S/M NO. : DSP220PEF0 Service Manual 42" PLASMA PDP TV CHASSIS : SP-220P Model : DPP-42A1LASB Caution : In this Manual, some parts can be changed for improving. their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List)in Service Information Center.
Contents I. Parts with exception of MODULE 1. Safety Precaution 2. Product Specification 2-1. SPECIFICATION 2-2. Available Input Signal 2-3. Remote Control Setup Code 3. The Features of Inside 4. DPP-42A1LASB Block Diagram 5. Default Setting in User Menu OSD 5-1. Picture Mode 5-2. Sound 5-3. Screen 5-4. Features 6. Service Mode 7. Power PCB 7-1. Input and Environmental Requirement 7-2. Output Characteristics 7-3. Function of Protection 7-4. Connector Specification 8. Power Adjustment 8-1.
I. Parts with the exception of MODULE 1. Safety Precautions 1. Safety Precautions (1) When moving or laying down a PDP Set, at least two people must work together. Avoid any impact towards the PDP Set. (2) Do not leave a broken PDP Set on for a long time. To prevent any further damages, after checking the condition of the broken Set, make sure to turn the power (AC) off. (3) When opening the BACK COVER, you must turn off power (AC) to prevent any electric shock.
2. Product Specification 2-1. SPECIFICATION ITEM 1. GENERAL 1-1. MODEL NO 1-2. CHASSIS NO 1-3. SCREEN SIZE 1-4. COUNTRY 1-5. RESOLUTION 1-6. REMOCON TYPE 1-7. SAFETY STANDARD 1-8 .TUNIG METHOD 1-9. MEMORY CHANNEL 2. MECHANICAL 2-1. APPEARANCE 1) WITHOUT STAND 2) WITH STAND 2-2. WEIGHT 1) WITHOUT STAND 2) WITH STAND 3. ELECTRICAL 3-1. VIDEO INPUT 3-2. DTV/DVD INPUT 3-3. SCART INPUT 3-4. PC INPUT 3-5. DVI INPUT 3-6. TV INPUT 1) COLOR STANDARD 2) ANTENNA IN 3) RECEPTION CHANNEL 4) IF & SUBCARRIER 3-7.
Product Specification ITEM 3-10. POWER CONSUMPTION 3-11. RS-232 CONTROL 3-12. AV OUTPUT 3-13.
Product Specification 2-2 Available Input Signal (1) PC & DVI Resolution 640 X 480 720 X 400 800 X 600 1024 X 768 H Freq. (KHz) V Freq. (Hz) Remark DVI PC 31.469 59.940 DOS O O 37.861 72.809 VESA O O 37.500 75.000 VESA O O 31.469 70.087 IBM O O 35.156 56.250 VESA O O 37.879 60.317 VESA O O 48.363 60.004 VESA O O (2) Component z z z z 1080i – 50 / 60Hz 720p – 50 / 60Hz 576p - 50 / 60Hz 480p - 50 / 60Hz (3) Video z PAL, PAL – M, PAL – N z NTSC, NTSC 4.
Product Specification 2-3.
Product Specification VCR Maker (BRAND) NAME CANON CAPEHART CARENA CARREFOUR CASIO CATHAY CATRON CGE CIHAN CLARIVOX CIMLINE CLATRONIC COMBITECH CONDOR CONTINENTAL EDISON CORVUS CRAIG CROSLEY CROWN CROWN/ ONWA CURTISMATHES CYRUS DAEWOO DANSAI DAWA DAYTRON DE GRAAF DECCA DECCA(UK) DEGRAAF DEITRON DENKO DENON DESMET DIAMANT DIXI DOMOH DORIC DUAL DUMONT DYNATECH ELBE ELCATECH ELIN ELSAY ELTA EMERSON ESC ESSELTE ETZUKO EUROMAN EUROPHON FENNER FERGUSON FIDELITY FINLANDIA CODE NUMBER (3DIGIT) LIST 147 061 065 00
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DPP-42A1LASB Inside Features 3.
4. DPP-42A1LASB Block Diagram 4850710S22 DVI Audio Key PCB DVI PC Audio PC (D-SUB) LVDS 4859004460 Component1,2 12V,5V,STB 4850710S21 3.
