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akira 21FS9 Series Service Manual
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akira 21FS9 Series Service Manual

Chassis 5p60
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Summary of Contents for akira 21FS9 Series

  • Page 2 CHASSIS: 5P60 MODEL: CT-21FS9R Model No: CT-21FS9R Version 1.0...

  • Page 3: Table Of Contents

    CONTENT SAFETY NOTICE ........................... 4 TECHNICAL SPECIFICATION ......................5 GENERAL SPECIFICATION ......................... 5 CHASSIS BLOCK DIAGRAM ....................... 7 CHASSIS WIRING DIAGRAM......................17 PBC BOARD ............................18 SERVICE ADJUSTMENT ........................21 MECHANICAL DISASSEMBLY......................30 SCHEMATIC DIAGRAM ........................32 THROUBLE SHOOTING CHART ....................... 34 Model No: CT-21FS9R Version 1.0...

  • Page 4: Safety Notice

    SAFETY NOTICE SAFETY PRECAUTIONS An isolation transformer should be connected in the power line between the receiver and the AC line when a service is performed on the primary of the converter transformer of the set. Comply with all caution and safety-related notes provided on the cabinet back, inside the cabinet, on the chassis or the picture tube.

  • Page 5: Technical Specification

    TECHNICAL SPECIFICATION FEATURES AC 90-260V 50/60Hz MULTI SYSTEM: PAL BG/DK/I, SECAM BG/DK L/L (OPTION), NTSC M (OPTION) VOLTAGE SYNTHESISTED TUNING SYSTEM 200 PROGRAMS MEMORY BLUE BACK FUNCTION 180 MINUTES SLEEP TIMER FULL AUTO PROGRAM TIMER ON CLOCK; CHILD LOCK 1 AV INPUT + 1 FRONT AV +S – VIDEO INPUT 2 EURO SCART (OPTION) 1 YUV INPUT (OPTION) 1 AV (MONITOR) OUTPUT...
  • Page 6 AV IN/OUT SPECIFICATION Y/C IN-----y 1.0 0.2V 75 ohm c: 0.7V 75 ohm VIDEO IN ----1.0 0.2V 75ohm AUDIO IN ---- 0.2V (r.m.s) VIDEO OUT ---- 1.0 0.2V 75ohm AUDIO OUT ----0.2V (r.m.s) RGB IN: -----0.7V YUV ---- Y 1.0V ;...

  • Page 7: Chassis Block Diagram

    CHASSIS BLOCK DIAGRAM Model No: CT-21FS9R Version 1.0...
  • Page 8 IC 401 (UNIVERSAL HI-FI AUDIO PROCESSOR) TDA9859H IC605. IC606 <REGULATORS> L7800 SERIES REFERENCE VOLTAGE INPUT SERIES OUTPUT PASS ELEMENT CURRENT GENERATOR PROTECTION ERROR REFERENCE STARTING AMPLIFIER VOLTAGE CIRCUIT THERRMAL PROTECTION Model No: CT-21FS9R Version 1.0...
  • Page 9 IC 402 (SRS TRUBASS) NJM2192 AM Model No: CT-21FS9R Version 1.0...
  • Page 10 IC 401 (AV SWITCH W/IIC BUS CONTROL) M52797SP Model No: CT-21FS9R Version 1.0...
  • Page 11 IC 101 (SYSTEM TV SIGNAL PROCESSOR-TELETEXT) TDA93XXPS/N2/5I Model No: CT-21FS9R Version 1.0...
  • Page 12 IC 103 (DIGITAL TV SOUND DEMODULATOR / DECODER) TDA9874AH Model No: CT-21FS9R Version 1.0...
  • Page 13 IC 302 (VERTICAL DEFLECTION BOOSTER) (TDA4863AJ) IC 404(BTL AUDIO AMPLIFIER)(TDA8944J) Model No: CT-21FS9R Version 1.0...
  • Page 14 IC 803(MULTISTANDARD COMB FILTE) (TDA9181T) IC 802(HEF4052) Model No: CT-21FS9R Version 1.0...
  • Page 15 IC 601 <PHOTO TRANSISTOR> TLP621 TLP621 1:ANODE 2:CATHODE 3:EMITTER 4:COLLECTOT IC 604 <POWER SWITCH> KA5Q12XXRF Model No: CT-21FS9R Version 1.0...
  • Page 16 Transistor Mark N P N N P N P N P N P N P N P P N P N P N N P N N P N P N P P N P N P N P N P C5148 I N P U T I N P U T...

  • Page 17: Chassis Wiring Diagram

    CHASSIS WIRING DIAGRAM TO FRONT VIDEO IN CN 202 TO FRONT AUDIO IN TO KEYBOARD CN 203 CN 703 TO H501 CN 805 FROM CN801A CN 806 TO CN 706 TO CN 705 CN 701 FROM CN802A CN 706 CN401B FROM Cn805 CN 803 +H403...

  • Page 18: Pbc Board

    PBC BOARD Model No: CT-21FS9R Version 1.0...
  • Page 19 CAM350 PRO V 6.0 : Wed Jan 15 10:17:54 2003 - (Untitled) Model No: CT-21FS9R Version 1.0...
  • Page 20 SIDE FRONT AV & AV PCB TOP LAYER CONTROL PCB TOP LAYER 5800-D25TMY-01 Model No: CT-21FS9R Version 1.0...
  • Page 21 Service items This appendix shows information about service items that are available. The table list all possible available service items with its. Model No: CT-21FS9R Version 1.0...
  • Page 22 Model No: CT-21FS9R Version 1.0...
  • Page 23 Model No: CT-21FS9R Version 1.0...
  • Page 24 Model No: CT-21FS9R Version 1.0...

  • Page 25: Mechanical Disassembly

    MECHANICAL DISASSEMBLY Cabinet back removal Refer to figure 1, remove 10 screws. Pull off cabinet back and remove. Chassis removal Remove cabinet back. Discharge the picture tube anode (2 anode lead) to the dag coating (picture tube grounding lead). Disconnect Degaussing coil socket (KE), picture tube socket, Deflection yoke connector (KDY), speaker connectors (KL and KR) and 2 anode lead.
  • Page 26 Picture tube removal CAUTION: Do not disturb the deflection yoke or magnet assembly on the picture tube Neck. Care must be taken to keep these assemblies intact, unless picture tube is being replaced. Discharge the picture tube to the coating before handling the tube. Remove chassis, referring to chassis removal instructions.

  • Page 27: Schematic Diagram

    5P60 SCHEMATIC DIAGRAM CN003 M001 5.6K 3.3K 2.7K 1.5K 1.2K CON5 (38K) L102 RR1 100 R125 R161 OPTION 10u/16V 4.7k 4.7k RD11 SAW103 (SECAM L/L') OFW_L9453 LED001 C111 R122 D101 1N4148 R506 D502 R508 BA157 TUNER 1200p IFin IFin SAW102 Q502 D503 R136...

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Ct-21fs9r