JVC HV-L29PRO Скачать руководство пользователя страница 14

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No. 51828

HV-L29PRO

SERVICE ADJUSTMENTS

BEFORE STARTING SERVICE ADJUSTMENT

There are 2 ways of adjusting this TV: One is with the

REMOTE CONTROL UNIT and the other is the conventional

method using adjustment parts and components.

The setting

(adjustment) using the 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.

3. Make sure that connection is correctly made to AC power

source.

4. Turn on the power of the TV and measuring instrument for

warming up for at least 30 minutes before starting adjustment.

5. If the receive or input signal is not specified, use the most

appropriate signal for adjustment.

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:

Setting position

PICTURE MODE (VSM)

STANDARD

SLEEP TIMER

OFF

BALANCE

CENTER

ECO

OFF

ZOOM

REGULAR

MEASURING INSTRUMENT AND FIXTURES

1. DC voltmeter (or digital voltmeter)

2. Oscilloscope

3. Signal generator (Pattern generator) [PAL / SECAM / NTSC]

4. Remote

control

unit

ADJUSTMENT ITEMS

●

Checking items.

●

Adjustment of FOCUS.

●

VSM preset setting.

●

VIDEO / CHROMA circuit adjustment.

●

DEFLECTION circuit adjustment.

●

AUDIO circuit adjustment.

(Do not adjust)

MC-Service

Содержание HV-L29PRO

Страница 1: ...RO A HV L29PRO AU HV L29PRO 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 MC Service ...

Страница 2: ...0V 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 75Ω 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 signal 75Ω...

Страница 3: ...or 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 10k 2W resistor to the anode button 8 When service is required ob...

Страница 4: ...S CENTER LIST BT 56002 2 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 L29PRO HK Pure FLAT CRT reproduce fine textured Digi Pure pro Auto digi pure with motion picture compensation Because this TV unit corresponds to multiplex broadcast users can enjoy music programs and...

Страница 5: ... DEF RGB PROCESSOR TU001 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 TU001 TUNER MAIN PWB SDA 1 SCL 1 SDA 2 SCL 2 SYNC SEP PWB 100Hz PWB AV SW PWB MICON PWB ...

Страница 6: ... R 8 SPATIALIZER 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 6 TV VIDEO EXIT Button 1 VIDEO 1 INPUT terminal S V L R 2 VIDEO 2 INPUT terminal V L R 3 VIDEO 3 INPUT terminal V Y Cb Cr L R COMPONENT 4 OUTPUT AUDIO VIDEO terminal V L R 5 AV COMPULINK terminal 6 AERIAL socket ...

Страница 7: ...ey A MULTI Key B VOLUME Key C CHANNEL Key D MUTING Key E PIP MODE F PIP Key G POSITION Key H FREEZE Key I SUB P PIP Key J NEXT Key K SWAP Key L STROBE Key M DISPLAY Key N STEREO Ⅰ ⅡKey Stereo Mono Ⅰ Bilingual subⅠ Ⅱ Bilingual subⅡ O FUNCTION Key P MENU OK Key Q COLOUR Key R COLOUR SYSTEM Key S SOUND SYSTEM Key U TELETEXT Key Without HV L29PRO HK MC Service ...

Страница 8: ...he speaker 5 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 As shown in Fig 2 remove the many screws from HONE side then remove the tweeter speaker screws to remove it CHECKING THE PW B...

Страница 9: ...OCKET PWB POWER 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 R C MICON PWB CONTROL BASE FRONT CONTROL PWB L DOME SPEAKER BOX REAR COVER CHASSIS AV TERMINAL BLK PWB ...

Страница 10: ...t 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 dismount...

Страница 11: ...of 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 SERVI...

Страница 12: ...1 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 13 A MOVIE 6 STATUS Do not adjust 1 SOFT 2 TELETEXT 3 ASPECT 3 AUDIO Do not adjust 1 ERR LIMIT 2 A2 ID THR 3 QUASI 7 PIP 1 PIP VCO ADJ 2 PIP VID AGC 3 PIP SYNC SLICE 4 DEF 1 V SHIFT ...

Страница 13: ...MODE BRIGHT LANGUAGE ENGLISH WHITE MODE COOL 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 TREBL...

Страница 14: ...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 Setti...

