Monitor repair tips. Click here to return to the Tips index page. Sincere thanks again to all who have contributed so far. Over 8. 0,0. 00!! Replaced IC8. 02 and unit then powered up ok(Wiland Malapit - Philippines). Likom Monitor Model: L5. RDN (1. 3MLB0. 00.

Chassis). Vertical problem, small picture, cannot adjust, sometimes rolling. Checked vertical section and found resistor R5. ICU5. 01 had gone high resistance, replacing resistor cleared the fault(Wiland Malapit - Philippines). Kds Monitor Model: VS2. E (Evoked 2. 10. 0K Chassis). Dead. I found following parts had failed: Q4. C4. 92. 4 and R4.

Get access to the latest features of Adobe Photoshop CC. Now with more library asset support, more templates and UI kits in Adobe Stock, and a new selection tab. The official FAQ of the Internet DVD newsgroups. Its primary emphasis is on video, but there is a section on data DVDs that describes each format.

BU2. 52. 7(Imran Khan). Dell Monitor Model: D- 1. D- LS (FCC ID A3. LCMG7. 37). No display. I checked many parts in the Video driver area and found all was ok but IC MM1. Imran Khan). Sony Monitor Model: GDM2. S. Monitor dead, green led comes on then fades out, EHT sometimes starts up.

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Remove power supply (very easy on this monitor). I found C1. 02, C1.

C1. 12 and C1. 01 on sub board o/c plus C1. C8 and C9 on main pcb also o/c, all 1. This is a quality built monitor(Bernie). Mag Monitor Model: DX1.

Reduced width with failure to store settings. Dry joints on the display mode relay RL5. Lacko). Silicon Graphics Monitor Model: 3.

C (Panasonic Pana. Sync P7. 0). No horizontal, single white line up centre of screen. Check fuse link J1. Q8. 81(Steve May). Silicon Graphics Monitor Model: 3.

C (Panasonic Pana. Sync P7. 0). Vertical line down centre of screen, no horizontal drive. Check for horizontal drive across C5. V p- p both sides) if not change C5. F, 1. 00v), C5. 16 is the blocking cap before the horizontal driver mos.

Fet, also check for bad soldered joints(Steve May). Belinea Monitor Model: 1. Panasonic Pana. Sync P7.

No horizontal, single white line up centre of screen. Check fuse link J1. Q8. 81(Steve May).

Belinea Monitor Model: 1. Panasonic Pana. Sync P7. Vertical line down centre of screen, no horizontal drive.

Check for horizontal drive across C5. V p- p both sides) if not change C5. Venus Hostage Eng And Russia.

F, 1. 00v), C5. 16 is the blocking cap before the horizontal driver mos. Fet, also check for bad soldered joints(Steve May). Iiyama Monitor Model: Vision Master Pro 4. A7. 05. MT Chassis).

Tripping. Change the secondary psu smoothing caps for the 1. F, 2. 5v cap blown apart), the board is also prone to dry joints(Steve May). Tatung Monitor Model: 4. VT- 1. 98. 0 Chassis).

No video. Change transistor C5. Roberto). Jean Monitor Model: JD1. K (Ver 6. 2. 2 Chassis). No picture, power led blinking, ticking sound. Replaced shorted HOT (BU2. DF). Resoldered dry joints on Q4.

Q4. 12 pins(Mattiemutare). Viewsonic Monitor Model: A7. F. Dead. PCB board was cracked across 2 tracers cutting their path. Visible arc burn present.

Occurred at position D1. I pulled PCB board out a little to see the crack and soldered the copper tracers to repair them(Anonymous). Dell Monitor Model: EV7. B (LA8. 0 Chassis). White Raster with flyback lines at Power- up, after a while, the green LED starts to blink. Resistor R9. 72 open circuit, results in loss of 1.

V on CRT Board(Sharesolution). Mag Monitor Model: DJ7. E. Dead Set. Found Resistor R3. K) in the power section o/c(Anonymous). Proview Monitor Model: PK- 7. M). Reduced width and height with failure to store settings, display otherwise OK, front panel control functioning as normal. Dry joints on the display mode relay (on right- hand side of main PCB, about halfway down).

