JVC HV-29LPZ/-A Скачать руководство пользователя страница 36 | Manualshive

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No.52012

HV-29LPZ

36

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Содержание HV-29LPZ/-A

Страница 1: ... HK HV 29LPZ A HV 29LPZ EE CONTENTS SPECIFICATIONS 2 SAFETY PRECAUTIONS 3 MAIN DIFFERENCE LIST 4 FEATURES 4 FUNCTIONS 6 SPECIFIC SERVICE INSTRUCTIONS 8 SERVICE ADJUSTMENTS 14 PARTS LIST 37 OPERATING INSTRUCTIONS STANDARD CIRCUIT DIAGRAM 2 1 SERVICE MANUAL COLOUR TELEVISION BASIC CHASSIS MF ...

Страница 2: ...t AC 110V 240V 50 60Hz Power Consumption Max 254W Avg 170W Aerial Input Term 75Ωunbalanced Coaxial Picture Tube 29 68cm measured diagonally High Voltage 31 5kV At zero beam current Audio Power Output 20W 20W Speaker φ10cm Round type 2 φ3 5cm Round type 2 Video 1Vp p 75 Ω Audio L R 500mVrms 4dBs High Impedance Input Terminal S Video Y 1V p p Positive Negative sync provided 75Ω C 0 286V p p burst si...

Страница 3: ...alternatives approved by the manufacturer of the complete product 7 Do not check high voltage by drawing an arc Use a high voltage meter or a high voltage probe with a VTVM Discharge the picture tube before attempting meter connection by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kΩ 2W resistor to the anode button 8 When service is required obse...

Страница 4: ...RANTY CARD BT 54012 2 REMOTE CONTROL UNIT RM C214 1C RM C215 1C RM C214 1C FEATURES New chassis design enable use of an interactive on screen control The TELETEXT SYSTEM has a built in FASTEXT UK system and WST world standard system system Except HV 29LPZ HK Pure FLAT CRT reproducefine textured Digi Pure pro Auto digi pure with motion picture compensation Because this TV unit corresponds to multip...

Страница 5: ...EF RGB PROCESSOR TU0 01 TUNER IC101 VIDEO PROCESS CODEC MAIN IC151 VIDEO PROCESS CODEC SUB IC201 SAMPLE RATE CONVERTER IC301 ENHANCE IC701 BBE CONTROL IC101 MULTI SOUND PROCESSOR IC301 SYNC SEP PWB IC101 SW TU0 01 TUNER MAIN PWB SDA 1 SCL 1 SDA 2 SCL 2 SYNC SEP PWB 100Hz PWB AV SW PWB MICOM PWB ...

Страница 6: ...R LAMP 3 MENU OK Button 9 ECO LAMP 4 CHANNEL MENU UP DOWN Button A POWER LAMP 5 VOLUME MENU LEFT RIGHT Button B POWER SW Button MAIN POWER on and off 6 TV VIDEO EXIT Button Input select 1VIDEO 1 INPUT terminal S V L R 2VIDEO 2 INPUT terminal V L R 3VIDEO 3 INPUT terminal V Y Cb Cr L R COMPONENT 4OUTPUT AUDIO VIDEO terminal V L R 5AV COMPULINK terminal 6AERIAL socket ...

Страница 7: ... CCHANNEL Key DMUTING Key EPIP MODE FPIP Key GPOSITION Key HFREEZE Key View the MAIN picture s frozen image as the SUB PICTURE ISUB P PIP Key JNEXT Key KSWAP Key LSTROBE Key View the MAIN picture as 15 consecutive Still image MDISPLAY Key NSTEREO Ⅰ ⅡKey Stereo Mono Ⅰ Bilingual subⅠ Ⅱ Bilingual subⅡ OFUNCTION Key PMENU OK Key QCOLOUR Key Choose the appropriate colour system RCOLOUR SYSTEM Key Choos...

Страница 8: ...Follow the same steps when removing the other hand dome speaker box speaker NOTE When removing the screws marked of the dome speaker box remove the lower side screw first and then remove the upper one REMOVING THE TWEETER SPEAKER After removing the rear cover 1 Remove the 7 screws marked as shown in the Fig 2 then remove the HONE PANEL 2 Then remove the tweeter speaker screws to remove it CHECKING...

Страница 9: ...DEF PWB CLAW CLAW MAIN PWB CONTROL BASE Fig 1 AV SW PWB B A C DOME SPEAKER BOX 5 100Hz PWB 15 POWER CORD FRONT CONTROL PWB 1 2 C MICOM PWB CONTROL BASE FRONT CONTROL PWB 2 2 DOME SPEAKER BOX REAR COVER CHASSIS AV TERMINAL BLK PWB FRONT CABINET ...

