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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY CDPC5F
Same service manual These three models have the same service manual: cdp-c5f, c5sand c57. there are differences in the electronics. do you have anythingthat shows the differences? -hq comments: all of the differences are shown on the pcb layouts onpages 17 to 20. the di
SONY CDP21
Rf pll adjustment procedure steps 1 and 2 are incorrect Rf pll adjustment procedure steps 1 and 2 are incorrectlystated.
SONY CFS212
Tape sticks and will not eject Tape shell is catching on head and pinch roller upon eject.as best i can tell, the head plate is fully retracting, although stickingis sometimes noticed. either way, tape gets stuck. please advise.several units all have same problem. also s/n 21155.
SONY CFS920
Missing moisture seal around cassette door and battery door A dealer complained that the new shipment of cfs-920s weremissing the (o) ring gaskets on the cassette door and battery door. thedealer showed me an earlier s/n (31888) with the seals installed. hasthere been a change in this model? these serial numbe
SONY WMF80
Part number for flex connector I have been faxed a s/b no. 230 which gives a p/n for cn302.but, as i have described before, i require the p/n for the flex connectorbetween the eq unit and the main pcb. these connectors keep tearing dueto their faulty design. it is very expensive to
SONY STRAV760
Memory loss if main power switch turned off Unit would lose memory if main power switch was turned off.we found no dc voltage to pin 32 ic-207 at this time. it appears that asolder jumper has been left off during production. this jumper connectsthe battery to r-288, thereby, supply power to ic-2
SONY TCW233
Rec mute activated continuously Rec mute would not release in record mode. i found that q305emitter input was from a line regulated by d506, and the base input indir-ectly from a line regulated by d505.
SONY SLHF1000
Need part number for pwr regulator holder (pg. 216) Need mechanical piece that reference number 162 attaches to(pg. 216 of service manual). -hq comments: part number is 3-712-738-01, but is an unstocked part.tokyo is shipping some pieces, and i will send you one at that time.
SONY SLHFR70
Shuts down Unit will shut down in special effects and sometimes in play(intermittent). pinch roller will spill tape because the reel assemblywill not turn. i have come across 5 machines with this problem in thelast six months. the rotor becomes warped.
SONY CCDV5
Intermittent shutdown Intermittent shutdown and at times no start. found output ofsupply reel sensor varying in amplitude. cause - supply reel sensor wasnot fastened to chassis and was too close to reel - not allowing receivediode to sense proper light. varying amplitude w
SONY KV2080R
Shutdown, open r507 When the unit was first turned on, unit would shutdown.
SONY WMF100
Grounding of radio connection board Unit works only when cassette door is opened. shuts down whenclosed. radio connection board has trace worn and exposed causing it toground in the act of opening and closing cassette lid.
SONY STRVX550
Relay chatter Units power relay would chatter for some time and then wouldfunction properly. problem may not show again for a few days.
SONY CCDV9
No auto focus No auto focus. manual focus slow and hunts.
SONY CDXR88
No tuner operation No am or fm. (no scan stop. manual tune gives no backgroundstatic, or audio at all). found no output from q17 its base was 0.57vdc.
SONY CCDM8SP
Vf jack part number No p/n listed in manual. -hq comments: p/n is 1-562-183-00.
SONY KV2092R
Bottom half of picture distorted, c1504 Top half of pix was fine, bottom half was stretched and dis-torted. scopes of pin 3 or 6 of ic1501 shows rf riding on b+. foundc1504 had changed value - replaced problem cured.
SONY FD42A
No pix, replaced q802, d802, ic601 and q602 1. no picture. 2. no high voltage. 3. bad keystone.1. weak drive signal on q801 base.2. open q802.3. no drive of pin 5 (ic601) open q602.
SONY CDP701ES
High frequency whistle in one channel High freq. whistle in one channel. found cold solder joint onlpf ground tab. this problem could occur on lpf401 effecting other side.
SONY CDP203
Wrong part The part number for the main board is incorrect.