TV Repair: Common Faults and Solutions.

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Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	KV1743R	Tuner locks up	Tuner was locked up on channel 5. when channel button waspressed, the picture from other channels would appear for an instant, thenrevert back to channel 5. volume and power would not function.
SONY	STRVX750	No operation	No operation, no display, but standby indicator does light up.problem may be intermittent. same problem happens on strvx550.
SONY	KV1943R	Tuner locks up, rubber contact, 9-919-577-00	Tuner was locked up on channel 5. when channel button waspressed, the picture from other channels would appear for an instant, thenrevert back to channel 5. volume and power would not function.
SONY	STRVX550	No operation	No operation, no display, but standby indicator does light up.problem may be intermittent. same problem happens on strvx750.
SONY	CCDV9	Incomplete loading of tape	Unit would load approximately half way, then stop. if lightpressure was applied to top lid, loading would continue, but stop againwhen mechanism was a little lower. eject worked fine. when using modeselector box, unit loaded and unloaded properly, eve
SONY	SPP80	Battery does not hold charge	The battery was dead in the handset. charged battery over-night. unit functioned a couple of minutes the next day, then died.replaced battery and charged overnight. unit was functional for longerthan a few minutes, but went dead within one hour.
SONY	SPP90	Unit will not ring	The phone will not ring when the base unit gets an incomingcall. however, both the base unit and the handset do ring when using theintercom.
SONY	TAAX391	Mute and dbfb	I would like to know if you can mute this unit using therm-p202 remote. it does not appear to have this ability. also pleaserefer to page 6 of the manual. what does dbfb on ic-901/p12 stand for?it appears to be active only when the motor is turning.
SONY	KPR4620	Breakage of buttons, p/n for buttons below	I was told awhile back that a service bulletin would beissued on replacing the buttons part numbers 4-375-410-02 and4-375-445-03. instead of the escutcheon which is on backorder (n la 333).when will the service bulletin be issued? -hq comments: no serv
SONY	EVT801	No loading/unloading cassette door does not close	Cassette door would not close and tape would not load.
SONY	EVS700U	No tuner function - unit is always in multi pcm mode	Input select would not change. unit was always in multi-pcmmode.
SONY	EVC3	No rf output	Unit came in with customer complaining about no output. foundtv/vtr switch in back of unit in the incorrect position. in tv rf loopsthrough and in vtr it plays back channel 3.
SONY	EVC3	No loading/unloading	Cassette would not load or unload.
SONY	CCDF70	Unit shuts down after a few seconds	Unit shuts down after a few seconds of operation.
SONY	KV27XBR10	Clock gaining time, see service bulletin number 87	Clock is gaining time. -hq comments: add a capacitor .01uf/50v p/n 1-124-463-00 betweenthe base of q-105 and ground. (a board) please refer to servicebulletin number 87 for diagram and additional information.
SONY	KV32XBR10	Clock gaining time, add .1uf/50v cap base q-105 to ground	Clock is gaining time. -hq comments: please refer to service bulletin number 87. add a 0.1ufcapacitor from the base of q-105 to ground. (a board)
SONY	GEN-TEL	Hearing-aid compatibility	All sony telephone products manufactured after august of 1989are hearing-aid compatible. sony has a few models that were current whenthis change came about. therefore, some models have units that arehearing-aid compatible and some units which are not.
SONY	ITA850	Line led flashes/no answer in out mode	While the phone is ringing, line led flashes and phone willnot answer the call. phone works normally. found leaky ph-105 causingunit to think it is receiving a steady ring signal. -hq comments: the phone counts the number of rings to know when toanswe
SONY	CCDF46	Noisy ff and cue	Noisy ff and cue.
SONY	CCDV99	Noisy ff and cue	Noisy ff and cue. this is the second time i have seen this.