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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY KV1913
Sound distortion After warm-up sound would distort and change in volume.
SONY KV1714
Set locks on ch 2 Set locked on ch. 2 defective cx804 (ic033) decreasing 35vsupply.
SONY KV4000
No tuning on vhf low No automatic nor manual tuning on vhf low, vhf high anduhf band. found no voltages at vc terminal of tuner - resistancemeasurement showed short to ground - tracing back found short at m1 plugon m board - pin 8 shorted to pin 9.
SONY KV2645R
Snow picture, replaced x001 Intermittently, tv reception would stop except for a verypoor channel 6, snow on all other channels. address line a always high(11.9v) regardless of channel selected.
SONY KV2643R
Picture shifts, demagnetized crt Graphics were shifted to the right. when unit was taken toservice shop and center-cross generator placed on set the centering wasoff approx. 2 inches to the right. all associated circuitry was checkedand found to be in proper operating condition. repl
SONY KV2643R
No picture, replaced c607 The following parts were bad in this set: q901, q902, q601,r605 open, r609 open, r232 open, connector a-10 on pc board arcing.after all these parts were replaced, the set would come on and thepicture would blink severely, both horizontally and verticall
SONY KV1945R
No picture, c1008 in prescaler shorting to frame The following notes were made in determining problem. 1) nowave train at pll in, tp59. 2) no voltage on pin 15, ic003. 3) voltageat tuning point on tuner went to 31.5v and would not vary. cause - c1008on prescaler was shorting to adjacent frame on p
SONY KV9300
Incorrect brightness The set has an excessive brightness. the screen control ishigh and cannot be adjusted, r706 is open.
SONY KV9300
Retrace lines Retrace lines, no screen control.
SONY KV2645R
Audio cracking, replaced t207 Intermittent audio cracking.
SONY KV2643R
No sound No sound, picture ok.
SONY KV2643R
Channel lock, replaced l001 Right after turn-on, tuner would lock on a channel. wouldnot change channels manually or by hand unit. it had no clock on pins12 and 13 of ic001 (volume and on/off ok).
SONY KV1945R
Poor remote operation, resoldered x002 on md board Poor response from remote control. poor range - missesfunctions.
SONY KV1945R
Poor remote operation, resoldered shield to n board Weak remote range. this unit had poor shield ground on then board causing the short range of remote control.
SONY KV1913
No audio on ch 10-12 No audio on channel 10/12 or very low sound. found channelind. lamp for channel 10/12 defective.
SONY KV1545R
Remote operation range too short, open ground "n" board This unit had poor shield ground on n board causing shortrange on remote when set was on.
SONY KV1221R
Picture distortion, replaced c524 Picture pulled up 3 inches on bottom of the screen and upperright hand corner blanked. found c524 off pin 13 ic301 was installed withpolarity reversed.
SONY KP7220
Incorrect blue convergence, replaced d5320 This unit had a blue convergence problem. the blue verticallines were wider than the red or green.
SONY KP7200
Incorrect tuning operation Tv would scan but would not stop on stations.
SONY CFS45
Defective side plates Plastic handle side plates on this model brake. handle side plates may not be strong enough to carry weight of this model under allstress conditions.