Страница 15: ...NE J F CH DOWN MENU OK CH UP IN VIDEO 4 R4 L4 V4 S IN TV VIDEO EXT VOL UP VOL DOWN F901 Power cord POWER SW ECO SPETIALIZER C901 LF901 CDS Speaker SYNC PWB TUNER 2 CN003 CN007 CN013 C1 CN001 CN004 CN005 CN006 TUNER F F CONT L PWB S IN R3 CN002 CN111 CN002 To AV SW PWB TOP AV SW PWB SCREEN VR FOCUS 1 VR CRT SOCKET PWB SOLDER SIDE VM VR FOCUS 2 TP E TP 47B VM CN013 TP Y CN014 E1 CRT YV VR1 XV COIL Y...

Страница 16: ...etting 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 SHIPPING O...

Страница 17: ...ERVICE 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 MENU 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 key UP DOWN LEFT RIG...

Страница 18: ...R LIMIT C _ AD _ BITS 5 VSM PRESET VSM PRESET STD 1 CONT STORE DISP EXIT OK WB PRESET 1 WDR R 8 WB PRESET STORE DISP EXIT OK PIP 1 PIP VCO ADJ 7 PIP STORE DISP EXIT OK AUTO STORE DISP EXIT OK 1 PIP VCO ADJ 2 PIP VID AGC 3 PIP SNC SLI 6 STATUS Do not adjust STATUS 1 SOFT STORE DISP EXIT OK 1 SOFT 2 TELETEXT 3 ASPECT STORE DISP EXIT OK 1 WDR R 2 WDR G 3 WDR B IF SERVICE MENU 1 VCO 2 ATT ON OFF 1 2 S...

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 32 0kV 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 C...

Страница 21: ...the upper 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 V...

Страница 22: ...on 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 CON...

Страница 23: ... WDR 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 BRIGH...

Страница 24: ...et 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 ...

Страница 25: ...g the value of A of the illustration to 6V W B 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 Adjus...

Страница 26: ...elect 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 12V 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 ...

Страница 27: ...e 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 3 8 0 0 0 0 2 V SIZE 5 0 0 0 15 0 3 H CENT 11 3 0 0 0 0 4 H SIZE 11 5 0 0 3 3 5 TRAPEZ 16 17 0 0 0 0 6...

Страница 28: ...nd 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 make sure...

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: ...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 and a...

Страница 31: ...setting 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: ...t 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 19H 3 QUASI 00H FFH 19H MC Service ...

Страница 33: ...een Fig 3 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 conver...

Страница 34: ...g 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 of...

Страница 35: ...rs 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 i...

Страница 36: ...No 51828 HV L29PRO 36 MC Service ...

Страница 37: ...HVL29PROHK H 3 HVL29PROA H 3 HVL29PROAU H 3 HVL29PROEE H 3 4 VP 0108 DP1051 VICTOR COMPANY OF JAPAN LIMITED HOME AV NETWORK BUSINESS UNIT 12 3 chome Moriya cho Kanagawa ku Yokohama Kanagawa prefecture 221 8528 Japan ...

Страница 38: ... Metalized Film Capacitor MF R Metal Film Resistor MM CAP Metalized Mylar Capacitor MG R Metal Glazed Resistor MP CAP Metalized Polystyrol Capacitor MP R Metal Plate Resistor PP CAP Polypropylene Capacitor OM R Metal Oxide Film Resistor PS CAP Polystyrol Capacitor CMF R Coating Metal Film Resistor TF CAP Thin Film Capacitor UNF R Non Flammable Resistor MPP CAP Metalized Polypropylene Capacitor CH ...

Страница 39: ...S Y SMF0M604A H2 48 AV SW PW BOARD ASS Y 52 SYNC SEP PW BOARD ASS Y 53 100Hz PW BOARD ASS Y 53 REMOTE CONTROL UNIT PARTS LIST 56 PACKING 56 PACKING PARTS LIST 57 USING PW BOARD REMOTE CONTROL UNIT Model PWB ASS Y HV L29PRO HV L29PRO HK HV L29PRO A HV L29PRO AU HV L29PRO EE MAIN PWB SMF 1601A H2 BLK PWB Within MAIN PWB SMF0V502A H2 POWER DEF PWB SMF 2501A H2 CRT SOCKET PWB SMF 3502A H2 FRONT CONTRO...

