Dicas Reparação
Modelo - Chassis TAM50
Pesquisa: TAM50 Enviar Dica Resolvida
Resultados 32
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | TAM50 | NO MECH MOTION RESOLDER MOTOR M1 | Mech had no motion. I replaced S101 and did not solve theproblem. I found that the M1 wire was loose or cold soldered at themotor. | ||
| Sony | TAM50 | INTERMITTENT POWER - REPLACE MOTOR M1, P/N 1-541-705-11 | When power is first applied, motor will not do an initial tapereset. This also causes unit to appear to have no power. This is causedby a defective motor (M1). The following internal defects were found inM1: Rusty laminated armature, defective armatu | ||
| Sony | TAM50 | LOW AUDIO - REPLACE IC5, P/N 8-759-903-86 | Low audio is heard when messages are played back. Tracedaudio signal to IC5 and found the output to be producing a low signal. | ||
| Sony | TAM50 | SERVICE MANUAL HAS BEEN REVISED | The Service Manual has been revised. However the new manualhas not been released as yet. -HQ COMMENTS: Tokyo will soon issue the revised manual. Until revisedU.S. model is issued, use Canadian service manual p/n 9-955-536-21.The following changes were i | ||
| Sony | TAM50 | NO OGM ACTIVIATION - REPLACE RY1, P/N 1-515-693-11 | Unit rings but OGM will not activate. Voltage around Q2checks out OK, found Q2 turning on but RY1 was not closing. Replacing RY1fixes this problem. | ||
| Sony | TAM50 | NO OGM OUT - REPLACE R302, P/N 1-247-895-11 | When playing OGM, audio is fine out of speaker, but not makingit out onto telephone line. Checked audio on isolation transformer T1.Found weak signal. Checked signal between IC4 pin 7 and isolationtransformer T1 (OGM audio path out), found R302 open. | ||
| Sony | TAM50 | DROPS LINE IMMEDIATELY AFTER OGM ACTIVATION - REPLACE C4 | After unit receives select amount of rings, OGM activates thenimmediately drops telephone line. Found Bell/OGM int. line not holdinglow after OGM activation. PH4 is not turning on. Checked voltages on pin1 & 2 Ph4 during OGM activation. Found pin 1 o | ||
| Sony | TAM50 | PART NUMBER CORRECTION: KEYBOARD SWITCHES | The part number for keyboard switches: SW1 to SW8, and SW15 isincorrectly listed in the service manualas 1-554-937-11. | ||
| Sony | TAM50 | WILL NOT ANSWER INCOMING CALLS | |||
| Sony | TAM50 | WILL NOT ANSWER INCOMING CALLS | Customer complains of unit not answering incoming calls. Unitworks fine in shop. Most of these that we have seen are when the customerlives in a smaller community or rural area. These answering machines seemto have a problem detecting the ring on some | ||
| Sony | TAM50 | DROPS THE LINE | After answering ring signal, unit would drop the line duringOGM playback. After visual inspection, R-5 and R-7 were found to beshorted together. Also pertains to serial number 180783. | ||
| Sony | TAM50 | LOW AUDIO | Low audio during playback of any function. This was caused byCN-A leads being shorted. Also pertains to serial number 72887. | ||
| Sony | TAM50 | AVAILABILITY OF AC-T122 AC ADAPTOR | Previously the AC-T122 AC Adaptor used in this unit was notavailable, and was subbed at KCPS with a AC-T120. However the AC-T120 is a200 mA adaptor, while the AC-T122 is a 300 mA Adaptor. Therefore theAC-T120 will not operate the TAM-50. Therefore as of | ||
| Sony | TAM50 | UNIT NOT ANNOUNCING TIME | Unit is not announcing time, it beeps. There is no activityon IC-10/pins 34 and 36. IC-10 (the Time IC ), and IC-3 (the micro) wereboth replaced. Problem still persists. All other functions seem towork ok. -HQ COMMENTS: Please check the following pi | ||
| Sony | TAM50 | LOW OGM PLAYBACK TO CALLER - ICM CUTS OFF | When the TAM answers an incoming call, the OGM will be playedout the line at a low volume level and the ICM will be cut off inter-mittently. This is caused by ZD-1 leaking and allowing the line currentto drop below the minimum level required to hold the |