Haier TV-8888-30 Скачать руководство пользователя | Manualshive

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CIRCUIT BLOCK DIAGRAM

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Содержание TV-8888-30

Страница 1: ...1 HAIER COLOR TELEVISION SERVICE MANUAL PART TV 8888 30 HAIER AMERICA TRADING LLC www haeiramerica com ...

Страница 2: ...ions 8 13 Net Dimension 14 Parts and Functions 15 Remote Controller Function 16 Program Diagram 17 Maintenance Service and Troubleshooting 18 21 Circuit Diagram 22 Circuit Block Diagram 23 PCB 24 Circuit Explanation 25 26 Adjustment 27 Information of Resistors and Capacitors 28 Abbreviation of Part Name and Description 29 Terminal View of Transistors 30 ...

Страница 3: ...3 PRODUCT CODE EXPLANATION AND SERIES INTRODUCTION ...

Страница 4: ...o picture listening 12 Left right balancer 35 Background light 13 NICAM 36 Auto timer on 14 Multi audio modes 37 CCD 15 Tone adjuster 38 V CHIP 16 MTS SAP 39 Number of built in speakers 1 17 Auto volume leveling 40 Audio output power W 2W 18 AV input Front 1 41 Total power input W 58 19 AV output 42 Voltage range V 120 20 DVD terminal 43 Power frequency Hz 60 21 S video jack 44 Time of sleep timer...

Страница 5: ...e circuitry that might be inadvertently introduced during the service operation If any fuse or Fusible Resistor in this TV receiver is blown replace it with a specified one When replacing a high wattage resistor Oxide Metal Film Resistor over 1W keep the resistor 0 39 inch away from PCB Keep wires away from high voltage or high temperature parts Due to the high vacuum and large surface area of the...

Страница 6: ...t in the sunshine or near heatsource 6 When the TV set isn t going to be used for long time or it is in thunder and lightening please pull out the plug fromAC outlet and the antenna plug from the cover ofthe TVset leave the TV set in the rain or exposed to moisture 2 To prolong the life of the TV set ensure it is set up in a well ventilated place 5 Do not open the back cover possible damage to the...

Страница 7: ...e any cleanser Avoid using a hard cloth the tube surface will be damaged CAUTION Before servicing receivers covered by this service manual and its supplements and addenda read and follow the SAFETY PRECAUTIONS NOTE If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions always follow the safety precautions NB Remember Safety First ...

Страница 8: ...he insulated clip lead to the picture tube anode button using an insulating handle to avoid personal contact with high voltage 4 Do not spray chemicals on or near this receiver or any of its assemblies 5 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable nonabrasive...

Страница 9: ...ly a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static type folder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ES devices 5 Do not use Freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its p...

Страница 10: ...re 500o F to 600o F b First hold the soldering iron tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only until the solder flows onto and around both the component lead and the foil CAUTION Work quickly to avoid overheating the circuit board printed ...

Страница 11: ...insure metal to metal contact then solder each connection Power Output Transistor Device Removal Replacement Heat and remove all solder from around the transistor leads Remove the heat sink mounting screw if so equipped Carefully remove the transistor from the heat sink of the circuit board Insert new transistor in the circuit board Solder each transistor lead and clip off excess lead Replace heat...

Страница 12: ... as much copper as absolutely necessary 2 Carefully scratch away the solder resist and acrylic coating if used from the end of the remaining copper pattern 3 Bend a small U in one end of a small gauge jumper wire and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of th...

Страница 13: ...13 Carefully clamp and solder the connections CAUTION Ensure the insulated jumper wire is dressed so that it does not touch components or sharp edges ...

Страница 14: ...14 NET DIMENSION 13 8 13 1 14 4 ...

Страница 15: ...15 PARTS AND FUNCTIONS ...

Страница 16: ...16 REMOTE CONTROLLER FUNCTION ...

Страница 17: ... preset A 1 Auto searching and storing program Press MENU button on the remote controller then use the key to select the bar Auto program then press the to make sure If you want to stop press the key 2 Deleting channel number Press MENU to call Menu Then use the key in selecting the bar ADD DELETE then press the to select ADD or DELETE B Volume tuning Press VOLUME buttons VOL to decrease and VOL t...

Страница 18: ...ge the parameter of the selected item 1 Press the PICTURE key of the alignment remote controller again to save the changed parameter Factory configuration settings Press PROD key to enter the first page of the main menu of the factory Configuration There are 14 items under this menu By pressing the PROD key again to enter the second page of this menu there are 6 more items are listed below OSD Des...

