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akira CT-21PX9R Service Manual

Akira ct-21px9r color tv
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Summary of Contents for akira CT-21PX9R

  • Page 1 olour TV Service Manual...
  • Page 2 CHASSIS: 3Y11 MODEL: CT-21PX9R Model No: CT-21PX9R Version 1.0...

  • Page 3: Table Of Contents

    PURITY & CONVERGENCE ADJUSTMENT ................9 CONTROL LOCATION......................10 INPUT & OUTPUT TERMINALS ....................11 OPERATION INSTRUCTION....................12 MECHANICA DISASSEMBLING....................16 CABINET PARTS LIST ......................18 CIRCUIT DIAGRAM .........................19 CPT PCB TOP PLATER......................22 EXPLODED VIEW ........................23 PART LIST ..........................24 BOM LIST ..........................25 Model No: CT-21PX9R Version 1.0...

  • Page 4: Main Chassis Adjustment

    38.9MHz R.F. signal and connects to tuner IF output terminal or pin 5 of saw filter. 2. Connect Digital voltmeter across C227. DC Regulated power supply positive terminal output +20V to pin 1 of IC302 and negative terminal of D608. DC regulated power supply negative. PIF Adjustment (38.9M Figure 1) Model No: CT-21PX9R Version 1.0...
  • Page 5 Q102 B pole to the power terminal of R104 through a 10K resistor (shown in figure 2) 2. Apply +20VDC across IC302, viz C320 Positive terminal as shown in figure 2. 3. Adjust L108 to obtain waveform as below. Model No: CT-21PX9R Version 1.0...

  • Page 6: Factory Mode Adjustment

    2. Go to MENU 3 status according to FACTORY MODE ADJUSTMENT. 3. Select RF. AGC by pressing CH+ or PROG+ keys. Adjust VOL + and VOL – key to obtain 4V DIGITAL voltage meter reading. 4. Press MENU key to exit factory mode. Model No: CT-21PX9R Version 1.0...

  • Page 7: Complete Set General Adjustment

    2. Receive cross hatch pattern. Set TV standard status. Adjust V.LINE and V.SC to obtain picture vertical pin cushion a good status in factory mode MENU1. Receive cross hatch pattern. Set Tv standard status. In factory mode MENU1 adjust V.POSITION to obtain picture vertical center of CRT screen. Model No: CT-21PX9R Version 1.0...
  • Page 8 Horizontal size and pincushion distortion must be adjusted in pure flat tube as following: 1. Receive mono scope pattern. Adjust VR902 until redisplay ratio is correct. 2.Receive cross hatch pattern signal. Adjust Vr901 until the erect klines of the CRT two sides are most straight. Model No: CT-21PX9R Version 1.0...

  • Page 9: Purity & Convergence Adjustment

    4. Remove the DY wedges and slightly tilt the deflection yoke horizontally and vertically to obtain the good overall convergence. Fix them after the goob overall convergence got. Fix purity error is found, follow PURITY ADJUSTMENT instructions. Model No: CT-21PX9R Version 1.0...

  • Page 10: Control Location

    5. Program Down & Up Button 6. Volume Down & Up Button 7. Menu Button 8. AV/TV Button 9. Front AV In (Option) 10. Audio/Video - In/Out Jack 11. AC Power Cord Terminal Antenna (75 Ohm) Model No: CT-21PX9R Version 1.0...

  • Page 11: Input & Output Terminals

    INPUT AND OUTPUT TERMINALS VIDEO AND AUDIO INPUT/OUTPUT TERMINALS 1. Video / Audio input for playback for VCR. 2. Video / Audio monitor output. *Please keep AC cord unplugged when connecting TV system. Model No: CT-21PX9R Version 1.0...

