FUNAI F42PDME Service Manual
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FUNAI F42PDME Service Manual

FUNAI F42PDME Service Manual

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SERVICE MANUAL

Main Section
I Specifications
I Adjustment Procedures
I Troubleshooting
I Schematic Diagrams
I CBA's
I Exploded Views
I Parts List
PLASMA DISPLAY
F42PDME
Plasma Display Module Section
I Disassembly Procedures
I Troubleshooting
I Exploded Views
I Parts List

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Summary of Contents for FUNAI F42PDME

  • Page 1: Service Manual

    SERVICE MANUAL Main Section Plasma Display Module Section I Specifications I Disassembly Procedures I Adjustment Procedures I Troubleshooting I Troubleshooting I Exploded Views I Schematic Diagrams I Parts List I CBA’s I Exploded Views I Parts List PLASMA DISPLAY F42PDME...

  • Page 2: Important Safety Notice

    Consequently, Funai has not undertaken any such broad evaluation. Accordingly, a servicer who uses a service proce- dure or tool which is not recommended by Funai must first use all precau- tions thoroughly so that neither his safety nor the safe operation of the...

  • Page 3: Table Of Contents

    MAIN SECTION PLASMA DISPLAY F42PDME Main Section I Specifications I Adjustment Procedures I Troubleshooting I Schematic Diagrams I CBA’s I Exploded Views I Parts List TABLE OF CONTENTS Specifications....................1-1-1 Important Safety Precautions............... 1-2-1 Standard Notes for Servicing ............... 1-3-1 Basic Setup and Operating Guide ...............

  • Page 4: Specifications

    SPECIFICATIONS Description Condition Display Features Screen Size 920.1 (W) x 518.4 (H) mm, 42 in. Wide VGA panel Pixel Resolution 852 (H) x 480 (V) Output Colors 16.7 million Screen Aspect Ratio 16:9 Contrast Ratio 1000:1 Brightness 470 cd/m (PEAK) Comb Filter Type 3-Dimensional Y/C Separation Available Input Format...
  • Page 5 DIMENSIONS 1314 920.1 907.47 1-1-2 L0605SP...

  • Page 6: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory, our products are strictly inspected for recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.
  • Page 7 General Caution of Plasma Display b. Some monitor chassis normally have 85V AC(RMS) between chassis and earth ground re- 1. Since the Panel module and front filter are made of gardless of the AC plug polarity. This chassis can glass, sufficient care shall be taken when handling be safety-serviced only with an isolation transform- the broken module and filter in order to avoid inju- er inserted in the power line between the receiver...
  • Page 8 PDP Module Handling Precautions during Servicing When there is need to replace a broken PDP module A. Parts identified by the ( # ) symbol are critical for which is the displaying device from the Plasma display safety. unit, consider the following: Replace only with part number specified.
  • Page 9 Safety Check after Servicing Examine the area surrounding the repaired location Chassis or Secondary Conductor for damage or deterioration. Observe that screws, parts and wires have been returned to original posi- tions. Afterwards, perform the following tests and con- Primary Circuit Terminals firm the specified values in order to verify compliance with safety standards.

  • Page 10: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications How to Remove / Install Flat Pack-IC a. The output pin of the 3 pin Regulator ICs is indicat- 1. Removal ed as shown. With Hot-Air Flat Pack-IC Desoldering Machine: (1) Prepare the hot-air flat pack-IC desoldering ma- Top View Bottom View chine, then apply hot air to the Flat Pack-IC (about...
  • Page 11 3. The flat pack-IC on the CBA is affixed with glue, so With Soldering Iron: be careful not to break or damage the foil of each (1) Using desoldering braid, remove the solder from pin or the solder lands under the IC when remov- all pins of the flat pack-IC.
  • Page 12 2. Installation (4) Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply (1) Using desoldering braid, remove the solder from soldering iron to center of the flat pack-IC and heat the foil of each pin of the flat pack-IC on the CBA up.
  • Page 13 Instructions for Handling Semiconductors Electrostatic breakdown of the semiconductors may occur due to a potential difference caused by electro- static charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1MΩ) that is prop- erly grounded to remove any static electricity that may be charged on the body.

