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CONTENTS

 

 

 

 

 

 

 

CONTENTS .............................................................................................. 2

 

 

 

PRODUCT SAFETY ..................................................................................3

 

 

 

SPECIFICATION ........................................................................................6

 

 

 

ADJUSTMENT INSTRUCTION ................................................................20

 

 

 

TROUBLE SHOOTING ............................................................................21

 

 

 

BLOCK DIAGRAM...................................................................................28

 

 

 

EXPLODED VIEW ..................................................................................29 

 

 

 

SVC. SHEET  ...............................................................................................

Содержание ZL-50BF5152

Страница 1: ...LED TV SERVICE MANUAL CHASSIS 2936P838 MODEL ZL 50BF5152 CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Страница 2: ...CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 20 TROUBLE SHOOTING 21 BLOCK DIAGRAM 28 EXPLODED VIEW 29 SVC SHEET ...

Страница 3: ...Water Pipe Conduit etc and the exposed metallic parts Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms volt or more sensitivity Reverse plug the AC cord into the AC outlet and repeat AC voltage measurements for each exposed metallic part Any voltage measured must not exceed 0 75 volt RMS which is corresponds to 0 5mA In case any measurement is out of the limits specifie...

Страница 4: ...rth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly...

Страница 5: ...t shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit board...

Страница 6: ...1920x1080 HK T RT2936P838X s power part is an energy efficient ultrathin DC line switching power supply unit with max 108 138 watts multi output Main Promotion Power and backlight Spec Power Power Output Backlight Value Backlight Connectors 108W 12V 70V 110V 75W 2Pin 2 0mm 3Pin 2 0mm 138W 12V 100V 160V 90W Note 1 The accuracy of backlight current is 5 2 STANDARD CONFIGURATION Pictures are for refe...

Страница 7: ...CAM Sound System BG DK I NICAM A2 Teletext 1000Pages Max Storage Channels 100CH Digital TV DVB T T2 C Receiving Range VHF 52 5MHz 219MHz UHF 474MHz 862MHz Input impedance 75Ω Channel bandwidth 6MHz 7MHz 8MHz Modulation DVB T T2 COFDM 2K 8K QPSK 16QA 64QAM 128QMA 256QAM DVB C 16 256QAM Video system MPEG 2 MPEG 4 H 264 AVS H 265 Sound system MPEG 1 layer 1 2 MPEG 2 layer 2 DRA Basic function EPG Sub...

Страница 8: ...ference signal Max Output power 2x8W 8Ω THD N 10 Power Input AC 100 240V Operate Normal and Low power mode Manage Standby 0 5W Panel Voltage 5V 12V Picture Video decoder H W auto multi standard detection and color decoding High performance adaptive 3D comb filter for Y C separation Handling of weak and noisy off air signals Support 3 ch for CVBS and S Video output De interlace 3D De interlacing wi...

Страница 9: ...ax 1 RCA terminal orange Note Licenses involved in specifications above are supposed to be obtained by customers themselves 4 MEDIA PLAYER FORMAT Movie format by Video codec File Extension Container P N Video Decoder External Resolution avi AVI Audio Video Interleave DivX DivX 3 11 O 1920x1080 DivX 4 x O 1920x1080 DivX 5 1 O 1920x1080 MPEG MPEG1 O 768x576 MPEG2 MP HL O 1920x1080 H 264 H 264 BP LV4...

Страница 10: ...1080 DivX DivX 3 11 O 1920x1080 DivX 4 x O 1920x1080 DivX 5 1 O 1920x1080 mpg mpeg vob PS Program Stream MPEG MPEG1 O 768x576 MPEG 1 2 4 MPEG2 MP HL O 1920x1080 Others ts TS Transport Stream MPEG MPEG2 MP HL O 1920x1080 H 264 H 264 BP LV 4 0 O 1920x1080 H 264 MP LV 4 0 O 1920x1080 H 264 HP LV 4 0 O 1920x1080 H 264 MVC O 1920x1080 H 265 HEVC O 1920x1080 AVS AVS Jizhun Profile LV6 0 O 1920x1080 rm r...

Страница 11: ...Window Media Audio V8 O Window Media Audio V9 O mp4 MP4 MPEG 4 Part 14 Generic MTK MPEG1 Layer1 2 O MP3 MPEG1 Layer3 O H 265 HEVC O 1920x1080 H 264 MPEG2 AAC AAC LC O MPEG4 AAC LC O MPEG4 HE AAC O mkv MKV Matroska Video Generic MTK wav PCM ADPCM A law PCM u law PCM O MPEG1 Layer1 2 O MP3 MPEG1 Layer3 O Window Media Audio V8 O H 265 HEVC O 1920x1080 H 264 MPEG2 AAC AAC LC O MPEG4 AAC LC O MPEG4 HE ...