I have had several of these monitors with the same problem(Ian - Brighton). Packard Bell Monitor Model: A7.

Board PWB- 0. 17. Hyundai), Green Led flashing - Power supply pumping. No picture. Replace 2. SC5. 38. 6 Q4. 33 on large heatsink near FBT.

Transistor has been replaced with BU2. AF(Yves). Packard Bell Monitor Model: 1. SL. Shuts down after 1. Problem caused by leaky transistor Q2. C4. 58 npn uni)(Guruji).

Packard Bell Monitor Model: 1. SL. Out of focus picture. The problem was the FBT part # TFB- 2. T(Guruji). Samsung Monitor Model: Syncmaster 7. S (DP1. 7LS Chassis).

C5. 08 (2. 2u. F, 2. V) burst. The voltage on C5. V (correct voltage must be +2.

V), Check C5. 06 (1. F) it was found to be leaky(Raymundo). Lg Monitor Model: FB7. C- EA. Dead. Q7. 06 short(Robin).

Viewsonic Monitor Model: VCDTS2. P (E- 4. 0 Chassis). No power, no LED blinks.

Found short circuit HOT and also found bad high volt PF in horizontal area, Replaced with BU2. DF fixed the problem(Imran Khan). Acer Monitor Model: 7. C. No video, no power up. Transistor IRF6. 30 was short(Anonymous). Compaq Monitor Model: MV4.

Blown mains fuse. Replace 4 amp fuse and degauss posistor - I have had about twenty similar repairs on this model(Tony Hamilton). Gateway Monitor Model: EV7. Dead. I have found that 9 out of 1. LOPT is dud(Anonymous). Nec Monitor Model: Multisync 7.

No HV, goes into shutdown. Have replaced the HOT transistor C5. I found the problem was one of the 1.

Now have to find a . Imran Khan). Ntc Alpha scan Monitor Model: KM- 4. C- 4. 11 Chassis). Power OK but no display at all. Check for possible o/c fuse / resistor in the high voltage area(Ian - Philippines). Compaq Monitor Model: MV7.

Dead with standby led operating normally. R9. 25 (1. Mohm, 0.

W) was o/c(Sami). Samtron Monitor Model: 4. BNI. No display and power on indication appears a few second and then disappears. SMPS filter capacitor does not discharge at all.

Suspect the flyback transformer (K. Vatcharavelu). Dell Monitor Model: D1. HT (SCC- L0. 4KA Chassis). Cold picture jumps vertically. Vertical deflection IC(Christopher). Hp Monitor Model: Pavilion M7. Display is dark but sometimes comes up to the right brightness, or brightness changes erratically with a relatively slow transition from bright to dark or vice versa.

CRT socket has a bad solder joint at the heater pins. Resolder and have a nice day- -- - anyone know what causes tiny slightly curved HORz ripples at random points on the screen with this model ?(Offset). Compaq Monitor Model: V7. Width can not be increased. Changed all PF (capacitors) near horizontal section(Anonymous). Daewoo Monitor Model: 7.

BN. Top half of frame scan folded to bright line. Diode D1. 05 was burnt out, this was found to have been caused by capacitor C1. F, 1. 6v) which measured dead short(Brian). Compaq Monitor Model: V4. Very blurry display. This was due to a faulty flyback(Anonymous). Brother / Aoc Monitor Model: Spectrum 7.

GLR. Dead, no power. There was no voltage at pin 7 of IC9. R9. 06 ( 1. M ohm 1/2. W ) which was open circuit, replaced R9. Vitus Luk). Compaq Monitor Model: V5. No Power. Replaced D6. Prasad). Iiyama Monitor Model: Vision Master 1.

E Chassis). Horizontal dark line across screen shadowing text or other complex display data - giving appearance of 3. D grooves or just dark lines on light background - temp fix (few minutes) by banging monitor or jiggling the video cable (thats what threw me for a while)Removed tube base board and ran over disc capacitors and other solder joints whether they looked dry or not. No re- occurence in 2 weeks of daily use. Seems to have fixed it. Q4. 01 may be shorted. Makes squealing noise.

C3. 34 (1. 00u. F, 2. V) Failed, located at front left side of board just in back of Q3. Gene). Hansol Monitor Model: E1.

