1. Manuals
  2. Brands
  3. Sylvania Manuals
  4. Monitor
  5. 6842PF M
  6. Service manual

Sylvania 6842PF M Service Manual

Hide thumbs Also See for 6842PF M:
Table of Contents

Advertisement

Quick Links

Download this manual
SUPPLEMENT
SERVICE MANUAL
Rating Label
Model 6842PF M has non-A and A
version types. For the A version
model, suffix A is printed to the model
number as 6842PF M A on the Rating
Label, and for the non-A version
model, suffix A is not printed to the
Suffix "A"
model number.
Refer to the Rating Label on the back
of the unit to make sure model types.
This service manual is for the 6842PF M A version model, and shows only
the differences between the 6842PF M A version model and 6842PF M
non-A version model. All other information is described in the service
manual of the 6842PF M non-A version model.
PLASMA DISPLAY
6842PF M

Advertisement

Table of Contents
loading

Related Manuals for Sylvania 6842PF M

Summary of Contents for Sylvania 6842PF M

  • Page 1 Refer to the Rating Label on the back of the unit to make sure model types. This service manual is for the 6842PF M A version model, and shows only the differences between the 6842PF M A version model and 6842PF M non-A version model.

  • Page 2: Table Of Contents

    MAIN SECTION PLASMA DISPLAY 6842PF M TABLE OF CONTENTS Electrical Adjustment Instructions ..............1-1-1 Block Diagrams.................... 1-2-1 Schematic Diagrams / CBA’s and Test Points..........1-3-1 Waveforms....................1-4-1 Mechanical Parts List................... 1-5-1 Electrical Parts List ..................1-6-1...

  • Page 3: 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 4 1. V-data Adjustment 3. White Balance Adjustment Purpose: To mix red, green and blue beams correctly Test Point Adj. Point for pure white. J2192 (+B), Symptom of Misadjustment: White becomes bluish VR2350 J2169 (GND) or reddish. M. EQ. Condition & Remarks Spec.
  • Page 5 6. Press "4" button on the normal remote control unit for Red adjustment. Press "6" button on the normal remote control unit for Blue adjustment. 7. In each color mode, press "CH o / p" button to ad- just the values of color. 8.

  • Page 6: Block Diagrams

    BLOCK DIAGRAMS Main Power Supply Block Diagram 1-2-1 L0654BLP...

  • Page 7: 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 8 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 9 Power Supply 1/2 Schematic Diagram CAUTION ! : For continued protection against risk of fire, CAUTION ! : For continued protection against risk of fire, CAUTION ! replace only with same type 8A, 250V fuse. replace only with same type 1A, 250V fuse. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
  • Page 10 Power Supply 2/2 Schematic Diagram CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. NOTE: If Main Fuse (F2400) is blown , check to see that all components in the power supply CAUTION ! : For continued protection against risk of fire, The voltage for parts in hot circuit is measured using replace only with same type 2A, 250V fuse.
  • Page 11 Power Supply CBA Top View CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. CAUTION ! : For continued protection against risk of fire, CAUTION ! : For continued protection against risk of fire, If Main Fuse (F2100, F2102, F2300, F2400) is blown , check to see that all components in the power replace only with same type 8A, 250V fuse.
  • Page 12 Power Supply CBA Bottom View CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. CAUTION ! : For continued protection against risk of fire, CAUTION ! : For continued protection against risk of fire, If Main Fuse (F2100, F2102, F2300, F2400) is blown , check to see that all components in the power replace only with same type 8A, 250V fuse.

  • Page 13: Waveforms

    WAVEFORMS WF1 ~ WF17 = Waveforms to be observed at Waveform check points. (Shown in Schematic Diagram.) 1DIV: 500mV 20µs 1DIV: 500mV 20µs WF13 1DIV: 20V 20µs C4208 C3103 D2251 Anode WF14 1DIV: 100V 4ms 1DIV: 500mV 20µs UPPER TP3197 D2353 Anode C4204 LOWER WF8...

  • Page 14: Mechanical Parts List

    MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. CLN9 WIRE ASSEMBLY 4P(AUDIO POWER) WX1L0650-011 WX1L0650-011 Before replacing any of these components, read CLN10 WIRE ASSEMBLY 10C(MAINPSU-ANALOG) 10 WX1L0650-020 carefully the product safety notice in this service 390 AWG28 RED GRA...