Страница 12: ...cp MPEG4 HE AAC RealAudio10 O flv FLV FLash Video Generic MTK MP3 MPEG1 Layer3 O H 265 HEVC O 1920x1080 H 264 MPEG2 AAC AAC LC O MPEG4 AAC LC O MPEG4 HE AAC O Photo format File Extension Container Decoder method jpg JPEG baseline H w bmp BMP Bitmap S W png PNG Portable Network Graphics S W Music format File Extension Decoder method mp3 MPEG 1 2 Audio Layer 3 wav LPCM ADPCM m4a Advanced Audio Codin...

Страница 13: ...any the alternative materials used If necessary you can apply for using related materials mention as above in samples stage Note The alternative materials which have been accepted by our materials Confirmation department and PP will enter our system 5 2 KEY MATERIALS The table is for reference only the actual is the standard NAME TYPE BRAND BACKUP TYPE BACKUP BRAND SPI FLASH GD25Q64 GigaDevice W25...

Страница 14: ... 188 00mm PCB Width 182 00mm PCB Screw Bore Size Diameter is 3 5mm 7 2 CONFIGURABLE The structure chart is for a reference only the actual item is the standard Jack configuration can be adjusted according to your jack terminal it just depends on your board basic and the final bracket Configuration is determined by the practical sample ...

Страница 15: ...O DEFINITION NO DEFINITION 1 VCC 2 VCC 3 VCC 4 GND 5 GND 6 NC 7 ATXN0 8 ATXP0 9 ATXN1 10 ATXP1 11 ATXN2 12 ATXP2 13 GND 14 GND 15 CKN 16 CKP 17 ATXN3 18 ATXP3 19 BTXN0 20 BTXP0 21 BTXN1 22 BTXP1 23 BTXN2 24 BTXP2 25 GND 26 GND 27 CKN 28 CKP 29 BTXN3 30 BTXP3 CNW1 2 pin 2 0 MAIN BOARD POWER NO DEFINITION DESCRIPTION 1 12V 12V Power Supply 2 GND Ground ...

Страница 16: ...ote Receive 5 GND GND 6 K0 SOURCE 7 K1 MENU 8 K2 CH 9 K3 CH 10 K4 Vol 11 K5 Vol 12 K6 POWER 13 K7 Reserved 14 GND Ground CN12 4 Pin 2 54 2X8W SPEAKER OUT NO DEFINITION DESCRIPTION 1 LOUTP Left Speak Out 2 LOUTN Left Speak Out 3 ROUTN Right Speak Out 4 ROUTP Right Speak Out NO DEFINITION DESCRIPTION ...

Страница 17: ...y range 50 60 3 Hz Efficiency Full Load 80 minimum at 220Vac Standby Power Consumption 0 5W 240Vac input and no load condition Leakage Current Less Than 0 7mA 240Vac input Input Fuse T5AL 250Vac 9 2 LED INPUT CHARACTERISTICS Parameter Symbol Min Typical Max Unit Remark INPUT VOLTAGE Von off 0 0 8 V Off State 2 5 3 3 V On State Adj Voltage 0 3 3 V Vadj 0V EFFICIENC Y η 85 Vin 388V Von off 5V Vadj 0...

Страница 18: ...LED Open Protection Specification Specification LED output Auto restart Shut down or auto restart 10 FUSE PROTECTION The Fuse inside the power supply shall open when the AC input current is over the rated current of fuse This Fuse protection will cause switching power supply to fail 10 1 SAFETY The power supply shall compliance with the following Criterion 1 UL60950 UL60065 2 EN60950 EN60065 3 GB4...

Страница 19: ...nput To FG 3000Vac 50Hz 1minute 10mA Output To FG Non Isolated INSULATION RESISTANCE 11 CONFIGURATION GENERAL PRECAUTIONS Relative Humidity 80 Storage Temperature 10 60 Operation Temperature 0 40 Keep the board away from conductor static electricity and water when it is working Don t push or pull the connectors when the board is working Clean the board with soft dry cloth when it s dirty ...

Страница 20: ...y the compressed USB into the root We disconnect the city after the power inside the Ac 2 device is disconnected from the power supply Turn on the device The device turns on and the upgrade begins The device s headlight flashes when it is updated When you upgrade When the device is restarted important points The device should not be unplugged when updating ...

Страница 21: ...TROUBLE SHOOTING ...

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Страница 29: ...BLOCK DIAGRAM ...

Страница 30: ...EXPLODED VIEW ...

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