Casio TV-350C, Service Manual & Parts List

Page 1: ...C OCTOBER 1994 Page Specifications 2 Block Diagram 3 Adjustment Linear PCB 4 Printed Circuit Boards 8 Wiring Diagram 10 Electrical Parts List 11 Mechanical Parts List 17 Exploded Views Disassembly 18 Schematic Diagrams and Waveforms 19 INDEX ...

Page 2: ... alkaline batteries Approx 3 0 hours Batteries 4 AA size batteries Power Supply Car adaptor CA K65 AC adaptor AD K65 Connection Terminals Earphone jack 3 5ø mini External power jack 6 0 V DC IN Screen Size 1 6 inches No of Picture Element 39 600 110 360 dots Dimensions 122 mm H 66 mm ø Weight 210 g excluding batteries 7 4 oz excluding batteries Options AC adaptor AD K65 Car adaptor CA K65 ...

Page 3: ... Sound Det FM Det AFT AGC IC200 M51348FP Eliminates the carrier wave in the video IF signal and picks up the video signal and the sound IF signal Also the sound signal is picked up from the sound IF signal by FM detection 4 Audio Amp IC600 NJM2070M Sound amplification 5 Chroma Circuit IC300 M52045FP Generates the tricolor red green and blue from the video signal 6 OSC A D Converter Display control...

Page 4: ...al generator Pattern generator Oscilloscope Low pass filter AFT coil adjustment Sweep generator Oscilloscope Voltmeter Contrast adjustment TV signal generator Pattern generator Oscilloscope AGC adjustment TV signal generator Pattern generator IF levelmeter Clock adjustment Voltmeter 2 Adjustment and Test Point Locations TOP VIEW T201 T200 VR100 ...

Page 5: ...VR301 BOTTOM VIEW VCC2 Voltage Setting Input Input Input Output Output Connection Point Signal Connection Point Adjust Result 3 Equipment Connection Procedure Adjust for 3 95 0 02V reading on voltmeter Voltmeter VR100 Set Output Voltmeter TP1 TP1 TV 350 ...

Page 6: ...marker is at the middle of S curve on oscil loscope Sweep generator Set Oscilloscope Voltmeter Output Input Open soldering pad IF TP2 TP4 AFT Coil Adjustment Pattern generator Signal generator TP2 T200 TP3 Low pass filter Oscilloscope Color bar 38 9MHz 41 3dBµ Adjust for DC level at mini Input Input Input Output Output Connection Point Signal Connection Point Adjust Result Open soldering pad IF TP...

Page 7: ...st Result VR200 Adjust for 81 1 dBµ reading on the IF levelmeter TP2 TP7 Signal generator Pattern generator Set Input Output IF levelmeter TV 350 Tint Adjustment Voltmeter VR700 TP6 Adjust for 1 00 0 05V reading on voltmeter Set Output Voltmeter TP6 TV 350 Clock Adjustment Pulse A Pulse B Pattern generator Signal generator TP2 TP3 VR301 Color bar 38 9MHz 70 dBµ Low pass filter Oscilloscope Adjust ...

Page 8: ... R726 R725 R706 R833 Q806 R825 C845 Q805 R830 R824 R823 Q804 D700 C810 C700 R809 R810 R808 C761 R312 C351 R331 R330 R326 C347 R325 C350 R302 C305 C309 CN100 C346 R322 C345 C180 C135 R185 R184 R183 Q101 Q100 R101 VR100 T950 R607 R606 IC600 C600 R100 D100 R500 R502 C530 R504 R612 C641 C630 C641 R611 R610 C545 R545 R541 Q111 C112 C145 R117 D152 R827 D803 C335 R239 R718 C182 SW701 SW702 PRINTED CIRCUI...

Page 9: ... VR300 R738 D707 C741 R709 C740 C742 C340 C303 R301 R307 R306 R305 C331 R310 Q300 C332 R303 IC700 Q801 Q802 Q800 Q803 R815 R840 R816 R817 R818 R800 R705 R704 R247 C269 R734 C751 C750 VR700 C268 R225 R246 C261 C264 IC200 R201 C249 C237 C243 C245 C246 R212 C233 R207 R202 R205 R203 Q200 C236 C232 C235 R204 C240 R209 R210 R214 R220 VR200 L200 CN700 C230 C239 R708 C338 JK200 PW PCB Bottom View Linear P...

Page 10: ... 10 1 15 1 15 4 1 4 1 WIRING DIAGRAM KY PCB PW PCB Linear PCB ...

Page 11: ...0 Chip GR40PH560J50PT 20 C C264 2892 0491 Chip GR40CH020C50PT 20 C N C268 2897 2100 Chip GR40CH111J50PT 20 C C269 2892 0300 Chip GR40CH470J50PT 10 C C299 2892 0059 Chip GR40Y5V103Z50PT 10 C C303 2897 1827 Chip tantalum EMK316B474K T 10 C C305 2804 9064 Electrolytic 16RC2 10 10 C C309 2800 9182 Electrolytic 6 3RC2 47MS 20 C C331 Not Used C332 2897 0084 Chip GR42 6Y5V105Z16PT 20 C C335 2892 0865 Chi...

Page 12: ...riminator CDSL5 5MC30B12 5 C Oscillator H300 2590 0651 Crystal oscillator HC 49U C 1 C ICs IC200 2114 1827 Linear M51348FP T1 1 B IC300 2114 3311 Linear M52045FP T1 1 B IC700 2011 3514 Linear MSM6625 02GSK 640F 1 B Jack JK200 3501 5439 Jack HSJ1456 01 210 1 C Inductors N L102 3841 1162 Inductor LAL02VE220J 20 C L200 3013 0686 Chip MLF2012DR82K TP 10 C N L202 3841 1155 Chip LAL02VE8R2J 20 C N L705 ...

