Samsung SP-L351 Manuel d'utilisateur

SPECIFICATIONS1. PICTURE TUBESize : 17 inch (Flat Square Tube)Gun : In-lineDefIection Angle : 90¡Neck Diameter : 29.1 mmPhosphor : P22Dot Pitch : 0

P901Signal CableAC SocketP702P401P804P803P802P801P402P403P701P502P805P201 P202P304P302FBTP301P303W1J12P3P4P1MICSPEAKERSPEAKERP902P703P601- 11 -WIRING

BLOCK DIAGRAM- 14 -VIDEOPRE-AMP(MC13282)(IC301) DEGAUSSING CIRCUIT VIDEO OUTPUT DISCRETE CIRCUIT(Q331, 333, 335)CRT CUT-OFFADJUSTMENTMICOMMC68HC

DESCRIPTION OF BLOCK DIAGRAM1. Line Filter & Associated Circuit.This is used for suppressing noise of power input lineflowing into the monitor and

13. H-Linearity Correction Circuit.This circuit corrects the horizontal linearity for eachhorizontal sync frequency.14. H-Raster Centering Circuit.Thi

TROUBLESHOOTING GUIDE- 19 -1. NO POWERNO POWER(POWER INDICATOR OFF)TROUBLE IND901TROUBLE IN FUSE(F901)TROUBLE IN IC901, IC902Q911, Q921TROUBLE IN D951

- 20 -2. NO CHARACTERNO CHARACTERCHECKIC301 PIN 1, 3, 5,8, 9, 10, 12, 17 (8V)?CHECK IC301 PIN 2, 4, 6 ?CHECK IC301 PIN 15, 19, 22 ?CHECK R, G, B CATH

- 21 -3. NO RASTERNO VIDEO(POWER INDICATOR ON)CHECK POWER INDICATORGREEN or ORANGE?CHECKD795 CATHODE?(40V)CHECKG1 VOLTAGE?(-10~20V)TROUBLE INQ714TROUB

- 22 -4. NO HORIZONTAL DEFLECTIONNO H-DEFLECTION(ONE VERTICAL LINE)CHECKQ743?CHECK B+ VOLTAGE(175V)?CHECKQ512 EMITTERWAVE FORM?CHECK T702 PIN 4 B+ VOL

- 23 -5. TROUBLE IN H-LINEARITYUNBALANCED OF H-LIN.CHECKIC401 PIN 18, 19, 20, 21 ?CHECK Q751~Q758?CHECK Q761 EMITTERVOLTAGE?TROUBLE IN IC401(MICOM)TRO

- 24 -6. NO VERTICAL DEFLECTIONNO V-DEFLECTION(ONE HORIZONTAL LINE)CHECKIC601 PIN 3(15V)?CHECK IC601 PIN 7 (40V)?CHECKIC701 PIN 12, 13?TROUBLE IN R602

- 25 -7. NO CONTRASTNO CONTRASTCHECKQ774 COLLECTOR?CHECK ABL-OUT VOLTAGE?CHECKIC301 PIN 13?TROUBLE IN IC301, Q774ABL-OUT VOLTAGE (11V AT BLACK PATTERN

- 26 -8. TROUBLE IN OSDTROUBLE INOSD PERIPHERALCIRCUITCHECKIC311 PIN 21, 22, 23 ?NO OSDTROUBLE IN 5V LINETROUBLE INIC601 PIN 8 (V-FBP),T702, H-FBP LIN

- 27 -9. TROUBLE IN DPMCHECK IC401(MICOM)PIN 1, 42 (H/V INPUT)SIGNAL?CHECK IC401 PIN 6 WAVEFORM?CHECK IC401(MICOM)PIN 11, 12 ?CHECK B+LINE (6.3V, 12V,

- 28 -10. NO DEGAUSSINGCHECK IC401 PIN 22 (4.8V)?CHECK Q991 COLLECTOR VOLTAGE?CHECK P901?CHECK RL901?TROUBLE IN IC401(MICOM) TROUBLE INQ911TROUBLE INP

- 29 -11. NO TILT (NO ROTATION)NO TILT (NO ROTATION)TROUBLE IN IC401(MICOM)TROUBLE IN15V LINE, 6.3V LINETROUBLE INQ501~Q504TROUBLE INP502, TILT COILNO

