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I need a printed circuit for my philips hq5890/01

Does not charge.may be the printed circuit is fault

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Why my dvd player by Philips model number pet702p/37 want charge when I plug it in the red light comes on and goes out after a few minutes but it won't charge what do I need to do


The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time.

Sep 27, 2016 | Philips Televison & Video

1 Answer

Philips 42pfl3704d/f7 wont turn on after power surge


Fault in the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

May 08, 2015 | Philips Televison & Video

1 Answer

Philips 20PT5441


There is a short circuit with the internal circuit. To locate the fault is a skilled work, especially to Philips set, which have so many protection circuits linked with it. Contact any experienced service technician. This is not a user repairable work.

Dec 30, 2012 | Philips 20PT5441 TV

1 Answer

Philips MCD702 Shelf System no sound


It is possible that the amplifier had encountered a fault with a higher current drain which had triggered it to a protection fault condition. The fault can be with your output drivers. Please check for short on the outputs fitted for both the channels. Use a meter after disconnecting to check for short in the drivers. Disconnect the positive and negative voltages to the output and see if the protect changes. Even a fault in the preamp stages that drives in high current into the output can shut the Amplifier. Sometimes this can be a noise which can be a HUM or HISS before the protect works. Faulty capacitors in these circuits also can cause similar issues and needs close observation.You need to confirm and replace the specific stages or outputs. If not there can be issues in the mother board. Maybe the protect circuit by itself is shutting off due to a faulty bias or there is a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, if the amplifier comes out of the protect mode then check for short on the speakers.

Jun 26, 2012 | Philips MCD702 Shelf System

1 Answer

Philips HTS3500S System power


It is possible that the amplifier had encountered a fault with a higher current drain which had triggered it to a protection fault condition. The fault can be with your output drivers. Please check for short on the outputs fitted for both the channels. Use a meter after disconnecting to check for short in the drivers. Disconnect the positive and negative voltages to the output and see if the protect changes. Even a fault in the preamp stages that drives in high current into the output can shut the Amplifier. Sometimes this can be a noise which can be a HUM or HISS before the protect works. Faulty capacitors in these circuits also can cause similar issues and needs close observation.You need to confirm and replace the specific stages or outputs. If not there can be issues in the mother board. Maybe the protect circuit by itself is shutting off due to a faulty bias or there is a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, if the amplifier comes out of the protect mode then check for short on the speakers.

Oct 12, 2011 | Philips HTS3500S System

1 Answer

Philips 14pt1686/05s Distorted audio


Hello
Distroted sound may due to some fault in the speaker or its ouput stage inside your TV. You jsut open your TV and unsolder the wires from speaker, and solder it to an other speaker and see whether the sound is normal or not. If it is normal, you can make sure that the speaker of your TV has damaged.
Other reason is of some fault in the output section of your TV, which is integrated on its circuit board. You just locate the audio output section on the circuit board. it will be an Ic that drives the speaker. It can be located very easly following the speaker wires. usually it is screwed on to a metal plate, and will have a number printed on it. Sometimes there may be some bad solderings on its leg solderings. You just resolder all the pins of that Ic by applying a little more solder to its points, and see the effect.
If this cannot rectify the problem, just resoder the Ic out from the cirtuit board, and go for a same type and number. Replacing it will solve your problem. Ok

Nov 14, 2010 | Philips 14PT1686 14" TV

1 Answer

I get protect audio off when I turn it on


Hello,

Usually a protect fault will indicate a bad transistor in the amplification section. I suspect that the control circuit is sensing a fluctuation in the power supply and going in to protect mode. (assuming that the protect circuit itself is working properly) If a voltage is too high the unit will go in to protect mode to prevent damage to the speakers and the rest of the unit. I would take the unit in to a local repair shop and get a estimate of repair charges. Expect a 60 to 80 dollar repair charge depending on how many parts need to be replaced and what the repair labor rate is in your area.
Take care.....

Oct 01, 2010 | Philips Magnavox MRD500VR System

1 Answer

1990 Voyager. Need code definitions from check engine light. Codes retrieved by turning key on 4 times and counting check engine light flashes. codes were: 12 41 25 55.


here you go hope it helps,dont forget to vote on answer thanks
88–95 3.0L (Except Monaco, Premier & Stealth),
3.3L, 3.5L & 3.8L Engines
11
Engine Has Not Been Cranked Since Battery Was Disconnected{4}
No Crank Sensor Signal During Engine Cranking{3}
12
Memory Standby Power Recently Lost
13
MAP Sensor Pneumatic Circuit
14
MAP Sensor Electrical Circuit
15
Vehicle/Distance Sensor Circuit
16
Loss Of Battery Voltage Sense
17
Engine Running Too Cool
21
Problem In Oxygen Feedback Circuit
22
Coolant Temperature Sensor Circuit
23
Charge Temperature Sensor Circuit
24
Throttle Position Sensor Circuit
25
AIS Motor Drive Circuit
26
Injector Current Limit Not Achieved
27
Injector Driver Interface Circuit{1}
Injector Control Circuit{2}
31
Purge Solenoid Circuit
32
EGR Diagnostics
33
A/C Cutout Relay Circuit Or A/C Clutch Relay Circuit
34
Fault In Speed Control Solenoid Driver Circuit
35
Fault In Fan Relay Circuit
37
Part Throttle Unlock Solenoid Driver Circuit
41
Fault In Charging System Or No Field Current
42
Fault In ASD Relay Driver Circuit
43
In Ignition Coil Control Circuits
44
Lose Of FJ2 To Logic Board
46
Battery Voltage Is Too High
47
Battery Voltage Is Too Low
51
Lean Condition Is Indicated
52
Rich Condition Is Indicated
53
Internal Problem In Module
54
Fault In Distributor High Data Rate Pickup Circuit{1}
No Sync Pickup Signal{2}
55
End Of Message
62
Unsuccessful Attempt To Update EMR Mileage
63
Fault Error{1}
Controller Failure EEPROM Write Denied{2}
65
Manifold Tuning Valve
66
CCD Bus System
77
Speed Control Relay Circuit

{1}—1988–91 models.
{2}—1992–95 models.
{3}—1990–95 models.
{4}—Neon.
If you need more just ask Thanks Db

Aug 18, 2010 | 1990 Plymouth Voyager

1 Answer

Hello, i have a 50 inch philips flat tv model # 50pf7320a/35. why is the screen half black?


Unfortunately, i have found in my experience is when this problem occours you need to replace the plasma panel, which can be a costly thing to do and takes a little bit of planned time. Other than that you can try to replace the X-sus printed circuit board or the Y-sus printed circuit board. Those two boards control the screen circuitry, Good Luck.

Sep 26, 2009 | Philips 50PF7320A 50 in. Plasma HDTV

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