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BBK 79 Series Service Manual
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BBK 79 Series Service Manual

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SERVICE MANUAL
MODEL
SAFETY PRECAUTION
SPECIFICATION
BLOCK DIAGRAM
CIRCUIT DIAGRAM
FACTORY MODE&ADJUSTMENT
UPGRADE SOFTWAR
TROUBLE SHOOTING
APPENDIX
：　７９　Ａｎｄ　８９　Ｓｅｒｉｅｓ
（ＳＯＵＲＴＩＯＮ　ＭＳＴ１８２ＶＧ）
CONTENTS

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Summary of Contents for BBK 79 Series

  • Page 1 SERVICE MANUAL ：　７９　Ａｎｄ　８９　Ｓｅｒｉｅｓ MODEL （ＳＯＵＲＴＩＯＮ　ＭＳＴ１８２ＶＧ） CONTENTS SAFETY PRECAUTION SPECIFICATION BLOCK DIAGRAM CIRCUIT DIAGRAM FACTORY MODE&ADJUSTMENT UPGRADE SOFTWAR TROUBLE SHOOTING APPENDIX...
  • Page 3 Ｐｒｏｄｕｃｔ　Ｓｐｅｃｉｆｉｃａｔｉｏｎ LEM3279 LEM3279F LEM4289F Modle LEM3289 LEM3289F LEM4079F LEM4289F Dimension (см) Driver Element A-si TFT active matrix Aspect Ratio 16:9 176x176 178x178 Display Viewing Angle (° ) Resolution 1366x768 1920х1080 1920х1080 1920х1080 Response time (ms) Brightness (cd/m2) Contrast 1500:1 4000:1 5000:01:00 5000:1 Display Colors...
  • Page 4 Output Power (1 KHz 10% THD ) 2X8W NICAM / STEREO Audio Bass Treble Balance OSD Language Russian , English Video Inputs PAL, SECAM, NTSC 3.58, NTSC 4.43, PAL60 Color Systems 1366х768 1920х1080 Supported Video Inputs Resolutions DVI-HDMI: RGB/60 Hz 640x480 800x600 1024x768 HDMI HDMI-HDMI: YUV/50 Hz 576p 720p 1080i 1080p;...
  • Page 7 Ｃｉｒｃｕｉｔ　Ｄｉａｇｒａｍ　ｆｏｒ　Ｍａｉｎ　Ｂｏａｒｄ...
  • Page 11 Ｃｉｒｃｕｉｔ　Ｄｉａｇｒａｍ　ｆｏｒ　Ｔｏｕｃｈ　Ｋｅｙ　Ｂｏａｒｄ...
  • Page 12 Ｃｉｒｃｕｉｔ　Ｄｉａｇｒａｍ　ｆｏｒ　ＩＲ　Ｂｏａｒｄ...
  • Page 13 Ｃｉｒｃｕｉｔ　Ｄｉａｇｒａｍ　ｆｏｒ　Ｔｏｕｃｈ　Ｋｅｙ　Ｂｏａｒｄ...
  • Page 16 FACTORY MODE AND ADJUSTMENT 1) How to enter service mode Press “Source” button on the remote control, then press”2580”, the service menu will be displayed. Press “2580” Source...
  • Page 17 2) Service mode description Color Temp: select a color temperature mode that you want to adjust; R Gain: red gain for white balance adjusting; G Gain: green gain for white balance adjusting; B Gain: blue gain for white balance adjusting; R Offset: red offset for white balance adjusting;...
  • Page 18 Main Board Software upgrade 1 Please burn the software to USB device. Noted please, software name have to be MERGE182.bin. 2 Power on TV, and switch source to ATV. 3 Insert USB device to TV, then screen will display a message window to inform you upgrade TV or not.
  • Page 21 are fully insert...
  • Page 26 USB Repair Flowchart START Enter USB mode Insert USB device Can’t find the Check the USB device are Fully Reinsert the device USB device Insert Check the USB device is normal...
  • Page 27 APPENDIX 32 Inch Power Supply Board Specefication (CUSTOMER) (DESCRIPTION) 32 LED LIPS    PARD NO (VERSION NO) VER00.00 ( DATE ) 2012-3-7 & ' ( ) (DESIGN VALIDATION) *+,DESCRIBED- ./,CHECKED- 01(APPROVED) -RGB  SHENZHEN SKYWORTH-RGB ELECTRONICS CO.,LTD.  ADD: Skyworth Science Industrial Park,Tangtou Industrial Zone,Shiyan Town,Baoan District,Shenzhen,China.
  • Page 28  (Contents) !" y #########################3 1. $%General Description #########################4 & Electrical Specification#####################4 2.1 '()*Input Electrical Characteristics ##############4 2.2 '+)*Output Electrical Characteristics##############4 2.2.1 '+ , -./0Output Voltage &Current Regulation ######4 2.2.2 '+12345DC Output Ripple & Noise #############4 2.2.3 '+6789 ############5 Output Transient Response 2.2.4 '+:;<=DC Output Hold-Up Time ###############5 2.2.5 '+>?<=DC Output Voltage Rise Time#############5 2.3 @ABCRemote On/Off Control####################5...
  • Page 29 " " Remark (Date) (Revision) (Description) 2011.11  -RGB  3   13   13   1 ...

