Sylvania 6842PE Service Manual
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Sylvania 6842PE Service Manual

Sylvania 6842PE 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
Model 6842PE has both an "A"
version and a non "A" version.
This manual applies to the "A"
version of Model 6842PE, called
6842PE A on the rating label, as
shown right.
PLASMA
DISPLAY
6842PE
("A" version)
Plasma Display Module Section
I Disassembly Procedures
I Troubleshooting
I Exploded Views
I Parts List
Model Name
Rating Label

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Summary of Contents for Sylvania 6842PE

  • Page 1: Service Manual

    I Parts List Model 6842PE has both an "A" Model Name version and a non "A" version. This manual applies to the "A" version of Model 6842PE, called 6842PE A on the rating label, as shown right. Rating Label PLASMA DISPLAY 6842PE...

  • Page 2: Important Safety Notice

    IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai and de- scribed in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.

  • Page 3: Table Of Contents

    MAIN SECTION PLASMA DISPLAY 6842PE ("A" version) 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 998 (W) x 591 (H) x 1074 (D) 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 400 cd/m (PEAK) Comb Filter Type...
  • Page 5 DIMENSIONS 58 57 1054 934.9 1-1-2 L0604SP...

  • 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: Main Unit

    BASIC SETUP AND OPERATING GUIDE MAIN UNIT Front Rear STANDBY ON POWER VOLUME INPUT SELECT Input Terminals STANDBY ON POWER AUDIO VOLUME INPUT SELECT VIDEO2 S-VIDEO2 Input Terminals Infrared Sensor AUDIO A C I N AUDIO OUT COMPONENT 1 AUDIO VIDEO1 S-VIDEO1 COMPONENT 2...

  • 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 PCB Shield Plate 18(S-10) item(s) to be serviced. When reassembling, follow the Shield Box 14(S-11) steps in reverse order.
  • Page 17 Reference Notes in the Table 22.Removal of the Panel Spacer. Remove screws 8(S-26) and 8(S-27). Caution: 23.Removal of the Jack Cover. Remove screws 2(S- Refer to "General Caution of Plasma Display" and 28). "PDP Module Handling" of "IMPORTANT SAFETY PRECAUTIONS" section not to injure and/or break the Plasma Display Module.
  • Page 18 (S-1) (S-1) (S-1) (S-1) (S-1) (S-1) [1] Rear Cabinet Fig. 1 [3] Filter Holder(L) (S-2) (S-2) [5] Optical Filter (S-2) (S-3) (S-4) [4] Filter Holder(S) (S-2) (S-3) (S-4) (S-4) [4] Filter Holder(S) (S-3) (S-4) [3] Filter Holder(L) [2] Front Cabinet Assembly Fig.
  • Page 19 (S-5) [6] Decoration Panel (S-5) (S-5) (S-5) [7] Front Cabinet Fig. 3 [12] Shield Box (S-11) (S-11) (S-10) [8] Jack Bracket (S-10) (S-6) (S-6) [11] PCB (S-10) (S-7) Shield Plate (S-9) (S-8) (S-10) (S-7) (S-11) [9] Jack Holder (S-10) [10] Jack CBA (S-11) (S-11) [12] Shield Box...
  • Page 20 (S-12) [13] Digital CBA [14] Analog CBA (S-12) (S-14) [15] Filter (S-14) [16] PCB Holder (S-18) (S-16A) Inlet Holder (S-18) (S-17) (S-18) (S-13) AC Cord (S-15) (S-16B) Fig. 5 (S-19B) [17] Stand Cover (S-19B) (S-19) [19] Stand Base (S-20) (S-20) (S-19) (S-21) (S-19B)
  • Page 21 (S-25) [23] Speaker [21] Speaker Holder [24] Chassis Bracket (S-27) (S-26) (S-24) [22] Speaker Cover [24] Chassis (S-22) Bracket (S-27) (S-25) (S-27) (S-26) (S-25) (S-27) (S-26) (S-26) (S-23) (S-27) (S-26) (S-25) [25] Panel Spacer (S-26) (S-22) [26] Jack Cover (S-24) (S-28) (S-22) [23] Speaker...
  • Page 22 Plasma Display Cable Wiring Diagram Cables on the Digital CBA Clamper Ferrite core (FC1) Clamper CN1704 CN1707 Clamper CN1706 CN203 CN1703 CN201 CN1702 CN701 CN1701 Swtich CBA CN1902 Clamper Digital CBA Fig. 9 Cables on the Analog CBA Ferrite core (FC1) Wrap the Clamper wires twice...
  • Page 23 Cables on the Filter CBA Clamper CN8001 Earth Clamper Clamper CN602 CN601 Filter Fig. 11 1-5-8 L0604DC...

