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PLASMA DISPLAY MONITOR GM-P421U GM-P420UG For Customer Use: Enter below the Model No. and the Serial No. which is located on the rear panel of the cabinet. Retain this information for future reference. Model No. Serial No. INSTRUCTIONS MENU INPUT...
This instruction manual refers to the GM-P421U and GM-P420UG. The differences between these two models are its color and class of EMC: GM-P421U is silver and is categorized in class B, while GM-P420UG is gray and is categorized in class A.
GM-P420UG CAUTION: Changes or modifications not approved by JVC could void the user’s authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules.
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– Option terminal: This terminal is intended exclusively to be used to drive the fan motor. Do not connect any plugs to the terminal other than JVC’s recommended optional parts. POWER CONNECTION The power supply voltage rating of this product is AC 120 V.
Parts Identification Remote Control 1 Remote control cable jack (page 11) Connect the remote control cable (not supplied) when using this remote control as a wired remote control. 2 DISPLAY button (page 14) Use this button to display the input terminal, color system (for VIDEO A or VIDEO B input), scan system (for COMPONENT input) and horizontal/vertical frequency (for RGB A and RGB B input).
Monitor: Front View Bottom View 1 Remote sensor/power lamp Point the front end of the wireless remote control toward here. When the Monitor is turned on, the power lamp glows green. It glows orange in standby mode. 2 Self-diagnostic lamps (page 35) These lamps light/flash if something abnormal occurs with the Monitor.
• RS-232C (D-sub, 9 pin) Connect to the RS-232C terminal of a personal computer. For the control method using this terminal, consult an authorized JVC dealer. • MAKE terminal (mini DIN 4pin) Connect an external control unit. (See page 13.) •...
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VIDEO AUDIO L/MONO VIDEO A 8 VIDEO A terminals (page 12) • VIDEO IN terminal (BNC) Connect this terminal to the video output terminal of a VCR, etc. • VIDEO OUT terminal (BNC) Connect this terminal to the video input terminal of another Monitor.
Preparations Checking the Accessories The following accessories are included with the Monitor. Check for them. If any item is missing, please contact the dealer where you purchased the Monitor. • Remote control (RM-C576) x 1 • Power cord x 1 •...
Installation Precautions • When mounting the Monitor vertically, consult your dealer. (See also page 13). • When installing the Monitor, be sure to use a dedicated Stand Unit, Wall Mounting Unit, or Monitor Hanger Unit, depending on a particular case. Ask your dealer for installation. •...
Connections Precautions • Before making connections, turn off all the equipment. • Plugs should be firmly inserted; poor connection could cause noise. • To unplug a cord, be sure to grasp its plug and pull it out. • Connect the power cord after having finished all other connections. •...
Connection Diagrams Typical connections Personal computer Personal computer (used as the playback source) (used to control the Monitor) Cable with stereo mini jacks (not supplied) AUDIO RS-232C WIRED REMOTE RGB A External speaker connection Right speaker To speaker input terminals Remote control (supplied) UNIT...
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Connections (Continued) AV connections VCR 1 (used as the playback source) VIDEO AUDIO L/MONO VIDEO A When connecting another PC to the COMPONENT/RGB B terminals, set the “RGB/COMPO.” setting to “RGB” (see page 23). To G output To B output To R output Personal computer To HD/Cs output...
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Connecting an external control unit When connecting the external control unit to the MAKE terminal, you can operate the following functions through the MAKE terminal; • Turn on or off the Monitor. Preparation: The POWER switch on the rear must be set to •...
Basic Operations Rear View VIDEO AUDIO VIDEO AUDIO VIDEO AUDIO AUDIO MONO/L MONO/L MONO/L MAKE RS-232C Y/C IN Pb/B Pr/R HD/Cs RGB A REMOTE WIRED AUDIO OPTION VIDEO A VIDEO B COMPONENT/RGB B SPEAKER OUT SPEAKER OUT POWER DISPLAY DISPLAY ASPECT VIDEO A VIDEO B COMPO.
Changing the Aspect Ratio ASPECT DISPLAY ASPECT VIDEO A VIDEO B COMPO. RGB B MUTING VOLUME MENU/EXIT RM-C576 REMOTE CONTROL UNIT Precautions for using the screen mode switching function • This Monitor features a screen mode switching (aspect ratio change) function. If you select a mode different in aspect ratio from software such as TV programs, the picture may look different from original picture.
Video Adjustments MENU INPUT 2 / 3 MENU DISPLAY ASPECT VIDEO A VIDEO B COMPO. RGB B MUTING VOLUME MENU/EXIT MENU/EXIT RM-C576 REMOTE CONTROL UNIT For video adjustments, use menus. You can use the buttons either on the remote control or on Monitor for menu operations.
Press 2/3 to make adjustments. Press MENU/EXIT (or MENU on the Monitor) twice to exit from the menu operations. To make an adjustment while viewing the adjustment After step 3 on page 16, proceed as follows: 1 Press 5/∞ to move the cursor (3) to “sub menu.” 2 Press 3 to display the Sub Menu.
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Video Adjustments MENU INPUT 2 / 3 MENU DISPLAY ASPECT VIDEO A VIDEO B COMPO. RGB B MUTING VOLUME VOLUME – MENU/EXIT MENU/EXIT RM-C576 REMOTE CONTROL UNIT (Continued) Press 2/3 to adjust the selected item. Note: • During size and position adjustments, the Monitor screen may be distorted.
Adjusting the Color Temperature The adjusted setting applies to all inputs. Press MENU/EXIT (or MENU on the Monitor) to display the Main Menu. M A I N M E N U Cursor (3) P I C T U R E A D J .
