Haier TV-8888-35 Service Manual Download

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HAIER

COLOR TELEVISION

SERVICE MANUAL

PART # TV-8888-

HAIER AMERICA TRADING, LLC

www.haieramerica.com

Summary of Contents for TV-8888-35

Page 1: ...1 HAIER COLOR TELEVISION SERVICE MANUAL PART TV 8888 35 HAIER AMERICA TRADING LLC www haieramerica com ...

Page 2: ...ain feacture 46 inch WXGA PDP Display Panel DVI PC Input Terminal Including XGA VGA PIP Picture in Picture Multiple Signals Inputing WOW Sound Processing System Power Supply Managenent Function Haier Group NO M AM US P46C6A A1 PW Edition 2004 2 30 ...

Page 3: ...5 6 Introduction of PDP circuit board 6 6 1 The introduction of circuit board at Back board 6 6 2 Explanation Function Characteristic 6 6 3 The block diagram 7 6 4 Function 7 6 5 The definition of connector 8 6 6 Detail Introduction of PDP circuit boards 9 7 Abnormal Phenomena 13 8 Short Repair Show 14 9 Principle Flow chart 17 10 Bom list 18 11 Repair Record 24 11 1 Record sheet For reference 24 ...

Page 4: ...uct code illumination and Series Introduction P 46 C 6A A 1 2 Type of the display panel P PDP Model series number of the cabinet Screen size unit inch Manufacturer of the display panel C CPT Aspect ratio 16 9 Company of Signal processor IC A Pixel works ...

Page 5: ... video module also provides two sets of stereo audio input connectors RCA The product supports PC image resolutions up to XGA 1024х768 with a vertical frequency of 85HZ b Power Management Function The machine provides an automatic power control function c Fan free Design The unit does not require any fans for ventilation eliminating any bothersome noise that may be generated It also lowers the pow...

Page 6: ...ire resist and endure high voltage So when replace these parts should use the same characteristic components So when replace a component should according to the BOM form for a assigned component 4 5 Stable the components and recovery the wiring Some components are using isolated sleeve or adhesive tape to isolate from the electric board Moreover the interior wiring should be arranged again to prev...

Page 7: ...n using a screwdriver to unfasten the screws which fasten the back cover 2 after taking apart as Fig 2 shown 5 3 Note 1 Make sure that the power is off before taking apart 2 After taking apart put the screws at a safe place to avoid losing 3 Taking apart and installing the back cover be careful not to pull out the switch of AC power switch 5 Photo of PDP taking apart ...

Page 8: ... board c DIF Dealing with the digital signal for output to panel d X Sustainer Y Sustainer 1 Receiving the signal from DIF 2 Output scanning waveform e X Y Extension board Receive signal from X Y sustainer output horizontal scanning waveform to the panel f W Extension board Receive signal from DIF output the vertical scanning waveform addressing data g Audio Board Amplifying the audio signal to th...

Page 9: ... VIF receives the 5 volts then generates 5 volts to power board through CN connector pin1 pin6 and it means that DIF has received 5 volts already b When power on key pad or receiver the VIF send VCC_ON signal to power to start Vcc and Vf voltage through CN connector pin2 c The VIF sends HV_ON signal to power board to start high voltage Vs Vxg Vw through CN connector pin4 d At the same time the sig...

Page 10: ...e Vxg NC GND GND VAU Voltage 160V 0 0 15V J12 PC1 TO KEY PAD Pin 1 2 3 4 5 6 7 8 Name Power Right Left Up Down Menu Input GND J11 PC1 TO 接收板 Pin 1 2 3 4 5 6 Name NC Red LED Green LED GND IR Receiver 5V J17 PC1 TO AUDIO AMP Pin 1 2 3 4 5 6 Name MUTE L OUT GND R OUT GND SW SPEAKER J16 PC1 TO POWER Pin 1 2 3 4 5 6 7 8 9 10 Name Std 5V Low on NC High on NC GND Power loss GND J15 PC1 TO POWER Pin 1 2 3...

