TV Repair: Common Faults and Solutions.

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Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	D180K	High pitched squeal, mechanical	Unit manifested a high pitched squeal during play. the noiseappeared mechanical since it did not come through the line or headphoneoutputs.
SONY	CFSD960	No fast forward - rew ok	Unit will not fast forward. appears as though plastic leverinstalled at factory was still hot and it warped.
SONY	CCDF35	Intermittent playback video	Bad solder on pins 28, 29, 30 of ic-202.
SONY	DTC700	Part number for the holdown jig is incorrectly listed in s/m	The holder jig j2000002a is not registered in kcp or wrpc.is this part number correct? can the jig from the dtc-1000 j8000002a beused or is this jig different since this deck is at an angle? -hq comments: the part number is incorrectly listed in the se
SONY	MVCC1	Will not accept the disk	Does x-212-382-51 item number 1 (holder assembly) include thecoil.
SONY	CDP22	Laser does not come on	Laser would not come on. replaced the block because saw 1.2vat collector of power control transistor q7 when play was pressed butnever saw 2v therefore thought q7,ic1, and micro were good since changeoccured when play pressed. problem same after new bl
SONY	CDX7580	Display pcb dislodged	Display pcb becomes unseated from plastic clips that hold the lower edge of the board, causing no operation of several buttons on the front panel.
SONY	BMC500	Shuts down when record button is pushed	Unit would shutdown when record button was pushed.
SONY	CDX7540	Display pcb dislodged	Display board becomes unseated from plastic clips that hold the lower edge of the pcb, causing no operation of several buttons on the front panel.
SONY	CDX44	Display pcb dislodged	Display pcb becomes unseated from plastic clips that hold thelower edge of the board. this causes no operation of several buttons onthe front panel.
SONY	CDX6020	Display pcb dislodged	Display pcb becomes unseated from plastic clips that holdlower edge, causing no operation of several buttons on the front panel.
SONY	CDXR79	Display pcb dislodged	Display pcb becomes unseated from plastic clips that holdlower edge, causing no operation of several buttons on the front panel.
SONY	KV27XBR10	Set keeps turning on and off, replaced q-651	Set would come up and then go into shutdown at one secondintervals. power supply voltages followed this pattern. found highleakage c-b of q-651.
SONY	EVT801	Does not record	Unit playback ok with pre-recorded tape. would not record aftsignal. signal on pin 1 of ic-006 on v1-43 board was good but not pre-sent at pin 8. changed ic signal came up very little but still notcorrect. checking other pins, found pin 2 never chang
SONY	CCDF55	No vtr function	Unit has camera functions but vtr is dead. will not eject orload and if manually loaded will not function at all.
SONY	CCDF55	Part number error for s501 and s502	On fu-72 board the part numbers for s-501 (eject) switch ands-502 (rem. pwr.) switch are reversed.
SONY	KV27XBR10	Ic-51 has the wrong part description, see supplement # 4	Service manual indicates part as bx-1393 (8-749-900-36).servicer finds this part will not fit. actual part in unit is cbx-1618-51(8-741-100-62). has there been a production change? -hq comments: your servicer is correct. tokyo is issuing a serviceman
SONY	GENERAL	Indication of component location on fprs	It is frustrating not being able to quickly locate a componentlisted in a field problem report. since the report only describes thereference, number a tech still has to spend time to locate the componenton the schematic or the board. -hq comments: this
SONY	CCDF55	White balance adjustments	When doing the white balance adjustment in this unit (not thepreset adjustment), be sure to use the c14 color filter.
SONY	CCDF33	White balance adjustments	When doing the white balance adjustment in this unit (notpreset adjustment), always remember that it should be done with the c14color filter on.