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    October 17, 2013, 10:29 pm

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    Keyword Tips If you are search for "50we610 blinking" try "we610 blinking". If you search for "5 blinking" try "five blinking". If you search for "Sony KDF-55wf655" try "55wf655" or better yet "wf655". Try searching with general search term first and then add more specific keywords to narrow it down.
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    For Televisions issues, red/green blinking lights, vertical lines, D Board, Lamp Driver and more.
    I would vist our "Frequently Asked Questions for Sony Products" forum and read the "Television Trouble Shooting Information Packages" thread. There are several service bulletin packages that can help resolve those issues.
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      Page Number:
    Forum Topic Author Replies Posted
    First 650 characters of this post
    Television Troubleshootingsony kv-29x5d 4 blinks no picture but soundjehill162013-11-23 18:59
    First 650 characters of this post Welcome to Agoraquest!  Do you have a link to the service manual?  Unfortunately, I don\'t have access to the KV29X5D service manual, so its difficult for me to help you.  However, I can tell you that you are probably correct in concluding that there would be no high voltage if a +200V supply (there may be more than one) is not outputting +200V.  A common problem is failure of the MCZ3001D driver chip (18 pins) used in the DC to DC converters.  If there is a D board in your set, check it to see if are any MCZ3001Ds on it.  If there are, replace
    Television TroubleshootingSony KV36HS420 will not come on?jehill52013-07-27 11:09
    First 650 characters of this post Welcome to Agoraquest!  The most common problem with the KV36HS420 is failure of IC6501 on the DZ board and possibly IC8002, also on the D board.  Both chips are MCZ3001D\'s.  Numerous members have successfully restored operation of their sets by replacing these chips.  Use the advanced Agoraquest search engine at the bottom of the Forums page to search for \"MCZ3001D\" and start reading.  You might also try the Google Agoraquest search.  You might find the \"D board circuit failures/KV32HS420. KV32XBR400, KV32XBR450, KV36HS420, KV36XBR400, KV36XBR450\"
    Television TroubleshootingSony KV-40XBR800, help to bring this gorgeous lady to life!jehill72013-05-20 13:39
    First 650 characters of this post I checked the MCZ3001D schematic and determined that pins 8 and 9 are NOT connected internally.  The KV40XBR800 service manual voltage chart shows 17.9V on pin 8 and 0.0v on pin 9 for both IC6501 and IC8002.  My conclusion is that something is wrong if you are seeing a short circuit between the two pins.  The soldering looks great now except for IC8002 pins 2 and 11.
    Television TroubleshootingTV will not power ON.jehill132013-02-16 11:59
    First 650 characters of this postThanks for the correct model number.  As I suspected, there are two MCZ3001DB chips on the D board, IC6400 and IC8002. Operation of IC6400 is required in order to produce the high voltage required for the three picture tubes.  Numerous members have restored operation of their sets by replacing the MCZ3001DB chips.  It is recommended that IC sockets be installed rather than soldering the chips in directly.  Try using the Agoraquest search engine at the bottom of the Forums page to search for "MCZ3001DB chips".  Search You Tube for "MCZ3001DB chips" and you will find som
    Television TroubleshootingSony FD Trinitron Wega KV-36XBR400: Sound, but No PictureWillH92013-02-03 17:30
    First 650 characters of this postAll - Well, I now have my new MCZ3001DB chips and sockets, and I have opened up my TV and removed the D board. When I look at the IC8002 and IC6501 locations, I see all 18 pins are soldered to the board. In all the posts I've read so far, pins 13 and 17 weren't soldered at those IC locations. Any advice? I assume I should solder all 18 locations when I replace the MCZ chips with sockets, but that seems contrary to everyone else's experience I've read about. Thanks for any help or insight you can provide!
    Television TroubleshootingKP65WS510 Turns on then shuts offKalikov102013-01-21 17:34
    First 650 characters of this postI will try and check the voltages with all the boards installed.Some of these are a lil tuff to get at.I have doen some further research on the 6 blinking lights with thisparticular model.... and have read that most of the problems are with theIC6003 CHIP....(MCZ3001DB) (8-759-670-30) on the G board.Supposedly the voltage control chip?Kalikov
    Television Troubleshootingkv34xbr910 seven blinksnkota32012-12-21 14:11
    First 650 characters of this posthad seven blinks. replaced two mcz3001db ic's with two new mcz3001 ic's with sockets. tv turns on for 3-4 seconds and then shuts off. i  was able to clear codes. there were three each with one occurance but couldnt read before tv shut off. help!! love this television
    Television TroubleshootingsonyA1054157A G boardmbt_junkyard62012-10-06 07:53
    First 650 characters of this postI downloaded the service manual and in the block diagrams and the schematic diagrams I see a G-board which contains the mains rectifier, the mains smoothing capacitors and the standby power supply. On this board is also relay RY6000, which switches all electronics on or off, except for the standby power supply. On the D-board there is the main power supply and the HOP supply, the power supply of the flyback transformer. However, when I look at the board layout for the G-board, I see much more components on it. Maybe they have used a kind of "universal" board and are the
    Television TroubleshootingKP-57WS500 No blinking lightsjehill32012-08-24 15:21
    First 650 characters of this postWelcome to Agoraquest!  When you refer to the Audio, board I assume that you are referring to the A board.  In addition to the AUDIO OUTPUT, the A board includes, SYSTEM CONTROL, CRT DRIVE, TUNER, 3D COMB and AREG.  These are pretty important functions.  Its possible that corrosion on the A board is the source of your problem.  However, the MCZ3001D driver, IC6003 on the G board, frequently fails, not just in this set, but in numerous models that utilize this chip.  Numerous members have successfully restored operation by replacing these c
    Television TroubleshootingSony kv27fs120.TECHRONE42012-08-08 14:03
    First 650 characters of this postSony kv27fs120 with 4 blink stand by light problem has been repaired.IC 800  MCZ3001DB which is located in the power supply was faulty.
      Page Number:

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