Question about Hitachi Televison & Video

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CRT tv Hitachi on standby please help the model is C21-RM25S-194

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Unplug. Press and hold power button 10-15 sec's then repower see if ok. Most tv's will go into standby if there is no signal detected.

Posted on Jul 12, 2019

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6ya6ya
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SOURCE:

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Posted on Jan 02, 2017

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caroldon
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SOURCE: hitachi TV model C21-rm25s-192 power

The SMPS - power supply is critical of the generated frequency , load trip and high voltage. So if the power transistor has blown then you must check the reason for the failure before the new one is put into the circuit. Check the DC voltage, check the rectifier, storage capacitor and the frequency oscillator. check for short in the SM tranformer , feedback optocouplers or a possible short in the main circuit.
Please check the link below for help:


http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies

Posted on Feb 08, 2011

gopakumarg43
  • 76140 Answers

SOURCE: How to find a fault of crt tv HITACHI FUJIAN

Fault is with its main board itself. Check the horizontal scan output section circuit. Check the horizontal scan output transistor for leak. Contact any service technician. As standby-light is there, the main power supply regulator section circuit to your TV is working fine. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/

Posted on May 13, 2014

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3 Answers

Help needed!!!


Hi,

Here is a small diagram it shows how to connect the player to a tv. the next thing is are you having problem with the DVD player or Tv? Do you have any problem with dvd player not reading the disc or is it just the connection problem.Any ways please look at the below diagram.


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Goodluck..

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1 Answer

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The SMPS - power supply is critical of the generated frequency , load trip and high voltage. So if the power transistor has blown then you must check the reason for the failure before the new one is put into the circuit. Check the DC voltage, check the rectifier, storage capacitor and the frequency oscillator. check for short in the SM tranformer , feedback optocouplers or a possible short in the main circuit.
Please check the link below for help:


http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies

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