Question about Hitachi 50V710 50" Rear Projection HDTV-Ready Television

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My 50v710 will not power up at all. it does not even go into the diagnostic mode to give me a code thru the led's on the front. The bulb is good and the two safty switchs that are behind the bulb and at the bulb replacmrnt panel are depressed. All fuses look good and I see no signs of burnt or leaking parts. I am getting power too the first power board but nothing from the brown and white wires running to the smaller board that connects to the ballast board any ideas or does anyone know where to get a service manual for this that I dont have too pay for. I just had a son so money is tight I cant afford 9.99 hell I cant afford .99 thanks for any help

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Sounds like you may have a bad power supply board. You can find a service manual at http://www.techlore.com/. Go about half way down the page and to the right and I think it says get manuals. Click on that and I think they have a free one. You may have to join the site to get it be its free to join. Hope this is helpful.

Posted on Nov 14, 2009

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Posted on Jan 02, 2017

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I have a 92 nissan stanza ex. Need to know the location of the diagnosis control unit is.


Oh boy, you are in for a learning curve. I spent the better part of a year getting to know the Nissan system of computer controls, diagnostic procedures, everything about Sentras from the mid eighties to the mid nineties. Your Stanza is very similar, fortunate for you to have a '92 with somewhat more sophisticated controls than my primitive '87 model. I even had to deal with a computer controlled carburetor-more headaches than I care to recall.

First, Jack, you have to find the computer, which is the diagnostic unit and the little LED light or lights on it are the blinkers that blink out the trouble codes. The computer on mine is under the passenger front seat. If not there, it will be behind the glove box or in the center console. So you locate it and set it in mode 4- for code read outs. That is the diagnostic mode. There are 5 modes, you can read the short paragraph about it in the link I will give. It's really easy, there are only 16 codes in all. Here is the link with all details and short description of codes.
http://www.2carpros.com/articles/nissan-obd1-diagnostic-trouble-codes-and-retrieval-procedure-1984-to-1994

Sep 23, 2015 | Nissan Cars & Trucks

1 Answer

Yellow blinking light . what does it mean


A blinking yellow for this model indicates the TV is too hot, unplug & allow 30-45 min to cool before re-plugging .
OR: lamp not installed or lamp door not closed. there is a lamp door switch that may not be closing, simulating door not closed


LED Indications

The front panel Status LED provides an indication of

the set's operation and the possible cause of a malfunction.

If an abnormal condition is indicated, perform the

Self Diagnostics procedure.

Self Diagnostics

To activate, press the front panel <ACTIVITY> &<CH

??> buttons at the same time and hold for 5 seconds.

The STATUS LED will then flash denoting a two digit

code.

• The number of flashes indicates the value of the

MSD (tens digit) of the Error Code.

• The flashing then pauses for approximately 1/2

second.

• The LED then flashes indicating the value of the

(ones digit) of the Error Code.

• The Error Code is repeated a total of 5 times.

Example: If the Error Code is "23", the LED

will flash two times, pause, and then flash three

times.

Table 2-2: LED Indications

Error Codes, descriiptions and the most likely cause of

the error are listed in Table 2-3.

Note: The TV must be in "Shut Down." The LED

will probably be indicating an abnormal

condition. If the TV is switched Off, AC is

removed, or a System Reset is performed, the

code automatically resets to "12" No Error.

See the Error Code Log to retrieve a history of

errors.

Note: Use the front panel buttons, not the remote

control.

Note: If there is no response, the front panel may be

locked by a V-Chip setting. To unlock, press

and hold <ACTIVITY> on the front panel for

8 seconds.

LED Indication Condition

Off Off (standby)

Green Power On

Slow Blink Green Power Off with Timer Set

Fast Blink Green (80 seconds) > Off Power Off (Cooling fan still working, 80 sec)

LED Indication Condition

Red Lamp Failure

Yellow TV Too Hot

Slow Blink Red TV May Require Service

Slow Blink Yellow Lamp Door Open or No Lamp Installed

NORMAL INDICATIONS
ABNORMAL INDICATIONS (For details perform Self Diagnostics Procedure.)

Jul 07, 2014 | Mitsubishi WD 65837 65 in. HDTV

1 Answer

How do you know if computer on front load washer is broken


It would either give you a an error code like F1 or the unit would have no power going to the control unit and you would have no led's lit up on the control itself. If you have any further questions message me back you can also put your unit into diagnostic test mode by clicking this link which tells how to acess the diagnostic menu http://www.ehow.com/how_5545508_access-error-codes-ge-washers.html I await your reply If you have any further questions Thanks Rick

