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Now downloading free:Teac Eu-80

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TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips

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File name:Teac EU80 ctv.part1.rar
[preview Eu-80]
Size:1953 kB
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Mfg:Teac
Model:Eu-80 🔎 Eu80
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Descr:PDF service manual
Group:Electronics > Consumer electronics > TV
Uploaded:10-09-2004
User:robmck
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File name Teac EU80 ctv.pdf

SERVICE MANUAL EU-80ST 80cm CTV Effective: JANUARY,2000 EU80SERV TECHNICAL BULLETIN MODEL: PROBLEM: EU-80ST Color purity problem 1-March-2000 File: EU80 deg cap.doc A missing capacitor in the degaussing circuit of some units can be the cause of poor color purity. The problem is visible when displaying a red or a white test pattern field. Instructions 1. Check if a 100nF 275 V AC capacitor is connected in parallel with the degaussing coil. This component should be located on the solder side of the auxiliary PCB where the degaussing thermistor is mounted. 2. If the capacitor mentioned in step 1 is missing, connect a 100nF 275 V AC capacitor to the terminals of the degaussing coil connector PL201 Regards, Alcides Berta TEAC Australia Pty Ltd. Page 1 of 1 TECHNICAL BULLETIN MODEL: PROBLEM: EU-80ST Color purity problem 1-March-2000 File: EU80 deg cap.doc A missing capacitor in the degaussing circuit of some units can be the cause of poor color purity. The problem is visible when displaying a red or a white test pattern field. Instructions 1. Check if a 100nF 275 V AC capacitor is connected in parallel with the degaussing coil. This component should be located on the solder side of the auxiliary PCB where the degaussing thermistor is mounted. 2. If the capacitor mentioned in step 1 is missing, connect a 100nF 275 V AC capacitor to the terminals of the degaussing coil connector PL201 Regards, Alcides Berta TEAC Australia Pty Ltd. Page 1 of 1 TECHNICAL BULLETIN 02-Jun-00 MODEL: PROBLEM: EU-51/80 ST Power supply problem File: EU51-80 chopper tb.doc The chopper transistor Q802 is damaged as a consequence of a fault in D816. This problem normally occurs when a diode type UF5407 is used in the position D816. Instructions Replace damaged components. Use only a diode type BMY36D for the position D816. Regards, Alcides Berta TEAC Australia Pty Ltd. Page 1 of 1 TECHNICAL BULLETIN 26-Jun-00 MODEL: PROBLEM: EU 51 / 66 / 68 / 80 ST CRT output IC protection File: EU51-80 spgap tb.doc This is a tentative solution to avoid damages to the output video amplifier IC901 (TDA6107) caused by electric discharges between electrodes of the CRT. The modification should be applied to units found with damaged video amplifier IC. Instructions Add the following components to the CRT board. Refer to the figure and table below for parts location and specifications. Components information Item Part Number 1 2 3 EUSPARK EUSPARK QDTBOUZ6R2BS Description 300V Spark gap 300V Spark gap Zenner diode 6V2 400 mW From Point G Ground 1-PL901 (Cathode) To Aqua Aqua Ground (Anode) Comments Spark gap devices have no polarity Regards, Alcides Berta TEAC Australia Pty Ltd. Page 1 of 1 1 DO NOT CHANGE ANY MODULE UNLESS THE SET IS SWITCH OFF The mains supply side of the switch mode power supply transformer is live. Use an isolating transformer. The receivers fulfill completely the safety requirements. Safety precautions: Servicing of this TV should only be carried



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