Sony Repair Tips
Search: sony
Results: 20075
Results: 20075
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
ITD250
|
Missing part number for bz1 and bz2 | There are no part numbers for bz-1 and bz-2 in the servicemanual. -hq comments: the 2 buzzers bz1 and bz2 are not available as separateitems. however they are part of the lower cabinet assembly.therefore, if you need to replace bz1 or bz2, you will have | ||
| SONY |
KV5300
|
Handle brackets | Bracket which holds the handle is not shown or listed in theservice manual. please let us know the part number. -hq comments: part number for the bracket is 4-361-411-01. | ||
| SONY |
CCDTR5
|
Intermittent poor picture quality - noise in picture | Replace q-107 in head assembly circuit. -hq comments: thanks for the information. q107 is the channel 1a recordswitch. | ||
| SONY |
CCDTR6
|
Will not load, eject or play | No cap. vs from dd-31 board. | ||
| SONY |
EVS550
|
No operation | No functions - display and leds flash. | ||
| SONY |
KV32XBR50
|
No picture, only character display, check the ik line | Sometimes at turn on the screen was black but would show theon screen display. turning up g-2 revealed a barely visible rasterexhibiting extreme pincushion distortion. also, three retrace lines at thetop of screen caused by improper data buss activity. | ||
| SONY |
CDP291
|
Intermittent static in audio | Intermittent static in audio (especially in high frequency). | ||
| SONY |
KV2791R
|
Shut down, replace r-507 | When the brightness and picture controls are high, pin 6 ofic-301 would drop to 2v, then the set would shut down. | ||
| SONY |
DTC300ES
|
No display | Minus 24 volt power supply fails. gary in costa mesa showedme one that had all three components defective. -24 volts is lost whenq-908 and q-907 short, this i think causes c-915 to open. gary says thisis the second unit he has had with this problem. | ||
| SONY |
KV27XBR15
|
Dead, replaced q-503 and repaired cold solder joints | Unit was dead, found shorted h output transistor andcold solder joints on h. drive transformer. | ||
| SONY |
KV20EXR10
|
Low brightness, resoldered r-741 ("c" board) | Very low brightness. looks like color only. rgb pulses arevery low. r-741 leads were not penetrating completely through the boardcausing misoperation of q-711 thus sending a wrong ik pulse to pin 25 ofic-301. | ||
| SONY |
STRD2020
|
No left channel audio | No left channel audio. traced audio back to ic-307 still didnot have audio. went to ic-301 pins 2 and 27 had audio. thought ic-301or ic-307 had to be bad because the digital path was still sending rightchannel audio throughout digital 1 pcb until it b | ||
| SONY |
KV32HSR10
|
Shuts down, "f" board q-651 e-b open | Shut down. found b+ 135v running between 136 and 142vdc. iknew either the load was open or our b+ was not regulating. removed the fboard from the tv and jumped ry-601. i used a 60 watt lightbulb as my loadon the +135 volt line. using the variac while mo | ||
| SONY |
CDPC201
|
New spindle motors are bent | Vertical jitter on rf waveform (eye pattern) after spindlemotor replacement. this is caused by a bent spindle shaft. there is nopacking material to protect the spindle shaft. out of the last ten motorsreplaced, 6 were noticeably bent but could be used | ||
| SONY |
KV27TW71
|
Dead, replaced c-550 | Set was dead. inspection of waveforms at base of q-550, hori-zontal drive transistor was about 1vpp. service manual shows 4vpp. | ||
| SONY |
CDP391
|
Static in output audio | After warm up, static in the right channel was heard. | ||
| SONY |
KV27EXR10
|
No color - channel 3, replace comb filter cm-1301 | Unit had no color channel 3 only. all other channels ok.voltage at pin 6 is approximately 4vdc. disconnected r-445 and insert dcand color would appear, however, color on other channels is bleeding. | ||
| SONY |
KPR46DX10
|
Unit inoperable, replaced high voltage block. | Set would click but nothing else. found q-1 shorted.after replacing q-1, everthing worked normally for 15 minutes. then, q-1shorted again. disconnected inputs to high voltage block and transistordid not short. | ||
| SONY |
GV300
|
Missing curtain causing horseshoe shaped light in lcd dsply | The unit was brought to an independent shop for a missing pix-el problem. the shop changed the lcd display. the customer then noticeda horseshoe shaped light in the lcd display. the shop changed second lcdthe problem is the same. | ||
| SONY |
KV20TS20
|
Intermittent picture distortion, open c-501 | Intermittent picture distortion - christmas tree effect. |