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Modelo - Chassis P7
Pesquisa: P7 Enviar Dica Resolvida
Resultados 252
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | SPP75 | UNIT WILL NOT DIAL *, 0, OR #, 7, 8, 9 IN TONE | Will not dial *, 0, or # in tone because the trace between pin6 of IC-351 and pin 20 of IC-201 is open (under IC-351). Will not dial 7,8 or 9 in tone because the trace between pin 3 of IC-351 and pin 19 ofIC-201 is open (under IC-351). Open traces appe | ||
| Sony | SPP75 | NO VOLUME CONTROL | Found unit not able to change the volume of the handsetspeaker. Checked pin 3 of IC-701 (Volume Pin) was always low. CheckedR-720 and found it missing. R720 supplies the high for IC-701/pin3. Alsopertains to serial number 1216540. | ||
| Sony | SPP75 | NO TONE DIAL OR NO MICROPHONE | Unit would not tone dial and no microphone out to telco.checked pin 22 of IC-1 and found side tone signal traces through pin 26 ofIC-1 down to R-320. Found R-320 open. Also pertains to serial numbers1351970 and 1086517. | ||
| Sony | SPP75 | NO TONE DIAL | Unit would not tone dial. Check for DTMF frequency at pin 18of IC-351. Found a single tone coming out of pin 18 instead of a mix oftwo tones to produce the number. | ||
| Sony | SPP75 | NO MUTE | When mute is pressed, audio is stopped from going out theline, but some audio is still heard in the handset speaker. Found pin 11of IC-601 was not going low. Traced line to pin 4 of IC-701 (microphonemute) and found the pin to be going low. Found pin | ||
| Sony | CCDSP7 | WRONG SCREWS FOR LAST FIVE MONTHS | Supplement No. 1 on page 2 No. 170 3-730-883-01 one of my ser-vicers has been trying to get the correct screws for five months now.Kansas City Parts has been called numerous times about this. I've calledTechnical Department to get this fixed. Yesterday | ||
| Sony | SPP75 | NO AUDIO | No audio being transmitted from handset. | ||
| Sony | SPP75 | NO AUDIO OR WEAK AUDIO | No audio or weak audio. Also pertains to serial number342871. | ||
| Sony | SPP75 | NO COMMUNICATION BETWEEN HANDSET AND BASE | There was no communication between handset and base.There was a missing jumper wire that goes from C-560 (-) on wiringside to shield on component side (shield is between T-501 and L-553). | ||
| Sony | CDP710 | REPLACEMENT SPINDLE MOTOR ASSEMBLIES DEFECTIVE | Spindle motor assemblies (original type) being received fromthe Kansas City Parts Center have the motor installed backwards. Also,the motors appear to have problems coming up to speed. Are these thecorrect motors. -HQ COMMENTS: Two different spindle m | ||
| Sony | SPP75 | DOES NOT DIAL OUT BUT WILL GET DIAL TONE | Unit would get dial tone and answer calls but would not dialout. Checked dialer IC-351 and had no output. Checked ceramic vibratorfor dialer X-351 and had no oscillation (during dialing). Note:oscillator only oscillates when a dial number button is p | ||
| Sony | KP7220 | PICTURE NARROW BEFORE IT WENT OUT, REPLACED C541,F801,F601 | Inoperative set, F-801 and F-602 open 2 Ohms on +135 volt B+line to ground. Eliminated connectors G-17, G-5, G-6, G-7, G-14 and G-15.Still 2 Ohms to ground. Opened C-538, D-514, C-539 and checked D-515.Still 2 Ohms to ground. Opened C-541 and short wa | ||
| Sony | KP7220 | RED WIDTH WOULD EXPAND AND CONTRACT INTERMITTENTLY, D5306 | Red width would expand and contract intermittently. Knowingthat D-5306 controls the B+ voltage to the red convergence output circuitin the horizontal section, found B+ at D-5306 anode varying the circuit.All other circuits stable measured D-5306, found | ||
| Sony | KP7240G | DEAD SET | Set won't turn on. | ||
| Sony | MDP700 | IC-011 NEW PART NUMBER |