Sony Repair Tips
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Results: 20073
Results: 20073
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
TAAX335
|
Speaker protection engages at approx. mid volume level | The speaker protection engages at about mid volume level. wefound the problem to be caused by excessive voltage on the output ic. theb+ at pin 14 measured 48v and b- at pin 12 was -47. the voltage on thesecondary to be 71vac. by reducing the input ac | ||
| SONY |
CFS9000
|
Excessive volume at low settings - av power only | With ac power there is excessive volume on low settings.battery operation ok. problem was excessive voltage on the 13.6v line.this line powers the output ic and when using ac power reads 39v. checkedthe transformer output and found the red secondary le | ||
| SONY |
SPP100
|
Phone intermittently loses power | Unit intermittently loses power during talk mode. unit locksonto line and will not hang up till power is removed. problem appears tobe bad contact on battery in hand unit due to weak battery springs. | ||
| SONY |
AG500
|
Compatibility with current betamax models | Are there any current betamax units which are compatible with ag-500? -hq comments no, only the sl-2700, -2710 and -2410 are compatible. | ||
| SONY |
XR550R
|
Won't tune upper half of fm band | Won't tune in upper half of fm stations. 87.9 to 97.9 mhzrange - all normal. stations above 97.9 are found to be 0.2mhz lower thanthe station frequency. | ||
| SONY |
SL8600
|
Need guide located in cassette lift ass'y | Refer to page 8-2 of service manual. please inform p/n forguide located below the right side of holder ass'y, cassette. -hq comments: p/n is 3-655-232-00. kcp shows no stock but will orderfrom tokyo after receiving your order. | ||
| SONY |
KV25XBR
|
Shut down | Unit would shut down upon turn on. brought up set with lowvoltage, found shut down being activated at horizontal osc. found r1531was not a resistor but a capacitor. this set never worked. capacitorwas installed at the factory by mistake. | ||
| SONY |
SSU780
|
Part numbers interchanged | Part numbers interchanged. incorrect correct1-503-597-11 1-503-598-11 tweeter1-503-598-11 1-503-597-11 mid-range -hq comments: a service bulletin has been issued. | ||
| SONY |
KV20XBR
|
Rgb/video led | This report is to be added to the one sent in on 5/1/87.i failed to note that the problem of the rgb/video led's being lit wascaused by c121 related to the manual on/off function. when c121 wasreplaced, the rgb/video led's were still lit. | ||
| SONY |
SSM910
|
No video | No video on screen. | ||
| SONY |
KV25DXR
|
Locked in with service ready read out | Set was locked in with service ready read out on screen.operation of service switch made no difference. voltage and waveformanalysis did not help to isolate the problem to a particular component.i suspected the memory chip might be the cause so i replac | ||
| SONY |
CCDV8AFU
|
No chroma | In camera mode - no chroma in video out, but luminance ok. | ||
| SONY |
KV2781R
|
No pincushion, replace r-536 on "d" board | Picture bowed in at sides (pincushioning). | ||
| SONY |
SLHFR30
|
No drum lock in betascan | Pb and rec ok, but no drum lock in betascan. excessiveripple on 12v regulated dc line. | ||
| SONY |
KV1961
|
Intermittent brightness fluctuations, leakky c307 | Intermittent brightness fluctuations. pin 4 of ic301 read1.5v instead of 5.5v as shown in manual. | ||
| SONY |
SLHF500
|
Drum ass'y parts change | Original p/n is subbed to a-6050-340-a. connector has roundholes and will not fit into cn1 on the rp-16 board. -hq comments: kcp checked stock and found a few incorrect parts in bin.incorrect type is a-6050-139-a (dsh-21ar, round hole connector). corr | ||
| SONY |
CCDV110
|
Viewfinder charactors | Viewfinder will only tell date, time, main and sub titles.everything functions properly. just missing charactor information. | ||
| SONY |
D3
|
Intermittent skipping on beginning of disc | According to servicer, unit intermittently skips. alladjustments checked ok. -hq comments: usually, skipping at the beginning or end of the discindicates poor mechanical alignment of the sled drive mechanism. checkcarefully for binding. | ||
| SONY |
KV2780R
|
Intermittent high pitched squealing, glue coils on yoke | Intermittent high pitched squealing. | ||
| SONY |
XR510R
|
Control functions do not operate correctly | Prior to replacing ic701 there was: very intermittent autoseek, no manual scan, no display change from radio to time, no direct add-ress of presets, no memory preset, no memory scan and no band change. nowthere is no automatic or manual tuner functions. |