Westinghouse LTV-32w4 HDC User manual

Westinghouse Digital Electronics
Santa Fe Springs, CA
www.westinghousedigital.com SE-SG-3201-0601
LTV-32w4 HDC & LTV-40w1 LTV Service Guide 10/1/06

Model No.: LTV-32w4 HDC
LTV-40w1 HDC
LCD TV DVD Combo
SERVICE GUIDE

LCD TV DVD COMBO
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Table of Contents
1. Precautions and Safety Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1 LTV-32w4 HDC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2.2 LTV-40w1 HDC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3. User Controls & Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.1 User Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.2 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.3 On-Screen Display Menu (OSD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
4. Servicing Environment and Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5. Assembly/Disassembly Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Appendix A. Spare Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Appendix B. Exploded Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Appendix C. Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

LCD TV DVD COMBO
1. Precautions and Safety Notices
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Prior to using this manual, please ensure that you have carefully followed all the proce-
dures outlined in the user manual for this product.
• Read all of these instructions.
• Save these instructions for later use.
• Follow all warnings and instructions marked on the product.
• Do not use this product near water.
• This display should be installed on a solid horizontal base.
• When cleaning, use only a neutral detergent cleaner with a soft damp cloth. Do not
spray with liquid or aerosol cleaners.
• Do not expose this display to direct sunlight or heat. Hot air may cause damage to the
cabinet and other parts.
• Adequate ventilation must be maintained to ensure reliable and continued operation
and to protect the display from overheating. Do not block ventilation slots and open-
ings with objects or install the display in a place where ventilation may be hindered.
• Do not install this display near a motor or transformer where strong magnetism is
generated. Images on the display will become distorted and the color irregular.
• Do not allow metal pieces or objects of any kind to fall into the display from ventilation
holes.
• Only for playing 12cm (4.75”) disc. When playing the 8cm disc , you need an adapter.
• Do not touch the playback side of disc and attach paper or tape to discs.
Slots and openings in the cabinet and the back or bottom are provided for ventilation.
To ensure reliable operation of the product and to protect it from overheating, those
openings must not be blocked or covered. The openings should never be blocked by
placing the product on a bed, sofa rug, or other similar surface. This product should
never be placed near or over a radiator or heat register. This product should not be
placed in a built-in installation unless proper ventilation is provided.

2. Specifications
2.1 LTV-32w4 HDC Specifications
LCD TV DVD COMBO
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Item Specifications for LTV-32w4 HDC
Display Area 32" Viewable Diagonal
Resolution 1360x768 Native
1280x1024, 800x600, 1024x768, 720x400, 832x624, 640x480
480i, 480p, 720p, 1080i
Aspect Ratio 16:9
Lamp Life 60,000 hrs
Display Color 16.7 M
Transmissive Mode Normally black
Viewing Angle 176° (H) / 176° (V)
Brightness (Luminance) 400cd/m2
Contrast Ratio 1000:1
Response Time 10 ms
Separate Sync TTL Level
Horizontal Sync Positive/Negative
Vertical Sync Positive/Negative
Composite (Video In) 1 x A/V RCA
S-Video In 1 x S-Video
Component In 2 x YPbPr
VGA In 1 x VGA (RGB)
Antenna In 1 x RF
HDMI In 1 x HDMI
Audio In (Dual RCA) 4 x RCA (Red/White)
(Audio L/R In)
Audio In (Mini) 1 x 3.5mm Stereo
(Headphone)
Audio Out (Dual RCA) 1 x RCA (Red/White)
(Audio L/R Out)
Compatibility Color System ATSC & NTSC
Audio Output Built-in Speaker 2 x 10 watt speakers
Physical Dimensions 31.3" (W) x 25.5" (H) x 7.5" (D)
Weight 36.0 lbs (w/Base)
Power Adapter Input – AC 100-120 VAC
Power Consumption Normal Mode: <180W, Power off Mode : < 3W
Operating Temperature 32°F to 95°F (0°C to 35°C)
Regulation Safety/EMC FCC-B, UL/cUL
DDC Plug & Play VESA DDC1 and DDC2B
Function Function Key 7 + 4 keys
Graphic
Display Panel
Connectors
Other
Preset Timing Mode (Pre-adjusted to reduce blinking: 1360 x 768 at 60Hz)
Warning: Do not set the graphics card in your computer to exceed these refresh rates; doing so may result in permanent dam-
age to the LCD TV.
Note: Product Specifications are subject to change without notice.
1 12.7mm-high , Intermal Type , Slot Load Mechanism
2 Support ISO/IEC 11172 MPEG-1,13818 MPEG-2, 14496-2 MPEG-4 Video Sources
3 Support Dolby Digital, MPEG-I/II Layer 1/2, PCM, LPCM, WMA Audio Formats
4 Playback discs :
DVD-Video, DVD-Audio, DVD+RW, DVD+R, DVD-RW, DVD-R, CD-DA, VCD, SVCD,
ISO9600 (MP3, JPEG, WMA, MPEG4), CD-R, CD-RW
5 Disc Diameter: 12cm (does not support 8cm Disc
DVD
Player

