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Vizio VW42L Service Manual
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Vizio VW42L Service Manual

Vizio VW42L Service Manual

42.0” wuxga tft lcd
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Service Manual

Model #: VIZIO VW42L
FHDTV10A_LPL/AUO
V, Inc
320A Kalmus Drive Costa Mesa, CA 92626
TEL : +714-668-0588 FAX :+714-668-9099
Top Confidential

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Summary of Contents for Vizio VW42L

  • Page 1: Service Manual

    Service Manual Model #: VIZIO VW42L FHDTV10A_LPL/AUO V, Inc 320A Kalmus Drive Costa Mesa, CA 92626 TEL : +714-668-0588 FAX :+714-668-9099 Top Confidential...
  • Page 2 8. Waveforms 9. Trouble Shooting 10. Block Diagram 10-1 11. Spare parts list 11-1 12. Complete Parts List 12-1 Appendix 1. Main Board Circuit Diagram 2. Main Board PCB Layout 3. Assembly Explosion Drawing Block Diagram VIZIO VW42L FHDTV10A_LPL/AUO Service Manual...
  • Page 3 Use a power cable that is properly grounded. Always use the AC cords as follows – USA (UL); Canada (CSA); Germany (VDE); Switzerland (SEV); Britain (BASEC/BS); Japan (Electric Appliance Control Act); or an AC cord that meets the local safety standards. VIZIO VW42L FHDTV10A_LPL/AUO Service Manual...

  • Page 4: Chapter 1 Features

    Chapter 1 Features Built in TV channel selector for TV viewing Simultaneous display of PC and TV images Connectable to PC’s analog RGB port Built in HDTV, composite video, S-Video ,HDMI ,ATV out and DTV out ,Audio line out, Audio optical out Built in auto adjust function for automatic adjument of screen display Smoothing function enables display of smooth texts and graphics even if image with resolution lower than 1920x1080 is magnified...
  • Page 5 Chapter 2 Specification 1. TFT LCD CHARACTERISTICS 42.0”WUXGA TFT LCD Item Specification Active Screen Size 42 inch diagonal Outline Dimension 983.0(H) x 576.0 (V) x 51.0 mm(D) (Typ.) Pixel Pitch 0.4845 mm Pixel Format 1920 horiz. by 1080 vert. Pixels, RGB stripe arrangement Color Depth 8-bit, 16.7 M colors Luminance, White...
  • Page 6 7. Dimensions (Physical dimension) With Base Without Base a. Height 722mm 694mm b. Width 1028mm 1028mm c. Depth 245mm 99.0mm 8. Weight (Physical weight) a. Net 21.8 kgs b. Gross 27.6 kgs 9. Precautions Please pay attention to the followings when you use this TFT LCDmodule. 9-1.
  • Page 7 (8) Normal-hexane is recommended for cleaning the adhesives used to attach front / rear polarizers. Do not use acetone, toluene and alcohol because they cause chemical damage to the polarizer. (9) Wipe off saliva or water drops as soon as possible. Their long time contact with polarizer causes deformations and color fading.
  • Page 8 9-4. Precautions for Strong Light Exposure Strong light exposure causes degradation of polarizer and color filter. 9-5. Storage When storing modules as spares for a long time, the following precautions are necessary. (1) Store them in a dark place. Do not expose the module to sunlight or fluorescent light.
  • Page 9 Chapter 3 On Screen Display Main unit button Power MENU CH ▲ CH ▼ VOL + VOL - Input On Screen Display TV Source A. Picture： a. Picture Mode (Custom/ Standard / Movie / Game) b. Backlight (0~100) c. Brightness (0~100) d.
  • Page 10 B. Audio： a. Volume (0~100) b. Bass (0~100) c. Treble (0~100) d. Balance (-50~50) e. Surround (On/Off) Digital Audio Out (Off/Dolby Digital/PCM) g. Speakers (On/Off) h. Lip Sync (0~5) C. TV： a. Tuner Mode (Antenna/Cable) b. Auto Search c. Skip Channel (Cable 1~135 / Antenna 2~69) d.

