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JVC NX-D7UX Service Manual

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SERVICE MANUAL
COMPACT COMPONENT SYSTEM
2009
SERVICE MANUAL
10
MB711
NX-D7UX, NX-D7UN, NX-D7EE, NX-D7UW,
NX-D7UH, NX-D5UG, NX-D5UX, NX-D5UN,
NX-D5EE, NX-D5UW, NX-D5UH
COPYRIGHT © 2009 Victor Company of Japan, Limited
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
2
Specific Service Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
4
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
5
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18
(for NX -D7)
(for NX -D7/NX -D5)

TABLE OF CONTENTS

COPYRIGHT © 2009 Victor Company of Japan, Limited
2009/10
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  • Page 1 SERVICE MANUAL COMPACT COMPONENT SYSTEM MB711 2009 SERVICE MANUAL NX-D7UX, NX-D7UN, NX-D7EE, NX-D7UW, NX-D7UH, NX-D5UG, NX-D5UX, NX-D5UN, NX-D5EE, NX-D5UW, NX-D5UH (for NX -D7) (for NX -D7/NX -D5) COPYRIGHT © 2009 Victor Company of Japan, Limited Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
  • Page 2 SPECIFICATION Amplifier section 230 W (115 W + 115 W) at 3 Ω (10% THD) Output Power NX-D7 MAIN SPEAKERS 230 W (115 W + 115 W) at 3 Ω (10% THD) SUBWOOFERS 230 W (115 W + 115 W) at 3 Ω (10% THD) NX-D5 MAIN SPEAKERS 115 W at 3 Ω...
  • Page 3 General Power requirements AC 110 - 127/220 - 240 V , 50/60 Hz For Australia: AC 240 V , 50 Hz, For Russia: AC 230V , 50 Hz Power consumption NX-D7 130 W (at operation)/21 W (at standby) /1 W or less (at ECO mode) NX-D5 85 W (at operation)/16 W (at standby) /1 W or less (at ECO mode) 195 mm ×...

  • Page 4: Precaution

    SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...
  • Page 5 Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.5.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as laser products.
  • Page 6 Important for laser products 1.CLASS 1 LASER PRODUCT 5.CAUTION : If safety switches malfunction, the laser is able to function. 2.CAUTION : (For U.S.A.) Visible and/or invisible class II laser radiation 6.CAUTION : Use of controls, adjustments or performance of when open.

  • Page 7: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MB711)1-7...

  • Page 8: Disassembly

    SECTION 3 DISASSEMBLY Main body (Used figure are NX-D7) (3) Disengage two hooks a engaged both side of the Top cov- er. (See Fig.3) 3.1.1 Removing the Top cover (See Fig.1, 2 and 3) (1) Remove the five screws A and one screw B attaching the hook Side panel.
  • Page 9 (3) Remove the two screws D attaching the Main board. 3.1.3 Removing the Main board (See Fig.6) (See Fig.5) (1) Disconnect t the card wire from USB board connected to (4) Remove the one screw E attaching the DVD board. connector CN502 of the Main board.
  • Page 10 (2) Disconnect the connector wire from USB board connected 3.1.6 Removing the Amp board (See Fig.11, 12) to connector CN801 of the Connection board. (See Fig.8) (1) Disconnect the connector wire from Amp board connected (3) Remove the two screws K attaching the both side of the to connector of the Power board.
  • Page 11 (2) Remove the one screw N attaching the Voltage selector 3.1.10 Removing the Touch sensor board (See Fig.17, 18) board. (See Fig.14) (1) Disconnect card wire from LED board connected to con- nector CN920 of the Volume board. (See Fig.17) (2) Remove the four screws R attaching the Volume board.
  • Page 12 (2) Remove the four screws U attaching the Slider arm. (See Fig.20) (3) Remove the four screws V attaching the Shaft holder. (See Fig.20) Fig.20 (4) Remove the six screws W attaching the Mic board and USB board. (See Fig.21) Fig.21 1-12 (No.MB711)

