Casio KX-503B Service Manual & Parts List Download Page 2

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CONTENTS

SPECIFICATIONS ......................................................................................... 1

BLOCK DIAGRAM ........................................................................................ 2

PRINTED CIRCUIT BOARDS ....................................................................... 3

EXPLODED VIEW ......................................................................................... 5

PARTS LIST .................................................................................................. 6

IC AND TRANSISTOR LEAD IDENTIFICATION ........................................ 10

SCHEMATIC DIAGRAMS ........................................................................... 13

WAVEFORMS .............................................................................................. 15

Summary of Contents for KX-503B

Page 1: ...R TV 770B KX 503B without price For NTSC JUN 1996 TV 770B CH 2 4 5 6 7 11 13 CH 14 30 40 50 60 69 INDEX ...

Page 2: ...CONTENTS SPECIFICATIONS 1 BLOCK DIAGRAM 2 PRINTED CIRCUIT BOARDS 3 EXPLODED VIEW 5 PARTS LIST 6 IC AND TRANSISTOR LEAD IDENTIFICATION 10 SCHEMATIC DIAGRAMS 13 WAVEFORMS 15 ...

Page 7: ... 5 10 6 15 16 19 20 18 11 12 13 21 9 5 4 14 1 2 3 LA900 17 8 8 7 7 5 25 24 23 22 EXPLODED VIEW ...

Page 9: ... 3064BB CA39 1 A Transistors Q950 2253 0308 Chip transistor 2SD1119 R TX 1 B Q951 2253 0308 Chip transistor 2SD1119 R TX 1 B Switches SW700 3412 1029 Switch SKHHAL 1 C SW701 3412 1029 Switch SKHHAL 1 C Transformer T950 3012 1470 Inverter trans NT 07 1 B Notes Q Quantity per unit R Rank 7 ...

Page 13: ...E3 TE2 TE1 VSS2 CK1 ECB STB SCB CNB CFB CDB SNB D6 D5 D4 D3 D2 D1 14 13 12 11 10 9 8 7 6 5 4 3 2 1 KDB KCB AVB UHF VLB TU MTB VDD1 HDB C S PD OSC2 OSC1 CK2 28 27 26 25 24 23 22 21 20 19 18 17 16 15 AD2 AD1 B G R RLL VDD2 RHH M7 M8 M9 M10 PS1 VSS1 43 44 45 46 47 48 49 50 51 52 53 54 55 56 29 30 31 32 33 34 35 36 37 38 39 40 41 42 M11 ...

Page 14: ...ifier Circuit Tuning Voltage Generator Circuit IF Detection Circuit Earphone Jack Speaker Display Controller Circuit Chroma Circuit TP5 Display Generator Voltage Circuit 5 9 TP6 8 1 2 4 34 2 41 8 V 6 1 7 3 V 3 95 V Power Switch Power Supply Circuit TP1 TP7 TP2 TP3 TP4 IF Pad 3 10 7 6 ...

Page 15: ... 14 Notes 1 All resistance values are indicated in ohms k 103 ohms M 106 ohms 2 All capacitance values are indicated in µF p 10 6 µF 3 All inductance values are indicated in µH BACK LIGHT ...

Page 16: ...8 4 IC300 pin 23 5 IC300 pin 12 6 IC300 pin 5 7 IC300 pin 4 8 IC300 pin 1 9 IC700 pin16 0 IC700 pin 14 63 5 µs 63 5 µs 63 5 µs 0 24 µs 63 5 µs 63 5 µs 63 5 µs 63 5 µs 130 ns 420 ns 2 0 V 0 8 V 0 1 V 0 8 V 1 8 V 3 0 V 3 0 V 0 8 V 3 0 V 3 0 V WAVEFORMS ...

Page 17: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926 ...