Question about JVC GM-V42 42 in. Plasma Television

2 Answers

GM-V42S self diagnosis: on the panel frame externally, top red LED flashing, middle and bottom red LEDs steady on - indicating abnormal temperature rise in power supply part. When power is turned on the following sequence of events is observed: green LED (LED8003) on the SMPS PW board (LJ44-00069A) lights up a bit later the other two green LEDs (LED8001 and LED8002) also light up a few seconds later LED8002 goes out and simultaneously red LED (LED8004) turns on a few seconds later LED8001 goes out, leaving only LED8003 and LED8004 staying on Do these on-board diagnostic LEDs indicate an SMPS fault? The JVC service manual has no information at all on the SMPS PW board assembly (LJ44-00069A) or the Video SMPS PW board assembly (LJ44-00050B). Every fuse is serviceable and there is no sign of overheated components or leaking/bulging electrolytic capacitors.

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  • matstar189 Nov 09, 2010

    JVC plasma models GM-V42PCE, GM-V42PCEB,
    GM-V42PCEG, GM-V42S,GM-V42UB and GM-V42UG all share the T4 chassis. The SMPS board in my GM-V42S (LJ44-00069A) has the equivalents LJ44-00053A and LJ44-00053B, so information on these SMPS PWBs may be relevant. The fault codes I described must contain some diagnostic information and explained in some JVC service manual. The question is whether this information can be found somewhere and whether the symptoms clearly indicate an SMPS assembly fault. This board is available for around USD 120 (AUD 730 here in Australia), which would be a reasonable spend, if the fault is in fact in the SMPS. The tv is four years old and worth salvaging, if fixable at a reasonable cost. The ultimate solution of course is buying a new tv - a defeatist fix...

  • matstar189 Nov 09, 2010



    Thanks Greg for the useful advice you provided in the FixYa forum.

    After a lot of searching I found and bought the JVC Plasma Display Monitor GM-V42PCE, GM-V42PCEB, GM-V42PCEG, GM-V42S, GM-V42UB, GM-V42UG Service Manual on line. It contains a lot of detailed information; however, the SMPS and video SMPS boards do not get a mention at all. Possibly because these modules may have been made by Samsung.

    Based on your latest advice, I will contact JVC Australia, not expecting anything useful from them. Seems it


    Thanks Greg for the useful advice you provided in the FixYa forum.

    After a lot of searching I found and bought the JVC Plasma Display Monitor GM-V42PCE, GM-V42PCEB, GM-V42PCEG, GM-V42S, GM-V42UB, GM-V42UG Service Manual on line. It contains a lot of detailed information; however, the SMPS and video SMPS boards do not get a mention at all. Possibly because these modules may have been made by Samsung.

    Based on your latest advice, I will contact JVC Australia, not expecting anything useful from them. Seems it

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This isn't much help,sorry.I searched all over JVC home page and could not find any mention of a plasma TV,or your model number.If everything is posted correctly,it doesn't appear that they have anything left for plasma and they are slowly disappearing also by everyone.I do not know how this site works as far as extra charges or not,or whether they get paid no matter what,but whether or not you approve my solution is fine with me.This site is quickly disappointing me and I see complaints all the time.LCD TV's are proving to be better designed and more reliable than plasma.Most of the circuit boards I have looked up for this size TV are $300+.With the holidays coming up,economists are predicting excellent sale savings due to overstock.This is common with newer technologies.Prices start high,come down as time passes,then when just about everyone has what they need,the manufacturers do not know enough to produce less and there is massive flooding of the item.You probably should just get a new one.We bought a brand new 42" over the summer for about $650.That there is 2 circuit boards.The better brands are LG,Samsung,perhaps Panasonic,JVC,and Phillips,maybe Vizio.I never see Vizios posted here and rarely see the first 2.Please do not buy an Olevia or an Akai or other off-brands.I see constant problems with those 2 in particular.Something you want to look for is a dynamic contrast ratio between 60,000:1 and 150,000:1 with 1080p.Any ratio bigger or smaller either isn't as good or is unnecessary as far as picture quality.Also,never buy a display model.The discount they give seems like a deal but what the TV has already endured is not even close to worth it.Also,if the TV does not come with it's own cleaning cloth,it is best to use one for a flat screen.You always dust it dry and rarely use maybe a little water,as pure as possible,to clean the screen.If you really want to pursue repair on your plasma,here is the link to JVC.Plasmas have gotten somewhat better.If yours is older than 5 years,it is pretty much obsolete.The technology is moving faster than computers did.If you need any more help,here I am. gmccarthy86 hotmail Good luck,Greg

