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Dell W2606C

SERVICE MANUAL
LCD TV W2606C

THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR CHANGES, ERRORS OR OMISSIONS.

Dell W2606C

Revision List
Version A00 Release Date Sep.-15-2005 Revise history Initial Release Second Version (Remark: Add the Operation A01 Nov.-01-2005 Instructions and Repair Flow Chart) A02 April-25-2006 Add "Max Brightness measurement" on Page 33 EEF5AGNKDEDMJMP ROHS BOM TPV Model EEF5AGNKDEDLJMP Remark

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Table Of Contents
Revision List .................................................................................................................................. 1 2 3 4 4 7 11 17 22 22 23 24 24 25 28 31 31 32 33 34 42 46 77 81 83 85 87 87 88 89 90 90 100 101 102 103 104 Table Of Contents ................................................................................................................................... 1. General Specifications ...................................................................................................................... 2. Operating Instructions ............................................................................................................... 2.1 The Use Of Remote Control ......................................................................................................... 2.2 Panel Control Knobs and Ports .................................................................................................. 2.3 OSD Operating ........................................................................................................................... 2.4 Connecting LCD TV Display ............................................................................................................ 3. Input /Output Specification 3.1 Input Signal connector 4. ISP Program Instructions 4.1 System Connection 4.2 Install the software 5. EDID Program Instructions ......................................................................................................... ............................................................................................................. ............................................................................................... ................................................................................................... ................................................................................................ ............................................................................................

3.2 Factory Preset Display Modes .....................................................................................................

4.3 Run the Program ........................................................................................................... 5.1 System Connection ...................................................................................................... 5.2 Run the DDC burn in program .......................................................................................... 6. White Balance, Luminance Adjustment ........................................................................... 7. Mechanical Instructions 9. BOM List 10. PCB Layout 10.1 Main Board 10.2 Power Board 10.3 Tuner Board 10.4 Key/IR Board 10.5 Side Board 11. Block Diagram 11.2 Power Board 11.3 Exploded View 12. Schematic Diagram 12.1 Main Board 12.2 Power Board 12.3 Tuner Board 12.4 Key/IR Board 12.5 Side Board 12.6 Back Board ............................................................................................... 8. Repair Flow Chart ................................................................................................................... ................................................................................................................................ ........................................................................................................................ ................................................................................................................... ................................................................................................................ ...................................................................................................................... .......................................................................................................................... ................................................................................................................. ............................................................................................................ ............................................................................................................... ................................................................................................................... ................................................................................................................... .................................................................................................................... ........................................................................................................................ ........................................................................................................................ ......................................................................................................................

..................................................................................................................... 77

................................................................................................................ 86

11.1 Main Board ....................................................................................................................

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1. General Specifications
Specification Items Screen Size 26" TFT LCD color Panel (AU) Image Aspect Ratio Wide Screen (16:9) Resolution 1360 x 768@60HZ Active Display 575.8 mm x 323.7 mm Area(H�V) Pixel Pitch 0.4215mm � 0.4215mm Display colors 16.7 million LCD Panel Contrast Ratio 800:1 (Typical) Brightness 500 cd / m� (Typical) Viewing Angle 170�(Horizontal) / 170�(Vertical) Response Time 12 ms (Typical) Lamp Lifetime 60,000 hr Color Temperature Cool / Warm TV Tuning System USA: NTSC Composite (CVBS)/S-Video Two (side + bottom) Component Two (bottom) TV in (coaxial) One (bottom) Video Audio (L+R) Six pairs Inputs DVI (For use with a video device) One (bottom) TV Function VGA (For use as computer monitor) One (bottom) DVI (For use as computer monitor) One (bottom) Computer Audio (PC) One (bottom) Composite (CVBS) One (bottom) Video Outputs Audio (L+R) One pair Headphone One (side) Analog: D-Sub 15 pin (detachable cable) Signal Input Digital: DVI-D 24 pin (detachable cable) PC Input PnP compatibility DDC2B Input frequency Analog: FH: 31 kHz to 64 KHz; FV: 56 Hz to 75 Hz Input Audio F Headphone Mini-jack for stereo Speaker (built-in): Two 15(max) watt speakers Audio Output Audio Output: L / R Headphone Mini-stereo jack (at side) Effects: SRS TruSurround XT; Midnight Mode Other Function Closed caption OSD language English/Spanish/French Table Stand Included Wall Mount VESA spec FDMI � 100 mm X 200mm hole spacing required Power Supply AC 100V~240V, 50 � 3Hz, 60 � 3Hz Power Power Consumption <160 W Panel Tilt/ Swivel Tilt, Swivel Operating Environment Storage -5 /+20 degrees, +/- 45 degrees. Temperature: +0�C ~ + 40�C Humidity: 10% ~ 85% Temperature: -10�C ~ + 50�C Humidity: 5% ~ 85%

