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Sony Repair Tips




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Search: sony
Results: 20089
Make Model Symptom Problem Solution By
SONY KP53XBR35
Unit shut down, replaced c1718 for 15v line on d board At power on unit would immediately go into shut down.problem was caused by an excessive load on the +18v line to d board.found c1718 shorted. cap filters the +15v line. -solution replacement resolved problem. -hq comments: thank you for your report.
SONY KP46V15
No picture intermittent loss of high voltage, cracked board Cust. complaint of intermittent picture. when first turnedon timer led flashed, but no picture appeared. troubleshooting revealedno high voltage being produced.
SONY KP46V15
No pip window or picture, adjusted ppll Customer reported when pip function selected pip channel #would appear but no pip window. swapping would produce pip picture on main screen but still no pip window.
SONY KP46V15
Dead, t502 Unit came in with shorted power supply switching transistors. power supply problem caused by an excessive load. specifically thehorizontal driver transformer t502 was shorted primary to secondary.replacement of the transformer along with the switching
SONY KP41T15
R854 part number incorrect, 1-249-447-11 The part number for resistor r854 in the service manual page113 is incorrect. it lists the part number for an 1/16Ω resistor.the correct part number should be 1-249-447-11.
SONY KP41T15
No picture, replced ic905 for -12v line on e board The unit has no picture and no high voltage.
SONY SPP1000
Intermittent dial tone Intermittent dial tone, tapping board reveals problem.
SONY SPP1000
Only power led after few mins of operation - change c333 Base stops working after a few min. of operation.3 v line drops to 1.2v and regulator and cap get warm. cap c333 leaky.part # and schematic list a 10mf cap. actual value is 4.7mf. pleaseadvise. -hq comments: please refer to the new version od s/m
SONY MDP605
Another model with capacitor leakage and corrosion Lv20 pcb has leaking surface mount capacitors. board has black corroded traces and feed throughs.
SONY TCWR565
Erratic mechanism - replaced ic701 Unit would not open doors, play in forward direction or takeup tape in reverse direction on both a and b decks.
SONY TAN90ES
Unit goes into protect - replaced ic202 and c204 Amplifier goes into protect mode. dc offset is comming out ofic202 (-18vdco) and leaking through the reverse bias cap c204.
SONY STRGX700ES
Unit in protection - resoldered shield ground on surr bd. Unit in protection. found bd solder connections onshield ground by cd in connector on surround board.
SONY STRD965
Unit dead - replaced protect transistors No power to front panel or speakers.
SONY STRD965
Unit goes into protect - replaced ic671 Unit goes into protect, found ic671 defective, putting dcvoltage on load line.
SONY STRD965
Dead -replaced opened f901 and resoldered t901 connections Unit dead and main fuse open. poor solder connections on mainpower transformer t901.
SONY STRD965
No audio Unit powered up but no audio. problem caused by connectionson speaker switch board.
SONY STRD865
Power transformer hum - tightened mounting screws 3 reports of excessive hum coming from power transformer,t901.
SONY STRD865
Dead - replace open fuses f803, f804 Dead unit.
SONY STRD665
No left channel - resoldered rv423 No audio from left channel. problem caused by bad solderconnection on balance control, rv423.
SONY SSU631AV
Speaker rattles - resealed back panel With strong bass the speaker cabinet would rattle.