Related Manuals for Vizio SV420XVT1A_LPL
Summary of Contents for Vizio SV420XVT1A_LPL
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Page 1: Service Manual
Service Manual Model #: VIZIO SV420XVT1A_LPL 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 SV420XVT1A_LPL 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 SV420XVT1A_LPL Service Manual...
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Page 4: Chapter 1 Features
Chapter 1 Features 1. Built in TV channel selector for TV viewing 2. Simulatnueous display of PC and TV images 3. Connectable to PC’s analog RGB port 4. Built in S-video, HDTV, composite video, HDMI and TV out 5. Built in auto adjust function for automatic adjument of screen display 6. - Page 5 Chapter 2 Specification 1. TFT-LCD CHARACTERISTICS Model Name: LPL LC420WUD (Vendor: LG. Philips LCD Co., Ltd) Display Size: 42.02 inches (1067.31mm) diagonal Outline Dimension: 983.0 mm (H) x 576.0 mm (V) x 51.0 mm (D) (Typ.) Pixel Pitch: 0.4845mm x 0.4845mm x RGB Pixel Format: 1920 horiz.
- Page 6 4. POWER SUPPLY Input Voltage Level: 100~240 Vac, 50/ 60 Hz Power Consumption: 300W MAXPower OFF: to less than 1W MAX 5. Speaker Built in Speakers: 3 x 10 W, 2 way, 3.0 ch Optional wireless speakers: Sub-woofer: 25W, SR+LR: 10W+10W 6.
- Page 7 (3) Brightness depends on the temperature. (In lower temperature, it becomes lower.)And in lower temperature, response time (required time that brightness is stable after turned on) becomes longer. (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.
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Page 8: Operation Menu
Chapter 3 On Screen Display On Screen Display (OSD) is a friendly interface providing the function adjusting in our system. Customers could operate it only by few buttons. There is the introduction of the OSD. Main unit button MENU CH ▲ ↑... - Page 9 PICTURE 1-7-6-1 Smooth Motion Effect(Off/Low/Middle/High) 1-7-6-2 Real Cinema Mode(Off/Precision/Smooth) Reset Picture Mode Auto Adjust Backlight(0~100) Brightness(0~100) Contrast(0~100) Color Temperature 1-5-1 Color Temperature(6500, 9300, Custom) 1-5-2 Red(0~255) 1-5-3 Green(0~255) 1-5-4 Blue(0~255) H-Size(0~255) H-Position(0~100) V-Position(0~100) Fine Tune(0~31) AUDIO Audio Mode(Flat, Rock, Pop, Classic, Jazz) Equalizer 2-1-1 120Hz...
- Page 10 AUDIO 2-9-1-1 Auto 2-9-1-2 Left 2-9-1-3 Center 2-9-1-4 Right 2-9-1-5 Rear Left 2-9-1-6 Subwoofer 2-9-1-7 Rear Right 2-9-2 Trim 2-9-2-1 Left 2-9-2-2 Right 2-9-2-3 Rear Left 2-9-2-4 Rear Right 2-9-2-5 Center 2-9-2-6 Subwoofer 2-9-3 Speaker Distance Setup 2-9-3-1 TV(<=1, 1, ,2, 3, …, 15, >=15 ft) 2-9-3-2 Rear Left (<=1, 1, ,2, 3, …, 15, >=15 ft) 2-9-3-3...
- Page 11 CHANNEL Tuner Mode(Cable, Antenna) Auto Search Partial Channel Search 3-3-1 Scan Mode (Analog, Digital, Analog/ Digital) 3-3-2 From Channel (1~135) 3-3-3 To Channel (1~135) Skip Channel MTS(ATV：Mono/Stereo/Sap；DTV：Language1/Language2/Language3) Time Zone(Eastern, Indiana, Central, Mountain, Arizona, Pacific, Alaska, Hawaii, Atlantic, Newfoundland) Daylight Saving(On, Off) SETUP Language(English, Francais, Espanol) 4-2-1...
- Page 12 SETUP 4-6-3-7 Window Color(Black, White, Green, Blue, Red, Cyan, Yellow, Megenta) 4-6-3-8 Window Opacity(Solid, Translucent, Transparent) H/V Position 4-7-1 H. Position (0~64) 4-7-2 V. Position (0~32) 4-7-3 H-Size(0~100) 4-7-4 V-Size(0~100) 4-7-5 Auto Phase Parental 4-8-1 Rating Enable(On, Off) 4-8-2 Channel Block 4-8-3 US TV Rating 4-8-3-1...
- Page 13 SETUP 4-8-6-2 8 ans+ 4-8-6-3 13 ans+ 4-8-6-4 16 ans+ 4-8-6-5 18 ans+ 4-8-7 DTV Rating 4-8-7 Block TV Unrated(Yes/No) 4-8-9 Access Code Edit 4-8-9-1 4-8-9-2 Confirm 4-10 Reset All Setting CONFIDENTIAL – DO NOT COPY Page 3-6 File No. SG-0281...