LCD TV DVD COMBO
2.2 LTV-40w1 HDC Specifications
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Item Specifications for LTV-40w1 HDC
Display Area 40" Viewable Diagonal
Resolution 1360 x 768 Native
1280 x 1024, 1024 x 768, 848 x 480,
832 x 624, 800 x 600, 720 x 400, 640 x 480
480i, 480p, 720p, 1080i
Aspect Ratio 16:9
Lamp Life 60,000 hrs
Display Color 16.7 M
Transmissive Mode Normally black
Viewing Angle 176° (H) / 176° (V)
Brightness (Luminance) 500cd/m2
Contrast Ratio 1200:1
Response Time 8 ms
Separate Sync TTL Level
Horizontal Sync Positive/Negative
Vertical Sync Positive/Negative
Composite (Video In) 1 x A/V RCA
S-Video In 1 x S-Video
Component In 2 x YPbPr
VGA In 1 x VGA (RGB)
Antenna In 1 x RF
HDMI In 1 x HDMI-HDCP
Audio In (Dual RCA) 4 x RCA (Red/White)
(Audio L/R In)
Audio In (Mini) 1 x 3.5mm Stereo
(Headphone)
Audio Out (Dual RCA) 1 x RCA (Red/White)
(Audio L/R Out)
Compatibility Color System NTSC & ATSC
Audio Output Built-in Speaker 2 x 9 watt speakers
Physical Dimensions 41.4" (W) x 28.3" (H) x 8.9" (D)
Weight 61.7 lbs
Power Adapter Input – AC 100-120 VAC
60 Hz, 3A (Max)
Power Consumption Normal Mode: 290W
Power off Mode : < 3W
Operating Temperature 32°F to 95°F (0°C to 35°C)
Regulation Safety/EMC FCC-B, CSA (CUL)
DDC Plug & Play VESA DDC1 and DDC2B
Function Function Key 7 keys
Graphic
Display Panel
Connectors
Other
Preset Timing Mode (Pre-adjusted to reduce blinking: 1366 x 768 at 60Hz)
Warning: Do not set the graphics card in your computer to exceed these refresh rates; doing so may result in permanent dam-
age to the LCD TV.
Note: Product Specifications are subject to change without notice.
1 12.7mm-high , Intermal Type , Slot Load Mechanism
2 Support ISO/IEC 11172 MPEG-1,13818 MPEG-2, 14496-2 MPEG-4 Video Sources
3 Support Dolby Digital, MPEG-I/II Layer 1/2, PCM, LPCM, WMA Audio Formats
4 Playback discs :
DVD-Video, DVD-Audio, DVD+RW, DVD+R, DVD-RW, DVD-R, CD-DA, VCD, SVCD,
ISO9600 (MP3, JPEG, WMA, MPEG4), CD-R, CD-RW
5 Disc Diameter: 12cm (does not support 8cm Disc
DVD
Player

LCD TV DVD COMBO
3. User Controls & Connectors
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3.1 User Control
User controls to access the On Screen Display menu can be found on the right side of the
LCD TV or by using the remote control to display the OSD. The OSD menu is defined in a
following section.
MENU 1. Menu Turn OSD Menu ON/OFF
+ VOL - 2. Volume + / - Increase/Decrease sound volume or adjust a highlighted control while in
the OSD Menu
+ CH - 3. Channel + / - Channel up/down when input is TV or highlight a control while in the OSD
Menu
INPUT 4. Input source Select Active Video Input or choose a selection while in the OSD MENU
5. Power Power ON/OFF
Play/Pause Play & Pause button, to play, pause or resume play back
 Chapter Forward Push once for Fast Forward; Push and hold for Chapter Forward
 Chapter Reverse Push once for Fast Reverse; Push and hold for Chapter Reverse
STOP Push once to stop and remember last position; Push twice to stop and
return to top menu
Control Keys
DVD eject key IR receiver Disc insert port
Control keys
Input
Connectors

