JVC KD-AVX1 service manual Section Precautions

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SECTION 1

PRECAUTIONS

1.1Safety Precautions

! Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system.

! Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.

(No.MA165)1-5

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Contents KD-AVX1 For Northern America version SpecificationPAL For Europe versionAudio Amplifier Section For Asia & Australia versionSection Precautions Handling the traverse unit optical pickup Preventing static electricityGrounding to prevent damage by static electricity Important for laser products Reproduction and Position of LabelsSection Specific Service Instructions Side heat sink Main body section Removing the panel assembly SeeRemoving the side heat sink See Reference Remove the panel assembly and side heat sink Removing the top chassis assembly See Figs.3 toRemoving the DVD mechanism assembly See Figs.8 Removing the front chassis assembly SeeRemoving the front bracket assembly See Removing the loading unit assembly SeeCN962 Front bracket assembly Removing the main sub board SeeDetach lever Connector cover Removing the connector board See Figs.13 toRemoving the main board See Figs.16 Rear heat sink Rear bracket Removing the panel switch board SeeRemoving the rear bracket See CN582 Removing the switch board See Figs.20Removing the panel board See Figs.20 Short-circuit points Removing the mechanism section See to Removing the top cover SeeReattaching the clamper unit See to Removing the clamper unit See toClamper unit Clamper spring Notch 20 No.MA165 Removing the front unit See to Removing the loading arm assembly See Removing the rod LR/roller assembly See Removing the DVD pickup assembly See to Removing the spindle motor See Removing the feed motor assembly SeeConnection method Standard measuring conditions Test instruments required for adjustmentConnection procedure Adjustment procedure Adjustment method for jitterD8CA Jitter value conversion tableOperation procedures Service mode Standard input/output conditionsService mode setting procedure Service Mode Ntsc Running Mode Service MODE4 RDS S Mode Monitor S Mode DVD check modeError code tables Mechanism error codeWriting method for micon ROM correction Running modeUpdate method of firm ware Power on Insert the disc which a farm was written in atChroma Monitor adjustment16 PIN Cord Diagram for E version Section TroubleshootingNo.MA1651-39 16 PIN Cord Diagram for A, J, U, UN, UT versionVPT Parts List Exploded view of general assembly and parts list 133 131 132 General Assembly Panel Assy DVD mechanism assembly and parts list DVD mechanism Thrust Spring QYSPSFT2040ZA TAP Screw Electrical parts list QERF1HM-225Z Capacitor QERF1HM-104Z Capacitor Part Name Description Local R231 NRSA63J-104X NRSA63J-2R2X MG Resistor Panel board NDC31HJ-2R0X Capacitor 16W J R601 NRSA63J-121X Connector board NEAF0GM-227X Capacitor SW4 Packing materials and accessories parts list Packing and Accessories Schematic Diagrams Safety precaution M O Block diagram Version Main amplifier section Standard schematic diagramsSheet GDC-R Panel-A sectionS456 MA2SV03-X Panel-B sectionSheet Sheet Connecting sectionSheet Tubuyaki DVD servo control sectionTo CN965 Sheet Main board Printed circuit boardsReverse side Panel board CN521 R483 C475 R482 C474 R481 R480 C470 C485 L472 IC585 Connector board M O Front end board IC301 No.MA165SCH