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JVC AV-29V514/B User's Manual

1. DISPLAY key When this is pressed twice you will return to the SERVICE MENU GS POINT a 1 key Select 1 IF 2 key Select 2 DELAY POINT MENU lt key Adjust the setting value d DISPLAY key When this is pressed twice you will return to the SERVICE MENU 2 2 VIC 3 AUDIO and 4 DEF a 2 4 keys Select one from 2 V C 3 AUDIO and 4 DEF b MENU 4 v key Select setting items MENU lt key Adjust the setting values of the setting items Use the number keys on the remote control unit for setting the WHITE BALANCE For the setting refer to each item concerned d DISPLAY key When this is pressed you will return to the SERVICE MENU 3 5 VSM W B t 5 keys Select 5 VSM W B b MENU OK key Select preset items c MENU 4 key Adjust setting items d MENU 4 gt key Adjust the setting values of the setting items e DISPLAY key When this is pressed you will return to the SERVICE MENU 4 6 STATUS This is for display only 5 7 PLUG amp PLAY ON This is not used for service 4 Release of SERVICE MENU After completing the setting return to the SERVICE MENU by pressing the DISPLAY key then again press the DISPLAY key to return to the normal screen No YA139 1 15 4 6 3 SERVICE MENU FLOW CHART SERVICE MENU SERVICE MENU IF SERVICE MENU 1 IF 2 VIC 3 AUDIO 4 DEF 5 VSM W B 6 STATUS VCO CW xxxx MHz TOO HIGH 1 VCO ABOVE REFEREN
2. SECAM COLOUR 1 Receive a SECAM broadcast 2 Press the COLOUR SYSTEM key to select the SECAM colour system 3 Adjust SECAM COLOUR in the same way as for PAL COLOUR NTSC 3 58 COLOUR 1 Receive a NTSC 3 58MHz broadcast 2 Press the COLOUR SYSTEM key to select the NTSC 3 58 colour system 3 Adjust NTSC 3 58 COLOUR in the same way as for PAL COLOUR NTSC 4 43 COLOUR When adjustment is done for NTSC 3 58 COLOUR appropriate values are automatically set for NTSC 4 43 COLOUR SUB COLOUR 2 Signal TP 47G Method of adjustment using measuring instrument adjustment TP E Notes CRT SOCKET e Proceed to the following adjustment after having completed the SUB CONTRAST adjustment Set PICTURE MODE VSM to BRIGHT Remote PAL COLOUR control unit 1 Receive a PAL colour bar signal full field colour bar 75 white 2 Select 2 V C from the SERVICE MENU 3 Select 6 COLOUR 4 Set the initial setting value of PAL COLOUR S 6 Connectthe oscilloscope between TP 47G and TP E Adjust PAL COLOUR to set the value A in the figure to 18V SECAM COLOUR 1 Receive a SECAM colour bar signal colour bar 75 white 2 Press the COLOUR SYSTEM key to select the SECAM colour system 3 Set the initial setting value of SECAM COLOUR 4 Adjust SECAM COLOUR to set the value A in the figure to 7V NTSC 3 58 COLOUR 1 Receive a NTSC 3 58 colour bar signal full field colour bar
3. FRONT CABINET PICTURE TUBE FBT AV TERMINAL MAIN PWB under side under side SOCKET PWB FRONT CONTROL PWB 1 2 CONTROL BASE X2 SPEAKER x16 Fig 1 REAR COVER 1 8 No YA139 3 2 REPLACEMENT OF MEMORY 3 2 1 MEMORY This TV uses the following memory IC Memory IC IC702 on MAIN PWB The memory IC memorizes data for correctly operating the video and deflection circuits When replacing the memory IC be sure to use the same type IC written with the initial values of data In other words use the specific IC listed in PRINTED WIRING BOARD PARTS LIST For its mounting location refer to ADJUSTMENT LOCATIONS 3 2 2 PROCEDURE FOR REPLACING MEMORY IC 1 Power off Switch the power off and unplug the power cord from the wall outlet 2 Replacing the memory IC Replace the memory IC with new one Be sure to use the memory IC written with the initial data values 3 Power on Plug the power cord into the wall outlet and switch the power on 4 Check and setting of SYSTEM CONSTANT SET 1 Press the DISPLAY key and the PICTURE MODE key on the remote control unit simultaneously The SERVICE MENU screen will be displayed See Fig 1 2 In the SERVICE MENU press the DISPLAY key and PICTURE MODE key simultaneously Then the SYSTEM CONSTANT SET screen will be displayed See Fig 2 3 Check whether the setting values of the SYSTEM CONSTAN
4. 7590 white 2 Press the COLOUR SYSTEM key to select the NTSC 3 58 colour system 3 Set the initial setting value of NTSC 3 58 COLOUR 4 Adjust NTSC 3 58 COLOUR to set the value A in the figure to 9V NTSC 4 43 COLOUR When adjustment is done for NTSC 3 58 COLOUR appropriate values are automatically set for NTSC 4 43 COLOUR 1 20 No YA139 Test point Adjustment part Description instrument SUB TINT 1 Signal 2 V C Method of adjustment without measuring instrument adjustment generator 7 TINT Notes Proceed to the following adjustment after having Remote completed the SUB CONTRAST adjustment control unit Set PICTURE MODE VSM to BRIGHT NTSC 3 58 TINT 1 Receive a NTSC 3 58 colour bar signal full field colour bar 75 white 2 Press the COLOUR SYSTEM key to select the NTSC 3 58 colour system 3 Select 2 V C from the SERVICE MENU 4 Select 7 TINT 5 Set the initial setting value of NTSC 3 58 6 If you cannot get the best tint with the initial setting value make fine adjustment until you get the best tint 7 Press the DISPLAY key twice to return to the normal screen NTSC 4 43 TINT When adjustment is done for NTSC 3 58 TINT appropriate values are automatically set for NTSC 4 43 TINT SUB TINT 2 Signal TP 47G 2 V C Method of adjustment using measuring instrument adjustment generator TP E 7 TINT CRT SOCKET Oscilloscope PWB Notes Proce
5. Note Proceed to the following adjustment after having completed the adjustments of SUB BRIGHT and SUB PICTURE B 4 DEF Variable range Initial setting value Adjustment item uus os 55069 T 4 3 O 0 32 431 0 O o G TRAPEZ vs 32 48 9 LEWPN 0 8 P 9 1 0 8 32 581 HOGE 0 83 si v 0 6 meow 3 4 0 0 9 VSR 0 63 o 0 om O pyn EE h4vzoom 0 683 32 4 2 0 3v H5 V 5CROLL 32 om om 0 NOTE The value with an asterisk is variable for adjustment The in are fixed values COMPRESS OFF ke V SLOPE Signal PALV SLOPE adjustment generator V 1 Receive a PAL circle pattern signal of vertical frequency 50Hz Select 4 DEF from the SERVICE MENU Select 2 V SLOPE Remote 2 3 4 Set the initial setting value of 2 V SLOPE 5 9 control unit Adjust 2 V SLOPE to make A Press the DISPLAY key twice to return to SERVICE MENU screen NTSC V SLOPE 1 Receive a NTSC circle pattern signal of vertical frequency 60Hz 2 Make similar adjustment of NTSC V SLOPE in the same way as for PAL V SLOPE V POSITION Signal PAL V POSITION adju