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Video Adjustments MENU INPUT 2 / 3 MENU DISPLAY ASPECT VIDEO A VIDEO B COMPO. RGB B VOLUME MUTING MENU/EXIT MENU/EXIT RM-C576 REMOTE CONTROL UNIT “PICTURE MODE” and “SIGNAL MODE” do not appear at the same time. “PICTURE MODE” appears when RGB input (either RGB A or RGB B) is selected, and one of the following signals comes in—RGB15K-50, RGB15K-60, and VGA480-60.
Changing the Picture Mode When one of the following signals comes in through the RGB A or COMPONENT/RGB B terminals—RGB15K-50, RGB15K-60, and VGA480-60, you can select the picture mode suited to either still pictures or moving pictures. Press MENU/EXIT (or MENU on the Monitor) to display the Main Menu.
Video Adjustments MENU INPUT 2 / 3 MENU DISPLAY ASPECT VIDEO A VIDEO B COMPO. RGB B MUTING VOLUME MENU/EXIT MENU/EXIT RM-C576 REMOTE CONTROL UNIT “PICTURE MODE” and “SIGNAL MODE” do not appear at the same time. “PICTURE MODE” appears when RGB input (either RGB A or RGB B) is selected, and one of the following signals comes in—RGB15K-50, RGB15K-60, and VGA480-60.
Setting the COMPONENT/RGB B Input After connecting the playback device such as a PC or a DVD player to the COMPONENT/RGB B terminals, you have to specify which type of signal comes into this terminal—RGB or component signals. • Without setting “RGB/COMPO.” correctly, you cannot show any picture though you select the COMPONENT or RGB B input.
Other Convenient Functions MENU INPUT 2 / 3 MENU DISPLAY ASPECT VIDEO A VIDEO B COMPO. RGB B MUTING VOLUME VOLUME – MENU/EXIT MENU/EXIT RM-C576 REMOTE CONTROL UNIT To set the other convenient functions, use menus. You can use the buttons either on the remote control or on Monitor for menu operations.
Confirming the Use Time and Model Name You can confirm the hours of use and the model name on the Setup Menu. This may be necessary when you ask for any service. On the remote control: Press MENU/EXIT while holding VOLUME –...
Other Convenient Functions MENU INPUT 2 / 3 MENU DISPLAY ASPECT VIDEO A VIDEO B COMPO. RGB B MUTING VOLUME VOLUME – MENU/EXIT MENU/EXIT RM-C576 REMOTE CONTROL UNIT (Continued) Press 5/∞ to move the cursor (3) to “CONTROL LOCK.” • The Setup Menu consists of two pages. If you keep pressing 5/∞, you can move to the other page from the current page.
Press 2/3 to select the desired setting. Each time you press the button, the Remote Switch Mode changes as follows: MODE1: Input alternates between “VIDEO A” and “VIDEO B” when controlled from the external control unit. MODE2: Input alternates between “VIDEO A” and “RGB B/COMPO.”...
Other Convenient Functions MENU INPUT 2 / 3 MENU DISPLAY ASPECT VIDEO A VIDEO B COMPO. RGB B MUTING VOLUME VOLUME – MENU/EXIT MENU/EXIT RM-C576 REMOTE CONTROL UNIT (Continued) Using the Power Save Function You can use this function to reduce the electrical consumption and to extend the lifetime of the Monitor’s screen.
Press 5/∞ to move the cursor (3) to “COLOR-REVERSE” (on the second page). • The Setup Menu consists of two pages. If you keep pressing 5/∞, you can move to the other page from the current page. S E T - U P M E N U 2 / 2 P I X E L S H I F T : O N...
Other Convenient Functions MENU INPUT 2 / 3 MENU DISPLAY ASPECT VIDEO A VIDEO B COMPO. RGB B MUTING VOLUME – MENU/EXIT MENU/EXIT RM-C576 REMOTE CONTROL UNIT (Continued) Resetting All the Menu Settings You can reset all the Menu settings and adjustments at a time, except the use time of the source lamp (HOUR METER).
Menu Classifications Main Menu Main Menu M A I N M E N U P I C T U R E A D J . S I Z E / P O S I T I O N A D J . F U N C T I O N S E L E C T S T A T U S D I S P L A Y E N T E R :...
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Menu Classifications PICTURE ADJ. (Picture adjustment): See page 16. CONTRAST Adjusts the contrast of the picture. BRIGHT Adjusts the brightness of the picture. CHROMA* Adjusts the color density of the picture. PHASE* Adjusts the color phase. SHARPNESS Adjusts the outlines of the picture. sub menu Displays the fine adjustment bar.
Troubleshooting Solutions to common problems related to the Monitor are described here. If none of the solutions presented here solves the problem, unplug the Monitor and consult an authorized dealer or service center. Symptom Power is not supplied. • Is the power cord disconnected? •Is the Video image does not •Is the correct input selected?
Monitor as usual. Self-diagnostic Report Sheet Store name where you purchased the Monitor Model Name: Plasma Display Monitor GM-P421U/GM-P420UG The self-diagnostic lamps light or flash as listed on the following table. Please give me immediate advice or service if necessary. POWER NO.
Video input Audio input COMPONENT/RGB B COMPONENT input RGB input Audio input GM-P421U Silver Type 42 wide format 16:9 (Wide format) 853 (H) x 480 (V) 16.77 million (256 colors for each of RGB) 92.1 cm x 51.8 cm (36-3/8” x 20-1/2”), 105.7 cm (41-5/8”) 32.3 kg (71.1 lbs.)
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TS-C01FANG Notice on transportation This Monitor is precision equipment and needs dedicated packing material for transportation. Never use any packing material supplied from other than JVC or JVC-authorized dealers. GM-P421U D-sub 3-row 15-pin terminal x 1, Video signal: 0.7 V(p-p), 75 Ω...