  • Page 24: 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 25: 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 26 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 27: Troubleshooting

    TROUBLESHOOTING FLOW CHART NO.1 The power cannot be turned on. Is the fuse normal? Remove CLN601 connecting to CN501 and check whether Pins (1,2,5,8,9,11) on CLN601 are Not shorted Shorted Replace the Plasma After replacing fuse, Display Module. does it break when turning the power on ? Check each line of power supply on the Analog Remove CLN601 connecting to CN501.
  • Page 28 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 29 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 (9) Pin (9)
  • Page 30 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 31: Block Diagrams

    BLOCK DIAGRAMS System Control Block Diagram 1-8-1 L0604BLS...
  • Page 32 Video Block Diagram 1-8-2 L0604BLV...
  • Page 33 Digital Signal Process 1 Block Diagram 1-8-3 L0604BLD1...
  • Page 34 Digital Signal Process 2 Block Diagram 1-8-4 L0604BLD2...
  • Page 35 Audio Block Diagram L0604BLA 1-8-5...
  • Page 36 Power Supply Block Diagram 1-8-6 L0604BLP...

  • Page 37: 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 38 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 39 Digital 1/5 Schematic Diagram *1 Note: Audio Signal Video Signal 1. The order of pins shown are different from that of IC1401 itself. 2. Some pins are not shown because they are not used. DIGITAL 1/5 3. IC1401 is shown as IC1401(1/4) through IC1401(4/4) in Digital Schematic Diagram section. Ref No.
  • Page 40 Digital 2/5 Schematic Diagram DIGITAL 2/5 Video Signal Ref No. Position IC1101 IC1502 IC1503 IC1504 IC1505 IC1506 IC1507 TRANSISTORS Q1101 Q1102 Q1701 Q1702 Q1703 Q1704 Q1705 Q1706 CONNECTOR CN1701 L0604SCD2 1-9-5 1-9-6...
  • Page 41 DIGITAL 3/5 Digital 3/5 Schematic Diagram Ref No. Position *1 Note: 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 42 Digital 4/5 Schematic Diagram *1 Note: 1. The order of pins shown are different from that of IC1401 itself. Video Signal DIGITAL 4/5 2. Some pins are not shown because they are not used. Ref No. Position 3. IC1401 is shown as IC1401(1/4) through IC1401(4/4) in Digital Schematic Diagram section. IC1401(3/4) IC1402 IC1404...
  • Page 43 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. AB-3 IC1102 2. Some pins are not shown because they are not used. 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 44 Analog 1/2 Schematic Diagram ANALOG 1/2 Ref No. Position IC201 IC204 IC205 TRANSISTORS Q206 Q207 Q271 Q272 Q501 Q503 CONNECTORS CN202 CN203 CN204 CN501 CN502 1-9-13 L0604SCA1 1-9-14...
  • Page 45 Analog 2/2 Schematic Diagram Audio Signal Video Signal ANALOG 2/2 Ref No. Position IC202 IC203 IC801 TRANSISTORS Q203 Q204 Q205 Q701 Q702 Q703 Q704 Q705 Q706 Q707 Q708 Q709 Q710 Q711 Q712 Q801 CONNECTOR CN201 CN701 CN702 CN801 CN802 1-9-15 1-9-16 L0604SCA2...
  • Page 46 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 47 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 Q501 Q503 Q701 Q702 Q703 Q704 Q705 Q706 Q707 Q708 Q709 Q710 Q711 Q712 Q801...
  • Page 48 Analog CBA Bottom View 1-9-21 1-9-22 BL0600F01011-1...
  • Page 49 Jack CBA Top View Jack CBA Bottom View 1-9-23 1-9-24 BL0600F01011-2...
  • Page 50 Switch CBA Top View Switch CBA Bottom View 1-9-25 1-9-26 BL0600G04011-2...
  • Page 51 Filter CBA Top 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 52 Digital CBA Top View R1421 R1420 DIGITAL CBA Ref No. Position IC1101 IC1102 IC1201 R1419 IC1202 IC1301 IC1401 IC1402 IC1403 IC1404 IC1501 IC1502 IC1503 IC1504 IC1505 IC1506 IC1507 IC1508 IC1509 IC1510 TRANSISTORS Q1101 Q1102 Q1401 Q1701 Q1702 Q1703 Q1704 Q1705 Q1706 CONNECTORS CN1402...
  • Page 53 Digital CBA Bottom View TP2022 TP2023 1-9-31 1-9-32 BL0600G04011-1...

