My Sony SLV-F900 VHS will not power on after we experienced a power cut. I've checked the glass fuse inside the case and that is fine. I've changed the fuse in the plug too. I can hear a faint 'sizzle' noise when I plug the unit into the mains.
Any help would be appreciated.
Thanks.
If the fuse(s) check out OK, and the unit is showing no other signs of life I'd say you have a faulty switch mode power supply circuit - the best place to start is by checking all the electrolytic capacitors in it (look for any that have ruptured or are bulging on top and replace them with new caps of the same value and voltage if possible), then progress from there. Assuming the failure hasn't taken any other components out, re-capping may fix the problem but if the PSU has an IC regulator, it might be worth checking that as well. If it is shorted you may have to order a new IC which could be expensive (assuming the part is still available).
The faint sizzle would be the power transformer arcing as current passes through it. I believe there are no less than 10 caps in that circuit you need to look at. All electrolytic and all can be potential troublemakers.
You should only need to look at the caps in the power supply (replace any suspect/ruptured/leaky ones if necessary) as a starting point. If it gets too hard after that, consult a service center for a third opinion.
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
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
SOURCE: Sony VCR date only goes up 2006
Goggle year with same dates as the year you want. It'll show up.
For example if you can't get 2009, then you can set it to 1998. Same starting day, and all other dates will be identical.
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