6. SLOPE 4 Set the initial setting value of 2 V SLOPE 5 Adjust 2 V SLOPE to make A B 6 Press the DISPLAY key to return to SERVICE MENU screen NTSC V SLOPE 1 Receive a NTSC circle pattern signal of vertical frequency 60Hz 2 Make similar adjustment of NTSC V SLOPE in the same way as for PAL V SLOPE Test point Adjustment part Description instrument SIDE PIN Signal 4 DEF PAL SIDE PIN adjustment generator 7 EW PIN 1 Receive a PAL crosshatch signal 2 Select 7 EW PIN Remote 3 Set the initial setting value of 7 EW PIN control unit 4 Adjust 7 EW PIN so that the first vertical lines at the left and right edges on the screen are straight traight ena NTSC SIDE PIN 1 Receive a NTSC crosshatch signal 2 Make similar adjustment of NTSC SIDE PIN in the same way as for PAL SIDE PIN TRAPEZIUM PAL TRAPEZIUM PIN adjustment 1 Receive a PAL crosshatch signal 2 Select 6 TRAPEZ 3 Set the initial setting value of 6 TRAPEZ 4 Adjust 6 TRAPEZ so that the vertical lines at the left and right edges on the screen are in parallel NTSC TRAPEZIUM PIN 1 Receive a NTSC crosshatch signal 2 Make similar adjustment of NTSC TRAPEZIUM in the same way as for PAL TRAPEZIUM CORNER PIN PAL CORNER PIN adjustment generator 1 Receive a PAL crosshatch signal 2 Select 8 COR UP Remote 3 Set the initial setting value of 8 COR UP control
7. YA139 m FRONT PANEL CONTROLS LIMDNO R IN VIDEO 3 0 41 42 1 HEADPHONE jack 2 IN VIDEO 3 VIDEO 8 IN VIDEO 3 AUDIO L MONO 4 IN VIDEO 3 AUDIO R 5 MENU OK button 6 CHANNEL buttons VOLUME buttons TV VIDEO EXIT buttons Remote control sensor ECO sensor POWER lamp MAIN POWER button amp 9 C9 REAR TERMINAL VIDEO 1 INPUT TERMINAL 1 S VIDEO 2 VIDEO 8 AUDIO L MONO 4 AUDIO R COMPONENT VIDEO 2 INPUT TERMINAL 5 YIVIDEO 6 AUDIO L MONO 9 AUDIO R OUTPUT TERMINAL VIDEO 41 AUDIO L 42 AUDIO R 43 Aerial input terminal No YA139 1 5 23 MAIN CPU MAIN PWB IC701 PIN FUNCTION pano iname ema 0 Ea ez 1 VssP2 2 VssC4 1 8 4 4 5 VrefP VrefN_Sdac VrefP Sdac VrefN Sdac VrefP Sdac Xtalln XtalOut VssA1 NECK CONT V5P1 1 SecPll Dec8G EW VDRB VDRA Vif1 EN ENSE s 5 GE 5 LI SL DO Iref GndlF Sif1 5122 30 EE EE ml E OD JE eR 36 Lov 37 Ro QssO AmO AudeEm SifAgc Vormm A NG EADS TI capacitor second sound AgcSsif vou o EN 5 Audio2InL Audio2lnR AR 5 My E REO 87 m Y3 Cvbs BEG AudioLsL AudioLsR
8. outlet do not use a line isolation transformer during this check Using a Leakage Current Tester measure the leakage current from each exposed metal part of the cabinet particularly any exposed metal part having a return path to the chassis to a known good earth ground water pipe etc Any leakage current must not exceed 0 5mA AC r m s However in tropical area this must not exceed 0 2mA AC r m s Alternate Check Method Plug the AC line cord directly into the AC outlet do not use a line isolation transformer during this check Use an AC voltmeter having 1000 volt or more sensitivity in the following manner Connect a 15000 10W resistor paralleled by a 0 15uF AC type capacitor between an exposed metal part and a known good earth ground water pipe etc Measure the AC voltage across the resistor with the AC voltmeter Move the resistor connection to each exposed metal particularly any exposed metal part having a return path to the chassis and measure the AC voltage across the resistor Now reverse the plug in the AC outlet and repeat each measurement Any voltage measured must not exceed 0 75V AC r m s This corresponds to 0 5mA AC r m s However in tropical area this must not exceed 0 3V AC r m s This corresponds to 0 2mA AC r m s AC VOLTMETER HAVING 1000Q V OR MORE SENSITIVITY 0 15uF AC TYPE PLACE THIS PROBE ON EACH EXPOSED 15000 10W METAL PART GOOD EARTH GRO
9. 2 330 CD CD C0 0 VIDEO 2 32 330 9 9 VIDEO 3 COMPOSITE 32 330 9 Om O gt 3 I RF 159 oem L VIDEO 188 GZ eee ee emm m L8 wo es 5 65 9283 gt svoo 10 TINT DVD COMPONENT 32 33 HT AMPTSHARP Re Vb 0 6 9 9 9 9 9 9 WHITE Signal 2 V C Note BALANCE generator 2 CUTOFF B e Set PICTURE MODE VSM to BRIGHT Low light 2 CUTOFF G COMPOSITE WHITE BALANCE adjustment Remote 1 Receive a PAL black and white signal colour off control unit SCREEN VR 2 Select 2 V C from the SERVICE MENU In HVT 3 Select 2 CUTOFF and 4 Set each value to initial setting value with the 4 7 keys and 5 8 keys 5 Turn the SCREEN VR fully counterclockwise then slowly turn it clockwise to where red blue or green colour is faintly visible bl di 6 Use the 4 7 and 5 8 keys to adjust so that 6 wes enr the other 2 colours appear white 7 Turn the SCREEN VR to where the single horizontal line glows faintly 8 Press the DISPLAY key twice to return to the normal screen COMPONENT WHITE BALANCE 1 Receive a PAL component black and white signal REMOTE CONTROL UNIT colour off 2 Select VIDEO 2 S
10. 4 Do not reuse a chip part after removing it 3 3 2 SOLDERING IRON 1 Use a high insulation soldering iron with a thin pointed end of it 2 A 30w soldering iron is recommended for easily removing parts 3 3 3 REPLACEMENT STEPS 1 How to remove Chip parts 2 How to install Chip parts Resistors capacitors etc Resistors capacitors etc 1 As shown in the figure push the part with tweezers and 1 Apply solder to the pattern as indicated in the figure alternately melt the solder at each end af 2 Grasp the chip part with tweezers and place it on the solder Then heat and melt the solder at both ends of the 2 Shift with the tweezers and remove the chip part chip part Transistors diodes variable resistors etc Transistors diodes variable resistors etc 1 Apply extra solder to each lead m l l 1 Apply solder to the pattern as indicated in the figure 2 Grasp the chip part with tweezers and place it on the SOLDER SOLDER solder 3 First solder lead A as indicated in the figure 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 n 5 4 Then solder leads and NOTE After removing the part remove remaining solder from the pattern 1 12 No YA139 SECTION 4 ADJUSTMENT 4 1 ADJUSTMENT PREPARATION 1 You can make the necessary adjustments for this unit with eithe