Page 13: ... 2791 0815 Chip ERJ 6GEYJ102V 20 C R322 2791 0607 Chip ERJ 6GEYJ333V 20 C R325 2791 1684 Chip ERJ 6GEYJ183V 20 C R326 2797 1015 Chip ERJ 6GEYK225V 20 C R330 2797 0014 Chip ERJ 6GEYJ821V 20 C R331 2791 2176 Chip ERJ 6GEYJ471V 20 C R335 2791 0750 Chip ERJ 6GEYJ223V 20 C R336 2797 0028 Chip ERJ 6GEYJ683V 20 C R342 2792 0110 Chip jumper ERJ 6GEYOR00V 20 C R343 2792 0110 Chip jumper ERJ 6GEYOR00V 20 C ...

Page 14: ...EYJ684V 20 C R824 2797 1953 Chip RR1220P 303 D 10 C R825 2797 1960 Chip RR1220R 274 D 10 C R827 2791 0607 Chip ERJ 6GEYJ333V 20 C R830 2791 2052 Chip ERJ 6GEYJ224V 20 C R833 2791 0750 Chip ERJ 6GEYJ223V 20 C Coils T200 3841 0700 Coil 5KAC 03A 1 C T201 3841 0700 Coil 5KAC 03A 1 C Tuner TU200 1013 5315 Tuner TEPE5 01 1 C Variable Resistors VR200 2775 1211 Chip semi fixed resistor EVM 1SSW50B54 1 C V...

Page 15: ...41 2892 0083 Chip GR40W5R103K50PT 10 C C642 2892 0040 Chip GR40Y5V104Z25PT 10 C C645 2892 0016 Chip GR40W5R102K50PT 10 C C925 2825 0301 TF ECQ V1H184JZ 20 C N C927 2813 3402 Ceramic DE1005SL221J2K 20 C Connector N CN600 3501 8204 Connector CGP1604 0101 20 C Diodes D100 2390 1183 Chip MA142WK TX 20 C D150 2390 1176 Chip MA152WK TX 20 C D152 2390 1176 Chip MA152WK TX 20 C D154 2390 1183 Chip MA142WK...

Page 16: ...797 2345 Chip ERJ 8GEYK4R7V 20 C R607 2797 2345 Chip ERJ 8GEYK4R7V 20 C R610 2791 0734 Chip ERJ 6GEYJ272V 20 C R611 2797 3297 Chip ERJ 6GEYJ911V 20 C R612 2791 0305 Chip ERJ 6GEYJ472V 20 C R645 2791 0696 Chip ERJ 6GEYJ470V 20 C R950 2791 0840 Chip ERJ 8GEYJ821V 20 C Switch N SW100 3412 0798 Slide switch ESD 11H231 1 C Converter and Transformer T100 3065 0441 DC DC converter LC12U 29 1 C T950 3012 ...

Page 17: ...pe A K541 K411557A 1 1 X N 20 6609 1946 PCB K546C L ass y 4 K311619 1 1 A N 21 5860 8274 Precision tap tight BT3 1 7x4 5Ni 2 X N 22 6608 8160 Earth terminal A K546 K411871 1 1 C N 23 6609 0250 Felt B K546 K410292 6 1 X N 24 6608 9360 DP lug terminal A K546 K412033 1 1 C 25 6604 8000 Insulation seal G K52 K452 11 1 C 26 6607 3901 Adhesive tape C K510 K411277A 2 1 X N 27 6608 8140 S case C K546 K311...

Page 18: ...34 29 32 25 15 26 28 27 22 12 20 18 13 3 9 6 1 8 1 8 2 8 3 8 4 8 5 1 Slide the battery cover 0 2 Remove 6 screws 2 4 and 3 3 Remove rod antenna 1 4 Remove lower case 9 33 5 33 3 33 4 33 2 33 1 33 8 33 7 34 1 35 37 37 37 EXPLODED VIEWS DISASSEMBLY 18 ...

Page 19: ... 19 SCHEMATIC DIAGRAMS AND WAVEFORMS Linear PCB BU BS BV BM VHF L 0V 20 8V 3 8V 3 8V VHF H 0V 0V 3 8V 3 8V UHF 3 8V 0V 0V 3 8V Pad IF TP2 2 3 TP3 TP4 8 7 6 5 TP5 12 TP6 11 13 1 4 ...

Page 20: ... 20 PW PCB 10 9 TP1 ...

Page 21: ...CN700 XXXX SP SP KDB Vcc2 4 3 2 1 CP601 CP701 CP702 CP700 GND to CHASSIS HP601 HP602 SP600 2803BFB C701 0 1 C702 0 01 R701 4 7K SW702 SKHUPD T SW701 SKHUPD T UP DOWN 21 KY PCB ...

Page 22: ...mV 4 IC300 Pin 23 5 IC300 Pins 10 11 12 6 IC300 Pin 5 3 0V 4 4µsec 7 IC300 Pin 4 8 IC300 Pin 1 9 Q111 Collector 0 Q111 Base A IC700 Pin 17 B Q806 Base C IC700 Pin 12 640mV 4 4µsec 140nsec 2 2V 2 6V 63 5 µsec 100µsec 63 5µsec 63 5µsec 63 5µsec 63 5µsec 63 5µsec 2 5V 15V 63 5µsec 63 5µsec 3 6V 1 0V ...

Page 23: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926 ...