BL (MAZELLAN 4. 01. A). Dark (but visible) display with pronounced ripple, accompanied by buzzing from the chopper transformer. Buzzing also present (but quieter) in standby.

C1. 05, the main smoothing electrolytic on the mains input side was completely open circuit. Its value is 2. 20u. F, 4. 00. V(Ian - Brighton).

Sylvania Monitor Model: F9. No green, good blue and red. The crt board had cold solder joints(Anonymous). Ast Monitor Model: VISION 7. L. Blows horizontal output transistor intermittently L4. H) defective, also check C4.

C4. 51 both 1. 0u. F(Anonymous). Iiyama Monitor Model: VISIONMASTER 4.

Powers up but goes dead when video signal applied. If powered with signal attached comes on then trips. Replace ALL the low value electrolytic capacitors in the primary side of the power supply even though they measure OK.

DVD FAQThis is the June 2. Internet DVD FAQ for the rec. Usenet newsgroups.(See below for what's new.) Send corrections, additions, and new questions to.

Jim Taylor < jtfrog@usa. This FAQ is usually updated at least once a month. If. you are looking at a version more than a few months old, it's probably an out- of- date copy. Where can I get statistics?? Aren't discs. too fragile to be rented?? Will it work in all. Does it work. with NTSC, PAL, and SECAM??

Doesn't it compress. Can't. DVDs hold four hours per side?? Do they. all have 5.

Why do I get. 2- channel surround audio? What do I do?? Why do. I get a pink or black square?? How. can I play them?

New MPEG LA pricing. Also mentioned RF activation. Hopefully nothing major broke. For the absurdly curious, here's the list of. The most current version is on the Web at < dvddemystified. A text version was once posted periodically as .

You can also get a text version. FAQ by using the . Translations to a. If you'd like to translate the DVD FAQ into another language (Klingon. Jim. Also see 6. 4. DVD info in other languages.

Take a gander at. Earl's Famous DVD. Technology Exposition Web Page Extravaganza Supreme Deluxe. Or you might prefer. DVD Q& A. If you type . It's the most accurate source of DVD information in. If you find something you think is in error, please.

Jim know. There's plenty of other good. DVD on the Internet. Pointers to other DVD sites are scattered throughout the FAQ and in section.

The DVD FAQ is written by Jim Taylor, the author of DVD. Everything You Ever Wanted to Know About DVD, and Blu- ray Disc Demystified. Jim has been in the DVD. DVD business. In 1. DVD. began writing articles to let others know about this amazing new technology.

Jim. received the 2. DVD Pro Discus Award for Outstanding Contribution to the. Industry, was named one of the 2. DVD executives by DVD Report. Digital Media Hall of Fame, and was. Pioneers of DVD in the October 2. Bypassing Password On Windows 7 Login Failed there. One to One. magazine.

Jim has worked with interactive media for over 2. CD- ROMs, Web sites, and DVDs, along with. He writes articles and. DVD for publications such as. Widescreen Review and serves as. Chairman of the IDMA/DVD Association.

Jim was formerly. DVD Evangelist at Microsoft, and is currently Chief Technologist at. Sonic Solutions, the leading developer of DVD. BD creation software. Since you asked, here are the stats as of March 2. Size: 5. 98 KBNumber of words: 6.

Number of external links: 1,9. If you're wondering why it's all in one big piece instead of broken into. FAQ. I realize this. Web. TV browsers.

I might break it up some day. DVD is movies on a shiny disc, and much more. It's an optical disc storage technology.

DVD is. essentially a bigger, faster CD that can hold high- quality digital video, better- than- CD. DVD encompasses home. DVD has. widespread support from all major electronics companies, all major computer. With this. unprecedented support, DVD became the most successful consumer electronics. In 2. 00. 7, ten.

DVD playback devices worldwide. DVD players, DVD PCs, and DVD game consoles. It's important to understand the difference between the physical formats. DVD- ROM and DVD- R) and the application formats (such as.

DVD- Video and DVD- Audio). DVD- ROM is the base format that holds data. DVD- Video. (often simply called DVD) defines how video programs such as movies are stored. DVD- Video player or a DVD computer (see. The difference is similar to that between CD- ROM and Audio CD. DVD- ROM. includes recordable variations: DVD- R/RW, DVD- RAM, and DVD+R/RW (see.

