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TROUBLESHOOTING 

Troubleshooting chart 

Summary of Contents for 31DX11B

Page 1: ...f features designed to give you excellent performance if you follow the instructions in this manual We recommend that you read the following instructions and IMPORTANT SAFEGUARDS notice before turning on your TV set for the first time This television receiver will display television closed captioning or in accordance with paragraph 15 119 of the FCC rules ...

Page 2: ...VCR FUNCTIONS 36 USING THE GENIUS REMOTE TO CONTROL CABLE BOX FUNCTIONS 37 TABLE 1 VCR Precoded remote controls for Hitachi GR III Remote CLU 851GR 38 TABLE 2 Cable Box Precoded remote controls for Hitachi GR III Remote CLU 851GR 39 TABLE 3 VCR Precoded remote controls for Hitachi GJ III and GJ II Remote CLU 692GR and CLU 681GJ 39 TABLE 4 Cable Box Precoded remote controls for Hitachi GJ III and G...

Page 3: ...e of uninsulated dangerous voltage within the TV set enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the TV set WARNING TO PREVENT FIRE OR SHOCK HAZARD DO NOT E...

Page 4: ...ITH AN EXTENSION CORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE POLARIZED PLUG NOTE Never remove the back cover of the set as this can expose you to very high voltages and other hazards If the set does not operate properly unplug the set and call your dealer or service shop HITACHI SAFETY POINTS YOU SHOULD KNOW ABOUT YOUR HITACHI TELEVISION RECEIV...

Page 5: ...g having one blade wider than the other This plug will fit into the power outlet only one way This is a safety feature If you are unable to insert the plug fully into the outlet try reversing the plug If the plug should still fail to fit contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of the polarized plug 2 When the power cord or plug is damaged or frayed...

Page 6: ... this television set from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use a damp cloth for cleaning 11 1 Do not place this television set on an unstable cart stand or table The television set may fall causing serious injury to a child or an adult and serious damage to the appliance Use only with a cart or stand recommended by the manufacturer or sold with the tel...

Page 7: ...al Never block the bottom ventilation slots of the set by placing it on a bed sofa rug etc Never place the set near or over a radiator or heat register Never place the set in a built in enclosure unless proper ventilation provided PROTECTION AND LOCATION OF YOUR SET 16 1 If an outside antenna is connected to the television set be sure the antenna system is grounded so as to provide some protection...

Page 8: ...This reminder is provided to call the CATV system installer s attention to Article 820 40 of the NEC that provides guidelines for proper grounding and in particular specifies that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry as practical ...

Page 9: ...be operated only from the type of power source indicated on the marking label If you are not sure of the type of power supply at your home consult your television dealer or local power company For television sets designed to operate from battery power refer to the operating instructions 20 If the television set does not operate normally by following the operating instructions unplug this set telev...

Page 10: ...particularly when being turned on or off If the snapping or popping is continuous or frequent unplug the set and consult your dealer or service technician FOR SERVICING AND MODIFICATION 25 Do not use attachments not recommended by the television set manufacturer as they may cause hazards 26 When replacement parts are required be sure the service technician has used replacement parts specified by t...

Page 11: ...where sunlight or bright indoor illumination will not fall directly on the picture screen Also be sure that the location selected allows a free flow of air to and from the perforated back cover of the TV set To prevent damaging the TV do not leave the set in a place where the temperature becomes too hot For example exposed to direct sunlight or near a heating device etc VIEWING This TV set may be ...

Page 12: ...t the VHF or UHF indoor antenna leads from screws of the VHF or UHF adapter and connect outdoor VHF or UHF antenna leads to these screws of a VHF or UHF adapter 3 When both VHF and UHF antennas are connected Attach an optional ANT MIXER to the TV antenna terminal and connect the cables to the ANT MIXER Notes 1 If an outdoor antenna CATV is to be used disconnect the indoor antenna Do not leave both...

Page 13: ...nector an antenna adaptor 300 Ohm to 75 Ohm For connecting RF signals antenna or cable TV to the antenna jack on the television Phono Connector S Video Super Video Connector Used on all standard video and audio cables which This connector is used on camcorders VCRs connect to inputs and outputs located on the and laser disc players with an S Video feature Television s front and rear jack panels in...

Page 14: ...HOOK UP CABLES AND CONNECTORS information on connecting your hook up cables ...

Page 15: ...ew illustration FRONT PANEL JACKS AND CONNECTIONS The front panel jacks are provided as a convenience to allow you to easily connect a camcorder or VCR as shown in the following examples Front panel connections illustration NOTE Completely insert the connection cord plugs when connecting to front panel jacks If you do not the played back picture may be abnormal ...

