Manual for 42PD8800TA

Manual for 42PD8800TA

Brand: HITACHI

Category: TV

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 6:09 p.m.

Power On/Off

To turn the unit ON:

  1. Press the Main Power switch on the unit (Indicating Lamp turns Red).
  2. Press the Sub Power button on the control panel or remote control (Indicating Lamp turns Green, image displays).

To turn the unit OFF:

  1. Press the Sub Power button (Indicating Lamp turns Red, image disappears).
  2. Press the Main Power switch to completely turn off the unit.

First Time Setup

When turning on the TV for the first time, follow the on-screen prompts:

  1. Choose the language for the TV's display.
  2. Select preferred language and press OK.
  3. Auto Tuning will start to scan for channels.

Volume UP/DOWN

Use the Volume Up (+) or Volume Down (-) buttons on the remote control or control panel to adjust the sound volume.

Mute

Press the Mute button (×) on the remote control to temporarily turn off the sound. The Volume Indicator will turn magenta. Press the Mute button again or use Volume Up to restore sound (Indicator turns green).

Troubleshooting and error codes

Symptoms Check list Page
Power Save This indicates it is in Power Save mode. (in AV/RGB mode)
The indicating lamp lights in orange.		 27, 52
No Sync. Signal The unit cannot detect any signals from any input terminals.
• Check if the cable is connected correctly and firmly.
• Check if the power of the external equipments is ON.
• Check if the input selection matches the connection terminal.
• Check if the PC is in Power Save mode or not.		 14 – 16
Invalid Scan Freq. The unit receives signals not supported by the monitor.
• Check if the cable is connected correctly and firmly.
• Check if the input signal is compatible with the specification of the monitor.		 57, 59
Not Available This shows when the selected operation is not available.
Please Push [Return] button This message appears when you select other than <0xE2><0x96><0xB3> button while Screen Wipe is ON.
Press <0xE2><0x96><0xB3> button when this message appears.		 27
Check Antenna Check the connection status when this message appears. 13
Auto Adjusting This indicates that it is in the process of auto adjusting.
(in RGB mode)		 25
No picture - no sound • Check the Indicating lamp status (Off, Red, Green, or Orange).
• Check the connection of the Power Cord and/or other cables.
• Check if the Main Power of the unit or external equipments is ON.
• Check if the TV mode is selected.
• Check if the TV is in "Standby mode" or "Power Save mode".
• Adjust the values in "Picture menu" and "Audio menu".		 13 – 16
18, 23
52
Snowy picture-poor sound • Check the antenna connection and direction.
• The TV station may have broadcast difficulties.
Try another channel.		 13
Multiple images-normal sound • Check the antenna connection and direction.
• Fine tuning the TV.
• Check the connection of the external equipments.
• The TV station may have broadcast difficulties. Try another channel.		 13, 22
Intermittent interference • Check if the source of interference is shielded well.
Remove those kinds of electrical devices away from the TV.
Normal picture, but no sound • Check the volume level.
• Check if the <0xE2><0x96><0xB3> button has been pressed or not.
• Check the connection of the external equipments.
• Make sure that the headphone is NOT connected.		 19
No picture - normal sound • Check the level of "Brightness" and "Contrast" in
"Picture Menu".		 29, 32
The remote control does not work. • Check if the batteries are installed correctly.
• The batteries might be exhausted. Replace them with new ones.
• Remove all the obstructions in front of the sensor window on the unit.
• Check if you select the correct function by <0xE2><0x96><0xAA> button on the
remote control.
• Check if the buttons of the control panel can work.		 10, 11
Normal picture but no color-normal sound • Check the connection of the external equipments.
• Check the "Color System" in "Setup Menu".		 14 – 16
• No picture
The Indicating lamp Off		 • Check if the Power Cord is plugged into the socket firmly.
• Check if the Main Power is ON.		 17, 18
• No picture
The Indicating lamp Orange		 • Check if all the cables of the external equipments are connected
correctly and firmly.
• Check if the power of the external equipments is ON.
• Check if the TV/AV mode has been selected correctly.
• Check if the PC is in Power Save mode or not.
• Refer to "Power Save mode" and "When following messages appears on
the screen".		 52
• No picture
The indicating lamp Green		 • Check if the signal cable is connected correctly and firmly.
• Adjust the level of Brightness and Contrast lower.		 14 – 16
The top of the monitor and surface of
the panel heat up.		 • It may happen when you use the unit for long hours. Turn off the Main
Power of the unit for a while. Please note that this is not malfunction.		 57, 59
• Image cannot be displayed in the correct
position.		 • Press <0xE2><0x96><0xB3> button to check if the input signal of the displayed image is
compatible with the specification of the monitor.		 25, 57,
59
• When the VCR is in special playback
features (Fast Forward or Rewind), the
screen gets dark and cannot see the
image at all.		 • It could happen when the VCR is connected to Component output, such
as 480i. This is not malfunction.
• Try Composite output or S-video output and check the picture again.
• The images are not displayed on sub
pictures in "Multi Picture mode"		 There are some combinations of input signals that the images are not
displayed on sub pictures.
Please check the Table of "2-Picture" and "4-picture/2-picture(1080i)" for
details.		 41 – 43
Screen display size cannot be switched
correctly.		 • The display size is fixed at "FULL" when the receiving signals are
1080i/60Hz, 1080i/50Hz, 720p/60Hz, or 720p/50Hz.
• Check the signal status by pressing the <0xE2><0x96><0xB3> button on the remote
control.		 38, 39
• Cannot be displayed the image from
HDMI 1 or 2.		 • Check if the cables are connected correctly.
• Check the output format of the equipments.
• (Please refer to "Connecting Procedure" and "Recommended Signal
List".)		 57 – 59
Privacy Policy