Dicas Reparação




Modelo - Chassis


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(Chassis)
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SonyCCDV101
P/N NOT IN S/M - FP262 CONNECTS FD-15, VC-67 AND FC-28 BOARD Part number for above is not shown in the service manual.When part is bad, some technicians change the circuit board, not beingaware that this is available separately.
SonyCDX7580
UNIT HAS NO AUDIO OUT FOR AM OR FM Unit has no audio out for AM or FM, has no seek tuning, alsoin FM stereo, indicator is on all the time.
SonyCDX7560
UNIT HAS NO AUDIO OUT FOR AM OR FM Unit has no audio out for AM or FM, has no seek tuning, alsoin FM stereo, indicator is on all the time.
SonyCDX7540
UNIT HAS NO AUDIO OUT FOR AM OR FM Unit has no audio out for AM or FM, has no seek tuning, alsoin FM stereo, indicator is on all the time.
SonyCDX7520
UNIT HAS NO AUDIO OUT FOR AM OR FM Unit has no audio out for AM or FM, has no seek tuning, alsoin FM stereo, indicator is on all the time.
SonyCDX7580
DISK NOT PLAYING (NO LASER LIGHT) Disk would spin but wouldn't pick up. Found that optic wasdoing focus search but no laser light. IC-1 pin No. 17 had it's 3.7V butcollector had nothing. Found base to colector open on Q-4.
SonyCDX6020
DISK WON'T PLAY (SLED CONTINUOUSLY DRIVES TO OUTER POSITION) When disk was loaded, the optical block would track all theway out to it's outer most point. Found SW-631 to be closed at all times.
SonyCDX6020
WON'T ACCEPT CD Unit won't load CD. First went to IC-1 (mechanism control)pin 33 put disk in, in other words opened up SW-622, and pin had 3.5V,should have had 5V. I then pulled pin 33 and opened up SW-622 and had 5V.Therefore, IC-403 was loading IC-1's pin 33 voltage
SonyTAM50
UNIT WILL NOT RECORD Phone line on unit stays open causing all lines to be busy.
SonyKPR46EX25
UNIT INOPERABLE, SEE FPR # M1097 Set is new and out of box. Failed at turn on. Replace tran-sistors and they are immediately damaged.
SonyCCDF77
TAPE PATH ALIGNMENT Tape path entrance and exit out of alignment.
SonyCCDTR6
CORRECT PART NUMBER OF D-953 ON THE VF41 BOARD The part number (8-719-400-26) listed on page 225 of theCCD-TR6 service manual is incorrect.
SonyCDXR79
INCORRECT PART NUMBER - L403 The part number listed in the S/M does not come up as valid inthe KCP parts system. What is the correct P/N? -HQ COMMENTS: Tokyo Fax TX-USA91086. Correct P/N for this inductor is1-410-524-41. Refer to Car (CSA-14) Service Bulletin No. 204.
SonyKV32XBR10
SHUT DOWN, REPLACED R-608 ("F" BOARD) Unit would go into shutdown immediately at power on. Foundthat Q-603 was turning on causing the unit to go into B+ Over VoltageProtection. The B+ was only a slight bit high. The emitter of Q-603measured approximately 1 volt higher than the base.
SonyDTC700
INTERMITTENT REWIND AND FAST FORWARD Customer complained of intermittent Rewind and Fast Forward.I tried another tape and found no problem. I tried two additional tapesand unit worked ok. With this defective tape, the FF is slightly betterthan Rewind. It will also stop intermittently in


Assistência TécnicaAs dicas apresentadas destinam-se a técnicos de eletrónica, a tentativa de reparação ou assistência sem ter conhecimentos de eletricidade e eletrónica, podem provocar danos mais graves aos equipamentos e, devido a tensões muito elevadas em alguns circuitos, graves danos fisicos que podem constituir um risco em determinadas reparações.

Não arrisque reparar equipamentos com tensões elevadas se não tiver conhecimentos técnicos para o fazer em segurança.

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