Dicas Reparação
Modelo - Chassis WM7
Pesquisa: WM7 Enviar Dica Resolvida
Resultados 31
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | FWM779/ FWM589/ FWM57 | DISPLAY INDICA: READING. | Verificar os capacitores: 2873, 2874, 2870, 2871, 2872, 2875. | ||
| Philips | FWM779/ FWM589/ FWM57 | DESLIGA LOGO APOS LIGAR. | Medir tensão nos emissores dos transistores (7102, 7107, 7150 e 7152), caso esteja baixa/sem tensão em alguns destes, verificar possibilidade estar aberto um dos seguintes resistores (3128, 3126, 3164 e 3170) encontrando algum aberto verificar possível fuga em alguns destes capacitores (2112, 2113, 2156 e 2157) . | ||
| Philips | FWM779/ FWM589/ FWM57 | DESLIGA INTER. OU PROTEGE (REW 3 P/ VCR). | Verificar possível alteração nos transistores do circuito de proteção: 7205, 7206 e 7212. | ||
| Philips | FWM779/ FWM589/ FWM57 | DANIFICA SEMICONDUTOR IC OU TS | Danifica o FET após a troca, antes de conectar o Painel Amplificador deve ser descarregados os capacitores da fonte. | ||
| Philips | FWM779/ FWM589/ 57 | AQUECENDO TRANSISTOR | Caso esteja aquecendo demasiado os transistores FET: 7112, 7117, 7162, 7165; verifique diodos com possível alteração: 6107, 6110, 6155 e 6160. | ||
| Sony | WM7 | CONSTANT AUTO REVERSE | Unit only works with headphones. If customer hooks up unit toamplified speakers, home stereo, or 2 piece wireless headphones, the unitwill constantly auto reverse. Customer no longer has original remotecontrolled headphones and they are no longer avail | ||
| Sony | WM75 | NO P/N - PACKING MATERIAL, HEADPHONE JACK | No P/N for rubber packing which goes in the headphone jacks. -HQ COMMENTS: P/N is 3-326-140-01. We will issue a S/B. | ||
| Sony | WM75 | REF NUMBER | Ref # 154 and 172 are reversed. -HQ COMMENTS: We will issue a S/B. | ||
| Sony | WM7 | SUBSTITUTE HEADPHONE JACK DOES NOT FIT | The jack substituted (P/N 1-507-787-11) is different from theoriginal jack (P/N 1-507-787-00). The jack substituted does not fit onthe main PC board because the new jack consists of 3 pins while the oldjack consists of 5 pins. -HQ COMMENTS: Part number | ||
| Sony | WM7 | UNIT DEAD - NO OPERATION | A technician replaced the system control circuit but the unitis still dead. Noticed the switch (S807) was in FF position. Put theswitch back to the stop position and applied power to the unit. Theswitch went to FF position again. | ||
| Sony | WM7 | THE PB HEAD DOES NOT STAY IN PB POSITION | In PB mode, the PB head goes up and down three times and goesback to stop position. | ||
| Sony | WM7 | HEAD BRACKET OUT OF POSITION | 1) No audio, noise only. 2) Low volume, audio distorted.3) Low audio, low volume, high pitch noise. | ||
| Sony | WM7 | SWITCHES NOT IN PLACE | CP801 latches up. Grounding emitter of Q303 RESETS system,when condition appears. -HQ COMMENTS: After a command such as REW is activated, feedback tothe CP801 control circuit on the flex board must return or the CP801latches up. The feedback for the c | ||
| Sony | WM7 | MISSING PART NUMBER | The part number for the key switch board is not listed inthe S/M. | ||
| Sony | WM7 | REPLACEMENT PART NEEDS MODIFICATION | Membrane circuit board requires modifying from form in whichit is received for proper installation and working in machine (cutting ofmembrane). -HQ COMMENTS: The circular foil path in the upper most right corner ofmembrane needs to be cut. |