVREF15 FOCUS FOCUS TRACK TRACK SPINDLE SPINDLE SLED SLED LOAD LOAD OPENSW CLOSESW LIMITSW MA 0 11 DQM CLK CS CAS RAS WE MD 0 15 IIC VFD DAC_SCK IIC VFD DAC_TXD ROMAD 0 21 ROMRD ROMWR ROM...

Page 6: ...K DACCLK DAC_RST SER 0 3 DAC_ML0 VIDEO Interface AUDIO Interface Pickup DVD MD1 CD MDI SVREF21 DVD A B C D RFO CD A B C D E F RFO F F T T CD_DVD DVDLD CDLD IIC VFD DAC_CLK IIC VFD DAC_TXD MRESET S_REQ VFD_RXD X501 27MHz BA1 BA0 CSJ RASJ CASJ WEJ DGM DMCLK MD0 15 MA0 11 MPEG RGB YPbPr CVBS COMPONENT Y Pb Pr SCART RGB CVBS IC604 VIDEO 6dB Amp IC601 AUDIO DAC 2CH IC602 OP Amp LPF Buffer AUDIO R AUDIO...

Page 7: ...Assembly Up Down Belt Loading Gear Pulley Gear Loading Guide Up Down PWB Assembly Loading Base Main 4 Screws 1 Connector 1 Locking Tabs 1 Screw 1 Screw 1 Locking Tab 1 Locking Tab 1 Locking Tab 1 Hook 2Screw 2 Locking Tabs 4 1 4 1 4 1 4 1 4 1 4 2 4 3 4 3 4 3 4 3 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Bottom Bottom Procedure Parts Fixing Type Fig ure Disass embly Note When reassembling perform the procedu...

Page 8: ... Clamp 1 Turn the Plate Clamp to counterclockwise direction and then lift up the Plate Clamp 1 1 2 Magnet Clamp 1 1 3 Clamp Upper 2 Tray Disc Fig 4 2 1 Insert and push a Driver in the emergency eject hole A at the right side or put the Driver on the Lever B of the Gear Emergency and pull the Lever B in direction of arrow so that the Tray Disc is ejected about 15 20mm 2 Pull the Tray Disc until it ...

Page 9: ...100 9 DECK MECHANISM DISASSEMBLY 3 Base Assembly Sled Fig 4 3 1 Release 4 Screw S2 2 Disconnect the FFC Connector C1 3 1 Gear Feed 3 2 Gear Middle 3 3 Gear Rack 1 Release the Scerw S3 4 Rubber Rear Fig 4 3 Fig 4 3 ...

Page 10: ...4 1 Unlock the Locking Tab L4 in direction of arrow B and then separate the Gear Pulley from the Base Main 8 Gear Loading Fig 4 4 9 Guide Up Down Fig 4 4 1 Move the Guide Up Down in direction of arrow A as Fig A 2 Push the Locking Tab L5 down and then lift up the Guide Up Down to separate it from the Base Main When reassembling place the Guide Up Down as Fig C and move it in direction arrow B unti...

Page 11: ...ey 1 Execute Pressed Key and IR Key 2 System operation on routine loop 1 Stop playback and open tray 2 Display tray open message and LOGO Receive close key no yes no yes no yes no yes No 5V_A No 5 2VA Is 5 2VA section working Is 5 2V present at emitter of Q107 Replace Q107 Is there a DC voltage At terminal of BD101 Is there a DC voltage at R101 Replace IC101 note This Trobleshooting has various in...

Page 12: ...OSE switch Normal TRCLOSE TROPEN signal NO Check the Tray control IO pins on M3355 Normal LOAD LOAD signal NO Check the Tray control amplifying circuit on Motor driver IC201 Check the cable connection between main PCBA and loader MECHA Check AV cable connection to TV set NO YES YES YES Test Check the AC Voltage 110V or 220V Switch on the Power PCBA Check the Power PART Is the DC Voltage Outputs OK...

Page 13: ...circuit on M3355 Proper RF signal Check the related circuit on M3355 RF signal Check the RF connection between MD and M3355 Yes Yes Yes Yes Yes Yes Yes No No No No No No No Does the SLED move to inner side when it is at outer position on B Yes Motor Driver DRVSB Pin is High Check the connection line of DRVSB signal Motor Driver DRVSB Pin is High Check the related circuit of FOCUS SLED and SLED out...