  • Page 12: Operation Instruction

    2. 2.After enters each menu, you can select the item which you will adjust by PROG.+/- buttons, and adjust this item by VOL. +/- buttons. *The item which you select will change blue. Model No: CT-21PX9R Version 1.0...
  • Page 13 Press VOL.+/- Buttons, then the TV set will automatically search from V-L band to U band. You can select BRIGHTNESS, CONTRAST, COLOR, SHARPNESS, and TINT item by PROG +/- Buttons, and adjust the item which you select by VOL.+/- Buttons. Model No: CT-21PX9R Version 1.0...
  • Page 14 Set the awake time that you want. If you set the AWTIME is 12:00. The CATCH TIME11:58:00¡± will display on the screen for awaking you .It will disappear from the screen until¡° CATCH TIME 12:00:00¡±. Model No: CT-21PX9R Version 1.0...

  • Page 15: Selecting Program

    .If the symbol displayed on screen then press the LOCK button once will unlock. If the symbol not displayed on screen such as after program changed or standby off and on again. Press the LOCK button twin to unlock. Model No: CT-21PX9R Version 1.0...

  • Page 16: Mechanica Disassembling

    (picture tube grounding lead). 3. Disconnect Degaussing coil socket (KE). Picture tube socket, Deflection yoke connector (KDY). Speaker connectors (KL and KR),and 2 anode lead. 4. Remove chassis completely by sliding it straight back. Model No: CT-21PX9R Version 1.0...

  • Page 17: Picture Tube Removal

    5. Properly install the degaussing coil and picture tube grounding lead on the picture tube. SeeFigure2. Note: If the PictureTube is being replaced, mount the Degaussing Coi l on the picture tube. See following Figure1.Cabinet Back Removal Model No: CT-21PX9R Version 1.0...

  • Page 18: Cabinet Parts List

    SK100214NKM00 4 BACK CABINET-DARK GREY# DG00 194V- 0 (HIPS) SK1015HS08000 5 BOTTOM CABINE T-METAL SILVER GREY # MSG001 (ABS) SK1016HS08000 6 BATTERY DOOR-METALSILVERGREY#MSG001(ABS) TOP CABINET-METAL SILVER GREY #MSG00 1 FISHER W/ Remote SK1014HS08004 4 Control Model No: CT-21PX9R Version 1.0...

  • Page 22: Cpt Pcb Top Plater

    CRT PCB TOP PLATER FRONT AV & CONTROL PCB TO PLAY Model No: CT-21PX9R Version 1.0...

  • Page 23: Exploded View

    EXPLODED VIEW Model No: CT-21PX9R Version 1.0...

  • Page 24: Part List

    2B01-062210-R0 Screw BA 3.5X20 26BA-035200-N0 Main PCB Screw BA 4X20 26BA-040200-B0 Screw BA 3.5X16 26BA-035160-B0 Screw BA 4X12 26BA-040120-B0 Back cabinet 1002-21T071-01 Back AV Inlay 1205-21NS00-03 Back label 0601-21T040-01 Rubber cushion 1304-29TP00-01 LED holder 1012-216000-00 Model No: CT-21PX9R Version 1.0...

