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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY KV8100
On/off switch would not work Cust. is using kv8100 with a vhs machine on a boat. both tvand vhs are on 12vdc. the kv8100 will not shut off with on/off switch. -hq comments: we can try to go around that by insertive rc separator(10 kΩ in parallel with 0.01u) into the cable conne
SONY KV5020
Narrow picture Narrow pix - all three crt's were narrow pix remained ingood convergence. looked like the low voltage power supply was weak.
SONY KV2602
Picture distortion, replaced c508 At turn on full vertical sweep then gradual loss from top andbottom until after 5 minutes picture would be approx. half size.
SONY KV2601
No color, replaced 3.58mhz crystal No color.
SONY KV2141R
Set locks on ch2, shorted q2201 Display says channel 2, no matter which channel selected,tuning ok.
SONY KV1948R
Ch 14 would not lock, adj t202 and t203 Ch. 14 would not lock up on a cable co. using the hrc cablesystem, all other channels operate properly.
SONY KV1947R
Picture distortion, replace ic501 Total loss of vertical sync.
SONY KV1945RS
No color, replaced bpt, t301 No color.
SONY KV1945RS
No uhf q008 shorted Would not receive uhf channels.
SONY KV1945RS
Incorrect tuning, replaced x003 No channel indicator (blank), no tuning of signal. voltageson ic001 and ic002 were all wrong. servicer had changed both chips andchecked the clock freq. of ic001 cl1 with a counter, 400khz. when clockwas finally checked with a scope pp v was only 0.5v
SONY KV1923
No picture, has sound, replaced c516 No picture, just sound.
SONY KV1922
Picture noise Three inches wide bar at right side of screen top of bottomonly on hbo cable channel and only at customer's home only on thisparticular unit, other units tried and work fine. servicer blamingcable co. found 150pf capacitor between q512 collector and gr
SONY KV1915
Picture distortion One and half inches of top of picture is black.
SONY KV1912
Tuner locked on ch 2 Tuner locked on channel 2.
SONY KV1910
Picture stretching after warm up Picture stretches vertically after about one hour operation.
SONY KV1512
Dead This unit initially appeared to have a shorted sg613 and2sc867. upon powering up the set with a dc supply it was noticed thatthe waveforms were irregular. closer examination revealed r522 hadchanged in value.
SONY KP7220
Keystone, replaced d5313, d5312, q5537 Keystone effect on all three tubes. pix normal at top butnarrow at bottom.
SONY TV790
H picture distortion Horizontal frequency changes after short warm-up.
SONY TV123
No picture Q502 runs red hot for about one week and then fails, causingno raster.
SONY KX1901
V foldover on the bottom Severe foldover on bottom.