Страница 10: ...height be about 35cm Fig 3 About CRT Spacer Fig 4 An appropriate CRT spacer should be used in the corresponding CRT in accordance with the type of the CRT When a CRT is replaced special attention should be paid to this matter COATING OF SILICON GREASE FOR ELECTRICAL INSULATION ON THE CRT ANODE CAP SECTION Subsequent to replacement of the CRT and HV transformer or repair of the anode cap etc by dis...

Страница 11: ...the SYSTEM CONSTANT SET of Table 1 If the value is different select the setting item with the FUNCTION UP DOWN key and set the correct value with the FUNCTION key 5 Press the MENU OK key to memorize the setting value 6 Press the INFORMATION key and return to the normal screen 5 Setting of receive channels Set the receive channel For setting refer to the OPERATING INSTRUCTIONS 6 Setting of SERVICE ...

Страница 12: ... IF 1 VCO 2 ATT ON OFF 5 VSM PRESET BRIGHT STANDARD SOFT 1 CONT 2 BRIGHT 3 SHARP 4 COLOUR 5 TINT 2 V C 1 RGB BLK 2 WDR R 3 WDR G 4 WDR B 5 BRIGHT 6 CONTRAST 7 COLOUR 8 TINT 9 SHARP 10 VCO ADJ 11 VID ADJ 12 SYNC SLICE 6 STATUS Do not adjust 1 SOFT 2 TELETEXT 3 ASPECT 3 AUDIO Do not adjust 1 ERR LIMIT 2 A2 ID THR 3 SYSTEM 7 PIP 1 PIP VCO ADJ 2 PIP VID AGC 3 PIP SYNC SLICE 4 DEF 1 V SHIFT 2 V SIZE 3 ...

Страница 13: ...MODE BRIGHT LANGUAGE ENGLISH WHITE MODE MID EDIT PRESET CHANNEL ONLY ECO MODE OFF OTHER NON SPACE PICTURE FEATURES FEATURES DIGITAL VNR AUTO SLEEP TIMER OFF DIGIPURE PRO AUTO BLUE BACK ON COLOUR SYSTEM TV Depends on PR CH AUTO SHUT OFF OFF EXT AUTO VIDEO 3 SETTING COMPONENT ZOOM REGULAR CHILD LOCK OFF for all the channels PICTURE TILT CENTER CHANNEL GUARD ALL CH OFF SOUND BASS CENTER BEE ON TREBLE...

Страница 14: ...g adjustment 5 If the receive or input signal is not specified use the most appropriate signal for adjustment 6 Never touch parts such as variable resistors transformers and condensers not shown in the adjustment items of this service adjustment 7 Preparation for adjustment presetting Unless otherwise specified in the adjustment items preset the following functions with the REMOTE CONTROL UNIT Set...

Страница 15: ...ENU O K CH UP IN V IDEO 4 R4 L4 V4 S IN TV VID EO EXT VO L UP VO L DO WN F90 1 Pow er c ord PO WER SW ECO SPETIA LI ZE R C9 0 1 LF90 1 CD S Spe ak er SYNC PWB TUN ER 2 CN 00 3 CN 00 7 CN 01 3 C1 CN001 CN 00 4 CN 00 5 CN 00 6 TUNER F F C ON T L PW B S IN R3 CN 00 2 CN 11 1 CN 00 2 To AV SW P WB TOP AV SW PWB SCR EEN VR FOC US 2 VR FOC US 1 VR CRT SOCKET PWB SOLDE R SIDE VM TP E TP 47 B VM CN 01 3 T...

Страница 16: ...the setting values of the DEFLECTION circuit for each aspect mode given below 5 5 VSM PRESET This mode adjusts the initial setting values of Bright Standard soft VSM Video Status Memory 6 6 STATUS It is no requirement to adjustment 7 7 PIP This mode adjusts the setting values of the PIP circuit PIP Picture In Picture 8 8 WB PRESET This mode adjusts the setting values of the WHITE BALANCE 9 9 SHIPP...

