Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | SPPA450 | POOR RANGE OR DOES NOT GRAB LINE - REPLACE Q1 IN BASE' | Unit had very poor range. Output of Q1 (RF amp/mixer inbase) was low. | ||
Sony | SPPA450 | NO POWER OR TEST MODE ON HANDSET | No power handset. Checked pins 31, 32, 34 on IC505 found pin31 low. Lifted pin and stayed low. Have seen this on a number ofSPPA250 and 450 units. One of four pins has been stuck low when problemoccurs. Problem may also exist on the new Q models. | ||
Sony | SPPA450 | UNIT WILL NOT RING AND WILL NOT RECEIVE INCOMING MESSAGES | Unit will not ring and will not receive incoming messages. | ||
Sony | SPPA450 | FLYWHEEL BROKEN ON MECH | Unit had no answering machine funtions and had a rattle.Found flywheel broken from capstan shaft assy. | ||
Sony | SPPA450 | UNIT FAILS TX FREQ OFFSET IN BASE - REPLACE C113 AND C114. | Unit fails TX freq offset in base. | ||
Sony | SPPA450 | WE CAN'T HEAR THEM,BUT THEY CAN HEAR US | No audio in handset speaker. On test jig handset checks ok,base unit did not pass transmitting. DC voltages on IC5(pins 7,8,9,10 ) were wrong. Found shorted cap C32. |