The application formats include DVD- Video, DVD- Video. Recording (DVD- VR), DVD+RW Video Recording (DVD+VR), DVD- Audio Recording (DVD- AR). DVD- Audio (DVD- A), and Super Audio. CD (SACD). There are also special application formats for game consoles such as. Sony Play. Station 2 and Microsoft Xbox.

A report from DVD Forum Steering Committee. DVD, as. an international standard, is simply three letters. Nevertheless, Toshiba. DVD Forum Web site—. No one agrees on that one either.)Over 2 hours of high- quality digital video (a double- sided, dual- layer.

VHS quality. video). Support for widescreen movies on standard or widescreen TVs (4: 3 and 1. Up to 8 tracks of digital audio (for multiple languages, commentaries. Up to 3. 2 subtitle/karaoke tracks.

Automatic seamless branching of video (for multiple story lines or ratings. Up to 9 camera angles (different viewpoints can be selected during. On- screen menus and simple interactive features (for games, quizzes. Multilingual identifying text for title name, album name, song name, cast. Instant rewind and fast forward (no . Resistant to heat. Compact size (easy to handle, store, and ship; players can be portable.

Noncomedogenic. Note: Most discs do not contain all features (multiple. Some discs may not allow searching or.

Most players support a standard set of features: Language choice (for automatic selection of video scenes, audio tracks. Special effects playback: freeze, step, slow, fast, and scan. Parental lock (for denying playback of discs or scenes with objectionable. Programmability (playback of selected sections in a desired sequence). Random play and repeat play. Digital audio output (PCM stereo and Dolby Digital). Recognition and output of DTS Digital Surround audio tracks.

Playback of audio CDs.* Must be supported by additional content on the. Some players include additional features: Component video output (YUV or RGB) for higher quality picture. Progressive- scan component output (YUV or RGB) for highest quality analog.

Digital video output (SDI, 1. DVI/HDMI) for perfect digital picture. This is a. player feature, not a DVD disc feature. DVD has the capability to produce near- studio- quality video and.

CD- quality audio. DVD is vastly superior to consumer videotape and. However, quality. As compression experience and technology. DVD. authoring software becomes widely available we also see more shoddily produced.

A few low- budget DVDs even use MPEG- 1 encoding (which is no better than. VHS) instead of higher- quality MPEG- 2. DVD video is usually encoded from digital studio master tapes to MPEG- 2. The encoding process uses lossy compression that removes.

The resulting. video, especially when it is complex or changing quickly, may sometimes contain. At. average video data rates of 3.

Mbps (million bits/second), compression. Higher data rates can result in.

Mbps. As MPEG compression technology improves, better quality is being. Video from DVD sometimes contains visible artifacts such as color. Artifacts are sometimes caused by poor MPEG. TV, bad. cables, electrical interference, sloppy digital noise reduction, improper.

Most DVDs exhibit few visible MPEG compression. If you think otherwise, you are. Some early DVD demos were not very good, but this is simply an indication of. DVD can be if not properly processed and correctly reproduced. In- store. demos should be viewed with a grain of salt, since most salespeople are. Most TVs have the sharpness set too high for the clarity of DVD.

This. exaggerates high- frequency video and causes distortion, just as the treble. For best. quality the sharpness control should be set very low. Brightness should also not. Some DVD players output video with a black- level setup of 0 IRE.

Japanese standard) rather than 7. IRE (US standard). On TVs that are not.

There may be. an option in the player menu to use standard black level. DVD video has. exceptional color fidelity, so muddy or washed- out colors are almost always a. DVD player or disc.

DVD audio quality is superb. DVD includes the option of PCM (pulse code. CD. As with video, audio quality.

In spite of. compression, Dolby Digital and DTS can be close to or better than CD quality. Vagueness of the DVD specification and inadequate testing of players and. Some movie discs don't function fully. Poorly compressed audio or video may be.

These predictions were woefully optimistic. The first. players appeared in Japan in November, 1.

U. S. Prices for the. By the end of 2. 00. In 2. 00. 3 players became available.