Weight (with stand) 14.5 kg Remote Control, AAA Batteries (2), Power Cord, Composite Video Cable, Audio Cable, Accessories Coaxial Cable, Documentation: Setup Guide, Product Information Guide, Owner's Manual. 3

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2. Operation Instructions
2.1 The Use Of Remote Control
Installing batteries
Before you use your remote control, install two-AAA batteries. 1. Slide open the battery cover. 2. Install the batteries, make sure that you match the + and � on the batteries with + and � symbols in the battery compartment. 3. Replace the battery cover.

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1 2 3 4 5

Power Button Number Button Enter Mute CH (up icon)

Turns the LCD TV display on and off Press to select a channel Select a TV menu option, confirm a channel selection Press to turn the sound on and off Push to view the next channel In the TV menu, use the channel button to navigate through the menus in the TV menu Increase the volume In the TV menu, use the volume button to navigate through the menus Push to view the previous channel In the TV menu, use the channel button to navigate through the menus in the TV menu Cycles through the preset options for the picture menu Display information about your TV display (for example, in TV mode displays the channel you are watching) Toggle SRS surround on and off Toggle midnight on and off Cycles through the size (aspect ratio) options from the picture menu Turns on the sleep timer Cycles through the Closed Caption menu Turns on the Second Audio Program (SAP) Selects TV turner as input source Selects DVI as input source Cycles through the preset Audio options Select an TV menu option, confirms a channel selection Decrease the volume In the TV menu, use the volume button to navigate through the menus Enters and exit the TV Menu main menu Returns you to the previously viewed channel Enters and exits the Input Select menu

6

Vol +

7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

CH (down icon) Pict INFO SRS Midnight Wide Sleep CC SAP ANT DVI Audio OK Vol Menu Last Input

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2.2 Front Panel Control Knobs
Front View

1. 2.

IR receiver Power indicator light (LED)

Senses the signal from the remote control. The light is blue when the LCD TV is on and amber when the LCD TV display is in power save mode.

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Right Side View

1. 2. 3. 4. 5. 6. 7.

Power button

Push to turn the LCD TV display on and off, the power button is blue when it is on and amber when it is in power saving mode Push to enable the TV menu Push to decrease the volume Push to increase the volume Push to select the previous channel or navigate through the TV menu Push to select the next channel or navigate through the TV menu Push to display the Input Select menu

TV menu button Volume button Volume button Channel button Channel button Input select button

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Left Side View

1. 2. 3. 4.

AV Side (S-Video 1) AV Side (Composite 1) Composite audio connector Headphone connect

Connect devices such as a video game system or a VCR. Connect devices such as a VCR or DVD player. Use the audio connector if you have connected a device to connector. Connect headphones

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Bottom View

1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.

Power Connector Composite out/audio out (L/R) Composite out/video out Composite video and audio connectors (AV1) S-Video video and audio connectors (AV2) Component video and audio connectors (AV3) Component video and audio Connectors (AV4) DVI audio connector (L/R) VGA DVI connector Audio connector for VGA or DVI ANT/Cable

Connect your power cord Connect a VCR Out Connect a VCR Connect devices such as a VCR or DVD player. Connect devices such as a video game system or a VCR. Connect devices such as a DVD player or cable TV box. Connect devices such as a DVD player or cable TV box. Use the DVI audio connector if you have connected a device such as a DVD player to the DVI connector. Connect your computer. Connect your computer or video devices such as a DVD player. Connect the audio cable from your computer to the LCD TV display. Connect cable TV box or an antenna.

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2.3 OSD Operating
Using Remote Control With the TV Menu
1. To enter the TV menu, press the Menu button. Seven icons appear along the bottom of the screen.

