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LED TV

SERVICE MANUAL

CHASSIS

2851P838

MODEL :

ZL – 50SF6152 , ZL – 55SF6263

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

Содержание ZL-50SF6152

Страница 1: ...LED TV SERVICE MANUAL CHASSIS 2851P838 MODEL ZL 50SF6152 ZL 55SF6263 CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Страница 2: ...CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 25 TROUBLE SHOOTING 26 BLOCK DIAGRAM 34 EXPLODED VIEW 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: ...log TV signal Digital TV NICAM A2 USB HDMI V2 0 or 1 4a CVBS YPbPr and Coaxial output And audio amplifier which can support 2X8W 8Ω speaker output The program is built in Cortex A55 ARM quad core CPU main chip and Android 9 0 OS Also supports wired and wireless network connection you can browse the web internet play online video Main Promotion Power and backlight Spec Power Power Output Backlight ...

Страница 7: ...re marked with DVB T T2 C Functions HK T RT2851P838 COAX HEADPHONE YPBPR AV DVB T T2 C RJ45 HDMI 1 debug HDMI 2 HDMI 3 ARC USB 2 0 USB 2 0 Notes FRONT VIEW SIDE VIEW 3 FEATURE 3 1 FEATURE 1 Chipset RTD2851S 1 5G Byte DDR RTD2851E 2G Byte DDR Market Australia southeast Asia Middle East Africa and Colombia Panel Type TFT LED ...

Страница 8: ...AM 64QAM 256QAM DVB C 16QAM 32QAM 64QAM 128QAM 256QAM Video system MPEG 2 MPEG 4 H 264 H 265 AVS Sound system MPEG 1 layer 1 2 MPEG 2 layer 2 DRA Basic function EPG Subtitle Max Storage Channels 1000CH DVB T DVB C dynamic 5000CH DVB S S2 dynamic 3 2 FEATURE 2 Input Signal AV CVBS Video system PAL NTSC SECAM Video Level 1 0Vp p 5 HDMI Version Defaullt 1 4a Change to 2 0 through the menu HDCP HDCP 2...

Страница 9: ...ontrast adjustments Support DLTI DCTI video quality improvement Support Black white level extension and ACC Support 2D Y peaking filter and coring sRGB compliance and Gamma correction Scaling Support 4 3 16 9 with Non linear scaling Advanced Scaling Engine Other OSD language English Key definition VOL VOL CH CH MENU SOURCE POWER Interface Input ATV DTV 1 IEC 75 Ω CVBS 3 RCA terminal YPBPR 3 RCA te...

Страница 10: ...mpatible with Bluetooth V2 1 V4 2 Systems WIFI BT 2 4G 5G Model RTL8822BU WIFI Max Data Rate 866 7Mbps Operating Frequency 2 4GHz 5GHz Communications Standard IEEE 802 11 a b g n ac Bluetooth Max Data Rate 1 Mbps for Basic Rate 2 3 Mbps for Enhanced Data Rate Operating Frequency 2 4GHz Communications Standard V4 2 WIFI BT 2 4G 5G Model RTL8822CU WIFI Max Data Rate 866 7Mbps Operating Frequency 2 4...

Страница 11: ...4 1 2048x1080 60 160M 8 V H 265Main 10 pro 4 1 2048x1080 60 160M 8 9 10 V H 265Main profile 5 0 4096x2160 30 250M 8 V H 265Main 10 pro 5 0 4096x2160 30 250M 8 9 10 V H 265Main profile 5 1 4096x2160 60 250M 8 V H 265Main 10 pro 5 1 4096x2160 60 250M 8 9 10 V h 265 still picture pro 8192x4096 NA NA 8 V Geneic Motion JPEG 1920x1080 60 60M 8 V WMV Windows media video v9 1920x1080 60 100M 8 V VC1 VC 1 ...

Страница 12: ...M u law PCM V ADPCM IMA4 V AMR AMR NB AAMR WB AMR WB NA LPCM DVD LPCM NA RA COOK COOK RealAudio6 NA MPEG1 2 4 MPEG1 Layer1 2 V MPEG2 V MP3 V AAC MPEG2 AAC V MPEG4 AAC LC V MPEG4 HE AAC V1 V2 V Raac MPEG4 AAC LC V Racp mpeg4 he aac v2 V WMA WMA V7 V WMA V8 V WMA V9 V Dolby AC3 AC3 V Dolby Digital EX Dolby Digtal Plus Dolby TrueHD V Dnet AC3 V Dolby Eac3 Dolby Digital PLUS V Dolby Digital Plus Dolby...

Страница 13: ...ncluding SMT capacitors SMT resistors diodes transistors MOSFET connectors common inductance electrolytic capacitor PCB etc and having no obvious changes in appearance or color Our company has two or three alternative suppliers with these materials maybe we will alternative use these materials for follow up mass production due to delivery time stock or other reasons We no longer notice your compan...

