Teac-CT-M3442-H-Service-Manual电路原理图.pdf

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1、 TEAC SERVICE MANUAL 1. Caution2 2. Specification6 3. BOM List .9 4. Alignment Procedure.28 5. Block Diagram35 6. Schematic Diagram36 7. PCB Layout.37 8. Exploded View Diagram 38 This manual is the latest at the time of printing, and does not include the modification which may be made after the prin

2、ting, by the constant improvement of product. CT-M3442H RadioFans.CN 收音机爱 好者资料库 WARNING: TO REDUCE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE PARTS INSIDE. REFER

3、 SERVICING TO QUALIFIED SERVICE PERSONNEL. The lighting flash with arrowhead symbol, with an equilateral triangle is intended to alert the user to the presence of uninsulated voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to the perso

4、n. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. CAUTION: Use of controls, adjustments or procedures other than those specified herein ma

5、y result in hazardous radiation exposure. CAUTION RISK RISK OF OF ELECTRIELECTRIC C SHOCK SHOCK DO DO NOT NOT OPEN.OPEN. 2 dangerous RadioFans.CN 收音机爱 好者资料库 3 FOR YOUR PERSONAL SAFETY 1.When the power cord or plug is damaged or frayed, unplug this television set from the wall outlet and refer servic

6、ing to qualified service personnel. 2.Do not overload wall outlets and extension cords as this can result in fire or electric shock. 3.Do not allow anything to rest on or roll over the power cord, and do not place the TV where power cord is subject to traffic or abuse. This may result in a shock or

7、fire hazard. 4.Do not attempt to service this television set yourself as opening or removing covers may expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel. 5.Never push objects of any kind into this television set through cabinet slots as they may to

8、uch dangerous voltage points or short out parts that could result in a fire or electric shock. Never spill liquid of any kind on the television set. 6.If the television set has been dropped or the cabinet has been damaged, unplug this television set from the wall outlet and refer servicing to qualif

9、ied service personnel. 7.If liquid has been spilled into the television set, unplug this television set from the wall outlet and refer servicing to qualified service personnel. 8.Do not subject your television set to impact of any kind. Be particularly careful not to damage the picture tube surface.

10、 9.Unplug this television set from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. 10.1. Do not place this television set on an unstable cart, stand, or table. The television set may fall, causing serious injury to a child or an adult,

11、and serious damage to the appliance. Use only with a cart or stand recommended by the manufacturer, or sold with the television set. Wall or shelf mounting should follow the manufacturer s instructions, and should use a mounting kit approved by the manufacturer. 10.2. An appliance and cart combinati

12、on should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the appliance and cart combination to overturn. CAUTION: Read all of these instructions. Save these instructions for later use. Follow all Warnings and Instructions marked on the audio equipment. 1. Read Instru

13、ctions- All the safety and operating instructions should be read before the product is operated. 2. Retain Instructions- The safety and operating instructions should be retained for future reference. 3. Heed Warnings- All warnings on the product and in the operating instructions should be adhered to

14、. 4. Follow Instructions- All operating and use instructions should be followed. IMPORTANT SAFETY INSTRUCTIONS 4 PROTECTION AND LOCATION OF YOUR SET 11.Do not use this television set near water . for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a swimmi

15、ng pool, etc. Never expose the set to rain or water. If the set has been exposed to rain or water, unplug the set from the wall outlet and refer servicing to qualified service personnel. 12. Choose a place where light (artificial or sunlight) does not shine directly on the screen. 13. Avoid dusty pl

16、aces, since piling up of dust inside TV chassis may cause failure of the set when high humidity persists. 14. The set has slots, or openings in the cabinet for ventilation purposes, to provide reliable operation of the receiver, to protect it from overheating. These openings must not be blocked or c

17、overed. Never cover the slots or openings with cloth or other material. Never block the bottom ventilation slots of the set by placing it on a bed, sofa, rug, etc. Never place the set near or over a radiator or heat register. Never place the set in enclosure, unless proper ventilation is provided. P

18、ROTECTION AND LOCATION OF YOUR SET 15.1. If an outside antenna is connected to the television set, be sure the antenna system is grounded so as to provide some protection against voltage surges and built up static charges, Section 810 of the National Electrical Code, NFPA No. 70-1975, provides infor

19、mation with respect to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrode, and requirements for the grounding electrode. 15.2. Note to C

20、ATV system installer : (Only for the television set with CATV reception) This reminder is provided to call the CATV system attention to Article 820-40 of the NEC that provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding syst

21、em of the building, as close to the point of cable entry as practical. 16.An outside antenna system should not be located in the vicinity of overhead power lines or other electric lights or power circuits, or where it can fall into such power lines or circuits. When installing an outside antenna sys

22、tem, extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal. 17.For added protection for this television set during a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet and di

