Casio EV-500B Скачать руководство пользователя | Manualshive

Страница: 7 / 29

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VCC2-1 Voltage Setting

Input

Input

Input

Output

Output

Connection Point

Signal

Connection

Point

Adjust

Result

Adjust to obtain a 4.50

±

0.02 V

reading on the voltmeter.

Voltmeter

VR100

TP1

TP1

16-169

Equipment Connection / Adjustment Procedure

Bottom View

Output

Voltmeter

EV-500

set

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Содержание EV-500B

Страница 1: ...R without price EV 500B KX 615 FEB 1995 INDEX ...

Страница 2: ... 3 CIRCUIT DESCRIPTION 4 ADJUSTMENT 5 TROUBLESHOOTING 10 PRINTED CIRCUIT BOARDS 11 WIRING DIAGRAM 13 EXPLODED VIEW 14 ELECTRICAL PARTS LIST 15 MECHANICAL PARTS LIST 21 IC AND TRANSISTOR LEAD IDENTIFICATION 22 SCHEMATIC DIAGRAMS 24 WAVEFORMS 26 ...

Страница 3: ... jack 3 5ø mini 7 Connection terminals External power jack 6 0 V DC IN External antennea jack 3 5ø mini Audio Video jack 3 5ø 8 Screen size 2 5 inches 9 No of Picture element 61 380 220 279 dots 10 Dimensions 75 W 26 7 D 120 8 H mm 3 W 1 D 4 3 4 H 11 Weight 191 g excepting batteries 6 7 oz excepting batteries 12 Standard accessories Test batteries R6 3 AC adaptor AD K65 64 13 Options Car adaptor C...

Страница 4: ...200 2SC4238 Amplifies the video IF signal output from tuner TU200 by 10 times 20 dB 3 Video det 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 IR3P90Y Gener...

Страница 5: ...L102 330u CP110 CP111 CP113 CP114 CP115 C110 25 V 10 C114 6 3 V 220 C116 6 3 V 220 C120 35 V 22 R150 33K Vcc2 2 Vcc7 29 5 V Vcc6 11 V Vcc2 1 4 5 V VEE1 7 5 V VEE2 18 V GND 3 9 V C112 16 V 47 C118 16 V 22 C150 OPEN CIRCUIT DESCRIPTION POWER SUPPLY Figure 1 Name Voltage Function VCC2 1 4 50 0 02 V Main voltage VCC7 25 9 31 3 V Tuning voltage VCC6 10 8 12 0 V Display voltage VEE1 8 5 7 5 V Display vo...

Страница 6: ...eep generator oscilloscope voltmeter Contrast adjustment TV signal generator pattern generator oscilloscope Tint adjustment TV signal generator pattern generator oscilloscope AGC adjustment TV signal generator pattern generator IF levelmeter Vcom adjustment Photo diode photo sensor amp bandpass filter oscilloscope Free Running frequency adjustment Frequency counter Adjustment and Test Point Locati...

Страница 7: ...put Output Output Connection Point Signal Connection Point Adjust Result Adjust to obtain a 4 50 0 02 V reading on the voltmeter Voltmeter VR100 TP1 TP1 16 169 Equipment Connection Adjustment Procedure Bottom View Output Voltmeter EV 500 set ...

Страница 8: ...on Point Signal Connection Point Adjust Result Desolder the IF pad to open Voltmeter Oscilloscope Sweep generator Pattern generator Signal generator Input TP2 Oscilloscope Vcc2 3 EV 500 set Adjust so that the step form wave becomes 2 2 0 1 Vp p Adjust to obtain the minimum DC level Low pass filter Oscilloscope Input TP2 EV 500 set Output TP3 Low pass filter Pattern generator Signal generator Oscil...

Страница 9: ...at 0 5 0 25 V EV 500 set Oscilloscope Output TP8 Signal generator Pattern generator EV 500 set IF levelmeter Input TP7 Output TP2 Short the IF pad Pattern generator TV signal generator TP7 VR200 IF levelmeter TP2 Color bar 65 5 dBµ Adjust to obtain a 84 2 dBµ reading on the IF levelmeter Vcom Adjustment AGC Adjustment Pattern generator Signal generator TP2 VR301 Oscilloscope TP5 Pulse B Pulse A Co...