  • Page 14: Basic Setup And Operating Guide

    BASIC SETUP AND OPERATING GUIDE MAIN UNIT Front Rear POWER AC IN AUDIO AUDIO AUDIO OUT VIDEO S-VIDEO VIDEO1 S-VIDEO1 COMPONENT1 VIDEO2 S-VIDEO2 COMPONENT2 VOLUME INPUT SELECT VIDEO S-VIDEO POWER VOLUME INPUT SELECT Input Terminals VOLUME INPUT SELECT AUDIO AUDIO AC IN AUDIO OUT S-VIDEO...

  • Page 15: Remote Control

    REMOTE CONTROL POWER MUTE SCREEN MODE STILL INPUT SELECT DISPLAY MENU PREVIOUS SLEEP POWER button: Turns the main power ON MENU button: Accesses the setup menu, or in STANDBY. allowing you to access various settings. VOL (up) / (down) button: Increases or PREVIOUS button: Moves up one level in decreases the volume.

  • Page 16: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart Removal Step/ Loc. Part Fig. Remove/*unlock/release/ Note This flowchart indicates the disassembly steps for the unplug/unclamp/desolder cabinet parts, and the CBA in order to gain access to LED A CBA and ---------- item(s) to be serviced. When reassembling, follow the LED B CBA steps in reverse order.
  • Page 17 Reference Notes in the Table 22.Removal of the Stand Unit. Remove screws 4(S- 26). Caution: 23.Removal of the Stand Cover. Remove screws 8(S- Refer to "General Caution of Plasma Display" and 27) and 10(S-28). "PDP Module Handling" of "IMPORTANT SAFETY 24.Removal of the Stand(s).
  • Page 18 (S-1) (S-2) (S-1) (S-2) (S-1) (S-1) (S-2) (S-1) (S-2) (S-1) [1] Back Cabinet Fig. 1 (S-3) (S-3) (S-3) [2] Rear Cabinet Fig. 2 1-5-3 L0605DC...
  • Page 19 (S-5) (S-5) [4] Speaker Cover (S-4) (S-5) (S-4) CLN8 (S-5) (S-4) (S-4) [3] PCB Shield Plate (S-5) (S-5) (S-5) [4] Speaker Cover Fig. 3 1-5-4 L0605DC...
  • Page 20 [5] Digital CBA (S-6) [6] Analog CBA (S-8) (S-8) (S-11) (S-10) [8] PCB Holder (S-11) [7] Filter CBA (S-7) Connectors (S-11) (to AC Inlet) (S-9) Fig. 4 1-5-5 L0605DC...
  • Page 21 (S-12) (S-13) [10] Brand Plate [11] LED A CBA (S-13) [11] LED B CBA (S-12) [9] Front Cabinet Assembly (S-14) [12] Switch CBA Fig. 5 (S-15) (S-15) (S-15) (S-15) (S-15) (S-15) (S-15) (S-16) [13] Decoration Panel Fig. 6 1-5-6 L0605DC...
  • Page 22 [18] Speaker Spacer [14] Speaker-1 (S-17) (S-21) (S-18) [15] Speaker-2 [21] Jack Cover (S-23) [19] Speaker Holder(L) [24] Optical Filter [18] Speaker [22] Filter Holder(L) [16] Speaker-3 Spacer (S-19) (S-24) (S-20) [17] Speaker-4 (S-25) (S-22) (S-24) (S-25) [20] Speaker Holder(R) [23] Filter Holder(R) (S-24) [23] Filter Holder(R)
  • Page 23 (S-26) (S-26) [25] Stand Unit Fig. 8 1-5-8 L0605DC...
  • Page 24 [26] Stand Cover [27] Stand [27] Stand (S-29) (S-29) (S-30) (S-30) (S-27) (S-27) (S-29) (S-29) [28] Stand Base (S-30) (S-30) (S-28) (S-27) (S-28) (S-27) (S-28) (S-27) Fig. 9 1-5-9 L0605DC...
  • Page 25 [29] Chassis Bracket [30] Panel Spacer (S-31) [32] Plasma Display [30] Panel Spacer Module [31] SP Holder Plate (S-32) (S-31) (S-33) (S-33) (S-32) (S-32) (S-33) (S-35) (S-34) (S-32) (S-31) (S-33) (S-31) (S-35) (S-35) (S-34) [29] Chassis Bracket (S-34) (S-35) [30] Panel Spacer (S-35) [31] SP Holder Plate (S-35)
  • Page 26 Plasma Display Cable Wiring Diagram LED CBA Cables on the Digital CBA Ferrite core (FC1) to P31 Ferrite core (FC3) Clamper Clamper CN1704 CN1706 Ferrite core (FC6) Clamper CN1709 CN203 CN1703 CN201 CN1702 CN701 CN1701 Digital CBA Analog CBA Fig. 11 LED CBA Switch CBA Ferrite core (FC2)
  • Page 27 Cables on the Filter CBA Clamper CN801 Clamper Clamper Filter CBA Earth Fig. 13 1-5-12 L0605DC...

