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MON02-001.pdfSERVICE BULLETIN Product: CRT MONITOR Model: AQ17HS/IS, AQ19IS/MS SyncMaster 700IFT, 750P, 900IFT, 950P Bulletin No.: MON02-001 (01-C/M-E0050) Bulletin Date: October 24, 2001 ECN Date: October 24, 2001 SUBJECT: DY-Wire Clamp Change_________________________________________ Background: The DY-Wire of the SyncMaster 700IFT, 750P, 900IFT, and 950P CRT monitors can cause arcing and other damage. Cause: The DY-wire can touch the sharp edge of the high voltage FET heat sink. This can cause the wire shield to peel off thus causing an arc. Change the routing method and clamp shape. This should be checked on all monitors manufactured before November 2001. (Refer to pictures on page 2 and 3). Solution: Application Date: November 1, 2001 ORIGINAL Location No. Cable Clamp NEW Description Part No. 6502-001058 Part No. 6502-000135 Description DAWH-50N,ID16.6,,NYLON6/6,NTR DAWS-2NA,1D10, -, NTR, NYLON66 Revision (4-4-2002) 1 BEFORE CHANGE Revision (4-4-2002) 2 AFTER CHANGE Revision (4-4
MON02-002.pdfSERVICE BULLETIN Product: CRT MONITOR Model: AQ17KS, PN17KT SyncMaster 753DF, Samtron 76DF Bulletin No.: MON02-002 (01-C/M-E0067) Bulletin Date: April 30, 2002 ECN Date: April 30, 2002 ___________________________ SUBJECT: High Voltage Noise_____________ Background: There may be a high voltage noise in the SyncMaster 753Df and Samtron 76DF using Main PCB BH41-00156A. Symptom can be seen with or without signal. Cause: Solution: Interference is generated between R572 and JP2 Separate the components by leaving a space between them. Leave gap between R572 and JP5. Application Date: We have been applying revised PCB (MP1.3 -> MP1.4) to these monitors since April 27, 2002. ORIGINAL Location No. MAIN PCB NEW Description Part No. BH41-00156A Part No. BH41-00156A Description AQ17KS MAIN PCB (MP1.4) AQ17KS MAIN PCB (MP1.3) Revision (5-14-2002) 1
MON02-003.pdfSERVICE BULLETIN Product: CRT MONITOR Model: AQ19LS, AQ19JS SyncMaster 950B, SyncMaster 955DF Bulletin No.: MON02-003 (01-C/M-E0068) Bulletin Date: May 17, 2002 ECN Date: May 17, 2002 SUBJECT: ATI Radeon Video Adapter Compatibility ___________________________ Background: The ATI Radeon video card displays a dual vertical image at the top and bottom of the display. This usually occurs in 640x480/160Hz video game mode. Normal Display Dual Vertical Image Display Cause: Solution: Capacitor location C304 Change the value of capacitor C304 Application Date: May 20, 2002. ORIGINAL Location No. C304 NEW Description C-MPEF 120nf 63V 5% Part No. 2301-001080 Part No. 2305-000665 Description C-MPEF 100nf 63V 5% Revision (5-20-2002) 1
MON02-004.pdfSERVICE BULLETIN Product: LCD MONITOR Model: GH17LS, GH17ES, GH17VS SyncMaster 171S, 171B, 760V, 170S, Samtron 71S Bulletin No.: MON02-004 (01-C/M-E0069) Bulletin Date: May 6, 2002 ECN Date: May 6, 2002 SUBJECT: ATI Radeon Video Adapter Compatibility ___________________________ Background: The BN44-00064A Inverter board used from March 2002 to April 2002 may fail, causing a high voltage discharge to the transformer coil. The transformer coil may smoke causing a dim display or no video. The BN44-00064A is no longer in use as of May 1, 2002. Note: Other inverter boards used in GH17 models BN44-00041A, BN44-00060A, BN44-00029A don't have this problem. Cause: Solution: Inverter BN44-00064A Factory Korea Mexico Malaysia UK CHINA Upgrade all GH17 monitors that come in for service. First, check the serial number and inverter part number after opening the back cover. If the inverter part number is BN44-00064A (blue color), replace with BN44-00041A inverter. There are 3 versions of the BN44
