Samsung RS2534WW Service Manual

Also see for RS2534VQ: User manual Owner's manual and installation guide

Samsung RS2534WW Service Manual Manual pdf 46 page image

46Check the exchange of fuse anddisconnection cause.- Check the connections of main PCB.- Check the connections between upperhinge and CABI-door.- Check the connections between door andpanel PCB.11. Diagnostics11-1) If power is not ONAt the power of main PCB, the 115V power and a high-voltage over DC170V occur. Please take care of yourself on repair and measurement.Is 115V AC fuse down?Is power 115Vboth terminals of CN10?Is fuse on main PCB down?Is DC 170V impressed to bothterminals of BD1?Top S/W 233YIs the voltage impressed DC 5.8Vbetween C and S ?Is 12V impressed to bothterminals of C102?Is the load such as relay normal?Is normal the load, such asrelay?Is there any PCB soldering, short or broken?NormalStartTo check the main PCB, please applydescriptions of operation andreferences in the manual.YESCheck the assembly and connection ofelectric wires.NOExchange fuse115V 2A?YESCheck the PCB pattern and replace BD1.NOReplace PCB assembly.NO1) Replace D104 (D5S6M).2) Replace PCB assembly.NOReplace REG1(KA7805)NO1) Check the assembly of electric wires and troubleshoot.2) Replace the panel PCB.NO1) Replace the corresponding relay.2) Check lead wire for contact.NOReplace PCB assembly.NOCaution!