Question about RCA F31672ET TV

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No Power RCA chassis CTC187CL

Dead set....I don't have schematic..what are PS common CK points? Where should the CPU 5v source be originated? If 5v present, is there a "jumper" option to start the HV? thanks Will

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  • RCA Master
  • 1,213 Answers

Find Capacitor C4127, this is a startup cap and will fail. Then check C4709, C4105[this one almost always goes bad] and C4404. These are good starting points. You will have to resolder the Tuner as it will coorupt your eeprom and can create a dead set. And inspect the pins a Regulater T4101 I beleive, for busted grounds. If this will not start the set you will need a new eeprom or the T4101 Regulator. The regulatore rarely goes bad in this TV!

Posted on Apr 29, 2010

  • matt martin
    matt martin Apr 29, 2010

    After replacing the capacitors mentioned and the Tuner reworked, [and this will have to be completed] and the TV will not come on, you will have to replace the eeprom PN#223957 and try to power the TV. If then it will not power up than the T4101 regulator is bad. Once again it is rare but occassionally the Regulator will go bad. It has been one of the most reliable power Regs made! In the long run you will have a TV with a long life ahead, money and time well spent. PS the Tuner resoldered is delicate work...be extra cautious or you may destroy your TV. Patience my friend!!!

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Onbord cpu running is nodisplay


Just after that there was NO correct answer to fix this problem causes the problem not solved even if it is marked as solved. Me too I have this problem, I was fix it by setting jumpers to default 60 Hz AC power because I won`t have 50Hz AC power or some AC power converter before PSU, I mean this is voltage errors, it`s need to be set to default +5V(60Hz) PSU not +5VSB(50Hz) PSU, (Step1) like might be set to USBPW12 to pin 3 both USB to right side inserted jumper it`s in left side of, near ATX 12v advanced CPU power cable connection socket. Next (step 2) is set up front USB jumpers to +5V or system won`t start up, it`s on motherboard about between PCI1 and PCI2 on right side it must be set to USBPW56 and don`t set it to USBPW78(5+VBS) because system won`t start up, the jumper must be set to right side I mean it`s last jumpers to right side need to be set up, because it`s +5V(60Hz) PSU supply. The USB wake-up feature requires a power supply that can provide at least 500mA on the +5VSB lead when these jumpers are set to +5VSB otherwise the system won`t power up. Next step if it still not starts up its BIOS fault, it`s easy to repair, just (Step3) turn off PC remove BIOS battery (it`s down to IDE cables), start it up wait a bit, then turn it off and turn it again on wait a bit again, turn it off place BIOS battery in to socket to be able save BIOS settings i mean battery is need to save them otherwise settings won`t be saved and Chassis will be broken. (Step 4) Turn PC on press del key after BIOS is load in open Power\Hardware monitoring\Chassis Intruder set to Disable, save settings exit. (Step5) If BIOS (PC won`t power up) it`s Chassis1 jumper fault, it`s need set to Default (Chassis signal, and GND(Ground)), it`s between SATA 2 and SATA1(Serial ATA connectors 7-pin it`s near and down to BIOS battery, the jumpers might be set to right side, after it`s completed repeat Step3 and Step4. CMOS is BIOS battery. If that all doesn't works Take BIOS clearing jumper in it`s clear state, near BIOS chip. Turn on PC with CMOS clear jumper turned on its work. Take beck jumper in its default state after that take bios chip out and CMOS battery out both them an two times restart PC after insert all beck if PC will be working all keyboard flashes once, after its in AC power.


Motherboard repaired67d71b-d21c-48d0-97bf-5dde5d3ad475.jpg

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Chassis repairchassis jumper-5boxao44tyyibn4n4kgpkgcb-1-3_1.jpg

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RCA, CRT Projection TV, ITC222 chassis Faults - models D52W.., D40W.., D56W..,...


RCA, CRT Projection TV, ITC222 chassis Faults - models D52W.., D40W.., D56W.., D61W..
· Symptom: No Convergence, Picture is bowed and distorted, colors don’t align.
The Fuse for the convergence power supply has blown
You'll also notice that the convergence settings have disappeared from the on screen menu. The fuse likely blew because of a fault on the convergence board. If you've never done soldering or dismantled a TV before this is probably not the best place to start. The back cover needs to be removed and the fuse (see picture) identified, the deflection/power supply board needs to be unplugged (label or mark all connectors beforehand) and flipped over and the fuse checked/replaced. You need a soldering iron and solder ****** or solder wick and a multi-meter to check the fuse. If you want to tackle it yourself see attached image for reference or get a quote from a repair shop (approx $200-$300 Total) the convergence board may also need repair.