23、sconnect the antenna. This will prevent damage due to lightning and power-line surges. ANTENNA LEAD-IN WIRE ANTENNA DISCHARGE UNIT (NEC SECTION 810-20) GROUNDING CONDUCTORS (NECSECTION810-21) GROUND CLAMPS POWER SERVICE GROUNDING ELECTRODE SYSTEM (NEC ART 250. PART H) ELECTRIC SERVICE EQUIPMENT GROU

24、ND CLAMP NEC-NATIONAL ELECTRICAL CODE EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS a built-in installer s OPERATION OF YOUR SET 18.This television set should be operated only from the type of power source indic

25、ated on the marking label. If you are not sure of the type of power supply at your home, consult your television dealer or local power company. For television sets designed to operate from battery power, refer to the operating instructions. 19.If the television set does not operate normally by follo

26、wing the operating instructions, unplug this television set from the wall outlet and refer servicing to qualified service personnel. Adjust only those controls that are covered in the operating instructions as improper adjustment of other controls may result in damage and will often require extensiv

27、e work by a qualified technician to restore the television set to normal operation. 20.When going on a holiday : If your television set is to remain unused for a period of time, for instance, when you go on a holiday, turn the television set and unplug the television set from the wall outlet. IF THE

28、 SET DOES NOT OPERATE PROPERLY 21.If you are unable to restore normal operation by following the detailed procedure in your operating instructions, do not attempt any further adjustment. Unplug the set and call your dealer or service technician. 22.Whenever the television set is damaged or fails, or

29、 a distinct change in performance indicates a need for service, unplug the set and have it checked by a professional service technician. 23.It is normal for some TV sets to make occasional snapping or popping sounds, particularly when being turned on or off. If the snapping or popping is continuous

30、or frequent, unplug the set and consult your dealer or service technician. FOR SERVICE AND MODIFICATION 24.Do not use attachments not recommended by the television set manufacturer as they may cause hazards. 25.When replacement parts are required, be sure the service technician has used replacement

31、parts specified by the manufacturer that have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards. 26.Upon completion of any service or repairs to the television set, ask the service technician to perform routine safety check

32、s to determine that the television is in safe operating condition. 5 off PFS2 FORMAT-1 Report Date:2003-8-1 9:16 ProductView.: Report by.: Specs / Products MasterData Customer IdTEAC AUSTRALIA PTY LTD Version0.1 StatusNew BrandTEAC EAN UPC Reception +Tuning - presets/channels100 +Tuning - technology

33、VST +Tuning - IndicationX +Freq BandsUVSH +Channels100 +IF Freq +TV Systems Off AirPAL B/G +Add Systems Ext InNTSC 3.58, NTSC 4.43, NTSC Play Back, PAL 60 +TV Systems MultiPAL-Multi +Sound SystemsAV Stereo Picture - Processing +ScanStandard +Scan Modes4;3 +Wide Screen Switching +Combfilter +Picture

34、ControlBrightness, Colour, Contrast, Color Temperature, Hue, Sharpness Cont Var, Smart Pict. 4 Modes +Pict EnhancementBlack Stretch +Pict Noise Reduction Picture - Display +Display TypeDV - CRT - RF +Screen Format4:3 +Size(Visual) - size/vis. cm14 +Deflection System (CRT only) +Tube Technology (CRT

35、only)Black Matrix, Iron +CRT Defl +CRT GunStand Gun +CRT Magn fieldNeutral +Resolution +Coating (only for D.V. sets) +White Point Sound +RMS Power Intern +RMS Power Extern +Surround Sound +Sound FeaturesMute +Sound ControlVolume Sound - Speakers +Speaker configuration2 +Speakers usedNormal +Speaker

36、Size User Interface +Interface NameL01- Full Interface +Voice Control +MenuCursor Control +Menu Colours +Menu LanguagesEnglish +Special FeaturesNo signal Auto Standby,Timer Power ON/OFF, Favorite Channel, Sleep timer, Game, Calendar, Notebook, Hotel lock , Auto Search +Operational Features +PP Featu

37、res +Tuning/Install FeaturesAuto Store, Factory Mode, Fine Tuning, Manual Search/Store, Manual Sort, Service Mode +Clock/Timer FunctionsClock, On/off timer, Sleep timer Product: CT-M3442H 2003-9-16 14:331419 PFS1 of 3 Date:2003-8-1 9:16 ProductView.: Report by.: Specs / Products Product: CT-M3442H +

38、Local Controls FrontChannel +-, Volume +-, TV/AV,MENU, Power Switch, +Local Controls Top +Indicators - screen +Indicators - frontRC Recvd LED, SB LED +Numb of Loc Cont (incl Mains)7 +Number of Ind. (incl Mains)1 +Local Controls (Old) Remote Control Connectors Rear +Scart RGB+Y/C+CVBS +Scart RGB+CVBS

