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Electronics > Documentation > Sony (Bulletin) > ( there are 83 files in this category )

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The unit exhibits an unstable display - pag. 1
HFP0476_©_.PDF
Service Bulletin - Symptom: Unable to Syncro record when connected to an MDP Player. This is due to different
SIRCS codes used in MDP Players and CD Players - pag. 1
HFP0478_©_.PDF
Service Bulletin - Symptom:The customer complaint may state the sound cannot be heard several minutes after
the unit is powered ON - pag. 1
HFP0496_©_.PDF
Service Bulletin - Symptom:The MD will not eject due to the DOOR LEVER (ref.#119) having disengaged from
the LID LEVER (ref.#11) - pag. 1
HFP0506_©_.PDF
Service Bulletin - Symptom:When the unit is initially powered ON or has not been used for several weeks the FM
frequency range may be incorrect - pag. 1
HFP0505_©_.PDF
Service Bulletin - Symptom:When replacing the Digital Board misoperation may occur when the unit is powered
ON - pag. 1
HFP0479_©_.PDF
Service Bulletin - Symptom:On a recordable disc one or more of the following problems may occur:
1.) Recording is not possible.
2.) Sound will skip during Playback.
3.) "DISC ERROR" appears in the display
4.) "RETRY ERROR" appears in the display
5.) A disc cannot be ejected
6.) TOC information cannot be read.
7.) The unit will stop during playback - pag. 2(?)
HFP0422_®_.PDF
Service Bulletin - Symptom:In early production units it is not possible to enter the test mode as outlined in the
Service Manual - pag. 1
HFP0502_®_.PDF
Service Bulletin - Symptom:Laser power measurements made with the LPM-8001 laser power meter (part number J-2501-046-A) will actually be somewhat lower than the actual laser power, and therefore must be corrected to reflect the true power level. The amount of
correction is dependant upon which which laser mode is being measured at the time - pag. 1
HFP0423_©_.PDF
Service Bulletin - Symptom:The part number listed on page 27 (Schematic) & page 99 (Parts List) of the Service
Manual for Ref # F1903, Fuse (3.15A, 125V), is incorrect - pag. 1
HFP0463_©_.PDF
Service Bulletin - Symptom:The CD mechanism alignment procedure for the MHC-C305 ,MHC-C33 and the CFD-606/616/and 626 is not available in the Service manual - pag. 1
HFP0466_®_.PDF
Service Bulletin - Symptom:The part number listed on page 29 of Revised Service Manual for Ref # IC502, BU9310BKS, is incorrect - pag. 1
HFP0517_©_.PDF
Service Bulletin - Symptom:The PWM driver is no longer available - pag. 1
HFP0515_®_.PDF
Service Bulletin - Symptom:When making a digital recording from a CD, the MDS-501 may assign more tracks than originally on the Compact Disc - pag. 3 (?)
HFP0416_©_.PDF
Service Bulletin - Symptom:When recording using a Sony MO disc MDW-60 with stamper No. “J2-0304”, “RETRY ERROR” is displayed and sound skips during playback. To view the
stamper number open the shutter of the disc. Look for the number at the area closest to the spindle hole. Rotating the disc may be necessary to align the number with the shutter opening - pag. 1
HFP0500_®_.PDF
Service Bulletin - Symptom:The MDS501 won
HFP0415_®_.PDF
Service Bulletin - Symptom:During the operation of Digital Signal Checker (DSC-88) noise is heard in the audio - pag. 1
HFP0400_®_.PDF
Service Bulletin - Symptom:The unit will intermittantly not operate when using the front panel function buttons or the remote commander - pag. 3 (?)
HFP0432_©_.PDF
Service Bulletin - Symptom:Output Transistors fail, sometimes repeatedly, after replacement - pag. 2 (?)
HFP0436_©_.PDF
Service Bulletin - Symptom:The CDP-CX153 may randomly delete DISC MEMO titles when entered as per the Operating Instruction manual. The titles may be lost when playing discs or uploading the data to the CTRL-300 controller. - pag. 2
HFP0462_®_.PDF
Service Bulletin - Symptom:This Bulletin serves as an announcement to the Service Field about the Optical Block Replacement Program. - pag. 2
HFP0450_©_.PDF
Service Bulletin - Symptom:Discs Jam, or the Unit May Fail to Identify Discs Properly - pag. 2
HFP0453_©_.PDF
Service Bulletin - Symptom:The customer complaint may state, when the surround level is set to maximum and the unit is powered off, all memory is erased. - pag. 1
HFP0501_®_.PDF
Service Bulletin - Symptom:When the EDIT FADE TIME is set and the power is switched OFF and ON the FADE TIME entered may not be held in memory. - pag. 1
HFP0532_©_.PDF
Service Bulletin - Symptom:The tuners preset memory may be lost when the power is turned off after turning the volume up and down several times with the remote commander. - pag. 3 (?)
