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SHARP CDDVD500H
Manual de Servicio


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  • Contiene diagramas del circuito
  • Descargable
  • Formato PDF
  • Manual completo
  • Idiomas: English
Precio: $4.99

Descripción del SHARP CDDVD500H Manual de Servicio

Manual de servicio completo en formato digital (archivo PDF). Los manuales de servicio por lo general contienen diagramas de circuitos, tarjetas de circuitos impresos, consejos para reparación, diagramas de cableado, diagramas de bloque y lista de refacciones. El Manual de Servicio (a veces llamado Manual de Reparación) es usado principalmente por los técnicos.

Si tan solo quiere saber cómo utilizar su televisión, reproductor de vídeo, reproductor de mp3, etc. Quizá lo que necesita es el Manual del Propietario. Después de colocar la orden le enviaremos las instrucciones de descarga a su dirección de e-mail.

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TEXT_PDF_SNIPPET
CD-DVD500H
The [No Disc] indication. (In case focus servo does not function.) Is the focus control signal output to the pin 14 of IC3701 ? Yes Is the focus control signal from the pin 158 of IC3701 input into the pin 23 of IC3801 ? Yes No Check the IC3701 DAC power source periphery circuit. If it is normal, replace IC3701. Check the focus control signal (FOD) line between the IC3801 and IC3701. Check M_5 V line. Is the focus control drive voltage output from the pins 17 and 18 of IC3801 ? Yes No No Is 8V voltage applied to the pins 8 of IC3801 ? Yes Replace IC3801. No Check the line between the IC3701 and the focus actuator terminal.

No

Focus control drive voltage applied to 47, 49 pin of CS3301 (focus actuator terminal) ? Yes Check the connection of optical pickup cable. If it is normal, replace the optical pickup mechanism Unit.

The DVD disc is not recognized. (When the laser beam does not go on) Is the drive signal (FLGA) of Q3301 (HF- MOD SW) No being output to the pin 37 of IC3701? Is the drive signal (LDO2) of Q3302 (LD POWER No CTL) being output to the pin 4 of IC3301 ? Yes No Is the voltage of 3.3 V being applied to the emitter of Q3301? And, is the voltage of 3.4 V being applied to the emitter of Q3302 ? Yes No Is the voltage of 3.1V and 2.3V being applied to the pins 34 and 43 of CS3301, respectively ? Yes Check the connection of optical pickup cable. If it is normal, replace the optical pickup mechanism Unit. Check the line from the pin 37 of IC3701, to the base of Q3301. Check the line between the pin 45 of IC3301 and the base of Q3302. Check the D_3.1 V line and A_5 V line.

Check the Q3301 and line between Q3302 and CS3301.

The CD disc is not recognized. (When the laser beam does not go on) Is the voltage of 3.4V being applied to the emitter of Q3303 ? Yes Is the voltage of 2.3V being applied to the pin 29 of CS3301 ? Yes Check the connection of optical pickup cable. If it is normal, replace the optical pickup mechanism Unit. No Check the A_5 V line.

No

Check the line between Q3303 and CS3301.

� 69 �

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