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Summary of Contents for Vizio VP423
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Page 1: Service Manual
Service Manual Model #: VIZIO VP423 HDTV10A_Samsung 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 VP422 HDTV10A_Samsung 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 VP422 HDTV10A_Samsung Service Manual...
- Page 4 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 in. 5. Built in auto adjust function for automatic adjument of screen display. 6.
- Page 5 Chapter 2 Specification 1. PDP CHARACTERISTICS General Specification of SDI S42AX-YD05 Item Specification Unit Active Area 933.89x532.22 Pixel Number 1024 x R.G.B. x 768 pixel Pixel Pitch 0.912(H) x 0.693(V) Display Colors 16.7 millions color 2. OPTICAL CHARACTERISTICS Viewing Angle (CR>10) > Free 3.
- Page 6 7. ENVIRONMENT Operating Temperature: 5℃~35℃ (Ambient) Operating Humidity: Ta= 35 °C, 90%RH (Non-condensing) Operating Altitude: 0~14,000 feet (4267.2m)(Non-Operating) 8. DIMENSIONS (Physical dimension) Width: 1040.0 mm Depth: 260.0 mm Height: 711.5” mm 9. WEIGHT (Physical weight) a. Net: 28.8±0.5 Kg b. Gross: 32.5±0.5 Kg Please pay attention to the followings when you use this PDP module.
- Page 7 (5) Acetic acid type and chlorine type materials for the cover case are not desirable because the former generates corrosive gas of attacking the polarizer at high temperature and the latter causes circuit break by electro-chemical reaction. (6) Do not touch, push or rub the exposed polarizes with glass, tweezers or anything harder than HB pencil lead.
- Page 8 Chapter 3 On Screen Display Main unit button (1). POWER (2). MENU (3). CH + (4). CH - (5). VOL + (6). VOL - (7). INPUT TV Source A. PICTURE： a. PICTURE MODE (CUSTOM/ STANDARD / MOVIE / GAME) b. BRIGHTNESS (0~100) c.
- Page 9 B. AUDIO： a. VOLUME (0~100) b. BASS (0~100) c. TREBLE (0~100) d. BALANCE (-50~50) e. SURROUND (ON/OFF) f. DIGITAL AUDIO OUT (PCM) g. SPEAKERS (ON/OFF) h. LIP SYNC (0~5) C. TV： a. TUNER MODE (ANTENNA/CABLE) b. AUTO SEARCH (RUN) c. SKIP CHANNEL (TABLE) d.
- Page 10 D. SETUP： LANGUAGE (ENGLISH/FRENCH/SPANISH) SLEEP TIMER (OFF/30/60/90/120) WIDE (WIDE) INPUT NAMING CC (ON/OFF) CC ON MUTE (ON/OFF) DIGITAL CC STYLE g-1. CAPTION STYLE (AS BROADCASTER/CUSTOM) g-2. FONT SIZE(SMALL/MEDIUM/LARGE) g-3. FONT COLOR (GREEN/BLUE//RED/CYAN/YELLOW/MAGENTA/BLACK/WHITE) g-4. FONT OPACITY (SOLID/TRANSLUCENT/TRANSPARENT) g-5. BACKGROUND COLOR (GREEN/BLUE//RED/CYAN/YELLOW/MAGENTA/BLACK/WHITE) g-6.
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Page 11: Rgb Mode
E. PARENTAL： a. PASSWORD a-1. CHANNEL BLOCK a-2. TV RATING a-3. MOVIE RATING a-4. CHECK FOR NEW DTV RATING a-5. BLOCK TV UNRATED a-6. ACCESS CODE EDIT RGB Mode A. PICTURE ADJUST： a. AUTO PICTURE (Run) b. BRIGHTNESS (0~100) c. CONTRAST (0~100) d. - Page 12 C. SETUP： LANGUAGE (ENGLISH/FRENCH/SPANISH) SLEEP TIMER (OFF/30/60/90/120) AV COMPONENT MODE AV-C、AV-S、COMPONENT A. PICTURE： a. PICTURE MODE (CUSTOM/ STANDARD / MOVIE / GAME) b. BACKLIGHT (0~100) c. BRIGHTNESS (0~100) d. CONTRAST (0~100) e. COLOR (0~100) TINT (-32~32) g. SHARPNESS (0~100) h. COLOR TEMPERATURE (CUSTOM/COOL/NORMAL/WARM) ADVANCED VIDEO i-1.
- Page 13 B. AUDIO： a. VOLUME (0~100) b. BASS (0~100) c. TREBLE (0~100) d. BALANCE (-50~50) e. SURROUND (ON/OFF) SPEAKERS (ON/OFF) C. SETUP： LANGUAGE (ENGLISH/FRENCH/SPANISH) SLEEP TIMER (OFF/30/60/90/120) RESET ALL SETTING D. PARENTAL： a. PASSWORD a-1. CHANNEL BLOCK a-2. TV RATING a-3. MOVIE RATING a-4.
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Page 14: Hdmi Mode
HDMI MODE： A. PICTURE： a. PICTURE MODE (CUSTOM/ STANDARD / MOVIE / GAME) b. BRIGHTNESS (0~100) c. CONTRAST (0~100) d. COLOR (0~100) e. TINT (-32~32) f. SHARPNESS (0~100) g. COLOR TEMPERATURE (CUSTOM/COOL/NORMAL/WARM) h. ADVANCED VIDEO i-1. DNR(OFF/LOW/MEDIUM/STRONG) i-2. BLACK LEVEL EXTENDER (ON/OFF) i-3. - Page 15 C. SETUP： LANGUAGE (ENGLISH/FRENCH/SPANISH) SLEEP TIMER (OFF/30/60/90/120) RESET ALL SETTING CONFIDENTIAL – DO NOT COPY Page 3-8 File No. SG-0280...
- Page 16 Chapter 9 Trouble shooting MONITOR DISPLAY NOTHING (PC MODE) Start Is Power board output +5VSB (F4)? 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 17 (TV, AV, S-VIDEO) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check DVD player 1. Check P4 signal 2. Check signal between P4 and U131 (IF AV, S-Video mode) U131 input correct? 3. Check Tuner & U16 (IF TV mode) 4.
- Page 18 (COMPONENT) IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check host’s setting 1. Check signal from P4 2. Check system power 12V& 5V (5VSB) P4 input correct? 1. Check signal between U131 & P4 U131 input 2.
- Page 19 HDMI IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal 2. Check host’s setting 1. Check P8, P9,P529 connect U12 no data out? 2. Check the pin18 & 19 of P8, P9,P529 1. Is J8 connected good? 2. Is panel working ok? CONFIDENTIAL DO NOT COPY Page 9-4...
- Page 20 TROUBLE OF DC-DC CONVERTER Start The voltage is about +5V (+5VSB) 1. Check power board 2. Check power cable, F4 & connection J1 3. Check U22 pin3 (+5VSB) & pin2 (+3V3SB) The voltage is about +5V while power switch on 1.
- Page 21 TROUBLE OF EDID READING Start Support DDC1/2B 1. Analog cable ok? 2 .Check signal (U31 to P5) Is Analog DDC OK? 3. Check U31 Voltage 4. Is protocol compliant? Support DDC1/2B 1.HDMI cable ok? 2. Check signal (U33 to P8) (U34 to P9) (U501 to Is HDMI DDC OK? P502) 3.