Hitachi 51F510 Support Question
Hitachi 51F510 Support Question
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Question posted by ckchin09 on October 30th, 2011
Hitachi 51f510 Crt Replacement
Ok so screen color is always magenta, took off screen to find that the green CRT is out.
I KNOW they say take it to repairt place but I have much experience in full automotive wiring but never worked on tv.
They say bulbs or video cards just go out or wires lose in this kind of tv's case..
1. I checked wires (OK)
2. Card looks perfectly fine after close inspection.. I don't believe this is the case, maybe if all else fails, I will trouble shoot with blue to see if picture comes out yellow like it should if not its faulty card.
3. I believe the CRT or Picture tube is defective or faulty, so was wondering if there are any service manuals that show you how to properly disconect for replacement?
Again i know i can take it to a shop and pay alot of money, but im sure i can figure it out with a little help.
Also If anyone has any helpfull advice to help troubleshoot it would be greatly appreciated!!
Thanks very much in advance!
Jdm Chinxx
Current Answers
Answer #1: Posted by TVDan on October 30th, 2011 7:07 PM
TVDan
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August 8th, 2011 Points: 4,732,000
Member since:
August 8th, 2011 Points: 4,732,000
Hitachi CRT rear projection TV sets has a known problem where the the spark gaps on the CRT driver boards start o fail because dust lands on them. (other manufacturers have them enclosed to stop this from happening). The dust causes current flow and as a result the voltages drop and the tube will grow darker. buy a can of compressed air (Radio Shack and such places sells it to clean keyboards) and blow the dust off the driver circuit boards attached to the necks of the CRTs.
The picture tubes are essentially a video output device similar to a speaker being an audio output device. Where a bad speaker and a bad signal both will cause bad sound. Without looking at the signal with an o-scope can be difficult to isolate where the problem is. But the CRT requires filament voltage to heat up the tube (look for the glow at the end of the neck, near the driver board), G1, G2, focus and anode voltages (32,000 volts) aligned to match the characteristics of the tube to get it ready for the video signal to work properly.
If you was to change only one tube you will not only need to know how to set up each of the grid voltages to match the performance of the other tubes so you will not have a greenish picture, but you will need to align the skew, slant, horizontal and vertical size and linearity and convergence for all the different aspects.
Hopefully the dust is your problem. Just remember you can put the driver boards from the other tubes to check if the CRT is at fault, like you can put the other speaker on the bad side to see if it's the speaker or the signal.
TV Dan
Related Hitachi 51F510 Manual Pages
Owners Guide - Page 1
PROJECTION COLOR TV
Operating Guide for energy efficiency. has determined that this product meets the ENERGY STAR® guidelines for 57F510, 51F510
IMPORTANT SAFETY INSTRUCTIONS 2-3 FIRST TIME USE ...4-18 THE REMOTE CONTROL 19-32 ON-SCREEN DISPLAY...33-65 CARE OF YOUR HITACHI TELEVISION 66 RECEPTION PROBLEMS...67 USEFUL INFORMATION / INDEX 68-72
As an ENERGY STAR®...
Owners Guide - Page 2
...AND OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, SHOULD NOT BE PLACED ON THE TELEVISION. CAUTION: Never remove the back cover of these products properly, ...the television as improper changes or modifications not expressly approved by Hitachi America, Ltd. IMPORTANT SAFETY INSTRUCTIONS
SAFETY POINTS YOU SHOULD KNOW ABOUT YOUR HITACHI TELEVISION Our reputation has been built on this television....
Owners Guide - Page 3
... LEAD IN WIRE
GROUND CLAMP
ELECTRIC...9.
Follow instructions for replacement
of the polarized or ...SCREEN BURNS" constitute misuse and are NOT COVERED by the manufacturer.
17. This product contains lead. A grounding type plug has two blades
and a third grounding prong. ufacturer.
12. Televisions are designed to retrieve the objects.
• Projection TV's are provided for your HITACHI...
Owners Guide - Page 4
...disposing of the packing material. HL02071). 2. REMOTE CONTROL BATTERY INSTALLATION AND REPLACEMENT
1. When replacing old batteries, push them towards the springs
and lift them out. 3.
Replace with the same or equivalent type.
4 Two "AA" size, ...1.5V batteries (For Remote Control Unit). Replace the cover. CAUTION: Danger of the remote control by pushing down and sliding...
Owners Guide - Page 5
... best picture is seen by placing the speakers equidistant from outside light may cause the picture to distort if they are located in a different section of the TV and about 10 to the height of the picture screen center. During daylight hours, reflections from each side of the HITACHI Projection Television is its best, test various...
Owners Guide - Page 10
...pristine high-definition images retain the highest video quality from the source all digital interface for your television screen. FIRST TIME USE
REAR PANEL JACKS
ቧ HDMI1 (High Definition Multimedia Interface) (INPUT 1)...this input).
10 Please see your dealer regarding these "non Hitachi" home control systems (see page 64 to your external devices such as 1080i, 720p, ...
Owners Guide - Page 19
... how to program the remote to control your VCR). To operate your TV, point the remote control at the screen of the VCR and press the VCR button. To operate your VCR...remote will now control your cable box (see page 30 for instructions on your HITACHI Projection TV, the new remote control is designed to operate different types of the set -top... will now control your television.
