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File name:ATC221.rar
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MD5 Checksum:8b29d5a02a2f6d55502a6d042cb8b494
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Description:Chasis ATC221
Group:Electronics > Consumer electronics > TV >
Uploaded:2010-05-06 01:12:00
User:toriolpa
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ATC221_C72810F382ADE69AE0339DFEEACCE69A_25.pdfError: Copying of text from this document is not allowed.
ATC221_sf_convergence.pdfChassis Part Symbol Defective Circuit ATC221 TW19 FP251ATC221 FP221 ATC221 RP12 ATC221 BK11,10 Convergence Convergence Convergence Convergence Symptom no video, no convergence, Convergence power supply dead. found TW19 open (on the convergence amp board) . Cycles, Convergence power supply is not operational, found FP251 and FP221 open (off LL008 flyback). (The convergence power had been replaced ) Convergence power supply dead. Found RP12 open Convergence adjustment is missing in the customers menu. On connector BK11 (Clock & Data) pin one wasn't soldered. solution replace TW19 Replace FP221 & FP251 Replace RP12 Resolder BK11
ATC221_sf_horizontal.pdfChassis Part Symbol Defective Circuit ATC221 ATC221 anode lead FL231 Picture Tube Horizontal Symptom Replaced the flyback. Has an arcing and tearing in the video, can hear a popping noise, Pulled the anode lead from the crt and found a brownish powder looks like rust and the lead is green like it is corroded. Unit has audio and video comes up very slowly. Vertical is down from the top and up from the bottom but not bowed. Found FL231 open (40 vdc for vertical circuit). solution Rplaced the anode cap and cleaned the anode of the crt Replace FL231 ATC221 Splitter High Voltage Shutdown, Power light cycles 4-6 second intervals. Disconnected HV splitter lead And set would come up with sound and High Voltage. Replace HV Splitter
ATC221_sf_POWERSUPPLY.pdfChassis Part Symbol Defective Circuit Symptom Shutdown,Reg b+ checked 105 vdc and when video would start to come up the set would shutdown. Found leakage between RP183 and JP242 ( checked 13 k ohms between them). Cleaned board and set came up and worked properly Standby reg, IPO20 not running, it was open solution Clean board around RP183 and JP242 replaced IP020 ATC221 RP183 ATC221 IP020 Power Supply Power Supply ATC221 BR004 Power Supply ATC221 DP230 Power Supply Replaced the Small Signal Board and now it shuts down Could unplug BR005 and it would work it goes from the small signal board to the little board supplying the Plug BR004 into DVD.BR004 was plugged into BR007 on the small signal board. right place Dead set. INF POW FAIL line is positive .7v. DP230 was the at fault. 70vpp in standby and 65vpp in run. Dead set. The -1.5v supply was +.7 in the fault condition turning on TR62 and keeping the set off. Replace DP230
ATC221_sf_SYSTEMCONTROL.pdfChassis Part Symbol Defective Circuit ATC221 CR187 Symptom solution Error code 78, it was not the DVD or the front panel. He found a shorted cap on the Small Signal Board . It was on the DVD on line pin 6 of BR005. It should be 5 vdc but it was low, System Control found CR187 leaky it checked 30 ohms. Replace CR187 Remote not working after unit sets over night. Unit will turn on at the FPA and then the remote works OK untill it is turned off and left to sit for around a minute, then the remote will not work again untill you turn it on at the FPA. Found RP613 not in the set. installed System Control the resistor in the unit and it works properly now. ATC221 RP613 installed missing RP613 ATC221 SK100 Error code 19, found BR001 low , unplugged BR001 and the voltage came back to 1.7 Replaced volts, BR001 pin 2 goes to the power button. Chassis detect is on pin 134 of IR001, if pin SK100 power System Control 134 held low when the unit is plugged in to AC the systems control cannot det
ATC221_sf_video.pdfChassis Part Symbol Defective Circuit Symptom The green vertical line is too wide, replaced the crt 2 times and the kine drive board. Tech found that the svm coil had to have the wires coming out of the coil had to be turned up towards the crt not down towards the drive board. Set would cycle, Servicer found that by disconnecting connector # BB203 the set would start and run. With the connector plugged pin 1 (240 V supply line) measured a low resistance to ground. IB201 green kine driver loading the supply solution Reinstalled the svm coil on the crt neck ATC221 svm coil Video ATC221 IB201 Picture Tube ATC221 anode lead Picture Tube ATC221 cable Video Replace IB201 Replace the anode cap and cleaned the Replaced the flyback. Has an arcing and tearing in the video, can hear a popping noise, Pulled the anode lead from the crt and found a brownish powder looks like rust and the lead anode of the is green like it is corroded. crt Replace cable from BX01 No red coming from the DVD
ATC221_Shutdown_Circuits.pdfVERTICAL TO E8 RED BIAS <21-B> TP50 TO E7 GRN BIAS E5003 E5007 RED OUTPUT 194V FOREWORD This publication is intended to aid the technician in servicing the ATC221 television chassis. Directed at the safety circuitry, it will explain the theory of operation of those circuits highlighting new and different technologies associated with this digitally controlled chassis. It is designed to assist the technician to become more familiar with the safety circuit operation, increase confidence and improve overall efficiency in servicing the product. Note: This publication is intended to be used only as a training aid. It is not meant to replace service data. Thomson Service Data for these instruments contains specific information about parts, safety and alignment procedures and must be consulted before performing any service. The information in this manual is as accurate as possible at the time of publication. Circuit designs and drawings are subject to change without notice. SAFETY INFORMA