  • Page 11: Rgb Mode

    h. H/V Position h-2. V.Position (0~32) h-3. H.Size (0~100) h-4. V.Size (0~100) Reset All Setting E. Parental： a. PASSWORD RGB Mode A. Picture： a. Auto Adjust (Run) b. Backlight (0~100) c. Brightness (0~100) d. Contrast (0~100) e. Color Temperature(Custom/6500/9300) e-1. Custom： Red (0~255) Green (0~255) Blue (0~255)

  • Page 12: Hdmi Mode

    C. Setup： a. Language (English/Francais/Espanol) b. Sleep Timer (Off/30 Minutes/60 Minutes /90 Minutes /120 Minutes) c. Wide (Wide/Zoom/Panoramic/Normal) d. Input Naming (AV/Comp1/Comp2/RGB/HDMI1/ HDMI2/ HDMI3) e. Reset All Setting HDMI MODE A. Picture： a. Picture Mode (Custom/ Standard / Movie / Game) b.
  • Page 13 g. Speakers (On/Off) h. Lip Sync (0~5) C. Setup： a. Language (English/Francais/Espanol) b. Sleep Timer (Off/30 Minutes/60 Minutes /90 Minutes /120 Minutes) c. Wide (Wide/Zoom/Panoramic/Normal) d. Input Naming (AV/Comp1/Comp2/RGB/HDMI1/ HDMI2/ HDMI3) e. H/V Position e-1. H.Position (0~64) e-2. V.Position (0~32) e-3.
  • Page 14 i-5 Flesh Tone (On/Off) i-6 Adaptive Luma (On/Off) B. Audio： a. Volume (0~100) b. Bass (0~100) c. Treble (0~100) d. Balance (-50~50) e. Surround (On/Off) Digital Audio Out (Off/Dolby Digital/PCM) g. Speakers (On/Off) h. Lip Sync (0~5) C. Setup： a. Language (English/Francais/Espanol) b.
  • Page 15 D. Parental： PASSWORD CONFIDENTIAL – DO NOT COPY Page 3-7 File No. SG-0264...
  • Page 16 Chapter 9 Trouble shooting MONITOR DISPLAY NOTHING (PC MODE) Start Is Power board output +5VSB &DV12? LED is lighted connector good? Is DC-DC OK? (+5V) working ok? It is in power saving Check video cable Is the timing supported? LED is lighting? Check sync input Check VGA SOG rout if analog (SOG)
  • Page 17 (TV, COMPOSITE VIDEO ) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check DVD player 1. Check P2(VIDEO) signal 2. Check signal between (IF IN AV input correct? mode) 1. Check :DV33&DV12&AV15&AV12 2. Check is OK? output correct? 1.
  • Page 18 (COMPONENT) IS NOT DISPLAY CORRECTLY Start 1.Check video Input signal good? 2.Check host’s setting 1.Check signal between input correct? 2.Check power 12V& 5v 1.Check signal between U14&P1 2.Check Clock (60MHZ) input correct? 3.Check :DV33&DV12&AV15&AV12 1.Check LVDS output correct ? 2. Check LVDS 5V or 12V 1.Is connected good? 2.Is panel working ok?
  • Page 19 HDMI ) IS NOT DISPLAY CORRECTLY Start 1.Check video Input signal good? 2.Check host’s setting 1.Check power 2.Check between signal no data out ? 3.Check clock 60MHZ 1.Is connected good? 2.Is panel working ok? CONFIDENTIAL DO NOT COPY Page 9-4 –...
  • Page 20 ROUBLE OF DC-DC CONVERTER Start The voltage is about 5VSB 1. Check power board 2. Check power cable connection J1 PIN9,10,11 The voltage is about + 12V while power switch on connection good 2. Check J1 Pin2,3,4 transform +5V_TUNER J1 PIN 2,3,4 3.
  • Page 21 TROUBLE OF DDC READING Start Support DDC1/2B Analog DDC OK? 1. VGA cable ok? 2. Check signal (U31 to 3. Check Voltage 4. Is compliant protocol? Support DDC1/2B HDMIDDC OK? 1. HDMI cable ok? 2. Check signal (U32 to 3. Check signal (U33 to 4.
  • Page 22 (TV_SIDE, AUDIO) IS NOT DISPLAY CORRECTLY Start 1. Check Audio source Input signal good? 2. Check the player of source 1. Check Power of U37 (L54) 2. Check signal for MT8292 input correct? (C178_R,C183_L) Check MT8292 CE94(ChL)and C95(ChR) AV in Check signal correct? CE96(ChL) and CE97(ChR)Lineout...

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Vw42l fhdtv10a auo