Akai PDP4294LV1 Service Manual Page 1

PDPModel:SERVICE MANUALSafety PrecautionTechnical SpecificationsBlock DiagramCircuit DiagramBasic Operations & Circuit DescriptionMain IC Speci

Technical Specifications PDP4206EM CONTINUATION PAGE NUMBER 7 OF 9 PAGES 12. Supportthe Signal Mode The PDP can support the di

No. Pin name1 No connection2 RXD (Receive data)3 TXD (Transmit data)4 DTR (DTE side ready)5 GND6 DSR (DCE side ready)7 RTS (Ready to send)8 CTS (Cle

Software upgrade Process - Power Switch OFF. - Connect the RS-232 jack of the computer to the RS-232 jack on the plasma back panel.RS-232C connect

- Power Switch ON. The power indicator on the front of the panel should now display red, that thePlasma is in standby mode. - Copy the software (Fl

- Press STANDBY button on the front panel or POWER button of Remote control, Power indicator isgreen, the Plasma is in power ON mode, software start

Technical Specifications PDP4206EM CONTINUATION PAGE NUMBER 8 OF 9 PAGES 13. Remote Function+ Sleep Mute

Technical Specifications PDP4206EM CONTINUATION PAGE NUMBER 9 OF 9 PAGES PHYSICAL CHARACTERISTICS 14. Power Cord Length

Product Specification of PDP ModuleColor Plasma Display Panel852 X 480 pixelsAddress DriverScan DriverCommon sustain driverDisplay data, Driver timing

Block Diagram

Circuit Diagram - Power supply board of PDP Module, DGP-420WXGA - Power supply board of PDP Module, USP490M-42LP - Main (Video) board - Audio/Tune

5544332211D DC CB BA A18 15164151323717911 1221 81920DHIC_MICOM6REVISION HISTORYNO1변경전변경후일자/사유2004/07/28 FEP30JPPH967C6<D<m1R61212KFR411 330FR41

USP490M-42LP

5544332211D DC CB BA ATOP cPW171-LGPDPB112Thursday, December 09, 2004TitleSize File RevDate: Sheetof上海家影多媒体技术有限公司 Shanghai Jiaying Multimedia Technolo

5544332211D DC CB BA ADrawn by: Checked by: Approved by:ADR5GGE1ADG2ADR4ADSOGGGINADR2ADR1GBE2ADR6GBINADR0GMREDGRE3GBVSYADVSADB5GRINGRE5ADG7ADB1ADG0GGE

Safety PrecautionPRECAUTIONS DURINGSERVICING1. In addition to safety, other parts andassemblies are specified for conformance withsuch regulations as

5544332211D DC CB BA ADVI INPUT CPW171-LGPDPB312Thursday, December 09, 2004TitleSize File RevDate: Sheetof上海家影多媒体技术有限公司 Shanghai Jiaying Multimedia Te

5544332211D DC CB BA AFLASH CPW171-LGPDPB712Thursday, December 09, 2004TitleSize File RevDate: Sheetof上海家影多媒体技术有限公司 Shanghai Jiaying Multimedia Techno

5544332211D DC CB BA AINPUT CPW171-LGPDPCustom212Thursday, December 09, 2004TitleSize File RevDate: Sheetof上海家影多媒体技术有限公司 Shanghai Jiaying Multimedia T

5544332211D DC CB BA ALVDS OUTPUT CPW171-LGPDPB12 12Thursday, December 09, 2004TitleSize File RevDate: Sheetof上海家影多媒体技术有限公司 Shanghai Jiaying Multimedi

5544332211D DC CB BA ARemove for ProductionCLOCK GENERATORLEDFROM PDPMISC CPW171-LGPDPB10 12Thursday, December 09, 2004TitleSize File RevDate: Sheetof

5544332211D DC CB BA ADEINTERLACE CPW171-LGPDPC612Thursday, December 09, 2004TitleSize File RevDate: Sheetof上海家影多媒体技术有限公司 Shanghai Jiaying Multimedia

5544332211D DC CB BA APOWER CPW171-LGPDPA11 12Thursday, December 09, 2004TitleSize File RevDate: Sheetof上海家影多媒体技术有限公司 Shanghai Jiaying Multimedia Tech

5544332211D DC CB BA APW171 CPW171-LGPDPB812Thursday, December 09, 2004TitleSize File RevDate: Sheetof上海家影多媒体技术有限公司 Shanghai Jiaying Multimedia Techno