  • Page 28: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS How to set up the service mode: General Note: "CBA" is abbreviation for "Circuit Board Assem- Service mode: bly." 1. To turn the power on, press "POWER" button on the NOTE: normal remote control unit or the unit. Electrical adjustments are required after replacing 2.

  • Page 29: White Balance Adjustment

    1. Auto Calibration (Black & White) 2. White Balance Adjustment Purpose: To mix red, green and blue beams correctly 1. Operate the unit more than 20 minutes. for pure white. 2. Input black raster signal from only Component AV In- Symptom of Misadjustment: White becomes bluish put (2) video/Y jack (green).
  • Page 30 3. Sub-Brightness Adjustment 5. Enter the component adjustment mode, press "VOL p" button once on the service remote control Purpose: To get proper brightness. unit. Symptom of Misadjustment: If Sub-Brightness is 6. Press "4" button on the service remote control unit incorrect, proper brightness cannot be obtained by for Red adjustment.

  • Page 31: Troubleshooting

    TROUBLESHOOTING FLOW CHART NO.1 The power cannot be turned on. Is the fuse normal? Remove CLN6 connecting to CN501 and check Pins (1,2,5,8,9,11) on CLN6 are shorted. Not shorted Shorted Replace the Plasma After replacing fuse, Display Module. does it break when turning the power on ? Are Pins (1,2,5,8,9,11) on CN501 are shorted? Check each line of power supply on the Analog...
  • Page 32 FLOW CHART NO. 2 Video signal is not outputted normally. Input video signal. Is the video signal outputted to each pins on the CN701 of the Analog CBA? (If the video signal is not outputted when signal is inputted to component 1, 2 jack on the rear, replace the Digital CBA.) When inputting video signal to Video 1 S-VIDEO jack...
  • Page 33 Is input switching signal inputted to each pins on IC202 and IC203? Check lines between each pins on IC203 and [****] is the check point on the componet side. each pins on IC205, between each pins on IC202 and each pins on IC205 and service it if defective. Pin (9) Pin (10) Pin (11)
  • Page 34 FLOW CHART NO. 4 Audio is not outputted from audio output terminal normally. Input audio signal. Is audio signal inputted to each pins on IC202 and IC203? [****] is the check point on the componet side. Check lines between Pin (13) on IC203 and When inputting to Video 1 jack...

  • Page 35: Block Diagrams

    BLOCK DIAGRAMS System Control Block Diagram 1-8-1 L0605BLS...
  • Page 36 Video Block Diagram 1-8-2 L0605BLV...
  • Page 37 Digital Signal Process 1 Block Diagram 1-8-3 L0605BLD1...
  • Page 38 Digital Signal Process 2 Block Diagram 1-8-4 L0605BLD2...
  • Page 39 Audio Block Diagram L0605BLA 1-8-5...
  • Page 40 Power Supply Block Diagram 1-8-6 L0605BLP...