2. Move the left and right buttons (volume buttons) to move between the icons. The icon appears highlighted as you move through the menu. 3. To select an option, push the OK button when the icon is highlighted. 4. A new menu appears for that selected option, use the up and down buttons (channel buttons) to move through the various setting. Note: A red arrow appears next to the setting as you navigate through the options. A check mark appears next to the option that you have selected. 5. Use the left and right buttons (volume buttons) and the OK button to adjust or select setting. Note: You can select EXIT at any time to return to the main menu. 6. After you have made your selections, select Exit to return to the main menu. 7. To exit the TV menu, select the EXIT icon and press OK.

Selecting your TV Menu Language
1. Press menu to enter the TV menu. 2. Select Setup. 3. In the Setup menu, select language and select the language that you want the TV menu to appear in.

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Input Select Menu

The Input Select menu allows you to select the proper source based on how you have you LCD TV display and video equipment connected. Press Input on the remote to go directly to the Input Select Menu. You can also press Menu and Select Input Select from the main menu. VGA � Select when your LCD TV display is being used as a computer monitor and you have connected the computer using a VGA cable. DVI � Select when your LCD TV display is being used as a computer monitor and you have connected the computer or when you have connected a device, such as a DVD player using the DVI cable. TV � Select when you have your antenna or cable TV box connected to the ANT/Cable connect. AV1 (Component 1) � Select when you have a video device, such as a video game system, connect to the composite connector. AV2 (Component 2) � Select when you have a video device, such as a DVD player, connected to the composite connector. AV3 (Component 1) -- Select when you have a video device, such as a DVD player, connected to the component connector. See "Bottom View" on page 8 for the location of the component connector. AV4 (Component 2) -- Select when you have a video device, such as a DVD player, connected to the component connector. See "Bottom View" on page 8 for the location of the component connector. AV SIDE (Composite 1) � Select when you have a video device, such as a video game system, connected to the composite connector on the side of the LCD TV display. AV SIDE (S-Video 1) � Select when you have a video device, such as a VCR, connected to the S-Video connector on the side of the LCD TV display. SHOW INPUTS � Show Inputs allows you to select active or all. Active searches for which connectors are being used. The available input sources appear in white and input sources that are not available appear in grey. All shows all the input sources and allows you to select all the input sources even if you do not have a device connected.

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Picture Menu

The picture menu allows you to adjust the appearance of the image including color and brightness. If you select one of the following preset image setting the individual setting are automatically updated. Movies Sports Weak Signal Multimedia If you select Personal, you can adjust the individual setting, such as Brightness and Color. The color temperature presets are: Natural: 6500K Normal: The native panel temperature: Blue: 9300K Red: 5700K

Audio

The audio menu allows you to set the audio to best fit the type of show you are watching. SRS Trusurround XT � Delivers virtual surround sound over two speakers from any source, which creates a wider sound with deep rich bass. MIDNIGHT MODE � Evens out the large volume variations between voice and action scenes. If you select one of the following preset Equalizer Mode settings, the individual audio levels are automatically updated: Music Theater Voice If you select Personal, you can adjust the individual audio levels, such as Bass and Treble. Use Program toe select Stereo, Mono, or SAP (Second Audio Program) 13

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Size
Size allows you to adjust the appearance of the image. Use Horizontal shift to adjust the horizontal placement of the image.

Use the following setting to adjust the aspect ratio: STANDARD � Best selection for viewing digital HDTV, 16:9 or 22:9 DVD movies. ZOOM � Best selection for viewing TV VCR or 4:3 DVD movie. 4:3 � Best selection for viewing digital HDTV, VCR or 4:3 DVD movies. WIDE � Best selection for viewing digital HDTV, 16:9 or 22:9 DVD movies. FULL SCREEN �Best selection for viewing digital HDTV, or 16:9 DVD movies.

Parental Control
Parental Control allows you to block certain channels or programs to child cannot view programs that are not age appropriate.

To enter the Parental Control menu, you need an access code. The first time you enter access code 3355. You can set the following options to block content: Channel Lock � Block selected channels Movie Rating �Block movie based on their rating (G, PG, PG-13, R, NC-17, and X) TV Rating � Block TV shows based on their rating. Block Options � Turns on or off all your parental control setting. NOTE: You can use clear all to unblock the channels and programs that you have set. 14

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Setting an access Code After you enter the parental Control menu for the first time, you can set your own four-digit access code. If for any reason you lose or forget you access code, you can use the default code. 1. In the parental control menu, select change code. 2. Using the number pad on the remote control, enter a new access code. 3. Select Exit.