5544332211D DC CB BA ATMDS OUTPUT CPW171-LGPDPCustom912Thursday, December 09, 2004TitleSize File RevDate: Sheetof上海家影多媒体技术有限公司 Shanghai Jiaying Multim

5544332211D DC CB BA AVIDEO INPUT CPW171-LGPDPCustom512Thursday, December 09, 2004TitleSize File RevDate: Sheetof上海家影多媒体技术有限公司 Shanghai Jiaying Multim

PRODUCT SAFETY NOTICEMany electrical and mechanical parts in thisapparatus have special safety-relatedcharacteristics.These characteristics are offer

5544332211D DC CB BA A03_AUDIO03_AUDIOSIFSCL5VSDA5VAUDIO OUTLAUDIO OUTR04_MCU+AMP04_MCU+AMPIRPOWER_ONRELAYMUTEOUTAOUTBMUTE102_INPUT02_INPUTOUTAOUTBAUD

Audio/Tuner"U3(UVS7305M.FH)only for the Model with Turner"

Audio/Tuner

Audio/Tuner "U8(TDA9850) only for the Model with Turner"

KeypadRemote control receiverExternal L/R Speakers

Remote control

Basic Operations & Circuit DescriptionMODULE There are 1 pc. panel and 8 pc.s PCB including 2 pc.s Y/Z Sustainer board, 2 pc.s Y Driveboard, 2 pc

Parts positionPower SWInternal Speaker (Right) Power SupplyInternal Speaker (Left)Z-Sustainer Y-SustainerExternal Speaker TerminalsTuner/AudioEMI filt

PCB function1. Power:(1). Input voltage: AC 110V~240V, 47Hz~63Hz.Input range: AC 90V(Min)~265V(Max) auto regulation.(2). To provide power for PCBs.2.

PCB failure analysis1. CONTROL: a. Abnormal noise on screen. b. No picture.2. MAIN (VIDEO): a. Lacking color, Bad color scale.b. No voice.c. No pic

Technical Specifications MODEL : PDP4206EM 42” Plasma Monitor DATE FIRST ISSUED ISSUE 1 RAISED BY CHECKED BY NUMBER OF PAGES9 R

Basic operation of Plasma Display1. After turning on power switch, power board sends 5Vst-by Volt to Micro ProcessorIC waiting for ON signals from Key

Main IC Specifications - PW171 Image Processor - AD9883A 110MSPS/140MSPS Analog Interface for Flat Panel Displays - NV320 Video Enhancement Process

PreliminaryGeneral DescriptionPW171 is a highly integrated “system-on-a-chip” that interfaces analog, digital, and video inputs in virtually any forma

REV. AInformation furnished by Analog Devices is believed to be accurate andreliable. However, no responsibility is assumed by Analog Devices for itsu

nDSP Corporation NV320 Data SheetNV320 Video Enhancement Processor1.0 IntroductionThe NV320 is a single-chip, programmable video display processor pr

nDSP Corporation NV320 Data Sheet•Internet televisions•Home theater and multimedia televisions•Video conferencing 2.0 Ordering Information3.0 Block

VPC 323xD Comb Filter Video Processor1. IntroductionThe VPC 323xD is a high-quality, single-chip video front-end, which is targeted for 4:3 and16:9. 5

SiI 161B PanelLink® Receiver August 2002 Data Sheet General Description Features The SiI 161B receiver uses PanelLink Digital tech

<• Complete Stand-Alone Line 21 Decoder for Closed-Captioned and Extended Data Services (XDS)• Preprogrammed to Provide Full Compliance withEI

I2C-bus controlled BTSC stereo/SAP decoder TDA9850FEATURES - Quasi alignment-free application due to automatic adjustment of channel separation viaI2

Technical Specifications PDP420 CONTINUATION PAGE NUMBER 2 OF 9 PAGES 1. Standard Test Conditions All tests shall be perf

Product Specification of PDP Module0. Warnings and Cautions9 WARNING indicates hazards that may lead to death or injury if ignored.9 CAUTION indicates

Product Specification of PDP ModuleCAUTION General1) Do not place this product in a location that is subject to heavy vibration, or on an unstable su

Product Specification of PDP Module USE1) Because this product uses a high voltage, connecting or disconnecting the connectors while power is supplie

Product Specification of PDP Module1. GENERAL DESCRIPTION DESCRIPTIONThe PDP42V6#### is a 42-inch 16:9 color plasma display module with resolution of

Product Specification of PDP Module ELECTRICAL INTERFACE OF PLASMA DISPLAYThe PDP42V6#### requires only 8bits of digital video signals for each RGB c