MON02-005.pdfSERVICE BULLETIN Product: LCD MONITOR Model: RB15N, RB17N SyncMaster 151MP, 171MP Bulletin No.: MON02-005 (02-C/M-E0066) Bulletin Date: March 9, 2002 ECN Date: March 9, 2002 SUBJECT: Intermittent No Video in DTV (DVD) 480P Mode _____________________ Background: There is an intermittent no-video problem with the RB15NS and RB17NS LCD monitors. It occurs in DTV (DVD) 480p mode with the Samsung set-top box model SIRT150X. When you turn the monitor power on and off the symptom may occasionally appear. Cause: Communication error between the monitor's micom IC and set-top box (SIRT150X). Replace old version Micom IC with the revised Micom IC (VER.1.3). Solution: Application Date: March 9, 2002. ORIGINAL Location No. Micom Micom NEW Description Part No. BN97-00032M BN97-00032N Part No. BN97-00032M BN97-00032N Description Assy Micom, RB15NS V1.3 Assy Micom, RB17NS V1.3 Assy Micom, RB15NS V1.1 or V 1.2 Assy Micom, RB17NS V1.1 or V 1.2 Revision (5-21-2002) 1
MON02-006.pdfSERVICE BULLETIN Product: CRT MONITOR Model: AQ17LS SyncMaster 750S SUBJECT: Electronic Shock Background: There may be a leakage current problem with the AQ17LS model monitor if used in a building that has no grounding system (earth ground). Because of this, the user may feel a slight electronic shock when touching the screen or D-sub connector. Cause: Solution: Capacitors C603 and C604. Change the value of capacitors C603 and C604. Bulletin No.: MON02-006 (02-C/M-E0067) Bulletin Date: July 27, 2002 ECN Date: July 27, 2002 Application Date: July 27, 2002 ORIGINAL Location No. C603 C604 NEW Description Part No. 2201-000023 2201-000023 Part No. 2201-000024 2201-000024 Description C-Ceramic Disk, 2.2nf, 20%, 125V C-Ceramic Disk, 2.2nf, 20%, 125V C-Ceramic Disk, 4.7nf, 20%, 250V C-Ceramic disk, 4.7nf, 20%, 250V Revision (5-21-2002) 1
MON02-007.pdfSERVICE BULLETIN Product: CRT MONITOR Model: AQ17IS/HS/NS, AQ19IS/MS/NS/FS, PN19M* SUBJECT: Electronic Shock Background: When a monitor goes into the DPMS, the power supply may create a vibrating sound. The customer may complain about this. Cause: Solution: 210V supply line Change the values of components in 210V line. Bulletin No.: MON02-007 (02-C/M-E0078) Bulletin Date: July 30, 2002 ECN Date: May 2002 Application Date: May 2002 ORIGINAL (PN19M*) Location No. C649 R649 R655 R656 NEW (PN19M*) Part No. 2201-000012 2002-001091 2002-001091 2001-000028 Part No. 2201-000285 2002-001079 2002-001079 2001-000281 Description C-CERAMIC, DISC 1nF,10%,1kV R-COMPOSITION 470Kohm, 5%, W R-COMPOSITION 470Kohm, 5%, W R-CARBON FILM 100 ohm, 5%, 1/8 W Description C-CERAMIC, DISC 0.22nF, 10%, 1kV R-COMPOSITION 270Kohm, 5%, 1/2W R-COMPOSITION 270Kohm, 5%, 1/2W R-CARBON FILM 100 ohm, 5%, 1/2W ORIGINAL (AQ19IS/MS/NS/FS) (AQ17IS/HS/NS) Location No. C649 R649 R655 NEW (AQ19IS/MS/NS/FS) (AQ17IS/HS/
