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Sony Repair Tips




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Search: sony
Results: 20092
Make Model Symptom Problem Solution By
SONY SPP73
No power base - replace q14, p/n 8-729-212-02 Applied power to unit, and power led did not light. checkedregulator quality, and found q14 to be open.
SONY SPP72
Int grabs tel line when idle - replace rl1, p/n 1-515-693-11 Unit would intermittently grab tel line when idle. foundrelay to be intermittent.
SONY SPP72
No ring/talk - replace x501, p/n 1-760-313-11 Handset would not transmit or receive. checked pll ic 503 andx501, found x501 not vibrating at 10.24 mhz.
SONY SPP72
No audio handset - replace sp801, p/n 1-504-563-11 Unit had no audio handset speaker. audio signal to speakerwas ok. Ωed sp801 found to be open.
SONY SPP72
Low audio handset speaker - adjust vr501 Low audio out of handset speaker. found vr501 was notproperly adjusted.
SONY SPP57
No audio handset speaker - replace c624, p/n 1-124-126-00 Unit had no audio out of handset speaker. traced audio pathand found c624 to be open, this same cap is occasionally found coldsoldered, causing the same problem.
SONY SPP57
No talk - replace r37, p/n 1-216-065-00 Unit would not talk. after checking transmit and receive onboth base and hanset, i found the base not to be transmitting or receivingon channel b. ic5/pin 23 was not going high when on channel b.found r37 to be open.
SONY SPP300
Unit in 20 t pulse only - resolder s502 in base Unit will not switch to 10t or tone dial modes, switch good.
SONY SPP190
Ic612 is incorrect, see also fpr po784 The part in the unit is a surface mount component, the partsupplied has leads. the physical fit is incorrect. can you supply thepart number? -hq comments: part # 8-759-946-05 is the surface mount ic.
SONY ITD250
Short battery life Customer complained of short battery life. this appeared to becaused by drain from the line 2 led being on all the time. switch 202controls this condition. the customer was counseled.
SONY ITD200
Low speaker phone - replace sp1, p/n 1-544-480-11 Low audio coming out of sp1. i found out that speaker made inmalaysia has low audio output.
SONY ITA850
Won't record ogm - replace ic203, p/n 8-759-320-43 Unit wouldn't record ogm or record on the icm side when justpressing record.
SONY ITA3000
Defective recc/playback, remote and ram test- change ic802 Fail at ram test. cuts off record playback at remote in icm.i found ic802 and ic805 chips not reseated properly to the solder padand some pins are cold soldered.
SONY ITA2500
No on hook activation - clean rubber key switch, ref # 26 When the on hook button was pressed, the unit was not going onhook.
SONY ITA2500
Distorted on hook dial - replace speaker sp501(1-504-263-11) When using on hook dial, dial tone was distorted.
SONY ITA2500
Distorted ogm - replace mic 501, p/n 1-542-161-21 Outgoing message sounds distorted when played back. foundmic 501 to be defective. after replacing mic 501 outgoing message was ok.
SONY ITA2500
Defective shuttle - remove shuttle button and clean it Shuttle button was sticking, not allowing for properoperation of unit.
SONY ITA2500
Defective display - replace display lcd401, p/n 1-810-073-11 The display on the unit was defective, in a way in which itcould not be read.
SONY ITA2500
Test mode failure - defective keyboard, resolder cn101 Unit would go into test mode, but would not perform specifictest functions because of alphanumerical key pad failure. closeinspection of the board revealed cn101 was poorly soldered.
SONY ITA2500
Non gmo - resolder r840 While recording ogm, traced mic audio path. found r840 coldsoldered.