  • Page 41: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA'S AND TEST POINTS Standard Notes Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement compo- nents rated for higher voltage, wattage, etc. Replacement parts that have these special safety characteristics are identified in this manual and its supplements;...
  • Page 42 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE_A,_V FUSE. ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE_A,_V. 2.
  • Page 43 Digital 1/5 Schematic Diagram *1 Note: Audio Signal Video Signal DIGITAL 1/5 1. The order of pins shown are different from that of IC1401 itself. Ref No. Position 2. Some pins are not shown because they are not used. 3. IC1401 is shown as IC1401(1/4) through IC1401(4/4) in Digital Schematic Diagram section. IC1301 IC1401(1/4) IC1501...
  • Page 44 Digital 2/5 Schematic Diagram Video Signal DIGITAL 2/5 Ref No. Position IC1101 IC1502 IC1503 IC1504 IC1505 IC1506 IC1507 TRANSISTORS Q1101 Q1102 Q1701 Q1702 Q1703 Q1704 Q1705 Q1706 CONNECTOR CN1701 L0605SCD2 1-9-5 1-9-6...
  • Page 45 Digital 3/5 Schematic Diagram DIGITAL 3/5 *1 Note: Ref No. Position 1. The order of pins shown are different from that of IC1401 itself. Video Signal IC1201 2. Some pins are not shown because they are not used. IC1202 3. IC1401 is shown as IC1401(1/4) through IC1401(4/4) in Digital Schematic Diagram section. IC1401(2/4) IC1508 IC1509...
  • Page 46 Digital 4/5 Schematic Diagram *1 Note: 1. The order of pins shown are different from that of IC1401 itself. DIGITAL 4/5 Video Signal Ref No. Position 2. Some pins are not shown because they are not used. 3. IC1401 is shown as IC1401(1/4) through IC1401(4/4) in Digital Schematic Diagram section. IC1401(3/4) IC1404 IC1405...
  • Page 47 Digital 5/5 Schematic Diagram DIGITAL 5/5 *1 Note: Ref No. Position 1. The order of pins shown are different from that of IC1401 itself. 2. Some pins are not shown because they are not used. IC1102 AB-3 IC1401(4/4) 3. IC1401 is shown as IC1401(1/4) through IC1401(4/4) in Digital Schematic Diagram section. IC1403 AC-3 TRANSISTOR...
  • Page 48 Analog 1/2 Schematic Diagram ANALOG 1/2 Ref No. Position IC201 IC204 IC205 TRANSISTORS Q206 Q207 Q271 Q272 Q295 Q501 Q503 Q831 CONNECTORS CN202 CN203 CN204 CN501 CN502 1-9-13 L0605SCA1 1-9-14...
  • Page 49 Analog 2/2 Schematic Diagram Audio Signal ANALOG 2/2 Video Signal Ref No. Position IC202 IC203 IC801 TRANSISTORS Q203 Q204 Q205 Q701 Q702 Q703 Q704 Q705 Q706 Q707 Q708 Q709 Q710 Q711 Q712 Q801 CONNECTORS CN201 CN701 CN801 CN802 1-9-15 1-9-16 L0605SCA2...
  • Page 50 Filter Schematic Diagram Filter Schematic Diagram CAUTION ! Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. If Main Fuse (F601) is blown, check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 51 Analog CBA Top View WF14 PIN 12 OF IC801 ANALOG CBA Ref No. Position IC201 IC202 IC203 IC204 IC205 IC801 TRANSISTORS Q203 Q204 Q205 Q206 Q207 Q271 Q272 Q295 Q501 Q503 Q701 Q702 Q703 Q704 Q705 Q706 Q707 Q708 Q709 Q710 Q711 Q712...
  • Page 52 Analog CBA Bottom View BL0600F01013-1 1-9-21 1-9-22...
  • Page 53 Switch CBA Top View Switch CBA Bottom View 1-9-23 1-9-24 BL0600G04013-2...
  • Page 54 Filter CBA Top View Filter CBA Bottom View CAUTION ! CAUTION: FOR CONTINUED PROTECTION AGAINST RISK Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. OF FIRE, REPLACE ONLY WITH SAME TYPE 8A, 250V FUSE. If Main Fuse (F601) is blown, check to see that all components in the power supply ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 55 Digital CBA Top View R1421 R1420 DIGITAL CBA Ref No. Position IC1101 IC1102 IC1201 R1419 IC1202 IC1301 IC1401 IC1403 IC1404 IC1405 IC1501 IC1502 IC1503 IC1504 IC1505 IC1506 IC1507 IC1508 IC1509 IC1510 TRANSISTORS Q1101 Q1102 Q1401 Q1701 Q1702 Q1703 Q1704 Q1705 Q1706 CONNECTORS CN1402...
  • Page 56 Digital CBA Bottom View TP2037 TP2038 1-9-29 1-9-30 BL0600G04013-1...

