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Service Manual
This simplified service manual is issued to add the models of the NA7D family listed above to main manual order No.
MTNC010734C1 (CT-2022HE). Included in this simplified service manual are unique characteristics and a complete
parts list. Please file and use together with the main service manual order No. MTNC010734C1 (CT-2022HE) and
related manuals.
"WARNING! This service manual is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the product or products dealt with in this service manual by anyone else could result in serious injury or death."
The service technician is required to read and follow the "Safety Precautions" and "Important Safety Notice" in this Manual.
Color Television
Simplified Manual
(NA7D)
Panasonic
Models
CT-2022HBF
CT-2022HBCF
Copyright 2002 by Matsushita Electric Corporation of
America. All rights reserved. Unauthorized copying
and distribution is a violation of law.
ORDER NO. MTNC020827A1
B1
Chassis
AP395
AP395
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Table of Contents
Related Manuals for Panasonic CT-2022HBF
Summary of Contents for Panasonic CT-2022HBF
- Page 1 Simplified Manual (NA7D) Panasonic Models Chassis CT-2022HBF AP395 CT-2022HBCF AP395 This simplified service manual is issued to add the models of the NA7D family listed above to main manual order No. MTNC010734C1 (CT-2022HE). Included in this simplified service manual are unique characteristics and a complete parts list.
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Page 2: Important Safety Notice
Important safety notice Special components are used in this television set which are important for safety. These parts are identified on the schematic diagram by the symbol and printed in BOLD TYPE on the replacement part list. It is essential that these critical parts are replaced with the manufacturer’s specified replacement part to prevent X-ray radiation, shock, fire or other hazards. - Page 3 About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and copper (Cu) although other types are available.
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Page 4: Table Of Contents
Important safety notice ....2 Safety precautions....2 General guidelines. -
Page 5: Service Notes
Service notes Note: Some components may be affixed with glue. Be careful not to break or damage foil under the component or at the pins of the ICs when removing. Usually applying heat to the component for a short time while twisting with tweezers will break the component loose. -
Page 6: X-Ray Protection Circuit Check & Adjustments
IMPORTANT: To protect against possible damage to X-Ray protection circuit check & the solid state devices due to arcing or static discharge, adjustments make certain that all ground wires and CRT DAG wire This test must be performed as final check before the are securely connected. - Page 7 Receiver feature table FEATURE/MODEL CT-2022HBF/HBCF Chassis AP395 Tuning system 40K - GEN Number of channels Closed Caption V-Chip 75 Ω input Remote TV Only EUR501450 CRT SUPPLIER BMCC Comb filter 2 Dig V/A norm (X=BOTH) AUTO ON AI Sound (always on) Built-in audio power 1.5W...
- Page 8 Specifications are subject to change without notice or obligation. Dimensions and weights are approximate. Note: When ordering a replacement board, append an “S” to the board number. Example: to order the A-Board for CT-2022HBF, the replacement board is TNP2AH024DZS. - 8 -...
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Page 9: Location Of Controls (Remote)
Location of controls (remote) POWER button Press to turn ON and OFF. MUTE button Press to mute sound. A second press resumes sound. Press also to access and delete closed caption display. TV/VIDEO button Press to select TV or Video input. VOLUME buttons Press to adjust TV sound level. -
Page 10: Identification Of Components
Identification of components CRT socket Q351 R out Q352 G out Q353 B out Figure 3. C-Board components location - 10 -... - Page 11 Identification of components IC050 halftone IC001 Components on trace side Front A/V T801 jacks IC801 Chopper IC451 IC003 IC002 Transformer D801 IC552 Stand-By IC2401 Q551 Flyback T551 IC551 9V Reg TNR001 RL801 IC2302 F801 Figure 4. A-Board location of components - 11 -...
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Page 12: Audio Signal Path Block Diagram
Audio signal path block diagram Figure 5. Audio signal block diagram - 12 -... -
Page 13: Video Signal Path Block Diagram
Video signal path block diagram Figure 6. Video signal block diagram - 13 -... -
Page 14: Parts List
REPLACEMENT PARTS LIST Models: CT-2022HBF, CT-2022HBCF. Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. DESCRIPTION REF NO. PART NO. - Page 15 REPLACEMENT PARTS LIST Models: CT-2022HBF, CT-2022HBCF. Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. DESCRIPTION REF NO. PART NO.
- Page 16 REPLACEMENT PARTS LIST Models: CT-2022HBF, CT-2022HBCF. Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. DESCRIPTION REF NO. PART NO.
- Page 17 REPLACEMENT PARTS LIST Models: CT-2022HBF, CT-2022HBCF. Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. DESCRIPTION REF NO. PART NO.
- Page 18 REPLACEMENT PARTS LIST Models: CT-2022HBF, CT-2022HBCF. Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. DESCRIPTION REF NO. PART NO.
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Page 19: Components Abbreviations Guide
REPLACEMENT PARTS LIST Models: CT-2022HBF, CT-2022HBCF. Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. DESCRIPTION REF NO. PART NO. -
Page 20: Schematic Notes
Notes: IMPORTANT SAFETY NOTICE CHIP TRANSISTOR THIS SCHEMATIC DIAGRAM INCORPORATES SPECIAL LEAD DESIGNATION FEATURES THAT ARE IMPORTANT FOR PROTECTION FROM X-RADIATION, FIRE AND ELECTRICAL SHOCK HAZARDS. WHEN SERVICING ESSENTIAL THAT ONLY MANUFACTURERS SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS DESIGNATED WITH A IN THE SCHEMATIC. - Page 21 Notas NOTA DE SEGURIDAD DIAGRAMAS ELÉCTRICOS INCLUYEN CARACTERÍSTICAS ESPECIALES MUY IMPORTANTES IDENTIFICACIÓN DE TERMINALES PARA TRANSISTORES EN CHIP PARA PROTECCIÓN CONTRA RAYOS-X, QUEMADURAS Y DESCARGAS ELÉCTRICAS. CUANDO SERVICIO IMPORTANTE USAR PARA REEMPLAZO COMPONENTES CRITICOS, SOLO PARTES ESPECIFICADAS POR EL FABRICANTES. LOS COMPONENTES CRITICOS ESTAN SEÑALADOS EN LOS DIAGRAMAS POR EL SIMBOLO NOTAS DE LOS DIAGRAMAS...
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Page 22: A-Board Schematic
A-Board - 22 -... - Page 23 A-Board - 23 -...
- Page 24 A-Board - 24 -...
- Page 25 A-Board - 25 -...
- Page 26 A-Board - 26 -...
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Page 27: C-Board Schematic
- 27 - C-Board... - Page 28 ® Printed in USA K02082597PL0827...