[TechAssist] Re: Sanyo DS31590 shuts down hi volts goes to 8 kv
- From: "John Conti" <contitv@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sun, 04 Dec 2005 09:04:12 -0600
Possible bad Flyback. Remove and ring.
John
Conti,sTV
Texas
>From: "Robert McPherson" <rm502@xxxxxxxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: <techassist@xxxxxxxxxxxxx>
>Subject: [TechAssist] Re: Sanyo DS31590 shuts down hi volts goes to 8 kv
>Date: Sat, 3 Dec 2005 22:34:05 -0500
>
>Eric:
>
>Here's some common problems on your set which may help you:
>
>Sanyo Model DS31590
>
>31" TM Color TV Chassis # DS31590-02 UL # 418U USA
>
>HSPF # 4355 E & P
>
>Dead
>
>D483 shorted? (NTE 552)
>
>LA7841shorted? (Sometimes has burned hole on face) (Can use LA7840)
>
>R483 open? (1 ohm @ 1 watt)
>
>
>----------------------------------------------------------------------------
>----
>
>Vertical
>
>C487 1000 uf off pump up diode?
>
>C502? 2200uf?
>
>D483 Marked RMPG06G (NTE 552) SI 600PRV 1 Amp Subs: B4304, 1N4937?
>
>D503?
>
>IC501 (Vertical) LA7841 (NTE 7153) (LA7840 appears to work OK)
>
>R483 1 ohm 2 watt (Fuses Vert B+) Off Pin 3 of IHVT
>
>Zener 36 Volt (D503?) (D483, R483 area?)
>
>Robert McPherson
>McPherson Electronics
>Telephone (502) 367-9324
>Cellphone (502) 298-6997
>
>Email rm502@xxxxxxxxxxxxx
>----- Original Message -----
>From: "Eric Manuel" <tvman@xxxxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Saturday, December 03, 2005 8:10 PM
>Subject: [TechAssist] Sanyo DS31590 shuts down hi volts goes to 8 kv
>
>
>Hi helping another tech.hot not shorted reg seems to be good he has
>130 volts B+ .But shuts off at 8 kv..Any tips for this..Thanks Eric
>--
>
>
> Eric
>E M Electronics
>59 Wights Rd
>Deer Lake NL
>Canada
>A8A 2J2
>Ph# 709 635 2627
>tvman@xxxxxxxxxxxxxxx
>
>
>
>
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