39、 +Scart CVBS+Y/C +Component In (Y/U/V) Cinch +In Y/C+Cinch(CVBS+St) +In Y/C+Cinch(CVBS+Mo) +In Y/C+Cinch(St) +In BNC (CVBS) +In Cinch(CVBS+St)X +In Cinch(CVBS+Mo) +Out Cinch(CVBS+St) +Out Cinch(CVBS+Mo)X +Out Cinch Audio Stereo +Out Cinch Audio Mono +Out Cinch Dolby Surround +Out Cinch Subwoofer +Di

40、g Audio Out +Loudspeakers +Control Busses +Feature Slot +ITV Smart Port +Terr. Antenna in75 Ohms (IEC type) Guide + IR Blaster Jack Connectors Front +In Y/C + Cinch(CVBS+St) +In Y/C + Cinch Stereo +In Cinch (CVBS + St+ Mo)X +In Cinch (CVBS+Mo) +Headphone Out +Feature Slot Connectors Side +In Y/C + C

41、inch(CVBS+St) +In Y/C + Cinch Stereo +In Cinch (CVBS + St+ Mo) +IN Cinch (CVBS + Mo) +Headphone Out Connectors Top +In Cinch (CVBS + St) +Headphone Out Connectors Mechanical +Headphone +Cinch A/V in/out +Cinch Component +Cinch Y/C Styling +Cabinet Name1419 +Configuration +Graphics/Logos -Cabinet Col

42、our and Finish Silver Frost +Mechanics +Speaker VisibilityStandard General +SegmentStandard 4:3 +ChassisM28 +Software Delivery Mode +Software Version +Mains Voltage240V +Mains Frequency50Hz +Type Mains Cord Power Consumption (P)TV in On 2003-9-16 14:331419 PFS2 of 3 Date:2003-8-1 9:16 ProductView.:

43、Report by.: Specs / Products Product: CT-M3442H Power Consumption SB in WattsLess then 3W Power Consumption Semi SB in W +Power in ON for +Power in Standby for +Power in OFF for Weight (P)TV (incl. Packaging) Weight (P)TV (excl. Package) Weight AVUnit excl Packaging +INDICATION on BACKCOVER +Channel

44、 Final Equipment +Packaging - methods +Documents and manuals +Languages DFU +Cables Supplied +Antenna Supplied +Stand Supplied +Aux Equipm Supplied Packaging - width cm Packaging - height cm Packaging - depth cm Miscellaneous +EAN Indication +Approbation +Tests +Local Integration Various Perf. Param

45、. +Service Call-Rate PIP/POP +Type +FeaturesNo Digital Reception +Transmission Built-in Data System +Text Standard +(Tele)text FeaturesNo +Nbr bckgrnd page / Mem SizeNo +Text TechnologyNo +Digital Data handling +Program Guide Built-in Clock/Timer +Type +Features Built-in Radio +Type Built-in PC disp

46、lay +PC Synch +PC Control Built-in DVD drive +Type of Medium +Type of Deck +Version of Deck Phased Out Items +Tuner/Frontend +Sensitivity +CRT EHT +Lightning Protection +Account +XX(Radio Antenna in) +Non Volatile Memory +In Y/C + Cinch(CVBS+Mo) Version of deck 2003-9-16 14:331419 PFS3 of 3 Item No.

47、DescriptionQuantity Req.DesignatorRemarks 08-01427H-CRYASSY - CRT BD1 10-1N4148-ABX DIODE 1N4148 (SWITCHING)1 D502 10-1N4148-ABX DIODE 1N4148 (SWITCHING)1 D501 11-SA1015-YBXTRANSISTOR 2SA1015Y1 Q510 11-SC2482-0BXTRANSISTOR 2SC24821 Q501 11-SC2482-0BXTRANSISTOR 2SC24821 Q502 11-SC2482-0BXTRANSISTOR 2

48、SC24821 Q503 18-CB0101-JNXRES. C.F. 100 OHM 1/6W +/-5%1 R501 18-CB0101-JNXRES. C.F. 100 OHM 1/6W +/-5%1 R504 18-CB0101-JNXRES. C.F. 100 OHM 1/6W +/-5%1 R507 18-CB0102-JNXRES. C.F. 1K OHM 1/6W +/-5%1 R522 18-CB0272-JNX RES. C.F. 2.7k OHM 1/6W +/-5%1 R524 18-CB0472-JNX RES. C.F. 4.7k OHM 1/6W +/-5%1 R502 18-CB0472-JNX RES. C.F. 4.7k OHM 1/6W +/-5%1 R505 18-CB0472-JNX RES. C.F. 4.7k OHM 1/6W +/-5%1 R508 18-CB0681-JNXRES. C.F. 680 OHM 1/6W +/