Haier HTX25S31, HTX29S31S, HTX34S31 Скачать руководство пользователя страница 22 | Manualshive

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NO:M-LA-EC-2199-76812

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Edition: 2002.12.30

Circuit Block Diagram

Picture/Sound IF Amplifier,

Video and audio signal

Processing,

RGB Output Circuits

and H &V Sync pulse

segregation

SAW

Sound Power

Amplifier

Main Processor

Infrared Receiver

Remote Controller

ROM

Audio/Video In/Out

Horizontal Scan

Output

Vertical Scan

Output

CRT

Antenna

Tune

r

I

2

C BUS

Circuit Block Diagram

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Содержание HTX25S31, HTX29S31S, HTX34S31

Страница 1: ...1 HAIER COLOR TELEVISION SERVICE MANUAL PART TV 8888 39 HAIER AMERICA TRADING LLC www haieramerica com ...

Страница 2: ...NO M LA EC 2199 76812 Edition 2002 12 30 HTX29S31S COLOR TELEVISION Service Manual Features PAL M N NTSC M Front Audio Video input V CHIP CCD 181 Channel MODEL HTX29S31S ...

Страница 3: ...s 5 6 Net dimension 11 7 Parts and Functions 12 8 Remote Controller Functions 13 9 Program Diagram 14 10 Maintenance Service and Trouble shooting 15 11 Circuit Diagram 18 12 Circuit Explanation 22 13 Adjustment 24 14 Exploded View 27 15 List of Parts 28 16 Damageable Parts List 41 17 Information of Resistors and Capacitors 41 CONTENTS ...

Страница 4: ...2 2 Product Code illumination and Series Introduction H T 29 31 Haier Philips CRT size unit inch Color television appearance Product Code illumination and Series Introduction ...

Страница 5: ...ning 12 Left right balancer 35 Background light 13 NICAM 36 Auto timer on 14 Multi audio modes 37 CCD 15 Tone adjuster 38 SOFTWARE V CHIP 16 MTS SAP 39 Number of built in speakers 2 17 AUDIO Auto volume leveling 40 Audio output power W 2 18 AV input Front 1 Side 1 41 Total power input W 140 19 AV output 42 Voltage range V 90VAC 250V AC 20 DVD terminal 43 Power frequency Hz 60 21 S video jack 44 Ti...

Страница 6: ...aged by accidental shorts of the 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 10mm away from PCB Keep wires away from high voltage or high temperature parts Due to the high vacuum and...

Страница 7: ...please place it on a ventilated place 5 Don t open the backcover otherwise it is possible to damage the components in the TV set and harmyou 3 Don t place the TV set 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 Explanation on the dis...

Страница 8: ...ch the other end of the insulated clip lead to the picture tube anode button using an insulating handle to avoid personal contact with high voltage 4 Do not sprays 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 ...

Страница 9: ... to install it Most replacement ES devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied...

Страница 10: ...und hole use the standard technique as outlined Removal Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement Carefully insert the replacement IC in the circuit board Carefully bend...

Страница 11: ...omponent and adjacent components and the circuit board to prevent excessive component temperatures Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds foil to the circuit board causing the foil to separate from or lift off the board The following guidelines and procedures should be followed whenever this condition is ...

Страница 12: ...condition will not exist if the jumper wire opens 2 Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly connected to the affected copper pattern 3 Connect insulated 20 gauge jumper wire from the lead of the nearest component on one side of the pattern break to the lead of the nearest component on the other side Carefully crimp and s...

Страница 13: ...11 6 Net dimension Net dimension ...

Страница 14: ...12 7 Parts and Functions 1 2 TV Rear Panel S VIDEO VIDEO RAUDIOL IN AV2 OUT ANT 3 4 1 Front panel HT 2599 HP 2999 TV TV AV MENU CH Parts and Functions ...

Страница 15: ...13 8 Remote Controller Functions Remote Controller Functions ...

Страница 16: ...key to select the bar auto search then press the to make sure If you want to stop press the key 2 Deleting channel number Press channel up down buttons to select a channel to skip Press MENU to call up the PREST menu on the screen Then Press the item to select the bar Add Delete then use the key to select Add or Delete B Volume tuning Press VOLUME buttons VOL to decrease and VOL to increase the vo...

