[TechAssist] Re: Zenith 9-1690 convergence board, need wattage of resistors.
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 13 Oct 2003 07:27:15 -0400
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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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ZENITH 9-1690
Convergence Bad
R3243 110k & R3244 82k 1/2w Open On Smps 9-1674-01
On The 9-1690 Convergence Board You May Have To Replace One Or Both Of The
Convergence Ic'S, Depending On What Resistors Are Burnt. Sometimes You Can
Just Replace The Resistors If Your Lucky.
Ic4008 & Ic4009 Stk392-110 Convergence Amp.
R4161, 62,63 & R1460 1ohm Resistor (Red & Blue)
Replace Resistors In 9-1303-06 & -05 120k 1/2w Resistor
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ZENITH 9-1690
Convergence Bad, Then No Video With Lines Dipping From Top.
Tv Traders, Inc.
Replaced Convergence Module But Still No Video. Replace Open R3243, 110k
Resistor On Power Supply. Also Check R3244,82k Per Zenith Tech.
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ZENITH 9-1690
Convergence Gone - Blows Stks
Dick'S Tv - Sharon, Pa
Ic4001, 2, Or 3 Can Cause Repeat Failure Of The Output Ics. Before Replacing
Stks, & After Replacing The 1 Ohm Resistors, Check For Dc Volts On Pins 6,
14, & 15 Of The Stk. If Any, There'S A Bad Driver Ic.
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ZENITH 9-1690
Convergence Porblems Will Not Adjust From User Menu
Jeff Stielau : 6/1/00 : Shoreline Electronics
Change Both Stk392-110 & The Four 1 Ohm Resistors. Resolder The 5v Regulator
Ic'S On The Same Heatsink. The 5a Pigtail Fuses On The Main Ps/Sweep Board
May Be Open...Check Them.
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ZENITH 9-1690
Convergence Very Bad, Won'T Adjust.
Ford'S Tv & Video Service
Open Resistors, R4160, R4161 (1 Ohm 1/2w) And Defective Convergence Ic4008
(Stk392-110). Also Check For Shorted Diode On 26 V Line, Cr3419
(103-360-02), & Open Fuse, Fx3460 On 9-1674 (Sweep)
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ZENITH 9-1690
Convergence Very Bad, Won'T Adjust.
Ford'S Tv & Video Service
Open Resistors, R4162, R4163 (1 Ohm 1/2w) And Defective Convergence Ic4009
(Stk392-110). Also Check For Shorted Diode On 26 V Line, Cr3419
(103-360-02), & Open Fuse, Fx3460 On 9-1674 (Sweep)
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ZENITH 9-1690
Pincushion problem after smps module replaced
Registration module 9-1690-01: Often fails in conjunction with smps.
Stk392-110 (2) and (4) 1 ohm 1 w resistors required
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Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager / Parts Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx
www.geminicomputertvsecurityalarms.com
----- Original Message -----
From: "Kevin" <kevintv@xxxxxxx>
To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
Sent: Sunday, October 12, 2003 6:31 PM
Subject: [TechAssist] Zenith 9-1690 convergence board, need wattage of
resistors.
> Does anyone know the wattage of resistors R1460-R1463 on the 9-1690-1
> convergence board? They are precision 1 ohm resistors. I think they
> are 1/2 watt, but I am not sure. I don't have the model #, but it is a
> 1998, 50" model. Thanks.
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
>
>
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