5. Default Setting in User Menu OSD 1. Picture Mode 1) Mode z Normal Dynamic Cinema User Brightness 50 40 55 Undefined Contrast 50 80 35 Undefined Sharpness 8 10 6 Undefined Colour 50 55 45 Undefined Tint 50 50 50 Undefined DVI & PC Input - Only brihgtness and contrast are available. 2) Default value of other functions in picture mode Function Default Value Colour Temp Normal N.R. NR1 CTI On z N.R. means the noise reduction z DVI & PC don't support N.R.
Default Setting in User Menu OSD 3. Screen 16 : 9 4 : 3 Panorama LB (16:9) LBS (16:9) 14 : 9 LB (14:9) LBS (14:9) Auto Component O O O X X X X X X TV O O O O O O O O O AV O O O O O O O O O PC O O O X X X X X X DVI O O O X X X X X X z H. Position, V. Position, and Auto screen size is available only in PC mode. 4.
6. Service Mode To enter SERVICE MODE, A. Press “ ◀VOL ” -> “ MUTE ” -> “ RECALL ” -> “ MUTE ” button of remote controller (R-53J17) or B. Press “ S9 ” button of SERVICE REMOTE CONTROLLER. [Note] In the first line, there is the model name and the version of the upgraded program on the PDP set. 1.
Service Mode z The automatically set offset values may different from the default value depend on B/D. However, the main B/D should be replaced or contact Kunpo R&D center in Korea if the OFFSET values differ more than ±20 from default value. 3. Pw3300_2 & Pw2250 4. Msp34X0 AV Brt AV Cont Function Sc pScale Pw3300_2 127 75 Default Value 21 Pw2250 127 75 Fm pScale Nic pScale 25 51 z In Msp34X0, - Sc pScale : Prescale adjustment for external input (AV, Component, PC, DVI etc.
7. Power PCB 1. Input and Environmental Requirement Input Requirement Description Environment Requirement Description Norminal Input Voltage AC100V to AC240V Operating Temperature Range -10 to 50 deg. Input Voltage Variation Range AC85V to AC276V Operating Humidity Range 10 to 90 % Nominal Frequency 50 / 60 Hz Storage Temperature Range -20 to 60 deg. Frequency Variation Range 45Hz to 65Hz Storage Humidity Range 10 to 90 % Phase Single Cooling Condition Free Air 30A zero-pk max.
Power PCB 33V 0.08A or more Shut down by Under Voltage 17V 1.0A or more Shut down by Under Voltage -17V 1.0A or more Shut down by Under Voltage Vs 220V or less Shut down Vd 86V or less Shut down 5.5 - 7.0 Shut down 12V 13 - 17V Shut down 33V 36 - 44V Shut down 17V 19 - 24V Shut down -17V -19 - -24V Shut down 5V (ctrl) 5V Over Voltage 4.
8. Power Adjustment z Power Adjustment – Adjusting to standard power voltages, which are written in the upper right side of PDP module. These values were already adjusted by PDP module makers while producing. Therefore, if there are some problems in picture after adjusting, you should classify that PDP module as a fault and contact to PDP module maker. z Input Video Pattern – 100 IRE Full White Pattern Figure 3. Voltage Adjustment Label 1.
Power Adjustment 2. Va (Address Voltage) : Data Input Voltage z Measurement Equipment : Digital Volt Meter (DC volt mode) z Adjusting TP : TP206 (Vd) z Adjusting Location : RV204 (Vd ADJ) z Optimum Adjusting Voltage : The voltage which is written in the label located in upper right side of the PDP module.
Power Adjustment 3. 5Vcntl (5V control) z Measurement Equipment : Digital Volt Meter (DC volt mode) z Adjusting TP : TP203 z Adjusting Location : RV201 z Optimum Adjusting Voltage : The voltage which is written in the label located in upper right side of the PDP module. (Typical Voltage : 5.
9. Noticeable Points While Assembling 1. Insertion of Ring Core (EMI Filter) to Speaker Cable (L,R), AV3 Cable and their position - Coil the Ring Core (Filter EMI, S/N: 5PZCA2009A) 2 turns with Speaker Cable (L,R) as shown in the figure below. - Coil the Ring Core (Filter EMI, S/N: 5PZCAT3035) 1 Turn with AV3 Cable as shown in the figure below.
