Sony Repair Tips
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Results: 20072
Results: 20072
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
SRF5
|
Intermittent audio - how to service | When the plastic interconnecting strip is removed, you cannothear audio (because the audio-tuner parts are separated). what is therecommended troubleshooting procedure? -hq comments: 1) complete b+ and ground connections for the tuner asoutlined on pag | ||
| SONY |
SPP11
|
No voice signal through the handset speaker | The hand unit and the base unit communicate with each otheras indicated by an operational key pad and dial tone, but there was novoice through the speaker. found c53 (0.047uf) was shorted inside.replaced it. | ||
| SONY |
PSX55
|
Part number - det sw contact slider | A servicer tried to order the contact slider. since the partnumber is not listed in the service manual, he thought it is included inthe cam control (#4-869-957-00) and he ordered it. but the contact sliderdid not come with it. | ||
| SONY |
PSLX55
|
Erratic movement of tone arm | The tonearm on this unit would cue into the record at afaster pace than it would cue in the outward direction. glue on the pcboard has erroded and was responsible for changing the dc level on pin 1of ic202. a resultant -2.5 vdc was present at ic202's o | ||
| SONY |
XR50
|
Cassette ejected soon after loaded | Cassette ejected soon after loading. the dm-101a(p/n 8-745-101-01) dme had failed along with q602 (voltage reg) and d602(voltage ref). -hq comments: the output of my sample dme is a sine wave of 0.1vaccontaining a 3.6vdc component. its output is a pro | ||
| SONY |
TC48
|
Part number for gear (c) | I need p/n for gear (c) on page 14 of service manual. -hq comments: gear c shown in the exploded view is part of the flywheelassembly. it is press fitted onto its shaft, and cemented. recently,however, this gear has been made available as p/n 3-550-02 | ||
| SONY |
STRVX550
|
Music stops and noise occurs | Unit would play on fm and intermittently go to noise. displaywould remain unchanged and tune light stayed lit. i found taping on powersupply caused problem to come and go. found the ground connection to bethe problem on that main board. put in a star | ||
| SONY |
PSX800
|
Incorrect part number - d606 | Incorrect p/n listed for 20v zener d606 on page 54 ofmanual. p/n listed 8-719-990-03 should be 8-719-910-03. | ||
| SONY |
PSLX5
|
Incorrect set - down point | When a 12 record is placed on turntable, tonearm goes to7 position. replaced q209 with new type transistor 2sa1027r, as pers/b #155. this transistor insures pull in of the size solenoid. | ||
| SONY |
PSLX1
|
Part number - cartridge wires | The technician could not find the parts numbers of thecartridge wires. -hq comments: although the parts numbers are listed in the s/m(#512 1-555-828-00 white #513 1-555-829-00 red), they are notindicated in the exploded diagram on p17. | ||
| SONY |
CF420
|
Mechanism shuts off | The mechanism shuts off in any mode before tape ends. forsome reason, the shut-off safety plate did not engage the brake lever.put it back on the brake lever. | ||
| SONY |
CDP101
|
Part number - lpf | Ordered lpf-f501/f502 (p/n 1-464-273-00) and received lpfboard for betamax (or perhaps tv) with antenna terminals. -hq comments: this part number from the service manual supplement isvalid for late production cdp-101s. kcp stock is being investigated a | ||
| SONY |
XR65
|
Open trace | Foil open on volume control board. this foil appears to haveburned open. | ||
| SONY |
XR50
|
Solenoid drive transistor | Cass. will manually eject, but not automatically at end oftape play. | ||
| SONY |
XR45
|
Voltage errors in manual | Many voltages in the power supply seem to be in error andneed clarification. voltage difference exists on the same foil conductor. -hq comments: a list is provided below of the key voltages: please makea note of these voltages in your xr-45 s/m also.q | ||
| SONY |
WMF10
|
Motor noise | Servicer has had several complaints of motor noise throughhead phones. this problem does not show up on wm-10 but only on wm-f10. -hq comments: electrical motor noise occurs when the b+ line is furthertaxed by: 1) loaded motor 2) decayed battery 3) l | ||
| SONY |
WMF1
|
Open rv-1 | When receiving stereo fm signals the sound was distorted.we found rv-1 to be open - vco adjust. | ||
| SONY |
WM10
|
Loose spring | Small hair spring that sets in plastic groove of auto shutoff part of pinch roller comes out of groove and unit will not start toplay auto shut off taken over. | ||
| SONY |
TCK555
|
Defective ic202 | Unit would go into rec mode, however reel tables would notturn and it would eat tapes. found that b+ (10v) to board was low.isolated problem to shorted ic202. | ||
| SONY |
TCFX44
|
Defective ry301 | This unit would play back fine. however when recording therewere intermittent passages with motorboating. we found ry301 (whichswitches the head between pb and rec) to be defective. this caused a poorground connection on the head. |