Страница 19: ... items OSD Description Range Reference Sub brightness Preset brightness 0 127 60 Contrast Preset contrast 0 27 27 Tint Preset tint 0 77 35 Color Preset color saturation 0 27 14 4 When done press PICTURE to save the result Adjusting the whiteness level 1 Press GEO of the alignment remote controller set the item NO SD POWER OFF YES to NO keep the TV power on for over 30 minutes 2 Degauss the CRT 3 I...

Страница 20: ... the following keys until the line turns white 1 RB 2 RB 3 GB 4 GB 5 BB 6 BB and then press SCAN again use the alignment remote controller V V P P key to adjust RD GD and BD until the whole screen turns white 6 If a white level test equipment is available adjust the above until a proper effect is gained 7 Press PICTURE to save the results 8 Press GEO key set back the NO SD POWER OFF item to yes ...

Страница 21: ... 5v is normal Check the control Voltage of V552 or CPU power The failure of Horizontal unit or N551 or N552 Normal Normal Normal Abnormal Checktosee103Vetc Voltageisnormal Testtoseeallterminal Resistanceofload Isnormal Checkswitchof Powerunit Check to see if rectifying tube is normal Change rectifying tube Check the Loader Abnormal Normal Abnormal Normal Abnormal Normal Abnormal ...

Страница 22: ...V10 R801 22K R802 100 B901 3W16OHM XS403 SCN 5 L441 2069 C570 10V470 R561 10K C729 0 01 R400 1 2DJ270 R567 1 2K L431 YC0008 R723 8 2K R724 4 7K R722 1 5K C403 FK0 47 C402 FK0 22 SW707 POWER R707 680 R721 10K R728 470 R119 1K R409 680 C431 X R270 J Z101 F45U 38M VD901 D VD911 D VD921 D XS801 1 AUDIO XS802 1 VIDEO C279 0 01 R279 3K B6 12V XP601 SCN3 2Y XS601 TJC3 2A R120 J C124 50V1 R832 1K C809 220...

Страница 23: ...23 CIRCUIT BLOCK DIAGRAM ...

Страница 24: ...24 PCB ...

Страница 25: ...79 8 n c 0 29 I2C bus control 1 5 9 Ground 0 30 I2C bus control 1 4 99 10 Scl 1 47 31 Connect to 5V resistor via a 5 03 11 sdl 2 2 32 Connect to 5V via a resistor 5 04 12 Power supply 4 99 33 Connect to 5V resistor via a 5 03 13 Key input 0 24 34 Infrared receive 0 03 14 AFT in 2 77 35 Connect to 5V resistor via a 5 02 15 AGC in 1 7 36 Connect to 5V resistor via a 5 01 16 n c 1 7 37 Mute 0 11 17 R...

Страница 26: ... 38 XTAL 2 87 12 Bus clock 4 85 39 Chrome ACC filter 3 2 13 ABL 4 76 40 Selected video output 2 43 14 R input 3 92 41 Video chroma deflection 0 15 G input 0 14 42 Ext video input 2 55 16 B input 0 15 43 Power 5 17 Fast blanking input 0 08 44 Int video input 2 77 18 RGB Vcc 7 94 45 Black stretch filter 2 6 19 R output 2 21 46 Video input 2 12 20 G output 2 36 47 APC filter 3 5 21 B output 2 28 48 V...

Страница 27: ...ment a Connect 45 75MHz sweep generator to IF test top in PCB b Adjust T101 and make digital multi meter display 3 6V 0 05V PIF TP top can only connect to multi meter Alignment and check a Connect main PCB with alignment tool input factory adjustment signal and turn TV on Adjust screen control on FBT and make screen brightness relevant receive 525 line monoscope adjust focus control on FBT and mak...

Страница 28: ...Ω ohm K 1000Ω M 1000KΩ 3 The unit of capacitance is µF microfarad 1pF 10 6µF Numbering system of Capacitor Example CL42 17 50V 2F4 104 Z Type Voltage Value pF Tolerance CL21X 100V 223 J Type Voltage Value pF Tolerance CL110X 25V 100µF 20 Type Voltage Value Tolerance 104 10 104 223 22 103 Numbering system of resistor Example RY17S 2W 390 J 05 E A Type Wattage Value Ω Tolerance RS11 1 2W 1 8K K Type...

Страница 29: ...N PART NAME DESCRIPTION TYPE ALLOWANCE T Carbon F 1 S Solid J 5 J Metal K 10 Y Oxide M 20 F Fuse G 2 CAPACITORS PART NAME DESCRIPTION TYPE ALLOWANCE C Ceramic J 5 T Ceramic K 10 L Film L 15 D Electrolytic M 20 A Tantalum P 100 0 Z 80 0 RESISTORS ...

Страница 30: ...30 TERMINAL VIEW OF TRANSISTORS ...

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