11. 4 5MHz Colour Sub Carrier Frequency 4 43MHz PAL 4 40MHz 4 25MHz SECAM 3 58MHz 4 43MHz NTSC Aerial Input Terminal 75Q unbalanced coaxial AC110V AC240V 50Hz 2 Power Consumption 166W 109W Avg Picture Tube A68LZU185X 29 inch aspect ratio 4 3 flat square face type tinted Screen Size Visible size 67 6cm Diagonal 55 4cm x 41 4cm H x V High Voltage 32kV 1 5kV 1 0kV at zero beam current 6 5cm x 13cm Oval type x 2 10W 10W S Video 1 Mini DIN 4 pin x 1 Y 1V p p positive negative sync provided 750 C 0 286V p p Burst signal 750 Video 1 2 3 1V p p negative sync 750 RCA pin jack x 3 Audio 1 2 3 500mV rms AdBs high impedance RCA pin jack x 6 Component RCA pin jack x 3 Video 2 Y 1V p p positive negative sync 750 Cb Cr 0 7V p p 750 Video Audio Output Video 1V p p 750 pin jack x 1 Audio 500mV rms 4dBs Low impedance 400Hz when modulated 100 pin jack x 2 Headphone 3 5mm stereo mini jack x 1 Remote Control Unit RM C1281 2H AA ROG UM 3 battery x 2 Power Input OD Q Audio Output Video Audio Input 1 2 3 Design amp specifications are subject to change without notice 1 2 No YA139 SECTION 1 PRECAUTION SAFETY PRECAUTIONS 1 The design of this product contains special hardware many circuits and components specially for safety purposes For continued protection
12. CE 2 DELAY POINT JUST REFERENCE BELOW REFERENCE TOOLOW 7 PLUG amp PLAY ON 1 7 SELECT DISPLAY EXIT kkkkkkk kkkk kkkkk kkkkk kkkk kkkk kkk kkk DELAY POINT AGC TAKEOVER 2 VIC Setting item SCREEN 8 SHARP TVIVDO1 2 3 CUTOFF B G 9 Y DELAY TV VDO1 2 3 WDR R G B IS DVO BRIGHT TV VDO1 2 3 10 TINT DVD CONT TV VDO1 2 3 TV 11 T SHARP 16 9 VDO16 9 COLOUR TV VDO1 2 3 DVD TINT TV VDO1 2 3 VIC PAL 1 SCREEN WBC BRI 6 STATUS 3 AUDIO Setting item 1 DCXO ADJ 2 NICAM lower ERRLIM 3 NICAM upper ERRLIM 4 A2 ID THR AUDIO STATUS 1 ADJ STATUS EOF NOL VNR kkkkk kkkkkkk COSMIC STATUS kkkkkk k Xk kk kk Kk RK kk KK KK kkkkkkk MENU EQUALIZER DYNAMIC MUSIC NEWS USER 4 DEF 4 3 16 9 DEF FULL Setting item 1 V SHIFT V SHIFT 9 COR LO V SLOPE 10 ANGLE V SIZE 11 BOW H CENT 12 V S CR H SIZE 13 V LIN TRAPEZ 14 V ZOOM EW PIN 15 V SCROLL COR UP ONOAARWN gt 5 VSM W B Setting value Hexadecimal 1 BRIGHT 1 R DRIVE Setting value 2 CONT 2 G DRIVE 3 COLOUR 3 B DRIVE VSM PRESET BRIGHT 1 BRIGHT Sereen size FULL 4 SHARP 5 HUE COMPRESS Fig 1 1 16 No YA139 4 7 ADJUSTMENT PROCEDURE 4 7 1 B1 VOLTAGE measuring Test point A part Description instrument B1 1 VOLTAGE pin 1 pin 1 1 Re
13. ET from the MENU and set 2 VIDEO 2 SET to OOo O 3 Adjust COMPONENT WHITE BALANCE in the 4 5 pou same way as COMPOSITE WHITE BALANCE O i Initial setting value Variable 1 Adjustment Item range COMPOSITE COMPONENT CUTOFF v eN IRA een w opp preasan 63 32 31 TN VIC PAL 1 18 No YA139 Test point Adjustment part instrument WHITE BALANCE High light Signal generator Remote control unit adjustment REMOTE CONTROL UNIT 1 2 3 OOo O G DRIVE 4 RDRVE 4 4 7 8 9 R DRIVE 7 O C Qr s DRIVE SUB BRIGHT Remote 2 V C 5 CONT adjustment control unit SUB CONTRAST adjustment Remote control unit 3 WDR Description Notes Proceed to the following adjustment after having completed the WHITE BALANCE Low light adjustment e Set PICTURE MODE VSM to BRIGHT 1 Receive a PAL black and white signal colour off 2 Select 2 V C from the SERVICE MENU 3 Select 3 WDR R G and B 4 Set each value to initial setting value with the 4 to 9 keys 5 Use the 4 to 9 keys to produce a white screen 6 Press the DISPLAY key twice to return to the normal screen Initial setting Variable Adjustment Item value R 0 63 B 0 63 45 Notes Proceed to the following adjustment afte
14. K FUNCTIONS 5 1 1 OUTLINE This model has self check functions given below When an abnormality has been detected the SUB POWER is turned off and POWER LED flashes to inform of the failure An abnormality is detected by the signal input state of the control line connected to the microcomputer 5 1 2 SELF CHECK ITEMS Check item Details of detection Method of detection State of abnormality B1 over current protection An over current on the low B1 The main microcomputer When an abnormality has been line is detected detects the possible abnormality detected the SUB POWER is CRT neck broken protection Operation of CRT neck at 24 msec intervals and judges turned off While the SUB protection circuit the results in every 16 time Of POWER is being turned off the the 16 times if NG is detected POWER key on the remote more than 9 times it is judged control unit is not operational that there is an abnormality until the power cord is disconnected and connected again 5 1 3 SELF CHECK INDICATING FUNCTION When an abnormality has been detected about 5 seconds after the power was turned on the SUB POWER is turned off After about Detection of immediately and the POWER LED flashes 5 seconds an abnormality Power on Start of Flashing LED Port detection gt SUB POWER OFF INDICATION BY THE POWER LED B1 over current protection CRT neck broken protection No YA139 1 31 1 32 No YA139 JVC V
15. OW 4 DEF PAL H BOW adjustment 11 BOW 1 Receive a PAL crosshatch signal 2 Select 11 BOW 3 Set the initial setting value of 11 BOW 4 Adjust 11 BOW to optimize the horizontal arc distortion NTSC H BOW 1 Receive a NTSC crosshatch signal 2 Make similar adjustment of NTSC H BOW in the same way as for PAL H BOW 3 Press the DISPLAY key twice to return to the normal screen No YA139 1 25 m COMPRESS ON 16 9 V HEIGHT adjustment Screen size V SLOPE adjustment 1 26 No YA139 Signal generator Remote control unit Screen size Vertical amplitude Signal generator Remote control unit PAL V HEIGHT 1 Receive a PAL crosshatch signal of vertical frequency 50Hz 2 Press the MENU key and select PICTURE 3 Select PICTURE FEATURES 4 Select COMPRESS 16 9 and set COMPRESS to ON 5 Select 4 DEF from the SERVICE MENU 6 Set the initial setting value of 14 V ZOOM 7 Select 3 V SIZE 8 Set the initial setting value of 3 V SIZE 9 Adjust 3 V SIZE to set the vertical amplitude of the image to 305mm NTSC V HEIGHT 1 Receive a NTSC crosshatch signal of vertical frequency 60Hz 2 Make similar adjustment of NTSC V HEIGHT in the same way as for PAL V HEIGHT PAL V SLOPE 1 Receive a PAL circle pattern signal of vertical frequency 50Hz 2 Select 4 DEF from the SERVICE MENU 3 Select 2 V
