Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | ICFC15W | DEFECTIVE POWER TRANSFORMER | Dead. Check for hum in radio when repaired. | ||
Sony | ICFC15W | DEFECTIVE IC - MM5387N | Hour numbers jumped from 4 to 7, 8 back to 7 instead of 4, 5,6, 7. | ||
Sony | ICFC15W | SHORT IN PCB | No clock read out. Voltage on grid too low. | ||
Sony | ICFC11W | POOR CONTACT | No alarm, switch was not making proper contact. | ||
Sony | ICFC11W | POOR CONNECTION IN SWITCH | Cannot set alarm. | ||
Sony | ICF9650W | CRACK IN PCB | No sound, dial lamp lights, found no B+ to radio. | ||
Sony | ICF9650W | BREAKS IN PCB | Circuit board broken at 3 out of 4 places where circuit boardis mounted on front panel. No damage visable on main cabinet assy.,packing or box. | ||
Sony | ICF9650W | COLD SOLDER JOINT T404 | Hum only, no AM, no FM, B+ for radio was only 1.5V insteadof 7.5V. | ||
Sony | ICF9650W | BREAK IN PCB | Dial light works, no sound. | ||
Sony | ICF9530W | MISSING P/N | The volume control part number is missing from the S/M. | ||
Sony | ICF7750W | L17 NEEDED REDRESSING | No weather band reception and dead carriers at intervalsacross high VHF band. Only sound of 2 local TV stations came through. | ||
Sony | ICF7750W | LEADS BECOME LOOSE | No sound intermittently because the audio output transformerby its very weight had caused its secondary leads to become unsolderedfrom the board. If this transformer were held in place by tabs as aretransformers used in color TV's, this problem, I feel, | ||
Sony | ICF7370W | MISSING SWITCH ARM | Radio would not switch from FM to PSB band. | ||
Sony | ICF7280W | COLD SOLDER JOINT ON CT4 | No AM. | ||
Sony | HST49 | LEAKY CAP | Unit came in with no AM and no FM. The amplifier and tapeportion works fine. Checked B+ at Pin 7 of IC101 and found 18.5V (nocurrent draw by IC). Replaced IC101 (CX-168), still no AM or FM. |