Hisense PDH4239EU - Manual (Page 24)

PDP TV Service Manual
Hisense confidential
24
Problem solutions:
1. Adjusting sharpness can improve picture definition.
2. Adjusting bright can improve picture administrative levels, it can display black background something.
3. If VGA or YPBPR color isn’t natural. You can optimize VGA.
4. PDP power is very large system. As you power off power. Power component must discharge period of
time. Power can work steadily. If you power off and power on TV continuously. Then power work
unsteadily. Then PDP TV will display deviant picture.
5. TV, AV and S.video are the same white balance setting. VGA is a set white balance setting. HDTV is a
set white balance setting.
6. Picture mode does be divided four modes. such as standard, brightness, soft and custom. If you adjust
factory data, they will increase the same data.
7. If IC don’t work normally, it will take place follow some phenomena.
(1) MSP3410 don’t work normally. PC, YPBPR, HDMI, Audio out aren’t audio. Please check its SDA ,
SCL ,reset and power.
(2) PW118C don’t work normally. All signal and OSD signal are problem. You can press it, and notice
picture change.
(3) PW2300 don’t work normally. signal and OSD signal are problem. You can press it, and notice picture
change. Such as , picture noise.
(4) LVDS connector is problem. All signal and OSD signal are problem. You can press it, and notice picture
change.
(5) 24LC64 is problem. They can’t remember, such as Bright data, contrast data, etc
(6) 24LC21 is problem. Some HDMI signal couldn’t display normally.
(7) FLASH is problem. TV can’t turn on power. Color of indicator light is problem. It is purple. Please
update software.
(8) If you can’t update software. Please check software settings and RS232.
8. If the picture color is not correct in the scart1 RGB source, but the scart1 CVBS is normal .you can
check the fast blank signal is whether high. If it is low, please check the circuit.
9.If the picture is not normal 16:9 mode or 4:3 mode when the signal equipment send 16:9 mode or 4:3
mode, please check the aspect mode whether is in “normal” mode.
Stand installing
Assemble instruction
Mount Installation
Mount Preparation
1. Take the mounting components out of the box.
2. Fix stanchion A and stanchion B onto the base subassembly with two screws (M6x20) as
Fig.1, turn the screws to tighten it.
3. Assemble the base subassembly onto the TV set with screw (M8X15) and screw (M5X12)
as Fig.2.You can find these screws in the box of the base.
NOTE: Failure to do so may result in breaking, denting and scratching the plasma display.