16. T SET are the same as those indicated in Table 1 If the value is different select the setting item with the MENU key and set the correct value with the MENU key 4 Press the DISPLAY key twice to return to the normal Screen 5 Receive channel setting Refer to the OPERATING INSTRUCTIONS and set the receive channels channels preset 6 User setting Check the user setting values in Table 2 and Table 3 If setting value is different set the correct value For setting refer to the OPERATING INSTRUCTIONS 7 Setting of SERVICE MENU Verify the setting for each setting item in the SERVICE MENU See Table 4 If readjustment is necessary perform adjustment referring to ADJUSTMENTS PROCEDURE NAME OF REMOTE CONTROL KEYS DISPLAY BACK SERVICE MENU SERVICE MENU 1 IF 2 VIC 3 AUDIO 4 DEF 5 VSM WIB 6 S TATUS 7 PLUG amp PLAY ON 1 7 SELECT DISPLAY EXIT kkkkkkk kkkk kkkkk kkkkk kkkk kkkk kkk kkk Fig 1 SYSTEM CONSTANT 1 SYSTEM CONSTANT SET 1 SYSTEM MULTI COMB YES TILT SUPER BASS TEXT LANGUAGE 4 SEL 4 OPE DISP EXIT SYSTEM CONSTANT 2 SYSTEM CONSTANT SET 2 SOUND STEREO BILINGUAL NO BLUE BACK MUTE NO COLOUR AUTO NO ECO SENSOR YES 4 SEL 4 OPE DISP EXIT SYSTEM CONSTANT 3 SYSTEM CONSTANT SET3 SURROUND YES PICTURE BOOSTER NO COMPONENT PIP S INPUT 4 SEL 4 OPE DISP EXIT Fig 2 No YA139 1 9 3 2 3 FACTOR
17. UND No YA139 1 3 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 21 FEATURES New chassis design enables use of an interactive on screen control Pure flat CRT produces fine textured picture in every detail Wide range voltage 110V 240V for AC power input With AUDIO VIDEO S VIDEO COMPONENT input terminals 2 bus control utilizes single chip ICs By means of AUTO PROGRAM the TV stations can be selected automatically and the TV channels can also be rearranged automatically Built in DIGITAL ECO MODE ECONOMY In accordance with the brightness in a room the brightness and or contrast of the picture can be adjusted automatically to make the optimum picture which is easy on the eye Built in OFF TIMER amp RETURN 22 FUNCTIONS m REMOTE CONTROL UNIT RM C1281 2H 1 SOUND SYSTEM key 47 Not used 2 COLOUR SYSTEM key ECO key 3 FAVORITE CHANNEL keys POWER key 4 DISPLAY BACK key 69 TV VIDEO key 5 MENU Ok key 24 MENU a v 4 gt keys 6 Not used 2 MUTING key 7 SOUND TURBO key 23 Number keys PICTURE MODE key 04 key 7 8 9 9 SOUND setting key 69 VOLUME keys OFF TIMER key 26 Not used CIA an li 41 RETURN key 67 Not used 26 42 CHANNEL keys Not used GU feo HE De 43 used 29 Not used 47 Not used 80 Not used 48 TT 45 Not used 64 CINEMA SURROUND key Not used gt 1 4 No
18. Y SETTING VALUE SETTING OF SYSTEM CONSTANT SET Setting item Setting content Setting value Table 1 1 10 No YA139 m SETTING OF BASIC FUNCTIONS POWER JW _ SOUND SYSTEM B G PICTURE MODE VSM BRIGHT FF OFF TIMER OFF STEREO MODE STEREO CHANNEL POSITION PR1 Table 2 m SETTING OF MENU SCREEN Setting item Setting value COMPRESS 16 9 OFF PICTURE TILT AUTO SHUTOFF CHILD LOCK OFF u TINT Table 3 m SERVICE MENU SETTING ITEMS Setting item Setting value 1 IF 1 VCO 2 DELAY POINT 1 SCREEN 2 CUTOFF B G 3 WDR R G B 4 BRIGHT TV VDO 1 2 3 5 CONT TV VDO 1 2 3 TV 16 9 VDO 16 9 6 COLOUR TV VDO1 2 3 DVD 7 TINT TV VDO 1 2 3 8 SHARP Do not adjust 9 Y DELAY Do not adjust 10 TINT DVD Do not adjust 11 AMP T SHARP ADJ NICAM lower ERRLIM NICAM upper ERRLIM A2 ID THR MENU EQUALIZER V SHIFT V SLOPE V SIZE H CENT H SIZE TRAPEZ EW PIN 3 AUDIO Do not adjust oco xoonrowm2 nsomwmza 5 VSM W B BRIGHT STANDARD SOFT BRIGHT CONT COLOUR SHARP HUE R DRIVE G DRIVE COOL WARM NORMAL 6 STATUS Display only 7 PLUG amp PLAY ON Display only No YA139 1 11 3 3 REPLACEMENT OF CHIP COMPONENT 3 3 1 CAUTIONS 1 Avoid heating for more than 3 seconds 2 Do not rub the electrodes and the resist parts of the pattern 3 When removing a chip part melt the solder adequately
19. ah ERVICE MANUAL FLAT COLOUR TELEVISION AV 29V514 BASIC CHASSIS NNNNNNNNNNN AAA NNNNNNNNNNN PRECAUTION saarinen pan GRE ERROR hen eae eed qn d ex Pa S EROR acad dari ard d 1 3 SPECIFIC SERVICE INSTRUCTIONS gor E agre Sade REA Kaka aca xe n 1 4 DISASSEMBLY CRUCE dx i rad Pei a dd dia o d even et 1 7 ADJUSTMENT CAES se eee eee ore CR mn 1 13 TROUBLESHOOTING 5 5 3 Cn 005504 EH CE Bee SEE Re oe FO d enne 1 31 COPYRIGHT 2004 Victor Company of Japan Limited No YA139 2004 9 Contents Dimensions W x H x D 81 2cm x 58 4cm x 52 0cm Mass 41kg TV RF System D Colour System TV Mode PAL SECAM NTSC3 58 NTSC4 43 Video Mode PAL SECAM NTSC3 58 NTSC4 43 Stereo System A2 B G B D K VHF Low 46 25MHz 168 25MHz AU0 510 VHF High 175 25MHz 463 25MHz E5 S41 UHF 471 25MHz 863 25MHz E21 CHINA 57 Mid X Z 51 510 Super S11 S20 Hyper 521 541 VIF 38 0MHz SIF D K 31 5MHz 6 5MHz NICAM 32 15MHz 5 85MHz 32 0MHz 6 0MHz NICAM 31 45MHz 6 55MHz B G 32 5MHz 5 5MHz Receiving Frequency Intermediate Frequency A2 32 26MHz 5 74MHz NICAM 32 15MHz 5 85MHz 33 5MHz
20. arrow F as shown in Fig 2 the control base can be removed If necessary take off the wire connectors etc 3 1 5 REMOVING THE SPEAKER Remove the REAR COVER 1 Remove the 2 screws G as shown in Fig 1 2 Withdraw the SPEAKER backward 3 Follow the same steps when removing the other hand SPEAKER 3 1 6 CHECKING THE MAIN PW BOARD To check the back side of the MAIN PWB 1 Pull out the CHASSIS and CONTROL BASE Refer to the procedure described in REMOVING THE CHASSIS 2 Put the CHASSIS in upright position with the MAIN PWB s solderside faced to the right The FBT must be positioned on top Viewed from the rear 3 Put the CONTROL PWBs an appropriate position taking care not giving tension to the ribbon cables that connect to the MAIN PWB CAUTIONS Use insulating materials if necessary to avoid possible electrical contacts between PWBs and expose terminals etc Before turning on power make sure that the CRT earth wire and other connectors are properly connected When repairing connect the DEG COIL to the DEG con nector on the MAIN PWB 3 1 7 WIRE CLAMPING AND CABLE TYING 1 Be sure to clamp the wire 2 Never remove the cable tie used for tying the wires together Should it be inadvertently removed be sure to tie the wires with a new cable tie No YA139 1 7 Fig 2 FRONT SIDE CONTROLBASE E FRONT CONTROL PWB 2 2 SPEAKER CRT Z A Z
