|
|
|
#1
02-12-2008, 07:07 AM
|
||||
|
||||
|
Admiral FBT issues Please help
Hi everyone! I recently finished the chassis{3G11} for the Admiral and installed it over the weekend. When I powered it up it was pleasing to see the horizontal and vertical issues were completely gone. One big problem, the HV is way low and so is the focus voltage. The HV at the 2nd anode should be 26.5kv and the focus voltage at pin 9 of the CRT should be 5.4kv, they are 19.5kv and barely 1kv at the focus. I’ve checked the FBT with a Sencore ringer and it gives 22 cycles, which is way in the good, in fact the whole HO section rings 22 cycles. I’ve checked the 3AT2 rectifier, the disk caps and any other one I didn’t already replace and have found nothing wrong so far. The contacts in the 1V2 focus rectifier tube socket have been cleaned out as well as the CRT socket. I’m getting stumped here, please help!!
I hope it’s not the FBT!!
__________________
My TV page and YouTube channel Kyocera R-661, Yamaha RX-V2200 National Panasonic SA-5800 Sansui 1000a, 1000, SAX-200, 5050, 9090DB, 881, SR-636, SC-3000, AT-20 Pioneer SX-939, ER-420, SM-B201 Motorola SK77W-2Z tube console McIntosh MC2205, C26 
Last edited by zenithfan1; 02-13-2008 at 02:13 PM. Reason: added pics and info 
|
|
|
Threaded Mode