HP LT4200 Setup guide

HP LT4200 42-Inch LCD High-Definition Television 454402-001 page1
1
Covers/mounting/stand
1 Stand neck assy, including:
- Stand neck
- Repair screw kit
455589-001
* Stand base 452086-001
2 Back cover/bucket 452094-001
3 Mesh bracket board cover 452098-001
4 Internal support wall mount 452097-001
5 I/O bracket with AC inlet 452126-001
*Not shown
Misc parts
1 Power supply assy, including:
- Power supply
- Cable: Power supply to main board
455592-001
2 Speakers (L and R and wire connectors) 452108-001
3 Front bezel including speaker cover 452116-001
* Remote control 452113-001
* Cable clamp 452127-001
* VGA cord 453143-001
* Whole unit - head only 451706-001
* Power cord 8121-0740
* Repair screw kit, includes: 452128-001
Screw hex I#4-40/O#4-40 L7 NI (2) Screw pan W/FLT SPG M3*8L NI (4)
Screw T M4 P0.7 8L NI SAE1018 (4) W37A-Screw-speaker-M3X10 (2)
Screw M3X0.5 6L black ZN (4) Screw M3 6L P T black ZN (4)
Screw M4 6L M black ZN W32A (10) Screw M4 10L P T black ZN W32A (4)
Screw M5 15L M black ZN W32A (8) Screw tap flat M4*10L NI (4)
*Not shown
Illustrated Parts & Service Map
HP LT4200 42-Inch LCD High-Definition Television
© 2007 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. HP shall not be liable for technical or editorial errors or omissions con-
tained herein. Intel, Pentium, Intel Inside, and the Intel logo are trademarks or registered trademarks of the Intel Corporation and its subsidiaries in the U. S. and other countries.
Document Number 454402-001. 1st Edition June 2007
Boards
1 Main board assy, including:
- Main board
- Cable: Main board to power supply
455595-001
2 Inverter board assy, including:
- Inverter boards: Master and slave (master shown)
- Cables: Master and slave
455598-001
3 Control board assy, including:
- Control board
- LVDS cable
- Ribbon cables (4)
455602-001
4 Keypad/Infrared assy, including:
- Keypad buttons
- Keypad PCA board
- Infrared board
- Cable: Main board to keypad
455604-001
Key Specifications
Resolution 1920 (H) x 1080 (V)
Brightness 500 cd/m2
Contrast ratio 1200:1
Viewing angle 176 degrees
Response time 8 ms
Expected lifetime 60,000 hours
Scalar Trident LX66
Supported input 480i, 480p, 720p, 1080i, 1080p (HDMI only)
Connectivity AV in (2), Component In (YPbPr) (2), HDMI, (3), S-Video In (2),
Antenna In (1), PC VGA In (1), Analog Audio In (L/R) (5), Pc Audio
In (1), RS-232c (1), USB Port (1), Audio Out (1), SPDIF Out (1)
Speakers 2 x 10W, 1 way
Tuning ATSC/NTSC/Clear - QAM
Power supply 120 V AC 60 Hz
Power consumption 300 W
Panel manufacturer CMO
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1
4
3
3
4
3
2
5
2
2

HP LT4200 42-Inch LCD High-Definition Television 454402-001 page2
Component Placement
Main Board Layout
LED Indicators (all on main board)
I/O Connectors
TV Indicators and Controls
SimpleMenu
No Description No Description
1 Main board 5 Speaker right
2 Keypad board 6 Power supply unit board
3 IR board 7 AC socket
4 Speaker left 8 Inverter
Connector Specification Description
CN19 13 pins/ROHS Power supply from power converter board CN114
CN15 28 pins/ROHS LVDS output signal (Between main board and panel)
CN18 4 pins/ROHS Audio power
CN12 11 pins/ROHS Keypad and IR control (connect to keypad board and IR
board)
Indicator Blink Frequency Failure Part
Amber and aqua LED blinking 1 sec interval MCU Host link error
Amber LED blinking 1 sec interval TAFE does not respond
Aqua LED blinking 1 sec interval Tuner does not respond
Amber LED blinking 2 sec interval Digital Demodulator does not respond
Aqua LED blinking 2 sec interval Audio process does not respond
Amber and aqua LED blinking 2 sec interval More than two I2C devices error
Name Description
HDMI Digital High Definition Input Video Input Connector with
HDCP - Type A
• HDMI 1 (with HDMI audio in L and R)
• HDMI 2
• HDMI 3
Audio L and R must be set to PCM at the source across
HDMI.
VGA VGA monitor input with audio L/R (line in)
Audio-Input • Digital (Optical) in Dolby Digital or PCM format) (S/
PDIF)
• Audio Output L and R stereo analog (RCA)
ANT/Cable in (RF input) 75-ohm unbalanced, F-type for VHF/UHF/CATV in
Component High Definition Input • 1: Y, Pb, and Pr, and audio L and R
• 2: Y, Pb, and Pr, and audio L and R
Serial RS-232 Serial input (Commercial use only)
Standard Definition Input • AV Input 1: S-Vid, Video, and Audio L and R
• AV Input 2: S-Vid, Video, and Audio L and R
Service Port USB (For firmware upgrade use)
POWER Power button turns on the TV or places it in standby mode.
MENU Menu displays the on-screen display (OSD) or closes the OSD menu.
SELECT SELECT starts the Auto Sync function for a connected PC signal. In an
OSD menu, selects the highlighted item in the OSD.
SOURCE Source (SRC) selects the input Menu. In an OSD menu, this functions
as a back button or moves you up one item or menu level.
+CH
-CH
Channel (CH) selects the next or previous channel. In an OSD menu,
press these buttons to move up or down in the menu.
+VOL
-VOL
Volume (VOL) raises or lowers the sound level. In an OSD menu, press
these buttons to move right or left in the menu or to adjust an item.
LED Indicator
(left)
• Amber: TV is powering on (light turns off after about 30 seconds).
• HP Aqua Blue: TV is off but plugged into the power source.
• No light: TV is on or AC power cord is disconnected.
Remote Control Sensor
(Right)
Receives the signal from the remote control.
Main Sub1 Sub2/Options
Picture Mode Vibrant
Standard
Studio User
Brightness
Contrast
Saturation
Hue
Sharpness
Color Temp Cool
Standard
Warm
Aspect Ratio Auto
16:9 Mode
4:3 Mode
Zoom1
Zoom2
Panorama
PC Auto Sync
Audio Mode Voice
Standard
Music
Other
Auto Volume On
Off
Virtual Surround Off
Theater
Music Hall
Speaker On
Setup Caption On
Off
On Mute
Default Settings Reset
Wiring Diagram