  • Page 13: No.mb711

    DVD mechanism 3.2.1 Removing the traverse mechanism (See Fig.1 to 4) (1) Remove the one screw A attaching the Front end board. (See Fig.1) Clamper base (2) Remove the two screws B attaching the tramecha holder from top side of DVD mechanism assembly. (See Fig.2) (3) Remove the four screws C attaching the traverse mecha- nism.
  • Page 14 3.2.2 Removing the pickup assembly (See Fig.5 to 9) (1) Remove the two rod springs pressing the guide shaft. (See (SHAFT) Fig.5) (2) Remove the screw D and E attaching the spring holder. (See Fig.6) (T.TABLE) (3) Remove the read screw from traverse mechanism assem- bly.
  • Page 15 3.2.3 Removing the feed motor assembly 3.2.4 Removing the spindle motor assembly (See Fig.10) (See Fig.11) (1) Remove the one screw F attaching the feed motor assem- (1) Remove the three screws G attaching the spindle motor bly. from spindle motor board. (2) Remove the feed motor wires from solder part of spindle motor board.
  • Page 16 3.2.5 Removing the tray assembly (See Fig.12 & 13) (1) Remove the two screws H attaching the clamper base. (See Fig.12) (2) Remove the one screw J attaching the shaft guide from bottom side. (See Fig.12) (3) Remove the two screws K attaching the shaft guide from top side.

  • Page 17: Adjustment

    SECTION 4 ADJUSTMENT ATTENTION IN SERVICE OF DVD SECTION 1. When pickup, Flash ROM, DVD module board was changed, initialize EEPROM by all means. 2. When full initialization was executed, execute learning with a DVD test disc by all means. Test disc: VT-501, VT-502 Learning method: It is adjusted automatically by normal playback of a DVD disc.

  • Page 18: No.mb711)1

    (9)During CHECK mode, press '9' key on REMOTE CONTROL to perform TEMPERATURE SENSOR VALUE. T E M P (10)During CHECK mode, press '10' key on REMOTE CONTROL to perform SEARCH DVD_DL PARALLEL DISC DES- IGNATED POSITION and JITTER MEASUREMENT. D V D - (11)During CHECK mode, press '0' key on REMOTE CONTROL to perform monitor output.
  • Page 20 Victor Company of Japan, Limited Audio/Video Systems Division 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB711) Printed in Japan...

  • Page 21: Schematic Diagrams

    SCHEMATIC DIAGRAMS COMPACT COMPONENT SYSTEM NX-D7UX NX-D7UN NX-D7EE NX-D7UW NX-D7UH NX-D5UG NX-D5UX NX-D5UN NX-D5EE NX-D5UW NX-D5UH (No.MB711)1/35...
  • Page 22 ■ PRECAUTIONS ON SCHEMATIC DIAGRAMS Due to the improvement in performance, some part numbers shown in the circuit diagrams may not agree with those indicated in the Parts List. The parts numbers, values and rated voltage etc. in the Schematic Diagrams are for reference only.
  • Page 23 Block diagram DVD section Q902 Q903 TX_SDA, TX_SCL, TX_HPD IC902 HDMI DVOUT0 to DVOUT7 LEVEL SHIFT OUTPUT H_AOUT0 to H_AOUT2 H_TX, H_MCLK TX0+,TX0- HCLK, VCLKO TX1+, TX1- A, B, C, D, E, F, RF, VREFH, LPC Q905 TX2+, TX2- IC901 C_OUT, Y/G_OUT System control section SDA, SCK...
  • Page 24 Main section 1 GVA10176-A1 CN181 QGD2504C1-04Z 28.7V 28.7V TO AMP section PGND FW601 PGND FILAMENT D1208 CP120 R1203 SK14-GA-X ICP-N10-T SHORT C1205 330/16 DC/DC CONVERTER HS100 HEATSINK LV40057-001A C1204 IC100 22/50 SI-8008HFE-F3 27.6V 6.6V VDISP Q1200 2SC3928A/RS/-X VDISP 43.6V 37.7V VDISP R1003 R1004...
  • Page 25 Main section 2 TO DVD section 4 TO DVD section 2 TO Main section 3 CN801 CN701 TO Loder section TO Display section CN850 (CA-NXDC3 ONLY) (CA-NXD5/CA-NXD7 ONLY) (CA-NXD3/DC3 ONLY) CN312 CN310 CN310 CN308 CN309 QGF1036C2-27 CN307 QGF1208C1-13 (CA-NXD5/CA-NXD7 ONLY) QGF1036C2-25 (CA-NXD3/DC3 ONLY) QGF1036C2-13...
  • Page 26 Main section 3 TO Main section 2 TO AMP section TO Jack section CN600 CN840 TO Main section 2 CN503 QGF1208C1-15 GVA10176-A1 H.PHONE_AMP/PRE_LIMITER 27P/50 H.PHONE MUTE C5501 C5502 22/63 2.2K R5502 R5500 R5501 4.86V DVD FRONT C5101 R5101 CN500 DVDR QGF1036C2-05 5.7V 22/63...
  • Page 27 AMP section EP602 GVA10176-A3 PP601 PP602 PP603 RY620 QSK0194-001 R6205 C6204 K6202 TDA8920CJ C6202 C6209 QQR0621-001Z IC610 28.5V 4700/35 PGND TO Main section 1 PGND C6201 C6203 C6210 R6206 -28.5V 4700/35 9 10 11 12 13 14 15 16 17 18 19 20 K6201 QQR0621-001Z B6170...

