[TechAssist] Help! - Sony KV32S45 TV

  • From: "Dan Garris" <dgarris@xxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Mon, 05 Apr 2004 15:42:46 -0400

Make :  Sony
Model :  KV32S45
Chassis:  SCC-S07B-A (MFD Oct 1998)
Tuner:  # 8-598-431-00

Had all snow on all channels, Audio and OSD worked fine, LED was not 
blinking. I replaced Tuner (8-598-431-00) still no change. I checked all 
tuner voltages, all ok but NO 5 volt VCC on pin 3, replaced leaky D1103 5.6v 
Zener diode and this restored 5volt VCC to tuner.

Now tuner appears to be working, but picture is scrambled, with a negative 
look and no vert/horiz sync. Audio & OSD work fine! The PIP picture in the 
small PIP box looks great! But the main picture is scrambled looking as 
described above. I checked all caps near tuner and on the "P" (PIP) and "B" 
boards. WHen I plug in a VCR into the rear A/V jacks, the picture is still 
scrambled looking with a bit of a negative look and no vert/horiz sync.

Now is another case of a bad Jungle IC351 CXA2095S failure? Help?

Dan Garris
Garris TV
New Bern, NC

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