- 30 -12. TROUBLE IN AUDIOTROUBLE INSPEAKER, P3, P4,P801, P802, JA802NO AUDIO(NO SOUND)TROUBLE IN JA1, P1, P2TROUBLE INIC1CHECKIC1 PIN 4, 15(AUDIO SIG

GENERAL INFORMATIONAll adjustment are thoroughly checked and correctedwhen the monitor leaves the factory, but sometimesseveral minor adjustment may b

- 18 -Figure 1. Cable Connection220Monitor to beadjustedVIDEOSIGNAL GENERATORIBMCompatible PCPARALLEL PORTPower inlet (required)Power LEDST SwitchPowe

- 12 -DISASSEMBLY1. TILT/SWIVEL REMOVAL(1)Set the monitor face down.(2)Pressing the latch (a), carefully remove theTilt/Swivelby pulling it upward.3.

- 13 -5. BOTTOM BRACKET REMOVAL(1) Remove eight screws (a).(2) Remove the Bottom Bracket.6. MAIN BOARD ASSEMBLY REMOVAL(1) Remove ten screws (a).(2)

- 10 -CONTROL LOCATIONSMAINVIDEO89107123456SW201VR201 VR202SW206 SW205SW204 SW203SW202SW701CONTROLEARPHONE JACKMIC JACKMIC OUTAUDIO INAUDIOSPEAKERSPEA

- 4 -VIDEOSYNCCEDFABMODEResolutionRECALLHORIZONTALVERTICALkHz µs µs µs µs µs µsHzmsmsmsmsmsmsMODE 1 Ñ31.4731.7825.426.360.643.811.91+70.08014.26912.71

REPLACEMENT PARTS LISTCAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL.* NOTE : S SAFETY Ma

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKC530 0CQ1021N419 CAPACITOR, POLYESTER, 1000P 10

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKC738 0CE1076H618 CAPACITOR, AL.ELECTROLYTIC, 10

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKC924 0CE4766H618 CAPACITOR, AL.ELECTROLYTIC, 47

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKD521 0DD131009AC DIODE, SWITCHING, 1SS131, SWIT

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKD790 0DD131009AC DIODE, SWITCHING, 1SS131, SWIT

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKIC951 0ISS781200F IC, SAMSUNG ELECTRONICS, KA78

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKQ575 0TR102409AB TRANSISTOR, KTA1024-Y (KTA949)

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKR410 0RD4701F609 RESISTOR, FIXED CARBON FILM, 4

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKR522 0RD3901F609 RESISTOR, FIXED CARBON FILM, 3

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKR610 0RD1000F609 RESISTOR, FIXED CARBON FILM, 1

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKR754 0RD1002F609 RESISTOR, FIXED CARBON FILM, 1

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKR906 0RD3003G609 RESISTOR, FIXED CARBON FILM, 3

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKF901 430-858C FUSE, HOLDER, AFC-520 (BAEEUN)F9

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKC318 0CH3104K946 CAPACITOR, CHIP[CERAMIC LD-LES

- 54 -MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKD303 0DD131009AC DIODE, SWITCHING, 1SS131

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKL348 125-155A CORE (CIRC), FERRITE, BEAD (BFD35

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKR312 0RD1502F609 RESISTOR, FIXED CARBON FILM, 1

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKR368 0RD1004F609 RESISTOR, FIXED CARBON FILM, 1

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKP202 6602T20003B WAFER, MOLEX 35363-0310 LOCKIN

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKC1 0CN1020K519 CAPACITOR, TUBULAR(HIGH DIELEC),

MODEL: (StudioWorks) 77M DATE: 1998 . 2. 1. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION REMARKR10 0RD8200F609 RESISTOR, FIXED CARBON FILM, 82

- 35 -7. AUDIO BOARD (Component Side)8. AUDIO BOARD (Solder Side)

BEXPLODED VIEWACD1234567891011121316171819142021222425262723283032311-11-215-215-129-129-2- 38 -EXPLODED VIEW PARTS LISTRef. No.11-11-2 23456789101112