TV Menu Setup

TV Menu Setup allows you to adjust the appearance of the TV menu, to change the language of the TV menu and to restore factory setting. Use the TV menu setting menu you can select TV Button lock to lock the TV menu and the side panel buttons, when this option is enabled, only the power button functions. To unlock the TV menu and side panel buttons: 1. Press the menu button on the TV.A message appears stating that the TV is locked. 2. While the message is on the TV, press the channel up and volume increase button simultaneously. If you are using the DVI connector, you may need to verify the following settings: Source -- The default setting is Auto. The T V automatically detects if a computer (PC) or video device is being used. If the image does not display correctly, you can select the source, PC or Video, depending on the device you are using. Color -- The default color space is RGB. If the colors are not displaying correctly, you can change the setting to YUV.

Setting you cable channel
Your TV is set to automatically detect whether you are using an antenna or cable and then set the available channels, some cable providers use an older cable standard that the TV can not automatically detect. If you have your TV connected but can only view channels 5 and 6,complete the following steps:

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1. Press the menu button, the remote control or TV and enter the TV menu. 2. Select setup and then select channel setup. 3. In channel setup, select Antenna/Cable, and then toggle to cable.

4. If selecting cable does not resolve the issue, repeat steps 1 through step 3 using each available channel setup option (HRC, IRC, and Antenna) until you can view all channels.

Sleep Timer
Sleep Timer allows you to select an increment of time after which the LCD TV display turns off automatically. You can select from 10 minutes to 3 hours

Closed Caption

In the Closed Caption menu, you can select on, off, or Mute. If you select Music automatically displays when you use the mute button on the remote control. You can choose from the following Caption modes. CC1 through CC4 and TXT1 through TXT4 (CC1, CC2, and CC4 offer standard Closed Captioning and CC3 provides closed captioning in a secondary language.) CC Mute (automatically turns CC on when you mute the TV volume)

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2.4 Connecting LCD TV Display
The LCD TV display has four standard connectors that can be used to connect devices. Note: Before you connect your LCD TV display, ensure you have all the proper cables. Some cables may come with the device you are connecting. Quality Cable and Connector When to use Coaxial (RF) carries the video and audio from one cable. The coaxial connector is labeled, ANT/Cable on your LCD TV display.

Good

Composite carriers the video signal through a single pin. If you are using a composite video connector you also need to connect composite audio connectors.

Good

S-Video splits the video signal into two signals, black-and-white and color.

Better

Component splits the video signal into three signals, two color and one black-and-white

Best

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Connect LCD TV to computer
The LCD TV display has two standard connectors that can be used to connect your computer. Note: The type of connector you use depends on the graphics card your computer supports. For additional information about graphic cards, see your computer documentation. Quality Cable and Connector When to use A standard graphic display system for computers that uses an analog signal and can support resolutions up to 1360 x 768.

Good

Better

A digital signal that can support digital and convert analog to digital. DVI can be used for high resolutions display and can support resolutions up to 1360 x 768. Connect the audio cable from your computer to the LCD TV Display Audio connector for VGA or DVI.

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Use the ANT/Cable (Coaxial) Connector

1. Turn off the LCD TV display and unplug the power cord. 2. Connect the coaxial cable to the ANT/Cable connector of the LCD TV display. 3. Plug in the power cord for the LCD TV display and turn on the LCD TV display. 4. Enter the TV menu and select TV.

Using the Composite Connector

1. Turn off the LCD TV display and unplug the power cord. 2. Connect your device including the audio cables. 3. Plug in the power cords for the LCD TV display and device and turn them on.

4. Enter the TV menu and select the AV SIDE (Composite 1).

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Using the S-Video Connector

1. Turn off the LCD TV display and unplug the power cord. 2. Connect your device including the audio cables.

3. Plug in the power cords for the LCD TV display and device and turn them on. 4. Enter the TV menu and select the AV SIDE (S-Video 1).

Using the component Connectors

1.

Turn off the LCD TV display and unplug the power cord.

2. Connect video and audio cables from your device to LCD TV. 3. Plug in the power cords for the LCD TV display and device and turn them on. 4. Enter the TV menu and select the AV3 (Composite 1) or AV4 (Composite 2).

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Using the DVI Connector
Connecting a Video Device Connecting a Computer

1. 2. 3.

