Repair Tips

Search:
Results: 87709

Make	Model	Symptom	Problem
SONY	PCM701ES	Leaky d201	Volume control appeared to be defective. it was noisy whenvaried. input to q201 always had a negative voltage present. this wascaused by a leaky d-201.
SONY	ICFC10W	Pop in audio	Pops in speaker when radio alarm is activated. seems to becaused when q4 is switched. there is dc differences between switchedgrounds. -hq comments: the mild pop prior to audio is normal and as you suspectedcannot be eliminated. further efforts to el
SONY	ICF9540W	Replacement switch is different	Legs of switch are too short. original is 11 mm. replace-ment is 7 mm. switch needs to stand away from board for proper operation. -hq comments: currently, a new number is being assigned to this am/fmband switch: t-998-029-91
SONY	CDP101	Defective ic507	No analog output from ic507 (d/a converter). all supportsignals present. data input present. no noise detected.
SONY	XR75	Switch contact not good	Intermittent operation of eject. works on first touch fiveout of six tries but then requires several hard pushed on button on geteject.
SONY	XR55	Pc board cracks	Pc board cracks by attempting to disassemble the unit withoutremoving the support bolt on rear of unit which protrudes into the unit.
SONY	XR45	Placement of q315	The belt was rubbing on q315 causing wow in audio and slowrewind. q315 was leaning the wrong way.
SONY	TCM5	Case must be insulated	After installing new motor and board observed intermittent operation of motor and intermittent speed.
SONY	TCFX2	Stuck lever	Audio line output muted in all modes. the problem wascaused by a stuck lever assy, which is used to operate the mutingmicro-switch, located on the lower right corner of the rear of the tapetransport. while attempting to disassemble, the lever suddenly
SONY	TAAX6	Defective relay	The left channel would intermittently cut in and out. wefound the problem to be the speaker relay.
SONY	STRVX4	Defective ic404	We were unable to vary vc voltage to the tuner on this unit.the display worked normally. we found that there was no output from 11 ofthe pll ic404.
SONY	STRV55	Leaky c101	Only white noise was heard in fm mode. pll tuning voltage(2.8-20v) did not change at all.
SONY	RS30	Open r205	Unit would not enter answer mode or playback ogm. ogm wouldbe put on tape with cue signal but not played back. private message wouldplay back normally. cue signal (pin 2 port c) on ic202 was 1.8k squareand unstable causing cpu not to read cue. this
SONY	RS20	Defective q901	When switching s502 from out to in position and pressing c601for ogm recording stand-by, this unit rewinds the tape halfway, fastforwards, forwards, and then stops. when pressing s601 again to recordogm, the alarm beep comes on, and it does not record o
SONY	PSFL1	Worn rack and gear	When attempting to operate turntable drawer, a loud clickingcould be heard. inspection of the rack and gear revealed the rack haddamage on the first tooth, and the gear also appeared damaged.
SONY	M102	Motor would not fit	I found the mounting bracket to be incorrect in size and holespacing. kc told me that i was wrong and that the motor should work.they suggested that i reorder a motor, which i did, and this one came inwith the same problem. -hq comments: motor mounting
SONY	CDP101	Defective cx193	Disc motor spins backwards on start-up and then reverses tonormal drive. no kick start and only 1.5 vdc b+ at chip instead of 5 vdc.failure to accept disc after warm-up. vcd + focus bias out of adjustment.
SONY	CDP101	Defective kss-100a	Skip of program material at random. full and accuratealignment had no affect. acquisition time is excessive and unit isvibration sensitive.
SONY	XR25	Incorrect mounting of fader	Unit came in with no sound, amp chip was replaced. foundfader control was mounted 180 degrees which caused the pins on the controlto short to chassis. remounted fader control.
SONY	WM4	Battery shorts	Not operating on batteries.