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Vizio SV422XVT Service Manual

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Service Manual

Model : VIZIO SV422XVT
(LC420WUF-SBM1-7R1-A0)
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 SV422XVT

  • Page 1: Service Manual

    Service Manual Model : VIZIO SV422XVT (LC420WUF-SBM1-7R1-A0) V, Inc 320A Kalmus Drive Costa Mesa, CA 92626 TEL : +714-668-0588 FAX :+714-668-9099 Top Confidential...
  • Page 2 7. Theory of Circuit Operation 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 VIZIO SV422XVT 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 SV422XVT Service Manual...

  • Page 4: Chapter 1 Features

    Chapter 1 Features 1. Built in TV channel selector for TV viewing 2. Simultaneous display of PC and TV images 3. Connectable to PC’s analog RGB port 4. Built in S-video, HDTV, composite video, HDMI 5. Built in auto adjust function for automatic adjacent of screen display 6.
  • Page 5 Chapter 2 Specification 1. TFT-LCD CHARACTERISTICS Model Name: RAKEN LC420WUF-SBM1-7R1 Display Size: 42.02 inches (1067.31mm) diagonal Outline Dimension: 983.0mm (W) x 576.0 mm (H) x 46 mm (D) Pixel Pitch: 0.4845mm x 0.4845mm x RGB Pixel Format: 1920 horiz. By 1080 vert. Pixels RGB strip arrangement Display Operating Mode: Transmissive mode, normally Black Surface Treatment: Hard Coating (3H), Anti-glare treatment of the front polarizer (Haze 13%)
  • Page 6 4. POWER SUPPLY Input Voltage Level: 100~240Vac, 50/ 60 Hz Power Consumption: 300W MAXPower OFF: to less than 1W MAX 5. Speaker Built in Speakers: 2 x 15 W 6. ENVIRONMENT Operating Temperature: 0c~40c (Ambient) Operating Humidity:10%~90%RH(Non-condensing) Operating Altitude: 0 -14,000 ft Non-Operating : 0-4000 ft 7.
  • Page 7 (4) Be careful for condensation at sudden temperature change. Condensation makes damage to polarizer or electrical contacted parts. And after fading condensation, smear or spot will occur. (5) When fixed patterns are displayed for a long time, remnant image is likely to occur.
  • Page 8 Chapter 3 On Screen Display 1.1. Operation: Main unit button (1) POWER (2) MENU (3) CH + (4) CH - (5) VOL + (6) VOL - (7) INPUT 1.2. OSD Adjustment 1.2.1. Input Source Selection Comp HDMI [1 -3] HDMI-Side 1.2.2.
  • Page 9 Input Source Selection Comp HDMI-1 HDMI-2 HDMI-3 / DVI HDMI Side Screen Mode AV/COMP/HDMI/ATV Source Resolution 480i/p 720p,1080i/ 480i/ 720p,1080i/ 16:9 Zoom1 Zoom2 Full Stretch Page 3-2 CONFIDENTIAL – DO NOT COPY File No. SG-0324...
  • Page 10 Closed Caption Analog Closed Caption <OFF> (Off, CC1, CC2, CC3, CC4) Digital Closed Caption <OFF> (Off, CC1, CC2, CC3, CC4, CS1, CS2, CS3, CS4, CS5, CS6) Digital CC Style: 1 Caption Style As Broadcast 2 Caption Style Custom 2.1 Text Size (As Broadcast, Small, Standard, Large) 2.2 Color (As Broadcast, Black, White, Green, Blue, Red, Cyan, Yellow, Magenta)
  • Page 11 Sleep Timer Timer <Off> (Off, 30 minutes, 60 minutes, 90 minutes, 120 minutes, 180 minutes) PIP Controls PIP Mode <Off> (Off, PIP POP) Source <HDMI1-3> or <TV, AV, Comp ,VGA> Input Source Selection 1 (HDMI-1, HDMI-2, HDMI-3 / DVI, HDMI-Side) 2 (TV, AV, Comp, RGB) Position <Top Right>...
  • Page 12 TV Settings Input Source: (TV, AV, Comp HDMI1-3, HDMI-Side, RGB) Picture Audio Tuner Name Input Device Setup Parental Controls Menu Language Time & Local Settings Network Network connection Wired Connection Connected Manual Setup DHCP ON OFF IP address: 192.168.X.X Subnet Mask: 255.255.255.0 Default Gateway:192.168.X.X Pref.
  • Page 13 Default Gateway:192.168.X.X Pref. DNS server:192.168.X.X Alt. DNS server: X.X.X.X RJ45 MAC add. XX:XX:XX:XX:XX:XX Wireless MAC Add: XX:XX:XX:XX:XX:XX Test Connection Enter Access Point Name BlueTooth UnPair devices Pair devices Start Searching for devices Stop searching Page 3-6 CONFIDENTIAL – DO NOT COPY File No.
  • Page 14 TV AV Comp HDMI mode Picture mode 1 Picture mode (Standard Movie Game Vivid Football Golf Basketball Baseball Custom) Backlight 0-100 Brightness 0-100 Contrast 0-100 Color 0-100 Tint -32-+32 Sharpness 0-16 2 More 2.1 Size & Position Horiz,Position: 0-64 Vertical.Position: 0-32 Horizontal Size: 0-100 Vertical.Size:0-100 2.2 Color Temperature...