  • Page 54: 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 55: Wiring Diagram

    WIRING DIAGRAM L0604WI 1-11-1...

  • Page 56: 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 57: 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-092KP 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 58: Exploded Views

    EXPLODED VIEWS Cabinet FL501 Switch CBA CLN5 CLN2 Digital CBA CLN1 CLN3 CLN3 CLN6 "A" SP802 PDM501 "B" "A" CLN802 Analog CBA Filter CBA Jack CBA AC601 CLN7 "B" SP801 CLN801 1-14-1 1-14-2 L0604CEX...
  • Page 59 Packing AC601 TAPE PACKING TAPE PACKING TAPE 1-14-3 L0604PEX...

  • Page 60: 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 450MM WX1L0600-008 WX1L0600-008 Before replacing any of these components, read care- CLN802 WIRE ASSEMBLY 2P 1000MM WX1L0600-009 WX1L0600-009 fully the product safety notice in this service manual.

  • Page 61: Electrical Parts List

    ELECTRICAL PARTS LIST NOTE: DIGITAL CBA ASSEMBLY The DIGITAL CBA and ANALOG CBA must Ref. No. Description Part No. be the same version. When both CBAs ver- DIGITAL CBA ASSEMBLY 0ESA05882 sion are different, malfunction may occur. Consists of the following: DIGITAL CBA ---------- When replacing either DIGITAL CBA or...
  • Page 62 ANALOG CBA ASSEMBLY Ref. No. Description Part No. C712 CERAMIC CAP.(AX) B K 1000PF/50V CCA1JKT0B102 Ref. No. Description Part No. C713 ELECTROLYTIC CAP. 0.47µF/50V M or CE1JMASTLR47 ANALOG CBA ASSEMBLY 0ESA05879 ELECTROLYTIC CAP. 0.47µF/50V M CE1JMASDLR47 Consists of the following: C714 CERAMIC CAP.(AX) B K 1000PF/50V CCA1JKT0B102...
  • Page 63 Ref. No. Description Part No. Ref. No. Description Part No. CONNECTORS TRANSISTOR KTA1267(GR) or NQS10KTA1267 TRANSISTOR KTA1266(GR) or NQS40KTA1266 CN201 TWG CONNECTOR 09P TWG-P09P-A1 J3TWA09TG001 TRANSISTOR 2SA1015-GR(TPE2) QQS102SA1015 CN203 TWG CONNECTOR 23P TWG-P23P-A1 J3TWA23TG001 Q501 TRANSISTOR 2SC2785(F) or QQSF02SC2785 CN204 PH CONNECTOR, TOP 6P B6B-PH-K-S J3PHC06JG001 TRANSISTOR KTC3199(GR) or...
  • Page 64 Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/4W J 4.7k Ω RESISTORS R265 RCX4JATZ0472 CARBON RES. 1/4W J 10k Ω CARBON RES. 1/4W J 100 Ω R271 RCX4JATZ0103 R201 RCX4JATZ0101 CARBON RES. 1/4W J 10k Ω CARBON RES.

  • Page 65: Jack Cba

    Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/4W J 39k Ω R752 RCX4JATZ0393 MISCELLANEOUS CARBON RES. 1/4W J 390 Ω R753 RCX4JATZ0391 BC751 PCB JUMPER D0.6-P5.0 JW5.0T CARBON RES. 1/4W J 100 Ω R754 RCX4JATZ0101 JK751 Y/C JACK YKF51-5558N JYEJ040JC001...
  • Page 66 PLASMA DISPLAY MODULE SECTION PLASMA DISPLAY 6842PE ("A" version) Plasma Display Module Section I Disassembly Procedures I Troubleshooting I Exploded Views I Parts List TABLE OF CONTENTS Disassembly Instructions ................2-1-1 Troubleshooting .................... 2-2-1 Wiring Diagram ..................... 2-3-1 Exploded View ....................2-4-1...

