Dicas Reparação
Modelo - Chassis ITD150
Pesquisa: ITD150 Enviar Dica Resolvida
Resultados 13
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | ITD150 | SCHEMATIC ERROR, LCD BD., IC4 & IC5. REVISED MAN. 995609912 | Schematic does not agree with board layout or actual unit. Schematic Actual IC4-2 -> IC3-75 IC4-2 -> IC3-74 & 69 , Q402C IC5-2 -> IC3-75 There may be ot | ||
| Sony | ITD150 | DIFFERENT SIZE OF NEW SPEAKERS. | I tried twice to replace speaker SP1, p/n 1-503-819-11, but itdid not fit in the unit, as it is slightly too big. When I tried to orderspeaker p/n 1-544-480-11 as per Telephone Products Service Bulletin No.107, I got instead speaker, p/n 1-503-905-11, wh | ||
| Sony | ITD150 | NO DIAL TONE IN HANDSET - RESOLDER C322 | Speakerphone worked, but when using handset there is no dialtone. | ||
| Sony | ITD150 | WRONG PART NUMBER FOR LCD | When I went to order the LCD panel, I received a 33 pin LCDinstead of a 31 pin LCD. What is the correct part number for the 31 pinLCD? -HQ COMMENTS: The part number is correct. WRPC had sent the incorrectpart by mistake to KCPS. The error has been corr | ||
| Sony | ITD150 | HANDSET MUTES WHEN EXTENSION PHONE IS PICKED UP | Handset mutes when extension phone is picked up. This iscaused by line loading. The 12V off-hook line voltage of this unit getsloaded down to less than 6 volts when an extension phone is picked up.This unit will stop working at a line voltage less than | ||
| Sony | ITD150 | ERROR DETECTION SIGNAL | Unit randomly gave error signal. At first check unit seemedto be working properly. Upon further investigation, scan pulses werefound on IC-3 pin No. 28, telling the micro to perform a memory function.These pulses were leaking through switch M-2. Acros | ||
| Sony | ITD150 | DEFECTIVE KEYPAD | Keypad is defective 7, 8 and 9. Redial and mute will notfunction. Jumper pushed through board. | ||
| Sony | ITD150 | MISSING PART NUMBER FOR BZ1 AND BZ2 | There is no part number for the buzzer BZ1 in the servicemanual. -HQ COMMENTS: The buzzer BZ1 is not available as a separate item.However it is a part of the lower cabinet assembly. Therefore, if you needto replace BZ1, you will have to replace the lowe | ||
| Sony | ITD150 | NO PROGRAM FUNCTION IN ITD'S | J-1 (jumper) is missing from board which disables programswitch (function). | ||
| Sony | ITD150 | CONTINUOUS BEEPING | On hook phone beeps every several seconds. This is caused bystray carbon or other foreign material on board. | ||
| Sony | ITD150 | RECEIVER AUDIO FADES OUT | After a time between 30 minutes and one hour, the receiveaudio in handset would fade out. Doing almost anything to phone -pressing any button or going to on-hook and then off again would restorereceive audio for another hour. | ||
| Sony | ITD150 | ERROR IN THE SERVICE MANUAL | The frequency of oscillation of the crystal X1 is listed as300 KHZ in the service manual. However, the reading on the crystal is 800KHZ. -HQ COMMENTS: The correct frequency is 800 KHZ. The manual is in error.Thanks for the info. | ||
| Sony | ITD150 | IMPEDANCE OF SONY TELEPHONE PRODUCTS | What is the impedance of our phone products? -HQ COMMENTS: All Sony phones fall in the range of 50 to 300 Ohms whenthe phone is off-hook and when DC-loop current is in the range of 15 -120 ma. |