Turn off the LCD TV display and unplug the power cord. Connect the white DVI cable to your LCD display TV and to the video device or your computer. Connect the audio cables. If you re connecting a video, device use the audio connectors (red and white) or if you are connecting computers use the stereo connector (green). Plug in the power cords for the LCD TV display and device and turn them on. Enter the TV menu and select the DVI.

4. 5.

Using the VGA Connector

Note: Only one connector can be used for a computer, either VGA or DVI. 1. 2. 3. 4. Turn off the LCD TV display and unplug the power cord. Connect the blue VGA cable to your LCD TV display and to your computer. Connect the green audio cable to the connector on the LCD TV display and to your computer. Plug in the power cords for the LCD TV display and device and turn them on.

5. Enter the TV menu and select the VGA.

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3. Input/Output Specification
3.1 Input Signal connector
This procedure gives you instructions for installing and using the LCD TV display. Position the display on the desired operation and plug the power cord into a convenient AC outlet. Three-wire power cord must be shielded and is provided as a safety precaution as it connects the chassis and cabinet to the electrical conduct ground. If the AC outlet in your location does not have provisions for the grounded type plug, the installer should attach the proper adapter to ensure a safe ground potential. Connect the 15-pin D-SUB or 24-pin DVI color display shielded signal cable to your signal system device and lock both screws on the connector to ensure firm grounding. The connector information is as follow:

1 6 11

5 10 15

15 - Pin Color Display Signal Cable
PIN NO. 1 2 3 4 5 6 7 8 Description Red Video Green Video Blue Video Not Used Ground Red Ground Green Ground Blue Ground PIN NO. 9 10 11 12 13 14 15 Description No Pin! Sync Ground Not Used Serial Data for DDC H-Sync. V-Sync. Serial Clock for DDC

Apply power to the display by turning the power switch to the "ON" position and allow about ten seconds for Panel warm-up. The Power-On indicator lights "GREEN" when the display is on. With proper signals feed to the display, a pattern or data should appear on the screen, adjust the brightness and contrast to the most pleasing display, or press auto-adjust to get the best picture-quality. This TV (with PC function) has power saving function following the VESA DPMS. Be sure to connect the signal cable to the PC. If your TV requires service, it must be returned with the power cord.

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3.2 Factory Preset Display Modes:
Factory Preset Timing Analog Mode A B C D E F G H I J K L M 640X400@70Hz, 31.5kHz # Of User Defined Timings Resolution 640 x 350 640 x 400 640 x 480 640 x 480 720 x 400 800 x 600 800 x 600 1024 x 768 1024 x 768 1024 x 768 1280 x 768 1280 x 1024 1360 x 768 Refresh Rate (Hz) 70 70 60 75 70 60 75 60 70 75 60 60 60 Horiz. Freq. (KHz) 31.5 31.5 31.5 37.5 31.5 37.9 46.9 48.4 56.5 60 48.1 63.8 47.72 Digital Refresh Rate (Hz) 70 70 60 75 70 60 75 60 70 75 60 60 60 Horiz. Freq. (KHz) 31.5 31.5 31.5 37.5 31.5 37.9 46.9 48.4 56.5 60 48.1 63.8 47.72

Required for Microsoft Windows Hardware Logo Requirement. Does not need to be a preset timing, but must display a picture. This is the Windows 98 start up screen. Only centering is required, not scaled. To be investigated also when samples arrive. 640 x 350 resolution should also be checked during development. User defined Modes 13 TPV to provide User define able parameter is the user table

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4. ISP Program Instructions
4.1 System Connection
The system should be connected as shown below (Fig 5.1, Fig 5.2, Fig 5.3, Fig 5.4).

Connect to PC

Fig 5.1

Fig 5.2

LCD-TV VGA RS232

DC12V

Fig 5.3

�PDOF

Fig 5.4

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4.2 Install the software (Gprobe 5.0) for ISP burn in
Operating system (1) Microsoft windows OS. (2) 100M free hard-drive space. (3) 1 free parallel port for DDC2BI communication. The relevant soft wares (as Fig5.5) The IC database Gprobe 5.0 Instruction

Double-click the ZIP documents

AOC configure file

Install software

Update software

Fig 5.5

A. Double-click the Install software,

, as Fig 5.6

Fig 5.6 Select the folder where you would like Genesis Gprobe 5 to be installed, as Fig 5.7

Fig 5.7 25

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Completing the Genesis Gprobe 5 setup wizard, as Fig 5.8

Fig 5.8 Note: After finishing the installation, you must restart the PC.