  • Symptom: Dead Set - TV Tries to Start or intermittent dead.

The set could be in shut down mode due to a fault detected in the power supply, vertical or horizontal deflection circuits.
The common problems with this chassis that will cause a dead set or intermittent dead set symptom are, bad power supply capacitors, bad flyback, bad HV cap in horizontal output circuit and cold solders (on opposite side of board) especially under the flyback area. To gain access to replace any of these parts the back cover needs to be removed and the deflection/power supply board needs to be unplugged (label or mark all connectors beforehand) and flipped over.
These are only the most common problems and it could be any number of other faults.
If you have electronic (TV) repair experience check the items mentioned (see picture), otherwise it's best to seek a qualified RCA tech for an estimate/service call.

· Symptom: Erratic operation of set – turns off by self, the volume or channel changes by self or on screen menu appears intermittently.

Switches on the front panel assembly (FPA) problem.
What happens with this model is the FPA switches (one or more) start to conduct just as if someone was pressing the buttons. This in effect locks up the system control or causes it to initiate erratic commands.
The way to determine if the FPA is bad is to remove it by unplugging from set. This requires front panel disassembly.
Note: The remote will still work with the FPA removed so the set can be tested.

Hope this helped, johnnydiode, Fixya.

bcbda82.jpg

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Just after that there was NO correct answer to fix this problem causes the problem not solved even if it is marked as solved. Me too I have this problem, I was fix it by setting jumpers to default 60 Hz AC power because I won`t have 50Hz AC power or some AC power converter before PSU, I mean this is voltage errors, it`s need to be set to default +5V(60Hz) PSU not +5VSB(50Hz) PSU, (Step1) like might be set to USBPW12 to pin 3 both USB to right side inserted jumper it`s in left side of, near ATX 12v advanced CPU power cable connection socket. Next (step 2) is set up front USB jumpers to +5V or system won`t start up, it`s on motherboard about between PCI1 and PCI2 on right side it must be set to USBPW56 and don`t set it to USBPW78(5+VBS) because system won`t start up, the jumper must be set to right side I mean it`s last jumpers to right side need to be set up, because it`s +5V(60Hz) PSU supply. The USB wake-up feature requires a power supply that can provide at least 500mA on the +5VSB lead when these jumpers are set to +5VSB otherwise the system won`t power up. Next step if it still not starts up its BIOS fault, it`s easy to repair, just (Step3) turn off PC remove BIOS battery (it`s down to IDE cables), start it up wait a bit, then turn it off and turn it again on wait a bit again, turn it off place BIOS battery in to socket to be able save BIOS settings i mean battery is need to save them otherwise settings won`t be saved and Chassis will be broken. (Step 4) Turn PC on press del key after BIOS is load in open Power\Hardware monitoring\Chassis Intruder set to Disable, save settings exit. (Step5) If BIOS (PC won`t power up) it`s Chassis1 jumper fault, it`s need set to Default (Chassis signal, and GND(Ground)), it`s between SATA 2 and SATA1(Serial ATA connectors 7-pin it`s near and down to BIOS battery, the jumpers might be set to right side, after it`s completed repeat Step3 and Step4. CMOS is BIOS battery. If that all doesn't works Take BIOS clearing jumper in it`s clear state, near BIOS chip. Turn on PC with CMOS clear jumper turned on its work. Take beck jumper in its default state after that take bios chip out and CMOS battery out both them an two times restart PC after insert all beck if PC will be working all keyboard flashes once, after its in AC power.

Motherboard repairbd2b8012-dd8d-4ca3-87c9-00a6fdca0252.jpg

BIOS Batterybios battery-5boxao44tyyibn4n4kgpkgcb-1-2_4.jpg

Chassis repairchassis jumper-5boxao44tyyibn4n4kgpkgcb-1-3_4.jpg

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1 Answer

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r u a professional..??
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