Jun 11, 2011 | GE Washing Machines

1 Answer

Need trouble shooting proceedure to enter self diagnostics for maytag neptune


From the service manual there is more to it but that was all I could put here.
Accessing Service/Diagnostic Mode:
Pressing down the damp dry and time (-) keys
for 5 seconds places the machine in the
diagnostic mode.
SPECIAL TESTS
The following table lists the various tests
available while in the Service Mode, which
can be accessed by pressing the following
keys:
Press Keys Special Test/ Function
wrinkle
release Diagnostic Codes
dryer
temp(^ )
Sequences up the
help/diagnostic code list
dryer temp(v) Sequences down the
help/diagnostic code list
time (-) Displays Software Revision
Number
very dry(< ) View current cycle
temperature (Co)
start/pause
Start or pause cycle running
but remain in Diagnostic
mode
Accessing Diagnostic Codes
After the machine is in the diagnostic mode,
a ‘d’ will display and let the technician know
they are in the diagnostic mode. Pressing the
wrinkle release key will access the diagnostic
codes.The diagnostic codes can be viewed by
using the temperature (^) & (v) keys.
The down arrow key will sequence down the
list one each time it is pushed with no wrap.
The first time the down arrow key is pushed
the display will sequence to the next code
logged. The last code being displayed being
the oldest code. The up arrow will sequence
up the list one code each time it is pushed
until it reaches the top code. If there are no
diagnostic codes available, ‘00‘ will be
displayed for the diagnostic code.
There will be no multiple occurrences of
either a diagnostic code or help code generated
in the same cycle reported on the list.
But if the same code occurs in repeated
cycles, it will be registered.
To clear the diagnostic code list press
wrinkle prevent and very dry (>) for 5
seconds while viewing the list.
System Check Mode
While in diagnostic mode, pressing the damp
dry
and signal (+) keys for 2 seconds, will
put the dryer into the system check mode.
"SC" will display.
This mode will allow the various inputs and
outputs to be controlled and viewed by the
technician by pressing individual keys. If no
activity is seen for 5 minutes after a key is
depressed, the control will reset back to the
normal mode. If no further activity is seen
after an additional 5 minutes the washer will
turn off. The following table lists the various
functions based upon on keys being depressed.
Membrane Pad Check
While in system check mode, pressing the
damp dry and sensor dry keys for 5 seconds,
will start a membrane pad switch test.
The membrane check involves turning all the
embedded LED on the membrane pad on.
All the LED’s can be toggled off by pressing
the key associated with the LED. To exit the
test at any point, press the damp dry (>) &
sensor dry keys again for 5 seconds or press
the off key to exit diagnostic mode.
Key Pressed: Function Performed
sensor dry
Enable sensor dry circuit.
(sense dry LED) When short
circuit is detected across the
sensor bars the normal dry
LED will turn on.
start/ pause
Cycles the motor relay
on/off. When the motor is
running the start/pause LED
is on.
dry temp(^ )
If motor is running, cycles
the heater/gas valve on/off.
When the heater is regular
temp LED is on.
very dry(< ) View current cycle
temperature (Co)
www.appliancehelponline.com

Mar 26, 2010 | Maytag Neptune MDG5500AW Gas Dryer

1 Answer

My Fisher paykel dryer does not heat


Thermostat Cutout – Manual Reset (Electrical)
Type SPST 30 Amps/240 Volts AC
Trip Temperature 212°F (100°C)
Diagnostic Mode
Entering the Diagnostic Mode
(a) Turn the power supply to the dryer on.
(b) Press and hold the Auto Dry down button, then press the Power
button.
The dryer is now in level 0 of the diagnostic mode. After initial entry into the
diagnostic mode, the Start/Pause button operates the dryer as normal. Press
the Auto Dry up or down buttons to scroll through the fault levels.
There are several levels of diagnostics, most of which are used in
development and production. These levels may bring on various LEDs, but
the level of use for the service technician is that of the last fault.
Last Fault
To enter the last fault diagnostics, enter the diagnostic mode as described
above, then press the Auto Dry up button three times. The last fault will be
displayed on the drying progress LEDs
Conductivity Contact Impedance Check
To enter the conductivity contact impedance check, enter the diagnostic mode
as described above, then press the Auto Dry up button five times. In this
mode, touching damp clothes or fingers across the conductivity contacts will
cause the LED display to change. If the contacts, or the harness to them,
have gone open circuit, no change will occur in the LED display. This is a
useful method of checking the integrity of the sensor circuits.
To exit the diagnostic mode, press any cycle button.
Entering the Data Download Mode
(a) Turn the power supply to the dryer on.
(b) Press and hold the Auto Dry down button, then press the Power
button. This enters the diagnostic mode.
(c) Press the Regular button.
Encoded data is transmitted serially out the red Auto LED, and is be captured
by an optical download pen attached to a PC where “Smart Tool” software
interprets the data to aid servicing.
To exit, press the Regular button.
Entering the Showroom Mode
(a) Turn the power supply to the dryer on.
(b) Press and hold the Air Dry button, then press the Power button.
The LEDs will flash in a random sequence.
To exit, turn off the power supply to the dryer at the wall.
Tell me what sort of faults codes you can come up with and I will tell you what it means but in the meantime reset the limit and clean out the lint problem, open the stopped up vent. That dryer has to breath or that safety will kick out again. I have the manual

Sep 05, 2009 | Fisher and Paykel DEGX1 Electric Dryer

1 Answer

SAMSUNG TXS3082WHX/XAA Won't Turn On


All of these tv's are board replacement only the individual parts are not available. The boards can cost anywhere form $200 - $400 each. Even if you do it yourself it is still an expense, if you get the blink code i can point you to the correct board. These sets have different boards even within the same model range. One of the first diagnostics is does the back light come on, if not then you either have a balancer error or a bad bulb in the panel. Why i suggest this is because it is the most common problem. If it is the bulb in the panel you have to replace the whole panel, the bulbs are not available as an individual part.

Sep 02, 2009 | Samsung TX-R3080WH 30" TV

2 Answers

50v710 turns off by itself then on


Have you check the power supply,that's what it seems to me.

Jun 29, 2009 | Hitachi 50V710 50" Rear Projection...

1 Answer

My Hitachi 50V710 has both indicator lights blinking and does not display any image. Temp LED and Lamp LED. But I hear the fan running and the lamp is the same I've always had. Whats wrong?


With both LED's flashing sounds like a bad lamp to me. Not uncommon for Hitachis LCD projections to have that symptom. Cjeck your owners manual for the light flash code. Good luck..

Jun 20, 2009 | Hitachi 42V710 42" Rear Projection HDTV

1 Answer

KDS-60A3000 new bulb gets 6 flashes of red led


Please put back lamp (bulb) cover properly and check as lamp cover is open/ not fixed or improper fix is also cause of LED flashing.

Jan 08, 2009 | Sony KDS-60A3000 60" HDTV

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