Page 16: ...und louder and the left side DOWN of the VOLUME BUTTON to make the sound softer Variation of the volume is displayed in the lower part of the screen by the color bar Fig 1 AVX BUTTON FUNCTION SELECTION Every time the AVX BUTTON is pressed the set alternates between the TV mode and and AVX mode To watch the TV set to the TV mode At this time the channel number is displayed in the upper right of the...

Page 17: ...ed ON the channel No is displayed on the screen for approx 15 seconds PICTURE CAUTIONS When using TV games computers and similar products with your TV keep the CONTRAST and BRIGHTNESS functions at low settings If a fixed non moving pattern is left on the screen for long periods of time at a high CONTRAST or BRIGHTNESS setting the image can be permanently imprinted onto the screen These types of im...

Page 18: ...lled To operate your TV point the Genius remote at the remote sensor of the TV To operate your VCR point the remote at the remote sensor of the VCR Genius Remote CLU 851GR illustration READY indicator light Refer to page 37 38 SEND LEARN indicator light Refer to page 37 38 LEARN USE select switch Located on rear side of remote control LEARN Enters the Learning mode Refer to page 36 USE Set for nor...

Page 19: ...VCR point the remote at the remote sensor of the VCR To operate your cable box point the remote at the remote sensor of the cable box Genius Remote CLU 692GR illustration MULTI PAGE SELECT SWITCH Slide the switch in the direction of the arrow to select the MULTI PAGE mode Button layout when TV is selected The P IN P SHIFT EXCHNG and FREEZE buttons Button layout for VCR Power button turns the VCR O...

Page 20: ...s below will control your Hitachi TV only when the MULTI PAGE SELECT SWITCH below is set to TV mode To operate your TV point the Genius remote at the remote sensor of the TV To operate your VCR point the remote at the remote sensor of the VCR To operate your cable box point the remote at the remote sensor of the cable box Genius Remote CLU 681GJ illustration MULTI PAGE SELECT SWITCH Slide the swit...

Page 21: ...tereo ST or second audio SA program press the RECALL button You can also check the time and if the ON TIME or OFF TIME has been set These functions are explained in the MENU SET UP section beginning on page 19 You can also use the RECALL button to quickly clear many of the other on screen displays MENU ENTER CURSOR buttons All the on screen display features can be set or adjusted by using these bu...

Page 22: ...or down NOTE THE TV MAY NOT RECEIVE SOME CHANNELS IF YOU ARE NOT IN THE CORRECT AIR CABLE MODE SEE PAGE 20 AVX button The AVX Auxiliary Video button will select between the antenna signal and the two sets of video input jacks each time the button is pressed VOLUME MUTE buttons Press the VOLUME up or down button until you obtain the desired sound level To turn the sound on and off instantly to answ...

Page 23: ...urned off The word MUTE will not be displayed if the CLOSED CAPTION feature is on LAST CHANNEL LST CH button Use this button to select between the last two channels viewed Good for watching two sporting events etc PICTURE IN PICTURE buttons Not available on Model 31DX11B See separate section on page 27 for a description ...

Page 24: ...play and to practice using the remote control press and hold the POWER button on the TV set for approximately 5 seconds Press the POWER button on the TV again to end the autodemonstration CLOSED CAPTION When CLOSED CAPTION is highlighted in purple press ENTER to see the following display Closed captions are the dialogue narration and or sound effects of a television program or home video which are...

Page 25: ...ed if the DISPLAY is ON If you do not have sound make sure MUTE is not set INITIAL SETTING Select SET UP and INITIAL SETTINGS when setting your TV up for the first time Use the CURSOR UP DOWN or a NUMBER from the remote to highlight the functions desired AIR CABLE Select this function to change between regular VHF UHF broadcasting AIR and cable CATV1 or CATV2 Press the CURSOR buttons to highlight ...

Page 26: ...ng will stop See CHANNEL MEMORY to add or erase additional channels CHANNEL MEMORY Use this function after AUTOPROGRAM to add or erase additional channels to the remote control CHANNEL buttons Add or erase additional channels while still in CHANNEL MEMORY using the CHANNEL buttons or number buttons and then add or erase using the CURSOR buttons CLOCK SET Use the same remote control buttons as show...

Page 27: ...Select CANCEL to erase a CHANNEL CAPTION PROGRAM LIST This function allows you to view which channels are labeled in CHANNEL CAPTION NAME which have been added to CHANNEL MEMORY SCAN and which are protected by CHILD LOCK LOCK Press MENU 1 ENTER 4 ENTER to view Press the CURSOR to view more channels Press MENU to exit TIMER SET This function will automatically turn the TV on or off Press 1 ENTER to...

Page 28: ...errent when away from home by using both the ON and OFF TIMERS The OFF TIMER function will not work until you reset it and the next ON TIME when using DAILY MODE will leave the TV set turned on until you press the power button on the TV or remote control to turn it off AUTOMATIC MESSAGE Use this function to set up two personal messages once a day or one time only Setting the AUTOMATIC MESSAGE is t...

