TV Repair: Common Faults and Solutions.
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Results: 87418
Results: 87418
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | BMC550 | Incorrect p/n page 148 | Typo in manual, page 148. -hq comments: correct p/n sk-3 board (complete) a-7060-078-a ds-10 board (complete) a-7060-098-a ds-10 board part number is correct on page 175 in the s/m. | ||
| SONY | KV2602 | Only tunes low channels, replaced non sony q008 | Vc voltage at tuner would only go up to 10vdc. | ||
| SONY | TCFX505R | Controller chips difference | When ordering ic501 and ic505, tc #9310n-032 (8-759-201-86)and tc #9310n-033 are sent instead of -021 and -022. the serial # showsthe unit falling into the former type but icalso fiche crosses to the new numbers. are the two compatible? -hq comments: | ||
| SONY | KV2680R | Audio exists at vol zero, replace ic-1107 | When the audio level is turned all the way down, you can still hear audio. | ||
| SONY | BMC550 | Replacement numbers for cr2025 battery | Since we do not have sample cr2025 battery, can you advise theduracell or eveready replacement numbers? -hq comments: the numbers are as follows: sanyo cr2025 duracell dl2025 | ||
| SONY | KV1515 | No high voltage | No high voltage, +115v up to +142v. half of the dialindicators light at the same time. sometimes the tv would work normal. | ||
| SONY | KP5040 | Cable interference, soldered tuner, prescaler and ant sw | Fine diagonal lines on ch. 4 spaced about one inch apart. | ||
| SONY | ICF200W | Ref #503 and 504 reversed | Ref. # 503 and 504 reversed. should be + board a p/n 1-605-271-00 - board b p/n 1-605-270-00 -hq comments: we will issue a t/n and s/b. | ||
| SONY | TAAX44 | Missing p/n | Page 27 of the service manual, location 2-a. per kc, thepart number should be x-4882-013-1. this part number is not given in theservice manual. -hq comments: the part number is correct. will issue a t/n and s/b. | ||
| SONY | TAAX44 | Missing part number | No part number in service manual nor in semiconductor book.you issued hifi bulletin #166 (july, 1983). -hq comments: the part number is 8-759-100-43 as in the hifi bulletin#164 issued in march 1983. the mpu w/-200 has been changed to -213. | ||
| SONY | XM100 | No audio output | No sound. found power amp transistors q411 in left channeland q512 in right channel shorted e to c. after replacing transistorsstill had no audio out. further checks showed +3v on both e and c of q302(remote switch). found r305, 100 kΩ res. open. | ||
| SONY | KV1922 | Crescent moon effect | When set was first turned on, you have a full picture. witha crescent effect on the left side of the picture, it was about 12 incheshigh. after approx. 1 min., this dark area would fade and then thepicture went into a christmas tree effect with about 4 | ||
| SONY | M400B | Intermittent tape speed | The tape speed would intermittently go way too fast in play,and fast forward and rewind. pressing on the case behind the speakerwould cause problem to come and go. found the leads of q2 bent in such away that they would contact the chassis, thereby shu | ||
| SONY | SL2405 | Picture unstable | Picture breathes with no complete loss of either drum speedor phase. | ||
| SONY | STRAV460 | Part # is in error | Part # listed in service manual on page 56 is in error.should be 8-749-940-36. at the present time kc npc is not substitutingcorrect p/n and servicer is being told that this is an invalid part #. -hq comments: the p/n in s/m is incorrect as you pointed | ||
| SONY | CCDV8 | P/n for rfu80uc | Customer bought unit in japan. needs rf unit for usa. part #is not in the service manual. -hq comments: this accessory may be ordered under the model #(rf-80uc). | ||
| SONY | SL5000 | Wrong part number in s/m (ss-9 bd/c008) | Wrong part number in sl-5000 manual. | ||
| SONY | SLHF500 | Noise in l-ch when playback edited portion | Loud pop noise when playback edited portion of self-recordedtape in l-ch of beta hi-fi output only. | ||
| SONY | CDX5 | Destroying disc | When loading and unloading a disc, the cdx-5 is putting amark on the disc. the marks appear only on the outer 3/8 of the disc.the marks are at a slight angle sometimes 3 or 4 at every loading. thesemarks are not scratches but are cloudy 1/16 wide 1/4 l | ||
| SONY | KV2670R | Distorted sound, t-202 with cracked slug | This unit had very distorted sound. we found t202 to have acracked slug. |