MON02-008.pdfSERVICE BULLETIN Product: CRT MONITOR Model: PG22NS (SyncMaster 1200NF) SUBJECT: Sync Problem Background: When applying 31K/60HZ or 31K/70HZ input signals to the monitor as it heats up, the signal goes off frequency and becomes un-synchronized. Cause: Solution: Insufficient thermal characteristic of capacitor CS216. Change the characteristics of capacitor CS216. Bulletin No.: MON02-008 (02-C/M-E0079) Bulletin Date: August 26, 2002 ECN Date: August 21, 2002 Application Date: August 21, 2002 ORIGINAL Location No. CS216 NEW Description C-CERAMIC, DISC, 0.68nF,10%,50V Part No. 2201-000863 Part No. 2202-000003 Description C-CERAMIC, MLC-RADIAL; 680pF, 2%, 100V Revision (9-3-2002) 1
MON02-009.pdfSERVICE BULLETIN Product: CRT MONITOR Model: PG22NS (SyncMaster 1200NF) SUBJECT: Sync Problem Background: An abnormal pulse may be sent to the micom by turning the power switch on and off rapidly and repeatedly. This can cause a mismatch between the control board and the micom, causing improper operation. Cause: Solution: CS228. Change the characteristics of capacitor CS228. Bulletin No.: MON02-009 (02-C/M-E0080) Bulletin Date: August 26, 2002 ECN Date: August 21, 2002 Application Date: August 20, 2002 ORIGINAL Location No. CS228 NEW Description Part No. 2305-000412 Part No. 2305-000665 Description C-FILM, MPEF; 470nF, 5%, 63V C-FILM, MPEF; 100nF, 5%, 63V Revision (9-3-2002) 1
MON02-010.pdfSERVICE BULLETIN Product: CRT MONITOR Model: AQ19LS, AQ19JS Bulletin No.: MON02-010 (02-C/M-E0081) Bulletin Date: August 28, 2002 ECN Date: August 28, 2002 SUBJECT: Main PCB and Chassis Frame Background: The main PCB touches the metal chassis frame guides. Although the PCB is covered with protective paint, it may cause failures to R513 and R570. Cause: The protective paint wears out with PCB version range MP 1.2 ~ MP 1.4 with a production date of October 2001 ~ August 2002. Permanent solution : Change PCB pattern from ver 1.4 to ver 1.5 (Sep.2002~ ) Changing the PCB pattern from version 1.4 to version 1.5. For all MP 1.2 MP 1.4 in the field, bend the guide to prevent the PCB from touching the metal frame. See page 2 for additional information. Solution: Application Date: August 28, 2002 ORIGINAL Location No. Part No. Description Part No. NEW Description Revision (9-3-2002) 1 Main PBA PCB guide part of metal Bend the guide down very carefully. Bending angle: 45 degree 45
MON02-011.pdfSERVICE BULLETIN Product: MONITOR Model: ALL MODELS Bulletin No.: MON02-011 (02-C/M-E0082) Bulletin Date: September 10, 2002 ECN Date: SUBJECT: DDC PROGRAMMING Background: New main PCB assemblies for CRT and LCD monitors/TVs and DDC EEPROMS must be preprogrammed with the EDID. DDC EDID is the data that is needed for plug and play identification. It is imperative that the DDC EEPROM is programmed properly for the end user. Without the st proper programming, when the monitor is 1 turned on and the PC is powered up, there may be incompatibility between the PC's video adapter and the monitor. Cause: Solution: The main board assembly and new EEPROM are blank from the factory. Reprogram the EEPROM with the correct DDC EDID file. The DDC procedure and files can be found on under service bulletins for monitors. Click here for ( DDC Procedure.pdf ) Click here for ( ) HEX Codes Application Date: September 10, 2002 ORIGINAL Location No. Part No. Description Par
