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Panasonic CT-25G6E Service Manual

Panasonic CT-25G6E Service Manual

Quasar
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Service Manual
CT-27G6E/DE/UE
This Service manual is issued as a service guide for the models of the NA7D family listed above. Included are
schematics, alignment procedures, disassembly procedures, and a parts list.
"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.
Copyright 2001 by Matsushita Electric Corporation of America. All rights reserved. Unauthorized copying and distribution is a violation of law.
SP-2724E/UE
Color Television
Main Manual
(NA7D)
Panasonic
Models
CT-25G6E
CT-25G6CE
CT-25G6UE
CT-27G6E
CT-27G6DE
CT-27G6UE
Quasar
Models
SP-2724E
SP-2724UE
ORDER NO. MTNC010306C1
B5
Chassis
AP361
AP361
AP361
AP362
AP362
AP362
Chassis
EC363
EC363

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Summary of Contents for Panasonic CT-25G6E

  • Page 1 ORDER NO. MTNC010306C1 Service Manual Color Television Main Manual (NA7D) Panasonic Models Chassis CT-25G6E AP361 CT-25G6CE AP361 CT-25G6UE AP361 CT-27G6E AP362 CT-27G6E/DE/UE CT-27G6DE AP362 CT-27G6UE AP362 Quasar Models Chassis SP-2724E EC363 SP-2724UE EC363 SP-2724E/UE This Service manual is issued as a service guide for the models of the NA7D family listed above. Included are schematics, alignment procedures, disassembly procedures, and a parts list.
  • Page 2: Service Mode (Electronic Controls)

    Service Mode (Electronic Controls) This Receiver has electronic technology using the I²C Bus Concept. It performs as a control function and it replaces many mechanical controls. Instead of adjusting mechanical controls individually, many of the B 00 33 C 00 0 255 control functions are now performed by using “On Screen Display Menu”.
  • Page 3: Instructional Flow Chart For Service Mode

    Instructional Flow Chart for Service Mode IMPORTANT Always Exit the Service Mode Following Adjustments. NORMAL MODE Momentarily short FA1 to FA2 ( AGING MODE • Yellow “CHK” appears in upper left corner of screen. WHITE • Volume Up/Down operate rapidly. SCREEN •...
  • Page 4 CUT-OFF ADJUSTMENTS. C ITEMS. ON REMOTE CONTROL TO Adj. SELECT ADJUSTMENT needed? ON REMOTE TO ADJUST VOL VOL THE LEVEL POWER (ON REMOTE) M, S, P & X Adjustments procedures are similar to the B Adjustments. ON REMOTE CONTROL TO Adj.
  • Page 5 C-BOARD -- TARJETA C C-BOARD SCHEMATIC, LAYOUT & VOLTAGES -- DIAGRAMA ELÉCTRICO, CIRCUITO IMPRESO Y VOLTAJES TARJETA C ALL MODELS -- TODOS LOS MODELOS Notes: • Check Parts List for most recent component values and part numbers. • Obtain voltages with a digital multimeter. •...
  • Page 6 A-BOARD -- TARJETA A A-BOARD SCHEMATIC LEFT PORTION -- DIAGRAMA ELÉCTRICO TARJETA A SECCIÓN IZQUIERDA CT-25G6E/CE/UE - 40 -...
  • Page 7 A-BOARD -- TARJETA A A-BOARD SCHEMATIC RIGHT PORTION -- DIAGRAMA ELÉCTRICO TARJETA A SECCIÓN DERECHA CT-25G6E/CE/UE CHIP TRANSISTOR LEAD DESIGNATION IDENTIFICACIÓN DE TERMINALES PARA TRANSISTORES EN CHIP - 41 -...
  • Page 8 A-BOARD - TARJETA A A-BOARD SCHEMATIC LEFT PORTION -- DIAGRAMA ELÉCTRICO TARJETA A SECCIÓN IZQUIERDA CT-27G6E/CE/UE & SP2724E/UE - 42 -...
  • Page 9 A-BOARD -- TARJETA A A-BOARD SCHEMATIC RIGHT PORTION -- DIAGRAMA ELÉCTRICO TARJETA A SECCIÓN DERECHA CT-27G6E/CE/UE & SP2724E/UE CHIP TRANSISTOR LEAD DESIGNATION IDENTIFICACIÓN DE TERMINALES PARA TRANSISTORES EN CHIP - 43 -...
  • Page 10 A-BOARD -- TARJETA A A-BOARD VOLTAGES -- VOLTAJES TARJETA A ALL MODELS -- TODOS LOS MODELOS IC001 IC002 IC050 IC551 IC2201 IC2301 ..GND ..GND ..GND .
  • Page 11 SERVICE MODE (ELECTRONIC CONTROL) SERVICE ADJUSTMENT VALUES Model _____________________________________________ Ser #_____________ Date_________________ Note: Record the original settings PRIOR to modifying the registers. Service Adjustment Def. Original Service Adjustment Def. Original Mode Mode Adjustment Range Val. Value Value Adjustment Range Val. Value Value Cut-Off Adjustments, Cont.
  • Page 12 SERVICE MODE, CONT. (ELECTRONIC CONTROL) SERVICE ADJUSTMENT VALUES Model _____________________________________________ Ser #_____________ Date_________________ Note: Record the original settings PRIOR to modifying the registers. Service Adjustment Def. Original Service Adjustment Def. Original Mode Mode Adjustment Range Val. Value Value Adjustment Range Val.