JVC KV-DV7 Service Manual Download Page 36 | Manualshive

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KV-DV7

3-8

Packing materials and accessories parts list

Block No.

M

M

M

2

Block No.

M

M

M

3

P1

P9

P7

A26

A23

A25

A21

P4

A19

A24

P8

P6

P3

P5

A20

A1 A8

P2

A22

A17,A18

KIT:A9 A16

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Summary of Contents for KV-DV7

Page 1: ...OMPANY OF JAPAN LTD KV DV7 KV DV7 Area Suffix E J UF UT US A Continental Europe Northern America China Taiwan Singapore Australia Contents Safety precaution Important for laser products Disassembly method Adjustment method Description of major ICs 1 2 1 3 1 4 1 11 1 12 17 ...

Page 2: ...t over on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Safety precaution Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check ...

Page 3: ...ning är denna del är öppnad och spårren är urkopplad Betrakta ej strålen VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle Älä katso säteeseen ADVARSEL Usynlig laserstråling ved åbning når sikkerhedsafbrydere er ude af funktion Undgå udsættelse for stråling ADVARSEL Usynlig laserstråling ved åpning når sikkerhetsbryteren er avslott unngå utsettelse for strål...

Page 4: ...s and back of the body Detach the rear part of the top cover upward and release the joint a on the top side 1 2 Disassembly method Main Body Removing the top cover See Fig 1 to 3 Fig 1 Fig 2 Fig 3 Top cover A A A A Top cover Top cover Joint a A A A A ...

Page 5: ...nt panel assembly and the bottom chassis on both sides of the body and remove the front panel assembly toward the front The connector CN801 on the control switch board in the front panel assembly will be disconnected from the main board 1 2 3 Removing the front panel assembly See Fig 4 to 6 When reassembling attach the four screws C and then the two screws C CAUTION Fig 4 Fig 5 Fig 6 Front panel a...

Page 6: ... the DVD mechanism assembly 3 4 5 Removing the DVD mechanism assembly See Fig 7 to 11 To protect accuracy of the mechanism bracket on the front of DVD mechanism assembly make sure to hold the part c on each side of the DVD mechanism assembly when removing or reassembling CAUTION When reassembling the DVD mechanism assembly attach the cooling rubber and the heat sink to the DVD mechanism board as s...

Page 7: ...t d in the lower right part of the rear panel and remove the rear panel with the main board The fan assembly will be detached with the rear panel 1 2 3 4 Remove the two screws I and J attaching the main board to the rear panel 5 Removing the main board See Fig 12 to 15 When reattaching engage the joint c to place the rear panel on the back of the bottom chassis CAUTION Fig 12 Fig 13 Fig 14 Fig 15 ...

Page 8: ...ove the main board and the rear panel REFERENCE Prior to performing the following procedure remove the top cover and the front panel assembly Remove the three screws L attaching the control switch board on the back of the front panel assembly Disengage the three joints e of the front panel and the control switch board 1 2 Removing the control switch board See Fig 18 Fig 16 Fig 17 Fig 18 Fan assemb...

Page 9: ...tom of the DVD door flame Press the lock lever on the front side of the front panel and remove the DVD door flame from the gear When reassembling reattach the DVD door flame to the front panel with the two adhesive tapes while engaging the three joints f CAUTION 1 2 3 4 5 Replacing the DVD door flame See Fig 19 to 24 Fig 19 Fig 20 Fig 21 Fig 22 Fig 23 Fig 24 DVD door flame Eject button Reset butto...

Page 10: ...rough the notch h of the gear assembly bracket and remove the DVD door from the gear assembly Do not lose the spring CAUTION Reattaching the DVD door reattach the spring through the notch h and hole i of the gear assembly bracket then reassemble the DVD door and the gear assembly Reattach them to the front panel CAUTION 1 2 3 4 Removing the DVD door See Fig 25 to 29 Fig 25 Fig 26 Fig 27 Fig 28 Fig...

