[TechAssist] Re: Fixed KV35S36 - Thermal runaway

  • From: "majorthom@xxxxxxxxxxxxx" <majorthom@xxxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Mon, 6 Oct 2003 20:03:10 -0700 (PDT)

Tony-If I wanted to test the supplt out of set,what kind of load would be good 
and how many watts should this supply provide?{can provide}-pete
tony saracco <tcselectronics@xxxxxxxxxxxxxxxx> wrote:Set came in dead. Found 
blown H out and failed supply. replaced the output with C5148 and the regs Q 
601 and Q 602 plus the fusible resistor. After 5 min the reg would get 
extremely hot and destroy themselves. Replaced the regs, all 8 glass type 
diodes, all Mylar and ceramic caps on primary, the varistor and the bird tird 
caps ( .47uf tantalum) but still regs would get hot. Only thing left was the 
Reg drive transformer T603, After replacing T603 supply runs at much cooler 
temp and has not failed .
Tony Saracco
TCS ELECTRONICS
Elgin , IL 60120
847-695-1928
tcselectronics@xxxxxxxxxxxxxxxx
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