  • Page 57: Waveforms

    WAVEFORMS WF1 ~ WF14 = Waveforms to be observed at Waveform check points. (Shown in Schematic Diagram.) Input: NTSC Color Bar Signal (with 1kHz Audio Signal) 1DIV: 1.0V 20ns 1DIV: 500mV 20µs WF12 1DIV: 500mV 20µs R1419 R1776 R738 1DIV: 1.0V 4ms 1DIV: 500mV 20µs WF13 1DIV: 500mV 20µs...

  • Page 58: Wiring Diagram

    WIRING DIAGRAM L0605WI 1-11-1...

  • Page 59: Ic Pin Functions

    IC PIN FUNCTIONS IC205 (PDP Micro Controller) Signal Name Function Signal Name Function 34 NU Not Used 35 NU Not Used PROTECT2 Power Supply Protection 36 SD SD Detection PROTECT1 Power Supply Protection 37 NU Not Used Not Used 38 RESET-181 Reset PW181 POWER-SW Power ON key...

  • Page 60: Lead Identifications

    LEAD IDENTIFICATIONS 2SA1015-GR(TPE2) 2SC1815-GR(TPE2) 2SA1175(F) KTC3198(GR) 2SC2785(F) KTA1267(GR) BA1F4M-T KRC103M KTA1266(GR) KTC3199(GR) E C B E C B M38034M4H-159KP CAT24WC02JI CD4051BNSR BR24C02F BR24C02F-W S524C20D21 M24C02-WMN6 PST600L AN17805A Note: A: Anode K: Cathode E: Emitter C: Collector B: Base R: Reference S: Source G: Gate D: Drain...
  • Page 61 EXPLODED VIEWS Cabinet SP801 CLN804 SP802 SP803 CLN803 LED A CBA FL501 SP804 LED B CBA Switch CBA CLN5 CLN1 CLN6 Digital CBA CLN2 CLN8 CLN802 CLN801 Analog CBA CLN603 Filter CBA AC601 PDM501 1-14-1 1-14-2 L0605CEX...
  • Page 62 Packing AC601 X4 X6 TAPE PACKING TAPE PACKING TAPE 1-14-3 L0605PEX...

  • Page 63: Mechanical Parts List

    MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. CLN801 WIRE ASSEMBLY 2P 160CM WX1L0600-015 WX1L0600-015 Before replacing any of these components, read care- CLN802 WIRE ASSEMBLY 2P 110CM WX1L0600-016 WX1L0600-016 fully the product safety notice in this service manual.

  • Page 64: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. D1908 LED 333GT/E NPHZ00333GTE Before replacing any of these components, read care- D1909 LED 333GT/E NPHZ00333GTE fully the product safety notice in this service manual. D1910 LED LAMP LTL2R3CBK5 NPQZL2R3CBK5...
  • Page 65 LED B CBA Ref. No. Description Part No. (Each parts on this CBA can be supplied.) C705 CERAMIC CAP.(AX) F Z 0.01µF/25V CCA1EZTFZ103 C706 CERAMIC CAP.(AX) CH J 100pF/50V CA1J101TU008 Ref. No. Description Part No. C707 CERAMIC CAP.(AX) CH J 100pF/50V CA1J101TU008 LED B CBA ----------...
  • Page 66 Ref. No. Description Part No. Ref. No. Description Part No. ELECTROLYTIC CAP. 100µF/25V M CE1EMASDL101 TRANSISTOR KTC3199(GR) or NQS10KTC3199 C808 ELECTROLYTIC CAP. 1000µF/25V M or CE1EMZNTL102 TRANSISTOR KTC3198(GR) or NQS40KTC3198 ELECTROLYTIC CAP. 1000µF/25V M or CE1EMZPDL102 TRANSISTOR 2SC1815-GR(TPE2) QQS102SC1815 ELECTROLYTIC CAP. 1000µF/25V M CE1EMZADL102 Q204 TRANSISTOR 2SC2785(F) or...
  • Page 67 Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/4W J 10k Ω TRANSISTOR KTC3198(GR) or NQS40KTC3198 R233 RCX4JATZ0103 CARBON RES. 1/4W J 10k Ω TRANSISTOR 2SC1815-GR(TPE2) QQS102SC1815 R234 RCX4JATZ0103 CARBON RES. 1/4W J 10k Ω Q707 TRANSISTOR 2SC2785(F) or QQSF02SC2785 R236...
  • Page 68 Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/4W J 100 Ω METAL OXIDE FILM RES. 2W J 0.68 Ω or R716 RCX4JATZ0101 R810 RN02R68ZU001 CARBON RES. 1/4W J 75 Ω METAL OXIDE FILM RES. 2W J 0.68 Ω R717 RCX4JATZ0750 RN02R68DP004...
  • Page 69 PLASMA DISPLAY MODULE SECTION PLASMA DISPLAY F42PDME Plasma Display Module Section I Safety Precautions I Disassembly and Adjustment I Troubleshooting I Exploded Views I Parts List TABLE OF CONTENTS Safety Precautions..................2-1-1 Disassembly and Adjustment................ 2-2-1 Troubleshooting .................... 2-3-1 Wiring Diagram ..................... 2-4-1 Exploded View ....................

