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Service Manual

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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of JVC THA30R Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

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Text excerpt from page 10 (click to view)

<DVD mechanism assembly section>
Removing the DVD loader board (See Fig.1 to 3)
Prior to performing the following procedure, remove the top cover and DVD mechanism assembly. 1. Disconnect the card wire from the connector J6 on the DVD MPEG board. 2. Disconnect the harness from the connector on the motor board. 3. Disconnect the harness from the connector MJ5 on the DVD loader board. 4. Remove the four screws A attaching the DVD loader board to DVD mechanism assembly.
DVD loader board DVD MPEG board J6

DVD mechanism assembly (top side)

DVD mechanism assembly (bottom side) Motor board



(see fig.3)

Before removing the card wire which connects the pickup board and DVD loader board, solder the two soldering parts and make it short-circuit. Moreover, while having removed the card wire, don't remove these solder. 5. Disconnect the card wire from the connector RCN1 on the DVD loader board. ONE POINT How to eject the DVD tray manually (see fig.2) The white lever of the mark is moved in the direction of the arrow. Then, the tray will be opened. Moreover, the tray is separable from a DVD mechanism assembly by removing two screws of the mark (see fig.1) and drawing out the tray.




Pick up board

Soldering parts

Motor board

DVD loading mechanism


Removing the DVD loading mechanism (See Fig.4)
Prior to performing the following procedure, remove the top cover, DVD mechanism assembly and DVD loader board. 1. Remove the two screws B and remove the bracket. 2. Remove the one screw C fixing the DVD loading mechanism. 3. Move the lever in the direction of the arrow X. 4. Remove the DVD loading mechanism from the DVD mechanism assembly by moving it in the direction of the arrow Y.


DVD mechanism assembly (bottom side) Bracket

Lever DVD loading mechanism



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