  • Page 25: Bom List

    DEGAUSSING COIL FOR 21" TV L=2300mm 5400-205113-01 HOUSING 01 + 380mm 1015 #20 WIRE+1060mm 5400-210302-02 HOUSING 02(VH3.96) + 300mm AC LINE H03VV 5400-250402-05 HOUSING 05 + 400mm WIRE X 4 1=RED 3=BLUE 5500-020208-00 MPS.KDC-A10-03 W/SCREW HOL E DIA. 3.2mm Model No: CT-21PX9R Version 1.0...
  • Page 26 21"IRICO C.P.T A51CPAA00X01(E)(N)P.29.1 0100-21T070-08 CARTON BOX "AKIRA" CT-21PX9R 0501-142200-06 WARRANTY CARD "AKIRA" INDONESIA 0501-21N010-03 WARRANTY CARD "AKIRA" RUSSIAN 0601-21T070-G4 BACK LABEL “AKIRA” CT-21PX9R ENG 0602-090218-00 X-RAY LABEL 0602-21T071-G4 SERIAL NO LABEL "AKIRA" 0603-21NX02-G4 SCREEN LABEL “AKIRA” 0612-21T071-G4 MODEL LABEL “CT-21PX9R”...
  • Page 27 EC.1000uF 25V +/-20%(FORMED,PITCH=5mm) 4300-BE477E-C0 E.C 470uF 35V +/-20% (FORMED,PITCH=5mm) 4300-BF475E-00 EC.4.7UF 50V-100V +/-20% 4300-BH107E-C1 EC.100uF 160V +/-20%(FORMED,PITCH=7.5mm) 4300-BJ106E-T0 EC.10UF 250V +/-20% 4300-BJ475E-C0 EC.4.7UF 250V +/-20%(FORMED,PITCH=5mm) 4300-EJ563C-01 MPFC.0.056uF 250V +/-5% 4304-BL227E-00 ELECTROLYTIC CAPACITOR 220uF 400V +/-20% Model No: CT-21PX9R Version 1.0...
  • Page 28 5400-925000-05 WAFER 2.5mm H X 5 PIN 5400-925000-06 WAFER 2.5mm H X 6 PIN 5400-950002-05 WAFER 5MM STV5-5A 5 PIN (SILVER) 6001-350001-00 FUSE T3.15A 250V HOLLYLAND 6400-030041-00 FERRITE BEAD 3.5 X 1 X 9 W/JUMPER Model No: CT-21PX9R Version 1.0...
  • Page 29 6400-030041-01 FERRITE BEAD 3.5 X 1 X 9.5mm PITCH=15mm 2100011505 3Y11(H)21"CAIHONG A51CPAA00X01 B+112V Model No: CT-21PX9R Version 1.0...
  • Page 30 ADHESIVED TAPE CUSHION 7 X 7 X 4 mm 5302-140038-00 INFRARED RECEIVER HS0038B 38KHz PCM 5401-420352-04 90 DEGREE PIN04+HOUSING 04(TJC3)+350mm 5500-110150-00 TSVT.H = 5mm KPT-1105A 4 PINS 5700-150120-00 LED LIGHT EMISSION 3.1mm RED LONG LEAD Model No: CT-21PX9R Version 1.0...
  • Page 31 5401-423502-03 90 DEGREE PIN 03+HOUSING 03(TJC3)+500mm 5800-G1N07Y-00 P.C BOARD 88X31X1.6MM FOR 21N07-3Y 6100-161951-21 RCA JACK H=19.5mm RED VERTICAL 3 P W/SW 6100-161951-41 RCA JACK H=19.5mm YELLOW VERTICAL 3P/SW 6100-161951-91 RCA JACK H=19.5mm WHITE VERTICAL 3P/SW Model No: CT-21PX9R Version 1.0...
  • Page 32 TRANSISTOR 2SC2482/3DG2482Y (TAPE TYPE) 4600-C45440-00 TRANSISTOR 2SC4544/3DA4544Y 5400-900000-01 WAFER 2.35mm 1 PIN 5401-020402-04 PIN 04 + HOUSING 04 (TJC3) + 400mm 5401-023542-05 PIN 05 + HOUSING 05 (TJC3) + 540mm SHIEL 6163-060108-29 CRT SOCKET GZS10-2-108 E/E 15-18KV Model No: CT-21PX9R Version 1.0...
