Instruction/ maintenance manual of the product AV-21L91 JVC
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COLOUR TELEVISION INSTRUCTIONS Thank you for buying this JVC colour television. T o make sure you understand how to use your new TV , please read this manual thoroughly before you begin. A V -21L91 A V -25L91 A V -29L91 Contents Safety precautions 2 Preparation 2 1 Insert the batteries into the remote control .
2 Safety pr ecautions W ARNING • T o prevent fire or shock hazard, do not expose the TV to rain or moisture. CAUTION • Operate only from the power source indicated on the rear of the TV . • A void damaging the power cord and mains plug. When you unplug the TV , pull it out by the mains plug.
3 Prepar ation 2 Connecting the aerial and VCR • Read the manuals pr ovided with the de vices. Depending on the device , the connection method may be differ ent from the diagrams . Also the de vice settings may need to change depending on the connection method.
4 Prepar ation 3 Connecting other devices If you ar e not connecting any other de vices, skip step 3 and perform step 4. • Use the headphones with a stereo mini jack (3.5 mm in diameter). When you connect the headphones, the TV speaker s go off. • The OUTPUT terminal outputs the video and sound signals which you are vie wing on the TV .
5 Prepar ation 5 Initial setting When the TV is first turned on, it enter s the initial setting mode , and the JVC logo is display ed. F ollo w the instructions on the on-screen displa y to perform the initial settings. 1 Press the Main power button on the TV .
6 Basic operation RM-C353 REMOTE CONTROL UNIT DISPLAY MENU POWER CHANNEL VOLUME SYSTEM COLOUR OFF TIMER TV/VIDEO PICTURE MODE CHANNEL SCAN ECO SENSOR SOUND MUTING RETURN I/I I 123 456 78 0 9 -/-- 1 Press the POWER button to turn your TV on. • If your TV does not turn on, press the Main pow er button on the TV then press the PO WER button again.
7 Remote contr ol buttons and functions ECO SENSOR button Y ou can adjust this TV so that the screen automatically adjusts to the optimum contrast according to the brightness of y our room. This function reduces e y e str ain and the pow er consumption of this TV .
8 Remote control buttons and functions button Y ou can select a sound setting for stereo broadcast pr ogrammes and bilingual progr ammes. Press this button to select a sound setting. : Stereo sound : Bilingual I (sub I) sound : Bilingual II (sub II) sound : Monaural sound MONO : Cancels the multi-sound function, and the sound becomes monaural.
9 Remote control buttons and functions CHANNEL SCAN button Y ou can quickly view all TV channels progr ammes that you can vie w on your TV , and search for the pr ogr amme you w ant to view . 1 Press this button to start scanning TV channels. The TV channel pr ogrammes are each display ed for sev eral seconds .
10 Using the TV’ s menus This TV has a number of functions you can oper ate using the menus. T o use all your TV’ s functions fully , you need to under stand how to use the menus .
11 Using the TV’ s menus INPUT Y ou can view images fr om VCRs or other devices connected to y our TV . 1 Press MENU T to display the “ MENU 1 ” menu, then select “ INPUT ” .
12 Using the TV’ s menus AUTO SHUTOFF Y ou can set your TV to turn off if no signals are r eceived for about 15 minutes or longer after the end of a broadcast.
13 Using the TV’ s menus Picture Adjustments Y ou can adjust the picture as you lik e . 1 Press MENU T to display the “ MENU 4 ” menu. MENU 4 TINT COLOUR BRIGHT CONT. SHARP SELECT BY EXIT BY OPERATE BY -+ D ISPLA Y 2 Press MENU T to select an item and press MENU M to adjust it.
14 Using the TV’ s menus AI VOLUME Y ou can prevent the sudden incr ease or decrease of v olume that occurs when changing channels or switching VIDEO modes.
15 Using the TV’ s menus MANUAL CH PRESET Y ou can manually preset desir ed TV channels to desired channels . 1 Press MENU T to display the “ MENU 3 ” menu, then select “ MANUAL CH PRESET ” . MENU 3 AUTO CH PRESET MANUAL CH PRESET LANGUAGE ENGLISH SELECT BY EXIT BY OPERATE BY -+ D ISPLA Y 2 Press MENU M .
16 Using the TV’ s menus SKIP Y ou can set undesir ed channels to be skipped. Channels set to be skipped cannot be selected by the CHANNEL m buttons nor the CHANNEL SC AN button. • Channels to which TV channels hav e not been preset ar e automatically set to be skipped.
17 TV buttons and parts Front <A V -29L9 1> <A V -2 1L9 1 and A V -25L9 1> Rear 1 Headphone jack 2 VIDEO-3 terminal 3 MENU button 4 CHANNEL m buttons 1 VIDEO-1 INPUT terminal 2 COMPONENT (.
18 Using the buttons on the TV Basic operation • Check to make sur e the CHILD LOCK function is set to “ OFF ” . When the CHILD LOCK function is set to “ ON ” , the TV cannot be operated using the front contr ol buttons. F or details, see “ CHILD LOCK ” on page 12.
19 T roubleshooting If there is no pictur e or the TV does not operate normally , make sure the problem isn ’ t due to the reasons indicated belo w . If the problem per sists ev en after taking the measures indicated, please contact a service technician.
Specifications TV RF systems B, G, I, D, K, K1, M Colour systems P AL, SECAM, NTSC 3.58 MHz, NTSC 4.43 MHz Channel and frequencies VHF low channel (VL), VHF high channel (VH), UHF channel (U) Receives cable channels in mid band, super band and hyper band.
An important point after buying a device JVC AV-21L91 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought JVC AV-21L91 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data JVC AV-21L91 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, JVC AV-21L91 you will learn all the available features of the product, as well as information on its operation. The information that you get JVC AV-21L91 will certainly help you make a decision on the purchase.
If you already are a holder of JVC AV-21L91, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime JVC AV-21L91.
However, one of the most important roles played by the user manual is to help in solving problems with JVC AV-21L91. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device JVC AV-21L91 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