  • Page 30: General Description

    1. $%General Description 2 3456 327 LED 89:; 32 <=>?@ 4 AB>CABDE FGH 130mAI; 32 <9J>?@+5V/+12V/+24 @ >KL FGMNH+24V/2.0AO+12V/2.0AO+5V/0.5A: ,This power supply is suitable for 32" LED TV. For 327 LED panel, supplies 4 channels, each channel nominal current value is 130mA; for 32” movement, supplies +5V/+12V/+24 power, rated current value +24V/2.0AO+12V/2.0AO+5V/0.5A.- &...
  • Page 31 2.2.2 PQ !"#DC Output Ripple & Noise PQ !"# PQ R & Noise Max) (Remark) (Output Voltage) (Ripple 1) (  ) * & + ^ 20 , - . / +24V &240mVp-p@25'; Measurements shall be made with an oscilloscope with 20MHz bandwidth. 2) PQ*01 0.1uF Z23 4! 10uF Z &120mVp-p@25';...
  • Page 32 than 2.5V. 5.0V H QR^: The +5V is on whenever the AC power is present. On/Off ST V W G U V G V W G ,On/Off Signal- ,Min- ,Type- ,Max- ,Outputs- X L,High- Output Y L,Low- Unable Z[,Open- Unable ON/OFF STMR \],Circuit Block Diagram Of The On/Off- ^ 2.4 :DBCProtection 2.4.1 PQNR_,DC output Over Voltage Protection-...
  • Page 33 2.5 <JPower Sequence ON/OFF +12V +24V ,Item- (Value) (Unit) ,Remark- 2.6 KLMNBacklight Part 2.6.1 P ,Backlight Input Electrical Characteristics- (Parameter) (Symbol) (Min) (Type) (Max) (Unit) (Remark) 22.5 27.5 (Input Voltage) (Input Current) P U 37.5 49.5 (Input Power) 2011.11  -RGB  7   13   13   7 ...
  • Page 34  R Off State Von/off (On/Off Voltage) On State 7*S Analog Dimming- PWM S Vadj (PWM Dimming) 100% (Duty Cycle) PWM S U (Frequency) NTSC (Efficiency) 2.6.2 PQ,Backlight Output Electrical Characteristics - (Parameter) (Symbol) (Min) (Type) (Max) (Unit) (Remark) F ,- (LED Ibri Current(Bright) F ,- (LED...
  • Page 35 ,Item- (Value) (Unit) ,Remark- G500 G500 2.6.1 P ,Backlight Input Electrical Characteristics-*(CCFL) (Parameter) ,Symbol- ,Min- ,Type- ,Max- ,Unit- ,Input Voltage- ,Input Current- P U ,Input Power- 7*S Analog Dimming- PWM S (PWM Dimming) (Duty Cycle) PWMS U (Frequency) NTSC  R ,Inverter On- !\_,Open Lamp Protection-...
  • Page 36 2.7 QORSTUMatch Notes "+24V #$ +24V Standby without power off &VWElectrical Test 3.1 XGFGVY(Open Short-circuit Test) XRPQ>&\' \()PQ> \ *_+8>,PQ: High-voltage output, either open or short circuit a set of output, the circuit need to protect the state office, no output 3.2 RSTUWariness Item m - -./`0.1 2000V 34ZXR>...
  • Page 37 N?O@ PQCDE (EFT) GB17626.4-1998/IEC61000-4-4 Lever 3 CDE(SURGE) GB17626.5-1998/IEC61000-4-5 Lever 3 RRS(DIP) GB17626.11-1998/IEC61000-4-11 Class B/C Environmental Requirement `TE,Operating-: -0' to +40' UVTE(Temperature) RWTE,Store-: -20' to +55' `, Operating - : From 20%to90% relative humidity (non-condensing UVXE(Humidity) RW,Store-: From 10 to 95% relative humidity (non-condensing) `,Operating-: to10,000 ft YZXE(Altitude)