  • Page 70: Safety Precautions

    SAFETY PRECAUTIONS PDP Module is a display device to be divided into a Panel part and a Drive part. The Panel part consists of Elec- trodes, Phosphor, various dielectrics and gas, and the Drive part includes electronic circuitry and PCB. When using/handling this PDP Module, pay attention to the below warning and cautions.
  • Page 71 The temperature of the glass of the display may rise to 80°C or more depending on the conditions of use. If you touch the glass inadvertently, you may be burned. If glass surface of the display breaks or is scratched, do not touch the broken pieces or the scratches with bare hands.
  • Page 72 (25) This product is made from various materials such as glass, metal, and plastic. When discarding it, be sure to contact a professional waste disposal operator. (26) If faults occur due to arbitrary modification or disassembly, LG Electronics is not responsible for function, qual- ity or other items.

  • Page 73: Disassembly And Adjustment

    DISASSEMBLY AND ADJUSTMENT I. DISASSEMBLY 1. Board and Positions of Screw Mount : Screw Fig. DE1 Name of Board No. of Screw B1 PDP PS Unit B2 LVDS CTRL B/D Unit B3 Y DRV UPPER B/D Unit B4 Y DRV LOWER B/D Unit B5 X RIGHT B/D Unit B6 X LEFT B/D Unit B7 Y SUS B/D Unit...
  • Page 74 2. Signal Connectors of Boards Fig. DE2 Name of Cable Disconnecting Note F1 COF (Chip on Film) F2 FPC (Flexible Printed Circuit) F3 FPC (Flexible Printed Circuit) F4 FFC (Flexible Flat Cable) F5 FFC (Flexible Flat Cable) F6 FFC (Flexible Flat Cable) NOTES: 1.
  • Page 75 3. Power Cable Connectors CN807 CN03 CN806 CN805 To Filter CBA P2 P3 P300 P3 P4 P702 P701 Fig. DE4 II. ADJUSTMENT 1. Application Object This standard is applied to the PDP42V6#### PDP Module which is manufactured by the manufacturing team of PDP promotion department or elsewhere.

  • Page 76: Adjustment Items

    3. Adjustment items 3-1. Adjusting the Board Group (1) Adjusting the voltage wave form of Vset-up (2) Adjusting the voltage wave form of Vset-down (3) Adjusting the voltage wave form of Vramp 3-2 Adjustment after assembling (PDP Module adjustment) (1) Setting up the initial voltage and adjusting the voltage wave form of Vsetup (2) Measuring the voltage Margin of Vs and deciding the voltage (3) Adjusting and checking the voltage of DC/DC pack (Vsetup, Vscw, -Vy) (4) Adjusting the voltage wave form of Vset-down...
  • Page 77 4-2. Connection diagram of measuring instrument and setting up the initial voltage E/ X Tub e Y - SUS Z - SUS CONTROLLER X Lef t X rig ht vo lt ag e 1. 5 DC Power Supply for 5V vo lt ag e 65 0.
  • Page 78 Z B/D Waveform (Fig. DE6) Y, Z set-up Waveform (3) Adjusting the Voltage Wave form of Vramp a. Connect oscilloscope Probe to the B37 Pin on Z PCB and the GND. b. Turn the VR3 of Z PCB and make the “C” wave form Fig. DE7 to be 7µs. But, in case of not setting up the Test point, produce same output and adjust wave form connect to other pattern or parts which has no possibility of short.
  • Page 79 5-3. How to Adjust (1) Adjusting initial voltage wave form Check the voltage wave form like the mentioned way on the 4-3(How to adjust) and readjust the wave form when it is wrong. (2) Checking the DC/DC pack voltage a. Convert the signal of signal generator to the 100% Full White signal b.