Page 11: ...tal oscilloscope 100MHz 2 AM standard signal generator 3 FM standard signal generator 4 Stereo modulator 5 Electric voltmeter 6 Digital tester 7 Monitor 8 Test disc VT 501 for DVD section CTS 1000 for CD section 1 DVD section Playback the test disc VT 501 It should not have some noise on the audio signal or video signal 2 CD section Playbcak the test disc CTS 1000 It should not heve some noise on ...

Page 12: ... mechanism Communication for DVD mechanism Communication for DVD mechanism Communication for DVD mechanism Communication for DVD mechanism NTSC PAL control H PAL L NTSC E volume serial clock output E volume data output E volume strobe output Video mute output Audio mute output Audio mute input LED output for slot LED output for Real sonic or Remocon LED output for CD DVD LED output for DVD Non con...

Page 13: ...control Power supply control od LED Remocon Play remote output LINE IN control Non connect Reset J BUS initialize Battery detection ACC detection DVD mechanism communication Remocon input KEY_INT Setting to input for common use Power supply1 Connect to X tal Connect to X tal Non connect Power supply Power supply 0 Referencew voltage Key input 0 Key input 1 Key input 2 Key input 3 Key input 4 Symbo...

Page 14: ... max output current is 500mA This voltage supply for AUDIO This output voltage is 8 0V and max output current is 1A This voltage supply for CD Output selector of CD AUDIO ILM and Vcc B To be connected with the BACKUP of car This output voltage is 10V and max output current is 500mA Output voltage is adjustable Putting a resistance between ILM and AJ or between AJ and GND males ILM output voltage a...

Page 15: ...al output terminal Vcc terminal Voltage detect terminal 1 Pin layout 3 Pin function 2 Block diagram NJM2267X X IC301 Video amp 20k 2 2k 20k 2 2k CLAMP CLAMP 750 750 75 DRIVER 6 2dB Amp 75 DRIVER 6 2dB Amp VOUT2 VSAG2 SAG TERMINAL VOUT1 VSAG1 SAG TERMINAL GND V VIN 2 VIN 1 7 5 6 4 3 2 1 8 1 2 3 4 8 7 6 5 VIN1 GND VSAG1 VOUT1 VIN2 V VSAG2 VOUT2 1 Pin layout 2 Block diagram ...

Page 16: ...21 IC961 Regulator Vin 1 2 Vo 4 Vc 3 GND IC 1 Block diagram RPM6938 V4 IC801 Remocon reseiver I V conversion AMP PD magnetic shield BPF Detector for trimming circuit AGC Vcc Comp 22k Vcc ROUT GND 1 Block diagram TA78L05F X IC971 Regulator 1 2 3 1 Pin layout TC7SET08F X IC511 Regulator A L L H H B L H L H Y L L L H 2 Truth table 1 Pin layout 1 2 3 4 5 ...

Page 17: ...9 10 11 12 13 14 15 16 Symbol Vss L OUT L IN L LD1 L LD2 L GND CS CK DATA STB R GND R LD2 R LD1 R IN R OUT VDD Function Digital ground terminal Volume output terminal Volume input terminal Tap out terminal for loudness 1 Tap out terminal for loudness 2 Analog ground terminal Chip select terminal Clock input terminal Data input terminal Strobe input terminal Analog ground terminal Tap output termin...

Page 18: ...KV DV7 VICTOR COMPANY OF JAPAN LIMITED MOBILE ELECTRONICS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan No 49630 200104 ...

Page 19: ...T FAN CN781 J801 J301 CN891 IC801 REMOCON CN801 J861 LED MATRIX KEY MATRIX ANI0 ANI1 ANI2 REMOCON HEAD_PHONE HP L_CH HP R_CH REG CN901 LED_CD VCD LED_REMOCON LED_DVD LED_DISC IN ANI0 ANI1 ANI2 RESET FAN CONT D_OUT_MUTE IEC958 NTSC PAL D_MUTE LT RT VIDEO_OUT L_CH R_CH V_OOUT1 V_OUT2 L_CH R_CH LOUT ROUT E VOL_STB E VOL_DO E VOL_SCK REMIN REMOCON RDT_FM D_FM ATN_FM D_HOST HOST_RST SCL ...

