JVC AV-29V514/B - Manuals - manualsarea.com

Page 2 - SPECIFICATION; Items

1-2 (No.YA139) SPECIFICATION Design & specifications are subject to change without notice. Items Contents Dimensions (W × H × D) 81.2cm × 58.4cm × 52.0cm Mass 41kg TV RF System B, G, I, D, K, M Colour System TV Mode Video Mode PAL / SECAM / NTSC3.58 / NTSC4.43PAL / SECAM / NTSC3.58 / NTSC4.43 St...

Page 4 - FEATURES; C bus control utilizes single chip ICs.; FUNCTIONS

1-4 (No.YA139) SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 2.1 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 ter...

Page 5 - VIDEO-1 INPUT TERMINAL

(No.YA139)1-5 FRONT PANEL CONTROLS REAR TERMINAL IN (VIDEO-3) V R MENU OK L/MONO CHANNEL VOLUME TV/VIDEO EXIT POWER 4 3 2 1 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 HEADPHONE jack IN (VIDEO-3) : VIDEO IN (VIDEO-3) : AUDIO L/MONO IN (VIDEO-3) : AUDIO R MENU (OK) button CHANNEL (-/+) buttons ...

Page 7 - DISASSEMBLY PROCEDURE

(No.YA139)1-7 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 afterinserting the MAIN PWB...

Page 9 - SERVICE MENU

(No.YA139)1-9 3.2 REPLACEMENT OF MEMORY IC 3.2.1 MEMORY IC This TV uses the following memory IC. Memory IC: IC702 on MAIN PWB The memory IC memorizes data for correctly operating the videoand deflection circuits. When replacing the memory IC, be sureto use the same type IC written with the initial v...

Page 10 - MULTI

1-10 (No.YA139) 3.2.3 FACTORY SETTING VALUE SETTING OF SYSTEM CONSTANT SET Table 1 SYSTEM MULTI COMB YES TILT YES NO SUPER BASS TEXT NO LANGUAGE E/T SOUND STEREO BILINGUAL NO BLUE BACK MUTE NO COLOUR AUTO NO ECO SENSOR YES SURROUND YES PICTURE BOOSTER NO COMPONENT YES PIP NO S INPUT YES Setting it...

Page 12 - REPLACEMENT OF CHIP COMPONENT; alternately melt the solder at each end.; How to install Chip parts; (2) Grasp the chip part with tweezers and place it on the

1-12 (No.YA139) 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. (4) Do not reuse a chip part after removing it. 3.3.2 SOLDERING IRO...

Page 14 - ADJUSTMENT LOCATIONS; CRT SOCKET PWB ASS’Y; MAIN PWB ASS’Y; GND

1-14 (No.YA139) 4.5 ADJUSTMENT LOCATIONS E1 TOP CRT EARTH (BRAIDED ASS'Y) CRT EARTH (BRAIDED ASS'Y) U TP-47B TP-47G TP-47R E2 HV I 2 C UPPER : FOCUS IC702 CRT SOCKET PWB ASS’Y (SOLDER SIDE) T 1 8 1 6 FRONT FRONT FRONT POWERCORD SPEAKER (L) DEG COIL HVT MAIN PWB ASS’Y FRONT CONTROL PWB ASS’Y (1/2) FR...

Page 16 - Setting value

1-16 (No.YA139) 4.6.3 SERVICE MENU FLOW CHART Fig.1 1. IF SERVICE MENU 1. VCO2. DELAY POINT IF SERVICE MENU VCO (CW) ***** MHz TOO HIGHABOVE REFERENCEJUST REFERENCEBELOW REFERENCETOO LOW DELAY POINT AGC TAKEOVER ** 2. V/C Setting item 1. SCREEN 2. CUTOFF (B/G) 3. WDR (R/G/B) 4. BRIGHT (TV/VDO1/2/3) ...

Page 17 - Initial setting value

(No.YA139)1-17 4.7 ADJUSTMENT PROCEDURE 4.7.1 B1 VOLTAGE 4.7.2 FOCUS ADJUSTMENT 4.7.3 IF CIRCUIT ADJUSTMENTS Item Measuring instrument Test point Adjustment part Description B1 VOLTAGEcheck Signal generator DC voltmeter B1 (pin 1)GND (pin 5)[CN00X connector in MAIN PWB] (1) Receive a black and white...

Page 18 - Adjustment Item

1-18 (No.YA139) 4.7.4 VIDEO CIRCUIT ADJUSTMENTS • 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.• Do not change the initi...

Page 25 - Straigt

(No.YA139)1-25 CORNER PINadjustment Signal generator Remote control unit [4. DEF]8. COR-UP9. COR-LO - PAL CORNER PIN - (1) Receive a PAL crosshatch signal.(2) Select 8. COR-UP . (3) Set the initial setting value of 8. COR-UP . (4) Select 9. COR-LO . (5) Set the initial setting value of 9. COR-LO . (...

Page 29 - PURITY ADJUSTMENT; CRT; Long lug

(No.YA139)1-29 4.7.8 PURITY AND CONVERGENCE PURITY ADJUSTMENT Note: The final adjustment of CONVERGENCE must be done afterthe FOCUS adjustment. (CONVERGENCE is changed byFOCUS adjustment.)When makes difference by FOCUS adjustment, should bereconfirming PURITY adjustment. (1) Demagnetize CRT with t...

Page 30 - (1) Move the deflection yoke up and down and overlap the lines; Xv

1-30 (No.YA139) 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 themto magenta (red/blue). (3) Using 6-pole convergence magnets, overlap the magenta (red/blue) and green l...

Page 31 - B1 over-current protection; B1 over-current protection / CRT neck broken protection

(No.YA139)1-31 SECTION 5 TROUBLESHOOTING 5.1 SELF CHECK 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 POWERLED flashes to inform of the failure. An abnormality is detected by the signal input state of t...