Sony Repair Tips
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Results: 20100
Results: 20100
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SONY |
CFS45
|
Replacement part is smaller | Replaced tape transport with x-3570-050-1. found motor switchnot being activated due to arm on brake lever being too short to reachswitch. transport p/n x-3570-050-4 has correct length arm. | ||
| SONY |
CDP701ES
|
Dead unit | The dead unit had ic108, ic109, ic110, ic801 - shorted.ic108 was physically melted, with a hole in the chip. we can duplicatethe problem by shooting c218, c214, c138 to ground for a fraction ofa second. | ||
| SONY |
CDP101
|
Fusible resistors r390 and r391 | Door opens slow. r390 and r391 was charred and ic304 wasreplaced as precaution. | ||
| SONY |
CDP101
|
Defective crystal | 1) disc motor would run at power on. 2) no loading orchucking operation. 3) sometimes pause and play, leds would light.4) sometimes drawer would open partly. | ||
| SONY |
XR85
|
Loading drive belt stretches | Loading drive belt stretches and belt will slip. when thebelt slips the cassette will not load. | ||
| SONY |
XR85
|
Incorrect part number in manual | A tech. ordered a volume control (r/n 502 in the s/m) by theparts number 1-228-735-00 but he received the part 503, instead. | ||
| SONY |
WM10
|
Cold solder joint on flexible board | Unit stopped rewinding or fast forwarding several secondafter pressing rew or ff button. found cold solder on the flexible boardbetween s901 and r634 as indicated in the diagram. | ||
| SONY |
TCK88B
|
Unit out of adjustment | Dealer complained of gross wow and flutter. verified problem,measured 0.6% jis weighted. | ||
| SONY |
TCK88B
|
Loose wire between servo board and syscon board | Counter was intermittently not advancing. determined thatic602 derives count from supply reel revolutions using output of q536 andq535 on servo board. | ||
| SONY |
TCFX77
|
Missing part # in manual | There is no p/n for the capacitor c134, 234 (56pf/500v),which are connected to the r/p head, in the service manual. | ||
| SONY |
TCFX44
|
Defective relay | Erratic system control operation. when record button isdepressed, unit will intermittently enter rewind mode after 2-3 sec(record deactivates). results from high resistance of relay contacts. | ||
| SONY |
SPP11
|
Service manual instructions | P31. lacking a linear detector, i adjust rv2 to energizebase relay. | ||
| SONY |
SPP11
|
Service manual instructions | P10 of service manual instructs tech. to turn rv6 ccw forfreq. adjustment. it is my belief that it should read rv5, instead. | ||
| SONY |
PSX800
|
Glue on s/n 800439 | Intermittent cue up/down malfunction. symptom was no dampingaction. checking output of vert. mfb det coil with scope showed inter-mittent no signal or noisy erratic signal. tan glue on the solderpads of the coil's pcb in the bearing assy caused proble | ||
| SONY |
PSX800
|
Open lead in s/n 802218 | Intermittent cue up/down malfunction. symptom was no dampingaction. checking output of vert. mfb det coil with scope showed inter-mittent no signal. an open lead, confirmed withΩmeter was the cause. | ||
| SONY |
KV1222R
|
Bright picture with retrace lines | Set would come on ok when very cold. then after abouta minute, pix would get very bright and have retrace lines. | ||
| SONY |
STRAV880
|
No power - unit dead | Unit had no power - completely dead. | ||
| SONY |
D7
|
Insufficient line muting | Insufficient line muting. when pushed, line output wasreduced by better than 40db but not totally muted. signal level slowlydropped off from this point and finally muted completely after severalseconds. the effect was not noticeable on headphone outpu | ||
| SONY |
KX2501
|
Dead, connector shorted,also replaced q652, q651, and q653 | Set came in dead. found connector shorted and q653 and q651reading 40Ω between base and emitter (forward and reverse the same). | ||
| SONY |
RM708
|
No commander operation | This remote commander produced no infrared output. thetransmit indicator did light. |