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Now downloading free:JVC AV-29L31

JVC AV-29L31 free download

TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips

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File name:AV-29L31_JVC_TV.part2.rar
Size:2041 kB
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Mfg:JVC
Model:AV-29L31 🔎 AV29L31
Original:CH 🔎
Descr:AV-29L31/M Basic chassis: CH COLOR TELEVISION - Service Manual, Part list, Schematics
Group:Electronics > Consumer electronics > TV
Uploaded:03-11-2004
User:plamensl
Multipart: 0  1  2

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Extracted files:3
File name 51970.pdf

AV-29L31 SERVICE MANUAL COLOR TELEVISION BASIC CHASSIS CH AV-29L31/M DISPLAY POWER MENU CHANNEL VOLUME CLOSED CAPTION MUTING TV/VIDEO 1 4 2 5 8 0 3 6 9 100 PICTURE MODE 7 CHANNEL SCAN RETURN ECO SENSOR OFF TIMER RM-C248 REMOTE CONTROL UNIT RM-C248-2C CONTENTS a SPECIFICATIONS ...2 a SAFETY PRECAUTIONS ...3 a FEATURES ...4 a FUNCTIONS ...5 a SPECIFIC SERVICE INSTRUCTIONS ...6 ¤ OPERATING INSTRUCTIONS (APPENDIX) ... 1-1 a SERVICE ADJUSTMENTS ...14 ¤ STANDARD CIRCUIT DIAGRAM (APPENDIX) ... 2-1 a PARTS LIST ...33 No. 51970 Jan. 2002 COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD. AV-29L31 SPECIFICATIONS Items Dimensions (W × H × D) Mass TV RF System Color System Stereo System Receiving Frequency VHF (VL) VHF (VH) UHF CATV TV Mode VIDEO Mode 73.2cm × 58.8cm × 51.8cm 47kg CCIR(M) NTSC3.58 NTSC3.58 BTSC (Multi channel Sound) 54MHz ­ 88MHz (02 ­ 06) 174MHz ­ 216MHz (07 ­ 13) 470MHz ­ 806MHz (14 ­ 69) Low Band High Band Mid Band Super Band Hyper Band Ultra Band Sub Mid Band TV/CATV Total Channel Intermediate Frequency Aerial Input Terminal Power Input Power Consumption Picture Tube High Voltage Speaker Audio Output Video / Audio Input (1 / 2 / 3) VIF Carrier SIF Carrier 45.75MHz 41.25MHz (4.5MHz) NTSC (3.58MHz) 75Ø Unbalanced AC110 ­ 240V, 50/60Hz 172W (Max.) / 108W (Avg.) Visible size : 68cm measured diagonally 32kV + 1/­1.5kV (at cut-off in service mode) 5cm × 12cm 7W + 7W Video(1,3) : 1Vp-p, 75Ø (RCA pin jack) Audio(1,2,3) : 500mVrms ( -4dBs ), High Impedance (RCA pin jack) Component Input ( Input 2 ) Y CB/CR Video/Audio Output : 1Vp-p positive (negative sync provided, when terminated with 75Ø) : 0.7Vp-p 75Ø Oval type × 2 (02 ­ 06, A-8) by (02 ­ 06 & 01) (07 ­ 13) by (07 ­ 13) (A ­ I) by (14 ­ 22) (J ­ W) by (23 ­ 36) (W+11 ­ W+23) by (47 ­ 59) (W+29 ­ W+84) by (65 ­ 125) (A8, A7 ­ A1) by (01, 93 ­ 99) 180 Channel -- (54MHz ­ 804MHz) -- Contents Color Sub Carrier Frequency 1Vp-p, 75Ø (RCA pin jack) 500mVrms(-4dBs)
File name 51970par.pdf