21. ceive a black and white signal check GND n 5 2 Connect a DC voltmeter between B1 and GND CNOOX between pins 1 and 5 of the connector CNOOX DC voltmeter connector in 3 Make sure that the voltage is DC134 5V 2V MAIN PWB 4 7 2 FOCUS ADJUSTMENT Test point Adjustment part Description instrument FOCUS Notes adjustment Set PICTURE MODE VSM to BRIGHT The final adjustment of CONVERGENCE must be done after the FOCUS adjustment CONVERGENCE is affected by the FOCUS adjustment If any aeviationin CONVERGENCE is found PURITY must be adjusted to restore the convergence 1 Receive a crosshatch signal 2 Adjust the FOCUS VR so that the vertical and horizontal lines will be clear and in fine detail on the screen 3 Make sure that the picture is in focus even when the screen gets darkened 4 7 3 IF CIRCUIT ADJUSTMENTS Test point Adjustment part Description instrument IF IFVCO Remote IF Note check control unit 1 VCO CW Under normal conditions no adjustment is required 1 Receive a broadcast signal 2 Select 1 IF from the SERVICE MENU 3 Select 1 VCO SO aii 4 Check the characters colour of the JUST ABOVE REFERENCE REFERENCE displayed to yellow JUST REFERENCE YELLOW 5 Press the DISPLAY key three times to return to BELOW REFERENCE 100 LOW normal screen DISPLAY EXIT VCO CW MHz Receiving frequency DELAY POINT Remote 1 IF 1 AGC
22. control unit 2 DELAY POINT 2 TAKE OVER 3 Select 2 DELAY POINT 4 Receive a black and white broadcast signal colour off Select 1 IF from the SERVICE MENU adjustment Adjust in order to eliminate any noise or beat from the image Any increase above the initial value Initial setting value produces the noise and any decrease below it Adjustment item NTSC 3 58 OTHERS produces the beat VHF UHF VHF UHF 5 Press the DISPLAY key three times to return to the TETTES T EG 6 Turn to other channels and make sure that there are no irregularities No YA139 1 17 4 7 4 VIDEO CIRCUIT ADJUSTMENTS e The setting adjustment using the remote control unit is made on the basis of the initial setting values e The setting values which adjust the screen to the optimum condition can be different from the initial setting values Do not change the initial setting values of js setting adjustment items not listed in ADJUSTMENT PROCEDURE e The initial setting values in parenthesis are fixed offset values needing no further adjustment Initial setting value Adjustment item Variable range ue I PAR SECAM NTSC3 58 NTSC4 43 SEE TSCREEN BN 2 CUTOFF y 0 6 2 33 M M f men enen 3 WDR R 0 63 32 33 32 32 32 2 9 B 0 63 32 81 0 63 32 31 39 39 B 3 VIDEO COMPOSITES 3
23. ect the W B preset for WARM and NORMAL SUB MENU 5 VSM W B respectively 8 Press the DISPLAY key twice to return to the VSM PRESET BRIGHT normal screen Setting Values for SUB 5 VSM W B BRIGHT STANDARD SOFT Setting item 2 3 COLOUR 4 SHARP WIB preset COOL NORMAL WARM Setting item RODE 0 2 MO f ool UEM NEN NE CN 3 B DRIVE 1 BRIGHT kkk 1 28 No YA139 4 7 8 PURITY AND CONVERGENCE B PURITY ADJUSTMENT Note The final adjustment of CONVERGENCE must be done after the FOCUS adjustment CONVERGENCE is changed by uon FOCUS adjustment When makes difference by FOCUS adjustment should be reconfirming PURITY adjustment 1 Demagnetize CRT with the demagnetizer P C 2 Loosen the retainer screw of the deflection yoke MAGNETS 3 Remove the wedges P C MAGNETS PURITY MAGNET 4 4 POLES convergence magnets 4 Input a green raster signal from the signal generator and 6 6 POLES convergence magnets turn the screen to green raster 5 Move the deflection yoke backward 6 Bring the long lug of the purity magnets on the short lug and position them horizontally Fig 2 PURITY MAGNETS Long lug 7 Adjust the gap between two lugs so that the GREEN RASTER will come into the centre of the screen Fig 3 8 Move the deflection yoke forward and fix the position of the Short lug deflection yoke so that the whole screen will bec
24. ed to the following adjustment after having completed the SUB CONTRAST adjustment e Set PICTURE MODE VSM to BRIGHT Remote control unit NTSC 3 58 TINT 1 Receive a NTSC 3 58 colour bar signal full field colour bar 75 white 2 Press the COLOUR SYSTEM key to select the NTSC 3 58 colour system 3 Select 2 V C from the SERVICE MENU 4 Select 7 TINT 5 Set the initial setting value of NTSC 3 58 6 Connect the oscilloscope between TP 47G and TP E 7 Adjust NTSC 3 58 TINT to set the value B in the figure to 8V 8 Press the DISPLAY key twice to return to the normal screen NTSC 4 43 TINT When adjustment is done for NTSC 3 58 TINT appropriate values are automatically set for NTSC 4 43 TINT 4 7 5 AUDIO SETTING This submenu is for display only no adjustment is required Function mm Setting value AUDIO For 4 A2 ID THR OOH Funcio toor 300Hz mhz 3kHz az new f 9 UsR pf 9 o 9 9 o No YA139 1 21 4 7 6 DEFLECTION CIRCUIT ADJUSTMENTS e The setting adjustment using the remote control unit is made on the basis of the initial setting values e The setting values which adjust the screen to the optimum condition can be different from the initial setting values When performing deflection circuit adjustment adjusts PAL signal fv 50 Hz in 4 3 mode and 16 9 mode respectively and adjust the NTSC signal fv 60 Hz similarly
25. empting meter connection by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kQ 2W resistor to the anode button 8 When service is required observe the original lead dress Extra precaution should be given to assure correct lead dress in the high voltage circuit area Where a short circuit has occurred those components that indicate evidence of overheating should be replaced Always use the manufacturer s replacement components 9 Isolation Check Safety for Electrical Shock Hazard After re assembling the product always perform an isolation check on the exposed metal parts of the cabinet antenna terminals video audio input and output terminals Control knobs metal cabinet screw heads earphone jack control shafts etc to be sure the product is safe to operate without danger of electrical shock a Dielectric Strength Test The isolation between the AC primary circuit and all metal parts exposed to the user particularly any exposed metal part having a return path to the chassis should withstand a voltage of 3000V AC r m s for a period of one second Withstand a voltage of 1100V AC r m s to an appliance rated up to 120V and 3000V AC r m s to an appliance rated 200V or more for a period of one second This method of test requires a test equipment not generally found in the service trade b Leakage Current Check Plug the AC line cord directly into the AC