HFP371_©_.PDF
Service Bulletin - Symptom:The tuners preset memory may be lost when the power is turned off after turning the volume up and down several times with the remote commander. - pag. 3 (?)
HFP371R_©_.PDF
Service Bulletin - Symptom:The display will disappear shortly after the unit is powered on. - pag. 2 (?)
HFP0454_©_.PDF
Service Bulletin - Symptom:The customer may complain of a “beep” noise on the audio. - pag. 1
HFP0533_®_.PDF
Service Bulletin - Symptom:Sound Skipping - pag. 1
HFP0531_®_.PDF
Service Bulletin - Symptom: The unit dead and/or IC1201 shorted. Main fuse could be open. - pag. 1
HFP0530_®_.PDF
Service Bulletin - Symptom:If the customer complaint is any of the following - pag. 1
HFP0529_©_.PDF
Service Bulletin - Symptom:The customer may complain of high wow & flutter when playing tapes. - pag. 1
HFP0527_®_.PDF
Service Bulletin - Symptom:The original Base Assembly, Head p/n A-2003-757-A or A-2003-838-F has been replaced. - pag. 1
HFP0526_©_.PDF
Service Bulletin - Symptom:No Sound. Unit does not read TOC and gives a “NO Disc” Indication. - pag. 1
HFP0525_®_.PDF
Service Bulletin - Symptom:The customer may complain of noise when raising or lowering the volume control. - pag. 1
HFP0524_©_.PDF
Service Bulletin - Symptom:The unit does not detect a CD in the disc tray. - pag. 1
HFP0523_®_.PDF
Service Bulletin - Symptom:If the customer complaint is excessive noise in the rear channels perform the following procedure. - pag. 1
HFP0521_©_.PDF
Service Bulletin - Symptom:Unit has a KSS-411A optics as identified in supplement-3 and does not play disc, read or rotate. - pag. 2
HFP0520_©_.PDF
Confidential Service Bulletin - Sympton: IC 501 (BA6375K) is no longer available. When replacing this component, use the IC identified below - pag 1
HFP0510_®_.PDF
Confidential Service Bulletin - Sympton: The customer states the display is too dark to read or it does not light at all. - pag 1
HFP0499_©_.PDF
Confidential Service Bulletin - Sympton: Unit doesn’t power off when the Hold Switch is on . Track 00 and the BATT indicator stay lit on the remote controller. - pag 1
HFP0519_©_.PDF
Confidential Service Bulletin - Sympton:The Capstan belt slips due to the excessive load exerted by Cam (A). - pag 1
HFP0493_®_.PDF
Confidential Service bulletin hi-Fi product -  Symptom: (212) Unit will power off while in record or play back mode, or unit will power on by itself.
HFP0518.PDF
Confidential Service bulletin hi-Fi product -  Symptom: The PWM driver is no longer available.
HFP0514.PDF
Confidential Service bulletin hi-Fi product -  Symptom: Unit powers up but sled can not move.
HFP0511_®_.PDF
Confidential Service bulletin hi-Fi product -  Solution: R503
HFP0509_©_.PDF
Confidential Service bulletin hi-Fi product -  Symptom: Production of the MPC1716AFU has stopped.
HFP0507_®_.PDF
Confidential Service bulletin hi-Fi product -  Symptom: Unit skips , even when stationary.
HFP0504_©_.PDF
Confidential Service bulletin hi-Fi product -  Symptom: Unit intermittently does not play, especially 8cm single discs.
HFP0503_®_.PDF
Confidential Service bulletin hi-Fi product -  Symptom: Sound might be distorted when recording certain Cds. This may occur if the low
frequency components on the disc exceed the capacity of the deck.
HFP0497_®_.PDF
Confidential Service bulletin hi-Fi product -  Symptom: The customer complaint states that the unit loses memory when it is unplugged, after a power failure, or when using an external timer.
HFP0495_®_.PDF
Confidential Service bulletin hi-Fi product -  Symptom: The customer may complain of noise or distorted sound from the rear channel when the volume level is increased.
HFP0494_©_.PDF
Confidential Service bulletin hi-Fi product -  Symptom: The customer may complain of noise or distorted sound from the rear channel when the volume level is increased.
HFP0494_bis_©_.PDF
Confidential Service bulletin hi-Fi product -  Symptom: There are several types of optical block assemblies and it is sometimes necessary to
remove a mounted component when installing a new optical block assembly. In instances where component removal is required, a notice is packed with the replacement part outlining the specific component to remove. In addition to the component outlined in the notice remove the capacitor listed below.
HFP0491_®_.PDF
Confidential Service bulletin hi-Fi product -  Symptom: The Optical Block KSS-390A is no longer available and KSS-240A is supplied as the substitution. As the two parts have some electrical and mechanical differences, please perform the following changes according to the model being serviced.
HFP0490_©_.PDF
Confidential Service bulletin hi-Fi product -  Symptom: The customer complaint is described as audio intermittently “skipping” or “muting”.