Noticeable Points While Assembling 3. LVDS Cable Connection ÆCABLE LVDS, S/N : 4856818800 a. DIGITAL B/D part Æ CLAMP WIRE, S/N : 4856818800 Æ CLAMP WIRE, S/N : 4856815900 (Place these CLAMP WIRES as shown in the figure below) * Make LVDS Cable not to touch on the Terminal Plate while connecting. b.
Noticeable Points While Assembling 4. Shieldron Tape on SCART Input Æ Tape EMI, S/N : 485A100071 (Position: From top of Scart to Terminal Channel Gasket) 5. Shieldron Tape on DVI Input Æ Tape EMI, S/N : 485A100571 (attach vertically, 3 X 4.
10. Software Upgrade Method 1. Check whether MAIN PCB is connected to SUB PCB (PA901 to P901). 2. Connect 9-PIN serial cable to the serial port of the computer. 3. Connect the opposite end of the serial cable to RS-232C port of SUB PCB. 4. Run Flashupgrader.exe in the PC to excute the program as shown below. 5. Select current Upgrade file - Click “Choose...” button to select the file you want to upgrade. - Select the file (pwSDK.inf) that you want to upgrade.
SOFTWARE UPGRADE Method 6. Select correct COM Port and Baud Rate(115200) as shown below. Then press Flash button to finish setup. 7. Turn on the ac power and then upgrade program will start the download as shown below.
SOFTWARE UPGRADE Method 8. When the upgrading is complete, a window (below) will be opened. Press “Finish” button to complete the process.
11. Trouble Shooting Before starting Trouble Shooting z Trouble diagnosing and repairing of set mean find out which PCBs or blocks are not working and replace them with new PCBs. Repairing the broken PCBs are not necessary. Keep the broken PCBs and return them to service center or R&D center. z This Trouble Shooting list only contains representative and simple PCB trouble diagnosis and Module Exchange method. Therefore, if you find sets that are difficult to diagnose or to repair, contact R&D center.
Trouble Shooting White input using Test Pattern of Service Mode. Check the screen conditions and basic functions. z Caution 1 !! When disconnecting / connecting connectors, you MUST turn “OFF” the AC power and check the direction and position of the connectors before working. z Caution 2 !! Whenever you reassemble connectors connecting High Voltage Board and POWER PCB (CN805, CN806), remaining voltage still exists in the POWER PCB could cause electric shock and damage the set.
Trouble Shooting 1.
Trouble Shooting 2.
Trouble Shooting 3.
Trouble Shooting A) Low Voltage Shut Down Check Start Turn AC power off Disconnect CN805 of Power PCB Turn on the set after AC power on N Y Is ‘SHUT DOWN’ occured? Turn AC power off Turn AC power off Connect CN805 back and disconnect CN 801, CN803, CN804 of Power PCB Replace Main B/D Disconnect P6 of Y-SUS B/D Connect all connectors and set Power PCB’s voltage switch to High Turn on the set after AC power on Done N Y Is ‘SHUT DOWN’ occured? Turn AC power off Turn AC power off Disconnect P
Trouble Shooting B) Z-SUS, Digital B/D, Data B/D Shut Down Check Start Turn on the set after AC power on N Y Is ‘SHUT DOWN’ occured? Turn AC power off Turn AC power off Connect P2 of Z-SUS B/D Replace Z-SUS B/D Connect P2, P3 back and turn on the set after AC power on Turn on the set after AC power on N Y Y Is ‘SHUT DOWN’ occured? N Is ‘SHUT DOWN’ occured? Replace Digital B/D Replace Data B/D Connect all cables and set voltage switch to High Connect all cables and set voltage switch to H
Trouble Shooting C) Y-SUS, Scan B/D Shut Down Check Start Disconnect P3, P4 of Y-SUS Turn on the set after AC power on N Is ‘SHUT DOWN’ occured? Y Turn AC power off Turn AC power off Replace Scan B/D Replace Y-SUS B/D Connect all cables and set voltage switch to High Connect all cables and set voltage switch to High Done Done -51-
Trouble Shooting D) High Voltage Shut Down Check Start Disconnect P1 of Z-SUS Turn the set on after AC power on N Y Is ‘Shut Down’ occured? Turn AC power off Turn AC power off Disconnect three metal plates between Y-SUS and Scan B/D Connect P1 of Z-SUS back Turn the set on after AC power on Disconnect P5 of Y-SUS and P3 of Z-SUS N Y Is ‘Shut Down’ occured? Turn AC power off Turn the set on after AC power on Turn AC power off N Y Is ‘Shut Down’ occured? Replace Y-SUS B/D Replace SCAN B/D
Trouble Shooting 4.
