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Modelo - Chassis KV27XBR50
Pesquisa: KV27XBR50 Enviar Dica Resolvida
Resultados 27
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27XBR50 | 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 | KV27XBR50 | LOUD HIGH PITCHED NOISE FROM SET, REPLACED 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 | KV27XBR50 | HOR. RGB LINES IN TOP PORTION OF PICTURE, REPLACED R-517 | 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 | KV27XBR50 | 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). Foundshorted C-500. -HQ COMMENTS: When C-500 (IC-500/pin 1) shorts, vertical drive signalwill be lost. No output signal on IC-500/p | ||
| Sony | KV27XBR50 | PINCUSHION DISTORTION, COLD SOLDER JOINT D-512 | No horizontal pincushion correction occurring. As received,set had overheated and open L-501, open R-571 and shorted Q-505. Afterreplacing these, set would work normally for about 30 seconds. Q-505would short, R-571 would open sometimes L-501 would op | ||
| Sony | KV27XBR50 | NO SOUND ON FRONT CHANNEL, REPLACED IC2451 AND PS-2401 | No sound on front channel. | ||
| Sony | KV27XBR50 | SM STATES UNITS HAS PIP, THIS IS INACURATE INFORMATION, | Service manual of this model, pages 9, 10, 11 containsinstructions on PIP feature whereas this model does not have it. Pleaseexplain. -HQ COMMENTS: You are right, this is a mistake in the manual. | ||
| Sony | KV27XBR50 | FLICKERING WITH ASC FUNCTION ENGAGED, SEE TVP SB # 78R1 | With ASC engaged, picture contrast goes bright to dim like ona switch being turned off and on. Changed above IC and no change insymptom. -HQ COMMENTS: Please refer to TVP Service Bulletin number 78R1. | ||
| Sony | KV27XBR50 | NO PICTURE LEVEL/NO CHROMA, REPLACED IC-102 | When first turned on, unit displays dark picture with nocolor. Color and brilliance can be restored by setting of user controlson remote. However, when unit is switched off and on again, it resets tothe initial state. | ||
| Sony | KV27XBR50 | TROUBLE SHOOTING INFORMATION ON THE IK LINE | As you may have noticed, when servicing this and other unitsusing this particular IC-301, RGB lines at the IC level are blanked any-time the C board is disconnected. The main reason for this blanking isa cathode current detect line (IK). When the unit | ||
| Sony | KV27XBR50 | PART NUMBER FOR POWER SWITCH IS WRONG, 1-571-532-21 | Part number for the power switch is incorrect in servicemanual. -HQ COMMENTS: The correct part number is 1-571-532-21. Please make theappropriate corrections to your manual. | ||
| Sony | KV27XBR50 | YOKE SQUEAL, REPLACE WITH P/N 1-451-275-41 TVP SB # 114 | Squealing yoke. |