  • Page 38: Mounting Dimension

    BL_ADJUST BL_ON/OFF CN400 10 2.0mm E  ,2.0mm Pitch Single Row 10 Pins Right-angle- T,NO.- T,Symbol- ,Description- LED- LED- LED- LED- LED- LED- LED- LED- LED+ LED+ LED+ LED+ )*Mechanical Characteristic Physical Dimension 200*222*12.5mm( L * W * X H ) 9.2 Weight * 360+30g 9.3 \Mounting Dimension...
  • Page 39 The PCB board surface height limit is 12.5mm,weld foot height is 2mm. (\,S-) 9. '(Packaging, Transport, Storage) 10.1 Packaging 5H ./EOVTODOZJO+ !": Box on the product name, model, identification, quality inspection department certification, the date of manufacture and so on. 10.2 'Transport 4:6#O$O%9&P>&P0:'(O)*O+,5-: Adapted to cars, boats, aircraft transport, transportation should be awning, sunscreen,...

  • Page 40: Specification

    39 Inch Power Supply Board Specefication SPECIFICATION FOR MODEL NO P39EQL SWITCHING POWER SUPPLY VERSION 1.0 < > Mar 14. 2012 DESCRIPTION SPECIFICATION FOR SWITCHING POWER SUPPLY MODEL NO. 168P- P39EQL-W0 APPROVED BY CHECKED BY DESIGNED BY PREPARED BY Page 1 of 10...
  • Page 41 39 inch SWITCHING POWER SUPPLY Spec. Rev. Sample Rev. Date Description Safety by Mechanical by Electrical by REV1.0 Page 2 of10...
  • Page 42 39 inch SWITCHING POWER SUPPLY 1.1 Input Electrical Characteristics Overview 1.2 Output Electrical Characteristics Overview Output Voltage ,Current & Regulation. DC Output Ripple & Noise. Output Transient Response. DC Output Hold-Up Time. DC Output Overshoot At Turn On & Turn Off. DC output voltage rise time 1.3 Remote On/Off Control 1.4 Protection:...
  • Page 43 39 inch SWITCHING POWER SUPPLY 1. Power Supply Overview 1.1 Table 1 Input Electrical Characteristics Overview 1.2 Output Electrical Characteristics Overview 1.2.1 Table 2 Output Voltage ,Current & Regulation. Output Voltage Regulation Min. current Rated current Peak current +24V +24V 10% 0.1A 2.0A 3.0A *...
  • Page 44 39 inch SWITCHING POWER SUPPLY 1.2.3 Output Transient Response. Table 4. Test condition. Voltage Tolerance Limit Slew Rate Load Change +12V/+24V/+5.0V 5% 0.2A/uS Min. to 50% load and 50% to Max load +12V/+24V/+5.0V 10% 0.2A/uS Min. load to Max load Note: Transient response measurements shall be made with a load changing repetition rate of 50Hz to 10kHz.
  • Page 45 39 inch SWITCHING POWER SUPPLY 1.3 On/Off Control ON/OFF The power supply DC outputs (Without +5Vsb)shall be enable with a high-lever which more than 2.5V. ON/OFF 2.5V . The +5Vsb is on whenever the AC power is present. Table 8. Comments Outputs Ps-on- high...
  • Page 46 39 inch SWITCHING POWER SUPPLY Note: 2.2 Table 13 Note: Open FG and Output return. Safety 4.1 EMI 4.2 EMS Page 7 of10...
  • Page 47 39 inch SWITCHING POWER SUPPLY 5. Environmental Requirement 5.1 Temperature * Operating: * Store: 5.2 Humidity * Operating: From 10%to90% relative humidity (non-condensing). * Store: From 5 to 95% relative humidity (non-condensing). 5.3 Altitude * Operating: to10,000 ft. * Store: to 20,000ft.
