Samsung DVD-VCR Recorder COMBO DVD-VR335 - XAA, XAC , DVD-VR345 -XAA, XAC SMPS schematic, how to upfate the software, how to take out the casette tape at emergency

 

HOW TO EJECT THE CASSETTE TAPE (If the tape is stuck in the unit)

1.) Turn the Gear Worm [1] clockwise in the direction of arrow with a screwdriver.
(Other method ; Remove the screw of Motor Load Ass’y, Separate the Motor Load Ass’y)
2) When Slider S, T approaches the unloading position, rotate holder Clutch counterclockwise after inserting screwdriver in the frame’s bottom hole in order to wind the unwound tape.
(If you rotate Gear Worm [1] continuously when tape is unwinding, you may cause tape contamination by grease and tape damage. Be sure to wind the unwound tape with the unit in the horizontal position.)
3) Rotate Gear Worm [1] clockwise using a screwdriver until the mechanism is in the eject state. RMode switch (program switch) assembly point

Mode switch (program switch) assembly point

When installing the ass’y deck on the Main PCB, be sure to align the assembly point of mode switch.

Remote Control:  Part number - AC59-00053A

Software Update

Drive Firmware Update

Samsung will often support software update to improve the performance of DVD Recorder & VCR to the latest status, through Samsung Internet Site. (www. samsung.com)

How to make an update disc

Write the downloaded file onto a blank CD-R or CD-RW disc, using the following settings :
1) You have to download a new file through Samsung internet site. (www.samsung.com)
2) Write the file to disc using the CD-RW of your computer.

• Recommended Application Program - Nero Burning / Easy CD Creator ..etc
• Option
- Name : SDM2224
- Extension name : “*.REC”
- Multisession : No Multisession
- File name length : Max. of 11 = 8 + 3
- Format : Mode 1
- Character set : ISO 9660 or Joliet Format
- CD Close & Disc at once
- Label : RAMBO

It is very important : please read the below notice below before updating your unit.
The following events may interrupt the update process and MAY RESULT IN PERMANENT DAMAGE TO THE UNIT WHILE UPDATING

Unplugging the power cord.
Power Outage.
Dirt or Scratches on the disc.
Opening a disc tray during processing.

Press OPEN/CLOSE to open the disc tray.
2) Insert the update CD-R disc with the software update, label facing up.
3) Press OPEN/CLOSE to close the disc tray.
* It takes about 1~2 minutes before the message below appears.

If you don’t see the message above, try another disc. Generally, this is caused by disc quality and by disc creating problem.

4) Press the ENTER button on the remote control.

You will see “LOAD” on FLT Display.

5) It takes about 1~2 minutes to complete the update.
The message below will be displayed in the screen after update is completed and the tray will open automatically

6) After removing the update disc, turn off the unit with power button.
And there after turn on the unit with power button and then the will be closed.
The drive firmware is now completed.

Flash Update

How to make an update disc

Write the downloaded file onto a blank CD-R or CD-RW disc, using the following settings :
1) You have to download a new file through Samsung internet site. (www.samsung.com)
2) Write the file to disc using the CD-RW of your computer.

• Recommended Application Program
- Nero Burning / Easy CD Creator ..etc.
• Option
- Only single session
- CD close & disc at once
- ISO 9660 or Joliet format
- Extension name : “*.RUF”
• In order to increase disc playability, add a dummy file (over 100MB) together with the latest program.
(The dummy file can be used any kind of file except MP3 file etc. which can be played in the unit and we recommend to use a file within extension name as “*.dmy”, which can be changed from original one.)

It is very important : please read the below notice below before updating your unit.
The following events may interrupt the update process and MAY RESULT IN PERMANENT DAMAGE TO THE UNIT WHILE UPDATING

Unplugging the power cord.
Power Outage.
Dirt or Scratches on the disc.
Opening a disc tray during processing.

Press OPEN/CLOSE to open the disc tray.
2) Insert the update CD-R disc with the software update, label facing up.
3) Press OPEN/CLOSE to close the disc tray.

* If you don’t see the message below, try another disc.
Generally, this is caused by disc quality and by disc creating problem.

4) Press the ENTER button on the remote control

5) It takes about 5 minutes to complete the update.
The message below will be displayed in the screen after update is completed and the tray will open automatically

* If the message to the left isn’t displayed after 10minutes and the unit is no longer functioning properly, contact a Samsung authorized service center.

6) After removing the update disc, turn off the unit with power button.
And there after turn on the unit with power button and then the will be closed.
The Flash update is now completed.

SMPS schematic