JVC KD-AVX1 service manual Removing the DVD pickup assembly See to

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3.2.9 Removing the DVD pickup assembly (See Fig.17 to 19)

Remove the mechanism control board.

(1)From the bottom of the body, turn the feed gear in the di- rection of the arrow to move the DVD pickup outwards. (See Fig.17.)

(2)Remove the screw J attaching the thrust spring. (See Fig.17.)

(3)Remove the DVD pickup assembly upward on the L.S.gear side and release from sub shaft at joint r. Move the lead screw of the DVD pickup assembly in the direction of the arrow to release from joint s. (See Fig.18.)

Caution:

When releasing the lead screw at joint s, the L.S.collar comes off at the end of the lead screw. When reas- sembling, reattach the L.S.collar to the lead screw and engage joint s. (See Fig.18.)

When reattaching the L.S.collar, reattach it to the point s of the lead screw, and to the rod (M). Make sure that the L.S.collar is set on the rod (M) spring. (See Fig.18.)

(4)Remove the screw K attaching the rack spring/ rack plate on the DVD pickup. (See Fig.19.)

(5)Pull out the lead screw. (See Fig.19.)

Caution:

Perform adjustment after replacing the pickup.

Feed gear

J

DVD Pickup assembly

Thrust spring

 

 

Fig.17

s

 

 

 

 

L.S.collar

DVD Pickup assembly

 

Rod(M)

 

 

 

 

Lead screw

Sub shaft

r

L.S.gear

Fig.18

K

Rack spring

Lead screw

Rack plate

L.S.collar

DVD Pickup

Fig.19

1-24 (No.MA165)

Image 24
Contents KD-AVX1 Specification For Northern America versionFor Europe version PALFor Asia & Australia version Audio Amplifier SectionSection Precautions Preventing static electricity Grounding to prevent damage by static electricityHandling the traverse unit optical pickup Reproduction and Position of Labels Important for laser productsSection Specific Service Instructions Main body section Removing the panel assembly See Removing the side heat sink See ReferenceSide heat sink Removing the top chassis assembly See Figs.3 to Remove the panel assembly and side heat sinkRemoving the front chassis assembly See Removing the DVD mechanism assembly See Figs.8Removing the loading unit assembly See Removing the front bracket assembly SeeCN962 Front bracket assembly Removing the main sub board SeeRemoving the connector board See Figs.13 to Detach lever Connector coverRemoving the main board See Figs.16 Removing the panel switch board See Removing the rear bracket SeeRear heat sink Rear bracket Removing the switch board See Figs.20 Removing the panel board See Figs.20CN582 Short-circuit points Removing the top cover See Removing the mechanism section See toRemoving the clamper unit See to Reattaching 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 feed motor assembly See Removing the spindle motor SeeTest instruments required for adjustment Connection procedureConnection method Standard measuring conditions Adjustment method for jitter Adjustment procedureJitter value conversion table D8CAService mode Standard input/output conditions Service mode setting procedureOperation procedures Service Mode Ntsc Running Mode DVD check mode Service MODE4 RDS S Mode Monitor S ModeMechanism error code Error code tablesRunning mode Writing method for micon ROM correctionPower on Insert the disc which a farm was written in at Update method of firm wareMonitor adjustment ChromaSection Troubleshooting 16 PIN Cord Diagram for E version16 PIN Cord Diagram for A, J, U, UN, UT version No.MA1651-39VPT 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 Standard schematic diagrams Main amplifier sectionSheet Panel-A section GDC-RS456 Panel-B section MA2SV03-XSheet Connecting section SheetSheet DVD servo control section TubuyakiTo CN965 Sheet Printed circuit boards Main boardReverse side Panel board CN521 R483 C475 R482 C474 R481 R480 C470 C485 L472 IC585 Connector board M O Front end board IC301 No.MA165SCH