Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
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 150 ohms 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. |