ATC311_Dig_Align04m.pdfUnderstanding Digital Convergence and Geometry ATC311 / 221 and ITC222 Chassis Contents Understanding Convergence / Geometry Alignment ................ 4 ATC311 ....................................................................................... 4 ATC221 and ITC222 .................................................................. 4 Alignment Overview (ATC311)...................................................... 5 Key Points of Manual Alignment .................................................. 5 Going Through the Geometry Process ...................................... 5 Convergence.................................................................................. 7 ATC221 Alignment Overview ........................................................ 8 Alignment After Green CRT Replacement ................................. 10 Red or Blue CRT Replacement ................................................... 11 Understanding Convergence / Geometry Alignment Convergence and geometry alig
TFC-03119_ATC221_Dead_set.pdfTHOMSON TECHNICAL COMMUNICATION Television Troubleshooting Flow Chart TFC-03119 The information contained herein is provided solely to assist qualified Technician in the diagnosis of the problem described. It is not intended as a modification or alteration of the product. REVISION DATE: 12/9/2003 Chassis: SYMPTOM: ATC221 Dead set N o te : c o n n e c to r lo c a tio n s c a n b e fo u n d u n d e r th e c r itic a l le a d d r e s s s e c tio n in th e s e r v ic e c d . U n p lu g s e t fo r a t le a s t 6 0 s e c o n d s . P lu g b a c k in a n d p re s s p o w e r b u tto n . TOPIC: Dead set troubleshooting N o te : H o o k u p a n te n n a . 1. 1A . D oes pow er LE D b lin k e r r o r c o d e s ? Y E S C o u n t th e n u m b e r o f b lin k s a n d lo o k u p th e e rro r c o d e . N O 2. D oes set a tte m p t to tu rn o n w hen pow er b u tto n is pushed ? 2A . Y E S G o to s te p 7 . N O G o to p a g e 2 Product Safety Information Product Safety information is c
TFC-03120_ATC221_Video.pdfTHOMSON TECHNICAL COMMUNICATION Television Troubleshooting Flow Chart TFC-03120 The information contained herein is provided solely to assist qualified Technician in the diagnosis of the problem described. It is not intended as a modification or alteration of the product. REVISION DATE: 12/29/2003 Chassis: SYMPTOM: ATC221 NO VIDEO TOPIC: NO VIDEO TROUBLESHOOTING N ote: C onnector locations can be found under the C R IT IC A L LE A D D R E S S section in the service cd. 1. H ook up ant and tune set to active channel. N ote: B V connectors are located on the convergence adaptor/ps board. 2. Is voltage on B V 05 pin 1 0 vdc? 2A . YES C heck the scan loss and abl circuits. NO 3. Is there video at B V 05 pins 3,5,7 ? 3A . NO G o T o P age 4. YES C ontinue to page 2. Product Safety Information Product Safety information is contained in the appropriate Thomson Service Data covering models/chassis referenced herein. All specified Product Safety requirements and testing shall be
TFC-04001_ATC221_Audio.pdfTHOMSON TECHNICAL COMMUNICATION Television Troubleshooting Flow Chart TFC-04001 The information contained herein is provided solely to assist qualified Technician in the diagnosis of the problem described. It is not intended as a modification or alteration of the product. REVISION DATE: 1/22/2004 Model(s): ATC221 TOPIC: SYMPTOM: No Audio No audio Note: Connectors are located on the DRI board. Tune set to a active channel.Make sure it is set up for internal speakers in audio menu. 1. Is there audio signal at BT983/ 982 pin 1 ? YES 1A. Make sure ext/int switch is in int position.Check speakers NO 2A. Is there a 22 v p-p audio signal at BT980 pins 1 and 4 ? YES Suspect DRI board. 2. NO Continue to page 2 Product Safety Information Product Safety information is contained in the appropriate Thomson Service Data covering models/chassis referenced herein. All specified Product Safety requirements and testing shall be complied with prior to returning equipment to the customer. Servic
TFC-04003A_ATC221_Vertical.pdfTHOMSON TECHNICAL COMMUNICATION Television Troubleshooting Flow Chart TFC-04003A The information contained herein is provided solely to assist qualified Technician in the diagnosis of the problem described. It is not intended as a modification or alteration of the product. REVISION DATE: 1/22/2004 Model(s): ATC221 TOPIC: SYMPTOM: No Vertical No Vertical Is there a 56 p-p signal pin 5 IF001 ? YES Check connections to adaptor board and to yokes. NO Continue to page 2. Product Safety Information Product Safety information is contained in the appropriate Thomson Service Data covering models/chassis referenced herein. All specified Product Safety requirements and testing shall be complied with prior to returning equipment to the customer. Servicers who defeat safety features or fail to perform safety checks may be liable for any resulting damages and may expose themselves and others to possible injury. First Edition First Printing Copyright 2003 Thomson multimedia Inc. Printed i
TTP-03015_ATC221_Digital_Convergence.pdfError: Copying of text from this document is not allowed.
TV02011.pdfError: Copying of text from this document is not allowed.
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