TV Repair: Common Faults and Solutions.

Search:
Results: 87430

Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
SONY	CCDV220	Dropout in playback	Dropout in playback.
SONY	CCDV11	Ls assembly part numbers	Reference number 257 on page 150 is needed. part numbers stopat no. 249. -hq comments: please refer to ccd-v11 service manual supplement no. 2.
SONY	D15	6v generation	Could you give a brief description of how the 6v is derived?what should the waveform be on pin 10 of ic-104? the waveform on thecollector of q-406? -hq comments: pin 10 of ic-504 is a pwm signal which by turning q-405 onand off turns q-406 on and off.
SONY	KV1397R	Part number for pink control door	There is no part number for the control door assembly for thepink cabinet. it is not listed in supplement no. 1 or main servicemanual. -hq comments: the part number is x-4374-951-2.
SONY	ITA650	Caller being cut off	The problem is the use of vox during cpc and 60 sec. vox modecuts the caller off after a few seconds.
SONY	XR66	No balance control	When adjusted balance control, both channels still have sound.checked balance control works ok. but between balance control rv to lineamp ic signal leaks to each channel. i think the glue used to fix thejumper wire tray on the mother board parts side i
SONY	CCDV5	No camera record with battery	Would not record, eject ect. with fully charged battery.would operate fine with viewfinder disconnected or using acp-80. withbench power supply found that unit would shut down at 6.24 volts with nobattery down indicator. found frequency at q-653 to be
SONY	CDPC50	Part numbers needed	We need part numbers for the following which are on page 20 ofthe service manual:b down switch boarda up/open switch board -hq comments: these part numbers are listed in the cdp-c20/c26 and c30service manuals. the part number for the up/open switch boa
SONY	STRGX10ES	No sound	Unit powers up, but no sound. speaker relay not turning on.low voltage secondary winding open on the t-601.
SONY	XR787	Motorboating on fm	Unit would motorboard on fm when very hot. found that thesupply voltage to the lpf for fm vt was low (4.3v) with normal 14v input.also located thermally leaky c-206 which caused the motorboating fromheat. replaced c-206, this eliminated motorboating wh
SONY	KV8AD10	Hum from speaker with power off	There was a hum coming from the speaker with either ac or dcpower connected and power switch was off. found q-653 very leaky. remov-ing from unit one leg of the transistor was off. the transistor hadgotten very hot. it looked like wrong polarity dc a
SONY	GV8	No power	Unit had no power. pin 34 of ic-101 servo/system control icwas dead. found x-101 defective.
SONY	EVS800	Loading	Loads tape then right away unloads. does not thread tape.
SONY	XR7150	May not turn on or select various functions such as am or fm	May not turn on or select various functions such as am or fmetc. also applies to serial number 30058. the two units listed are onlyrepresentative of a number of similar failures.
SONY	STRAV340	At maximum volume - sound hardly audible	Servicer called me to explain that at full volume you canhardly hear audio o/p. he stated that asp chip ic-601 had been replacedwith some results. he said he had all voltages as well as data clk andstrobe, but very little output from ic-601.
SONY	TCWR800	Cannot do tape speed adjustment as per manual	Cannot do tape speed adjustment as per manual.
SONY	TCW600	Cannot do tape speed adjustment as per manual	Cannot do tape speed adjustment as per manual.
SONY	TCW9ES	Cannot do tape speed adjustment as per manual	Cannot do tape speed adjustment as per manual.
SONY	CDXA20	White noise on soft passages or between songs	A customer took his unit and this article to his dealer withthe same complaint. what is the fix? reference car audio andelectronics. -hq comments: service bulletin car stereo no. 135 has been written toremedy this situation. i will fax you a copy.
SONY	TCW7ES	Cannot do tape speed adjustment as per manual	Cannot do tape speed adjustment as per manual.