  • Page 15 Color Enhancement (Off, Normal, Rich Color, Green/Flesh, Green/Blue) Advanced Adaptive Luma (Off, Low, Medium, Strong, Extend) Film Mode (off, Auto) Backlight Control (off, DCR,OPC) 2.4 Reset Picture mode Picture Settings RGB Mode 1 Brightness 0-100 2 Contrast 0-100 3 Size & Position Auto Adjust Horiz.
  • Page 16 Audio Audio Setting 1 Audio Mode (Jazz, Classic, Pop, Rock, Flat) 2 Balance (-50 ~ +50) 3 Lip Sync (0 ~ 3) 4 TV Speakers (On, Off) 5 Advanced Audio SRS TruSurround HD (Off, On) SRS TruVolume (Off, On) Digital Audio Out(Dolby Digital, PCM, Off) Analog Audio Out(Fixed, Variable) Audio Control (TV External) 6 Equalizer...
  • Page 17 Tuner Settings Tuner 1 Tuner Mode (Antenna, Cable) 2 Auto Channel Scan 3 Partial Channel Search 3.1 Scan mode (Analog, Digital) 3.2 From Channel 3.3 To Channel 3.4 Start 4 Add Analog Channel ( Parental Controls ) 4.1 Enter Channel 4.2 Add Channel 5 Skip Channel 6 Analog MTS (Mono, Stereo, SAP)
  • Page 18 Device Setup 1 Pick Device Type (VCR,DVD,Sat, PVR,PCVR,HID Devices) 2 Pick Device Brand 3 Confirm Remote Connection It Worked Try the Next Code Parental controls Enables Rating (Off, On) Channel lock US TV Ratings TV-Y (All) TV-Y7 (All, FV) TV-G (All) TV-PG (All, D, L, S, V) TV-14 (All, D, L, S, V) TV-MA (All, L, S, V)
  • Page 19 EntireAudience None TV-G TV-PG TV-14 TV-MA Dialogue Language Violence Children Children Fantasy Violence MPAA Canadian English Ratings Canadian French Ratings 8 ans+ 13 ans+ 16 ans+ Page 3-12 CONFIDENTIAL – DO NOT COPY File No. SG-0324...
  • Page 20 18 ans+ Block Unrated Shows (off, on) Change PIN New PIN Confirm PIN RESET LOCKS Menu language English French Spanish Page 3-13 CONFIDENTIAL – DO NOT COPY File No. SG-0324...
  • Page 21 Time & Local Settings 1Time Zone Alaska(US) Hawaii(US) Pacific(US,CAN) Mountain(US,CAN) Central(US,CAN) Eastern(US,CAN) Atlantic(CAN) Newfoundland(CAN) Indiana(US) Arizona (US) 2 Daylight Saving (On, Off) 3 Postal Code Help System info Reset TV Settings Clear Memory(Factory Default) Page 3-14 CONFIDENTIAL – DO NOT COPY File No.
  • Page 22 1.3. Widget Dock (TBD) Yahoo Widget Profile News Finance Weather Gallery Widget 3th party Flicker Amazon Video tbd FunSpot NetFlix Rhapsody Page 3-15 CONFIDENTIAL – DO NOT COPY File No. SG-0324...
  • Page 23 Chapter 9 Trouble shooting MONITOR DISPLAY NOTHING (PC MODE) Start Is Power board output +5VSB (F10)? LED is lighted Is J1 connector of MB good? IS F12 have 5V? (Orange) It is in power saving 1. Check video cable 2. Is the timing supported? LED is lighting? 3.
  • Page 24 (TV, AV VIDEO1, S-VIDEO) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check DVD player 1. Check P7 signal 2. Check signal between P7 and U13 (AV1 mode) U13 input correct? 3. Check Tuner & U13 (IF TV mode) 4.
  • Page 25 (COMPONENT) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check host’s setting 1. Check signal from P2 2. Check system power P2 input correct? 1. Check U13 Power 2. Check Y2 Clock (54MHZ) U13 input correct? 3.
  • Page 26 HDMI1,2,3,side HDMI )IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal 2. Check host’s setting 1. Check P12&P13&P17&P14 connect U13 no data out ? 2. Check the pin18 & 19 of P12& P13&P17&P14 1. Is J15,J16 connected is good? 2.
  • Page 27 TROUBLE OF DC-DC CONVERTER Start The voltage is about + 5V(+5VSB) 1. Check power board 2. Check power cable, F10 & connection J1 J1 PIN10,11,12,13,14 3. Check Standby power (+5VSB/+3V3SB/2V5VSB/1V8VSB/1V2VSB) The voltage is about + 12V while power switch on 1.
  • Page 28 TROUBLE OF EDID READING Start Support DDC1/2B 1. Analog cable ok? Is Analog DDC 2 .Check signal (U33 to P5) 3. Check U33 Voltage 4. Is protocol compliant? CONFIDENTIAL – DO NOT COPY Page 9-6 File No. SG-0324...
  • Page 29 VUR10 : BLUETOOTH MODE IS NOT ACTIVE Start 1. Is the polarity of Battery right? 2. Is the power of Alkaline AAx2 battery above 2.4? Is Battery OK? 1. Press and hold <P>+<Q>+<Space> together once to go back to remote factory default settingIR mode.
  • Page 30 ’ IRELESS CAN T CONNECT TO INTERBET Star 1. Check Wireless AP power Connect? 2. Check ADSL Cable Connect? 1. Check the Security Setting SSID or password 2. Make sure the same security key CONFIDENTIAL – DO NOT COPY Page 9-8 File No.
  • Page 31 ’ THERNET CAN T CONNECT TO NTERNET Start 1. Check ADSL Cable connected or not 2. Make sure the Router is powered on. The Power LED should be green Connect? 1. Check the IP address are provide by ISP Connect? 2.