HFP0489_®_.PDF
Confidential Service bulletin hi-Fi product -  Symptom: Unable to playback or power on.
HFP0486_®_.PDF
Confidential Service bulletin hi-Fi product -  Symptom: Will not accept any key command and LED is distorted.
HFP0485_©_.PDF
Confidential Service bulletin hi-Fi product - Symptom: Need extension cable to perform troubleshooting.
HFP0484_®_.PDF
Confidential Service bulletin hi-Fi product - Symptom: IC NE657N (8-759-927-57), referenced IC504 (SDP-505ES) and IC503 (SDP-777ES) is no longer available, it is necessary to perform the following modification when this part needs servicing.
HFP0482_©_.PDF
Confidential Service bulletin hi-Fi product - Symptom: After replacing an optical block, two to three minutes into playing back a 74 minute
MO disc, “Retry Error” will be displayed and the sound will skip.
HFP0475_©_.PDF
Confidential Service bulletin hi-Fi product - Symptom: MO discs will display irregular movement on playback such as; no rotation, no focus servo, and ejecting. No problem seen when playing pre-recorded non-MO MiniDiscs.
HFP0474_®_.PDF
Confidential Service bulletin hi-Fi product - Symptom: The original Tape transport motor for the listed models is no longer available.
Replacement motors are available under the following part numbers: X-3390-801-1,
X-3390-802-1, 1-541-427-11, and 1-541-745-11. The negative (minus) side of the
replacement motors are internally connected to the motor case. The case ground may damage the negative power supply in a symmetrical +,- power supply configuration.
HFP0473_®_.PDF
Confidential Service bulletin hi-Fi product - Symptom: The unit will go into protection when it is powered on.
HFP0468_©_.PDF
Confidential Service bulletin hi-Fi product - Symptom: When a CD is inserted and the drawer is closed the CD will intermittently not play.
HFP0464_®_.PDF
Confidential Service bulletin hi-Fi product - Symptom: Sequence of events during Initialization.
HFP0460_©_.PDF
Confidential Service bulletin hi-Fi product - Symptom: The unit may become inoperative or may behave erratically.
HFP0458_®_.PDF
Confidential Service bulletin hi-Fi product - Symptom: The disc tray may stop during operation.
HFP0456_®_.PDF
Confidential Service bulletin hi-Fi product - Symptom: The disc table (B) rotation speed is too fast and will not stop rotating.
HFP0455_©_.PDF
Confidential Service bulletin hi-Fi product - Symptom: During the production phase of the TA-AV531 and TA-AV631X, R743 and R744 may
not have been installed* on the Main PC board.
HFP0452_®_.PDF
Confidential Service bulletin hi-Fi product - Symptom: The original optical device KMS-140B, (Ref. #21) P/N 8-583-003-21, has been
replaced by the KMS-140C (P/N 8-583-005-11).
HFP0451_©_.PDF
Confidential Service bulletin hi-Fi product - Symptom: The customer will complain that the unit will intermittantly not operate.
HFP0448_©_.PDF
Confidential Service bulletin hi-Fi product - Symptom: The unit will not load, unload, locate or play a disc.
HFP0446_®_.PDF
Confidential Service bulletin hi-Fi product - Symptom: No Sound is heard, only noise.
HFP0438_©_.PDF
Confidential Service bulletin hi-Fi product - Symptom: Battery is not able to operate unit for more than two hours even though battery was fully charged (charged for more than 4 hours)
HFP0437_©_.PDF
Confidential Service bulletin hi-Fi product - Symptom: When the rec-out of on amplifier [Pag.4]
HFP0435_®_.PDF
Confidential Service bulletin hi-Fi product - Symptom: When in Dolby Pro-Logic mode a popping noise is randomly heard in the rear
channel.
HFP0430_©_.PDF
Confidential Service bulletin hi-Fi product - Symptom: A whistling noise can be heard from the mechanical assembly. The whistling noise is a result of vibration of the disc, optical lens, and BU base which results in an audible
resonant frequency. The following modification is applicable to all units that use the KSS-240A optics and exhibit the audible noise.
HFP0428_®_.PDF
Confidential Service bulletin hi-Fi product - Symptom: A loud mechanical noise may be heard while in the play mode. This is due to a lack of oil on the FR gear.
HFP0421_®_.PDF
Confidential Service bulletin hi-Fi product - Symptom: The SAVA3 will not shut down after an input signal has been removed or, the unit will shut down while an input signal is still active to the speaker.
HFP0420_®_.PDF
Confidential Service bulletin hi-Fi product - Symptom: Digital recording is impossible when connecting D-335 to TCD-D7 using an optical
connection cable.
HFP0419_®_.PDF
Confidential Service bulletin hi-Fi product - Symptom: No Sound in
HFP0418_©_.PDF
Confidential Service bulletin hi-Fi product - Symptom: When selecting the last track by quickly rotating the Jog dial, the name of the last track does not appear and "No Name" is shown in the display.
HFP0417_®_.PDF
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