26. ence of the GND is shown by the LIVE 1 side GND the ISOLATED NEUTRAL side GND EARTH 9 side GND Don t short between the LIVE side GND and ISOLATED NEUTRAL side GND or EARTH side GND and never measure the LIVE side GND and ISOLATED NEUTRAL side GND or EARTH side GND at the same time with a measuring apparatus oscilloscope etc If above note will not be kept a fuse or any parts will be broken 5 If any repair has been made to the chassis it is recommended that the B1 setting should be checked or adjusted See B1 POWER SUPPLY check 6 The high voltage applied to the picture tube must conform with that specified in Service manual Excessive high voltage can cause an increase in X Ray emission arcing and possible component damage therefore operation under excessive high voltage conditions should be kept to a minimum or should be prevented If severe arcing occurs remove the AC power immediately and determine the cause by visual inspection incorrect installation cracked or melted high voltage harness poor soldering etc To maintain the proper minimum level of soft X Ray emission components in the high voltage circuitry including the picture tube must be the exact replacements 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 att
27. evel detection 1 8V Digital 1 8V Key scan data Video DE T input Digital GND EU S Video DET input GTVA reset 1 8V Digital GND External interrupt I2C bus data for memory SCLO EAR I2C bus clock for memory SECTION 3 DISASSEMBLY 3 1 DISASSEMBLY PROCEDURE 3 1 1 REMOVING THE REAR COVER Unplug the power cord 1 Remove the 16 screws A as shown in Fig 1 2 Withdraw the REAR COVER toward you CAUTION When reinstalling the rear cover carefully push it inward after inserting the MAIN PWB into the REAR COVER groove 3 1 2 REMOVING THE CHASSIS CHASSIS BASE AND CONTROL BASE Remove the REAR COVER 1 Slightly raise the both sides of the CHASSIS by hand and remove the 2 claws B under the CHASSIS from the front cabinet as shown in Fig 1 2 Withdraw the CHASSIS backward If necessary take off the wire clamp connectors etc NOTE When conducting a check with power supplied be sure to confirm that the CRT earth wire is connected to the CRT SOCKET PWB and the MAIN PWB 3 1 3 REMOVING THE AV TERMINAL BOARD e Remove the REAR COVER 1 Remove the 4 screws C as shown in Fig 1 2 When you pull out the AV TERMINAL BOARD in the direction of arrow D as shown in Fig 1 it can be removed 3 1 4 REMOVING THE CONTROL BASE Remove the REAR COVER e Remove the CHASSIS 1 While pushing down the 2 claws E as shown in Fig 2 and pull out the CONTROL BASE in the direction of
28. ez GND GND 1 8V Digital 3 3V 3 3V Positive GND KI 3 3V Negative GND 3 3V Positive 24 567MHz for system clock 24 567 for system clock GND KI V guard input I O switch ER 1 8V regulator control Phase 2 filter Phase 1 filter GND RD SCAMPI decou Bmesmdecoming U O Eastwest arive oup O vericaldrve Boud Verica ave output Video IF input 1 Video IF input 2 Vertical sawtooth capacitor GND Sound IF input 1 Sound IF input 2 Tuner AGC output EHT overvoltage protection input Automatic Volume Levelling sound IF input subcarrier reference output external reference signal input for signal mixer for DVB operation Audio L3 input left signal Audio R3 input right signal Audio L output Audio R output Decoupling sound demodulator QSS intercarrier output AM output deemphasis front end audio out IF PLL loop filter AGC sound IF Not used Not used 8V 5V Video output Audio L1 input Audio R1 input Not used Not used Video 2 input Audio R2 input right signal S Video Y1 input S Video C1 input Audio L output for audio power amplifier E Audio R output for audio power amplifier Headphone L HER 73 SPR HeadphomR 1 6 No YA139 CU NG 6 JovesoMP 0 CVBS PIP output 65 Scan velocity modulation output 66 FbiSo 1 Flyback inp
29. ictor Company of Japan Limited AV amp MULTIMEDIA COMPANY VIDEO DISPLAY CATEGORY 12 3 chome Moriya cho kanagawa ku Yokohama kanagawa prefecture 221 8528 Japan No YA139 Ve Printed in Japan WPC
30. ignal 2 Select 12 V S CR 3 Set the initial setting value of 12 V S CR 4 Select 13 V LIN 5 Set the initial setting value of 13 V LIN 6 Adjust 12 V S CR and 13 V LIN so that the spaces of each line on TOP CENTRE and BOTTOM become uniform NTSC V LINEARITY CENTRE 1 Receive a NTSC crosshatch signal 2 Make similar adjustment of 5 CR the same way as for PAL V S CR BOTTOM 1 24 No YA139 Test point Adjustment part Description instrument CORNER PIN Signal PAL CORNER PIN adjustment generator 1 Receive a PAL crosshatch signal 2 Select 8 COR UP Remote 3 Set the initial setting value of 8 COR UP control unit 4 Select 9 COR LO 5 Set the initial setting value of 9 COR LO 6 Adjust 8 COR UP and 9 COR LO so that the vertical lines at the four corners on the screen are straight NTSC CORNER PIN 1 Receive a NTSC crosshatch signal 2 Make similar adjustment of NTSC CORNER in the same way as for PAL CORNER Straigt N 7 4 7 H PARALLEL PAL H PARALLEL adjustment 1 Receive a PAL crosshatch signal 2 Select 10 ANGLE 3 Set the initial setting value of 10 ANGLE 4 Adjust 10 ANGLE to optimize the trapezium distortion at the centre of the screen NTSC H PARALLEL 1 Receive a NTSC crosshatch signal 2 Make similar adjustment of NTSC H PARALLEL in the same way as for PAL H PARALLEL H B