  • Page 28: Display Section

    Display section GVA10176-A2 FL870 QLF0199-001 C8703 C8704 C8702 1/50 8.2K 4.3K 2.7K R8806 R8805 R8804 R8803 R8802 R8801 B8500 F+/F- REG K8500 Q8501 R8950 STANDBY CN850 D8950 QGF1208F1-13 SLR-343VC-T TO Main section 2 CN312 No.MB711 created date:2009-09-08 (No.MB711)8/35...
  • Page 29 Jack section GVA10176-A4 AUX IN K8452 R8452 4.7K AUXR K8450 AUX_GND NQR0502-001X AUXL TO Main section 3 HPSW CN502 J8401 K8451 R8451 QNS0289-001 4.7K HPGND C8403 K8401 1000P/50 C8405 K8402 NQR0502-001X C8404 K8400 J8400 C8400 QNS0289-001 0.1/16 W8400 D8400 MA111-X D8401 MA111-X USB A...
  • Page 30 Mic section GVA10176-A5 D8003 K8000 MA111-X W8000 D8004 MA111-X C8039 K8003 0.1/16 QQR0621-001Z C8034 10/50 C8020 2.4V 2.4V 100/16 1/50 C8040 C8038 VREF MIX_OUT C8037 0.1/16 0.1/16 C8021 4.8V 2.4V R8019 NQR0502-001X MIX_NFIN 0.1/16 2.4V NQR0502-001X K8001 2.4V ALC_TC ECHOVOL_IN R8012 C8023 R8013...
  • Page 31 Motion section R8900 1.8K R8901 6.1V 5.4V M_LED TO Main section 2 3.3V CN315 B3.3 3.3V BGND C9851 actually C8851 No.MB711 created date:2009-09-08 (No.MB711)11/35...
  • Page 32 TO Vollume Illumination section CN920 Touch section CN901 QGF1016C6-07W MCLR C9003 1/16 C9505 C9504 1.6V 1.6V CPS6/RA4 CPS3/RB3 1.3V 1.6V CPS7/RA5 CPS2/RB2 1.5V 3.1V CPS1/RB1 1.6V CPS0/RB0 C9001 1/16 3.3V C9002 R9105 1/16 3.3V 1.6V CPS15/RD7 1.6V CPS14/RD6 1.5V RA6/VCAP CPS13/RD5 C9503 1.6V...
  • Page 33 Vollume Illumination section 9.2V M9V 1 DIMMER DIMMER MGND 3 VOL_L4 3.1V VOL_LED4 VOL_L3 3.1V VOL_LED3 IC920 IC921 TO Touch section VOL_L2 3.1V KTC801U/G/-X KTC801U/G/-X CN901 VOL_LED2 VOL_L1 3.1V VOL_LED1 DIMMER R9216 R9217 R9218 R9219 LED D9200~D9007:SELT1E54CM-S or NSSW020B-P1-X No.MB711 created date:2009-09-08 (No.MB711)13/35...
  • Page 34 TO DVD section 4 DVD section 1 K354 NQR0022-002X R318 K355 NQR0022-002X 48MHz R327 HCLK C370 D1.2V REG. TO DVD section 2 C328 0.01 DVDPWR Cont D1.2V DVDPWR P3.3V C302 47/4 IC302 MM1701CH-X TO DVD section 3 CN301 OPEN for ICE D301 DGND OPEN...
  • Page 35 DVD section 2 TO DVD section 1 CN703 QGF1016C6-08W R_BCK K731 SDRAM FLASH ROM C552 DGND IC505 R_DATA K732 HY57V641620FTPH DATA TO Ripping module section DEMP IC509 K4S641632K-UC75 DEMP IC512 SG32N90TFI03 R_LRCK K733 CN703 TC74LCX373FT-X LRCLK K4S641632N-LC75 COPY COPY LADR15 EXADR16 C560 TRACK...