Page 29: ... warranty The message can be erased from the TV by pressing RECALL MUTE LST CH etc CHILD LOCK This function will block out the picture and sound of the selected channel Press MENU 1 ENTER 7 ENTER to display CHILD LOCK The code to set or cancel CHILD LOCK is a three digit key number The factory preset key number is 000 The picture and sound will now be blocked out for this channel Repeat the same s...

Page 30: ...ls VOLUME CORRECTION Use this function to reduce the volume level of up to four TV channels that sound loud compared to other TV channels Press MENU 1 ENTER 8 ENTER to display VOLUME CORRECTION Press the CURSOR to select volume level Press ENTER to set the volume level Press MENU to exit Use the channel buttons while still in VOLUME CORRECTION to set additional channels ...

Page 31: ...viewing a VCR program TV or tape and vice versa with this feature P IN P BUTTON Press the P in P button and a sub picture appears in one corner of the screen To remove the sub picture from the screen press the button a second time EXCHNG BUTTON If you wish to switch what is being shown on the main picture to the sub picture press the EXCHNG button SHIFT BUTTON To move the sub picture to another co...

Page 32: ...ze the picture you are currently viewing Press this button again to return to normal viewing The other picture in picture function EXCHNG button will not work with this FREEZE function CAUTION A pattern burn may develop if the sub picture is left in the same corner permanently If the P in P feature is used frequently occasionally shift the sub picture to a different corner NOTE 1 Only sound from t...

Page 33: ... function to adjust flesh tones so that they appear natural BRIGHT Use this function to adjust overall picture brightness SHARP Use this function to adjust the amount of fine detail in the picture WHITE CONTROL Use this function to adjust the white balance hue of the picture to your own color preference When shipped from the factory this is set to cool If you prefer a reddish screen set to STD SOU...

Page 34: ...tion or to turn it on or off MTS MODE Multi Channel Television Sound will allow you to select STEREO a stere broadcast SA second audio program which may be a secondary language weather report etc or MONO monaural sound used when receiving a weak stereo broadcast The sources received will be displayed below the channel number The source you select will be displayed to the left of the channel number...

Page 35: ...for normal stereo mono broadcasts ON Listener is surrounded by many sound sources such as a sporting event etc NOTE Some TV systems do not transmit optimum audio channel separation which can reduce the effectiveness of the SURROUND function ...

Page 36: ...the VCR channels do not change after 5 seconds try a different Genius Remote button 5 Release both buttons when the VCR begins to change channels The precoded VCR buttons will now control your VCR NOTES If your VCR cannot be operated after performing the above procedure the codes have not been precoded into the Genius remote control and it will not be able to operate your VCR You will only have to...

Page 37: ...us Remote control is programmed for your cable box If the cable box channels do not change after 5 seconds try a different Genius Remote button 5 Release both buttons when the cable box begins to change channels The precoded cable box buttons will now control your cable box NOTES If your cable box cannot be operated after performing the above procedure the codes have not been precoded into the Gen...

Page 38: ...on 100 ENTER Fisher VOLUME GE 2 6 Goldstar 0 Hitachi 1 Instant Replay 6 JC Penny 1 6 9 VOLUME JVC 0 VOLUME Kenwood 0 VOLUME Magnavox 4 6 Marantz 9 VOLUME Marta 0 Memorex 6 VOLUME MGA 7 Minolta 1 Mitsubishi 7 Montgomery Wards CHANNEL NEC 9 VOLUME Panasonic 6 Pentex 1 Philco 4 6 Philips 4 6 Pioneer 1 ProScan 2 Quasar 6 RCA 1 2 Realistic 6 9 CHANNEL VOLUME Sanyo 9 VOLUME Scott 7 8 Sears 1 9 Sharp CHA...

Page 39: ... General Instrument 0 1 2 3 Hamlin 4 Jerrold 0 1 2 3 Magnavox 9 Panasonic 8 Philips 9 Pioneer 7 Regal 4 Scientific Atlantic 6 Viewstar 9 Zenith 5 TABLE 3 VCR Precoded remote controls for Hitachi GJ III and GJ II Remote CLU 692GR and CLU 681GJ Press SELECT and this VCR BRAND button Canon 6 Citizen 0 Curtis Mathis 2 6 Dimensia 2 GE 2 6 Goldstar 0 Hitachi 1 Instant Replay 6 JC Penny 1 6 9 JVC 0 Kenwo...

