TV Repair: Common Faults and Solutions.

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Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	KV32XBR15	No picture, troubleshooting hints for ic-301 (ik line)	As you may have noticed, when servicing this and other unitsusing this particular ic-301, rgb lines at the ic level are blanked any-time the c board is disconnected. the main reason for this blanking isa cathode current detect line (ik). when the unit
SONY	KV32XBR10	No picture, trouble shooting of ic-301 circuit	As you may have noticed, when servicing this and other unitsusing this particular ic-301, rgb lines at the ic level are blanked any-time the c board is disconnected. the main reason for this blanking isa cathode current detect line (ik). when the unit
SONY	KV32HSR10	No picture, to disable ik sense line for troubleshooting	As you may have noticed, when servicing this and other unitsusing this particular ic-301, rgb lines at the ic level are blanked any-time the c board is disconnected. the main reason for this blanking isa cathode current detect line (ik). when the unit
SONY	KV27XBR65	No picture, how to trouble shoot the ik circuit	As you may have noticed, when servicing this and other unitsusing this particular ic-301, rgb lines at the ic level are blanked any-time the c board is disconnected. the main reason for this blanking isa cathode current detect line (ik). when the unit
SONY	KV27XBR60	No picture, troubleshooting the ik line	As you may have noticed, when servicing this and other unitsusing this particular ic-301, rgb lines at the ic level are blanked any-time the c board is disconnected. the main reason for this blanking isa cathode current detect line (ik). when the unit
SONY	KV27XBR50	Trouble shooting information on the ik line	As you may have noticed, when servicing this and other unitsusing this particular ic-301, rgb lines at the ic level are blanked any-time the c board is disconnected. the main reason for this blanking isa cathode current detect line (ik). when the unit
SONY	KV27XBR15	No picture, how to troubleshoot	As you may have noticed, when servicing this and other unitsusing this particular ic-301, rgb lines at the ic level are blanked any-time the c board is disconnected. the main reason for this blanking isa cathode current detect line (ik). when the unit
SONY	KV27XBR10	No picture, how to troubleshoot the ik circuit	As you may have noticed, when servicing this and other unitsusing this particular ic-301, rgb lines at the ic level are blanked any-time the c board is disconnected. the main reason for this blanking isa cathode current detect line (ik). when the unit
SONY	KV27EXR15	No picture, ik related troubleshooting	As you may have noticed, when servicing this and other unitsusing this particular ic-301, rgb lines at the ic level are blanked any-time the c board is disconnected. the main reason for this blanking isa cathode current detect line (ik). when the unit
SONY	KV20EXR10	No picture, how to troubleshoot	As you may have noticed, when servicing this and other unitsusing this particular ic-301, rgb lines at the ic level are blanked any-time the c board is disconnected. the main reason for this blanking isa cathode current detect line (ik). when the unit
SONY	KV27EXR10	No picture, ik line related troubleshooting	As you may have noticed, when servicing this and other unitsusing this particular ic-301, rgb lines at the ic level are blanked any-time the c board is disconnected. the main reason for this blanking isa cathode current detect line (ik). when the unit
SONY	CDPC20	Alternative method to repair bu bracket support on frame	A common failure on the cdpc20/30/40/50/70 series of playersis the need to replace the frame because the support that holds up the bubracket breaks. replacing the frame can take up to one hour. by using thespring from the cdxa10 as the new support for th
SONY	KV27EXR15	Clock gains time, see sb tvp087r1	Unit would gain two hours a day. the home tech at costa mesainstalled the modification (tech flash no. 39). home tech informed meit resolved the problem.
SONY	PVM2030	Screen not completely blanked	With brightness and picture control turned down and in a darkroom, there is a visible illumination on a part of the tube. this is withno connections to video in. connecting a generator to the video in andstarting with minimum signal, you can see the pr
SONY	GV9	No audio on playback	No audio on playback but unit records audio.
SONY	FD240	Pyramid picture/raster on screen, resoldered l-501	Getting a pyramid picture and raster on the screen.
SONY	FD230	Pyramid picture/raster on screen	Getting a pyramid picture and raster on the screen.
SONY	D2	Unit does not function	Unit does not function. display works ok. no sled, spindlemotor or fop movement. service mode is same as above.
SONY	CDPC900	Will not load disc	There is a lot of free play in roller and brass bushing.eventually, the gear that drives the roller comes out or the bushing fallsout or both.
SONY	EDV9500	Streaking on peak whites during playback	When playing a tape with white highlights or keyed insertlettering, streaking could be observed.