http://support.jvc.com/consumer/support/index.jsp

Posted on Nov 08, 2010

  • 1 more comment 
  • Greg McCarthy Nov 09, 2010

    I realize that the LED light sequence probably does mean something but either a shop,or JVC,or a repair manual would have the information.There are no REPAIR manuals downloadable for free for TV's due to copyright laws,here at least.There are all kinds of USER and OWNER manuals for free online but the diagrams which are only in the repair manuals for the circuitry takes alot of time and money just to produce the original.A service manual is basically for how to keep your TV clean and protect it from damage,wear and tear.Also,just because a circuit component doesn't look bad means nothing.For one thing,resistors when not operating and are cold,have a value about 20% less than it is when the TV is on and running.Capacitors build up a charge and release it when the condition is correct.Without a schematic,you can not accurately determine what power you should be seeing in each point unless you do the math for the entire circuit.Also,there are all kinds of crazy waveforms found throughout the circuit.Without the manual,you have no idea if what you find is correct.If you want to,I can send you a diagram of one I am currently working on with someone and you will see what I mean.Here is a link to JVC assistance in AU.You could try contacting them about the LED sequence and see what they have to offer.Good luck,Greg
    It's in black,the link won't work.I googled JVC Australia and it gave a couple of different contacts. http://www.jvc-australia.com/JVC/client/... Us Page

  • Greg McCarthy Nov 09, 2010

    You are quite welcome.Figures with the current trade agreements,1 brand has different company boards and pieces all clumped together.It is pretty ridiculous.I hope you do get an inexpensive fix though.For how good these are supposed to be,they sure aren't lasting anywhere near the older styles.It is very disappointing.I have a CRT which is almost 20 years old.Greg

  • Greg McCarthy Nov 09, 2010

    Also,after initial replies,everyone's comments seem tohave a character limit so your last post was cut off.This site is making constant changes and not for the better.GL

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May be you have missed something? can you pleas upload the service manual to a filehosting site such as mediafire.com and get me the link so that I can have a look?

Posted on Nov 09, 2010

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My 73" mitsubishi dlp WD-73827 turns off and has a red status light blinking. I have replaced the bulb and the heat sensor... any answer to what else could be the problem?


It is helpful to have the sequence of the blinking red light. This may help:

MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927

Page 43

3. Error Code Operational Check

Note: The TV must be in "Shut Down" and not have been switched Off, to perform the Error Code Operational

Check. When the TV is switched Off, the code automatically resets to "12" No Error.



Pressing the front panel "DEVICE" and "MENU" buttons at the same time, and holding for 5 seconds,

activates the Error Code Mode. The LED flashes denoting a two digit Error Code, or indicating no problem

has occured since the last Initalization.



Note: The front panel buttons must be used, NOT those on the Remote Control.



• 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 LSD (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.



4. Error Codes

The Error Code designations indicating malfunction, or no malfunction, are listed below:

POWER

LED

STATUS

LED

LAMP

LED

Power

Status Condition

Off Yellow Off Low

Power Excess heat. Check Lamp Filter

Off or On Off Yellow No

change

120w usage time over 7000 Hrs.

150W usage time over 3500 Hrs.