  • Page 15: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C4707 CHIP CERAMIC CAP .(1608) CH J 100pF/50V CHD1JJ3CH101 Before replacing any of these components, read C4708 ELECTROLYTIC CAP . 47µF/16V M CA1C470SP085 carefully the product safety notice in this service C4709...
  • Page 16 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES. 1/10W J 10k Ω C4862 ELECTROLYTIC CAP . 10µF/50V M CA1J100SP085 R4310 RRXAJR5Z0103 CHIP RES. 1/10W J 10k Ω CONNECTORS R4311 RRXAJR5Z0103 CHIP RES. 1/10W J 10k Ω R4312 RRXAJR5Z0103 CN4501...
  • Page 17 JACK CBA Ref. No. Description Part No. CHIP RES. 1/10W J 390 Ω R4753 RRXAJR5Z0391 Ref. No. Description Part No. CARBON RES. 1/4W J 100 Ω R4754 RCX4JATZ0101 JACK CBA ---------- CHIP RES. 1/10W J 47k Ω R4755 RRXAJR5Z0473 Consists of the following: CARBON RES.
  • Page 18 Ref. No. Description Part No. Ref. No. Description Part No. L4602 FILTER LLBG00ZY2015 LLBG00ZY2015 C2308 CERAMIC CAP .(AX) F Z 0.01µF/25V CCA1EZTFZ103 RESISTOR C2350 FILM CAP .(P) 0.1µF/50V J CA1J104MS029 SOLID RES.(UL) 1/2W 3.3M Ω C2352 CAP ELE SML-105 10µF 25V M CE1EMASTJ100 R4601 RSX2335KE010...
  • Page 19 Ref. No. Description Part No. Ref. No. Description Part No. D2111 RECTIFIER DIODE 1N4005 NDQZ001N4005 D2500 LED(GREEN) LTL-1CHGE NPQZLTL1CHGE D2112 RECTIFIER DIODE 1N4005 NDQZ001N4005 D2515 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133 D2114 RECTIFIER DIODE 1N4005 NDQZ001N4005 D2153 DIODE 1ZC36(Q) QDLZ001ZC36Q IC2100 POWER FACTOR PREREGULATOR NSZBA0STY226 UCC2818ANG4 D2154...
  • Page 20 Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/4W J 15 Ω METAL OXIDE FILM RES. 3W J 47k Ω R2112 RCX4JATZ0150 R2252 RN03473ZU001 RES METALIZE FILM 1/4W F 3.92k Ω CARBON RES. 1/4W J 820 Ω R2114 RMX4FATH3921 R2253...
  • Page 21 Ref. No. Description Part No. Ref. No. Description Part No. CARBON RES. 1/4W J 910 Ω R2414 RCX4JATZ0911 BC2301 BEADS INDUCTOR FBR07HA121SB-00 LLBF00STU030 CARBON RES. 1/4W J 33k Ω R2415 RCX4JATZ0333 BC2400 BEADS INDUCTOR FBR07HA121SB-00 LLBF00STU030 R2416 PCB JUMPER D0.6-P5.0 JW5.0T CLN17 LEAD WIRE U L1007/AWG26/BLK/60MM...
  • Page 22 Ref. No. Description Part No. Ref. No. Description Part No. C2004 CERAMIC CAP . 0.0033µF/2KV CCD3DKP0B332 IC2001 PHOTO COUPLER LTV817MCF NPECLTV817MF C2007 CERAMIC CAP . B K 1000pF/2KV CCD3DKP0B102 IC2050 IC SHUNT REGULATOR KIA431-AT/P NSZBA0TJY036 C2009 FILM CAP .(P) 0.033µF/50V J CA1J333MS029 IC2051 REGULATOR PQ1CG2032FZH...
  • Page 23 Ref. No. Description Part No. CARBON RES. 1/4W J 4.7k Ω R2080 RCX4JATZ0472 CARBON RES. 1/4W J 18k Ω R2081 RCX4JATZ0183 CARBON RES. 1/4W J 13k Ω R2082 RCX4JATZ0133 CEMENT RESISTOR 5W J 6.8 Ω R2084 RW056R8PAK10 CARBON RES. 1/4W J 120k Ω R2085 RCX4JATZ0124 CARBON RES.
  • Page 24 PLASMA DISPLAY MODULE SECTION PLASMA DISPLAY 6842PF M TABLE OF CONTENTS Safety Precautions..................2-1-1 CBA Structure & Parts List................2-2-1 Trouble Shooting Guide ................2-3-1 Adjustment Procedure .................. 2-4-1 Wiring Diagram ..................... 2-5-1...

  • Page 25: Safety Precautions

    SAFETY PRECAUTIONS General Guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 26: Cba Structure & Parts List

    CBA STRUCTURE & PARTS LIST LOCATION PART NO. PART NAME CBA NAME Format Converter, Plasma AI Processor (1) D 1ESA13791 D CBA UNIT Sub-Field Processor (2) SS 1ESA13794 SS CBA UNIT Sustain Drive (3) SC 1ESA13792 SC CBA UNIT Scan Drive (4) SU 1ESA13795 SU CBA UNIT...

  • Page 27: Trouble Shooting Guide

    TROUBLE SHOOTING GUIDE How to identify SOS Signal When an abnormality has occurred in the PDP module, the protection circuit operates and reset to the stand-by mode. Below are how to identify SOS signal. We can specify the portion which is out of order by this method. It is conditions that main power CBA, sub power CBA, analog CBA and digital CBA are normal.
  • Page 28 NO PICTURE NO Picture Check Check Check D6583 D6253 SC CBA Unit D CBA Unit SS CBA Unit Drive circuits LED indicator SC CBA Unit SS CBA Unit D6583 D6253 2-3-2 L0655TSG...
  • Page 29 LOCAL SCREEN FAILURE Plasma display may have local area failure on the screen. Figure 2 is the possible defect CBA for each local area. SU CBA Unit SC CBA Unit SS CBA Unit D CBA Unit SD CBA Unit C2 CBA Unit C1 CBA Unit D CBA Unit D CBA Unit...

  • Page 30: Adjustment Procedure

    ADJUSTMENT PROCEDURE DRIVER SET-UP Item / Preparation 1. lnput an APL 100% white signal. Adjustments Adjust driver section voltages as shown below. Name Test Point Voltage Volume Remarks TPVE (SS) Ve ± 1V VR6000 (SS) See the Panel label Vset TPVSET (SC) 232V ±...
  • Page 31 CBA EXCHANGE Caution 1. To remove CBA, wait 1 minute after power was off for discharge from electrolysis capacitors. Quick adjustment after CBA exchange. Name Test Point Voltage Volume Remarks SC CBA Unit TPVAD (SC) -90V ± 1V VR6600 (SC) SS CBA Unit TPVE (SS) Ve ±...

  • Page 32: Wiring Diagram

    WIRING DIAGRAM L0655PDMWI 2-5-1...
  • Page 33 6842PF M L0654UE 2006-09-14...

This manual is also suitable for:

6842pf m a

Table of Contents