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B. Next, installing the Update software, , as Fig 5.9.

Fig 5.9 Completing the update 1 for Genesis Gprobe 5.0 setup wizard, as Fig 5.10

Fig 5.10

B. Copy the "ChipDB"

folder to the install folder, replace the primary one

(

). Installation Finished. 27

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4.3 Run the program
After the installation, a short-cut icon the program. will appear on your desktop, double click it will run

(1). Select the IC type FL18532-BD (NOTE: If there is not this selection, please check the "ChipDB"), As Fig 5.9

Fig 5.9 (2). Open the configure file "isp_flash8_aoc.txt", as Fig 5.10

Fig 5.10

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The running program as below, Fig 5.11.

Press execute button ISP is running...

Change the path of firmware.

Success

Error

Check the kits and the connection

Check the software configuration Copy this chart to the textbox

Access to factory menu, whether the firmware version is the new one

Fig 5.11 Note: When you change the path of the firmware, you must push (3). Click , there will appear the chart as Fig 5.12 to save the configure

Fig 5.12

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5. EDID Program Instruction
5.1 System Connection
The system should be connected as shown below.

VGA DDC burn in

DVI DDC burn in

12V INPUT

Link to Dell TV DVI connector

Link to Dell TV VGA connector Connect to PC LPT

Note: VGA and DVI must not connect at the same time.

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5.2 Run the DDC burn in program

(1) Double-click "WinDDC.exe"; it will appear the figure below:

(2) Click "WriteEDID", it displays the following textbox. Input the Serial Number printed on the barcode label.

13 codes, for example.

(3) The process of DVI DDC burn in is the same to VGA burn in process!

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6. White Balance, Luminance Adjustment
Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment.
Before started adjust white balance, please set the Chroma-7120 MEM. Channel 3 to Natural colors, MEM. Channel 4 to 6500K color, MEM. Channel 9 to 9300K colors and MEM. Channel 10 to 5700K colors (Nature parameter is x =289 � 15, y = 304 � 15, 6500 parameter is x = 313 � 15, y = 329 � 15, 9300 parameter is x = 283 � 15, y = 297 � 15,5700 parameter is x = 328 � 15, y = 344 � 15), The data of Y of all the mode is PC>300,AV>400,S-Video>400,Component>400cd/m2. How to setting MEM.channel you can reference to Chroma-7120 user guide or simple use " SC" key and " NEXT" key to modify x,y,Y value and use "ID" key to modify the TEXT description Following is the procedure to do white-balance adjust after there are no OSD pictures on screen ,Press Number key 0000 will into the factory mode, and press Menu key to enter the Factory Mode. In the factory mode ,the menu as follows: 5700K RGB 6500K RGB the data is the result of RGB after 9300K RGB W/B adjustment; NATURAL RGB Burn In Mode Auto Balance Auto level adjusts. Initial NVRAM Initial EEPROM Boot Power State ON/OFF

The steps of the PC W/B adjustment as follows:
I. Initial the EEPROM Press "Initial NVRAM" button; II. Bias (Low luminance) adjustment: Prepare: ensure the currently mode is PC (VGA) Press "Auto Balance" button (the image is black and white at the PAT42) III. Gain adjustment: 1. Switch the chroma-7120 to RGB-mode (with press "MODE" button) 2. Let the signal output the white image (press pattern 105), select one of the color temp (as Natural6500K 9300K5700K) and adjust RGB until up to 100�3. 3. Select another color temp and follows as item 2.

The steps of the AV W/B adjustment as follows:
The steps of AV W/B adjustment as follows: Gain adjustment: 1. Switch the chroma-7120 to RGB-mode (with press "MODE" button) 2. Let the signal output the white image (press pattern 105), select one of the color temp (as Natural6500K 9300K5700K) and adjust RGB until up to 100�3. 3. Select another color temp and follows as item 2.

The steps of the SV(S-Video) W/B adjustment as follows:
The steps of SV's W/B adjustment is the same as AV's.

The steps of the CP(component) W/B adjustment as follows:
The steps of CP's W/B adjustment as same as PC's.

Max Brightness measurement:
a. Switch to the full white pattern, in normal mode main menu: Set