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Страница 42: ...W Ⅱ Ⅱ Ⅱ Ⅱ CRT SOCKET PWB FRONT CONTROL PWB R POWER DEF PWB MAIN PWB 10 16 22 AV SW PWB 16 20 L01 T2551 28 13 27 21 19 26 17 18 5 25 100Hz PWB MICON PWB 26 28 V01 23 8 7 27 25 BLK PWB 11 9 FRONT CONTROL PWB L 15 14 12 DY01 2 2 MC Service ...

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Страница 53: ...FJ 3F 3Y39H K _ 01 0 2 5B B5EDC 5 3 5 63 M R 5 E 5B 1N I L M 5 P D 3 F 3 9Z 5B 3 N I L F 5 6 5 635M 3 7R 5 E 5B 3 N 39L M 5 7 P D 35F 3 AZ 5B 3 N 39L F 5 I 5 63 M 3 6R 5 5B 3 N I L M 5 9 P D 3 F 3 9Z 5B 3 N I L F 5 33 3 5 635M 3 7R 5 E 5B 3 N 39L M 5 36 P D 3 F 3 9Z 5B 3 N I L F 5 3 3 5 63 M 3I R 5 E 5B 3I 1N I L M 5 3 6 P D 3 F 3 9Z 5B 3 N I L F 5 3 7 P D 3 F 3 IZ 5B 3 N I L F 5 3 I P D 3 F 3 9Z ...

Страница 54: ... 3 R FJ 3 3Y39H K 3I3 B96K 66 R FJ 6 6 3Y39H K 3I I6 B96K R FJ 3Y39H K 3I7 B96K 8I R FJ 8I 3Y39H K 3II I9 B96K 3 3R FJ 3 3Y39H K 38 B96K R FJ 3Y39H K 38G A9 B96K 3 R FJ 3 3Y39H K 3AA B96K 3 R FJ 3 3Y39H K 3 B96K 3 3R FJ 3 3Y39H K 6 B96K 3 3R FJ 3 3Y39H K 7 B96K R FJ 3Y39H K 38 B96K 3 6R FJ 3 3Y39H K 3A B96K 666R FJ 66 3Y39H K 3G B96K 3 6R FJ 3 3Y39H K B96K A R FJ A 3Y39H K 3 B96K R FJ 3Y39H K 6 B9...

Страница 55: ... 3 36 563 K 3A R 5 5B 3A1N I L K 5 37 38 5 635M 3 7R 5 E 5B 3 N 39L M 5 3A 563 K I93R 5 5B I9 1N I L K 5 3G 835F 789R 5B 78 N 39L F 5 6I 5 635M 3 7R 5 E 5B 3 N 39L M 5 68 6A 835F 3 9R 5B 3 N 39L F 5 6G 77 5 635M 3 7R 5 E 5B 3 N 39L M 5 I3 563 K 7 R 5 5B 7 1N I L K 5 I I6 5 635M 3 7R 5 E 5B 3 N 39L M 5 I7 563 K 3 R 5 5B 3 1N I L K 5 II 563 K 8 R 5 5B 81N I L K 5 I9 835F 3 9R 5B 3 N 39L F 5 93 563 K...

Страница 56: ...No 51828 HV L29PRO 55 REMOTE CONTROL UNIT PARTS LIST 01 0 2 3 M4335 7B BDD O 5CL S F 5 37 35Y F 5 3I 35T 1 MC Service ...

Страница 57: ...No 51828 HV L29PRO 56 PACKING 5 4 7 9 10 11 8 2 2 12 6 13 3 3 A AU EE 14 1 ...

Страница 58: ...AB B5ME J 5B JJ 3 3B 5C 4B 4 6 4533 99 5Q EC B O A1 02 3 7 456 G79 3B CD 5DC I 456 G78 B 5BQDEC D 9 5 6 G98 7 C4O BJ 8 F 5 37 35 FC5C Q ED A 5 6 G99 3 C4O BJ G 45D GI9 3B E D CCM 3 D I9 3 HB B DO 5B 36 D I9 5 D 4E D 3 453 A7I 3AB B5ME J 5B JJ 3 3B 5C 4B 4 6 4533 99 5Q EC B O A1 02 3 7 456 G79 3B CD 5DC I 456 G78 B 5BQDEC D 9 5 6 G98 7 C4O BJ 8 F 5 37 35 FC5C Q ED A 5 6 G99 3 C4O BJ G 45D GIG 3B E ...

Страница 59: ...No 51828 HV L29PRO 58 Memo ...