Page 20: ... 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 120 10k 2 7k NQR0007 002X 470p 470p TA78L05F X 100 10 0 1 10 16 6 8k 6 8k 2SD1048 6 7 X 2SD1048 6 7 X 1k 1k 10 0 0 0 QGB1218J2 16 QNS0026 001 NQR0007 002X NQR0007 002X 1k SML 310LT MN X SML 310LT MN X SML 310LT MN X SML 310LT MN X 1k 1k RPM6938 V4 10 10 471 0 NQR0007 002X NQR0202 001X 2SB1322 RS X 10k 1K QNS0185 001 UN2111 X 120 QGB1218K1 16 2 2k 2 2k 2 2k ...

Page 21: ...2 3 I H A B C D E F G 1 2 3 4 5 6 KV DV7 AV decoder section ...

Page 22: ...2 4 I H A B C D E F G 1 2 3 4 5 6 KV DV7 KV DV7 VIDEO encoder section ...

Page 23: ...2 5 I H A B C D E F G 1 2 3 4 5 6 KV DV7 Audio decoder section ...

Page 24: ...2 6 I H A B C D E F G 1 2 3 4 5 6 KV DV7 KV DV7 SHIELD Analog output section ...

Page 25: ...2 7 I H A B C D E F G 1 2 3 4 5 6 KV DV7 DVD servo control section ...

Page 26: ...6 C321 C322 C323 C324 C325 C326 C331 C401 C501 C502 C511 C701 C702 C703 C704 C705 C741 C751 C761 C762 C781 C782 C783 C901 C911 C912 C913 C914 C915 C916 C917 C951 C954 C955 C956 C957 C961 C962 C963 C964 CN761 CN781 CN891 CN901 D121 D311 D402 D403 D601 D701 D781 D782 D791 D901 D902 D911 D951 DAC5V IC501 IC911 IC961 L302 CN999 L701 L901 L951 L952 Q121 Q221 Q311 Q312 Q331 Q341 Q342 Q401 Q402 Q403 Q411...

Page 27: ...2 9 I H A B C D E F G 1 2 3 4 5 6 KV DV7 Frontend board Forward side Reverse side ...

Page 28: ...2 10 I H A B C D E F G 1 2 3 4 5 6 KV DV7 KV DV7 Backend board Forward side Backend board Reverse side ...

Page 29: ...e not available as service parts Contents Exploded view of general assembly and parts list Electrical parts list Packing materials and accessories parts list KV DV7 3 2 3 5 3 8 Area suffix E Continental Europe J Northern America UF China UT Taiwan US Singapore A Australia ...

Page 30: ...o M M M 1 TYPE 1 TYPE 2 20 20 9 57 9 56 61 62 53 55 17 58 1 19 3 19 7 7 8 5 64 6 64 64 14 2 13 49 32 49 49 34 43 33 49 12 36 46 23 63 50 50 50 11 21 18 18 42 41 22 22 22 31 39 37 51 38 48 40 26 25 24 45 44 35 47 28 28 27 30 29 4 52 54 60 59 65 69 68 66 67 70 71 15 15 16 16 16 10 ...

Page 31: ... CHASS 16 QYSDST2604N SCREW 3 TOP CO REAR BK 17 QYSDST2604N SCREW 1 B CHASS REAR BK 18 LV42387 001A SPECIAL SCREW 3 B CHASS MAIN PW 19 QYSDSP2604Z SCREW 2 ME BKT F B CHA 20 QYSDSP2604Z SCREW 2 ME BKT R B CHA 21 QYSDSP2604Z SCREW 1 M BKT R IC H S 22 QYSDSP2004Z SCREW 4 B CHASS F PANEL 23 QYSDSP2004Z SCREW 1 EARTH BKT ME BK 24 LV42150 001A DAMPER BKT ASSY 1 D BKT GEAR DAMP 25 QZW0066 001 DAMPER 1 26...

