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Casio TV-M430S Service Manual & Parts List

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TV-M430S
AUG. 2002
TV-M430S
Ver. 1
SEP. / 2002
INDEX
R

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  Summary of Contents for Casio TV-M430S

  • Page 1 (without price) TV-M430S AUG. 2002 TV-M430S Ver. 1 SEP. / 2002 INDEX...
  • Page 2: Table Of Contents

    CONTENTS SPECIFICATIONS ..................1 BLOCK DIAGRAM ..................2 SETTING THE SYSTEM SELECTOR ............3 ADJUSTMENT ....................4 DISASSEMBLY ................... 10 PRINTED CIRCUIT BOARDS ..............13 EXPLODED VIEW ..................15 PARTS LIST ....................16 SCHEMATIC DIAGRAMS ................17...
  • Page 3: Specifications

    SPECIFICATIONS Item Specification 1. Type LCD Color Television 2. Reception Frequencies UHF: UHF band CH 21 – CH 69 (CCIR, O.I.R.T., F.O.T.) CH 21 – CH 68 (U.K.) CH 13 – CH 57 (CHINA) VHF: VHF band CH 2 – CH 12 (CCIR) CH 1 –...
  • Page 4: Block Diagram

    SETTING THE SYSTEM SELECTOR You can set the TV to receive signals for any one of seven different television systems. This means that the TV can be adjusted to suit the tuning requirements of almost any geographic area in the world. Setting the Color system selector and TV system selector Find the name of the country where you will be using the TV COLOR...
  • Page 6: Adjustment

    ADJUSTMENT 1. VCC2 adjustment, VCC9, VCC8, VCC7, VCC5, VEE1, VDD, VCC1-2 voltage check 2. Free running frequency adjustment 3. Bright, contrast adjustment for 1 chip 4. COLOR adjustment 5. Bright, Contrast adjustment 6. Current consumption check Preparations 1. Adjust the above items 1 through 5 with the dummy load. Adjustment And Test Point Locations P510 VR511...
  • Page 7 Adjustment procedures 1. VCC2 adjustment, VCC9, VCC8, VCC7, VCC5, VEE1, VDD, VCC1-2 voltage check • Condition Power supply: VCC1-1(P105) = 13.50 ± 0.05 [V] • Adjustment Apply 13.50 ± 0.05 [V] on VCC1-1(P105). Adjust VR101 so that VCC2 (P154) voltage becomes 5.00 ± 0.05 [V]. As the dummy load, connect the following.
  • Page 8 2. Free running frequency adjustment • Conditions (1) Signal No signal (PAL standard signal should be applied only at synchronous check) (2) Signal level Input electric field only at synchronous check: 70 dBµ (terminated with 75-ohm resistance), P/S = 10 dB (3) Other conditions CCIR IF input only at synchronous check (input electric field with 75-ohm termination).
  • Page 9 3. Bright, contrast adjustment for 1 chip • Conditions (1) Signal Broadcasting system: B/G Color system: PAL color bar (2) Signal level Input electric field: 70 dBµ (terminated with 75-ohm resistance), P/S = 10 dBµ (3) Other conditions CCIR IF input (input electric field should be terminated with 75-ohm resistance). Use VIDEO signal equivalent to TG7.
  • Page 10 4. COLOR adjustment • Condition (1) Signal Broadcasting system: B/G Color system: PAL color bar (2) Signal level Input electric field: 70 dBµ (75Ω termination), P/S = 10 dB (3) Other conditions CCIR IF input (input electric field should be terminated with 75Ω resistance). Use VIDEO signal equivalent to TG7.
  • Page 11 5. Bright, Contrast adjustment • Condition (1) Signal Broadcasting system: B/G Color system: PAL color bar (2) Signal level Input electric field: 70 dBµ (75Ω termination), P/S = 10 dB (3) Other conditions CCIR IF input (input electric field should be terminated with 75Ω resistance). Use VIDEO signal equivalent to TG7.
  • Page 12: Disassembly

    DISASSEMBLY 1. Remove one screw and then the antenna. Screw 2. Remove four screws and then the LOWER CASE. Screw Screw hook position — 10 —...
  • Page 13 3. Remove the tuner switch. 4. Disassembling the UPPER CASE 1 Unsolder the lead wires (grey and orange) of the speaker. 2 SRemove four screws. Screws grey orange Screws 3 Remove the UPPER CASE. — 11 —...
  • Page 14 4. Disassembling the LCD UNIT 1 Unsolder four wires. 2 Remove the connector. 3 Remove two hooks. Connector Hook 4 Open the LCD UNIT as shown below, remove the connector and then the detach the LCD UNIT. Connector 4. Remove two screws and then the KEY PCB. Screws —...
  • Page 15: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS TOP VIEWS Linear Back Light — 13 —...
  • Page 16 BOTTOM VIEWS Linear Back Light — 14 —...
  • Page 17: Exploded View

    EXPLODED VIEW — 15 —...
  • Page 18: Parts List

    PARTS PRICE LIST TV-M430S Item Parts Code Parts Name Secification Price R Remarks Code MAIN COMPONENT 1009 5095 ASSY / UPPER CASE RJK501757*005V01 1009 5234 SP ASSY RJK501577*002V01 3851 1267 ANTENNA YH810721 1008 9143 CASE / LOWER RJK502756-001V01 6610 0360 ATTACHMENT...
  • Page 19: Schematic Diagrams

    SCHEMATIC DIAGRAMS LINEAR Audio Amplifer Circuit External Antenna Jack VCOM AMP Speaker Tuner Tuning Controller AV Jack LCD Interfave LCD Controller VCC1-2 (+9.0V) VCC8 (+7.8V) VCC1-1 (+13.5V) Power Supply Circuit Power Switch VCC7 (+30.0V) VCC5 (+13.5V) Power Jack VCC2 (+5.0V) VDD (+3.0V) —...
  • Page 20 — 18 —...
  • Page 21 Ver. 1 : Correction of page 16. CASIO TECHNO CO.,LTD. Overseas Service Division Nishi-Shinjuku Kimuraya Bldg. 1F 5-25, Nishi-Shinjuku 7-Chome Shinjuku-ku, Tokyo 160-0023, Japan...