Question about Sony SLV-N750 VHS/S-VHS playback VCR

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Sony SLV-N750 VCR will not power up

Plugged in; fuse good; power button appears to do nothing; LED display is blank; tape loading mechanism motor seems to move for less than a second when the VCR is plugged in, and that is the only visible indication of power;

I detect about 152 volts DC on the high-power side of the big transformer, but 0 volts on all leads on the other side of it. I would really prefer not to desolder and check and/or replace a lot of components. I also can't seem to find any repair or service manual that might give me schematics or signals to test for at different test-points.

Any ideas of where to start?

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5 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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dodgecharger
  • 254 Answers

SOURCE: VCR won't take tape

Is it ejecting the tape when you set up for timed record, or any record mode for that matter? If so, check for the presence of the record lockout tab in the tape. If tab is there, machine should accept it. If machine ejects tape with the tab present, then the sensor which detects tab present or absent is probably afoul. this sensor is often a small switch. This tab, by the way, is on the backside of the tape, on the left, looking at the tape from the back.

Posted on Apr 16, 2007

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  • 1 Answer

SOURCE: Sony SLV-SE820 VHS VCR

o Front display,wrong functions on front buttons.

CAUSE
Corrupted data is stored in the NVM memory (IC605) or part of the data is erased.
The model option data flags are erased or set incorrectly.

SOLUTION
1. CAPACITOR AND RESISTOR REPLACEMENT NOTE
For continuous reliability, regardless of the symptom, ALWAYS check and replace if necessary C701 in the correct mounting position and ALWAYS modify R668/R669 from 10k to 4.7k.
1.1. Open the set and replace C701 "470µF 10V" (1-126-925-11)
1.2. Make sure to mount C701 in the correct way, the positive (+) side points to the edge of the MCB. NOTE THAT THE WHITE PRINTING FOR C701 ON THE MCB IS INCORRECT (REVERSE)!
1.3. Replace R668 and R669 "10k" (1-216-675-11) with "4.7k" (1-216-667-11).

2. OPTION DATA SETTINGS
2.1. Connect the unit to the AV input of a television with a SCART connection cable in order to enable the on-screen display.
2.2. Enter the unit into test mode: press the record button on the front panel, then press the menu button on the remote commander for 5 seconds until the option setting display appears on the connected television. The option display has 8 columns and 9 rows with decimal numbers.
2.3. Enter the correct option settings according to the model and model destination. Refer to the option setting table in this document or page 5-6E of the Service Manual.
2.4. The option number is selected with the FF, REW, STOP and PAUSE buttons on the remote commander.
2.5. Pressing the OK (PLAY) button on the remote commander activates the selected option number. An activated option number appears in reverse colour.
2.6. After all required option numbers are activated press the MENU button on the remote commander to save the changes. A message "Please wait" appears for a few seconds after which the setting is completed.
2.7. Turn the power OFF and back ON.

3. HEAD SWITCHING PULSE ADJUSTMENT
3.1. Remove the front panel.
3.2. Insert a VHS alignment tape (like KRV-4821PS).
3.3. Press the TEST button located behind the front panel at the left-hand side of the tape/display area.
3.4. Press the SP/LP button on the remote commander. The adjustments are operated automatically.

4. FUNCTIONAL CHECK
4.1. Re-assemble the unit and perform functional checks.
4.2. Check for correct language setting.
4.3. Confirm basic functions like Playback, FF, REW, etc.
4.4. Check for a noise-free picture quality in playback mode.
4.5. Switch the unit on and off for a couple of times.
4.6. Perform a timer record to confirm the function and picture quality.
4.7. Check the SmartLink function (if available with the connected television) by transferring the TV preset settings to the VHS recorder.

MODELS OPTION DATA SETTINGS

SLV-SE720D/SX720D
2, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 19, 34, 35, 40, 42, 45, 47, 51, 60, 61, 63, 66, 69, 72

SLV-SE720E/SX720E
2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 19, 34, 35, 40, 42, 45, 47, 51, 60, 61, 63, 66, 69, 72

SLV-SE720G
3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 19, 27, 33, 34, 35, 40, 41, 45, 47, 51, 60, 61, 63, 66, 69, 72

SLV-SE720I
3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 19, 25, 26, 33, 34, 35, 40, 43, 45, 47, 51, 60, 61, 63, 66, 69, 72

SLV-SE720B
2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 19, 20, 21, 26, 33, 34, 35, 36, 40, 45, 47, 51, 60, 61, 63, 66, 69, 72

SLV-SX727D
2, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 19, 32, 34, 35, 40, 42, 45, 47, 51, 60, 61, 63, 66, 69, 72

SLV-SE727E
2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 19, 32, 34, 35, 40, 42, 45, 47, 51, 60, 61, 63, 66, 69, 72

SLV-SE720N/SX720N
2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 19, 20, 36, 42, 45, 47, 51, 54, 60, 61, 63, 66, 69, 72

SLV-SE820D
2, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 19, 23, 29, 32, 34, 35, 40, 42, 45, 47, 48, 49, 50, 60, 61, 63, 64, 66, 69, 72

SLV-SE820E
2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 19, 23, 29, 32, 34, 35, 40, 42, 45, 47, 48, 49, 50, 60, 61, 63, 64, 66, 69, 72

SLV-SE820G
3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 19, 23, 27, 29, 32, 33, 34, 35, 40, 41, 45, 47, 48, 49, 50, 60, 61, 63, 64, 66, 69, 72

SLV-SE820B
2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 19, 20, 21, 23, 26, 29, 32, 33, 34, 35, 36, 40, 45, 47, 48, 49, 50, 60, 61, 63, 64, 66, 69, 72

SLV-SE820N
2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 19, 20, 23, 29, 32, 36, 42, 45, 47, 48, 49, 50, 54, 60, 61, 63, 64, 66, 69, 72

Posted on May 12, 2008

  • 11 Answers

SOURCE: Sony SLV-N750

Check "SAMS" repair manuals.