31. ive a PAL crosshatch signal 2 Select 5 H SIZE Remote 3 Set the initial setting value of 5 H SIZE control unit 4 Adjust 5 H SIZE to make the horizontal screen size to 91 of the picture size NTSC H WIDTH 1 Receive a NTSC crosshatch signal 2 Make similar adjustment of NTSC H WIDTH in the same way as for PAL H WIDTH Screen size 91 Picture size 100 No YA139 1 23 veasunng Test point Adjustment part Description instrument SIDE PIN Signal PALSIDEPIN adjustment generator 1 Receive a PAL crosshatch signal 2 Select 7 EW PIN Remote 3 Set the initial setting value of 7 EW PIN control unit 4 Adjust 7 EW PIN so that the first vertical lines at the left and right edges on the screen are straight NTSC SIDE PIN 1 Receive a NTSC crosshatch signal 2 Make similar adjustment of NTSC SIDE PIN in the same way as for PAL SIDE PIN TRAPEZIUM i PAL TRAPEZIUM adjustment 1 Receive PAL crosshatch signal 2 Select 6 TRAPEZ 3 Set the initial setting value of 6 TRAPEZ 4 Adjust 6 TRAPEZ so that the vertical lines at the left and right edges on the screen are in parallel NTSC TRAPEZIUM ee P E ES 1 Receive a NTSC crosshatch signal Pale 2 Make similar adjustment of TRAPEZIUM the same way as for PAL TRAPEZIUM V LINEARITY PAL LINEARITY adjustment V S 1 Receive a PAL crosshatch s
32. no changes should be made to the original design unless authorized in writing by the manufacturer Replacement parts must be identical to those used in the original circuits Service should be performed by qualified personnel only 2 Alterations of the design or circuitry of the products should not be made Any design alterations or additions will void the manufacturer s warranty and will further relieve the manufacturer of responsibility for personal injury or property damage resulting therefrom 3 Many electrical and mechanical parts in the products have special safety related characteristics These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage wattage etc Replacement parts which have these special safety characteristics are identified in the parts list of Service manual Electrical components having such features are identified by shading on the schematics and by on the parts list in Service manual The use of a substitute replacement which does not have the same safety characteristics as the recommended replacement part shown in the parts list of Service manual may cause shock fire or other hazards 4 Don t short between the LIVE side ground and ISOLATED NEUTRAL side ground or EARTH side ground when repairing Some model s power circuit is partly different in the GND The differ
33. ome green Bring the long lug over the short lug and position them horizontally Fig 2 9 Insert the wedge to the top side of the deflection yoke so that it will not move 10 Input a crosshatch signal FRONT VIEW _ GREEN RASTER 11 Verify that the screen is horizontal 12 Input red and blue raster signals and make sure that purity is properly adjusted CENTRE Fig 3 No YA139 1 29 m STATIC CONVERGENCE ADJUSTMENT 1 Input a crosshatch signal 2 Using 4 pole convergence magnets overlap the red and blue lines in the centre of the screen Fig 1 and turn them FRONT VIEW to magenta red blue 3 Using 6 pole convergence magnets overlap the magenta red blue and green lines in the centre of the screen and turn them to white 4 Repeat 2 and 3 above and make best convergence FRONT VIEW RED GREEN BLUE m DYNAMIC CONVERGENCE ADJUSTMENT 1 Move the deflection yoke up and down and overlap the lines in the periphery Fig 2 2 Move the deflection yoke left to right and overlap the lines in the periphery Fig 3 BLUE SCREEN RED Fig 2 3 Repeat 1 and 2 above and make best convergence FRONT VIEW 4 Adjust XV by XV coil Fig 4 JEG y er 9 GREEN BLUE e After adjustment fix the wedge at the original position Fasten the retainer screw of the deflection yoke Fix the P C magnets with glue FRONT VIEW 1 30 No YA139 SECTION 5 TROUBLESHOOTING 5 1 SELF CHEC
34. r having completed the WHITE BALANCE Low light and WHITE BALANCE High light adjustment e Set PICTURE MODE VSM to BRIGHT 1 Receive a broadcast 2 Select 2 V C from the SERVICE MENU 3 Select 4 BRIGHT 4 Set the initial setting value 5 If the brightness is not best with the initial setting value make fine adjustment until you get the best brightness 6 Press the DISPLAY key twice to return to the normal screen Notes Proceed to the following adjustment after having completed the SUB BRIGHT adjustment Set PICTURE MODE VSM to BRIGHT 1 Receive a broadcast 2 Select 2 V C from the SERVICE MENU 3 Select 5 CONT 4 Set the initial setting value 5 If the contrast is not best with the initial setting value make fine adjustment until you get the best contrast 6 Press the DISPLAY key twice to return to the normal screen No YA139 1 19 SUB COLOUR 1 Remote Method of adjustment without measuring instrument adjustment control unit Notes Proceed to the following adjustment after having completed the SUB CONTRAST adjustment e Set PICTURE MODE VSM to BRIGHT PAL COLOUR 1 Receive a PAL broadcast Select 2 V C from the SERVICE MENU Select 6 COLOUR Set the initial setting value for PAL COLOUR If the colour is not best with the initial setting value adjust until you get the best colour 6 Press the DISPLAY key twice to return to the normal screen
35. r the remote control unit or with the adjustment equipment and parts as given below 2 Adjustment with the remote control unit is made on the basis of the initial setting values however the new setting values used for setting the screen to its optimum condition may differ from the initial settings 3 Make sure that AC power is turned on correctly 4 Turn on the power for the set and test equipment before use and start the adjustment procedures after waiting at least 30 minutes 5 Unless otherwise specified prepare the most suitable reception or input signal for adjustment 6 Never touch any adjustment parts which are not specified in the list for this variable resistors transformers trimmer capacitors etc 4 2 PRESETTING BEFORE ADJUSTMENT Unless otherwise specified in the adjustment instructions preset the following functions with the remote control unit E User mode setting position BALANCE SOUND TURBO COMPRESS 43 MEASURING INSTRUMENT AND FIXTURES 1 DC voltmeter or Digital voltmeter 2 Oscilloscope 3 Signal generator Pattern generator PAL SECAM NTSC 4 Remote control unit 44 ADJUSTMENT ITEMS B B1 VOLTAGE B FOCUS ADJUSTMENT B IF CIRCUIT ADJUSTMENTS e IF VCO adjustment DELAY POINT AGC TAKE OVER adjustment m VIDEO CIRCUIT ADJUSTMENTS WHITE BALANCE Low light adjustment WHITE BALANCE High light adjustment SUB BRIGHT adjustment SUB CONTRAST adjus
