TV Repair: Common Faults and Solutions.
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Results: 87431
Results: 87431
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | CDPC40 | Broken pulley chucking | I have found the pulley chucking broken in several units. ihave replaced the pulley chucking and on a few units they have come backin a few weeks with the same problem. i found by melting and spreadingout center of the pulley chucking so it overlaps th | ||
| SONY | CDPC30 | Broken pulley chucking | I have found the pulley chucking broken in several units. ihave replaced the pulley chucking and on a few units they have come backin a few weeks with the same problem. i found by melting and spreadingout center of the pulley chucking so it overlaps th | ||
| SONY | CDPC26 | Broken pulley chucking | I have found the pulley chucking broken in several units. ihave replaced the pulley chucking and on a few units they have come backin a few weeks with the same problem. i found by melting and spreadingout center of the pulley chucking so it overlaps th | ||
| SONY | CDPC20 | Broken pulley chucking | I have found the pulley chucking broken in several units. ihave replaced the pulley chucking and on a few units they have come backin a few weeks with the same problem. i found by melting and spreadingout center of the pulley chucking so it overlaps th | ||
| SONY | SPP50 | Spp-50 serial number same; channels different | Serial numbers on handset and base same but base unit usedchannel no. 10, while handset used channel no. 4. | ||
| SONY | CDPC500 | Incorrect part number | The part number in the service manual on page 20 shows thestep screw with the part number 7-685-666-79. this part number comes upas a standard thread black screw. the correct part number is needed. -hq comments: tokyo has supplied the correct part num | ||
| SONY | CDPC400 | Incorrect part number | The part number in the service manual on page 20 shows thestep screw with the part number 7-685-666-79. this part number comes upas a standard thread black screw. the correct part number is needed. -hq comments: tokyo has supplied the correct part num | ||
| SONY | CDPC30 | Incorrect part number | The part number in the service manual on page 19 shows thestep screw with the part number 7-685-666-79. this part number comes upas a standard thread black screw. the correct part number is needed. -hq comments: tokyo has supplied the correct part num | ||
| SONY | CDPC26 | Incorrect part number | The part number in the service manual on page 19 shows thestep screw with the part number 7-685-666-79. this part number comes upas a standard thread black screw. the correct part number is needed. -hq comments: tokyo has supplied the correct part num | ||
| SONY | CDPC20 | Incorrect part number | The part number in the service manual on page 19 shows thestep screw with the part number 7-685-666-79. this part number comes upas a standard thread black screw. the correct part number is needed. -hq comments: tokyo has supplied the correct part num | ||
| SONY | SLHF860D | Tracking control has no effect | Fifty percent duty cycle pulse at pin 2 of ic-404. signalshould be varying pulse. 2v square wave set by the tracking controlbuttons. this signal is then sent to pin 3 of ic-001 (drum/capstan servochip). disconnected pin 2 ic-404. signal then shows n | ||
| SONY | SLV50 | Lp-4 kit installation causes irregular capstan operation | Capstan would intermittently not turn in loading-ff-rew modesand act sluggish also a constant audio warble in normal audio. thisproblem appeared after installing lp-4 kit with update ic-501 on (ma-27)board. | ||
| SONY | NP77 | Thermal protection of batteries | As per tokyo, the thermal breaker inside the battery activatesbetween 70 degrees c and 80 degrees c. the breaker will then recoverafter the temperature falls below this point. | ||
| SONY | NP55 | Thermal protection of batteries | As per tokyo, the thermal breaker inside the battery activatesbetween 70 degrees c and 80 degrees c. the breaker will then recoverafter the temperature falls below this point. | ||
| SONY | NP22 | Thermal protection of batteries | As per tokyo, the thermal breaker inside the battery activatesbetween 70 degrees c and 80 degrees c. the breaker will then recoverafter the temperature falls below this point. | ||
| SONY | AC220 | Incompatibility of using ac-220 to charge np-1h | Customer tried charging np-1h with ac-220. unit will not gointo charge mode. -hq comments: ac-220 will only charge np-1 battery not np-1h. customermust use acp-1h charger with bca-1h adaptor to charge np-1h. | ||
| SONY | NP1H | Ac-220 can't charge np-1h: need bc1wb chrgr | Customer tried charging np-1h with ac-220. unit will not gointo charge mode. -hq comments: ac-220 will only charge np-1 battery not np-1h. customermust use bc1wb charger to charge np-1h. | ||
| SONY | CCDF70 | Zoom button part number error | Zoom button identified as reference no. 66 on page 151 of theservice manual, part number 3-724-526-01. servicer ordered twice andreceived wrong parts. either wrong part number in the manual or wrongpart in bin in kansas city. -hq comments: the problem | ||
| SONY | PVM2530 | How high can they be stacked | Need to know how many units can be stacked on top of oneanother. -hq comments: tokyo recommends that only three units be stacked on topof one another. | ||
| SONY | FDL320 | Resistor value for r-620 | Service manual states r-620 is 15kΩ but unit has 4.7kΩresistor in circuit. has there been a change? hq comments: original value for r-620 was 15kΩ. due to circuitchange the resistor value has been changed to 4.7kΩ. we are notsure when |