Trouble Shooting 5.
Trouble Shooting 6.
Trouble Shooting 7.
Trouble Shooting 8. Not Even Weak Discharge Check Start N Is Power B/D working? Does it make normal sound? Replace the Power B/D Y N Replace Y-SUS, Z-SUS, and Scan B/D Is the set correctly working? Y Done 9.
Trouble Shooting 10. Others A) Set Is Making Unusual Noise Î Check the connection of Power PCB and Module. If they are OK, replace the Power PCB and check the symptom again. B) Occasionally, the set does not operate normally. Turning off and on the AC power make the set to operate normal again Î Upgrade the software first. If you still see the same symptom, replace the Main and Sub B/D. C) Images are abnormal Î Check the default values of service mode and user mode.
12. Assembly List * Ass’y of module is listed on the next page. No. PCB ASS'Y CODE ASS'Y NAME ASS'Y DESCRIPTION 1 4851413800 BACK COVER ASSY 21728+26162 2 4853293700 BRKT DR ALDCS 8 3 4853220100 BRKT POWER MODULE SECC T1.0 4 4854962100 BUTTON CH ABS GY 5 4859004060 CABLE FFC 1.0-K-30P-50MM 6 4859004460 CABLE LVDS 1001-31FC+1001-31FC+42A1LASB=560 7 4859003750 CABLE PHONE PLUG PLUG+CABLE 1365AWG26=150B 8 4856815900 CLAMP WIRE EGI T0.4+TUBE+PIE 3.
Assembly List 33 4852090701 MASK FRONT ABS GY 34 4850M10410 MODULE PDP PDP42V7 35 4850M10110 MODULE POWER 1H217WA 36 PTMPMSG089 PCB MAIN MANUAL AS DPP-42A1LASB 37 PTSBMSG089 PCB SUB MANUAL AS DPP-42A1LASB 38 485A106070 SHIELDRON (5 AND 3)X85X1T(ANGLE) 39 485A106270 SHIELDRON 41X53X18T 40 48A8310000 SPEAKER SYSTEM SS-63A01 41 485A100071 TAPE EMI CU+NI T0.13 VER1 42 485A100571 TAPE EMI CU+NI 30X42XT0.2 43 4853633300 TERMINAL COVER A5052 T1.
13.
STRUCTURE OF PDP SET COMPONENT PICTURE 1). PDP MODULE (With F/SUPPORT) 1a). Y-SUS B/D 1b).
STRUCTURE OF PDP SET COMPONENTS 1d) Data Relay PKG(L) PICTURE 1e) Data Relay PKG(R) 1f) Scan Relay PKG-T 1g) Scan Relay PKG-B -63- REMARK
STRUCTURE OF PDP SET COMPONENT PICTURE 1h) Digital PKG 2) MAIN BOARD 3) SUB BOARD 4) POWER BOARD -64- REMARK
STRUCTURE OF PDP SET COMPONENTS 5) FRONT MASK PICTURE 6) FILTER GLASS 7) BACK COVER -65- REMARK
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DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE : Nov.
MODEL : PDP42V7#### CAUTION 1. BEFORE SERVICING THE PDP MODULE, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. 2. WHEN REPLACEMENT PARTS ARE REQUIRED, BE SURE TO USE REPLACEMENT PARTS SPECIFIED BY THE MANUFACTURER.
[PDP42V7#### Module] CONTENTS Ⅰ. Ⅱ. Ⅲ. Ⅳ. Safety Precautions/Technical Feature Formation and Specification of Module Adjustment Trouble Shooting 1. Checking for No Picture 2. Hitch Diagnosis Following Display Condition 2-1. All or 1/2 of the screen doesn’t be shown 2-2. Screen doesn’t be shown as Data TCP 2-3. It is generated unusual pattern of Data TCP IC unit 2-4. Regular Stripe is generated about the quantity of one Data TCP IC or more 2-5. Screen doesn’t be shown at all as Scan FPC 2-6.
