TV Repair: Common Faults and Solutions.

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Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	XE8	Wrong part number	Reference numbers 901 and 905 have the part numbers reversed.reference number 901 is part number a-3270-404-a nad is the digital board.reference number 905 is part number a-3270-407-a and is the audio board onpage 17 of the xe-8 manual. -hq comments: ch
SONY	CDPC30	Pivot breakage	Left side pivot supporting optical assembly are breaking dur-ing shipment of units if subject to rough handling and transit key not inplace. the pivot is an integral part of the main frame.
SONY	CPD1302	Set dead or intermittently so	Set is dead or intermittently so. plus lead of c-549 comesloose from its soldered position on the board. this is caused by pressurefrom the bc connector board edge which is against the capacitor. so muchpressure and friction exists that the plastic sl
SONY	CCDV220	Excessive dropouts	Unit is experiencing excessive dropouts.
SONY	KV20TX10	Dead unit, replace ic-101, q-121 & d-605	Set is dead would not turn on. replacing ic-101 on (a) boardrestored operation. now no volume control. q-121 e.b. junction open.q-121 is volume control transistor on (a) board. vcc up to about 8 volts.
SONY	KPR36XBR	Diode d-17 shorts, change l8 to p/n 1-408-300-00	After replacing (d-17), gu3 diode shorts out immediately.
SONY	CCDV11	Alignment procedure for camera section	When trying to perform alignment procedure on camera sectioniris - white balance etc., rm-94 readout was confusing according to themanual. data and address locations did not make sense.
SONY	KV20TS10	Verti8cal fold over and retrace lines, leaky c-534	Unit displayed about two inches of foldover with retracelines.
SONY	SPP100	Intermittently will not find channel	Unit will not lock on channel intermittently and at othertimes is slow. is it possible to modify, so it stays on one (1) channel? -hq comments: if the unit does not lock on a channel, it is due to ex-ternal interference (rf) being present. due to soft
SONY	KV1393R	Wrong part number for esif diode	Part number for (d-513) esif is wrong.
SONY	KV1392R	Wrong part number for esif diode, 8-719-300-65	Part number for (d-513) esif is wrong.
SONY	D15	No disk spin	Intermittent or constant no disk spin by clv motor. referenceno. 21 is bowed up at its narrowest point between the clv motor and thefop. check the motor for (dead spots) as it may have been damaged due tostalling.
SONY	CCDF30	Cannot adjust focus ring	Cannot adjust focus ring. many units have been found withvery tight focus ring (sample enclosed).
SONY	SLHF300	No channel memory	Intermittent loss of channel memory (-27.8v supply was low).
SONY	SLV70HF	Part number correction - ic-604/mf-42 board	The part number for ic-604 on the (mf-42) board (8-759-941-78)as shown in the service manual is incorrect.
SONY	SLV50	Part number correction - ic-604/mf-42 board	The part number for ic-604 on the (mf-42) board (8-759-941-78)as shown in the service manual is incorrect.
SONY	SPP150	Intercom mode operation	Customer complains the intercom does not work properly.instructions on page 19 of the instruction manual are not clear. thehandset will ring once and lock a channel for 1 or 2 seconds. whatshappening is the customer is going into the talk position afte
SONY	KV25XBR	No sound or sound cracking	No sound or sound cracking on some channels.
SONY	KV25DXR	No color on scrambled stations on cable	Problem on the exeter cable co. exeter, new hampshire(continental). the unit had no color on 1 scrambled station and flashingcolor on the other. found burst signal - measured 80mv on the stationthat was flashing and 50mv on the one with no color. all
SONY	PATCH PANL	Sony patch panel	Does a replacement parts list exist for the test panels usedat our sscs? in particular,dpdt center off toggle switch3pdt center off toggle switch3pdt 2-position toggle switchspecial audio sg toggle switchalso, is a similar bat handled 4pdt (center off,