  • Page 33 HEAT SINK (M6) 26WM-030080-N0 WM 3 X 8 4703-L42850-10 I.C. LA4285 SANYO (3W AUDIO OUTPUT) 3Y11-HEAT SINK FOR IC602 PART NO PART NAME 1505-21T010-02 HEAT SINK (M15) 26BA-030080-N0 BA 3 X 8 4704-R66530-05 I.C.STR-G6653 SANKEN (FLYBACK SWITCHING) Model No: CT-21PX9R Version 1.0...
  • Page 34 CARBON FILM RESIS 330K OHM 1/6W 5% 4100-AB3910-T0 CARBON FILM RESIS 390 OHM 1/6W 5% 4100-AB3920-T0 CARBON FILM RESIS 3.9K OHM 1/16-1/6W 5% 4100-AB4700-T0 CARBON FILM RESIS 47 OHM 1/16-1/6W 5% 4100-AB4720-T0 CARBON FILM RESIS 4.7K OHM 1/16-1/6W 5% Model No: CT-21PX9R Version 1.0...
  • Page 35 EC.10uF 25V +/-20% (TAPE TYPE) 4300-BD107E-T0 EC.100uF 25V +/-20%(TAPE TYPE) 4300-BD227E-T0 EC.220uF 25V +/-20%(TAPE TYPE) 4300-BD477E-T0 EC.470uF 25V +/-20%(TAPE TYPE) 4300-BE107E-T0 EC.100uF 35V +/-20%(TAPE TYPE) 4300-BE227E-T0 EC.220uF 35V +/-20%(TAPE TYPE) 4300-BF105E-T0 EC.1uF 50V +/-20% 4300-BF106E-T0 EC.10uF 50V-63V +/-20% Model No: CT-21PX9R Version 1.0...
  • Page 36 I.C. LM78L09 HTC KOREA (POSITIVE VOLTAGE 4800-010082-T0 PEAKING COIL 0.82uH (TAPE TYPE) 4800-011500-T0 PEAKING COIL 15uH +/-10% (TAPE TYPE) 5800-A3Y111-01 MAIN P.C.BOARD 304 X 246 X 1.6mm 3Y11 5900-G40106-00 COPPER JUMPER 0.6MM DIA. L=40mm 2100011506 3Y11(A)21"CAIHONG A51CPAA00X01 B+112V Model No: CT-21PX9R Version 1.0...
  • Page 37 P.T.C. RESISTOR 18 OHM +/-20% 4300-DL274C-00 PFC.0.27UF 400V +/-5% 4300-EF334C-00 MPFC.0.33UF 63-100V +/-5% 4300-ET152C-00 MPPFC.0.0015uF 2KV +/-5% 4300-ET762C-00 MPPFC.0.0076uF 2KV +/-5% 4800-021053-00 CHOKE COIL 105uH 4800-044402-13 LINEAR COIL 44uH 13mm/PITCH=5mm 5131-051101-25 21" FLYBACK TRANSFORMER BSC25-N1629 Model No: CT-21PX9R Version 1.0...
  • Page 38 4100-AD8210-T0 CARBON FILM RESIS 820 OHM 1/4W 5% 4100-AD8220-T0 CARBON FILM RESIS 8.2K OHM 1/4W 5% 4300-AF223H-T0 CERAMIC CAPACITOR 0.022uF 50V +80-20% 5800-D1T07P-01 KEY 6 P.C.BOARD 200X25X1.6MM FOR 21T07-3 5900-G40106-00 COPPER JUMPER 0.6MM DIA. L=40mm Model No: CT-21PX9R Version 1.0...
  • Page 39 4300-BF105E-T0 EC.1uF 50V +/-20% 4300-BF335E-T0 EC.3.3uF 50V-100V +/-20% 4300-EF104D-T0 MPFC.0.1UF 63-100V +/-10% 4300-MG102D-T0 MYLAR CAPACITOR 0.001uF 100V +/-10% 4300-MG153D-T0 MYLAR CAPACITOR 0.015UF 100V +/-10% 4600-C18150-T0 TRANSISTOR 2SC1815Y/2PC1815 (TAPE TYPE) 5900-G40106-00 COPPER JUMPER 0.6MM DIA. L=40mm Model No: CT-21PX9R Version 1.0...
  • Page 40 COPPER JUMPER 0.6MM DIA. L=40mm HEAT SINK FOR Q302 PART NO PART NAME 1505-21NX00-01 HEAT SINK (M8) 26BM-030080-N0 BM 3 X 8 2802-030508-M2 M3 SPRING WASHER 4601-D24990-00 TRANSISTOR 2SD2499 TOSHIBA (FOR HOR. DE 4614-D24990-00 TRANSISTOR 3DD2499 FOR HOR. DEFLECTION Model No: CT-21PX9R Version 1.0...

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