36. rious settings adjustments can be made and they are broadly classified in the following items of settings For entering adjusting the setting values adjustment values of the IF circuit 2 VIC For entering adjusting the setting values adjustment values of the VIDEO circuit 3 AUDIO For entering adjusting the setting values adjustment values of the AUDIO circuit 4 DEF For entering adjusting the setting values adjustment values of the DEFLECTION circuit 5 VSM W B For setting the values of STANDARD SOFT BRIGHT and COOL NORMAL WARM 6 STATUS This is not used for service 7 PLUG amp PLAY ON This is not used for service 4 6 2 BASIC OPERATION IN SERVICE MENU 1 HOW TO ENTER SERVICE MENU Press the DISPLAY key and the PICTURE MODE key on the remote control unit simultaneously The SERVICE MENU screen will be displayed See Fig 1 on the next page 2 SELECTION OF SUB MENU SCREEN Press one of the keys 1 to 6 on the remote control unit and select the SUB MENU SCREEN from the SERVICE MENU See Fig 1 on the next page SERVICE MENU SUB MENU 1 IF VSM W B 2 VIC 6 STATUS 3 AUDIO 7 PLUG amp PLAY ON 4 DEF 3 METHOD OF SETTING NOTES Once the setting values are set they are memorized automatically It must not be adjusted without inputting a signal 1 1 IF 1 VCO Under normal conditions no adjustment is required a 1 key Select 1 IF b 1 key Select 1 VCO c
37. stment generator V 1 Receive a PAL circle pattern signal of vertical frequency 50Hz Select 1 V SHIFT Set the initial setting value of 1 V SHIFT Remote 2 3 4 Adjust 1 V SHIFT to make A B NT 1 control unit SC V POSITION Receive a NTSC circle pattern signal of vertical frequency 60Hz 2 Make similar adjustment of NTSC V POSITION in the same way as for PAL V POSITION 1 22 No YA139 Test point Adjustment part Description instrument V HEIGHT Signal PAL V HEIGHT adjustment generator 1 Receive a PAL crosshatch signal 2 Select 3 V SIZE Remote 3 Set the initial setting value of 3 V SIZE control unit 4 Select 14 V ZOOM 5 Set the initial setting value of 14 V ZOOM 6 Adjust 14 V ZOOM to make the vertical screen size to 92 of the picture size Seen 3 NTSC V HEIGHT size sive 1 Receive a NTSC crosshatch signal 92 100 2 Make similar adjustment of NTSC V HEIGHT in the same way as for PAL V HEIGHT H POSITION i PAL H POSITION adjustment 1 Receive a PAL circle pattern signal 2 Select 4 H CENT 3 Set the initial setting value of 4 H CENT 4 Adjust 4 H CENT to make C D NTSC H POSITION 1 Receive a NTSC circle pattern signal 2 Make similar adjustment of NTSC H POSITION in the same way as for PAL H POSITION H WIDTH Signal 4 DEF PAL H WIDTH adjustment generator 5 H SIZE 1 Rece
38. tment SUB COLOUR 1 adjustment SUB COLOUR 2 adjustment SUB TINT 1 adjustment SUB TINT 2 adjustment m AUDIO SETTING B DEFLECTION CIRCUIT ADJUSTMENTS e V SLOPE adjustment V POSITION adjustment e V HEIGHT adjustment H POSITION adjustment H WIDTH adjustment SIDE PIN adjustment e TRAPEZIUM adjustment e V S CURVE adjustment e CORNER adjustment e H PARALLEL adjustment H BOW adjustment VSM PRESET SETTING B PURITY AND CONVERGENCE ADJUSTMENTS PURITY adjustment e STATIC CONVERGENCE adjustment e DYNAMIC CONVERGENCE adjustment No YA139 1 13 45 ADJUSTMENT LOCATIONS FRONT CONTROL PWB ASS Y 1 2 FRONT CONTROL PWB ASS Y 2 2 SPEAKER L SPEAKER R FRONT 5805 5801 5803 5804 5806 5802 9 O lt r POWER I CORD lt DEG COIL MEN MAIN PWB ASS Y I FRONT ET CN001 awali IC702 1 BE 8 PS ZO IC701 i EM E s DEF YOKE I I I I I I l i I I GND B1 i J805 J801 J802 J803 J804 iii ee i TU001 FOCUS i LOWER SCREEN MNT RP I CRT SOCKET PWB ASS Y SOLDER SIDE l I I I I I I CRT EARTH BRAIDED ASS Y CRT EARTH Ke BRAIDED ASS Y 1 14 No YA139 46 BASIC OPERATION SERVICE MENU Operate the SERVICE MENU with the remote control unit 4 6 1 SERVICE MENU ITEMS With the SERVICE MENU va
39. unit 4 Select 9 COR LO 5 Set the initial setting value of 9 COR LO 6 Adjust 8 COR UP and 9 COR LO so that the vertical lines at the four corners on the screen are straight NTSC CORNER PIN 1 Receive a NTSC crosshatch signal 2 Make similar adjustment of NTSC CORNER in the same way as for PAL CORNER 3 Press the DISPLAY key twice to return to the normal screen No YA139 1 27 B VIDEO 2 SET COMPONENT Test point Adjustment part Description instrument H POSITION Signal Receive a PAL circle pattern signal to 1 Receive a PAL circle pattern signal to VIDEO 2 adjustment generator terminal 2 Select VIDEO 2 SET from the MENU and set Remote VIDEO 2 SET to COMPONENT control unit 3 Select 4 DEF from the SERVICE MENU 4 Select 4 H CENT 5 Set the initial setting value of 4 H CENT 6 Adjust 4 H CENT to make C D Press the DISPLAY key twice to return to the normal screen 4 7 7 VSM PRESET SETTING measuring Test point Adjustment part Description instrument Remote 5 VSM W B 1 Select 5 VSM WIB from the SERVICE MENU control unit 1 BRIGHT 2 Select BRIGHT with the MENU OK key 2 CONT 3 Set the value of 1 BRIGHT 5 HUE to the values shown in the table 4 Respectively select the VSM PRESET mode for SOFT and STANDARD 5 Select COOL with the MENU OK key 6 Set the values of 1 R DRIVE 3 B DRIVE to the value shown in the table 7 Sel
40. ut sandcastle output Hout VssComb V5Comb Vin R2 Pr Uin B2 Pb Yin G2 Y Yout Uout INSSW2 76 NC INSSW3 R3 Pr G3 Y B3 Pb Gnd3 V5P3 BCL Bout V3 3A1 RefAdN V3 3RefAdP RefAd GndA V1 8A V3 3A2 VssADC V1 8ADC REMOTE PW_LED P11 TO V1 8C2 VssC2 COMPONENT PIP GND 5V PIP R input PIP B input Horizontal output Not used prema oo vem va Not used Not used EH YUV insertion input EH YUV insertion input EZ Component PR input Video 2 Eg Component Y input Video 2 Component PB input Video 2 GND I BOLT Beam current initerinpat 9 fen E 5 mu 0 3 Gu 9 Bu OjBmpt Bx Black current input R output G output 3 3V GND 3 3V Positive 3 3 2V GND 1 8V 3 3V GND 1 8V Remote control POWER LED control KI POWER LED control 1 8V GND Not used COMB_SW_NT3 5 OTHER Not used VER_PROTECT S_REDUCE P00 I2SDI1 POWER SCL1 SDA1 V3 3P ROTATION 112 3 58 OTHER A MUTE 4 5 OTHER PROT ECO IN V1 8C1 DecV1V8 KEY IN VDO DET VSSC1 P1 P24 PWM3 P25 PWM4 V1 8C3 VssC3 P12 Int2 SDAO Sound control Not used SUB POWER control I2C bus clock I2C bus clock 3 3V BI oponon pen NTSC 3 58 detection Audio muting 4 43 detection Protect KI ECO sensor l

JVC AV-29V514/B User's Manual

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