  • Page 80: Troubleshooting

    TROUBLESHOOTING Below are charts for troubleshooting, even under the condition that both the Digital CBA and the Analog CBA are normal, when there is a malfunction in the plasma display module. FLOW CHART NO.1 No display. (Connector and exhaust tip) Are the connectors and connection normal? Repair them if any malfunction are found.
  • Page 81 FLOW CHART NO.3 No display. (Y SUS B/D unit) Check that the specific voltage is input to the following Refer to FLOW CHART NO.2 (No display (PDP PS unit)). terminals. P6 3, 4pin +5.0V~+5.5V P5 1, 2, 3pin +180V~+195V Is the fuse(FS1,FS2) normal? Replace the Y SUS B/D unit.
  • Page 82 FLOW CHART NO.4 No display. (LVDS CTRL B/D unit) Check that the specific voltage is input to the following Refer to FLOW CHART NO.2 No display (PDP PS unit) terminals. and FLOW CHART NO.3 No display (Y SUS B/D unit). P300 1pin +15V...
  • Page 83 FLOW CHART NO.5 No display. (Z SUS B/D unit) Check that the specific voltage is input to the following Refer to FLOW CHART NO.4 (No display (PDP PS unit)). terminals. P1 1, 2pin +180V~+195V P1 6pin +55V~+65V P1 8pin +5.0V~+5.5V Is the fuse(FS1,FS2, FS3) normal? Replace the Z SUS B/D unit.
  • Page 84 FLOW CHART NO.6 Vertical defect Is the following picture displayed? Check the connectors and connection on LVDS CTRL B/D unit, X RIGHT B/D unit and X LEFT B/D unit. (P109, P110, P111, P210, P211, P212, P213) (If not connected well, it will occur a bar defect.) Is the following picture displayed? Check the connector and connection on LVDS CTRL B/D unit (P701, P702), X RIGHT B/D unit (P2) and...
  • Page 85 FLOW CHART NO.7 Horizontal defect Is the following picture displayed? Check the connectors and connection between Y DRV UPPER B/D unit (P12) and Y DRV LOWER B/D unit (P13). Screen off No improvement can be found. Is the following picture displayed? Check the connector and connection on Y DRV UPPER B/D unit (P1~P4) and Y DRV LOWER B/D unit (P5~P8).
  • Page 86 FLOW CHART NO.8 Mis-discharge Are the Y SUS B/D unit and Z SUS B/D unit signal Confirms whether the connector is connected properly. cables normal? Check diode value of P11 on Y DRV UPPER B/D unit Replace Y DRV UPPER B/D unit or Y DRV LOWER B/D unit.

  • Page 87: Wiring Diagram

    WIRING DIAGRAM PDMWI2 2-4-1...

  • Page 88: Exploded View

    EXPLODED VIEWS OF PDP MODULE 2-5-1 L0605PCEX...

  • Page 89: Parts List

    PARTS LIST Ref. Description Part No. CTRL B/D Assembly(LVDS) 1EDM10576 YDRV Upper B/D Assembly 1EDM10577 YDRV Lower B/D Assembly 1EDM10578 Y SUS B/D Assembly 1EDM10579 Z SUS B/D Assembly 1EDM10580 X RIGHT B/D Assembly 1EDM10581 X LEFT B/D Assembly 1EDM10582 42 PSU Assembly 1EDM10583 2-6-1...
  • Page 90 F42PDME L0605UF 2004-12-13...

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