[TechAssist] Re: fix: Sony KV27V40 clicks only,found burnt traces]
- From: "tvservice" <tvservice@xxxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 5 Nov 2002 17:10:17 -0600
STORM DAMAGE!!!
Robert
tvservice@xxxxxxxxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "Phil Bader" <philbad@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, November 05, 2002 2:51 PM
Subject: [TechAssist] fix: Sony KV27V40 clicks only,found burnt traces]
>
> Final tally:
> V reg IC601 shorted MXO541,872903965
> Vert output IC541 TDA8172 (bad?)
> Resistor R606 (.47 ohm 1W) in IC601 ckt.was open
> Zener diode D205 shorted: 30Volt, MTZJ-30D, 871958222 in 30v tuner line
> to tuner pin#2.
> Tuner (bad?) 859843100, "REP" ver from TroTronics
> Jungle CXA2061S,875208309
> Repair an open trace from (-) of cap C212 to jumper JW240 near audio
> IC401.
> Checked video inputs and tuning all OK now.
> Phil Bader
>
> Phil Bader wrote:
> >
> > that finished the job!
> > Phil Bader
> >
> > Gemini Computer & TV wrote:
> > >
> > > That diode is a MTZJ-30D, Sony part# 8-719-982-22. I cannot cross it
but I
> > > do believe that it is a 30 volt zener.
> > >
> > > Bob Waterman, CET® #RI-28
> > > Master Technician License #9109
> > > Service Manager
> > > Gemini Computer, TV, & Security Alarms
> > > (508)695-7302
> > > (508)695-7769 FAX
> > > geminitv@xxxxxxxxxxxxxxxx
> > > geminitv@xxxxxxx
> > >
> > > ----- Original Message -----
> > > From: "Phil Bader" <philbad@xxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Tuesday, November 05, 2002 1:19 PM
> > > Subject: [TechAssist] Sony KV27V40 clicks only,found burnt traces]
> > >
> > > >
> > > > After replacing main V reg IC601(MX0541, and resistor nearby
R606(.47
> > > > ohm 1w) unit powered up. Tunung looks like tuner bad. One partially
> > > > tuned station. I ordered a tuner 8-598-431-00 rebuilt, but before I
> > > > installed it I noticed a zener diode D205 ("D30") connected to tuner
> > > > pin# 2 shorted.
> > > > Is D205 a 30volt zener??? NEED this value!
> > > > Phil Bader
> > > >
> > > > Larry, thanks for the fax.
> > > > There does not seem to be any IC1509,Q1505...No 1500 series anything
in
> > > > this specific chassis.I did change IC541 the TDA8172 vert output IC,
> > > > same symptom.My next suspect is the CXA2061s Y/C jungle since I
think
> > > > this also provides deflection pulses.
> > > > Phil Bader
> > > >
> > > > "Larry E." wrote:
> > > > >
> > > > > Phil, four blinks is No vertical deflection (V STOP). Mutes video
> > > > > signal, Sony says to check IC1509, Q1505. Hope this helps, Larry
> > > > > Larry Eastman
> > > > > American TV & Electronics
> > > > > Crystal River, Fl. 34428
> > > > >
> > > > > Phil Bader wrote:
> > > > >
> > > > > > Found traces between the rear jacks burnt open,and another from
(-) of
> > > > > > C212 to jumper JW240 near audio IC401.Repaired both...Plug in,
relay
> > > > > > will click,may click every 10 seconds for a while,never any
> > > > > > HV,sound,etc.Finally the front stereo LED is on constant, the
"stand
> > > by"
> > > > > > LED below blinks a series of four times, waits, then four
times...
> > > > > > Anyone know this error code?
> > > > > > Phil Bader
> > > > > >
> > > > >
> > > > > --
> > > > > Larry Eastman
> > > > > American TV & Electronics
> > > > > Crystal River, Fl.
> > > > > http://www.tvjunkyard.com
> > > > >
>
> >
> --
>
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