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Service Manual Colour Television HV-29LPZ SERVICE MANUAL COLOUR TELEVISION BASIC CHASSIS HV-29LPZ MF HV-29LPZ/HK HV-29LPZ/-A HV-29LPZ/EE CONTENTS ! SPECIFICATIONS ････････････････････2 ! SPECIFIC SERVICE INSTRUCTIONS････ 8 ! SAFETY PRECAUTIONS ･･････････････3 ! SERVICE ADJUSTMENTS････････････ 14 ! MAIN DIFFERENCE LIST ･･････････････4 ! PARTS LIST ･･･････････････････････ 37 ! FEATURES･･････････････････････････4 ★ OPERATING INSTRUCTIONS ! FUNCTIONS ･････････････････････････6 ★ STANDARD CIRCUIT DIAGRAM ･･･････ 2-1 1 COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD. No.52012 Jun. 2002 HV-29LPZ SPECIFICATIONS Item Content Dimensions ( W×H×D ) 73.2cm×58.7cm×51.8cm Mass 48.0kg TV RF System B/G, I, D/K, K1, M Colour System PAL / SECAM / NTSC 3.58 / NTSC 4.43 Stereo System A2 (B/G) / NICAM (B/G, I, D/K, K1) Teletext System Fastext (UK system) * [ * Without TEXT mode : HV-29LPZ/HK ] WST(world s tandard Texst ) VL 46.25MHz ～ 168. 25MHz Receiving VH 175.25MHz ～ 463.25MHz Frequency UHF 471.25MHz ～ 863.25MHz CATV Mid (X～Z+2, S1～S10), Super (S11～S20) & Hyp er (S21～S41) Intermediate VIF 38.0MHz Frequency SIF 32.5MHz(5. 5MHz) / 32. 0MHz(6.0MHz) / 3. 15MHz(6.5MHz) / 33.5MHz (4.5MHz) PAL 4.43MHz Colour Sub Carrier SECAM 4.40625MHz / 4.25MHz Frequency NT SC 3.58MHz / 4.43MHz Power Input AC 110V～240V , 50/60Hz Power Consumption Max 254W / Avg. 170W Aerial Input Term 75Ωunbalanc ed, Coaxial Picture Tube 29”(68c m) measured diagonally +1.0kV High Voltage 31.5kV -1. 5 kV (At zero beam current ) Au dio Power Output 20W + 20W Speaker φ10cm Round type×2 / φ3.5cm Round t ype×2 Video 1Vp-p 75Ω Au dio (L/R) 500mVrms(-4dBs), High Impedance Input Y : 1V (p-p) Positive (Negative s ync provided) 75Ω S / Video Terminal C : 0 .28 6V (p -p ) (b urst sig na l), 7 5Ω Y : 1V (p -p ), 75 Ω Component Cb/Cr Cb : B-Y 0 .7V (p -p ), 7 5Ω / Cr : R-Y 0.7V(p-p), 75Ω Output Video 1V(p-p) 75Ω Terminal Audio(L/R) 500mVrms(-4dBs), Low Impedance AV Compulink Mono mini jack (φ3.5mm ) Headphone jack St ereo mini jac k (φ3.5mm ) Remote Control Unit RM-C214 (AA/R06 / UM-3 , Dry cell battery×2) : HV -29LPZ / HV -29LPZ/-A / HV -29LP Z/EE RM-C215 (AA/R06 / UM-3 , Dry cell battery×2) : HV -29LPZ/HK Design & speci fications are subject to change wi thout notice. 2 No.52012 HV-29LPZ SAFETY PRECAUTIONS 1. The design of this product contains special hardware, many 9. Isolation Check circuits and components specially for safety purposes. For (Safety for Electrical Shock Hazard) continued prot ection, no changes should be made to the original Af ter re-ass embling the product, always perf orm an isolat ion design unless authorized in writing by the manufact urer. check on the exposed metal parts of t he cabinet (antenna Replacement parts must be ident ic al to thos e used in the original terminals, video/audio input and output t erminals, Control knobs, circuit s. Service should be performed by qualif ied pers onnel metal cabinet, screwheads, earphone jack, control shaf ts, etc.) only. to be sure the product is s af e t o operate without danger of elect rical shoc k. 2. Alterations of the design or circuitry of t he products should not be (1) Dielectric Strength Test made. Any design alterations or additions will void the The isolation between the AC primary circuit and all metal parts manufact urer's warrant y and will f urther relieve t he manufacturer exposed t o the us er, particularly any expos ed met al part having a of responsibility for personal injury or property damage result ing return path to t he chass is should withs tand a volt age of 3000V therefrom. AC (r.m.s.) for a period of one second. (. Wit hstand a volt age of 1100V AC (r.m. s.) to an applianc e 3. Many electrical and mechanical parts in the products have rated up to 120V , and 3000V AC (r.m. s.) to an appliance rat ed special safety-related characteristics. T hese characteristics are 200V or more, for a period of one second.) oft en not evident f rom visual inspection nor can t he protect ion This method of test requires a test equipment not generally found aff orded by them necessarily be obtained by using replacement in t he servic e trade. components rated for higher voltage, watt age, etc. Replacement (2) Leakage Current Check parts whic h have these special s afet y charact erist ics are Plug the A C line c ord direct ly into the A C outlet (do not use a line identified in the parts list of Servic e manual. El ectrical isolation transf ormer during this check.). Using a " Leakage components having such features are identified by shading Current Tester", measure the leakage current f rom each exposed on the schematics and by (!) on the parts list in Service metal part of the cabinet, part icularly any expos ed metal part manual. The us e of a substitute replacement which does not having a return path to the chassis , to a known good eart h have the same saf ety charact erist ics as t he recommended ground (water pipe, etc.). Any leakage current must not exceed replac ement part shown in the parts list of Service manual may 0.5mA AC (r.m.s.). cause shock, fire, or other hazards. However, in tropic al area, this must not exceed 0.2mA AC (r.m.s.). 