Page 14: ... Yes Normal IR VFD Front panel key functions Yes Yes No No No No No Yes Yes Yes Focus ON OK D Yes Proper signals on A B C D of M3355 Check the related circuit on M3355 SBAD signal No No Check the related circuit on M3355 Proper SBAD signal on M3355 Check connections between M3355 and pick up head Track On OK Check cable connection on pick up head Proper tracking signal on M3355 Proper M3355 track ...

Page 15: ...Vp p 3 3V FIG 2 1 1 Tray open close waveform FIG 3 1 2 Tray open waveform OPEN CN203 PIN3 CLOSE CN203 PIN4 LM IC201 PIN14 LM IC201 PIN13 FIG 3 2 OPEN CN203 PIN3 CLOSE CN203 PIN4 LM IC201 PIN14 LM IC201 PIN13 3 Tray close waveform FIG 3 3 4 SLED CONTROL SIGNAL NO DISC CONDITION RELATED SLEGP 2 1V 1 5V 0 85V IC501 PIN80 DRVSB 3 3V 0V IC501 PIN22 SLED 7 3V 4V 2 4V IC201 PIN16 SLED 7 3V 4V 2 4V IC201 ...

Page 16: ...1 PIN15 FE IC501 PIN27 SBAD IC501 PIN14 FIG 7 2 DVD F CN201 PIN15 FE IC501 PIN27 SBAD IC501 PIN14 FIG 7 3 CD F CN201 PIN15 FE IC501 PIN27 SBAD IC501 PIN14 FIG 7 4 CD F CN201 PIN15 FE IC501 PIN27 F CN201 PIN18 FOCUS IC501 PIN76 FIG 8 1 DVD 8 FOCUS ON WAVEFORM F CN201 PIN15 FE IC501 PIN27 F CN201 PIN18 FOCUS IC501 PIN76 FIG 8 2 CD 9 SPINDLE CONTROL NO DISC CONDITION WAVEFORM SPM 5 5V 4V 1 5V CN202 P...

Page 17: ...KING CONTROL SIGNAL System checking RELATED 12 M3355 AUDIO OPTICAL AND COAXIAL OUTPUT ASPDIF 11 RF WAVEFORM RF IC501 PIN61 1 4V 2 95V FIG 11 1 IECDAOUT IC501 PIN211 FIG 12 1 2 Y Jk601 pin7 1V FIG 13 2 13 M3355 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS Jk601 pin6 1V FIG 13 1 14 AUDIO OUTPUT FROM AUDIO DAC 3 C JK601 PIN8 0 7V FIG 13 3 1 AUDIO L R JK601 PIN4 5 1KHz 0DB FIG 14 1 ...

Page 18: ...DVF 3080 S 8100 18 WAVEFORMS 2 Audio Related Signal SER3 IC501 PIN167 BCLK IC501 PIN170 2 312MHz LRCLK IC501 PIN168 48KHz FIG 14 2 ...

Page 19: ...19 Refer to the schematic diagram for the value of resistors and capacitors PC BOARD A C E B D 2 1 3 5 7 4 6 1 MAIN P C BOARD ...

Page 20: ... to the schematic diagram for the value of resistors and capacitors PC BOARD F G I H J 2 1 3 5 7 4 6 4 SMPS P C BOARD 2 KEY P C BOARD 3 FRONT P C BOARD Solder Side Solder Side Note This manual has no Scart pcb ...

Page 21: ... 3 16 3 16 1 72 3 17 0 0 1 71 0 0 0 0 0 0 3 17 0 3 17 0 3 16 3 14 3 17 2 1 2 1 2 11 2 1 3 15 2 1 2 1 2 1 0 88 0 89 2 04 2 03 1 86 0 92 0 87 0 0 1 72 1 71 3 15 3 16 1 36 1 53 3 18 2 49 1 53 0 2 41 1 51 0 2 12 0 0 2 51 0 0 0 1 72 3 17 0 0 1 71 0 0 0 0 0 0 3 18 0 3 17 0 3 18 3 19 3 18 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 ...

Page 22: ...2 47 0 2 52 0 2 51 0 2 2 05 0 1 96 0 42 0 42 2 51 0 8 5 16 0 1 5 19 2 2 2 2 5 24 0 0 0 0 5 24 5 24 5 16 0 0 5 24 5 2 5 24 0 0 0 2 72 5 24 5 24 3 13 24 19 26 4 28 47 26 34 26 37 30 72 26 32 28 55 I C 9 0 1 C 2 1 7 C 5 4 4 C 5 0 8 C 5 6 3 C 6 0 7 C 6 4 0 C 6 4 4 C 6 3 3 C 9 0 2 C 1 0 9 C 2 1 4 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20...