Страница 17: ...RVICE MENU SCREEN See Fig 3 form the SERVICE MENU SERVICE MENU SUB MENU 1 IF 2 V C 3 AUDIO Do not adj 4 DEF 5 VSM PRESET 6 STATUS Do not adj 7 PIP 8 WB PRESET 9 SHIPPING OFF 0 BUS FREE SERVICE MENU SERVICE MEN U 1 IF 2 V C 3 AUDIO 4 DEF 5 VSM PRESET 6 STATUS 7 PIP 8 WB PRESET 9 SHIPPING OFF 0 BUS FREE 1 0 SELECT DISP EXIT Fig 1 PICTURE CONTENTS key PIP key MENU OK key FUNCTION ke y UP DOWN LEFT RI...

Страница 18: ...ERROR _ RAT E 5 VSM PRESET VSM PRESET STD 1 CONT STO RE DISP EXIT OK WB PRESET 1 W DR R 8 WB PRESET STO RE DISP EXIT OK PIP 1 PIP VCO ADJ 7 PIP STO RE DISP EXIT OK AUTO STO RE DISP EXIT OK 1 PIP V CO ADJ 2 PIP V ID AGC 3 PIP S NC SLI 6 STATUS Do not adjust STATUS 1 SOF T STO RE DISP EXIT OK 1 SOFT 2 TELE TEXT 3 ASPE CT STO RE DISP EXIT OK 1 WDR R 2 WDR G 3 WDR B IF SERVICE MENU 1 VCO 2 ATT O N OF ...

Страница 19: ... 2 4 5 7 8 Key Select one from 2 V C 4 DEF 5 VSM PRESET 7 PIP 8 WB PRESET FUNCTION UP DOWN Key Select setting items FUNCTION Set adjust the setting values of the setting items MENU OK Key Memorize the setting value Before storing the setting values in memory do not press the CH TV POWER ON OFF key if you do the values will not be stored in memory DISPLAY DISP Key Return to the SERVICE MENU screen ...

Страница 20: ...1 RGB BLK with function UP DOWN key 5 Press the function key to find the cut off screen Black screen 6 Connect a DC voltmeter to CRT ANODE and chassis GND 7 Make sure that the voltage is DC 31 5kV 8 Press the function key to return to service menu Remove the probe before removing the earth clip Check of VCO Remote control unit 1 VCO 2 ATT ON OFF Under normal conditions no adjustment is required Co...

Страница 21: ...er side may become uniform at the line center and its periphery 6 Carry out adjustment by repeating the steps 3 4 and 5 about 7 Make sure that the screen is darkened the lines remain in good focus Adjustment of SCREEN VR Signal generator SCREEN VR In HVT 1 Receive a whole black signal 2 Press the ZOOM key and select the regular mode 3 Select 2 V C from the SERVICE MENU 4 Rotate the SCREEN VR In HV...

Страница 22: ...ion UP DOWN and LEFT RIGHT key to bring the set values of 1 CONT 5 TINT to the values shown in the table 4 Press the MENU OK key and memorize the set value 5 Respectively select the VSM PRESET mode for REGULAR and BRIGHT and make similar adjustment as in 3 above 6 Press the MENU OK key and memorize the set value Refer to OPERATING INSTRUCTIONS for the PICTURE MODE Setting item VSM preset mode 1 CO...

Страница 23: ...ify 2 W DR R and 3 WDR G data to adjust the white balance high light 4 Press the MENU OK key and memorize the set value 5 Change the contrast and brightness with the remote control up down from low light to high light and check that the tracking of the white balance is good Adjustment of SUB BRIGHT Remote control unit 5 BRIGHT 1 Receive any broadcast 2 Select 2 V C from the SERVICE MENU 3 Select 5...

Страница 24: ...t value SECAM COLOUR SECAM COLOUR 1 Receive a SECAM broadcast 2 Make fine adjustment of SECAM COLOUR in the same manner as for above NTSC 3 58 COLOUR 1 Input a NTSC 3 58MHz COMPOSITE VIDEO signal from the EXT terminal 2 Make similar fine adjustment of NTSC 3 58 COLOUR in the same manner as for above NTSC 4 43 COLOUR Adjustment of SUB COLOURⅠ Ⅰ Ⅰ Ⅰ Remote control unit NTSC COLOUR 1 Receive a NTSC 4...

Страница 25: ...ring the value of A of the illustration to 5V W Cy 6 Press the MENU OK key and memorize the setting value NTSC 3 58 COLOUR 1 Input a NTSC 3 58MHz COMPOSITE VIDEO signal full field colour bar with 75 white from the EXT terminal 2 Select 2 V C from the SERVICE MENU 3 Select 7 COLOUR with the function UP DOWN key 4 Set the initial setting value of NTSC 3 58 COLOUR with the function LEFT RIGHT key 5 A...

