[TechAssist] Re: SonyKP-43T75 dead six blinks
- From: "Damon" <damon101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 19 Mar 2004 21:11:34 -0500
The Q box is that HUGE block of Metal shielded digital processed video
circuitry. I wouldn't consider that as part of the problem when your IHVT
took a dump. I had one recently blinking 6 times and the IHVT was bad too.
This tv has 2 sections that are separate if I remember correctly, one is
Horiz sweep and the other is Hi voltage......I can't remember well, but I
think the 130 V smps may feed a HV regulator before it goes to the IHVT.
You might want to get the price of the D board 1st, I think the cost is
quite reasonable.
Damon Brunger
Telrad Electronic Services
Ft Wayne, IN 46815
----- Original Message -----
From: "walter wood" <wwood_38478@xxxxxxxxx>
To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
Sent: Friday, March 19, 2004 5:06 PM
Subject: [TechAssist] SonyKP-43T75 dead six blinks
| First I want to ask what and whare is the "Q box".
| The service manual refers to this as a posibility.
| To start with set was just dead, and the timer
| light blinked incessently.
| Ring test proved flyback defective(one ring, new
| one rings 80).
| Replaced fly and now set has high voltage for just
| a second.
| The set does have audio.
| And the horiz out transistor checks ok in circuit.
| Also set still shuts down with the HV lead from the
| fly removed from the focus block and isolated.
| I almost never see a sony, and even with a manual,
| I'm clueless.
| Any help appreciated.
| Walter
|
| =====
| Walter Wood
| Future Tech Home Center
| 2786 Hwy. 43 N.
| Lawrenceburg Tn. 38464
| 931-829-3337
| Fax 931-829-4044
| mailto:wwood_38478@xxxxxxxxx
|
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