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Modelo - Chassis KV27XBR60
Pesquisa: KV27XBR60 Enviar Dica Resolvida
Resultados 22
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27XBR60 | X1 BOARD NOT SHOWN IN SCHEMATIC, SEE SUPPLEMENT-3 | While the schematic calls for an X board, the actual unit Ihave has an X1 board instead. I was unable to find any supplements forthis model, but the 2nd Supplement for KV32HSR10 shows the X1 boardschematic. -HQ COMMENTS: This X1 board is covered in Sup | ||
| Sony | KV27XBR60 | PART NUMBER FOR DIODE D-251 (X1 BOARD) 8-719-110-48 | Need the part number for diode on the X Board located atIC251/pin 11. -HQ COMMENTS: Discription Part Number RD18ESB1 8-719-110-48 | ||
| Sony | KV27XBR60 | HORIZONTAL LINE IN CENTER OF SCREEN, REPLACED DIODE X BOARD | If G2 was turned up, a white horizontal line appeared acrossthe center of the screen. Unit would not accept any commands. Symptomappeared to suggest a data problem. Data lines were loaded down comingfrom the Surround board (X board). The data lines a | ||
| Sony | KV27XBR60 | HOR. OUTPUT FAILURE, SEE SB 161R1 | Dead Hor. Output Q-503 failed. | ||
| Sony | KV27XBR60 | BARKHAUSEN OSCILLATION, RESOLDERED FBT CONNECTIONS | We received some reports of barkhausen oscillation which maybe intermittent in nature and sometimes signal strength dependent. Theproblem is caused by a poor ground connection on the focus block sectionof the flyback. | ||
| Sony | KV27XBR60 | INT. PIC SHRINKING, TROUBLE SHOOTING TIP FOR POWER SUPPLY | I have had several XBR sets with complaints of intermittentpicture shrinking. The solution was no regualtion of the B+ which waslowering under load. Here is a simple procedure that can be used whentrouble shooting this type of failure: Operate the set wi | ||
| Sony | KV27XBR60 | HORIZONTAL CENTERING: SERVICE MANUAL PROCEDURE | The horizontal centering adjustment on page 30 of the servicemanual omits the fact that a horizontal centering tap exists as shown onpage 36, the F board. If the remote commander adjustment is made withthe tap in the wrong place, some sets will exhibit | ||
| Sony | KV27XBR60 | ANODE CONNECTOR MISSING, P/N 1-540-032-32, SB 108 | When replacing the A board, the anode wire from the flybackis missing. Is there a part number for it? -HQ COMMNETS: Please order the Anode Cable, Part Number 1-540-032-32.This has been covered by Service Bulletin number 108. Future boards willbe suppl | ||
| Sony | KV27XBR60 | HOR. OUTPUT TRANSISTOR REPEATEDLY FAILS, REPLACED C-525 | The horizontal output transistor would short every five to sixdays. We found the problem to be caused by a defective coupling capacitor(C-525) in the base circuit of the horizontal driver. C-525 wouldintermittently change value which caused the output | ||
| Sony | KV27XBR60 | SET GOES INTO OVP INTERMITTENTLY ON TURN ON, REPLACED Q-651 | Set goes into OVP intermittently on turn on (every 4 or 5times). When unit works, all voltages are correct. | ||
| Sony | KV27XBR60 | DEAD SET, COLD SOLDER JOINT R-167 | Dead set. The set could be turned on with remote but it cameon with channel 0 in display and picture was out of horizontal sync.Once these EVR adjustments were made, the set worked ok as long as itwas turned On or Off with remote or by unplugging and re | ||
| Sony | KV27XBR60 | LOUD HIGH PITCHED SOUND FROM SET, APPLIED SILICONE (T-602) | Loud, high pitched noise from set and is not in audio circuit.Sounds similar to yoke with singing problem. Before replacing yoke pleaseread. | ||
| Sony | KV27XBR60 | HORIZONTAL RGB LINES IN TOP PORTION OF PICTURE, SEE SB # 76 | Unit looks normal but, displays red, green and blue horizontallines on the top portion of the picture. Normally, adjusting the REFfunction in the service mode will shift the lines out of the picture area.However, in this case the shift was not enough. | ||
| Sony | KV27XBR60 | NO PICTURE SLEEP LIGHT ON, REPLACED C-500 | Set has high voltage. Sleep light is on, but set has nopicture. Found .7Vpp on pin 31 of IC-301 (should be 2 volts). ReplacedIC-500 and IC-301 still not working properly. Found shorted C-500. -HQ COMMENTS: When C-500 (on pin 1 of IC-500) shorts, ver | ||
| Sony | KV27XBR60 | "H" BOARD AND IC-51 HAVE BEEN CHANGED, SEE SUPPLEMENT 4 |