Page 40: ...tgomery Wards CHANNEL NEC 9 Panasonic 6 Pentex 1 Philco 4 6 Philips 4 6 Pioneer 1 ProScan 2 Quasar 6 RCA 1 2 Realistic 6 9 CHANNEL Sanyo 9 Scott 7 8 Sears 1 9 Sharp CHANNEL Sony 5 VOLUME VOLUME Sylvania 4 6 Tashiko 0 Technics 6 Toshiba 1 8 Wards CHANNEL Yamaha 9 Zenith 3 5 ...

Page 41: ...ry operation Since the infrared signals sent from the remote transmitter may be reflected by a wall door etc even if the transmitter is not pointed directly at the device it may operate When storing the remote control codes of another device turn OFF the power of the device VCR Cable Converter etc If you do not do this the device may work unexpectedly The power could be turned ON an important tape...

Page 42: ...ition 4 Press one of the learnable buttons on the Genius Remote 7 in this example This button will be used to store the new code The READY indicator will light at this time The light will remain lit for approximately 15 seconds If no other function is performed at this time the operation is canceled The Genius Remote is ready to receive an infrared code from another remote 5 Press and hold the but...

Page 43: ...ore other keys 8 This Remote transmitter also provides a function to clear the remote control codes which have been stored To clear the stored codes from the USER mode Set the MULTI PAGE select switch to the USER mode and LEARN USE mode select switch to LEARN Then press the POWER and the MUTE buttons simultaneously for 3 seconds The READY and LEARN LEDs will light together All MULTI PAGE KEYS with...

Page 44: ...el of an external audio amplifier with the remote transmitter connect the system as shown below Fig 1 NOTE To prevent damage to the speaker and distorted sound set the volume control of the audio amplifier lower and adjust the sound level using the volume control on the remote transmitter of the TV set ...

Page 45: ...is changed every time the AVX button is pressed as shown below Connect External Video source to the INPUT terminal then press AVX button as necessary to view the input source NOTE When the TV is set to VIDEO and a video signal is not received from VIDEO INPUT JACK on the back panel of the TV i e VCR Video Disc Player etc is not connected or the video input device is OFF the screen will be black CO...

Page 46: ...ct the cable from the AUDIO OUT R of the VCR or the Video Disc Player to the INPUT AUDIO R jack Fig 1 Connect the cable from the AUDIO OUT L of the VCR or the Video Disc Player to the INPUT AUDIO L jack Fig 1 Press the AVX button to view the program from the VCR or Video Disc Player The video mode VIDEO disappears automatically after approx 8 seconds Press the AVX button to return to the previous ...

Page 47: ...place of the standard video cable REMOTE CONTROL BATTERY INSTALLATION AND REPLACEMENT TRANSMITTER BATTERY INSTALLATION AND REPLACEMENT Open the battery cover of the Remote transmitter by pushing the notched part of the cover with your finger a Push the batteries towards the spring and lift them out b Replace old batteries with two new AA size SUM 3 batteries or equivalent c Match the and marks in ...

Page 48: ...ter to become wet and avoid placing it in areas of high humidity Don t leave it on or near a heater Excess heat or moisture may cause the unit to cease operation 4 If the batteries become exhausted Remote control operation may become erratic or stop altogether Replace the old batteries with two fresh AA SUM 3 types NOTES 1 When the power button is set to OFF the OFF TIMER is released 2 The channel...

Page 49: ...efer to the instruction manual of the VCR for operation of the buttons exclusively for the VCR 3 Be sure to keep the original remote transmitter even after storing its codes in the Genius Remote Control If the Genius Remote is left with its batteries removed the learned codes in its memory are erased and will have to be reprogrammed into the memory 4 The Genius Remote Control may not be abel to le...

Page 50: ...n or position of the antenna may improve reception Ghosting may also be caused by defects in the antenna system such as unshielded leads or connecting several sets to the same antenna without using multiple antenna couplers SNOW If your receiver is located in the fringe area of a television station where the signal is weak your picture may be marred by the appearance of small dots When the signal ...

Page 51: ...TROUBLESHOOTING Troubleshooting chart ...

Page 52: ... models 155W Antennal input impedance 75 Channel coverage 181 ch VHF Band 2 13 UHF Band 14 69 CATV Mid Band A 5 A 1 A I Super Band J W Hyper Band W 1 W 28 Ultra Band W 29 W 84 Video 1 0Vp p 75 S Video Luminance Y 1 0Vp p 75 Chrominance C 0 286Vp p 75 Audio input impedance 47 k Average input level 470mVrms Maximum input level 940mVrms Dimensions 31GX31B 31DX21B 31DX11B 31KX39K Height in 26 3 8 26 3...

Page 53: ...perator will direct you to the Hitachi Authorized Service Facility nearest you Just present proof of purchase and or delivery receipts to the Hitachi Authorized Service Facility and service will be rendered in accordance with the terms of the limited warranty as stated on your warranty card or operating guide Should you have any questions regarding in warranty service operation or technical assist...

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