Страница 26: ...lect 8 TINT with the function UP DOWN key 4 Set the initial setting value of NTSC 3 58 TINT with the function LEFT RIGHT key 5 Connect the oscilloscope between TP 47B and TP E 6 Adjust NTSC 3 58 TINT to bring the value of B in the illustration to 9V voltage difference between white W and magenta Mg 7 Press the MENU OK key and memorize the setting value NTSC 4 43 TINT Adjustment of SUB TINTⅡ Ⅱ Ⅱ Ⅱ ...

Страница 27: ... remote control unit is made on the basis of the initial setting values The setting values which adjust the screen to the optimum condition can be different from the initial setting values Initial setting value REGULAR ZOOM 16 9 Setting item 100Hz i 60Hz p 100Hz i 60Hz p 100Hz i 60Hz p 1 V SHIFT 0 7 0 0 0 0 2 V SIZE 5 1 0 0 15 0 3 H CENT 21 0 0 0 0 0 4 H SIZE 10 6 0 0 3 3 5 TRAPEZ 22 14 0 0 0 0 6 ...

Страница 28: ...HIFT and 13 V LIN 6 Press the MENU OK key and memorize the set value Adjustment of V SIZE 2 V SIZE 7 Receive a cross hatch signal 8 Select 2 V SIZE and set the initial setting value 9 Adjust V SIZE and make sure that the vertical screen size of the picture size is in the bellow table 10 Press the MENU OK key and memorize the set value 11 Input a NTSC VIDEO signal 60Hz from the EXT terminal and mak...

Страница 29: ...that the horizontal screen size of the picture size is in the bellow table 20 Press the MENU OK key and memorize the set value 21 Input a NTSC VIDEO signal 60Hz from the EXT terminal and make sure that the horizontal screen size is in the below table 22 Press the MENU OK key and memorize the set value Adjustment of EW PIN 6 EW PIN 23 Select 6 EW PIN and set the initial setting value 24 Adjust EW P...

Страница 30: ...tial setting value of 9 COR LO with the function LEFT RIGHT key 33 Adjust COR LO and bring the straight line at the low corner 34 Select 8 COR UP with the function UP DOWN key 35 Set the initial setting value of 8 COR UP with the function LEFT RIGHT key 36 Adjust COR UP and bring the straight line at the upper corner 37 If the extreme upper lower corners and a little pin or barrel chose 7 COR PIN ...

Страница 31: ...etting value of 13 V LIN with the function LEFT RIGHT key 48 Select 12 V S CR with the function UP DOWN key 49 Set the initial setting value of 12 V S CR with the function LEFT RIGHT key 50 Adjust 13 V LIN and 12 V S CR so that the spaces of each line on TOP CENTER and BOTTOM become uniform NOTE Do not adjust ZOOM 16 9 mode At first the adjustment in 50Hz REGULAR mode should be done then the data ...

Страница 32: ...ustment of the SERVICE MENU as it requires no adjustment If values had changed for the some reason set the initial values in the following table 3 AUDIO Do not adjust Setting item Variable range fixed value 1 ERR LIMIT 00H FFH 10H 2 A2 ID THR 00H FFH 14H 3 QUASI 00H FFH ...

Страница 33: ...8 Move the deflection yoke forward and fix the position of the deflection yoke so that the whole screen will become green 9 Insert the wedge to the top side of the deflection yoke so that it will not move 10 Input a crosshatch signal 11 Verify that the screen is horizontal 12 Input red and blue raster signals and make sure that purity is properly adjusted P PURITY MAGNET 4 4 POLES convergence magn...

Страница 34: ... Fig 2 2 Move the deflection yoke left to right to overlap the lines in the periphery and match the Yv VR1 As shown in Fig 4 3 Using the VR1 on the deflection yoke match the YH CROSS See Fig 3 and 6 4 Using the VR2 on the deflection yoke match the YH BOW See Fig 3 and 6 5 Repeat the steps 1 and 4 and obtain an optimum convergence 6 Differential XV coil ADJUSTMENT In case where the horizontal lines...

Страница 35: ...s and remove the chip part Transistors diodes variable resistors etc 1 Apply extra solder to each lead 2 As shown in the figure push the part with tweezers and alternately melt the solder at each lead Shift and remove the chip part Note After removing the part remove remaining solder from the pattern 2 How to install Chip parts Resistors capacitors etc 1 Apply solder to the pattern as indicated in...

Страница 36: ...No 52012 HV 29LPZ 36 ...

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