[TechAssist] Fw: FisherFM-871 No FM and display FIXED!
- From: "Tiberius Kraemer" <ty1k@xxxxxxxxxxx>
- To: "TechAssist" <techassist@xxxxxxxxxxxxx>
- Date: Tue, 21 Oct 2003 14:49:06 -0700
Stop!
Hold it!
I am speechless!
Thank you everyone for your replies!
Problem turned out to be two fold.
First Problem: My mistake was to power the thing with 19 volts DC. Thinking
there is a bridge in the unit, I would not have to worry about the
polarity.
Well I was WWRROONNGG!
After I received a scan, It was plain that the display power is derived
before the bridge.
Second and actual fault was in the tuner. Turned out to be a perfectly good
looking solder joint which was not as perfect as it looked.
After wasting 3+ frustrating hours on the thing, with your help, took 20
minutes to troubleshoot and repair.
Once again, thank you for your time and effort.
Ty
Tiberius Kraemer
Blue Star Electronics
3312 Silverton Rd. NE
Salem, Oregon, 97303-2753
Phone: 503 391 1491
ty1k@xxxxxxxxxxx
----- Original Message -----
Greetings,
Does anyone have a Data Sheet in a TD6301AP? I have a hunch that I have a
Supply Voltage missing in this unit and it is affecting both the FM
reception and the display.
Problem is that I have no print and thought that with the pinout of the IC
I could start tracing back.
Thank you for your time and effort.
Ty
Tiberius Kraemer
Blue Star Electronics
3312 Silverton Rd. NE
Salem, Oregon, 97303-2753
Phone: 503 391 1491
ty1k@xxxxxxxxxxx
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