  • Page 48 39 inch SWITCHING POWER SUPPLY 8. Pin Connection Table 14 Pin-CN300 Connection And Function Pin Connection Function Note: CN300 TYPE : 2.5mm Table 15 CN200 Connection And Function Note: CN200 -- JST VA CONNEETION, TYPE : 2.0mm Page 9 of10...
  • Page 49 39 inch SWITCHING POWER SUPPLY Table 16 CN101 Connection And Function Pin Connection Function Note: CN101 TYPE : WAFER 7.92MM 3PIN 9. Power Supply Mounting Page 10 of10...
  • Page 50 42 Inch Power Supply Board Specefication SPECIFICATION FOR MODEL NO 42E65 SWITCHING POWER SUPPLY VERSION 1.0 <2012-2-27> DESCRIPTION SPECIFICATION FOR SWITCHING POWER SUPPLY MODEL NO. 168P- P42EWB-W0 APPROVED BY CHECKED BY DESIGNED BY PREPARED BY Page 1 of 11...
  • Page 51 42 inch SWITCHING POWER SUPPLY Spec. Rev. Sample Rev. Date Description Safety by Mechanical by Electrical by REV1.0 Page 2 of 11...
  • Page 52 42 inch SWITCHING POWER SUPPLY 1.1 Input Electrical Characteristics Overview 1.2 Output Electrical Characteristics Overview Output Voltage ,Current & Regulation. DC Output Ripple & Noise. Output Transient Response. DC Output Hold-Up Time. DC Output Overshoot At Turn On & Turn Off. DC output voltage rise time 1.3 Remote On/Off Control 1.4 Protection:...
  • Page 53 42 inch SWITCHING POWER SUPPLY 1. Power Supply Overview 1.1 Table 1 Input Electrical Characteristics Overview 1.2 Output Electrical Characteristics Overview 1.2.1 Table 2 Output Voltage ,Current & Regulation. Output Voltage Regulation Min. current Rated current Peak current +24V +24V 10% 0.1A 3.5A 4A *...
  • Page 54 42 inch SWITCHING POWER SUPPLY 1.2.3 Output Transient Response. Table 4. Test condition. Voltage Tolerance Limit Slew Rate Load Change +12V/+24V/+5.0V 10% 0.2A/uS Min. to 50% load and 50% to Max load +12V/+24V/+5.0V 10% 0.2A/uS Min. load to Max load Note: Transient response measurements shall be made with a load changing repetition rate of 50Hz to 10kHz.
  • Page 55 42 inch SWITCHING POWER SUPPLY ON/OFF . The +5Vsb is on whenever the AC power is present. Table 8. Comments Outputs Ps-on- high Output Ps-on- low Ps-on-open 1.4 Protection: 1.4.1 Table 9 DC output Over Voltage Protection. Output Voltage Max. Over Voltage Comments +24V 26.5-32V...
  • Page 56 42 inch SWITCHING POWER SUPPLY Ps-on Isolation 2.1 Table 12 Note: 2.2 Table 13 Note: Open FG and Output return. Safety 4. Environmental Requirement 5.1 Temperature * Operating: * Store: 5.2 Humidity * Operating: From 10%to90% relative humidity (non-condensing). * Store: From 5 to 95% relative humidity (non-condensing). 5.3 Altitude * Operating: to10,000 ft.
  • Page 57 42 inch SWITCHING POWER SUPPLY 5. Dimension * 247.0mm X 164mm ( W ). 7. Weight 8. Pin Connection Table 14 Pin-CN2Connection And Function Pin Connection Function Note: CN2 TYPE : 2.0mm 13PIN Table 15 Pin-CN3 Connection And Function Pin Connection Function Page 8 of 11...
  • Page 58 42 inch SWITCHING POWER SUPPLY Note: CN300 TYPE : 2.5mm Table 16 CN4 Connection And Function Pin Connection Function Note: CN4A TYPE : WAFER 7.92MM 3PIN 9. Power Supply Mounting Page 9 of 11...

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