TV Repair: Common Faults and Solutions.
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Results: 87413
Results: 87413
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | STRV4 | Different transistor used | Transistor 2sd666a is used in the unit. however, the partsdescription has it listed as 2sc1811. a further check with the transistorsubstitution book did not verify that one is a substitute of the other. | ||
| SONY | ICFC21W | Fragile connector | The connector used to wire the main board to the functionboard is too short and fragile. during repairing, any pressure appliedcan cause it to short or keep the radio on. it is also difficult tostrip and solder. | ||
| SONY | TFM7720W | Broken connection on antenna | No a.m. | ||
| SONY | TCK5 | Disassembly instructions are missing | No disassembly instructions are given for removal of thebutton assembly. | ||
| SONY | TCK2A | Defective record switch | Intermittent high frequency oscillation. once started, the only way to stop it was to engage record mode and return to play. problem occurred only in play mode. | ||
| SONY | TCK1A | Error in s/m | P/n 8-834-021-xx for motor (d-02162) is listed in the s/m.however, a servicer found dnf-1001b motor, p/n 8-835-006-00, in the unit.which if either of these motors is correct for this model? | ||
| SONY | PSX30 | Detection lever jammed | Scraping noise. cause is detection lever had been jammedunder protrusion on bottom of cam gear in shipping and was permanentlywarped. this was touching the top of the magnet ass'y on the motor shaft. | ||
| SONY | PSX30 | Incorrect spacing of cam and gear | The gear (reject cam) will not engage. cause is the spacingbetween the cam and the gear on the motor shaft was excessive preventingthe clutch assy to be pushed far enough to engage the teeth. the spacebetween these gears was visibly greater than on oth | ||
| SONY | ICFC11W | L8 disconnected | No buzzer alarm. | ||
| SONY | CF520 | R401 opens | R401 opens and the motor will not run. | ||
| SONY | TCM121 | Belt jumps off motor | Belt jumps off motor pulley due to lubricant getting on belt. | ||
| SONY | TAE5450 | Transformer radiating 60hz | Hum in both channels. volume control had very little effecton control of hum. if volume control turned up, tone controls wouldeffect hum. | ||
| SONY | STRV2 | Blown transistors | Several units came in with blown power fuses. | ||
| SONY | ICF7750W | Timer does not function | Timer will not cut off after activating. | ||
| PHILIPS | 14PV162 | Calling installation menu | The installation menu is activated by the following procedure: - switch on the set by means of the stop key. - press simutaneously the cursor left and the cursor right key on the remote control. | ||
| PHILIPS | 14PT156B | No pic (field collapse) - sound ok | R3449 4r7 feed res to fop chip o/c - no other fault detected | ||
| PHILIPS | 14HT3303 | Service code of the fm-radio tuner. | In the partslist of the radio-sp/ls-vbatt panel of the chassis manual l9h.2e, the service code of the fm-radio tuner item 1901 was not indicated. the service code is 9352 632 70112 | ||
| PHILIPS | 14CN3001/05 | Int low contrast | Check preset res (chan scan) isn't shorting to crt aquadag | ||
| PHILIPS | 14CN2201 | Dead - correct 100v ht on dummy load | Scan coils - had arced across rubber wedge | ||
| PHILIPS | 12TVCR240/05 | St/by only - no line drive | Ug06b clamp diode leaky |