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LED TV

SERVICE MANUAL

CHASSIS

2936P538

MODEL :

ZL-32BF4142

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

Содержание ZL-32BF4142

Страница 1: ...LED TV SERVICE MANUAL CHASSIS 2936P538 MODEL ZL 32BF4142 CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Страница 2: ...CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 19 TROUBLE SHOOTING 20 BLOCK DIAGRAM 26 EXPLODED VIEW 27 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: ... is HK T RT2936P538X s power part is an energy efficient ultrathin DC line switching power supply unit with max 55 watts multi output Main Promotion Power and backlight Spec Power Power Output Backlight Value Backlight Connectors 55W 12V和19V 30V 44V 25W 2PIN 2 0 2PIN 2 0 2PIN 2 0 3PIN 2 0 55W 12V和24V 45V 63V 25W 55W 12V和36V 64V 94V 25W Note 1 The accuracy of backlight current is 5 2 STANDARD CONFI...

Страница 7: ...etext 1000Pages Max Storage Channels 100CH NTSC System Video System NTSC PAL N PAL M Sound System M N CC CC1 2 3 and4 Text 1 2 3 and 4 XDS eXtension Data Service 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...

Страница 8: ...er AC90 264V Input Power Normal and Low power mode Operate Standby 0 5W Manage 5V 12V Panel Voltage 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 Video decoder Picture 3D De interlacing with Low Angle Detection De interlace MPEG De Block De ringing ...

Страница 9: ...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 MPEG MPEG1 O 768x576 MPEG2 MP HL O 1920x1080 H 264 H 264 BP LV4 0 O 1920x1080 H 264 MP LV4 0 O 1920x1080 H 264 HP LV4 0 O 1920x1080 MPEG MPEG 4 SP HL 3 0 O 1920x1080 MPEG 4 ASP HL ...

Страница 10: ... H 264 MVC O 1920x1080 AVS AVS Jizhun Profile LV6 0 O 1920x1080 rm rmvb RM RV 8 rv30 O 1920x1080 RV 9 rv40 O 1920x1080 RV 10 rv40 O 1920x1080 flv FLV FLash Video 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 Movie format by Audio codec File Extension Container P N Audio Decoder For MM Video Extern al avi AVI Audio Video Interleave Generic MTK wav PCM ADP...

Страница 11: ...G4 HE AAC O mpg mpeg vob PS Program Stream Generic MTK MPEG1 Layer1 2 O MP3 MPEG1 Layer3 O PS System Layer don t have MP3 flag in spec DVD LPCM O Others ts TS Transport Stream Generic MTK MPEG1 Layer1 2 O DVD LPCM O DRA O H 264 MPEG2 AAC AAC LC O MPEG4 AAC LC O MPEG4 HE AAC O rm RM RealMedia Generic MTK cook COOK RealAudio6 O H 264 raac MPEG4 AAC LC RealAudio9 O racp MPEG4 HE AAC RealAudio10 O flv...

Страница 12: ...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 company the alternative materials used If ne...

Страница 13: ...TYPE BACKUP BRAND SPI FLASH GD25Q64 GigaDevice W25Q64 EN25Q64 Winbond EON LDO HH1117 ADJ HUAHONG BL1117 BEILING AP1117 AP CRYSTAL X 24 000MHz ML X 24 000MHz FL X 27 000MHz ML X 27 000MHz FL DC_DC SY8113BADC SILERGY XC8113 XC SY8120B1ABC SILERGY XC8112B XC AMP R3118E RDA OB6228R On Bright AD52050 ESMT ...

Страница 14: ...6 FUNCTION LAYOUT 6 1 THE TOP VIEW OF HK T RT2936P538X ...

Страница 15: ...ow please see the definition and description from left PIN to right PIN or from up PIN to down PIN CN10 2X15 Pin 2 0 TO LVDS NO DEFINITION NO DEFINITION 1 VCC 2 VCC 3 VCC 4 GND 5 GND 6 NC 7 RX00 8 RX00 9 RX01 10 RX01 11 RX02 12 RX02 13 GND 14 GND 15 RX0C 16 RX0C 17 RX03 18 RX03 19 RXE0 20 RXE0 21 RXE1 22 RXE1 23 RXE2 24 RXE2 25 GND 26 GND 27 RXEC 28 RXEC 29 RXE3 30 RXE3 ...

Страница 16: ...round 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 N O DEFINITION DESCRIPTIO N 1 5 V 5V Power Supply 2 R Red Indicator 3 G Green Indicator 4 I R Remote Receive 5 G N D GND 6 K 0 SOURCE 7 K 1 MENU ...

Страница 17: ...VE 2 N NEUTRAL 9 ELECTRICAL CHARACTERISTICS 9 1 AC INPUT CHARACTERISTICS Input Minimum Nominal Maximum Unit Voltage 90 100 240 264 V Current 2 A Frequency range 50 60 5 Hz Efficiency Full Load 80 minimum at 220Vac Standby Power Consumption 0 5W 240Vac input and no load condition Leakage Current Less Than 0 35mA 240Vac input Input Fuse T3 15AL 250Vac ...

Страница 18: ...OFF HIGH 2 5V ON EFFICIENCY η 85 Von off 3 3V Vadj 100 RL Panel 9 3 LED DRIVER POWER OUTPUT CONNECTOR CNW2 CNW3 2 pin 2 0 INVERTER NO DEFINITION 1 LED 2 LED CNW4 CNW5 3 pin 2 0 INVERTER NO DEFINITION 1 2 LED 3 LED 9 4 OUTPUT PROTECTION SPECIFICATION Signal Name LED Short Protection LED Open Protection Specification Specification LED output Auto restart Shut down or auto restart ...

Страница 19: ...ance with the following Criterion 1 UL60950 UL60065 2 EN60950 EN60065 3 GB4943 19950 GB8898 2001 10 2 ISOLATION HI POT Input To Output 3000Vac 50Hz 1minute 10mA Input To FG 1500Vac 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 ...

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 28: ...EXPLODED VIEW ...

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