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KSS-240A replacement/adjustment in the Sony HCD-H1700

Seems the laser finally reached end of life. Cleaning does not help,
increasing laser power is just temporary solution. So decided to replace
the KSS-240A laser head.

I am quite familiar with electronics (over 20 years in R&D) and well equiped (Tektronix 200MHz), but suppose I do need proper documentation and
may be some good advices. Would somebody help?

Posted by goldspoon on

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1 Answer

Anonymous

The laser assy should come complete if its only the eye itself only loosen one slide rail and slide the old one off and the new one in this keeps the laser alignment intact .coloneus

Posted on Aug 14, 2008

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1 Answer

Bush customer services


Could be simply a dusty laser lens. Try a cleaning CD first.

After that, it could be that the laser assembly has low power output. Some decks have the range to increase the laser power, but it's only a temporary fix. The emissions are dying so the laser assembly will need to be replaced sooner of later.

Sep 07, 2014 | Audio Players & Recorders

1 Answer

Lbt-117 compact hi fi system


Could be simply a dusty laser lens. Try a cleaning CD first.

After that, it could be that the laser assembly has low power output. Some decks have the range to increase the laser power, but it's only a temporary fix. The emissions are dying so the laser assembly will need to be replaced sooner of later..

Sep 06, 2014 | Audio Players & Recorders

1 Answer

Sony lbt-d117cd shows no disc playing


Could be simply a dusty laser lens. Try a cleaning CD first.

After that, it could be that the laser assembly has low power output. Some decks have the range to increase the laser power, but it's only a temporary fix. The emissions are dying so the laser assembly will need to be replaced sooner of later...

Sep 04, 2014 | Audio Players & Recorders

1 Answer

Why does a 'no disc' message appear on dvd player even though disc is present?


Could be simply a dusty laser lens. Try a cleaning CD first.

After that, it could be that the laser assembly has low power output. Some decks have the range to increase the laser power, but it's only a temporary fix. The emissions are dying so the laser assembly will need to be replaced sooner of later.

Aug 29, 2014 | Technics Audio Players & Recorders

1 Answer

Why is my teac mdh-300 mini disc plyer not readind disc


Could be simply a dusty laser lens. Try a cleaning CD first.

After that, it could be that the laser assembly has low power output. Some decks have the range to increase the laser power, but it's only a temporary fix. The emissions are dying so the laser assembly will need to be replaced sooner of later.

Aug 27, 2014 | Audio Players & Recorders

1 Answer

Drum end soon Brother DCP-7030


each replacable part has its own life of rotation, heat conversion ect. may be the life cycle of the drum reached to end. you need to replace the drum assembly.

Sep 22, 2011 | Brother MFC-7340 All-In-One Laser Printer

4 Answers

Drum Error - see routine maintenance chapter in user guide. Do not have user guide


I tried everything and then decided to slightly change the above instructions to:


Open the front cover
press Clear/Back
Replace New Drum - select "Yes"
after the screen will show "accepted"
close the front cover and you are good to go



and WA LA it worked!!

Apr 19, 2011 | Brother MFC-7340 All-In-One Laser Printer

1 Answer

I have never had a problem with my DVD player until now.My Philips DVD player will not recognize series disks (Bones Season 3) nor will it recognize burned disks. When it does finally play, it skips and...


The symptoms you describe all point in the direction of the player's laser power going down.

When this happens, your player will start to develop problems with DVD-R(W), not recognising the TOC (table of content) of a disc and therefore refuse to play it, skip tracks, etc.

Since there is quite a bit of variation in the reflective properties of various discs, your player may work fine with some discs and not so fine - or not at all - with others.

Unless you have the service manual and know how to tweak the laser output - which is a critical thing to do - I fear your player is reaching the end of its life.

Do not try using cleaning discs as these are more likely to cause damage than the clean your player's lens. If you want to have a go at the player's internals, then first read all the useful tips on this site: http://www.repairfaq.org/sam/cdfaq.htm

Good luck.

