☰

Sony Repair Tips




AIWA
BEKO
CCE
CINERAL
DAEWOO
FUNAI
GRADIENTE
GRUNDIG
HITACHI
ITT
JVC
LG
MITSUBISHI
PANASONIC
PHILCO
PHILIPS
PIONEER
RCA
SAMSUNG
SANYO
SHARP
SONY
THOMSON
TOSHIBA
VESTEL


Search: sony
Results: 20077
Make Model Symptom Problem Solution By
SONY SPPER1
Part number for rf unit reversed for base and h.s. Service manual shows incorrect part numbers for base and and hand set rf block assy. they have been reversed in the manual. correct part nos. should be: 1-467-471-11 rf unit (base) 1-467-470-11 rf unit (handset
SONY SPPD15
Line l1/l2 jack replacement Unit received with complaint of no line 2 on jack l1/l2. this unit has been refurbished and wrong jack (2pin) was installed. ordered part and received same jack - (2 connectors only). the other jack (-11) is not in stock, cannot verify if par
SONY SPPA40
Memory button sticks The memory record button sticks in the activated position withsubsequent lock up of the unit. as an alternate and more effective fix tothe sponge, mentioned in service bulletin tel0111, i have found trimmingthe shoulder of the button itself prevents it f
SONY SPP73
No channel change - replace ic4, p/n 8-759-264-14 Unit would ring and talk but would not stay locked whenchanging channels. found base transmit and receive freq. not changingwith handset. found ic4 to be bad.
SONY SPP73
Distorted audio - replace q14(872921202) & d12(871999563) Unit would talk but audio was distorted. put unit into testmode and found base to be causing problem. while checking unit, found dcvoltage levels to be low. check reg q14 emitter and it measured only2.5v. q14 and d12 were bad.
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.