Страница 60: ...No 51828 HV L29PRO 59 Memo ...

Страница 61: ...ector Wrapping or soldering Receptacle 7 Ground symbol LIVE side ground ISOLATED NEUTRAL side ground EARTH ground DIGITAL ground 5 NOTE FOR REPAIRING SERVICE This model s power circuit is partly different in the GND The difference of the GND is shown by the LIVE side GND and the ISOLATED NEUTRAL side GND Therefore care must be taken for the following points 1 Do not touch the LIVE side GND or the ...

Страница 62: ...C401 V OUT B1 FOCUS1 FOCUS2 EHV SCREEN IC402 EW V DRIVE H OUT SDA SCL 100Hz PWB V DY H DY POWER DEF PWB B CRT VM COIL CRT SOCKET PWB SP R IC203 B OUT IC202 R OUT IC201 G OUT ROTATION COIL SP L HEAD PHONE V U Y V100 U100 Y100 T551 HVT R G IC301 DEF RGB PROCESSOR TU001 TUNER IC204 205 2 9Mbit FM IC151 VIDEO PROCESSOR CORDEC IC003 SO RAM IC004 MEMORY IC012 MASK POM PIP_V IC661 TONE VOL IC604 AMP IC35...

Страница 63: ...11 8V 5 6V 4 9V 4 8V 0 5V 11V 9V 11V 8V 4 8V 3 6V 3 6V 0V 0V 4 5V 0V 0V 0V 4 8V 0V 1 8V 0V 7 9V 3 6V 3 7V 3 7V 1 1V 0V 3 1V 0V 3 1V 0 5V 0 5V 0 5V 0V 0V 3 1V 3 6V 3 6V 3 1V 1 9V 0V 3 1V 0 4V 3 1V 0 2V 1 5V 2 3V 1 5V 1 5V 0 1V 1 3V 0 3V 1 1V 0V 3 1V 0V 0 2V 3 1V 2 5V 1 5V 0V 1 3V 2 8V 1V 1V 3V 0 5V 0 5V 1V 0 5V 0V 0 1V 7 5V 2 8V 2 9V 1 5V 1 5V 5 7V 6 2V 6 2V 12V 1 5V 1 5V 2V 2V 3 1V 11 8V 2 3V 2 3V...

Страница 64: ...0V 9V 4 4V 4 5V 4 5V 4 5V 4 4V 4 4V 4 5V 4 4V 4 4V 4 5V 4 4V 4 5V 4 4V 4 5V 0 1V 0V 0V 1 2V 0V 10 2 V 0V 0V 0V 0V 0V 15 2V 15 1 V 0V 0V 15 1V 8 4V 4 6V 8 9V 0 6V 10 2V 0V 0V 0V 2 8V 1 1V 1 8V 1 7V 4 3V 31 5V 0V 3 9V 4 5V 3 5V 3 6V 9 8V 3 9V 4 5V 4V 4 4V 4 4V 4 4V 3 5V 4 5V 4 5V 4 4V 4 5V 4 5V 3 5V 4 4V 4 4V 4V 4 4V 4 5V 4 4V 4 4V 4 4V 4 4V 4 4V 4 4V 9V 10 2 V 0V 0V 15 2V 15 1 V 0V 0V 0V 0V 0 9V 15...

Страница 65: ...90 6 2 1300 140 420 140 25 IC401 4 10 IC401 3 Q501 D Q501 G Q521 B T551 5 8 6 4 3 5V 2 3V 35 7V 9 4V 1 4V 9 9V 2V 1 3V 1 9V 0 1V 0 2V 0 5V 12 4 V 30 IC401 8 9 100 2 T551 139 9 V B1 POWER DEF PWB SMF 2502A H2 FRONT CONTROL PWB DY01 QQD0056 001 TP 91 B1 TP E QQR1253 001 X 001 AC250V QCZ9079 102 C902 MPP 1 AC275V QFZ9075 104 C903 MPP 047 AC275V QFZ9075 473 AC250V 1 4W AC250V AC250V 1 4W 470p AC250V Q...

Страница 66: ...HV L29PRO HV L29PRO No 51828 No 51828 2 11 2 12 100Hz PWB CIRCUIT DIAGRAM 100Hz PWB SMF0Z501A H2 MC Service ...