Страница 17: ...0 63 7 V SC Vertical S Correction 0 31 8 NT V SIZE Vertical Size 32 31 9 NT V LINE Vertical Linearity 16 15 10 NT V POSI Vertical DC 32 31 11 NT V SC Vertical S Correction 16 15 12 RF AGC RF AGC Delay 0 63 13 VOL OUT Volume Control 0 127 14 OSD H POSI 0 127 15 OSD V POSI 0 31 16 INPUT LEVEL 0 15 17 SPECTRAL 0 63 0 31 PHILIP IC 18 WIDEBAND 0 63 0 31 PHILIP IC 19 STEREO VCO 0 63 No used 20 FILTER SE...

Страница 18: ...rap 0 7 Volume Filter Defeat Video IF setting 0 45 75M 1 58 75M For LA76814 Video Level 0 7 FM Level 0 31 0 turn TV on twice 1 memory 2 3 Turn TV on first 0 without AV 1 one AV input 2 two AV input 3 Three AV input No used No used No used No used No used No used NOTHING NOTHING Maintenance service and trouble shooting ...

Страница 19: ... voltage of V552 or CPU power The failure of horizontal unit or N551 N552 Normal Normal Normal Abnormal Checktosee110V 180V etc voltageisnormal Testtoseeallterminal Resistanceofload Isnormal Check powerunit Check to see if rectifying tube is normal Change rectifying tube Check the Loader Abnormal Normal Abnormal Normal Abnormal Normal Abnormal Maintenance Service and Trouble shooting ...

Страница 20: ...18 11 Circuit Diagram Circuit Diagram ...

Страница 21: ... R471 6FJ3 9 B6 12V V821 2SC1815 R822 4 7K R821 1K C821 50V1 V801 2SC1815 R801 27K R803 220 C805 16V470 R802 68K R804 100K B3 12V B7 5V C819 220 R413 10K R414 10K C412 50V1 R415 3 9K R412 8 2K VD411 EU1 C411 25V47 C303 FK0 1 C304 FK0 1 R302 100K R303 270K R304 10K R305 1K R306 39K V301 2SC1815 RP301 B 50K RP302 B 10K V303 D2012 L301 AA36 C306 35V470 R307 2 2K R310 2 7k V302 2SA1015 C315 1000 R313 ...

Страница 22: ...lifier Video and audio signal Processing RGB Output Circuits and H V Sync pulse segregation SAW Sound Power Amplifier Main Processor Infrared Receiver Remote Controller ROM Audio Video In Out Horizontal Scan Output Vertical Scan Output CRT Antenna Tuner I2 C BUS Circuit Block Diagram ...

Страница 23: ...21 PCB ...

Страница 24: ...22 12 Circuit Explanation 0 Circuit Explanation ...

Страница 25: ...23 2 N101 LA76812 1 2 3 1 2 4 1 5 1 5 6 6 7 38 7 2 0 7 9 2 66 6 38 0 9 Circuit Explanation ...

Страница 26: ...24 13 Adjustment f User Remote controller g j 60MHz double trace oscillograph 2 units k White balance adjustment instrument Alignment and check optimal Adjustment ...

Страница 27: ...obe of white balance adjustment instrument touch with top and bottom of screen fully Check if values of R G B are standard if not press FACTORY button make B W BALANCE menu display on screen adjust values of R BIA G BIA B IA R DRV G DRV B DRV make them standard Press FACTORY button exit service mode OSD I2C bus control LA76810 Varied range S BRI Sub brightness 0 127 R BIA Red bias 0 255 G BIA Gree...

Страница 28: ...H linearity if they are not standard press FACTORY button to enter service mode and adjust vertical size vertical linearity vertical center horizontal center make them standard Alignment parameter table Press FACTORY button on service remote controller and enter service mode 1 Adjustment mode and2 Setting mode Adjustment ...

Страница 29: ...IC CAT24C08P 1 V102 0094400660 Transistor 2SC2216 O F 1 N701 0094401090 IC LC863232A 5V57 1 17 Information of Resistors and Capacitors RESISTORS CAPACITORS PARTS NO CODE Notes 1 part numbers are indicated on most mechanical parts Please use this part number for parts orders 2 The unit of resistance is ohm K 1000 M 1000K 3 The unit of capacitance is F microfarad 1pF 10 6 F Numbering system of Capac...

Страница 30: ...PTION 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 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 E C B B CE KSC2331 YTA B CE KSR1010TA KSR2010TA BC548 CTA EBC CBE KSC815 YTA KSA539 YTA E C B 2SD18887YD ...

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