4. Don't short between the LIVE side ground and ISOLATED " Alternate Check Method (NEUTRAL) side ground or EARTH side ground when Plug the A C line c ord direct ly into the A C outlet (do not use a line repairing. isolation transformer during this check.). Use an AC volt meter Some model's power circuit is partly different in the GND. The having 1000 ohms per volt or more sens it ivity in the following diff erenc e of the G ND is shown by the LIV E : (") side GND, the manner. Connec t a 1500Ω 10W res ist or paralleled by a 0.15µF ISO LATED(NEUTRAL) : (#) side GND and EARTH : ($) side AC-type capacit or bet ween an exposed met al part and a known GND. Don't short bet ween the LIV E side GND and good earth ground (water pipe, etc.). Meas ure the AC volt age ISO LATED(NEUTRAL) side GND or EARTH side GND and across the res ist or with the AC voltmeter. Move the resistor never measure wit h a measuring apparatus (oscilloscope etc.) connec tion to each exposed metal part, part icularly any exposed the LI VE side GND and IS OLA TED(NE UTRAL) side G ND or metal part having a return pat h to the chassis, and measure the EARTH side GND at the s ame time. AC voltage ac ross the res ist or. Now, reverse the plug in the AC If above note will not be kept, a fuse or any parts will be broken. outlet and repeat eac h measurement. Any volt age measured must not exceed 0.75V AC (r.m.s.). This c orresponds to 0.5mA 5. If any repair has been made to the chassis, it is recommended AC (r.m.s.). that t he B1 set ting should be checked or adjusted (See However, in tropical area, this must not exceed 0.3V AC ( r.m.s.). ADJUSTMENT OF B1 POWER SUPPLY). This corresponds to 0.2mA AC (r.m.s.). 6. The high voltage applied t o the picture tube must conform wit h AC VOLTMETER that specified in S ervice manual. E xcessive high volt age can (HAVING 1000 Ω/V, cause an increase in X-Ray emission, arcing and possible OR MORE SENSITIVITY) component damage, therefore operation under excessive high voltage conditions should be kept to a minimum, or should be prevent ed. If s evere arc ing occurs, remove t he AC power μ immediately and determine the cause by visual inspect ion 0.15 F AC-T YPE (incorrect installat ion, cracked or melted high volt age harness, poor soldering, et c.). To maint ain the proper minimum level of PLACE THIS PROBE sof t X-Ray emission, c omponents in the high voltage circuitry ON E A CH EX PO SE D including t he pict ure tube must be t he exact replacements or 1500 Ω 10W ME T AL PA RT alternat ives approved by the manuf act urer of the c omplet e GOOD EARTH GROUND product. 7. Do not c hec k high volt age by drawing an arc. Use a high volt age meter or a high v oltage probe wit h a V TVM. 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 butt on. 8. When service is required, observe the original lead dress. Extra prec aut ion should be given t o assure correct lead dress in the high voltage circuit area. W here a s hort circuit has occurred, those component s that indicate evidence of overheating should be replaced. A lways use the manuf act urer's replacement components. No.52012 3 HV-29LPZ MAIN DIFFERENCE LIST Model name /HK /-A /EE ! Part n ame HV-29LPZ HV-29LPZ HV-29LPZ HV-29LPZ MICOM PWB SMF0M901A-H2 SMF0M902A-H2 SMF0M903A-H2 SMF0M904A-H2 ! POWER CORD QMP4 0D0-20 0J5 QMPN05 0-20 0-E2 QMPR01 0-20 0-E2 QMP4 0D0-20 0J5 ! FRONT CABI.ASSY LC11193-008B-H LC11193-023A-H LC11193-008B-H ! REAR COVER LC10763-007B-HH LC10763-002D-H LC10763-007B-HH ! RATING LABEL LC20377-001B-H LC20377-012B-H LC20413-002B-H LC20377-009B-H ! INST BOOK LCT1215-001A-H LCT1217-001A-H LCT1215-001A-H LCT1218-001A-H ! DIGEST MANUAL ××LCT1216-001A-H × ! CONVERSI ON PLUG ××QAM0055-001 × WARRANTY CARD ×××BT-54012-2 REMOTE CONTROL UNIT RM-C214-1C RM-C215-1C RM-C214-1C FEATURES " New chassis design enable us e of an interac tive on screen " Built-in ECO (ECONOMY, ECOLOGY) MODE.
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