Product Specification of PDP Module7. CONNECTORS and CONNECTIONS Power Input ConnectorPin No. Symbol1234VsVsncGNDPin No. Symbol5678GNDVaGND+5V¾ Conne

Product Specification of Power Supply Unit8. Input/Output pin assignment & specification¨Pin Assignment1 28 7 6 5 4 3 2 110 9 8 7 6 5 4 3 2

Product Specification of Power Supply Unit9. Adjustment detail¨Adjustment detail8 7 6 5 4 3 2 112345678912345678910111212341234567CN807CN804CN803CN802

Product Specification of PDP ModuleY-SUSE/X TubeX rightⓐⓑ ⓒ ⓓCONTROLLERSignal Input(R,G,B,H/Vsync.)X leftZ-SUS3211QKE008AConer PlateP/N(carved)ⓕⓔⓖ8. L

Trouble Shooting Manual of PDP Module - Introduction - Precautions - Basic - Trouble shooting

Technical Specifications PDP4206EM CONTINUATION PAGE NUMBER 3 OF 9 PAGES ELECTRICAL CHARACTERISTICS 2. Power Input 2.1 Volt

COMPOSITION OF PDP BOARDSCONTROL B/DY-DRIVEBOTTOMY-SUSB/DY-DRIVE TOPX-LEFT B/DX-RIGHT B/DZ-SUS B/DCOFCOFIPMIPM1. IntroductionPSU42” V6 MODEL.

DefinitionsExhaust holelong 1long 2short 1short 2COF long2-1••••••••COF long 2-7 Definition of MODULE position6####2004.02402K242V6000266.ASLGA Identi

Vsc-VyVsetup Voltage label (Attached on back side of module) Part No. label (Attached on board) COF serial No. label (attached on COF)1. Introduction

8/40 Terms of defectAdd short (line on)Sus open (line off)Sus short (line on)Add open (line off)AppearanceTerm1. Introduction

9/401. Before repairing there must be a preparation for 10 min. 2. Do not impress a voltage that higher than represented on the product. 3. Since PDP

SCRATCHING TEARING BEING PUSHEDBENDING CHOPING2. PrecautionCOF is the most important component in the PDP module.Even a little imperfection of COF can

X LEFT B/D X LEFT B/D X RIGHT B/D X RIGHT B/D 3. Basic1. X B/D<COF Separating>: receiving LOGIC signal from CONTROL B/D and make ADDRESSPULSE(g

12/40: make SUSTAIN PULSE and ERASE PULSE that generates SUSTAIN discharge in panel by receiving LOGIC signal fromCONTROL B/D.this waveform is supplie

13/401) This is a path to supply SUSTAIN ,RESET waveform which madefrom Y SUSTAIN B/D to panel through SCAN DRIVER IC.2) Supply a wave form that selec

14/40: generates SUSTAIN,RESET waveform, Vsc(SCAN)voltage.and supplies it Y DRIVER B/D.* Composed with IPM,DIODE, electrolytic capacitor ,FET.: create

Technical Specifications PDP4206EM CONTINUATION PAGE NUMBER 4 OF 9 PAGES 4.2 Audio input Audio I/P(L/Rx5) : 1 for DVI

15/40: Being impressed 5V, Va ,Vs, DC/DC converter makes5V,Va,Vs,Vset_up,Vsc which is essential for each B/D.There is no DC/DC B/D in model 40 〞/42 〞

16/40: supply a driving waveform to PANEL by connecting a PAD electrode of PANEL with PCB(Y and Z).* there is two type of this for Y B/D. One is singl

: supply a waveform which made from X B/D to panel and selecta output pin that is controlled by COF when be on or off.96 output pin per IC.─the more t

18/40: compositionHEATSINK,CAPACITORDIODEIC LINEARRESISTORTANSISTOR,FETS.: descriptionAttached at Z B/D and Y B/D, make Sustain waveform.Sustainer :

19/404. Trouble shooting.what kind of defect?Fast check upHorizontal defect?vertical defect?Mis –dischargeon screen?No display?defectCheck model No. o

20/40what kind of defect?4. Trouble shooting.Horizontal defect?vertical defect?Mis –dischargeon screen?No display?Logical judgmentWhat kind of defect

21/40Confirm every Connector (PSU, Y-SUS, CTRL, Z-SUS)⇒ module may not be normal by mis-connection which can not send signal and power.Also Mis connec

