Have dec tv cannot get picture or sound will not auto tune
I have lent my tv to my sister which my son used only for his play station,never used for normal tv,no aerial,since my sister has taken it it wont do anything no picture no sound and of course I cant find the manual,I would say that he's been fiddling around with it but hasn't affected the playstation so we never noticed anything wrong hope you can help thanks regards kerri
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Re: have dec tv cannot get picture or sound will not auto...
You mean to say is "dead set' .This kind of trouble is in power supply section busted fuse or busted regulator transistor ,or maybe no depected parts only brittle,loose,crack or cold solder joint of the circuit board...
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When you are auto tuning the system will not store a channel which is week by its standard ( at least 60% signal strength ) This done to avoid grainy picture and hissy sound. You can go into manual tuning and store it.
Toshiba TV 2151TB Tuning Press remote button adjacent to the picture brightness button. The symbol of a clock appears. Press the button again and the >>> symbol appears, this is for course tuning. Touch the Increase Volume button and auto tuning starts. When a station is found two green underlines appear. Type the station number i.e.for 2 type 02, this stores the station. Touch the Increase volume button again to find the nexr station. Upto 39 stations can be stored. Fine tuning of any station is achieved by pressing the tuning button until three blocks sysbol is displayed. Use the Increase/Decrease Volume buttos to fine tune the station.
TV SETTING 1. Press the MENU button. 2. Use or button to select the TV setting menu, then press or button. 3. Use or button to select the Channel no. setting and use the or button to change from AIR (over-the-air broadcasts) to CABLE (cable/satellite broadcasts). 4. Use or button to select the Tuning mode and use the or button. 5. Use or button to select the Auto tune and press or button to confirm the selection. The unit will immediately search through all possible TV channels and store those channels with signals in memory. After this is complete, the unit will switch to the first channel found. 6. To exit the MAIN MENU and return to the normal screen, press the EXIT button. Note : In DVD mode, this option is not available. Remarks: 1. Channel no. : 2-69 channel for Air mode, 1-125 channel for Cable mode. 2. Tuning mode : Air or Cable mode are available. 3. Auto tune : Searches for usable stations and stores them in memory. 4. Skip : ON - Skip weak channels. OFF - No channel skip. 5. Fine tune : The frequency changes to allow fine tuning. 6. AFC : Auto frequency control. 7. MTS : Select the Mono sound/Stereo sound/Secondary Audio Program (SAP). 21 TV SETUP MTS (Multi-channel Television Sound) SETTING This feature allows reception of sound other than the main audio for the program. 1. Press the MENU button. 2. Use or button to select the TV setting menu, then press or button. 3. Use or button to select MTS menu, and press or button to select the options (Mono, Stereo, SAP) 4. To exit the MAIN MENU and return to the normal screen, press the EXIT button on remote control. Note: • MTS only operates while in TV mode. • The SAP (Secondary Audio Programs) feature allows a TV station to broadcast other information, which could be audio in another language. RESTORE SETTING If you reset the TV to the factory settings, all your present settings on picture & sound will be erased and replaced by the factory’s default settings. However, picture setting in PC mode and parental setting will not be erased.
It sounds like a defective tuner or a IF module as well. It may also be a defective capacitor(s) or cold solder joints inside the tuner circuitry. I woud suggest to use a VCR or a TV convertor connected to an Audio/video input to change channels instead of fixing it.