Hisense PDH4239EU Product Safety Servicing Guidelines Safety precautions, Product Safety notice

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PDP TV Service Manual

Product Safety Servicing Guidelines

CAUTION: BEFORE SERVICING THE CHASSIS, READ THE “SAFETY PRECAUTION” “PRODUCT SAFETY NOTICE”ON PAGE 3 OF THIS MANUAL.

1. Safety precautions

WARNING:

Service should not be attempted by anyone unfamiliar with the necessary precaution on this receiver. The following are the necessary precautions to be observed before servicing this chassis.

1.When replacing a chassis in the cabinet, always be certain that all the protective devices are put back in place, such as: non-metallic control knobs, insulating covers, shields, isolation resistor-capacitor network etc.

2.When replacing parts or circuit boards, disconnect the power cord.

3.When replacing a high wattage resistor (oxide metal film resistor) on the circuit board, keep the resistor 10mm (1/2in) away from circuit board.

4.Connection wires must be kept away from components with high voltage or high temperature.

5.If any fuse in this TV receiver is blown, replace it with the FUSE specified in the chassis parts list.

2.Product Safety notice

Many electrical and mechanical parts in the chassis have special safety-related characteristics.

These characteristics are often passed unnoticed by a visual inspection.

Replacement parts, which have these special safety characteristic are identified in this manual and its supplement electrical components having such features are shaded on the schematic diagram and the parts list.

Before replacing any of these components, read the parts list in this manual carefully. The use of substitute replacement parts, which do not have the same characteristic as specified in the parts list may create shock, fire or other hazards.

NOTES：

Screen Image retention Do not display a still image (such as on a video game or when hooking up a PC to this PDP) on plasma monitor panel for a long time as it can cause screen image retention. This image retention is also known as “screen burn”. To avoid such image retention, reduce the degree of brightness and contrast of the screen when displaying a still image.

A still image displayed too long may cause permanent damage to the PDP Panel Watching the PDP TV in 4:3 format or other non full screen formats for a long period of time may leave traces of borders displayed on the left, right and centre of the screen caused by the difference of light emission on the screen. Playing a DVD or a game console may cause similar effect to the screen. Damages caused by the above effect are not covered by the Warranty.

Afterimage on the Screen Displaying still images from Video games and PC for longer than a certain period of time may produce partial afterimages. To prevent this effect, reduce the brightness and contrast when displaying still images for a long time.

Height The PDP can normally operate only under 2000m in height. It might abnormally function at a place over 2000m in height and do not install and operate there.

Avoid operating the TV at temperatures below 5℃(41°F)

Warranty Warranty does not cover any damage caused by image retention; Burn-in is not covered by the warranty.

Hisense confidential

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Contents Hisense confidential Circuit Diagram…………………………………………….-28 Product Safety notice Product Safety Servicing Guidelines Safety precautionsPDH4239EU specifications Product Fuction Specifications PDH4239EU product functionHisense confidential PDH4239EU PDP panel spec General description Power PSU description Panel block diagramPower block diagram Block Diagram Unite sketch map Function of Conjunctions J13---XP13 J5---XPR01 Video processing diagram Service Mode And Adjustment Service mode Audio processing diagramFactory INI CUEC/ICP Frmec WBH Bright WBH Contrast WBH Colour Soft Contrast Soft Colour Software updating PDH4239EU software updating PDH4239EU Explode View and Bom Spare Parts List OSD? TroubleshootingLED? Problem solutions Stand installingPDP Wall-mounting Bracket Installation Guide Hisense confidential Wall-mounting Quick Guide Scdt Vpchsync Vpcvsync SWI SWI1Mute AA9RIN1 ROUT1 ResetVCC C1P C1MMD3 MD0 MREFIN0MD1 MREFIN1 MD2IN0PEN GhdyVV2 VC2GND4 CVBS1-INGND3 CVBS1-OUTVclk NC1 SCL NC2SDA NC3 Pixelworks, Inc RX1P DGRE2 XIN Filt DGBE1 Reset MCLRX2P DGRE0 RX2M DGRE1Rxcm SA5 GPIO10 Filt DGBE1 Reset MCL GNDRX1P DGRE2 Rxcp DGRE7 SA6 GPIO9IN1R0 IN1CLK IN1CMPIN1PEN IN1CST IN1VBI IN1VS IN1FLDV18SP ADJVccsw V18SWB V18SWB V18AB FB1KOHM200MA V18PB Byte VPP VCCDR0 DVSDHS DENPixelworks, Inc Revision History 01064482184 LG Penal optional

PDH4239EU, PDH5039EU specifications

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