TV Repair: Common Faults and Solutions.
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Results: 87441
Results: 87441
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | KV2647RX | Contrast fulctuates ratically on channel 5 only, ic-302 | Contrast fluctuates ratically on channel 5 only. | ||
| SONY | KP5000 | Tuner will not lock in on any channel, replaced c208 | Tuner would not lock in on any channel. forced tuner intolocking up on a station and picture had very weak video information.drive ic-2202 pin 4 (aft detect) pin, had 12v dc, and pins 1, 2, 3 had6vdc each on them. | ||
| SONY | TAM50 | Ogm is erased when unit is unplugged | When unit is unplugged, the ogm is erased. transistor q-206was not being turned on to pass the battery voltage onto the micro ic-3to keep it energized. | ||
| SONY | SLV757UC | Clock gains two secons per day | Clock gains two seconds per day or one minute per month.customer finds this unsatisfactory. is this within specs, or is there aproblem? -hq comments: no, there is not a problem with the clock. this iswithin specifications. this works out at a clock a | ||
| SONY | STRAV1010 | Hi-fi service bulletin no. 118 needs clarification | Hi-fi service bulletin no. 118 needs clarification. themeasurement conditions need to be more clearly defined. we do need ameans of checking relative surround sound levels. -hq comments: the signal to be fed into the cd input would come from anaudio s | ||
| SONY | STRAV910 | Hi-fi service bulletin 118 needs clarification | Hi-fi service bulletin no. 118 needs clarification. themeasurement conditions need to be more clearly defined. we do need ameans of checking relative surround sound levels. -hq comments: the signal to be fed into the cd input would come from anaudio s | ||
| SONY | STRAV910 | Missing part number for escutcheon assembly | The str-av910/av1010 service manual identifies the front panelassembly and escutcheon assembly only for the av1010. the computer liststhe av910 front panel as x-4906-822-1. we still need the part number forthe av910 escutcheon assembly, ref. no. 7 on p | ||
| SONY | SPP80 | Intermittent audio transmit from portable to base | Intermittently will transmit audio from handset to base.rf waveform is present at handset's transmitter. audio through ic-501 wasintermittent - very hard to troubleshoot. | ||
| SONY | KPR46CX10 | No power, replaced q-1 | Found q-1 shorted which killed the switching supply. -hq comments: q-1 (2sd1548) is the h.v. output transistor located on thepc board. | ||
| SONY | STRAV310 | No power - t901 | Unit is dead. found open primary on power transformer t-901.will send sample. | ||
| SONY | KV27TX40 | Squeal, replaced yoke, see sb tvp0114 | Replaced singing yoke. -hq comments: please replace the yoke with the new one as statedin sb 114. p/n 1-451-275-41. | ||
| SONY | KV27XBR15 | Singing yoke, replaced yoke using p/n 1-451-275-41 | Replaced singing yoke. -hq comments: please order revised yoke part number 1-451-275-41as per tvp service bulletin 114. | ||
| SONY | KV27TS30 | High pitch sound from yoke, replaced yoke see sb 0114 | Replace singing yoke. -hq comments: new dy is available from kansas city parts.see service bulletin tvp-0114. the p/n is 1-451-275-41. | ||
| SONY | KV27TW70 | High pitch sound from yoke, replaced yoke see sb 114 | Replaced singing yoke. -hq comments: replace yoke with new type p/n 1-451-275-41 as perservice bulletin 114. | ||
| SONY | CFSW510 | No am or fm - c205 | Unit came in with no am, fm or display. tape section workedfine. i noticed ic-201 (dc to dc conv.) had the proper input voltage onpins 2, 3, 4 but output on 6, 7, 8 were 0v. when i unsoldered pin 7,unit's output voltages came up. | ||
| SONY | KV32XBR10 | Ic-51 part number change, 8-741-100-62 | Service manual lists ic-51 rc sensor as being bx-1393, partnumber 8-749-900-36. actually, the servicer is finding a different ic inthe set and he needs its part number. -hq comments: there has been a production change. the new improved chipis: sbx1618 | ||
| SONY | CCDF33 | Part number for autofocus motor and iris motor | Servicer called and requested availability and part number forautofocus motor. part number and reference is not listed in servicemanual. is this part going to be available separately? -hq comments: the part number of the focus motor is 3-707-561-01. | ||
| SONY | SLV272UC | J-6082-050-a mode box adapter | Servicer has purchased this mode box from sanyo for use onp-88 chassis. servicer would like to purchase vhj0050/70 adapter fromsony. can we get this adapter separately? please advise and supply partnumber if it will be available. -to tokyo: can you p | ||
| SONY | CCDTR5 | No color on recording | Shows color and other video information in video out but no color recorded on tape. vectorscope shows circle and waveform monitor is missing the color burst. | ||
| SONY | WMF2081 | Availability of lcd assy which includes flex cable | The lcd display (ref#e701), and it's connector (ref# 904) areavailable as separate items. however, there is no way to connect the lcdto it's connector manually. -hq comments: tokyo fax (#a900509): the synthesizer pcb, which includesthe flex cable and t |