--------------------------------------------------------------- Text pasted from WinSTIPS 2.0 http://www.ServiceSoftware.com --------------------------------------------------------------- MITSUBISHI VS4543 Dead - Relay Clicks Twice Dan Mundy, Cet/Csm Check Z900 On Power Board For Open. If Open Check Vert Ic 401 La7845 270p064030. --------------------------------------------------------------- MITSUBISHI VS4543 Dead - Relay Clicks Twice Orlan Stone, Cet Replace Ic900 (Str-M6811), Ic901 (Se130n) And Pc900 (On3161r). Note: Lite Box Pulls For Shop Service. See Vz3 --------------------------------------------------------------- MITSUBISHI VS4543 Dead, Seems To Go Into Shutdown. Robinson Electronics Check Or Resolder All Connections On The Yoke Plug "Not The Chassis" Seems To Be Loose Connections On Yoke - Common Problem. --------------------------------------------------------------- MITSUBISHI VS4543 Power Supply Intermittent Shutdown From Mitsubishi Replace L5a00,If Coil Is Wrapped In Black Tape,With Pt#351p138020, (The New Coil Should Be Wrapped With Yellow Tape).This Is Located On The Main-Pcb. --------------------------------------------------------------- MITSUBISHI VS4543 Shuts Off At Turn On Technos Take Fuse Out Of 130v Line And Read Voltage, If Not 130v Replace Strm6811 --------------------------------------------------------------- MITSUBISHI VS4543 Shuts Off At Turn On Technos No Vertical From Ic401 Because There Was No 5v From Ic202 Just Above Ic401, --------------------------------------------------------------- MITSUBISHI VS4543 Shuts Off,May Not Turn On,Very Int. Technos Bad Connection On Vertical Yoke On The Vertical Connector Signal At Pin 2 Of Ic401 Looks Like A Square Wave, Was On The Green Gun --------------------------------------------------------------- MITSUBISHI VS4543 Shutsdown At Turn On Mitsubishi 1. Short Detect Shut Down (Pin 15 Of Ic700) Check For Open L902 Part # 351p070010 Off Q904 C (15 V Supply) On The Main Pcb. 2. Short Detect Shutdown (Pin 15 Of Ic700) Check For Shorted D913 Part # 264p722010 And Open Z901 Part # 283p039020 (Z905 And Z900 May Also Be Open Because Of This). 3. X-Ray Shutdown (Pin 55 Of Ic700) Check For A Leaky D5a09 Part # 264p244030 Off Pin 6 Of Ic5a01. 4. X-Ray Shutdown (Pin 55 Of Ic700) Check For Leaky D5a21, Part # 264p045040, In The Beam Protection Circuit On The Main Pcb. 5. Check For Leaky Q5a03 And/Or Q5a04 Both Part # 260p559050, In The High Voltage Detect Circuit, On The Main Pcb. --------------------------------------------------------------- MITSUBISHI VS4543 Shutsdown At Turn On (No Hi Voltage) Bryn Mawr Tv Found Good Horiz Drive Until Shutdown T5a03 Defective 334p246010 Subs To 334p246060 Fly Rings Good Problem Is With Intergrated Splitter --------------------------------------------------------------- ================================= Jeff Stielau Shoreline Electronics Repair 344 East Main Street Clinton,CT 06413 (860)399-1861 (860)664-3535 FAX jstielau@xxxxxxxx ================================= ----- Original Message ----- From: "Percy E. Braswell Jr" <pebjr7405@xxxxxxxxx> To: "tech" <techassist@xxxxxxxxxxxxx> Sent: Wednesday, December 17, 2003 1:15 PM Subject: [TechAssist] Mitsusbishi M# VS4543 > Hello Techs, I have a Mits VS4553 that goes immediately in shutdown when power button is pressed. You hear the HV come up then unit shutsdown. I'm not familar with this chassis and dont have a service manual. Any help would be appreciated. > > Elbert Braswell, CET > Economy TV > Havelock, NC > > --------------------------------- > Do you Yahoo!? > New Yahoo! Photos - easier uploading and sharing > > **************************************************************************** * > Lost Password: > http://www.tech-assist.org and select "Login Problems?". > Email Archives: > //www.freelists.org/archives/techassist/ > ***************************************************************************** Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/