Related Manuals for Haier TV-8888-35
Summary of Contents for Haier TV-8888-35
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Page 1: Service Manual
HAIER COLOR TELEVISION SERVICE MANUAL PART # TV-8888-35 HAIER AMERICA TRADING, LLC www.haieramerica.com... - Page 2 Service Manual 46EP14S SERIES PDP COLOUR TV Main 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...
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Page 3: Table Of Contents
Contents 1.Contents 1.Contents ...............................1 2.Product code illumination and Series Introduction ..........2 3.FEATURES ............................3 4.Safety measures and Attention ....................4 5. Photo of PDP taking apart: ....................5 5.1 Photos of taking apart: .......................5 5.2 Procedure: ..........................5 5.3 Note: .............................5 6. Introduction of PDP circuit board: ..................6 6.1 The introduction of circuit board at Back board: ..........6... -
Page 4: Product Code Illumination And Series Introduction
Product MATERIAL CODE illumination and Series 2.Product code illumination and Series Introduction P 46 C 6A– A 1 Aspect ratio: 16:9 Company of Signal processor IC A: Pixel works Model series number of the cabinet Manufacturer of the display panel C: CPT Screen size (unit: inch) Type of the display panel P: PDP... -
Page 5: Features
Features 3.FEATURES The 46” PDP provides quality image displays and is suitable for a variety of multimedia applications. a. Available Input signals: The standard PC module provides RGB (D-SUB15 PIN) and digital DVI input connectors, and a RS-232 communication connector (D-SUB 9 PIN MALE). The Video module provides composite video (RCA), S-video (DIN4P) and component video (RCA) input connectors, and a composite video (BNC) output connector. -
Page 6: Safety Measures And Attention
Safety measures and Attention 4.Safety measures and Attention 4.1. Observation and measures carefully： When in repair service, should pay attention to these safety measures and the description of the service menu. 4.2.Preparation: The preparation for repair in a defective PDP is necessary, ex：stable working table, repair tools, measuring equipments, replace parts etc. -
Page 7: Photo Of Pdp Taking Apart
Photo of PDP taking apart 5. Photo of PDP taking apart: 5.1 Photos of taking apart: 5.2 Procedure: 1. First put on the PDP on a stable working table and power off the PDP which is going to repair, then using a screwdriver to unfasten the screws which fasten the back cover. -
Page 8: Introduction Of Pdp Circuit Board
Introduction of PDP Circiut board 6. Introduction of PDP circuit board: 6.1 The introduction of circuit board at Back board: 6.2 Explanation：(Function / Characteristic) a. POWER： (1).Input Voltage (AC 110V-240V、47Hz-63Hz)，Max. range 90V-265V. (2).Providing electrical power to all the PCB. b. VIF：Transfer S-video , Video , PC(D-sub& DVI) , HDTV signal to digital signal to the DIF board. -
Page 9: The Block Diagram
Introduction of PDP Circiut board 6.3 The block diagram: 6.4 Function: a. The input voltage AC 90 ~ 240 through line filter to the power board , after main switch is on then power board generate 5 volts to VIF board. The VIF board after receiving 5 volts then from CN connector send signal(5 volts) to power board .Power board generates 5 volts to DIF and VIF .When VIF receives the 5 volts ,then generates 5 volts to power board through CN connector(pin1 ,pin6) ,... -
Page 10: The Definition Of Connector
Introduction of PDP Circiut 6.5 The definition of connector: ⑴ PY POWER TO Y-SUSTAINER Name Voltage 170V ⑵ PX1 POWER TO X-SUSTAINER Name Voltage 170V ⑶ PX2 POWER TO X-SUSTAINER Name Voltage -160V ⑷ J12 PC1 TO KEY PAD Name Power Right Left... -
Page 11: Detail Introduction Of Pdp Circuit Boards
Introduction of PDP Circiut 6.6 Detail Introduction of PDP circuit boards 6.6.1 VIF Board: a. Summary: General digital video signals include Vsync、 Hsync、 R(8Bit)、 G(8Bit)、 B(8Bit) and Data Enable (Blank);the VIF of PDP is making for processing these digital signal. Because PDP belonging a high end product , so its application should include the functions of Monitor (analog VGA , digital DVI signal input). - Page 12 Introduction of PDP Circiut Out to DIF Scalar D-SUB Chip Converter TMDS Receiver Interlace Y/Cb/Cr S-Video Micro- Video Composite Controller Decoder c-1. ADC Converter:AD9888 The AD9888 is a complete 8 bit , 205 MSPS monolithic analog interface optimized for capturing RGB graphics signals. Its 205 MSPS encode rate capability and full-power analog bandwidth of 500 MHz supports resolutions up to UXGA(1600 x1200 @ 75 Hz).
- Page 13 Introduction of PDP Circiut c-5 Image Processor chip:PW171-20U(system on chip) ◎ Scaling function : The Image scalars provide high quality up and down image scaling. For the applications of VIF, the input signals could be VGA, SVGA, XGA formats, and its output fixed at 852 x 480 @60 HZ.
- Page 14 Introduction of PDP Circiut 6.6.3 X/Y Sustainer Board: Function: Receive the signal from DIF.And output high voltage scan signal to panel. 6.6.4 Audio Amplifier Board: Function:It comprises special swith mode power supply and audio amplifier and electronic swith for outer and inner speakers exchange. It connects to 300V from main power supply on the module from socket CN5601.
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Page 15: Abnormal Phenomena
Abnormal Phenomena 7.Abnormal Phenomena: 7.1 VIF board: a. colour absence or colour step not good. b. No sound from the speakers,but there was noise output. c. Power supply is normal,there were OSD and backgroud light on the panel,but not picture. d. -
Page 16: Short Repair Show
Short Repair Show 8. Short Repair Show: 8.1 No picture and Red LED does not light, please make sure the main power swith on and to check the fuses on the power supply board and power filtering board. 8.2 Turn on the main power switch, the green LED lights. But there was no picture. Please check VIF or DIF or X sustainer or Y sustainer. - Page 17 Short Repair Show VSTB 8.9 If many details of the picture are short of, or the pixels of the picture are not discontiguous, the Pixel works 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.
- Page 18 Short Repair Show 8.12 Inspection: PDP SET inspection items after finishing repair : Item Classified Inspection item Method Remark Appearance Back cover screw shortage Eye view Appearance Screen Filter scratch Eye view Appearance Terminal loosing Eye view Optional Reliability voltage / frequency variation POWER SUPPLY Optional Reliability...
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Page 19: Principle Flow-Chart
Principle Flow-chart 9. Principle Flow-chart: IC1N FROM PW171 3.3V 1,9,17,26,32,34,44 CRYSTAL RN50 RN47 PARALLEL WOW-EN-5V HV-ON-5V RST-DVDO-5V WOW-EN-5 SPK-SW-5V BUFFER/LINE DRV CRYSTAL RN58 RN57 RN54 RN53 RN56 RN55 RN49 RN48 DOGRN0-7 DOBLU0-7 SPK-SW DORED0-7 RST-DVDO5V HV-ON PWR-ON WOW-EN MUTE-5V ADRESS1-19 DATA0-15 CS2n CS0n... -
Page 20: Bom List
Repair Record 11. Repair Record: 11.1 Record sheet: For reference Item Repair Defective Repair condition Replace parts Finished Signature date date description... - Page 21 Haier Group Tel:86-532-8939999 Web side:http://www.haier.com...