Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung Monitor Samsung_PN43D490A1DXZA_fast_track_guide_[SM]

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      PN43D490A1DXZA                          Fast Track Troubleshooting Manual - Rev 1/10/12
                                               Vs Va Vsc Ve                                               SERVICE BULLETINS
                                               Voltages
                                                                                                2011 PDP Option Byte Table
           Buffer Y                                                                                 ASC20110630001
                                                              V
                                                                                   X Main       Quick Parts: Verify any parts changes
                                                 SMPS
                                                                                                before Ordering.



                                                                                   Buffer X
                                     Logic
                 Y Main
                                     Main PCB


                                                                            Main PCB

                  Spkr R             Buffer                                      Spkr L
                                                                  Buffer


HELP : 888-751-4086; 866-894-0637 FE)                         FIRMWARE
GSPN
http://gspn3.samsungcsportal.com
                                                              T-MST4AUSC.exe(24.9MB)
                                                                via GSPN also available on
PLUS ONE                                                      Samsung.com web site.
http://my.plus1solutions.net/clientPortals/samsung
                                                              Important to check for new S.W.
HOT TIPS                                                      updates.
If the set has "grainy" video, verify the sources first. If
they are good, check the OSD. if that is fine, narrow the
inputs if possible. Digital noise will show up as artifacts
that customers will describe as "Grainy" and can occur
on the HDMI inputs. If this only occurs on the HDMI
inputs, and you know the sources are good, replace the
                                                                                                                                        1
main board. Also check external HDMI Cable is < 40 feet.
       PN43D490A1DXZA                                      Fast Track Troubleshooting Manual

                                                                                                        CN801 (SMPS)  CN201 (Main Board)

                                                                                                                            Pin No.   Signal
                                                                                                        Pin No.    Signal
                                                                                                                            (Main     (Main
                                                                                                        (SMPS)    (SMPS)
                                                                                                                            Board)    Board)

                                                                                                                                      SW_POW
                                                                                                          1       PS-ON       1
                                                                                                                                        ER

                                                                                                          2       STBY        2       A5V_PW

                                                                                                          3        GND        3        DGND

                                                                                                                                      B15VS_P
                                                                                                          4       D15V        4
                                                                                                                                         W

                                                                                                          5        GND        5        DGND

                                                                                                          6        GND        6        DGND

                                                                                                                            Pin No.    Signal
                                                                                                        Pin No.    Signal
                                                                                                                            (Main      (Main
                                                                                                        (SMPS)    (SMPS)
                                                                                                                            Board)     Board)

                                                  CN802 (SMPS)  CN2001 (Logic Board)                       7       D5.3V       7      B5V_PW
Power On Sequence                                Pin No.      Signal       Pin No.      Signal (Logic
1. STBY 5V (Pin 2 CN801)                         (SMPS)      (SMPS)     (Logic Board)      Board)          8       D5.3V       8      B5V_PW
2. PS_ON (approx 3.3V 

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