Question about Insignia NS- 27" TV27 TV

1 Answer

Top 1" of the screen

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  • Insignia Master
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What you are describing is a vertical problem, typically caused by the vertical deflection ic, a few capacitors, and bad solder connections, or a combination of the above. I suggest a tv tech to do the repairs.

Posted on Dec 31, 2010

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Posted on Jan 02, 2017

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SOURCE: Black bar top 1" screen

Dry capacitors on the vertical output

Posted on Feb 17, 2009

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07 corvette top will retract but deck lid makes no effort to close, then top will not go back up. Need to release pressure in block lift top up about 1/4 of way then top will go back up


Manually Moving the Folding Top from the Down Position
Important: Allow the system a minimum of four minutes to bleed down pressure after the last cycle.
Manually release the folding top cover latch using the emergency release cable.
Raise the folding top stowage cover.
Manually raise the folding top, holding the 5 bow up.
Manually lower and latch the folding top stowage cover.
Manually unfold the top and latch per normal procedure.

Manually Moving the Folding Top from the Up Position
Important: Allow the system a minimum of four minutes to bleed down pressure after the last cycle.
Manually release header latch per normal operation.
Manually lift front of roof off of the header and raise the #5 bow at the same time.
Manually release the Folding Top Cover latch using the emergency release cable.
Fold the roof down into the well.
Manually close and latch the folding top stowage cover.

Power Folding Top System Components
The power folding top system consists of the following components:
• Folding top control (FTC) module
• Body control module (BCM)
• Folding top control switch
• Serial data communication
• Folding top cover latch actuator
• Folding top cover pull down actuator
• Folding top pump motor with valve manifold
• Position switches and limit switches:
- Pin receiver switch
- Luggage barrier switch
- Folding top cover open switch
- Top open switch
- Top closed switch
- 5 bow raised switch
- 5 bow lowered switch
• Tonneau release relay
• TONNEAU PULL DOWN ACTUATOR Fuse 20 A
• TONNEAU RELEASE Fuse 10 A
• BATT 2 Fuse 40 A
• REAR FOG/ALDL TOP SW Fuse 10 A
• Folding top mechanical components:
- Folding top
- Folding top cover
- Folding top valve 1
- Folding top valve 2
- Folding top valve 3
- Hydraulic lines and cylinders

Folding Top Cover Latch Actuator
The power folding top system includes a folding top cover that is powered open and close by a hydraulic system that is controlled by the FTC module. A power unlatch motor is used to unlatch the folding top cover before the folding top control (FTC) module powers the top cover open. The folding top cover unlatching is requested by the FTC module via class 2 message, but is executed by the body control module (BCM). When requested, the BCM applies battery voltage through the folding top cover release relay control circuit to the tonneau release relay. The relay is energized and battery voltage is applied through the folding top cover release control circuit to the latch actuator. The actuator is energized and the latch releases the folding top cover.

The electronics on this are very complex ,

System Operation
Before any movement of the power folding top is allowed, the folding top control (FTC) module must be aware of the following conditions:
• Unlatch the header. The FTC module reads the pin receiver switch is Inactive.
• The windows must be normalized. Refer to Power Window Reinitialization.
• The ignition must be placed in Accessory or RUN.
• The transmission must be placed in PARK, or with manual transmission, the park brake must be applied.
• Trunk status must not be ajar.
• The luggage barrier must be in place.
• The pump motor temperature must be within the operating range.

After the last cycle of power folding top operation, allow the hydraulic system a minimum of 4 minutes to bleed down before attempting manual operation of the top.
Your best bet take and have it checked for DTC'S - diagnostic trouble codes .
DTC B3666 Rear Tonneau Position Error
DTC B3667 Tonneau Release Circuit
DTC B1011
DTC B1291
DTC B1420
DTC B3602
DTC B3666
DTC B3667
DTC B3670
DTC B3971

Jan 23, 2017 | 2007 Chevrolet Corvette Convertible

1 Answer

On a 207 G6 GT Pontiac retractable hardtop where is the sensor that gives the message top not secure. Top goes up and down seem secure will not allow the trunk to open with the key or door button


The retractable hard top is controlled by the folding top control (FTC) module.
Power Folding Top System Components
The power folding top system consists of the following components:
?€¢
The folding top control (FTC) module


?€¢
Hydraulic pump assembly; valve 1, valve 2 and motor


?€¢
The hydraulic lines and the cylinders


?€¢
GMLAN communication to the Body Control Module (BCM)


?€¢
Open/Close request circuit to the driver and passenger window motors


?€¢
Power and Grounds


-
Folding Top Main Power Fuse 30A


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Folding Top Logic Power Fuse 20A


-
Ground G301 for the FTC module and G305


?€¢
Folding Top Open/Close Switch (S15 and S16)


?€¢
Rear Compartment Limit Switches


-
Rear Compartment Lid Release Switch (S3 and S4)


-
Rear Compartment Lid Release Switch-Front Hinge-Left (S11 and S12)