Ⅰ. Safety Precautions/Technical Feature (9) If the power cable is damaged, or if the connector is loose, do not use the product: otherwise, this can lead to fire or electric shock. 1. Safety Precautions When servicing of PDP Module, it should be not enforced into another way aside next rule, or a unaccustomed person should not repairing. When using/handling this PDP Module, pay attention to the below warning and cautions.
(10) In order to protect static electricity due to C-MOS circuitry of the Drive part, wear a wrist band to protect static electricity when handling. (11) If cleaning the Panel, wipe it with a soft cloth moistened with water or a neutral detergent and squeezed, being careful not to touch the connector part of the Panel. And don’t use chemical materials like thinner or benzene. (12) If this product is used as a display board to display a static image, “image sticking” occurs.
2. Technical Feature PDP Module is a display device to be divided into a Panel part and a Drive part. The Panel part consists of Electrodes, Phosphor, various dielectrics and gas, and the Drive part includes electronic circuitry and PCB. PDP42V7#### model produced in the LG electronic is 42inches color Plasma display module of WVGA(852(H)x480(V)), and it is a display device giving concrete to bright image by using AC Plasma technology of LG electronic.
Ⅱ. Formation and Specification of Module No Connector Input Voltage & Signal 1 P1[Z SUS B/D] 5V, Va, Vs 2 P5[Y SUS B/D] Vs 3 P6[Y SUS B/D] 5V 4 P9[CTRL B/D] Control Signal No 1 2 3 4 5 6 7 Part No.
Ⅲ. Adjustment 1. Application Object This standard is applied to the PDP42V7#### PDP Module which is manufactured by the manufacturing team of PDP promotion department or elsewhere. 3-2. Connection diagram of measuring instrument and setting up the initial voltage (1) For connection diagram of measuring instrument, refer to Fig. 1.(Connection diagram of measuring instrument that adjusting the voltage wave form) 2.
DC Power Supply for 5V DC Power Supply for Va Power DC Power Supply for Vs Signal Generator(VG-825) (1) The power of the signal generator should be turned on before turning on the power of DC power supply. (2) The voltage of DC power supply , in standard of Module input voltage, should be preset as below. Vcc: 5V, Va: 65V, Vs: 187V (3) The power of power supply must turned on by this sequence. Reverse direction When turning off.
Ⅳ. Trouble Shooting 1. Checking for no Picture A screen doesn’t display at all and condition of black pattern or power off. English (1) Check whether the CTRL B/D LED(D1, D2, D3, D4, D5) is turned on or not. (2) Check the power and signal cable of CTRL B/D. (3) X B/D, Y B/D, Z B/D is well plugged in. (4) Check the connection of X B/D, Y B/D and Z B/D to CTRL B/D.
Y B/D Output wave(1SF) Z B/D Output wave(1SF) X B/D Output wave(1frame): Va measurement - 10 -
2. Hitch Diagnosis Following Display Condition 2-2. The screen doesn’t be shown as Data TCP (1) In case of all of the screen doesn’t be shown, Confirm the 8pin connection of X B/D to Z B/D is well plugged in which is correspond (Include not be shown part of DataTCP quantity or a part) (1) The problem between Data TCP and X B/D is more possible that the screen is not be shown as data TCP. (2) Confirm the connector of Data TCP is well connected to X B/D.
2-3. It Generates Unusual Pattern of Data TCP IC unit 2-4. Regular Stripe is Generated about the Quantity of one Data TCP IC or more (1) In case of generating unusual pattern of Data TCP IC unit as below picture, there is problem in the Signal(CLK, data, STB) or connector that is input into Data TCP IC (1) In case of generating regular stripe about the quantity of one Data TCP IC or more, check the connection of connector or foreign.