22/40Confirm exhausting Tip and find Crack with naked eyes to check vacuum state.If there is problem replace the module .⇒ in case of vacuum breakdown

1. Check each unit part of PSU inside with naked eyes.(capacitor, FET, a kind of IC, resistor) 2. Check FUSE and SW1 (on Normal).3. Check Output volta

1. Confirm LED D17(flashing) ,13 lighting2. If not CHECK OSC X1 output.3. Check CTRL input voltage(CONNECTOR P300)4. CHECK 3.3V, 5V,15V.5. Check IC 1

Technical Specifications PDP4206EM CONTINUATION PAGE NUMBER 5 OF 9 PAGES 6.11 Color temperature : Contrast at center (50);

25/405. Y-sus B/D1. Check FUSE [FS1(5v) ,FS2(Vs)].2. Check voltages(Vsetup,-Vy, Vscw)3. Check DIODE between GND and Y SUS output.[SUSUP(OC2) SUSDN(OC1

Normal diode value = OL (reverse)Normal diode value= 0.4 (forward) Check whether output voltages agrees with voltage that represented in label.4. Trou

6. Z-sus B/DVa FUSE 6.3A Vs FUSE 2A or 4A5V FUSE1. Check the FUSE.2. Check input voltages.(Va, 5V,15V)3. Check FPC out put diode value.4. Check ramp

caution: check certainly after removing FPC.Normal diode value=OVER LOAD(reverse) Check FPC output diode value.Normal diode value=0.375(forward) Varia

29/404. Trouble shooting.◎Power protectionIt is power protection when power is off automatically within 2~3 min. from power on.Power protection funct

30/404. Trouble shooting.Vertical defect (bar)1. ConnectorCheck COF connector.If not connected well,it will Make a bar defect .BarCheck here2. Check

31/40◎Checking address COF input of resistor and IC4. Trouble shooting. COF resistor checkingCheck the both side of resistor With Digital multi meter

DMM( + terminal)DMM(- terminal)DMM (- terminal)`DMM (+ terminal) IC input checkingInside of IC , there is 4 ea diodes which separated in 2 series . (i

Buffer ICMCMCOF IC1 COF IC2 COF IC3 COF IC4각각 16 lineArray저항96 outputA flow of address signalIn this figure, we can easily suppose what will be appear

Vertical defect (line)This phenomenon is due to COF IC inside short or adherence part of the Film and rear panel electrode problem. In this case, re

Technical Specifications PDP4294LV1 CONTINUATION PAGE NUMBER 6 OF 9 PAGES 9. Agency Approvals Safety U

/40• Case 1: Buffer IC failCOF IC 1,2 ⇒192 line(96+96) open.COF IC 3,4 ⇒64 line open (with fixed interval there is on,off ……. Repetition)• case 2 : Ar

Horizontal (bar)4. Trouble shooting.1. ConnectorIt can make a horizontal bar that connector on Y b/d and Z b/d did not plugged well. Because sustain v

37/40Normal diode value. (in case of Panasonic IC=1.035)* It can be different from each IC Maker. (in case of TI IC= 0.6~0.7)Defect diode value= 0.018

38/404. Trouble shooting.Horizontal (line)1. Check FPCIn case of horizontal 1 or more line, it is due to FPC or panel inside .ctrl b/d, Y b/d is just

40/40Forward : test 1 GND(＋) , Sus-out(－) 2 Sus-out(＋),Vs(－)3 ER-DN(－),ER-COM(＋)4 ER-COM(－),ER-UP(＋) when each 4 TEST Diode value is over 0.4V

BOM Summry Report with Cost （ Report For PDP4206EM　） QuantityItem Component Description/Country OriginUnitSummary一. ElEC Parts1 E3403-004001 TUBE

26 423-42D122-01 FILTER SUPPORT L&R 42D1 PCS 227 423-42SD21-01S FILTER SUPPORT BOTTOM 42SD PCS 128 430-42D101-01 HEATSINK FOR AUDIO IC 42D1 PCS

4 510-42D104-01K GIFT BOX AKAI 1154(W)X320(D)X1032(H) PCS 15 511-42D101-01K CARTON BOX FOR BTM 42D1 PCS 1四. ACCESSORY1 511-42D102-01A ACCESSORY BO

Exploded View

56 614-400412-00 SCREW 4x12 155 615-400412-00 SCREW 4x14 154 423-42D10C-01 SUPPORT FOR PW BKT 153 423-42D108-01 PATCH FOR SHIELD BOX 152 367-42D102-