Casio TV-880C Скачать руководство пользователя | Manualshive

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SCHEMATIC DIAGRAMS

LINEAR (TV-880C/I/N)

40 V

Tuning Voltage Generator Circuit

Power Switch

Tunner

Tunner

Antenna
Jack

Antenna

External

Power Supply Circuit

4.0 V

–5 V

Audio Amplifier Circuit

IF Detection Circuit

Earphone
Jack

Speaker

Display Controller Circuit

Chroma Circuit

Display Generator Voltage Circuit

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Содержание TV-880C

Страница 1: ...R TV 880C PAL B G H TV 880I PAL B G TV 880N PAL B G H TV 880D PAL I without price KX 518 TV 880 FEB 1999 INDEX ...

Страница 2: ...CONTENTS SPECIFICATIONS 1 BLOCK DIAGRAM 2 ADJUSTMENTS 3 TV 880C I N 4 TV 880D 7 PRINTED CIRCUIT BOARDS 10 EXPLODED VIEW 12 PARTS LIST 13 SCHEMATIC DIAGRAMS 16 ...

Страница 3: ...ck DC IN 6V Audio Video input jack 3 5ø mini 9 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 10 Power Consumption Approx 3 1 W 11 Ambient Temperature Range 32 F 0 C 104 F 40 C 12 Dimensions 3 1 4 W 1 7 16 D 5 1 16 H inches 83 W 36 D 128 H mm 13 Weight Approx 6 7 oz 190 g excluding batteries SPECIFIC...

Страница 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...

Страница 5: ...stment T200 LLD Coil adjustment ADJUSTMENT Top View Bottom View 1 VCC2 adjustment VCC7 VEE1 voltage check 2 LLD coil adjustment 3 Free running frequency adjustment 4 Contrast adjustment 5 TINT pot adjustment Preparations 1 Connect AVB CP725 to GND 2 Set SW100 on UHF mode Adjustment And Test Point Locations ...

Страница 6: ...casting system B G H Color system PAL color bar 2 Signal level Input electric field 40 3dBµ IF AGC full gain P S 10 dB 3 Other conditions CCIR 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 am...

Страница 7: ... wire between SYF terminal and VCC2 7 Applying IF signal make sure that synchronization is normal on the display 2 Use input signal pattern conforming CCIR standard Block diagram 4 Contrast adjustment Conditions 1 Signal Broadcasting system B G H Color system PAL color bar 2 Signal level Input electric field 70 dBµ terminated with 75 ohm resistance P S 10 dB 3 Other conditions CCIR IF input input ...

Страница 8: ...dB 3 Other conditions CCIR IF input input electric field should be terminated with 75 ohm resistance Apply voltage of Vcc1 1 5 0 0 05 V Adjustment Observing output signal B with an oscilloscope adjust TINT pot VR301 so that the wave from H and H will be same Caution Do not connect COLOR terminal to GND Monitor B output signal with an oscilloscope via a low pass filter C 2700 pF R 100 ohm Block dia...

Страница 9: ...dcasting system I Color system PAL color bar 2 Signal level Input electric field 40 3dBµ IF AGC full gain P S 7 dB 3 Other conditions UK 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 amplitud...

Страница 10: ...the wire between SYF terminal and VCC2 7 Applying IF signal make sure that synchronization is normal on the display 2 Use input signal pattern conforming UK standard Block diagram 4 Contrast adjustment Conditions 1 Signal Broadcasting system I Color system PAL color bar 2 Signal level Input electric field 70 dBµ terminated with 75 ohm resistance P S 7 dB 3 Other conditions UK IF input input electr...

Страница 11: ...B 3 Other conditions UK IF input input electric field should be terminated with 75 ohm resistance Apply voltage of Vcc1 1 5 0 0 05 V Adjustment Observing output signal B with an oscilloscope adjust TINT pot VR301 so that the wave from H and H will be same Caution Do not connect COLOR terminal to GND Monitor B output signal with an oscilloscope via a low pass filter C 2700 pF R 100 ohm Block diagra...

Страница 12: ... 10 PRINTED CIRCUIT BOARDS TOP VIEWS Linear Back Light ...

Страница 13: ... 11 BOTTOM VIEWS Linear Back Light ...

Страница 14: ... 12 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 ...

Страница 15: ...IC M51348FP T1 1 1 1 1 AR B IC300 21143311 Linear IC M52045FP T1 1 1 1 1 AW B IC500 21160119 OP amplifier BA10358F T1 1 1 1 1 AC B IC600 21142464 Linear IC NJM2070M T1 1 1 1 1 AF B IC700 20126038 LSI ML9661GA 6006 1 1 1 1 BB B N IC710 21145866 IC S 81230SGUP DQB T1 1 1 1 1 AC B Jacks JK100 35018281 Power jack HEC0811 010010 1 1 1 1 AD C JK250 35013773 Headphone jack HSJ6063 01 410 1 1 1 1 AH C JK6...

Страница 16: ...C BL PCB Connector CN950 35021550 Connector 9110S 04 1 1 1 1 AA X Coil L900 30130756 Choke coil RCH 875 101K 1 1 1 1 AD X Transistors Q900 22530308 Chip transistor 2SD1119 R TX 1 1 1 1 AC C Q901 22530308 Chip transistor 2SD1119 R TX 1 1 1 1 AC C Switchs SW700 34121029 Switch SKHHAL 1 1 1 1 AA C SW701 34121029 Switch SKHHAL 1 1 1 1 AA C Transformer T900 30121588 Inverter trans C 8123 1 1 1 1 AL B M...

Страница 17: ...ss y K241129 1 0 0 0 1 DM B N 17 66137210 Battery spring A K518 K441546 1 1 1 1 1 AA X N 18 66137220 Battery spring B K518 K441547 1 1 1 1 1 AA X N 19 66137230 antenna terminal A K518 K341343 1 1 1 1 1 AA X N 20 66137290 Reflector case A K518 K140528 1 1 1 1 1 AJ X N 21 66137018 BL unit K341437 1 1 1 1 1 EH B 22 38512093 Fluorescent lamp 3064BB CA48 1 1 1 1 AV A 23 66129730 Light diffuser sheet A ...

Страница 18: ...Voltage Generator Circuit Power Switch Tunner Tunner Antenna Jack Antenna External Power Supply Circuit 4 0 V 5 V Audio Amplifier Circuit IF Detection Circuit Earphone Jack Speaker Display Controller Circuit Chroma Circuit Display Generator Voltage Circuit ...

Страница 19: ...rator Circuit Power Switch Tunner Tunner Antenna Jack Antenna External Power Supply Circuit 4 0 V 5 V Audio Amplifier Circuit IF Detection Circuit Earphone Jack Speaker Display Controller Circuit Chroma Circuit Display Generator Voltage Circuit ...

Страница 20: ... 18 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 ...

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 ...

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