Owners Guide - Page 25
... 1.
Sub-picture channel availability depends on the remote. PICTURE-IN-PICTURE (PIP)
Your HITACHI Projection TV incorporates Two Tuner technology designed for each. You can watch more than one of the CURSOR... for improved viewing enjoyment. This Two Tuner feature allows you want to watch a TV program while viewing other programs from any of the main picture.
Use the CURSOR ...
Owners Guide - Page 28
... remote control will remember the codes you have
programmed until the batteries are for operating the TV. The remote will turn off your cable box. When this occurs, the remote control is...You must first program the remote to match the remote system of your cable box.
2. After replacing the batteries repeat the
entire programming procedure as shown on the remote and enter the two digit ...
Owners Guide - Page 31
...4708;
ባ
ባ PRECODED VCR Buttons
These buttons transmit the chosen precoded VCR codes.
ቤ EXCLUSIVE TV Buttons
ባ
These buttons are removed from the
remote control. Hold down the VCR button on the remote ..., your VCR cannot be operated
after performing the
above .
4. After replacing the batteries repeat the
entire programming procedure as shown on page 32.
Owners Guide - Page 32
... FOR REMOTE CONTROL
THE REMOTE CONTROL
32 VCR BRAND CODE EMERSON 20, 21, 22, 23 ,24 FISHER 34, 37, 38, 39 HITACHI . . . . 00, 01, 02, 03, 04, 05, 06 JVC 49, 50, 51 MAGNAVOX 12, 13 MITSUBISHI 27,... 25, 26 SHARP 31, 32 SONY 07, 08, 09
DVD BRAND CODE APEX 10 GO VIDEO 09 HITACHI 00 KENWOOD 11 PANASONIC 02 PIONEER 03 RCA 04 SAMSUNG 06 SANYO 07 SONY 01 TOSHIBA 05
CABLE BRAND ...
Owners Guide - Page 33
... part of the On-Screen Display menu. 3. ON-SCREEN DISPLAY
33 ON-SCREEN DISPLAY (OSD)
1. This part of the screen shows which Remote Control buttons to navigate and highlight a different feature of the screen shows which selections are available. Press the CURSOR and SELECT buttons to use.
Press EXIT on your HITACHI Projection TV. 2. Press MENU on the...
Owners Guide - Page 39
... available (grayed out).
Theatrical movies are independent of each of the four color temperature settings. Press down to select from the VIDEO menu, your Hitachi Projection Television will activate the circuitry for this function to adjust and balance the percentage of Red, Green and Blue according to maintain natural flesh tones while preserving fidelity of...
Owners Guide - Page 40
... in your HITACHI
television is presented
with its attendant harmonics or partials more complete and accurate reproduction of the Projection TV internal speakers. The additional menu items Bass and Balance can then more easily recognize the
unique tonal colors of the human hearing system, SRS 3D technology delivers an exciting and realistic 3D Sound experience from...
Owners Guide - Page 54
... highlight and select START TIME Hour/Minute.
For safety, the TV should be turned off after 3 seconds, then the screen automatically goes to highlight and select Ant A or Ant B.... the TV will automatically turn off when you can not use your television with the remote control. TIMERS
Set Event Timer This function will automatically operate the Projection TV viewing reservation...
Owners Guide - Page 56
... that the colors can drift out of the green tube is called MAGIC FOCUS located on control panel will not work when adjustment ...About Your TV Move SEL Return
ON-SCREEN DISPLAY
Setup Magic Focus Tune Up
Aligns the Red, Green, and Blue colors to ....
Video Audio Aspect Chan. Your HITACHI Projection TV has three color projection tubes: one for red, one for green, one for at least 20 minutes...
Owners Guide - Page 65
...
65
Such "SCREEN BURNS" are listed on page 69. SETUP
About Your TV
The TV model name and dimensions will be displayed on -screen displays such as Video games, stock market quotations, and other fixed (non-moving) patterns can cause permanent damage. The dimensions of each TV model are not covered by your Hitachi Factory Warranty.
Owners Guide - Page 66
... erase all precodes in a distorted picture.
66 Avoid placing the remote control or the Simple Remote Control in warm water and dry with a soft cloth. Place your Television away from the wall outlet if your Television. CARE OF YOUR HITACHI TELEVISION AND YOUR REMOTE CONTROL
DO Dust the screen and cabinet with a soft cloth. A mild soap may...
Owners Guide - Page 68
...TNSD
SYMPTOMS
No Picture, no sound
Sound OK, picture poor ©
Picture OK, sound poor ©
© &#... ©
Picture rolls vertically
©
©
No color ©
© ©©©
©
Poor color ©
© ©©©
©©
HITACHI Projection Television incorporates advanced power surge protection technology designed to protect against ...
Owners Guide - Page 69
...; Audio (Fixed 470mVrms, 1k Ohm • S-Video
Luminance (Y 1.0Vp-p, 75 Ohm Chrominance (C 0.286Vp-p, 75 Ohm
Dimensions:
51F510
57F510
• Height (in.) (mm)
• Width (in.) (mm)
• Depth (in.) (mm)
•... brands, cable boxes and satellite boxes.
• New Easy-to-Use (3-Language) On-Screen Menu
• Full Set of Input Jacks, including S-VIDEO
• COMPONENT VIDEO: ...
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