Casio KX-518B Service Manual & Parts List Download

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SCHEMATIC DIAGRAMS

LINEAR

Antenna

External

Tunner

Antenna
Jack

Audio Amplifier Circuit

Tuning Voltage Generator Circuit

IF Detection Circuit

Earphone
Jack

Speaker

Display Controller Circuit

Chroma Circuit

Display Generator Voltage Circuit

Power Switch

Power Supply Circuit

40 V

4.0 V

–5 V

Summary of Contents for KX-518B

Page 1: ...R TV 880B KX 518B without price For NTSC NOV 1998 TV 880B INDEX ...

Page 2: ...CONTENTS SPECIFICATIONS 1 BLOCK DIAGRAM 2 ADJUSTMENTS 3 PRINTED CIRCUIT BOARDS 5 EXPLODED VIEW 7 PARTS LIST 8 SCHEMATIC DIAGRAMS 11 ...

Page 3: ...escent material 7 Antenna Rod antenna VHF UHF 8 Speaker 1 1 8ø inches 28 mm 1 9 Connection Terminals Earphone jack 3 5ø mini External power source jack DC IN 6V Audio Video input jack 3 5ø mini 10 Power Supply 3 way power supply system Batteries 4 AA size dry batteries AC AC adaptor AD K64 AD K65 option Car battery Car adaptor CA K65 option 11 Power Consumption Approx 3 1 W Approx 3 4 W Model B on...

Page 4: ...VCC2 TU VCC2 8 AFI UV HL A MUTF MODULE VIDEO2 AVB VCC7 BT VCC2 4 7 V VCC1 1 VEE1 VCC7 CHROMA M52042FP TUNING BT GEN BA 10358 VOLTAGE SUPLLY FOR LCD DRIVER A D CONVERTER CONTROLLER OM6006 INVERTER IRANS BL PCB LAMP VCC1 1 GND CN710 CN950 LCD DRIVER 5151 BT BV BS U V AUDIO1 VIDEO1 A MUTE AFT AUDIO1 VIDEO1 RGB HD C SYNC CN700 LCD LCM L PCB LCD DRIVER 051 LCD DRIVER 051 VCC2 0 GND V1 V3 V0 V4 VO CK1 C...

Page 5: ...s US IF Input electric field terminated with 75 ohm resistance Power supply Vcc1 1 5 0 0 05 V Adjustment Monitor video detection signal CP238 via a low pass filter of 100 kHz cutoff frequency and adjust LLD coil T200 so that its DC level is minimum waveform s amplitude is maximum Reference C 1500 pF R 1 Kohm Confirmation There should be no waveform distortion erroneous synchronization etc under se...

Page 6: ...djust contrast pot VR300 so that the voltage between pedestal level and white level of B signal CP740 is 0 80 0 05 Vp p Caution 1 Make sure that there is no distortion on the waveforms 2 Connect COLOR terminal of Chroma IC M52042FP to GND 3 Monitor the B output signal with an oscilloscope via a low pass filter C 2700 pF R 100 ohm 5 TINT pot adjustment Condition 1 Signal Broadcasting system M M Col...

Page 7: ... 5 PRINTED CIRCUIT BOARDS TOP VIEWS Linear Back Light ...

Page 8: ... 6 BOTTOM VIEWS Linear Back Light ...

Page 9: ... 7 EXPLODED VIEW 14 15 10 8 12 9 16 18 6 17 19 3 27 1 21 20 22 23 29 25 24 2 5 26 13 4 28 13 11 7 ...

Page 10: ...ear IC M51348FP T1 1 B IC300 2114 3332 Linear IC M52042FP T1 1 B IC500 2116 0119 OP amplifier BA10358F T1 1 B IC600 2114 2464 Linear IC NJM2070M T1 1 B IC700 2012 6038 LSI ML9661GA 6006 1 B IC710 2114 5866 IC S 81230SGUP DQB T1 1 B Jacks JK100 3501 8281 Power jack HEC0811 010010 1 C JK250 3501 3773 Headphone jack HSJ6063 01 410 1 C JK600 3501 5439 Jack HSJ1456 01 210 1 C Transistors Q101 2253 0133...

Page 11: ...uner TEAA1 001B 1 C Variable resistors VR100 2775 2751 Chip semi fixed resistor EVN5ESX50B23 1 C VR200 2775 2765 Chip semi fixed resistor EVN5ESX50B54 1 C VR300 2775 2758 Chip semi fixed resistor EVN5ESX50B14 1 C VR301 2775 2765 Chip semi fixed resistor EVN5ESX50B54 1 C VR600 2765 0616 Volume RK09H11T 10KB 1 C VR700 2775 2786 Chip semi fixed resistor EVN5ESX50B53 1 C VR800 2765 0623 Volume RK09H11...

Page 12: ... X 13 6020 7666 Battery spring B 2 G513 P409A 1 2 X 14 6613 7270 Tuning button A K518 K241046 1 1 X 15 6613 7280 Display plate BIM K518 K241045 1 1 C 16 6613 7017 Linear PCB ass y K241083 1 1 B 17 6613 7210 Battery spring A K518 K441546 1 1 X 18 6613 7220 Battery spring B K518 K441547 1 1 X 19 6613 7230 antenna terminal A K518 K341343 1 1 X 20 6613 7290 Reflector case A K518 K140528 1 1 X 21 6613 ...

Page 13: ...unner Tunner Antenna Jack Audio Amplifier Circuit Tuning Voltage Generator Circuit IF Detection Circuit Earphone Jack Speaker Display Controller Circuit Chroma Circuit Display Generator Voltage Circuit Power Switch Power Supply Circuit 40 V 4 0 V 5 V ...

Page 14: ... 12 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 15: ...CASIO TECHNO CO LTD Overseas Service Division Nishi Shinjuku Kimuraya Bldg 1F 5 25 Nishi Shinjuku 7 Chome Shinjuku ku Tokyo 160 0023 Japan ...

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