Casio TV-M430S Скачать руководство пользователя страница 6 | Manualshive

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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

Top View

Bottom View

VR303

VR301

VR502

VR700

VR101

VR511

P105

P155

P151

P154

P131

P141

P702

P703

P704

P181

P304

P510

P307

P300

P152

P171

P303

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Содержание TV-M430S

Страница 1: ...R without price AUG 2002 TV M430S TV M430S INDEX Ver 1 SEP 2002 ...

Страница 2: ...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 ...

Страница 3: ...acklight High luminance fluorescent material 7 Antenna Rod antenna VHF UHF 8 Speaker 11 8ø inches 28 mm x 1 9 Connection Terminals Earphone jack 3 5ø mini External power source jack DC IN 12V Audio Video input jack 3 5ø mini External Antenna jack 3 5ø mini 10 Power Supply 2 way power supply system AC AC adaptor AD K1200 option Car battery Car battery cord CA K1200 accessories 11 Power Consumption ...

Страница 4: ...aldives Malta Monaco Mozambique Nepal Netherlands New Zealand Nigeria Norway Oman Pakistan Papua New Guinea Portugal Qatar San Marino Seychelles Sierra Leone Singapore Spain Sri Lanka Slovenia Sudan Swaziland Sweden Switzerland Syrian Arab Republic Tanzania Thailand Turkey Uganda United Arab Emirates Yemen Yugoslavia Zambia Zimbabwe Albania Italy Cyprus Egypt Equatorial Guinea Greece Iran Iraq Leb...

Страница 5: ...AW FILTE R TUNING BT AMP BA10358F POWER BAND SW DC DC CONVERTER TRANS CEE98 TUNING CONTROLLER AN5707NFAP CHOPPER 1CHIP 7 8V 9V REGULATOR NJM78M09DL1A 9V REGULATOR NJM78L09UA VCC7 30V VCC5 13 5V VCC3 7 5V VCC2 5V VDD 3V VEE1 15V CHOPPER BL 7 8V INVERTER TRANS C 81 DC DC CONTROLLER TFT CONTROLLER CM7021L4 IH DELAY LINE LC89950 VIF SIF VIDEO CHROMA LA7688 AV JACK AUDIO VOL AUDIO AMP NJM386BD SECAM LA...

Страница 6: ...stment 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 Top View Bottom View VR303 VR301 VR502 VR700 VR101 VR511 P105 P155 P151 P154 P131 P141 P702 P703 P704 P181 P304 P510 P307 P300 P152 P171 P303 ...

Страница 7: ... P154 voltage becomes 5 00 0 05 V As the dummy load connect the following VCC2 P154 to GND 1 3 KΩ VCC5 P152 to GND 22 KΩ VEE1 P155 to GND 150 KΩ Checking VCC9 P141 7 8 0 3 V VCC8 P131 7 8 0 3 V VCC7 P151 30 0 2 0 V VCC5 P152 13 5 1 0 V VEE1 P155 15 0 1 0 V VDD P171 3 0 0 1 V VCC1 2 P181 9 0 0 3 V Block diagram V Digital Voltmeter L PCB Stabilizer VCC1 1 VCC9 VCC8 VCC7 VCC5 VCC2 VEE1 VDD 22KΩ 150KΩ...

Страница 8: ... check input electric field with 75 ohm termination Power supply VCC1 1 P105 13 50 0 05 V Connect SYF terminal P702 and GND Room temperature 25 5 C Adjustment Monitoring HDB P704 with a frequency counter adjust VR700 so that the frequency is 15 625 0 1 kHz Caution 1 Disconnect the wire between SYF terminal and GND When inputting Applying IF signal make sure that synchronization is normal on the di...

Страница 9: ...supply VCC1 1 P105 13 50 0 05 V Room temperature 25 5 C Adjustment 1 Connect the KILLER terminal P307 to GND P300 2 Adjust the bright VR304 so that the voltage of the 1 chip G output P304 from the blank level to the black level becomes 0 30 0 05 V 3 Adjust the contrast VR301 so that the voltage of the 1 chip G output P304 from the blank level to the white level becomes 0 87 0 05 V In case of the w...

Страница 10: ...5 13 50 0 05 V Room temperature 25 5 C Carry out this adjustment after the Bright contrast adjusmtnet for 1 chip Adjustment Adjust the color VR303 so that the amplitude of the fourth pulse of the B output P303 from the blank level to its peak becomes 1 10 0 05 V which is the same level as that of white 100 Caution 1 Perform after Contrast adjustment 2 VB waveform s pedestal pedestal voltage should...

Страница 11: ...0 0 05 V NOTE There are two adjustment positions If adjusted at the wrong positions the pedestal may fluctuate Caution 1 RGB_AMP setting becomes maximum gain by chip jumper 2 BRT short pad P510 is open 3 Carry out the adjustment so that the level of the inversion black and noninversion white waveforms become equal at gray scale Block diagram Oscilloscope L PCB VG output VCC1 1 IF signal Signal gen...

Страница 12: ... 10 DISASSEMBLY 1 Remove one screw and then the antenna Screw hook position 2 Remove four screws and then the LOWER CASE Screw Screw ...

Страница 13: ... 11 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 3 Remove the UPPER CASE grey orange Screws Screws ...

Страница 14: ...UNIT 1 Unsolder four wires 2 Remove the connector 3 Remove two hooks 4 Open the LCD UNIT as shown below remove the connector and then the detach the LCD UNIT 4 Remove two screws and then the KEY PCB Screws Connector Connector Hook ...

Страница 15: ... 13 PRINTED CIRCUIT BOARDS TOP VIEWS Linear Back Light ...

Страница 16: ... 14 BOTTOM VIEWS Linear Back Light ...

Страница 17: ... 15 EXPLODED VIEW 5 S5 S2 17 S1 19 4 S3 3 2 15 16 7 6 8 12 13 S6 17 20 18 18 21 22 23 14 10 11 9 1 S3 S4 ...

Страница 18: ...17 1003 5203 CASE SEALED RJK501346 001V01 1 AC X 18 1003 9350 PLATE SEALED K441788 2 1 AA X 19 6604 1410 TAPE K4117 7 2 AA X N 20 1009 5575 PCB ASSY LINEAR RJK503460 001V01 TK 1 DT B N 21 1008 9140 KNOB SW RJK501357 003V01 1 AA X N 22 1008 9141 COVER SW RJK502757 001V01 2 AA C N 23 1009 5573 PCB ASSY KEY TK RJK503462 1V01 1 CA C N S1 1003 5218 SCREW BT3P 1 7X4NI 2 AA X S2 6630 7430 SCREW K440305 1...

Страница 19: ...al Antenna Jack Tuner AV Jack Power Switch Power Jack Power Supply Circuit Tuning Controller VDD 3 0V VCC2 5 0V VCC5 13 5V VCC7 30 0V VCC8 7 8V VCC1 2 9 0V LCD Controller LCD Interfave VCOM AMP Audio Amplifer Circuit Speaker VCC1 1 13 5V ...

Страница 20: ... 18 KEY ...

Страница 21: ...CASIO TECHNO CO LTD Overseas Service Division Nishi Shinjuku Kimuraya Bldg 1F 5 25 Nishi Shinjuku 7 Chome Shinjuku ku Tokyo 160 0023 Japan Ver 1 Correctionofpage16 ...

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