  • Page 36: Dvd Section

    DVD section 3 TO DVD section 1 P3.3V DGND R859 R860 5V REG Q801 IC801 RT1P441C-X MM1565AF-X UN2113-X R891 Vout OPEN IC891 Cont OPEN Q802 OPEN R819 CN811 QGA2001C6-05X R812 1/2W C819 OPEN K811 TO Jack section 1/2W R811 K812 W8300 LVA10813-03A (3/4) NOTES...
  • Page 37 DVD section 4 TO DVD section 1 TO Main section 2 CN308 CN802 CN801 R901 QGF1016C6-13W TP928 OPEN TP929 TP950 R902 HD3.3V TP902 TP951 R903 K906 TP904 TP952 NQR0502-001X R904 HA3.3V D1.2V TP956 TP905 TP953 R905 C916 TP906 TP954 C922 TP957 TP907 C950...
  • Page 38 Ripping module section C708 SYSTEM C709 C711 R707 TOUTR K703 AGND TO Main section 3 R708 NQR0502-001X TOUTL K702 NQR0502-001X CN501 R709 TINR AGND R710 TINL IC703 MM3273DN-X CODEC C715 C713 C805 CN801 R704 VOUT R803 IC701 AK4555VT-X C704 NQR0360-002X 10/16 HD0+ K801...
  • Page 39 Loader section LOADING MOTOR QAR0197-001 QSW1074-001 TO Main section 2 DGND CN307 OPENDET CLOSEDET QGF1016F3-05 LVA10530-01A No.MB711 created date:2009-09-08 (No.MB711)19/35...

  • Page 40: Main Board

    Main board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) J3000 IC250 C5554 CN500 CN502 LRMUTE C2500 HPGND FAOUTL AGND SPACER...

  • Page 41: Power Amp Board

    Power AMP board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) IC670 D6701 CN600 R6705 R6706 FW601 R6502 R6506 C6324 Q6500...

  • Page 42: Display Board

    Display board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) K8500 R8950 CN850 S8806 R8801 S8801 Q8501 C8709 S8805 C8704 S8802...

  • Page 43: Jack Board

    Jack board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) W8100 AUDIO IN W8400 W8301 J8401 J8400 D8200 K8300 D8201 K8301...
  • Page 44 Mic board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) GVA10176-A5 J8000 J8001 C8039 D8003 W8000 D8004 C8035 R8005 R8004 C8006...
  • Page 45 Voltage selector board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) No.MB711 created date:2009-09-08 (No.MB711)25/35...

  • Page 46: Sensor Board

    Sensor board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) R8900 R8901 FW315 No.MB711 created date:2009-09-08 (No.MB711)26/35...
  • Page 47 Touch board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) MARK GVA10177- D9012 D9010 D9005 D9007 D9002 D9003 D9011 D9009 D9006...
  • Page 48 Touch board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) CN901 R9506 VOL LED1 VOL LED2 VOL LED3 VOL LED4 R9507 MGND...
  • Page 49 LED Illumination board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) D9200 D9201 D9205 D9204 MARK GVA10177-A2 STAMPING DATE CODE No.MB711 created date:2009-09-08 (No.MB711)29/35...
  • Page 50 LED Illumination board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) CN920 VOL LED1 VOL LED2 VOL LED3 VOL LED4 MGND DIMMER...
  • Page 51 DVD module board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) 1P1A HEAT PROOF FLUX TP994 IC902 C803 CN301 IC509 C564...
  • Page 52 DVD module board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) J801 K353 4P1A TP999 C370 VA903 R371 IC512 IC513 TP942...
  • Page 53 Ripping module board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) CN702 CN703 CN701 TP818 TP817 TP816 TP815 TP814 TP803 IC801...
  • Page 54 Ripping module board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) IC480 X301 IC701 IC402 IC301 IC502 No.MB711 created date:2009-09-08 (No.MB711)34/35...
  • Page 55 DVD loading switch board (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) No.MB711 created date:2009-09-08 (No.MB711)35/35...

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