Off Off Blinks

Yellow

Low

Power Lamp Cover open

Off Blinks

Yellow Off " Filter Cover Open

Off Off Red Stby Lamp did not turn On

Off Blinks

Red Off Low

Power Fan Stopped

Off Red Off " Circuit failure (short or DVI

connector unplugged)

Abnormal LED Indications

Error Codes "DEVICE" & "MENU"



Error Codes Description



12 No error detected

22 Recovery from Reset

32 Lamp cover is Open

34 Lamp abnormality

35 DM Fan failed (Chassis Fan)

36 Exhaust or Lamp Ballast Fan failed

37 DMD Engine Fan failed

38 Lamp temperature abnormally high. Remove Lamp to check filter.

39 DMD temperature abnormally high

41 Short is detected (Standby Power Supplies)

42 Lamp Fan failed

44 DVI cable between Format and Engine disconnected

46 DMD Temp. Sensor not detected (check DT connector))

47 DM Temperature too high

48 Engine power supply short detected

51 Speaker Drive circuit short detected

52 HDD excess temperature (V30+ & V31 only)

55 HDD Fan Stopped (V30+ & V31 onlyt)

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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.)

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A/C runs fine for 7-8 minutes, then shuts off.


AHX18MEV
4 - 12
[8] SELF-DIAGNOSIS FUNCTION
1. Indoor unit
(AH-X18MEV, AH-X18MEV-1, AH-X24MEV, AH-X24MEV-1)
To display the self-diagnosis, hold down the AUX button for over 5 seconds on the indoor unit when the indoor unit is not operating.
• The operation lamp (red), timer lamp (orange) and Super jet lamp lighter) flash to indicate the information of malfunction.
(Display of self-diagnosis result)
The operation lamp (red) and the Super jet lamp (green) flash in synchronization with the timer lamp (orange).
(AH-XP18MV, AH-XP18MV-1, AH-XP24MV, AH-XP24MV-1)
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error (-number) alternately in 1-second intervals.
Example: Compressor high-temperature error
Remark

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It shuts off and blinks 11


AHX18MEV
4 - 12
[8] SELF-DIAGNOSIS FUNCTION
1. Indoor unit
(AH-X18MEV, AH-X18MEV-1, AH-X24MEV, AH-X24MEV-1)
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• The operation lamp (red), timer lamp (orange) and Super jet lamp lighter) flash to indicate the information of malfunction.
(Display of self-diagnosis result)
The operation lamp (red) and the Super jet lamp (green) flash in synchronization with the timer lamp (orange).
(AH-XP18MV, AH-XP18MV-1, AH-XP24MV, AH-XP24MV-1)
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Remark

3. CHART
<INDOOR UNIT> ?:1-second ON / 1-second OFF
Problem
symptom
Outdoor
unit indication
(LED1)
Indoor unit Malfunction
No.
Content of diagnosis Check point Action
Lamp Main Sub Main Sub
Normal
condition
Normal
blinking
? ? ? ? ? Timer (Orange) 0 0 Normal
Operation (Red)
Super Jet (Green)
Indoor and
outdoor
units do not
operate.
1-time ? ? ? ? ? Timer (Orange) 1 0 Outdoor unit
thermistor
short-circuit
Heat exchanger
thermistor short
circuit error
(1) Measure the resistance
of the outdoor
unit
thermistors.
(1) Replace the outdoor
unit thermistor
assembly.
? Operation (Red)
Super Jet (Green)
? ? ? ? ? Timer (Orange) 1 Outdoor temperature
thermistor
short circuit error
(2) Check the lead wire
of the outdoor unit
thermistor for torn
sheath and shortcircuit.
(2) Replace the outdoor
unit thermistor
assembly.
? Operation (Red)
? Super Jet (Green)
? ? ? ? ? Timer (Orange) 2 Suction thermistor
short circuit
error
(3) No abnormality
found in above
inspections (1) and
(2).
(3) Replace the outdoor
unit control
PWB assembly.
? Operation (Red)
? Super Jet (Green)
? ? ? ? ? Timer (Orange) 3 2-way valve
thermistor short
circuit error
? Operation (Red)
? ? Super Jet (Green)
LED1
AU-X24MV, AU-X24MEV
AU-X18MV, AU-X18MEV
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Sony bravia KDF-50E2010 RED LIGHT FLASHES 4 TIMES THEN 3