Posted on Sep 28, 2008

  • 4234 Answers

SOURCE: Sony SLV-640HF VHS VCR ejects any tape after a couple of seconds

While the tape may appear to be loading properly, it is not. These units have a known problem with the grease at the loading arm getting sticky. This means that the tape is not loaded properly and will not move through the VCR properly. This is detected as the hubs not moving and the unit will eject the tape to prevent damage. This is a simple repair for anyone that has done these before, but requires an alignment check. This check requires a special alignment tape and equipment.

This should be a labor only repair.

Dan

Posted on Aug 31, 2009

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1 Answer

HOW DO I RECORD WITH A SONY SLV-N77 MANUAL DOES NOT HAVE ANY DIRECTIONS


Looks like a great brand with good features for the price.
  1. Connect Video & Audio Cables to a video signal source
  2. Connect Power Cable
  3. Turn on VCR.
  4. Insert a blank tape in the VCR.
  5. Note - A Broken Tab on the back of tape will prevent recording. This is called Write Protection.
  6. Cover the tab hole if you want to record over old video.
  7. Press RECORD on the VCR remote control.
  8. After a minute, press Stop, then PLAY to see recording.
  9. Cheers

Aug 18, 2014 | Sony SLV-N750 VHS/S-VHS playback VCR

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WILL NOT TRACK. +/- BUTTONS ON FROM OF VCR ARE FUNCTIONAL, BUT IMAGE OF IMAGE IS DISTORTED AND NOT IN COLOR.


I will assume you have tried to clean the video head, if you have not use a wet or dry cleaning tape "dry better choice" and see if that will work, the other option is use a brand new store bought blank tape T120 and set the vcr speed at sp and let it run all the way through. If all this fails it means either the video head is bad or you need alignment done inside the vcr.

Jan 10, 2011 | Sony SLV-N750 VHS/S-VHS playback VCR

2 Answers

110 to 220 conversion


a converter plug should be fine

Jun 01, 2009 | Sony SLV-N750 VHS/S-VHS playback VCR

1 Answer

Sony VCR ''Eats the Tape'' Model SLV-N750. It plays and records but doesn't release tape. It does not repond after I try to run forward or back and does not advance on ''Play'' but shuts off. Is there any...


If this unit is 4-7 years old then TOSS it. As time goes by the rubber gets soft and the units timing gets whacked. Repair will be more than what it's worth , unless your emotionally attached to it ...

Please rate!

Mar 13, 2009 | Sony SLV-N750 VHS/S-VHS playback VCR

1 Answer

CAN'T SET VCR (SONY SLV N750)TO CH 3 OR USE MENU


This is a link to the owners manual for your unit, click --->here<--- to download.

in brief, connect antenna, plug in vcr, turn on. if ch3 is not auto tuned, it can be manually set from the instructions in the owners manual.

Please take the time to give this solution a fix ya rating.

clarkco

Feb 16, 2009 | Sony SLV-N750 VHS/S-VHS playback VCR

1 Answer

SONY VCR: Keeps ejecting video tape


may be machnical stuck in playback mode. remove the cover and see the loading arms are near the video head , if not try to release the arm rotating caption wheel smmothly . don't push more force to rotate the wheel.

Jul 11, 2008 | Sony SLV-N750 VHS/S-VHS playback VCR

1 Answer

Sony SLV-N750 sound problem


befor i give u answer of this Q.i m gona ask u some think to make sure u regulur tape is orignal recoding from company is not that means u recrder vcr out of alighnment on audio head ..so chack that ....and hi fi system very sensetive about it,s audio head alighment ....or might u notice movie runs slow some time or fast ......if that kind problem u can't do much about it only u can do use the orignal record tape or alighment a audio head ...good luk...oh yaa clean head first ..

Dec 21, 2007 | Sony SLV-N750 VHS/S-VHS playback VCR

1 Answer

VCR won't take tape


Is it ejecting the tape when you set up for timed record, or any record mode for that matter? If so, check for the presence of the record lockout tab in the tape. If tab is there, machine should accept it. If machine ejects tape with the tab present, then the sensor which detects tab present or absent is probably afoul. this sensor is often a small switch. This tab, by the way, is on the backside of the tape, on the left, looking at the tape from the back.

Apr 14, 2007 | Sony SLV-N750 VHS/S-VHS playback VCR

1 Answer

Sony SLV-940HF VCR Will not accept tape


Dear Rob, There can be two reasons for your problem.Let us consider the simpler and most likely cause.....Belts!!! Unplug the Plug from the Power socket. Open up the top and bottom Panels.Check the belts. Most likely you will find a belt has snapped ( a 80% possibility) or become very very loose. Also check the Tape Loading mechanism,there is a small belt which connects from the Loading motor to the Loading Mechanism. Replace the belts as a entire set. Let me know if this worked out. Good Luck.

Jan 27, 2007 | Sony SLV-940HF VCR

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