MON02-012.pdfSERVICE BULLETIN Product: CRT MONITOR Model: AQ17LS Bulletin No.: MON02-012 (02-C/M-E0089) Bulletin Date: October 23, 2002 ECN Date: SUBJECT: PURITY PROBLEM Background: When the AQ17LS is first powered up, a purity problem may appear as shown below. Applying the manual degauss function can clear up the problem. Cause: The AQ17LS has a hot plug function. The function is provided by D202. If the monitor is turned on while the PC is in power saving mode (DPMS) the monitor will not degauss due to the hot plug function. This results in a purity symptom. The hot plug enables some PCs to supply +5V, forcing the micom to recognize DPMS recovery. This problem can be caused with some PCs if the monitor is powered up 4-5 seconds after the PC has been powered up. If the user then applies manual degauss or powers down and powers up the monitor again, the purity symptom will disappear. Remove diode D202. If the diode is removed, the monitor will degauss on power up even if the PC is in DPMS. Sol
MON02-013.pdfSERVICE BULLETIN Product: CRT MONITOR Model: AQ17LS, AN17LS PN17LT SUBJECT: Horizontal Output Transistor Background: Samsung has changed the horizontal output type in order to reduce a high number of defects. Cause: Solution: Original transistors KSC5802 or FJAF6810 Improve current surge characteristics by upgrade transistor to FJAF6910. PN17LT June 2002 AQ17LS, AN17LS November 2002 Bulletin No.: MON02-013 (02-C/M-E0092) Bulletin Date: October 30, 2002 ECN Date: Application Date: ORIGINAL Location No. Q404 Q404 NEW Description Part No. 0502-001218 Part No. 0502-001129 0502-001217 Description FJAF6910, NPN, 60000MW, TO-3PF, ST, 7-10 KSC5802, NPN, 70000mW, TO-3PF, ST, 20-40 FJAF6810, NPN, 60000MW, TO-3PF, ST, 5-8 Revision (10-31-2002) 1
MON95-001.pdfSERVICE BULLETIN PRODUCT: Computer Monitor BULLETIN: Monitor 95-001 MODEL: CVP4237P SUBJECT: Part Number Correction BACKGROUND: The CRT and signal cable part numbers were omitted from the parts list of the CVP4237P color monitor service manual. SOLUTION: The correct CRT and signal cable part numbers are listed below: PARTS LIST: Location No. CRT SIG/C Description CRT-Color: M34KUN35X01 CBF-Signal Cable, 1200, Ivory Code No. 897 250159AA 955 460512AAAA Disclaimer: This information is provided "as is" without warranty of any kind either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. REV 4-1 SERVICE BULLETIN PRODUCT: Computer Monitor BULLETIN: Monitor 95-002 MODEL: CSR5987 SUBJECT: CRT Substitution BACKGROUND: When replacing a CRT for this model, the vendor CRT may be substituted with either a Toshiba or Samsung. SOLUTION: Parts must also be substituted in the heater and deflection circuits. Subst
MON95-002.pdfSERVICE BULLETIN PRODUCT: Computer Monitor BULLETIN: Monitor 95-002 MODEL: CSR5987 SUBJECT: CRT Substitution BACKGROUND: When replacing a CRT for this model, the vendor CRT may be substituted with either a Toshiba or Samsung. SOLUTION: Parts must also be substituted in the heater and deflection circuits. Substitute parts are listed in the parts list below according to the CRT manufacturer. PARTS LIST: Location No. CRT 15" Toshiba CRT M36KUT23XX02 (CODE NO. : 897-250125AA) CAP-MPPF, 400V, 304J (CODE NO. : 916-656300TJAX) CAP-MPPF, 400V, 274J (CODE NO. : 916-656270TJAX) NONE 15" Samsung CRT M36KUK35XX02 (CODE NO. : 897-250134AA) CAP-MPPF, 400V, 274J (CODE NO : 916-656270TJAX) CAP-MPPF, 400V, 224J (CODE NO. : 01518-343-224) REF-CF, 1/2W, 5%, 470 ohm (CODE NO. : 911-134707FF) REF-MO, 3W, 5%, 1.6 ohm CODE NO. : 911-311507LFXA) COIL, H-LINEARITY, 4.2uH (CODE NO. : BH27-20003A) ZENOR DIODE UZ5.6V (CODE NO. : 893-299004AE) C447 C442 R324 R639 REF-MO, 3W, 5%, 4.7 ohm (CODE NO. : 911-3

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