Page 23: ...DVF 3080 S 8100 CAUTION For continued safety replace safety critical components only with man ufacturer s recommended parts refer to parts list indicates safety critical com ponents For continued protection against risk of fire replace only with same type and rating fuse s To reduce the risk of electric shock leakage current or resis tance measurements shall be carried out exposed parts are accept...

Page 24: ...ION IC501 DAC0 DAC1 DAC2 DAC3 DAC4 DAC5 C624 642 R666 668 R651 660 662 R661 663 664 VIDEO OPTION 24 DVF 3080 S 8100 CAUTION For continued safety replace safety criti cal components only with manufacturer s recommend ed parts refer to parts list indicates safety critical components For continued protection against risk of fire replace only with same type and rating fuse s To reduce the risk of elec...

Page 25: ...deo signal not appeared Digitron all not display System not working OPTIONAL PART 3 SYSTEM CIRCUIT DIAGRAM KTC3875S GR T1 M3355G E type M3355A K P X Y type KV85200002 E type KV80200001 K P X Y type IC502 IC501 25 DVF 3080 S 8100 ...

Page 26: ... manufacturer s recom mended parts refer to parts list indicates safety critical components For continued protection against risk of fire replace only with same type and rating fuse s To reduce the risk of electric shock leakage current or resistance measurements shall be carried out exposed parts are acceptably insulated from the supply circuit before the appliance is returned to the customer The...

Page 27: ...s For continued protection against risk of fire replace only with same type and rating fuse s To reduce the risk of electric shock leakage current or resistance measurements shall be carried out exposed parts are acceptably insulated from the supply circuit before the appliance is returned to the customer The DC voltage is an actual reading measured with a high impedance type voltmeter with no sig...

Page 28: ...rer s recommended parts refer to parts list indi cates safety critical components For continued protection against risk of fire replace only with same type and rating fuse s To reduce the risk of electric shock leakage current or resistance measurements shall be carried out exposed parts are acceptably insulated from the supply circuit before the appliance is returned to the customer The DC voltag...

Page 29: ...r continued protection against risk of fire replace only with same type and rating fuse s To reduce the risk of electric shock leakage current or resistance measurements shall be carried out exposed parts are acceptably insulated from the supply circuit before the appliance is returned to the cus tomer The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal...

Page 30: ...TAL S VIDEO JK601 JK6W1 601 13 J J J J J 620 608 607 609 714 748 Jx2 Jx2 J M M M 647 610 Jx2 Jx2 715 Jx2 Kx3 606 L K 712 605x2 625 625 626 623 M 702 613 626 10 10 627 35A 627 35A 605 605 DVF 3080 S DVF 8100 E only M 711 604 624 624 604 622 622 623 621 YEL BLK 51 16 16 1 2 A C B Parts with exploded numbers larger than 700 are not supplied ...

Page 31: ...gland E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks 10 1C CABLE FLAT 6850R JW24Y 13 1B D16 0805 08 BELT 4400R 0006B 16 1C 2C PWB PCB ASSEM 6871R 9288A 35A 1C 2C CABLE FLAT 6850R GF10Z 51 1C BASE ASSEMBLY 3041R D008A BOX 3890R C177A E BOX 3890R C1...

Page 32: ...a I Malaysia Y PX Far East Hawaii T England E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks C507 CE04KW1H010M ELECTRO 1 0UF 50WV C508 CE04KW1C101M ELECTRO 100UF 16WV C509 CC73GCH1H471J CHIP C 470PF J C510 1 CC73GCH1H220J CHIP C 22PF J C512 CK73GB1H...

Page 33: ...anghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks R229 RK73GB1J153J CHIP R 15K J 1 16W R230 RK73GB1J223J CHIP R 22K J 1 16W R231 RK73GB1J102J CHIP R 1 0K J 1 16W R232 3 RK73GB1J000J CHIP R 0 J 1 16W R234 5 RK73GB1J6R8J CHIP R 6 8 J 1 16W R501 RK73GB1J103J CHIP R 10K J 1 16W R502...

Page 34: ...Vp p 75 Ω load sync negative S video output level Except for Europe Y signal 1 Vp p 75 Ω load sync negative C signal NTSC 0 286 Vp p 75 Ω PAL 0 300 Vp p 75 Ω Component Video output level Y signal 1 Vp p 75 Ω Cb signal 0 7 Vp p 75 Ω Cr signal 0 7 Vp p 75 Ω RGB output level SCART For Europe 0 7 Vp p 75 Ω Horizontal resolution More than 500 lines Video signal to noise ratio More than 70 dB General Po...