AV-29L31 PARTS LIST CAUTION q The parts identified by the symbol are important for the safety . Whenever replacing these parts, be sure to use specified ones to secure the safety . q The parts not indicated in this Parts List and those which are filled with lines --- in the Parts No. columns will not be supplied . q P. W. Board Ass'y will not be supplied, but those which are filled with the Parts No. in the Parts No. columns will be supplied . ABBREVIATIONS OF RESISTORS, CAPACITORS AND TOLERANCES RESISTORS CR FR PR VR HV R MF R MG R MP R OM R CMF R UNF R CH V R CH MG R COMP. R LPTC R Carbon Resistor Fusible Resistor Plate Resistor Variable Resistor High Voltage Resistor Metal Film Resistor Metal Glazed Resistor Metal Plate Resistor Metal Oxide Film Resistor Coating Metal Film Resistor Non-Flammable Resistor Chip Variable Resistor Chip Metal Glazed Resistor Composition Resistor Linear Positive Temperature Coefficient Resistor C CAP. E CAP. M CAP. HV CAP. MF CAP. MM CAP. MP CAP. PP CAP. PS CAP. TF CAP. MPP CAP. TAN. CAP. CH C CAP. BP E CAP. CH AL E CAP. CH AL BP CAP. CH TAN. E CAP. CH AL BP E CAP. CAPACITORS Ceramic Capacitor Electrolytic Capacitor Mylar Capacitor High Voltage Capacitor Metalized Film Capacitor Metalized Mylar Capacitor Metalized Polystyrol Capacitor Polypropylene Capacitor Polystyrol Capacitor Thin Film Capacitor Metalized Polypropylene Capacitor Tantalum Capacitor Chip Ceramic Capacitor Bi-Polar Electrolytic Capacitor Chip Aluminum Electrolytic Capacitor Chip Aluminum Bi-Polar Capacitor Chip Tantalum Electrolytic Capacitor Chip Tantalum Bi-Polar Electrolytic Capacitor RESISTORS F ±1% G ±2% J ±5% K ±10% M ±20% N ±30% R +30% -10% H +50% -10% Z +80% -20% P +100% 0% No. 51970 33 AV-29L31 CONTENTS USING P.W. BOARD & REMOTE CONTROL UNIT ... 35 EXPLODED VIEW PARTS LIST-1 ... 35 EXPLODED VIEW-1 ... 35 EXPLODED VIEW PARTS LIST-2 ... 36 EXPLODED VIEW-2 ... 37 PRINTED WIRING BOARD PARTS LIST MAIN PW BOARD ASS'Y ... 38 CRT SOCKET PW BOARD ASS'Y ... 42 FRONT CONTROL PW BOARD ASS'Y ... 43 REMOTE C
File name 51970sch.pdf

AV-29L31 SCHEMATIC DIAGRAMS COLOR TELEVISION BASIC CHASSIS CH AV-29L31/M CD-ROM No. SML200202 DISPLAY POWER MENU CHANNEL VOLUME CLOSED CAPTION MUTING TV/VIDEO 1 4 2 5 8 0 3 6 9 100 PICTURE MODE 7 CHANNEL SCAN RETURN ECO SENSOR OFF TIMER RM-C248 REMOTE CONTROL UNIT RM-C248-2C COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD. No. 51970 Jan. 2002 AV-29L31 AV-29L31/M STANDARD CIRCUIT DIAGRAM q NOTE ON USING CIRCUIT DIAGRAMS 1. SAFETY The components identified by the symbol and shading are critical for safety. For continued safety replace safety critical components only with manufactures recommended parts. · Type No indication MY MM PP MPP MF TF BP TAN (3) Coils No unit Others (4) Power Supply : B1 : B2(12V) : 9V : 5V : Ceramic capacitor : Mylar capacitor : Metalized mylar capacitor : Polypropylene capacitor : Metalized polypropylene capacitor : Metalized film capacitor : Thin film capacitor : Bipolar electrolytic capacitor : Tantalum capacitor : [µH] : As specified 2. SPECIFIED VOLTAGE AND WAVEFORM VALUES The voltage and waveform values have been measured under the following conditions. (1) Input signal : Color bar signal (2) Setting positions of each knob/button and variable resistor : Original setting position when shipped (3) Internal resistance of tester : DC 20kØ/V (4) Oscilloscope sweeping time : H 20µS/div :V 5mS/div : Others Sweeping time is specified (5) Voltage values : All DC voltage values 9 Since the voltage values of signal circuit vary to some extent according to adjustments, use them as reference values. 9Respective voltage values are indicated (5) Test point : Test point : Only test point display (6) Connecting method : Connector : Wrapping or soldering : Receptacle (7) Ground symbol : LIVE side ground : ISOLATED(NEUTRAL) side ground : EARTH ground : DIGITAL ground 3. INDICATION OF PARTS SYMBOL [EXAMPLE] · In the PW board : R1209 R209 4. INDICATIONS ON THE CIRCUIT DIAGRAM (1) Resistors · Resistance value No unit : [Ø] k : [kØ] M : [MØ] · Rated allowable power No indication : 1/16 [W] Others : As specified · Type No indication : Carbon resistor OMR : Oxide metal film resistor MFR : Metal film resistor MPR : Metal plate resistor UNFR : Uninflammable resistor FR : Fusible resistor 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 LIVE side GND and the ISOLATED(NEUTRAL) side GND simultaneously. If the above caution is not respected, an electric shock may be caused. Therefore, make sure that the power cord is surely removed from the receptacle when, for example, the chassis is pulled out. (2) Do not short between the LIVE side GND and ISOLATED(NEUTRAL) side GND or never measure the LIVE side GND and ISOLATED(NEUTRAL) side GND at the same time with a measuring apparatus (



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