Page 11: ...n PDP so we need a interface to transfer these signals to a specified signals for PDP to display and this is the function of VIF Video Interface c Basic framework of VIF board For dealing with the signals of CVBS S video and Component it requires a video decoder IC And the output of video decoder will input to a de interlace chip IC for a stable image quality Because the TV system uses interlace s...

Page 12: ...A S video fig B Component fig C and its outputs are digital Y Luminance C Chromacity signals And also can adjust brightness contrast saturation hue c 4 De interlace SIL504CM208 The Sil504 transfer interlacing signals to progressive signals The advantage of progressive signals is that the scanning rate doubling to let the screen more stable and non flickering Besides the sources of input may have 2...

Page 13: ... The IC of microprocessor become standby status waiting for a startup signal from key pad or receiver d 2 When a startup signal is detected then microprocessor sending a ON signal to the power board through CN connector and the power board begins generating all voltage to PCB board Vs Vxg Vw Vf Vdd Vcc 9volts At the same time VIF will generate background light and OSD menu as select After searchin...

Page 14: ...th for outer and inner speakers exchange It connects to 300V from main power supply on the module from socket CN5601 M5502 connects to inner speakers by cable M5503 connects to outer speakers socket boards by cable M5501 connects to VIF and receives the R L audio signal MUTE SWITCH control signal The inner output power is up to 4w And the outer ouput power is up to 20w together on 4ohm impedance 1...

Page 15: ...picture is not enough j Picture abnormal such as picture flicker k Can not turn on the set LEDs do not work 7 5 Y Bulk Sustainer a Can not turn on the set If disconnect the cable from power supply to Y sustainer the set works but the picture is dark It means that Y sustainer is abnormal b Power output voltage is normal but the picture is dark c When the set works normally the temperature of the co...

Page 16: ...ne part has picture the other has no and the picture is from left to right please check the X connecter board and the X sustainer board 8 5 If the picture is vague or the picture of the upper or the lower part is dark please check the Y connecter board and the Y sustainer board 8 6 Please check whether the corresponding W board and the connect cords are in good condition otherwise the module is if...

Page 17: ...ks IC doesn t weld well please replace the PC1 board 8 10 Trouble of the DIF and the W connect cords or the connect jack 8 11 There are many dark flicking bright dot defect or a single or multi pieces of line always appear in the screen please replace the PDP module 15 Vs VCC Vf Vw Vxg VSTB VAU Short Repair Show ...

Page 18: ... Screen Hue Color Eye view 11 OSD AUDIO Mute Balance Eye view remote 12 OSD INPUT PC1 HDTV AV1 AV2 Eye view remote 13 OSD VIDEO Color Temp Gamma Eye view remote 14 OSD VIDEO Brightness Contrast Eye view remote 15 OSD FUNCTION Information Default Eye view remote 16 OSD DISPLAY Aspect Ratio Zoom Eye view remote 17 Signal terminal Factory default key pad function Eye view 18 Signal terminal PC TIMING...

Page 19: ...28 27 25 24 SDA 5V SCL 5V IC1A 15 16 J12 U23 J17 U31 WOW EN 5 U32 J15 J11 RN21 RN22 RN13 RN14 13 87 GRO0 7 BAIN0 R23 R22 R11B R6B R8B R5B R10B R9B SCL 31 R24 R25 BAIN0 BAIN0 BAIN0 32 C25 C28 C22 C27 BAIN1 20 SDA 23 BAIN0 GAIN1 GAIN1 17 16 C23 C19 C18 70 44 43 42 45 RN12 RN11 GBO0 7 57 64 77 80 GGO0 7 GBE0 7 RN10 RN9 RN8 RN7 U1 RN23 RN24 U2 32 BIT DATA U4 GGO0 7 GBO0 7 4 1a U6 RP2B RP1B RP5B C24 RA...

Page 20: ...Record 11 1 Record sheet For reference Item Repair date Defective description Repair condition Replace parts Finished date Signature 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 24 Repair Record ...

Page 21: ...25 Tel 86 532 8939999 Web side http www haier com Haier Group ...

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