Search: sony
Results: 20072
Make Model Symptom Problem Solution By
SONY KV2645R
Audio pop noise, replaced t207 When changing channels, a pop occurred at the speakers.sound was normal otherwise. troubleshooting revealed a signal distortionat ic202 pin 5 that is synchronized with the muting input at pin 4.
SONY KV1947R
Incorrect tuning operation, replaced ic001 Pressing channel up or down button on remote or on the manualfunctions would give no response. direct access tuning worked.
SONY KV1945RS
No last channel memory, parts touching Unit came into servicer with complaint of intermittent nolast channel memory, volume level and brightness level. servicer checkedall voltages. they were ok. he replaced ic001 thru ic006 but unit stillhad the problem.
SONY KV1722
Q510 failure, replaced damper d517 Intermittent failure of gcs (q510). the technician complainedthat all voltages waveforms etc. were in order. yet this set would veryintermittently blow the horiz. output q510. careful examination revealedthe solder land on d517 (damper) to be loose.
SONY KV1710
Dead Problem of replacement fbt first reported out of houston fscand later from servicers. fbt p/n 8-983-126-15 subs to 1-439-120-00replacement flyback has added resistors for protection and pin #3 isgrounded at terminal. pin #3 is 18v supply and should not
SONY KV1545RS
Incorrect remote operation,replaced ic101 Pressing on/off or picture up buttons on remote transmitterwould not affect receiver.
SONY KPR4600
Shut down, replaced blue crt Immediate shut down at turn on. could hear arcing from unit.with back removed could see blue crt arcing.
SONY KP7225
Poor convergence Poor convergence with some controls such as tilt and key stonenear limit of their range.
SONY KP5040
Poor focus, adjusted electrical and mech. focus Distributors complain of poor focus on kp-5040. a littleblurry was traced to the acrylic lenses, which are transmitting a slighthalo around well defined objects. noticeable around the blue cross hatchbars, which causes them to appear wider than the oth
SONY KP5040
Wrong part number, r818 Resistor r818 on e board is shown as a 3.6Ω resistor onservice manual schematics. it should be 3.6 kΩ. parts list in rear ofmanual is correct.
SONY VTX1000R
No picture Dead tuner 6.8v line is 0v. found ross at the 6.8v regulatoropen.
SONY TV123
Intermittent picture distortion This unit very intermittently pulled from the sides and/ordisappeared. no loss of horiz. sync. occurred.
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.