Nov 09, 2009 | Philips DVP5140 DVD Player

5 Answers

52 scanner error


HP LASER PRINTER ERROR CODE 52 – INCORRECT SCANNER SPEED ERROR


HP LASER PRINTERS 2, 2D, 3, 3D

1. Defective cable laser scanner to dc controller. 

2. Defective laser scanner assembly. 

HP LASER PRINTERS 2P, 2P+, 3P 

1. Bad scanner motor. 

2. bad dc controller. 

HP LASER PRINTERS 3SI, 4SI, 4V

1. Faulty cable assembly. 

2. Scanner motor problem.

3. Defective laser scanner assembly.

4. Defective dc controller. 

HP LASER PRINTERS 4, 4+, 5 

1. Faulty laser scanner cable. 

2. Defective laser scanner assembly.

HP LASER PRINTERS 4L, 4P, 5P, 5L, 5SI 

1. Temporary error. Scanner startup failure.

2. Improperly fitted scanning assembly.

3. Scanner cable problem.

4. Defective laser scanner assembly.

5. Defective dc controller board.

HP LASER PRINTERS 1200, 2200, 3100 FAX, 3200 FAX, 4100

1. Temporary error. scanner rotation error.

2. Replace contact image sensor. 

4. Replace laser scanner. 

5. Replace cables to laser scanner and engine board
HP LASER PRINTERS  1100, 2100, 4000, 4050, 8000
1. Scanner start up error
2. Replace scanner cable to the D.C. controller and back to scanner. Or replace scanner cable from engine board to scanner ***'y.
3. Replace scanner ***'y.
4. Replace the engine board.
5. Replace the D.C. controller only on the 8000.
HP LASER PRINTER 2300 ERROR 52.X
1. A temporary scanner start up error.
2. This can also be the shutter tab on the print cartridge. Replace the toner cartridge.
3. Replace the scanner ***'y.
4. Replace the engine board.
HP LASER PRINTERS 4200, 4300 ERROR 52.XX
1. Printer scanner speed error has occurred.
2. Replace laser scanner ***'y
3. Replace the D.C. controller ***'y
HP COLOR LASER PRINTER 4600, 5500 ERROR 52.XK, 52.XC, 52.XM, 52.XY
1. Error code K - No Black Color.
2. Error code C - No Cyan Color
3. Error code M - No Magenta color
4. Error code Y - No Yellow color
5. Replace laser scanner ***'y
6. Replace the D.C. controller ***'y
HP LASER PRINTERS 5000, 5100
1. Printer scanner speed error has occurred.
2. Replace laser scanner ***'y
3. Replace the D.C. controller ***'y
4. Replace cable ***'y from scanner to D.C. controller.
HP LASER PRINTERS 8100, 8150
1.Laser scanner error/start up/rotation error
2.Replace laser scanner ***'y.
3.Replace D.C. controller board.
4.Replace cable ***'y from scanner to D.C. controller

HP LASER PRINTER 4500, 4550

1. Temporary error. Laser scanner error/start up/rotation error

2. Replace laser scanner. 
3. Replace D.C. controller ***'y
HP COLOR LASER PRINTERS 4600, 5500
1.Laser scanner error/start up/rotation error.
2.Take the toners out and reseat them, or replace them
3. Replace laser scanner ***'y
4. Replace D.C controller board.

HP LASER PRINTER 8500, 8550

1. Temporary error. Laser scanner error/start up/rotation error

2. Replace laser scanner motor.
3. Replace D.C. controller ***'y

HP LASER PRINTER 9000 

1. Temporary laser scanner error/start up/rotation error

2. Replace laser scanner.
3. Replace upper cable guide assembly.
4. Replace DC controller. 

Oct 22, 2008 | HP LaserJet 2840 All-In-One Printer

1 Answer

Drum End of Life


Unfortunately the manufacture has you over a barrel.
Have you contacted Minolta?

Ask for technical support sry not much help.

Nov 27, 2007 | Konica Minolta magicolor 2430 DL Laser...

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