Download
Share
Print this page
Philips 20PT6245/37 Technical Service Data
  1. Manuals
  2. Brands
  3. Philips Manuals
  4. TV
  5. 20PT6245/37
  6. Technical service data

Philips 20PT6245/37 Technical Service Data

Hide thumbs Also See for 20PT6245/37:

Advertisement

Quick Links

Download this manual See also: User Manual
Philips Consumer Electronics
Technical Service Data
Service and Quality
Service Publications Dept.
One Philips Drive
P.O. Box 14810
Knoxville, TN 37914
Pg. SCHEMATIC DIAGRAMS AND PC BOARDS
1. Chassis Overview
2. A1 - Power Supply Schematic
3. A2 - Deflection Schematic
4. A3 - Tuner IF Schematic
5. A4 - Video Processing Schematic
6. A5 - Audio Processing (Stereo + SAP) Schematic
7. A6 - Audio Amplifier + Mono Sound Processing Schematic
8. A7 - Font I/O + Front Control + Headphone
9. A8 - Rear I/O Schematic
SAFETY NOTICE: ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE
HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS
TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING
© Philips Electronics North America Corporation
10. A9 - DVD Power Supply Schematic (Optional)
11. B1 - CRT Panel Schematic
12. Layout Mono Carrier: (Top Side)
13. Layout Mono Carrier (Overview Bottom Side)
14. Layout CRT Panel (Top Side)
15. Layout CRT Panel (Bottom Side)
16. Side Jack Panel Schematic
17. Layout Side Jack Panel
REFER TO SAFETY GUIDELINES
Manual 7646
Model no.: 20PT6245/37
First Publish: 04-21-2005
Rev. Date: 05-18-2005
Print Date: 1/20/2006
Visit our World Wide Web Site at http://www.forceonline.com

Advertisement

loading

Related Manuals for Philips 20PT6245/37

Summary of Contents for Philips 20PT6245/37

  • Page 1 HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING © Philips Electronics North America Corporation Visit our World Wide Web Site at http://www.forceonline.com...
  • Page 2 HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING © Philips Electronics North America Corporation Visit our World Wide Web Site at http://www.forceonline.com...

  • Page 3: Safety Checks

    " " " & WARNING " " • , " - SAFETY CHECKS " " " " " FIRE AND SHOCK HAZARD IMPLOSION X-RADIATION LEAKAGE CURRENT COLD CHECK LEAKAGE CURRENT HOT CHECK PICTURE TUBE REPLACEMENT...
  • Page 4 PARTS REPLACEMENT " " " ! ; < > % ac leakage test " " " ! " # ! IMPLOSION X-RADIATION...
  • Page 5 " " & @ " & @ & " & @ & @ & @ & @ " & @ & @ " & @ & @ & @ ; < B & & @ 2 <...
  • Page 6 $ % & ' $ ( ) # ) * + % $ & , % - . / . - # * 0 1 . * 2 0 , ! 1 6C C C C 9 6 " " D "...

  • Page 7: Picture Tube Replacement

    PICTURE TUBE REPLACEMENT PARTS REPLACEMENT < " TV SAFETY NOTES SAFETY CHECKS IMPLOSION...
  • Page 8 X-RADIATION PICTURE TUBE REPLACEMENT PARTS REPLACEMENT < TV-VCR COMBI SAFETY NOTES & SAFETY PRECAUTIONS FOR TV CIRCUITS " " ) 0 * ) 1 * " " " = " ) 0 * " ) 1 * $ ) 2 * "...
  • Page 9 = . 1 # . * # ! . ! 1 # 0 2 " * . 0 # 8# * ) 4 , & ) ? 4 B * ' 1 , - * . 7 * ; > = . 1 # . * # ! : &...

  • Page 10: Precautions During Service

    " " PRECAUTIONS DURING SERVICE : . 8/ " ) < " " 0 * : 1 * = 2 * & 1 * @ " " & : " 0 C 4 0 6 " " F% # 8/ * ; / 5# - ! ! - * "...

  • Page 11: Safety Check After Servicing

    2 * % 3* + " SAFETY CHECK AFTER SERVICING 0 " . . ! - # ) * . ! - ) A * . 3 " $ < . * # ! 0 ) 7 ) " - * 1 . . "...