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1 Answer

Tv desn't turn on,power light just flashes ten times and then stops and then again


Error Indication Information
Error No. Error Information ERROR DESCRIPTION LAMP LED OSD LAMP OFF
(Note 3) (Note 4)
POWER LED TEMP LED
Note:
1.When any of the above errors has occurred, the LED will flash as shown above every 5 seconds.
2.When two or more errors have occurred at the same time, the LED will light up or flash as shown above, and then
change to another every 5 seconds in turn.
3.Warning OSD appears when the Air Filter is clogged 90%, accumulated operation time of the Lamp reaches 5000 hours,
or accumulated operation time of the Air Filter reaches 400 hours.
4.LAMP OFF: The LED will flash right after the Lamp goes off.
5.IC2301 is mounted on LCD Main C.B.A. which is included in the Projection Unit.
6.IC6001 is mounted on TV Main C.B.A.
Clogged air filter
more than 90%
15)
16)
17)
18)
1)
2)
3)
4)
5)
6)
7)
11)
8)
9)
10)
12)
13)
14)
- flashes 5 times -
every 5 seconds
IC2301(pin82) detects the clogged air filter, then indicates the
error when the air filter is clogged 90%.
Front Fan stop or
Lamp Fan stop
flashes orange
once every
5 seconds
- -
IC2301(pin12) detects the Front FAN stop or Lamp
FAN stop, then indicates the error when the Front FAN
or Lamp FAN is stopped.
Lamp Cover open
Temperature Sensor
short or open
flashes orange
twice every
5 seconds
flashes orange
3 times every
5 seconds
flashes green for
140 seconds.
flashing red for
60 seconds.
light up red.
flashes once
every 5 seconds
flashes once
every 5 seconds
flashes red for
10 minutes
flashes once
every 5 seconds
-
-
-
-
Abnormal
Temperature
flashes twice
every 5 seconds
flashes twice
every 5 seconds
- -
Request for Lamp
Replacement - - lights up
Power Ballast Error
(abnormal
Lamp voltage)
- -
flashes 3 times
every 5 seconds
Power Ballast Error
(abnormal
temperature)
- -
flashes 4 times
every 5 seconds
Power Ballast Error
(other causes) - -
- -
Request for Filter
Cleaning -
Abnormal Voltage
on 16 V line of
LCD Main C.B.A.
-
flashes twice
every 5 seconds
flashes twice
every 5 seconds
Abnormal Voltage
on 14 V line of
LCD Main C.B.A.
-
flashes 3 times
every 5 seconds
flashes 3 times
every 5 seconds
Abnormal Voltage
on 7 V line of
LCD Main C.B.A.
-
flashes 4 times
every 5 seconds
flashes 4 times
every 5 seconds
IC2301(pin76) detects the Lamp Cover Unit condition
(open or close), then indicates the error when the
Lamp Cover Unit is open.
IC6001(pin85) detects the Duct FAN stop, then
indicates the error when the Duct FAN is stopped.
IC2301(pin74 and 75) detects open or short of the Temperature
Sensor (R2911) on Front Thermistor C.B.A., then indicates the
error when Temperature Sensor is open or shorted.
(The error is not detected for 1 minute after Lamp ON.)
IC2301(pin74 and 75) detects the temperature attached near
the Front FAN by the Temperature Sensor (R2911) on Front
Thermistor C.B.A., then indicates the error when the
temperature becomes more than 43 C (109 F).
(The error is not detected for 1 minute after Lamp ON.)
IC6001(pin86 and 87) detects open or short of the
Temperature Sensor (R2901) on Lamp Thermistor C.B.A.,
then indicates the error when Temperature Sensor is open or
shorted.
(The error is not detected for 4 minutes after Lamp ON.)
IC2301(pin74 and 75) detects the temperature attached near
the Lamp by the Temperature Sensor (R2901) on Lamp
Thermistor C.B.A., then indicates the error when the
temperature becomes more than 60 C (140 F).
(The error is not detected for 4 minutes after Lamp ON.)
IC2301(pin11) detects the error of LCD Power C.B.A.,
then indicates the error when the temperature fuse
(117 C)(243 F) in LCD Power C.B.A. is open.
IC2301(pin11) detects the error of LCD Power C.B.A. and Lamp,
then indicates the error when an inner malfunction of LCD Power
C.B.A. occurs, the Lamp voltage becomes more than 130V or
less than 30V, Lamp current becomes more than 5A, or the Lamp
is cracked.
IC2301(pin11) detects the error of the Lamp, then indicates the
error when the Lamp is short-circuit.
IC2301(pin48) detects +16V line voltage on LCD Main
C.B.A., then indicates the error when the voltage
becomes less than +13V.
IC2301(pin47) detects +14V line voltage on LCD Main
C.B.A., then indicates the error when the voltage
becomes less than +11V.
IC2301(pin45) detects +7V line voltage on LCD Main
C.B.A., then indicates the error when the voltage
becomes less than +5.7V.
IC2301(pin44) detects +3.3V line voltage on LCD Main
C.B.A., then indicates the error when the voltage
becomes less than +2.5V.
flashes 3 times
every 5 seconds
flashes 4 times
every 5 seconds
Abnormal Voltage
on 3.3 V line of
LCD Main C.B.A.
-
-
-
- flashes 5 times
every 5 seconds
Forced cooling
The failure of Lamp
light up
-
Temperature Sensor
short or open
-
-
Abnormal
Temperature
Duct Fan stop -
When accumulated operation time of the the Lamp reaches
5000 hours, OSD (replacing the Lamp) appears on the screen.
Note: The Lamp time is stored in EEPROM (IC2305).
When accumulated operation time of the Air Filter reaches 400
hours, OSD (cleaning the Air Filter) appears on the screen.
Note: The Filter time is stored in EEPROM (IC2305).
During forced cooling, this indication is indicated.
IC2301 (pin11) detects the failure of light up processing of
the Lamp, then the POWER LED is changed as follows.
1) POWER LED flashes green for 140 seconds (while turning on).
2) POWER LED flashes red for 60 seconds (while cooling).
3) POWER LED lights up red (standby).
Note: If the Lamp will not light after attempting turning on the
power 2 or 3 times, the Lamp, the LCD Power C.B.A. or the
LCD Main C.B.A. may be defective.
Error Symptom Problem Possible Solutio