LCD TV DVD COMBO
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1. S-Video Input
Connect to an external video device such as a digital
cable/satellite receiver, VCR, DVD or video game system.
2. Video Input
Connect the Composite Video to an external video device such
as VCR, DVD and video game system.
3. AV & S-Video Audio Input (Right / Left)
Connect an external audio source to this jack (Audio (R/L).
This connection supports either S-Video or AV input.
4. SPDIF Output
Connect this output to an external audio receiver with
SPDIF function.
5. Audio Output (Right / Left)
Connect this output to an external audio receiver.
6. ANT (RF-input)
Connect the LCD TV to an antenna or cable service.
7. SERVICE
For ATSC software update source.
8. VGA Audio IN
Connect to the Audio out (blue) from a computer.
9. VGA
Using a 15-pin VGA cable, connect to a computer or other
device with a VGA output.
10. YPbPr1 Input
Connect an external video device with component output to
these jacks.
11. YPbPr1 Audio 1 Input (Left / Right)
Connect an external audio source to this jack.
12. YPbPr2 Input
Connect an external video device with component output to
these jacks.
13. YPbPr2 Audio 2 Input (Left / Right)
Connect an external audio source to this jack.
14. HDMI input
Connect external video devices with HDMI output to this jack.
15. HDMI Audio Input (Left / Right)
Connect an external audio source to these jacks.
16. AC IN (Power)
Connect the power cord from AC IN to a power source.
3.2 Connectors

LCD TV DVD COMBO
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3.3 On-Screen Display Menu (OSD):
All the functions can be adjusted either by the remote control or using the control keys on
the right side of LCD TV DVD combo.
To display the OSD main menu, press the Menu button on the right side of front control
keys of the LCD TV DVD combo or the MENU key on the remote control. Press  / arrow
keys to select desired OSD Menu and  / arrow keys to select desired OSD sub-menu.
IMAGE SETTING:
Function Name Function
BRIGHTNESS Brightness adjustment
CONTRAST Contrast adjustment
SATURATION Saturation adjustment
HUE Hue adjustment
SHARPNESS Sharpness adjustment (Sharpness cannot be adjusted in PC mode)
COLOR TEMP Color temperature adjustment (Color 1, Color 2, Color 3)
RESET Select “YES” to call the factory default setting for image setting
Select “NO” to keep your picture adjusts setting
VGA SETTING VGA setting adjustment

LCD TV DVD COMBO
DISPLAY SETTING:
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Function Name Function
MAIN SOURCE Select main screen sources:
“TV”,”HDTV”, ”VIDEO”, ”S-VIDEO”, ”YPbPr1”, ”YPbPr2”, “VGA”, “DVD”, “HDMI”
PIP SOURCE Select sub screen sources
ASPECT RATIO Select “STANDARD”, ”FILL”
PIP MODE Select “OFF”, ”PIP”, ”PBP”, ”POP”.
SWAP Swap main screen and sub-screen source.
PIP SIZE Sub screen display size adjust
(“SMALL”, ”MEDIUM”, ”LARGE”)
PIP POSITION Sub screen display horizontal /vertical position adjustment.
AUDIO FROM Select main screen or sub screen audio sources.
SUB
Main VGA HDTV Video DVD S Video YPbPr1 YPbPr2 TV HDMI
VGA X X X O X X X X O
HDTV X X X O X X X X O
Video X X X O X X X X O
S Video X X X O X X X X O
YPbPr1 X X X O X X X X O
YPbPr2 X X X O X X X X O
TV X X X O X X X X O
DVD O O O X O O O O X
HDMI O O O X O O O O X
Table 1:

LCD TV DVD COMBO
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AUDIO SETTING:
Function Name Function
BASS Bass adjustment
TREBLE Treble adjustment
BALANCE Balance adjustment
MTS Select STEREO, MONO, or SAP
MUTE Select audio “OFF” or “ON”
SPEAKER Select “internal”, “external”, or “Both” speakers
AUDIO OUT Select SPDIF OUT for 2.1 channel or 5.1 channel
RESET Select “YES” to recall the audio default setting, “NO” to keep current audio
adjusts setting

LCD TV DVD COMBO
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TV/HDTV SETTING:
Function Name Function
TV SYSTEM CABLE STD CABLE IRC ANTENNA
AUTO SCAN Select “NO” or “YES”
CHANNEL EDIT Select “ADD” or “DELETE”
LOCAL TIME Select local time: “CANADA”, “EASTERN”, “CENTRAL”, “MOUNTAIN”,
“PACIFIC”,”ALASKA”,“HAWAII”, “SAMOA”, “NEWFOUNDLAND”
DAYLIGHT SAV Day light saving: On mode: “daylight saving” times to begin
Off mode: “daylight saving” is over