-
Rear Compartment Lid Release Switch-Front Hinge-Right (S9 and S10)


-
Folding Top Front Location Pin Guide-Left (S17 and S18)


-
Rear Compartment Lid Release Switch-Left (S19A)


-
Rear Compartment Lid Release Switch-Right (S19B)


-
Rear Compartment Partition Position Switch (S20)


-
Folding Top Front Location Pin Position Switch (S13)


-
Folding Top Front Latch Actuator Position Switch (S14)


?€¢
Hall Effect Sensors


-
Folding Top Header Latch Cylinder Sensor (S1)


-
Rear Compartment Cylinder Extended Sensor (S2)


Your best bet is have the system checked for DTC'S - diagnostic trouble codes ! If it showed a message top not secured there is a DTC stored in the control module ! there are 24 possible DTC'S

May 29, 2015 | 2007 Pontiac G6 GT

2 Answers

Screen gone half black...tried with different CPU...same problem persist... Please advise what to do...


The effect is called fold-over, where the bottom of the screen is folded over the top half.

If you can get into the menu set up you can try and change scan settings and adjust them so that :-

1. The screen is moved down so that the bottom of the fold-over is at the bottom of the screen and the top of the windows screen is at the top (it is missing on the photo).

2. Adjust the vertical scan rate to resolve the fold-over problem.


Otherwise it needs fixing by a TV engineer that can fix monitors as the adjustments are inside.

Mar 19, 2015 | Computers & Internet

1 Answer

Top worked fine yesterday but today tried to let down only clicked


It is a hydraulic pump that applies pressure to the 2 hydraulic pistons to raise & lower the top. So, check for something obstructing movement first.

The convertible top:
  • is motor-driven.
  • requires parking brake engaged to complete circuit for operation.
  • is equipped with a back window glass (42006) . The back window glass is permanently attached to the folding top back window curtain (52500) and cannot be opened.
--------------------------------------------------------------------------------------------------------------------------
VISUAL INSPECTION CHART Mechanical Electrical
  • Damaged fluid reservoir.
  • Damaged folding top hydraulic cylinders .
  • Damaged folding top motor upper and lower hose .
  • Damaged convertible top regulator.
  • Parking brake not engaged.
  • Open power distribution box circuit breaker CONV TOP (30A), fuse junction panel Fuse 1 (15A).
  • Circuitry open/shorted.
  • Damaged convertible top switch.
  • Damaged raise/lower relay .
  • Damaged folding top hydraulic lift motor and plate kit .


  • Convertible Top Does Not Raise/Lower
  • Open circuit breaker or fuse.
  • Circuitry open/shorted.
  • Damaged folding top switch.
  • Damaged raise/lower relay .
  • Damaged folding top hydraulic lift motor and plate kit .
  • Parking brake not engaged.


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Jun 29, 2011 | 1998 Ford Mustang

1 Answer

Toshiba 32A50 The horizontal scan lines seem to roll off the top of the screen and fold back down like the guns don't know where the top of the tube is anymore, just started about two months ago. Any...


There are 2 or 3 filter capacitors found near the vertical IC on the printed circuit board. One of them is likely defective. It would be a relatively inexpensive repair at a repair shop. The filters cost $1 each at most.

Jan 04, 2011 | Toshiba 32A50 32" TV

1 Answer

How do you get the top down on 90 convertible


To lower the top. 1) open the drivers door and under the fiberglass cover there is a lever that will release the two pins that hold the rear cover down. 2) lift up the rear window part of top and reach under again to press button that will release fiberglass cover. ( there is also a button on the passenger door which is visible with the door open.) this is a electric relay switch which will produce a clicking sound and top will come up. 3) release the two levers on the front of the cover by pulling toward you. 4) fold cover in compartment and fold levers back to folded position.

Jun 20, 2009 | 1990 Chevrolet Corvette

1 Answer

Video folding over


I don't have a print for this set, but vertical issues have been common on these. Here's what you need to replace to restore the vertical:

IC421 (LA7832), D422 (MTZJ75-T2), D541 (RGP90J-5025-T3), R541 (1.8/2 W), C424 (100uF/35V) and C425 (470uF/35V)

May 25, 2009 | JVC Televison & Video

1 Answer

I can't fold the buggy down!


First you need to make sure that the handle bar is in the top most position. Next the Front wheel needs to be turned sideways as you begin to lower/fold the buggy.   You must also watch the basket part so that it folds up and in so that it doesn't get stuck. I usually will also fold it forward and down so that I know the wheel and basket are in the right position.  When it is finally down it should clip into place. Hope that helps a little. :)

May 16, 2009 | Phil & Teds E3 Jogger

1 Answer

Panasonic tv has white lines at top of screen


suspect it's 1 or a couple of bad capacitors in the vertical deflection circuit the caps are in the 400 series, c400,c401,c402, etc... check or replace c414,c418 & c417

Aug 30, 2006 | Panasonic CT2722H TV

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