May 30, 2010 | Panasonic Viera TH-50PX80U Plasma TV

1 Answer

The front LED flashes red & blue when I turn it on. What does this mean?


LED Indicators - LaCie 2big Network
The LED indicators above the drive bays and the front LED indicate drive status and activity.
During Startup
  • Front LED – blinks red/blue until both disks are powered on, then turns solid blue.
  • Rear LEDs – blinks red/blue until corresponding disk is powered on, then turns solid blue.
NOTE: If the device is not able to initiate the boot process following disk startup, the front is solid red.
During Bootup
  • Front LED – solid blue
  • Rear LEDs – solid blue
NOTE: If a disk is failing, both the disk’s corresponding rear LED and the front LED will be solid red.
During RAID Synchronization
  • Front LED – solid red
  • Rear LEDs – The LED corresponding to the original disk will be blinking blue and the one being synchronized is blinking red
  • Once both disks are synchronized, their corresponding rear LED and the front LED will be solid blue.

Apr 06, 2010 | LaCie 2 TB 2big Triple Interface External...

1 Answer

No picture


That indicates an abnormal temperature rise in the power supply. These plasma TVs are board replacement repair only. The power supply board seems most likely would have to be replaced. I hope you have warranty coverage. It could get quite expensive to fix.

C-Dog

Jan 19, 2008 | JVC GM-V42UG 42 in. Plasma EDTV

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