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Estimated abnormal parts:
• Fusing unit
• Printer control board (PRCB)
• AC drive board (ACDB)
• Fusing heater lamp /1 (L2)
• Fusing heater lamp /2 (L3)
• Fusing heater lamp /3 (L4)
• Temperature sensor /1 (TH1)
• After replacing the defective parts, be sure to set the DIPSW 3-1 to 0. If DIPSW3-1 is set to 0 before defective parts are fixed, it may cause fire.
1. Check the connection between the rear side connector of the fusing unit and the main body side connector, and repair it if any abnormality.
2. Check the connector connection and the wiring between PRCB and the temperature sensor, and repair it if any abnormality.
3. Check the connector connection and the wiring between ACDB and the fusing heater lamp, and repair it if any abnormality. (Wiring diagram: Main body (1/3): 3-E)
4. Check the installation condition of the fusing heater lamp and ON/OFF with I/O, and repair/replace it if any abnormality. (Wiring diagram: Main body (1/3): 3-D)
5. Check the installation condition of TH1 and temperature of I/O, and adjust/replace it if any abnormality. (Wiring diagram: Main body (1/3): 3-F)
6. Replace TH1.
7. ReplaceL2, L3 and L4.
8. Replace ACDB.
9. Replace PRCB.
Please check the plastic plug connector to the headlight lamp. They can get quite warm and when a poor connection is present.... a lot of heat is generated through the bad connections and this tends to melt the plastic plug. All contacts should be clean and tight to the lamp contact posts. It is also possible that the new lamp has failed.
Bad circuit board tail light asseblise connector pin to board poor connection or burned push in light bulb sockets
On my '93 Chevy PU the new ones went bad within months I repaired the original ones by soldering all connector pins to the board cleaned the sockets chipping out melted plastic been working for five years now.
Care must be taken to keep solder from preventing wire connector install while using enough that plugging it in will not break these delicate unions.
Required pulling them several times to Finnish repair successfully.
Very disappointed in replacement parts.
The Ballast plug melted due to age of the TV. as the plastic gets old it gets brittle and can crack with barely any force. The pins then do not seat and the arc that should be in the lamp takes place in the connector. I have seen this so many times. fortunately it is very easy to replace the connector is you know how to use wire crimps and can source an old female plug. eBay is a good source. you can buy a used ballast from any model that has the same connector. Then cut off the new plug and splice it onto your old wires with but-crimps and shrink tubing.
Most of the time the female end of the connector comes right of a part called the ballast. Ballast's are replacable. Is the aluminum melted? I am not sure where to purchase the ballast. The female connectors is ussally atached to frame with screws or sometimes clips
If you are seeing the yellow light blinking 3 times repeated over and over the boot data is corrupted. Download the firmware update(link below)from Toshiba and unzip the files and folders,copy the unzipped files & folders to a SD card (like a camera uses,I used a 2 gig). Unplug the tv and insert the card into the slot hidden behind the cover above the HDMI inputs. Plug in the tv and watch the yellow blinking stop and a solid blue will light when done. Unplug the tv, remove the card,plug in the tv and all will be good. You could now install the update per it's instructions. www.tacp.toshiba.com/customersupport/model_firmware.asp?model=65hm167
² Coupe ² Sedan/wagon 2. Open the hood and disconnect the headlamp wiring socket from the in-line connector. This will make it easier to change the bulb. 3. Remove the protective dust shield from the housing by turning the dust shield counterclockwise (when viewed from the rear). 4. Release clip and disconnect the electrical connector from the bulb. 5. Remove the bulb retaining ring by rotating it counterclockwise. 6. Without turning, remove the old bulb from the lamp assembly by pulling it straight back out of the lamp assembly and replace. 7. Install the new bulb in lamp assembly by pushing straight in with the bulb’s plastic base facing upward. Turn the bulb slightly to align the grooves in the plastic base with the tabs in the lamp assembly. 8. Install the bulb retaining ring over the plastic base and lock the ring by rotating it clockwise until it snaps into place. 9. Connect the electrical connector into the plastic base until it “snaps”. 10. Install the protective dust shield and lock the shield by rotating it clockwise until it locks into position. 11. Connect the headlamp wiring socket to the in-line connector. 12. Turn the headlamps on and make sure they work properly. If the headlamp was correctly aligned before you changed the bulb, you should not need to align it again. __________