Casio KX-503B Service Manual & Parts List Download | Manualshive

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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

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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 3: ...4 LR6 D size batteries 6 Power supply Car adaptor CA K65 AC adaptor AD K64 65 Earphone jack 3 5 ø mini 7 Connection terminals External power jack 6 0 V DC IN External antenna jack 3 5 ø mini 8 Screen size 2 3 inches 9 No of picture element 39 600 110 360 dots 10 Dimensions 127 mm H 81 mm W 35 mm D 11 Weight 200 g without batteries AC adaptor AD K64 65 12 Options Car adaptor CA K65 Antenna matching...

Page 4: ...02 GSK 640F Converts the color signal into a digital signal Also generates the clock pulse for the display and controls the display 7 Tuning voltage generator IC500 MSC1169MS K Generates the tuning voltage with the tuning pulse output from 6 8 Display voltage generator Q800 Q803 Q805 Q806 2SD601A R x 4 2SB709A R 2SD1149 S Generates the display voltages V0 V4 with VEE1 and VCC7 outputs from the pow...

Page 5: ...2 C340 R310 R110 R108 C140 R115 R113 R704 C236 R816 R813 R820 C782 R745 R830 C750 D805 D803 Q101 Q110 D155 R738 D707 VR100 VR301 VR300 C330 VR700 R840 L101 R223 VR200 CN710 C305 C309 H300 C208 C210 C207 C202 C205 C606 C603 C806 C808 C700 C800 IC700 C112 C115 C105 C113 C100 C110 D150 SW100 T100 FU100 VR800 VR600 T200 T201 F220 F221 F210 F211 F203 F200 L103 L102 L202 TU200 JK200 JK600 CN700 JK100 D1...

Page 6: ... R G R733 C760 C756 D705 R730 C758 C761 R719 R718 KDB B L705 C751 C755 R700 PD R709 R710 R711 HP700 C765 VCC2 D152 C153 VCC2 0 C152 Q111 C145 C160 D703 C150 C130 VCC7 GND R106 R107 C137 C155 D110 D100 R105 TM100 C182 C185 R208 C243 R211 CP330 C233 CP200 R150 C242 C246 BT BV BU C240 VCC1 1 H L TU Q200 C238 R205 R202 R207 C550 C237 R203 R201 R204 L200 C239 C232 D500 R503 C530 R550 R500 R501 R502 R60...

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 8: ...4 Linear IC NJM2070M T1 1 C IC700 2011 3514 LSI MSM6625 02GSK 640F 1 C Jacks JK100 3501 8281 Jack HEC0811 010010 1 B JK200 3501 5439 Jack HSJ1456 01 210 1 C JK600 3501 5439 Jack HSJ1456 01 210 1 C Transistors Q101 2230 7011 Chip transistor 2SD601A R TX 1 B Q110 2230 7011 Chip transistor 2SD601A R TX 1 B Q111 2253 0308 Chip transistor 2SD1119 R TX 1 B Q200 2252 0707 Chip transistor 2SC4238 TX 1 C Q...

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 10: ...0450 1 1 X 11 2725 1218 LCD PSG123CO TO 1 C 12 6611 0930 Light diffuser sheet A K503 K440800 1 1 X 13 6611 0900 Reflector case K503 K140261 1 1 X 14 6611 2261 BL unit K340625 1 1 B 15 6611 0910 Switch knob A K503 K340575 1 1 X 16 6611 0960 Battery spring A K503 K440798 1 1 X 17 6611 0970 Battery spring B K503 K440799 1 1 X 18 6611 2256 Linear PCB ass y K240495 1 1 B 19 3851 1470 Rod antenna VR7010...

Page 11: ...RJ 6GEY0R00V C259 GR40W5R223K25PT R107 ERJ 6GEYJ333V R725 ERJ 6GEYF131V C261 GR40PH560J50PT R108 ERJ 6GEYJ274V R726 ERJ 6GEYF751V C262 GR40Y5V103Z50PT R110 ERJ 6GEYJ271V R727 ERJ 6GEYF102V C263 GR40PH560J50PT R113 ERJ 6GEYJ222V R730 ERJ 6GEYJ562V C264 GR40CH1R5C50PT R115 ERJ 6GEYJ220V R733 ERJ 6GEYJ104V C265 GR40Y5V103Z50PT R116 ERJ 6GEYK4R7V R738 ERJ 6GEYJ303V C281 GR40CH270J50PT R201 ERJ 6GEYJ82...

Page 12: ...3 AUDIO VIDEO 1 24 VCC SY IN 2 23 VCXO OUT ACCF 3 22 NC SY OUT 4 21 VCXO IN HDIN 5 20 COLOR Y CLAMP 6 19 TINT Y LPF 7 18 KILLER F Y OUT 8 17 APCF CONT 9 16 APCREF R 10 15 KILLER OUT G 11 14 PIX B 12 13 GND IC AND TRANSISTOR LEAD IDENTIFICATION IC LSI Vref 1 16 VCC U1 2 15 BS U2 3 14 BT VL1 4 13 IN VL2 5 12 OUT VH1 6 11 TU VH2 7 10 H L GND 8 9 U V IC500 MSC1169MS K 620 NC 1 8 NC IN 2 7 VCC IN 3 6 O...

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 ...

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