Page 32: ...2571 001A RE IC HEAT SINK 1 55 QYSDSP2604Z SCREW 2 REAR POWER CN 56 QYSDSF3008Z SCREW 1 REAR PIN JACK 57 QYSDST2614Z SCREW 2 58 QYSDSF3008Z SCREW 1 REAR OPT OUT 59 QYSPSPD2610Z SCREW 2 H SINK IC IC 60 QYSPSPD2608Z SCREW 1 H SINK RE REG 61 QAR0145 001 FAN MOTOR 1 62 LV41675 001A FAN BRACKET 1 63 LV42500 001A EARTH BRACKET 1 64 VHD1420 1 SCREW 4 65 LV42620 001A SHIELD PLATE J 1 66 LV32489 002A REAR ...

Page 33: ...C 706 QCBB1HK 471Y C CAPACITOR 470PF 10 50V C 741 QEKJ0JM 476Z E CAPACITOR 47MF 20 6 3V C 742 NCB31CK 104X C CAPACITOR C 781 QEKJ1CM 106Z E CAPACITOR 10MF 20 16V C 782 NCB31HK 103X C CAPACITOR C 783 QEKJ1CM 106Z E CAPACITOR 10MF 20 16V C 801 NBE21AM 106X E CAPACITOR C 802 NQR0202 001X FERRITE BEADS AGND DGND SGND C 901 QEZ0337 228 E CAPACITOR 2200MF C 911 QEKJ1HM 225Z E CAPACITOR 2 2MF 20 50V C 91...

Page 34: ... 0R0X MG RESISTOR R 174 NRSA63J 102X MG RESISTOR R 175 NRSA63J 102X MG RESISTOR R 211 NRSA63J 104X MG RESISTOR R 212 NRSA63J 222X MG RESISTOR R 213 NRSA63J 222X MG RESISTOR R 214 NRSA63J 222X MG RESISTOR R 215 NRSA63J 472X MG RESISTOR R 216 NRSA63J 103X MG RESISTOR R 217 NRSA63J 471X MG RESISTOR R 218 NRSA63J 223X MG RESISTOR R 219 NRSA63J 223X MG RESISTOR R 220 NRSA63J 101X MG RESISTOR R 221 NRSA...

Page 35: ...821 NRS181J 221X MG RESISTOR R 822 NRS181J 331X MG RESISTOR R 831 NRSA63J 102X MG RESISTOR R 841 NRSA63J 102X MG RESISTOR R 851 NRSA63J 102X MG RESISTOR R 911 QRE142J 102X C RESISTOR 1 0K 5 1 4W R 912 NRSA63J 912X MG RESISTOR R 913 NRSA63J 512X MG RESISTOR R 914 NRSA63J 104X MG RESISTOR R 915 NRSA63J 104X MG RESISTOR R 916 NRSA63J 223X MG RESISTOR R 917 NRSA63J 152X MG RESISTOR R 918 NRSA63J 0R0X ...

Page 36: ...KV DV7 3 8 Packing materials and accessories parts list Block No M M M 2 Block No M M M 3 P1 P9 P7 A26 A23 A25 A21 P4 A19 A24 P8 P6 P3 P5 A20 A1 A8 P2 A22 A17 A18 KIT A9 A16 ...

Page 37: ...T BOOK E 1 ENG GER FRE DUT LVT0631 002A INST BOOK E 1 FIN ITA SPA SWE A 2 LVT0632 001A INST MANUAL 1 LVT0632 002A INST MANUAL 1 LVT0591 001A INST MANUAL J 1 LVT0632 001A 1 LVT0632 002A INST MANUAL 1 A 3 BT 52004 1 WARRANTY CARD J 1 BT 54013 2 WARRANTY CARD 1 BT 51018 2 WARRANTY CARD J 1 BT 54013 2 WARRANTY CARD 1 A 4 LV42569 001A CAUTION SHEET 1 A 5 LV42512 001A INPORTANT SHEET J 1 A 6 BT 51020 2 ...

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