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EIKI LC-XG210
Manual de Servicio


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

Descripción del EIKI LC-XG210 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.

The manual is available in languages: English

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TEXT_PDF_SNIPPET
� Troubleshooting
No Power
The possible causes of No Power are listed below. Please check following and refer to the chapter �Power supply and protection circuit� in the Chassis Block Diagrams on the previous page. - The abnormality on the lamp ballast board was detected. The lamp ballast board outputs error signal (LAMP_DET) to pin 123 of IC801. LAMP_DET .............. High in abnormal - The Interlock switch (SW902) is not turned on. Check lamp cover fixed correctly. - Fuse was opened. Check the fuse on the Line Filter Board.

1. It does not operate the power supply circuit due to detection of abnormality.
- The abnormality on the secondary power supply lines was detected. One of the power failure detection diodes detects an abnormal voltage on the power supply. Check the shortage of secondary circuits, ICs, condensers, etc. Check power supply lines, FAN1, 16V, 14,5V and 15AUDIO on the Audio Board, and 5V, 5VD, 15.5V, 3.3V, 15VP, 9V, 5V1, 5V_DV, 2.5V1, 12V, 3.3_AV, 3.3V_AD1, 3.3V_AD2, 3.3V_AD3, 2.5V1 and 12V on the Main Board. Check detection diodes, D5511, D5562, D6502, D031 on the Audio Board, and D3102, D3103, D4814, D1561, D451, D1571, D2501, D6381, D3252, D3253, D241, D242, D243, D3103, D3251 on the Main Board. - The cooling fans was stopped. One of the power failure detection diodes detects the fan operation stop (FAN_LOCK) signal. Check Fans FN901, FN902, FN903, FN904, FN905, FN906 and FN907. Check the FAN_LOCK signal. Fan Error : H And this signal drives Q4891 on and the P-FAIL signal becomes low. - The abnormal temperature rise inside the projector was detected. Temperature sensor ICs detect abnormal temperature. Check peripheral circuits and sensor ICs IC2821 on the Sensor Board, IC1871 , IC1872 and IC1873 on the Main Board. Thermal switch (SW905) detects abnormal temperature. Check peripheral circuits and SW905. SW905...................... short in normal SW905 opens when peripheral temperature is over 90°C.

2. Abnormality occurs on drive signals for power or lamp circuit.
- Abnormality on power starter signals (FAN_DRIVE/ FAN_SW). The FAN_SW signal is output from pin 137 of IC801 and applied to power supply circuit through Q4807 as the name of FAN_DRIVE. It drives the fans on and off. FAN_DRIVE .................. High in power on Check FAN_DRIVE signal, IC801 and peripheral circuits. - Abnormality on the drive signal (IC_RESET). The IC_RESET signal is output from pin 2 of IC801 and sent to the power DC board to switch the power on and off. IC_RESET High in power on Check IC_RESET signal, IC801 and peripheral circuits. - Abnormality on the lamp drive signal (LAMP_SW). The LAMP_SW signal is output from pin 138 of IC801 and sent to IC4891. IC4891 also receives the P-FAIL signal and outputs the drive signal to pin 4 of K8L and the lamp ballast board. LAMP_SW ................ High in power on Check LAMP_SW signal, IC801 and peripheral circuits.

3. Abnormality occurs on the power circuit.
- Abnormality on power primary circuit Check Line filters, thermal switch (SW905), interlock switch (SW902) the Power AC board and Power DC board.

Reset switch
The projector does not allow any controls rarely when the abnormality of power or operation occurs inside the projector. In this case, press the reset switch on the rear panel to restart the projector.

About the LED indicator flashing
The projector will be automatically turned off when the internal temperature of the projector exceeds the normal operating temperature, or the cooling fans stops, or the power supplies in the projector are failed. - If the TEMP WARNING indicator (red) is flashing, it may detect the abnormal temperature inside the projector. Check the air filters and remove the object near the intake and exhaust fan openings, and wait until the WARNING TEMP indicator flashing stops, and then try to turn on the projector. - If both of the TEMP WARNING (red) and READY (green) indicators are flashing at the same time, It may defect the cooling fans and power supply circuits. Check fan operation and power supply lines.

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