  • Page 12: Important Notice

    VCR SAFETY NOTES FIRE & SHOCK HAZARD (VCR) " " " " " " ! * , ) . " # ! # ) " . * # ! * . ! ) 7 8 1 , # ! 0 * 2 # ) * ) * % + 6C C C 0 6C C C 0 6 <...
  • Page 13 PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) ) * = ) = * " " " ) < " ; < " ) = * ) ; ) * 8 ! ) * . " " < ; 1 C 4 1 1...
  • Page 14 HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING © Philips Electronics North America Corporation Visit our World Wide Web Site at http://www.forceonline.com...
  • Page 16 HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING © Philips Electronics North America Corporation Visit our World Wide Web Site at http://www.forceonline.com...
  • Page 24 HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING © Philips Electronics North America Corporation Visit our World Wide Web Site at http://www.forceonline.com...
  • Page 30 HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING © Philips Electronics North America Corporation Visit our World Wide Web Site at http://www.forceonline.com...
  • Page 44 HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING © Philips Electronics North America Corporation Visit our World Wide Web Site at http://www.forceonline.com...
  • Page 45 20PT6245/37 - Manual no. 7646 Page: 1 2457 Cap, 470p, 10%, 500v, Ceramic..3198 019 44710 Main Chassis 2460 Cap, 82n, 10%, 100v, Metalized Polyeste 2222 365 25823 Main Chassis 2461 Cap, 1n, 5%, 25v, Ceramic..
  • Page 46 20PT6245/37 (continued) Page: 2 2859 Cap, 1u, +80/-20%, 10v, Ceramic..2238 246 59863 3454 Res, 10K, 5%, 1/16W, Metalized Glass . 3198 021 31030 2860 Cap, 100n, 10%, 16v, Ceramic ..3198 017 31040...
  • Page 47 20PT6245/37 (continued) Page: 3 3691 Res, 330 ohm, 5%, 1/16W, Metalized Glas 3198 021 33310 6501 Diode, Rect, 1N5062 ..3198 010 10120 3693 Res, 220 ohm, 5%, 1/6W, Carbon Film. .
  • Page 48 20PT6245/37 (continued) Page: 4 0253 Socket, Phone, 1 Pin ..2422 026 04747 0254 Connector, 5 Pin ... 2422 025 12481 0255 Connector, 4 Pin .
  • Page 49 20PT6245/37(7646) - Chassis Overview Page: 1 of 17...
  • Page 50 20PT6245/37(7646) - A1 - Power Supply Schematic Page: 2 of 17...
  • Page 51 20PT6245/37(7646) - A2 - Deflection Schematic Page: 3 of 17...
  • Page 52 20PT6245/37(7646) - A3 - Tuner IF Schematic Page: 4 of 17...
  • Page 53 20PT6245/37(7646) - A4 - Video Processing Schematic Page: 5 of 17...
  • Page 54 20PT6245/37(7646) - A5 - Audio Processing (Stereo + SAP) Schematic Page: 6 of 17...
  • Page 55 20PT6245/37(7646) - A6 - Audio Amplifier + Mono Sound Processing Schematic Page: 7 of 17...
  • Page 56 20PT6245/37(7646) - A7 - Font I/O + Front Control + Headphone Page: 8 of 17...
  • Page 57 20PT6245/37(7646) - A8 - Rear I/O Schematic Page: 9 of 17...
  • Page 58 20PT6245/37(7646) - A9 - DVD Power Supply Schematic (Optional) Page: 10 of 17...
  • Page 59 20PT6245/37(7646) - B1 - CRT Panel Schematic Page: 11 of 17...
  • Page 60 20PT6245/37(7646) - Layout Mono Carrier: (Top Side) Page: 12 of 17...
  • Page 61 20PT6245/37(7646) - Layout Mono Carrier (Overview Bottom Side) Page: 13 of 17...
  • Page 62 20PT6245/37(7646) - Layout CRT Panel (Top Side) Page: 14 of 17...
  • Page 63 20PT6245/37(7646) - Layout CRT Panel (Bottom Side) Page: 15 of 17...
  • Page 64 20PT6245/37(7646) - Side Jack Panel Schematic Page: 16 of 17...
  • Page 65 20PT6245/37(7646) - Layout Side Jack Panel Page: 17 of 17...