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Results: 87719
Make Model Symptom Problem Solution By
SONY KV1957R
Picture overload/interference, install a capacitor The set would intermittently have an interference in thepicture and sound which would sometimes overload it. the problem wascaused by horiz. noise that was appearing on the u input to the band-switch ic/ic102 pin 3. the noise was not originating from a
SONY D5
No sled movement No sled movement in either normal or service mode. flywheeltransistors had been overheated and damaged. replaced 5 flywheel tran-sistors. sled would then move only in one direction.
SONY KV20XBR
P/n for m bracket and shield case power supply block I need the part numbers for 1) the plastic frame that the mand d boards are mounted to, and 2) the metal cage that the ga and gbboards slid into. -hq comments: the part numbers you asked for are as follows: 1) m. bracket: 4-374-217-1
SONY BMC550
No video No video record, audio ok.
SONY BMC110
Lines in pix Lines in pix.
SONY SL10
Eats tape Eats tape.
SONY SL10
Eats tape, intermittent loss of fg Eats tapes. capstan speed overruns, spilling tape.
SONY SL20
Unable to tune vhf hi band switches to uhf Unable to tune vhf hi band switches to uhf tuning with vhf hiindicated. ic401 pin 17 would not go low when vhf hi selected.
SONY SL2400
Intermittent operation Apparently glitches were going to the microprocessor andgiving it commands.
SONY D5
Unit shuts down Ic508 (pwm drive sled) burns up. also, pin 23 ic501 voltagegoes up to 4vdc when ff is pushed in service mode. it should be only+1.5v.
SONY CDP70
Motor starts in correct direction, then reverses & overruns Motor starts in correct direction, then reverses and over-runs.
SONY CDP70
Motor reverses and spins backwards Motor starts in forward direction, then reverses and spinsbackwards until shutdown.
SONY TCW2
Bent motor mounting brackets (no transport) Tape decks did not work because the motor brackets had beenbent downwards by the weight of the motors. the motors are heavy and thebrackets are made of soft metal, so they can be deformed in normal ship-ping and handling.
SONY KV8100
Part numbers I need part numbers of rv303, 305, 306 and 304. -hq comments: the part no. are as follows: rv303 1-226-506-11 brt rv305 1-224-146-11 color rv306 1-224-146-11 hue
SONY KV25DXR
Service mode problems and no remote or front panel control 1) this unit would not go past #19 in service mode. 2) therealso was no remote or front panel controls and no display. only power on/off worked. found solder blob across s2001 section #4 connecting ic2005pin 21 to 38 all the time. pulling on wires fr
SONY D5
Q503 failure On several of these units we are finding q503 is shortingout sometimes along with ic508. in a few cases after replacing alldefective parts and going through all alignments, some of these unitsare coming back after approx. 2 months with repeat failure of
SONY PSFL9
P/n for upper frame assy Need part # for upper frame assy. -hq comments: the part number is 4-905-866-01. the number is listed onpage 43 as ref. no. 113.
SONY CCDV8AFU
Loss of playback chroma, sound and speed regulation When playing back it, and appears to be going half speed. prerecorded tapes operate'properly. found that pin 3 of ic101 has 3.9v at all times. staticresistance check of c132 shows 7 kΩ.
SONY FD20A
No service manual for new board and parts No service manual for new board (a board p/n 1-614-043-11)and parts. -hq comments: pls look to fd-20a supplement no. 5 for the informationsyou need. the supplement p/n is 9-963-120-85.
SONY KV1311CR
Missing part number, not available, must replace component Missing part number of cp841 and cp843. -hq comments: the part number for cpxxx components are not listed ins/m because sony policy is to repair these components not to replace them.cp841 consists of three 75Ω resistors (1/6w p/n 1-247-805-00) andcp