TV Repair: Common Faults and Solutions.
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Results: 87430
Results: 87430
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | ICFC2W | Clock gains time | (exchanged unit) customer complains that unit gains 5-6 min./wk. manual instructs user to release m and sleep button when desired runtime appears for sleep function. if customer releases buttons at thesame time, unit will gain 1 minute each time sleep | ||
| SONY | FD240 | Black battery lid part number | The servicer orders the above part number and receives:3-342-785-11. this is a gray lid. we need a black one. could you pleaseforward the correct number? -hq comments: 3-342-785-01 has registered separate from 3-342-785-11.this problem might be cause | ||
| SONY | CCDF30 | Lithium batteries drain too fast | Q-203 in the digital titler circuit intermittently shortscausing the resistance across the lithium battery to drop. this causesthe battery to drain too quickly. | ||
| SONY | KV2648R | Horizontal pulling, replaced r606 and r607 | Horizontal pulling, accompanied by ticking noise present whenoperating unit above 110 volts a.c. | ||
| SONY | KV1975R | Vertical instability, see sb ctv0236 | Cx20082 is replaced by cx20192, part number 8-752-019-20 percomputer and microfiche. vertical instability develops when installingthe recommended replacement. in addition, service bulletin 236 indicatesthese ics are not interchangeable. | ||
| SONY | EVA300U | Unit enters shutdown mode | When play button is pressed, unit enters shutdown mode. inoticed that the pinch roller was not engaging the capstan shaft. inspec-tion revealed that the pinch press lever was jammed. | ||
| SONY | CDPC500 | Transit key | Need part number for new style transit key. -hq comments: the part number for the transit key is 4-930-510-01. | ||
| SONY | MDP200 | 3.5 inch disc sputtering | Unit does not play 3.5 inch disc instead there is a sputtering sound from it. | ||
| SONY | KV1395R | No brightness/retrace lines, replaced r527 | The unit displayed retrace lines and had no brightness or nocontrol of brightness. found r-527 was open. this is the 135v feed tothe abl circuit. | ||
| SONY | STRVX350 | No fm reception | No fm reception. inspection revealed no forward bias onq-102. r-106 was open. schematic shows this resistor at 820Ω. wheni installed an 820Ω resistor in the circuit, the collector voltage ofq-102 dropped to 5-4vdc. this resistor should be lab | ||
| SONY | KV2775R | Intermittent blanking, replace r-376 on "a" board | The unit exhibited intermittent blanking. all other functionsworked ok. the problem was an intermittent r-376. replacement resolvedthe problem. -hq comments: r-376 is located off b/q307 (blanking). | ||
| SONY | ITK500 | Could not break dial tone while dialing | Could not break dial tone when dialing. did not find anyvoltage at pin 15, ic-201. c-212 was shorted. | ||
| SONY | ITK500 | No speaker phone or radio audio | No speaker phone or radio audio. i did not find any b+ atpin 26, ic-1. c-25 was shorted. | ||
| SONY | KPR36XBR | Intermittent problems on the (a) board, liquid from crt | This unit has had intermittent problems occuring in thecircuitry of the (a) board. the most recent failure was in the displaycircuit. l-101 on pins 1 and 2 of ic-104 was open. at this time, wenoticed excessive liquid material on the pc board. this wa | ||
| SONY | SSM910 | Dead | F-102 blown. also pertains to serial number 112979. | ||
| SONY | CDXA20 | 3 inch cd adaptor | Magazine stuck in the unit. when you open unit, find two 3inch cds separated from the adaptor. all are jammed inside the elevator.the 3 inch cd adaptor brand is (recoton). | ||
| SONY | CFSW50 | (md) board | The (md) board in this unit does not correspond to theschematic. do we have any additional information? if so, please fax tothe minneapolis ssc. -hq comments: we have no additional information on this at this time,and we have not had any other complai | ||
| SONY | CDPC5F | Cables | I need the 7 conductor cable that connects cnp504 and the 4conductor cable that connects cnp505. if the cables are not available,can you supply the part number of soft flexible ribbon cable. i.e.neoprene insulator? thank you. -hq comments: these cabl | ||
| SONY | KV1923 | Intermittent tuning operation | The unit would intermittently not tune or accept tuningcommands. all the control ics of course were changed. the problem wascaused by a very intermittent l035 coil. it would increase resistance toabout 1000Ω. replacement resolved the problem. -h | ||
| SONY | CPD1201 | Miswired board | Picture took too long to come up. |