Страница 67: ...L29PRO HV L29PRO No 51828 No 51828 2 13 2 14 MICON PWB CIRCUIT DIAGRAM MICON PWB SMF0M601A H2 SMF0M602A H2 SMF0M603A H2 HV L29PRO AU EE HV L29PRO HK HV L29PRO A RESET IC MAIN PWB AT24C032 L29PRO MC Service ...

Страница 68: ...B CIRCUIT DIAGRAM 3 4V 3 4V 2 1V 3 4V 0V 2 9V 0 1V 3 5V 4 8V 12V 0 1V 0 1V 0V 2 1V 0 4V 1 8V FRONT CONTROL PWB SMF 8501A H2 HV L29PRO HV L29PRO EE QMP40D0 200J5 HV L29PRO A QMPR010 200 E2 HV L29PRO AU QMP2980 185J5 HV L29PRO HK QMPN050 200 E2 QAF0052 621 MC Service ...

Страница 69: ... 6V 2 8V 11 6V 2 8V 10V 210V 92V 92 2 V 90 4V 2 8V 11 6V 2 8V 9 7V 210V 89 3 V 91V 88 7V 3 2V 10 9V 2 6V 11 8V 6 5V 0 1V 0V 1 6V 5 3V 0 9V 5 9V 11 6V 5 3V 128 7V 129 3V 66 5V 3 5V 66 4V 3V 130 130 100 CRT SOCKET PWB SMF 3502A H2 CRT SOCKET R241 1M 1 2W QRZ0107 105Z 3 3k 120p 3 3k 3p 1k 820p 220p 680 QNZ0380 001 A68QCU259X MC Service ...

Страница 70: ... 4 4V 4 4V 3 6V 3 6V 4 4V 4 4V 3 5V 4 4V 4 7V 4 4V 5 3V 4 4V 4 3V 4 4V 4 5V 4 4V 4 4V 3 9V 4 4V 4 5V 4 4V 4 8V 4 4V 4 2V 3 9V 4 4V 3 9V 4 4V 4 4V 4 7V 4 4V 4 4V 4 9V 0V 0V 3 4V 4 6V 31 4V 4 3V 9V 3 5V 0 4V 3 9V 3 8V 0V 0V 9V 3 1V 0V 4 4V 9V 4 4V 1V 4 4V 2 1V 4 4V 0 5V 4 4V 0 6V 4 4V 4 4V 2 8V 4 4V 3 7V 3 1V 9V 4 4V 4 2V 4 5V 4 4V 4 5V 4 4V 2 IC101 63 3 IC101 56 1 5 IC101 30 3 IC101 41 AV SW PWB SM...

Страница 71: ...HV L29PRO HV L29PRO No 51828 No 51828 2 21 2 22 SYNC SEP PWB CIRCUIT DIAGRAM SYNC SEP PWB SMF0V501A H2 MAIN PWB BLK PWB SMF0V502A H2 MAIN PWB MAIN PWB BLK PWB CIRCUIT DIAGRAM MC Service ...

Страница 72: ...HV L29PRO HV L29PRO No 51828 No 51828 PATTERN DIAGRAMS MAIN PWB PATTERN FRONT 2 23 2 24 MC Service ...

Страница 73: ...HV L29PRO HV L29PRO No 51828 No 51828 FRONT TP 91 B1 TP E POWER DEF PWB PATTERN 2 25 2 26 MC Service ...

Страница 74: ...HV L29PRO HV L29PRO No 51828 No 51828 TOP TOP 100Hz PWB PATTERN SOLDER SIDE 100Hz PWB PATTERN PARTS SIDE 2 27 2 28 MC Service ...

Страница 75: ...HV L29PRO HV L29PRO No 51828 No 51828 TOP TOP MICON PWB PATTERN SOLDER SIDE MICON PWB PATTERN PARTS SIDE 2 29 2 30 MC Service ...

Страница 76: ...HV L29PRO HV L29PRO No 51828 No 51828 2 31 2 32 TOP AV SW PWB PATTERN TOP CRT SOCKET PWB PATTERN MC Service ...

Страница 77: ...HV L29PRO HV L29PRO No 51828 No 51828 TOP FRONT 2 33 2 34 FRONT CONTROL PWB PATTERN SYNC SEP PWB PATTERN BLK PWB PATTERN TOP VP0108 DP6051 MC Service ...

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JVC HV-L29PRO, Руководство по обслуживанию

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