- Page 14 Operation Menu PICTURE Picture Mode(Custom, Standard, Vivid, Movie, Game, Football, Golf, Basketball, Baseball) Backlight(0~100) Brightness(0~100) Contrast(0~100) Color(0~100) Tint(-32~+32) Sharpness(0~7) Advanced Video 1-7-1 Noise Reduction(Off, Low, Medium, Strong) 1-7-2 Color Enhancement(Off, Normal, Rich Color, Green/Flesh, Green/Blue) 1-7-3 Advanced Adaptive Luma(Off, Low, Medium, Strong, Extend) 1-7-4 Enhanced Contrast Ratio(Off, On) 1-7-5...
- Page 15 PICTURE H-Position(0~100) V-Position(0~100) Fine Tune(0~31) AUDIO Audio Mode(Flat, Rock, Pop, Classic, Jazz) Equalizer 2-1-1 120Hz 2-1-2 500Hz 2-1-3 1.5KHz 2-1-4 5KHz 2-1-5 10KHz Balance(-50~+50) Digital Audio Out(Off, Dolby Digital, PCM) Speakers(On/Off) Analog Audio Out(Fixed, Variable) Lip Sync(0~5) DRC(Off, 1/4, 1/2, 3/4, Full) Wireless Speaker(On, Off) Speaker Setting 2-9-1...
- Page 16 AUDIO 2-9-2-6 Subwoofer 2-9-3 Speaker Distance Setup 2-9-3-1 TV(<=1, 1, ,2, 3, …, 15, >=15 ft) 2-9-3-2 Rear Left (<=1, 1, ,2, 3, …, 15, >=15 ft) 2-9-3-3 Real Right(<=1, 1, ,2, 3, …, 15, >=15 ft) 2-10 Wireless Sround Effect (PrologicII Matrix, PrologicII Movie, PrologicII Music) 2-11 Sound Effect...
- Page 17 SETUP Sleep Timer(Off, 30Minutes, 60Minutes, 90Minutes, 120Minutes) Wide(Wide, Normal, Panoramic, Zoom (only available for MT5382 & MT5382P)) Input Naming 4-6-1 CC on Mute(Off, On) CC (CC1, CC2, CC3, CC4, Service1, Service2 Service3, Service4, Service5, 4-6-2 Service6) 4-6-3 Digital CC Style 4-6-3-1 Caption Style(AS BROADCASTER, CUSTOM) 4-6-3-2...
- Page 18 SETUP 4-8-3-2 4-8-3-3 PG-13 4-8-3-4 4-8-3-5 NC-17 4-8-3-6 4-8-4 Canadian English Rating 4-8-4-1 4-8-4-2 4-8-4-3 4-8-4-4 4-8-4-5 4-8-4-6 4-8-5 Canadian French Rating 4-8-5-1 4-8-5-2 8 ans+ 4-8-5-3 13 ans+ 4-8-5-4 16 ans+ 4-8-5-5 18 ans+ 4-8-6 DTV Rating 4-8-7 Block TV Unrated(Yes/No) 4-8-8 Access Code Edit 4-8-8-1...
- Page 19 Chapter 9 Trouble shooting MONITOR DISPLAY NOTHING (PC MODE) Start Is Power board output +5VSB (F1)? Is J1 connector of MB good? LED is lighted Is DC-DC OK? (Orange green) Is U22 pin2 (+3V3SB) working ok? It is in power saving 1.
- Page 20 (TV, AV VIDEO1,2, S-VIDEO) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check DVD player 1. Check P14 signal 2. Check signal between P14 and U13 (IF AV1 mode) U13 input correct? 3. Check Tuner & U13 (IF TV mode) 4.
- Page 21 (COMPONENT1) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check host’s setting 1. Check signal from P14 2. Check system power 12V& 5V(5VSB) P14 input correct? 1. Check signal between U13 & P3 or P14 2. Check Y1 Clock (60MHZ) U13 input correct? 1.
- Page 22 (SIDE JACK BD COMPONENT2 & VEDIO 2) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check host’s setting 1. Check P15 & P16 connect (MB) 2. Check P503 & P506 connect (SIDE JACK BD) P15/P16 input correct? 3.
- Page 23 HDMI1,2 )IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal 2. Check host’s setting 1. Check P8&P9 connect U13 no data out ? 2. Check the pin18 & 19 of P8& P9 3. Check the pin 6 of U33& U34 1.
- Page 24 HDMI 3, 4 (SIDE JACK BD ) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal 2. Check host’s setting 1. Check P15 & P16 connect (MB) U13 no data out ? 2. Check P503 & P506 connect (SIDE JACK BD) 3.
- Page 25 TROUBLE OF DC-DC CONVERTER Start The voltage is about + 5V(+5VSB) 1. Check power board J1 PIN10,11,12 2. Check power cable, F1 & connection J1 3. Check U22 pin1 (+5VSB) & pin2 (+3V3SB) The voltage is about + 12V while power switch on 1.
- Page 26 TROUBLE OF EDID READING Start Support DDC1/2B 1. Analog cable ok? Is Analog DDC OK? 2 .Check signal (U31 to P5) 3. Check U31 Voltage 4. Is protocol compliant? Support DDC1/2B 1. Analog cable ok? Is HDMI DDC OK? 2. Check signal (U 33 to P8) 3.
- Page 27 TROUBLE OF SPEAKER OUT Start 1. Check cable are good. 2. Check pin 1 of J14/J19 is output 5V J14/J19/J20 3. Check pin 2 of J14/J19 is output 3.3V 1. J2 of cable is good. 2. Check F1 is good Audio BD 3.