  • Page 67: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. Board and Heat Dispersion Bar Layout, and Positions of Screw Mount : Screw Name of Board Abb. No. of Screw B1 X-Main Unit B2 Y-Main Unit B3 Y-Buffer (upper) Unit B4 Y-Buffer (lower) Unit B5 Logic Main Unit B6 Logic E Buffer Unit B7 Logic F Buffer Unit B8 Logic G Buffer Unit...
  • Page 68 2. Signal Connectors of Boards F3 F5 Name of Cable Connection Disconnecting Note Connecting Note F1 FPC (Flexible Printed Circuit) Panel -YBU, L F2 Flat Cable Panel - XM F3 FFC (Flexible Flat Cable) LM-YM F4 FFC (Flexible Flat Cable) LM-XM F5 FFC (Flexible Flat Cable) LM-LBE...
  • Page 69 3. Power Cable Connectors Clamper CN8009 CN8003 CN8002 CN4001 CN5008 Clamper CN8005 CN9005 CN8004 CN9007 CN8007 CN8001 CN8008 CN9006 To Filter Clamper CN803 CN806 FE1 FG1 4. CAUTIONS: 1. The PDP module uses high voltage which is dangerous to the human body. It is required for the service tech- nician to check if any foreign material is inside which causes electrical short before power on.
  • Page 70 3) Earth Ring Name: Wrist band for preventing Static Electricity Model name: KS-1059 (Wire type) Length: 2.7 m Purpose of Using too: Protect Circuit Board Damage Caused by Static Electricity Manufacturer: Kostat 4) Small Driver: Small ceramic driver for level (VR) adjust 5) Dummy Discharge Resistor: 2.4kΩ10W (2) Measuring Devices 1) Oscilloscope: 500MHz sampling...
  • Page 71 (3) How to check Miss-alignment of TCP 1. Disconnect connector (CN806). CN806 2. Check that connector (EF1) and connector (FE1) are connected. 3. Check that connector (FG1) and connector (GF1) are connected. 4. Measure the resistance between pin 1 and pin 5 of CN806. - resistance >...
  • Page 72 (2) YBU, YBL and/or YM 1. Disconnect all FPC connectors of YBU and YBL. 2. Disconnect the connectors of CN5001 and CN5008 on YM. 3. Unscrew all screws of YBU, YBL, and YM. 4. Take out the boards from the chassis. Connectors 5.
  • Page 73 (3) XM 1. Disconnect connectors CN4001 and CN4002. 2. Remove all flat cables. Note: Refer to “2. Signal Connectors of Boards” section on page 2-1-2. 3. Unscrew all screws of XM and remove it. Caution: 1. The connection of FFC connectors must be completely aligned and locked tightly.
  • Page 74 (5) Main PSU A. Discharging 1) Points to be discharged CN8002 Pin 10 Main PSU CN8009 Vscan, CN8003 Vset Pin 1 Pin 9 Vs,Ve Pin 1 CN8005 Pin 5 Pin 5 Pin 1 Pin 1 2) Voltage Rating and Discharge Time Vset Vscan Voltage (Typical)
  • Page 75 B. Disassebmly of Main PSU and Sub PSU CN8002 CN8009 CN8003 Sub PSU Main PSU CN9005 CN8005 CN9007 CN8004 CN8001 CN8007 CN9006 CN8008 1) Main PSU 1. Discharge all the charges which may remain in capacitors of PSU. 2. Disconnect all connectors between Main PSU and other Board as shown above. 3.

  • Page 76: 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 The power cannot be turned on. (SMPS unit) Is AC120V voltage supplied to Pin(1,3) of CN8001? Check CN8001, cables and fuses on Filter CBA.
  • Page 77 FLOW CHART NO.3 No picture on the screen or is not displayed normally. (SMPS unit is normal) Replace the Y-MAIN unit. Is the fuse (F5001~F5003) normal on the Y-MAIN unit? Check that there is no shortcut between source drains Replace the Y-MAIN unit. of FETs on the Y-MAIN unit.
  • Page 78 FLOW CHART NO.4 There are lines which are not displayed horizontally. Replace Y-BUFFER(UPPER) unit or There is a malfunction either on Y-BUFFER(UPPER) unit or Y-BUFFER(LOWER) unit. Y-BUFFER(LOWER) unit. Is there the same symptom? Replace the PLASMA DISPLAY PANEL. FLOW CHART NO.5 There are lines which are not displayed vertically.

  • Page 79: Wiring Diagram

    WIRING DIAGRAM PDMWI 2-3-1...

  • Page 80: Exploded View

    EXPLODED VIEWS OF PDP MODULE 2-4-1 L0600PCEX...

  • Page 81: Parts List

    PARTS LIST NOTE: Parts that are not assigned part numbers (---------) are not available. Ref. Desctiption Part No. Y-FPC ---------- X-FPC ---------- PANEL ---------- TCP Film ---------- Assy,Chassis Base ---------- Y-Main Unit 1EDM10315 X-Main Unit 1EDM10314 Logic Main Unit 1EDM10313 Y-Buffer (upper) Unit 1EDM10321 10 Y-Buffer (lower) Unit...
  • Page 82 6842PE L0604UE 2004-09-21...

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