2-5. The screen display has a problem for Scan FPC. (1) It’s may be a problem between Scan FPC and Y DRV B/D. (2) Check the connection of Y DRV B/D and Scan FPC. (3) If the Scan IC is failed, replace the Y DRV B/D. [ Screen Display Form 2-6. The screen has a vertical line with regular gap. (A vertical stripe flash at especial color) (1) This is a problem about CTRL B/D. (2) Replace the CTRL B/D.
2-8. The screen has one or several vertical line (1) In this case, It isn’t a problem about CTRL B/D or X B/D. (2) It may cause followings. - It’s out of order a panel - Open or short of DATA TCP FPC attached panel - It’s out of order a DATA TCP attached panel 2-11. The screen displays other color partially on full white screen or happens discharge partially on full black screen. (1) Check the declination of Y B/D set up, set down wave.
3. Checking for Component Damage 3-3. FET Ass’y(Y B/D: HS1) Damage (1) When the internal Sustain_IGBT or ER_FET of Y IPM(IC 15) or Z IPM(IC 2) is damaged, VS FUSE is open and screen doesn’t be shown. O Test Point: B32~GND(Y B/D), B28~GND(Z B/D) O Wave format: B32(Y B/D) or B28(Z B/D) has no output wave. (1) When Set_Up FET is damaged, screen doesn’t be shown O Test Point: Enlarge the after measuring GND~B32(Y B/D) O Wave format: Set_up waveform does not come out.
3-4. SCAN IC(Y DRV B/D: IC1~8) Damage (1) In case of SCAN IC poor, one horizontal line may open at screen. O Test Point: ICT measurance of GND~Y DRV B/D output O Wave format: As shown below figure. (4) In case of shorting the SCAN IC output by a dust, foreign substance, it may overlap two horizontal lines on screen. O Test Point: ICT measurance of GND~Y DRV B/D output O Wave format: As shown below figure.
3-5. TCP Damage 3-6. Crystal(CTRL B/D: X1) Damage (1) When Crystal is damage, the screen doesn’t be shown. O Test Point: Measuring 3pin of GND~Crystal(CTRL B/D: X1) O Wave format: Output wave doesn’t come out (2) In case of unusual launch of the Crystal, it may blink the screen. O Wave format: As shown below figure English (1) In case of shorting or opening the IC output of TCP, it may show one or several vertical lines.
4. Shift breakdown component compatibility consideration 4-1. Scan IC follows in application, compatibility of Y DRV Top, Bottom B/D (1) When B/D applicated FD3284F is breakdown, you must mutually only replace Top B/D and Bottom B/D applicated FD3284F. (2) When IC of B/D applicated FD3284F IC is breakdown, you must only replace FD3284F IC.
English Ⅴ.
Ⅵ. Safety Components List (1) The safety components list of PDP42V7#### Model is as below. (2) A component of S mark is important to keep product’s security. Therefore in exchanging a component, appointed component is necessary used. (3) S is an abbreviated word which is instead of mark.
- 21 - English
Ⅶ. Records of Revision for Boards, components and ROM DATA 1. Boards Board Part Number Note LVDS CTRL B/D ASS’Y 6871QCH053A Initial Product 2005.03.04 HITACHI COPPER LVDS CTRL B/D ASS’Y 6871QCH073A Initial Product 3 2005.03.04 LVDS OUTER SIDE CTRL B/D ASS’Y 6871QCH053B Initial Product 4 2005.03.04 PB-FREE FFC & CON LVDS OUTER SIDE 6871QCH053C Initial Product No. Date 1 2005.03.04 2 CTRL B/D ASS’Y 5 2005.03.04 YDRV TOP B/D ASS’Y 6871QDH084A Initial Product 6 2005.03.
2. COMPONENTS No. Date COMPONENT Part Number Remark 1 2005.03.04 Y IPM(YSUS B/D: IC15) 4921QP1031A Initial Product 2 2005.03.04 Z IPM(ZSUS B/D: IC2) 4921QP1031A Initial Product 3 2005.03.04 SCAN IC(YDRV B/D: IC1~8) 0ILNRFE001A Initial Product 4 2005.03.04 TCP 0ILNRD1002A Initial Product 5 2005.03.
3. ROM DATA No. Date ROM Data Version Contents 1 2005.03.04 42V73DN03 Inner Type LVDS Initial ROM Data 2 2005.03.
3828VD0143R March, 2005 Printed in Korea
