Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | ITD250 | UNIT DEAD - REPLACE C405, P/N 1-126-234-11 | Unit dead, B+ is grounded and positive battery terminal isgrounded too. Found C405 shorted. | ||
Sony | ITD250 | DIFFERENT LAYOUT CIRCUIT BOARD | Ordered a LCD board ref 119, the LCD board ref 119 does notmatch because the layout of new LCD board is different from the layout ofthe old LCD board. -HQ COMMENTS: Contact Kansas City Parts, attn Jamie Lyon, phone #816-891-7550 ext 256, fax # 816-891-2 | ||
Sony | ITD250 | STATIC IN RECEIVER - REPLACE Q314, P/N 8-729-281-53 | When you are talking, the other person gets static. | ||
Sony | ITD250 | LINE 1 LOCK ON HOLD - LEAKY D302 | Line 1 locks up on hold when line 2 is being used, or whenline 1 is ringing. | ||
Sony | ITD250 | SHORT BATTERY LIFE | Customer complained of short battery life. This appeared to becaused by drain from the line 2 LED being on all the time. Switch 202controls this condition. The customer was counseled. | ||
Sony | ITD250 | SPEAKER PHONE CUTS OUT - RESOLDER C344 | When using speaker phone it would intermittently cut out. | ||
Sony | ITD250 | 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 | ITD250 | 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 | ITD250 | LOSS OF MEMORY/BATTERY DRAIN | Customer complains about every two weeks clock display on hisunit goes blank and the speed dial memories will be gone. He replaces thethree AA backup batteries but they go dead after 2 weeks. Current drainfrom the battery was about .03ma when connected | ||
Sony | ITD250 | MISSING PART NUMBER FOR BZ1 AND BZ2 | There are no part numbers for BZ-1 and BZ-2 in the servicemanual. -HQ COMMENTS: The 2 buzzers BZ1 and BZ2 are not available as separateitems. However they are part of the lower cabinet assembly.Therefore, if you need to replace BZ1 or BZ2, you will have | ||
Sony | ITD250 | NO VOICE OUT OF HANDSET | Traces are ripped on pins 1 and 2 of MJ301. | ||
Sony | ITD250 | ERROR IN THE SERVICE MANUAL | The frequency of oscillation of the crystal X1 is listed inthe service manual as 300 KHZ. However, the reading on the crystal is800 KHZ. -HQ COMMENTS: The service manual is in error. The correct frequency is800 KHZ. Thanks for the info. | ||
Sony | ITD250 | 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. |