Sony Repair Tips
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Results: 20072
Results: 20072
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
KV8000
|
Incorrect brightness operation with retrace lines | Excessive brightness and retrace tube cathode voltages low,10v. | ||
| SONY |
KV2643R
|
No sound or picture, replaced ic2002 | No sound or picture. could not program any channels norwould the set change address positions. | ||
| SONY |
KV2643R
|
Incorrect channel indication | The channel indicator neon lamps are polarized and will notlight when soldered in backwards. the lamps are not marked as to whichway they are to be soldered in. | ||
| SONY |
KV2101
|
Poor v linearity, r517 increased in value | Poor vertical linearity top 1/3 of picture slightlycompressed. vertical size control to end of range. waveform at base ofq501, blanking pulse 5 msec, it should be 1.2 msec. | ||
| SONY |
KV1714
|
Dead | Dead set, 1.6 amp fuse blown, horizontal out transistorshorted, b+ regulator shorted. | ||
| SONY |
KV1543R
|
Intermittent shut down, replaced r532 | The set would intermittently shut down. | ||
| SONY |
KV1201
|
No color, resoldered r356 | No color. checked cw signal at the collector of q307 whichwas not there. signal was present at the base. i checked the dcvoltage - collector was 18v, that told me that the transistor was notconducting. base voltage was normal (3v) emitter was 2.8v. | ||
| SONY |
KP5000
|
Green picture, replaced c323 | Severe bright green screen no control. | ||
| SONY |
KP5000
|
Shut down, replaced c5112 | Immediate shut down - no high voltage. | ||
| SONY |
KP5000
|
Dead, bushing on vert output was carbonized | Unit cannot be turned on. when the power switch is activated,unit comes on for 2 seconds and goes off. checked and f6103 was foundopen. 120v line was loaded. when i checked resistance from 120v b+ toground, i read 150Ω both ways. ga-9 (plug) pin | ||
| SONY |
FX310
|
No audio | No audio - any function. acts like bad function switchbecause if applied additional pressure on knob volume works - releaseknob - no audio. | ||
| SONY |
TPSL2
|
Defective motor | Tape player would not run. motor seemed to draw excesscurrent. a check of the motor revealed the fg winding was shorted to themain winding. | ||
| SONY |
TPSL2
|
Weak battery spring | Customer complaints of wow while tapping the unit (i found 4units with the same problem). | ||
| SONY |
TCM280
|
Misprint in s/m | On page 23 of tcm-280/280b service manual a part numbermisprint exists. -hq comments: the correct part numbers for two diodes are as follows:dm-101 8-745-101-01dm-101a 8-745-101-11the dm-101 substitutes for the dm-101. thus, in this case, the part | ||
| SONY |
TCK96R
|
Connection error in manual | The connection point shown for the white wire is incorrect.this should go to the other end of r719. the wiring diagram in themanual supplement #2 is not clear on where this wire connects. also, theblack jumper wire and r707 to the connecting point of t | ||
| SONY |
TCK96R
|
Open d604 | Unit will only go into fwd plays - all other modesnonfunctional. | ||
| SONY |
TCK71
|
Alignment of tape path | Found back tension 3.5 gcm and tape path high at pinch rollerand low at head, causing tape wrinkle. | ||
| SONY |
TCK61
|
Missing 2.5mm steel balls | The head deck assy will not move fully into the cassette. inthe case of the tc-k81, the assy jammed in the cassette case, chippingthe erase head. | ||
| SONY |
TAN88B
|
Defective c409 | Dead. found signs of overheating around c413 and c423 asusual. also found area around r419 scorched from heat. | ||
| SONY |
SRF80W
|
Poor connection at q502, d501 | Radio would not work on batteries. it would work if placedin case with speakers. power was taken from amplifier unit. |