LCD TV DVD COMBO
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PARENTAL CONTROL:
The parental controls feature prevents viewers from watching programs that are not age-
appropriate, such as programs containing violence or adult language.
Function Name Function
PASSWORD The factory default password is “0000”. Use remote control to key in the number and
enter the parental controls sub-menu.
TV PG RATING Select “TV-MA”, “TV-Y”, ”TV-Y7”, ”TV-G”, ”TV-PG”, ”TV-14”, ”TV-MA” or “OFF”.
MPAA RATING Select “G”, “PG-13”, ”R”, “NC-17”, “X”, or “OFF”
DVD RATING Select “KID SAFE”, ADULT ONLY”, or “OFF”
PASSWORD EDIT Enter new password
TV PG Rating MPAA Rating
TV Y All children NONE Not available
YTV Y7 For elder children G General audience
TV G General audience PG Parental guidance suggested
TV PG Parental guidance suggested PG-13 Parents strongly cautioned
TV 14 Parents strongly cautioned R Restricted
TV MA Mature audience only NC 17 No one 17 and under admitted
OFF None X Adult audience only
OFF None

LCD TV DVD COMBO
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GENERAL SETTING:
Function Name Function
TRANSPARENCY Set OSD transparency level
MENU POSITION OSD horizontal/vertical position adjustment
SYSTEM INFO Display input source, type and signal
CLOSED CAPTION Turn the closed caption OFF or CC1, CC2, CC3, CC4, TEXT1, TEXT2, TEXT3, TEXT4
LANGUAGE OSD language selection
SLEEP TIMER Set sleep timer to turn off the power automatically
MENU TIMEOUT Set the time to turn off the OSD
BACKLIGHT Backlight adjustment
NEXT PAGE Select to next page
POWER ON PLUG
Memory: To memorize the DC power status. If last DC power status is on, TV will power
on automatically when plugged back in.
OFF: turn off POWER ON PLUG function.
LED SET ON: Turn on TV indicator LED.
OFF: Turn off TV indicator LED.
FACTORY RESET YES: recall OSD default setting.
NO: skip the change.
PREVIOUS PAGE Return to previous GENERAL SETTING page.

LCD TV DVD COMBO
DVD SETTING
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Function Name Function
DOWN MIX Select DVD audio STEREO →LT/RT
REPEAT Press ENTER to scroll repeat options: CHAPTER, TITLE, ALL
DEMO MODE ON: auto play disc and repeat playback
OFF: Turn off auto play disc and repeat playback
SUBTITLE To display disc subtitle, only available for DVD
AUTO WAKE ON: Turn on auto wake function
OFF: Turn off auto wake function
AUTO SELECT To select Audio Language, only available for DVD
RESET Slect “YES” to recall the factory default setting of DVD, “NO” to skip the setting

LCD TV DVD COMBO
4. Servicing Environment & Tools
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Volt Meter (Fig. 1) Screwdriver Set (Fig. 2)
Servicing Environment
1. This LCD TV DVD COMBO should be used only with the power source type identified on
the package and User’s Guide
2. Service the LCD TV DVD COMBO in a room with low humidity and free of dust.
3. Place the LCD TV DVD COMBO on a firm, level surface. Subjecting the LCD TV DVD
COMBO to a drop or sharp impact may cause severe damage to thin glass, plastic surface
materials, and internal components.
4. If necessary, clean the LCD TV DVD COMBO with a slightly damp cloth using clean water.
Disconnect the LCD TV DVD COMBO from the power source before cleaning. DO NOT use
ammonia-based cleaning products.
5. In the event that the powered LCD rapidly heats, or emits unusual smells or noises, imme-
diately disconnect the LCD TV DVD COMBO From the power source.
6. To avoid electrical hazard, make sure that the LCD TV DVD COMBO is fully assembled, the
casing closed, and the screws tightened completely before plugging in LCD TV DVD
COMBO for testing.
7. Internal components of LCD display may be damaged by electrostatic discharge(ESD).
Carry out repairs in an ESD-protected workshop If no such workshop is available, wear an
antistatic wrist strap or touch a highly conductive metal object.
8. Before opening the housing, disconnect the product from all power source and remove
any connecting cable. If the display has not been disconnected from the power outlet
before being opened, there is a danger to life through electric shock. There is also a risk
of damage to the components.