Страница 14: ...L TOSHIBA KLM4G1FETE B041 Samsung THGBMJG6C1LBAIL TOSHIBA H26M41204HPR Hynix KLM8G1GETF B041 Samsung THGBMHG7C1LBAIL TOSHIBA KLMAG1JETD B041 Samsung LDO HH1118 HH HH1117 ADJ HH BL1117 BL CRYSTAL X 27 000MHz CREC X 24 000MHz CREC DC_DC MPS1655 MPS SY8113 SILERGY JW5057C JW SY8120 SILERGY JW5052C JW AMP AD52050B ESMT TPA3138D2 TI RDA3118E ...

Страница 15: ...YOUT 6 1 THE TOP VIEW OF HK T RT2851P838X 6 2 ANTENNA INSTALL VIEW It is recommended that the antenna be assembled as far as possible on the lower edge of the TV case Copper tube antenna recommended pad height 5 8mm ...

Страница 16: ...CB 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 17: ...from left PIN to right PIN or from up PIN to down PIN Below please see the definition and description from left PIN to right PIN or from up PIN to down PIN CN5 14Pin 2 0 TO IR KEY BOARD NO DEFINITION DESCRIPTION 1 5V 5V Power Supply 2 R Red Indicator 3 G Green Indicator 4 IR Remote Receive 5 GND GND 6 K0 SOURCE 7 K1 MENU 8 K2 P 9 K3 P 10 K4 V 11 K5 V 12 K6 POWER 13 K7 NC 14 GND Ground CN1 4 Pin 2 ...

Страница 18: ...TION DESCRIPTION 1 A3V3 3 3V Power Supply 2 C1SCL IIC1 Clock 3 C1SDA IIC1 Data 4 C2SDA IIC2 Data 5 GND Ground CN9 3 Pin 2 0 TO DEBUG NO DEFINITION DESCRIPTION 1 TX Serial Data Transmitter 2 RX Serial Data Receive 3 GND Ground CN11 51 Pin 0 5FIR TO V by one NO DEFINITION NO DEFINITION 1 Vin 27 GND 2 Vin 28 RX0N 3 Vin 29 RX0P ...

Страница 19: ... 11 GND 37 RX3N 12 GND 38 RX3P 13 GND 39 GND 14 GND 40 RX4N 15 NC 41 RX4P 16 NC 42 GND 17 NC 43 RX5N 18 SDA 44 RX5P 19 SCL 45 GND 20 NC 46 RX6N 21 NC 47 RX6P 22 LD_EN 48 GND 23 NC 49 RX7N 24 NC 50 RX7P 25 HTPDN 51 GND 26 LOCKN XW1 AC INPUT CONNECTOR NO DEFINITION DESCRIPTION 1 L LIVE 2 N NEUTRAL ...

Страница 20: ...n 0 35mA 240Vac input Input Fuse T5AL 250Vac 9 1 2 LED INPUT CHARACTERISTICS LED输入特性 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 Vadj 0 3 3 V Vadj 0V EFFICIENCY η 85 Von off 3 3V Vadj 0V RL Panel Vadj 22 KHz 28KHz 9 2 LED DRIVER POWER OUTPUT CONNECTOR CNW2 CNW3 CNW4 CNW5 3 pin 2 0 NO DEFINITION 1 LED 2 LED 3 LED OUTPUT PROTECT...

Страница 21: ...f on or the AC INPUT has been cycled off on with a off time of ten second 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 1 EN60065 3 IEC60950 IEC60065 4 GB494...

Страница 22: ...hat support the above mentioned media formats interface technologies others which may involve thir party technologies or intellectual properties your company is hereby kindly reminded as follows 1 The product price under the sale contracts between us does not include any royalties licensing fees or expenses payable to the IP right holders for acquiring the right to use the third party technologies...

Страница 23: ...ns including patented features and functions whether the features and functions are realized and practiced through the chips embodied in the Mainboard the Mainboard itself or through the TV sets embodying the Mainboard the buyer shall be responsible for obtaining appropriate licenses from the relating intellectual property right holders and other right holders acquiring appropriate permissions to ...

Страница 24: ...inboard application for certifying the Mainboard and the TV sets embodying the Mainboard and performing other duties and responsibilities which are necessary for complying with the law and regulations of the countries and regions where the Mainboard and the TV sets embodying the Mainboard were imported and sold ...

Страница 25: ...he TV and enter the password source 2580 to open the factory menu Factory Menu General Settings BootLogo LOGO Import Confirm 5 Operation LOGO Import option to import after successful import press power key long choose Restart to take effect 二 LOGO Export 1 Plug the U disk onto the TV and enter the password source 2580 to open the factory menu Factory Menu General Settings BootLogo LOGO Export Conf...

Страница 26: ...TROUBLE SHOOTING ...

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Страница 34: ...Feb 2021 ...

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