Страница 10: ...Oscilloscope Photo sensor amp Adjust to obtain the minimum ripple VR303 Photo sensor amp Bandpass filter Oscilloscope Free Running Frequency Adjustment Frequency counter VR740 TP6 Output TP6 Frequency counter EV 500 set Adjust to obtain a reading of 15 73 0 1 kHz Adjust Result Input Input Input Output Output Connection Point Signal Connection Point ...

Страница 11: ...200 Replace Defective Q200 Replace Defective IC200 Replace Defective IC300 Replace Defective IC270 Replace Defective IC700 Replace Defective F201 Replace Defective IC200 Replace Defective IC600 Replace Defective phone jack JK600 Replace Defective tuner TU200 Replace Defective IC270 Replace Defective power switch SW100 Replace No reception of VHF or UHF No picture and no sound ...

Страница 12: ...01 T200 L101 VR100 SW100 R212 R209 R222 R224 R230 C257 R227 R223 C245 R236 C259 R105 C145 C746 R780 R715 R758 R759 Q750 Q760 R716 R710 Q710 R706 R705 R707 R750 R761 R751 C781 C752 C725 R736 R737 C353 C352 R325 C376 C380 C381 C356 C374 C375 L301 L310 FU100 D180 C306 C305 C311 C600 C603 C312 C215 HP900 IC700 JK250 JK600 PRINTED CIRCUIT BOARDS TOP VIEWS Linear BL 615BL CN702 L950 R720 Q 9 5 0 R950 Q9...

Страница 13: ...70 IC270 C271 R275 Q270 Q272 C105 R175 R113 C137 R108 C140 R115 R110 Q110 Q101 R107 Q111 R170 D158 C146 R160 D150 D152 D154 D156 D100 Q200 C150 C751 R150 R241 C262 C263 C264 C261 R239 R246 R225 R226 C250 L202 R247 C791 R228 R771 C790 C796 C795 C792 R770 R793 R787 C631 Q600 R606 R607 R600 C630 R615 C788 R704 R757 C786 L756 R756 C787 R749 C750 C773 C774 C770 L740 C772 IC701 R740 R741 R739 C771 R760 ...

Страница 14: ...0 C120 C220 C112 T100 C100 C114 C116 T201 T200 L101 VR100 SW100 R212 R209 R222 R224 R230 C257 R227 R223 C245 R236 C259 R105 C145 C746 R780 R715 R758 R759 Q750 Q760 R716 R710 Q710 R706 R705 R707 R750 R761 R751 C781 C752 C725 R736 R737 C353 C352 R325 C376 C380 C381 C356 C374 C375 L301 L310 FU100 D180 C306 C305 C311 C600 C603 C312 C215 HP900 IC700 JK250 JK600 615BL CN702 L950 R720 Q 9 5 0 R950 Q951 C...

Страница 15: ... 14 EXPLODED VIEW 2 3 6 5 6 15 16 17 18 6 7 8 10 11 3 12 14 13 3 9 4 1 2 1 2 4 2 2 2 3 2 6 2 5 2 7 5 2 5 1 8 1 8 3 8 2 17 1 ...

Страница 16: ... 1 20 C C236 2892 0059 Chip capacitor GR40Y5V103Z50PT 1 20 C C237 2892 0059 Chip capacitor GR40Y5V103Z50PT 1 20 C C240 2892 0059 Chip capacitor GR40Y5V103Z50PT 1 20 C C243 2892 0059 Chip capacitor GR40Y5V103Z50PT 1 20 C C245 2892 0083 Chip capacitor GR40W5R103K50PT 1 20 C C246 2892 0059 Chip capacitor GR40Y5V103Z50PT 1 20 C C249 2892 0844 Chip capacitor GR42 6Y5V474Z16PT 1 20 C C250 2897 0952 Chip...

Страница 17: ...r GR40Y5V103Z50PT 1 20 C C770 2845 4802 Chip capacitor EMK316F225Z T 1 20 C C771 2892 0237 Chip capacitor GR40W5R222K50PT 1 20 C C773 2845 4802 Chip capacitor EMK316F225Z T 1 20 C C774 2892 0040 Chip capacitor GR40Y5V104Z25PT 1 20 C C781 2897 0112 Chip capacitor GR40W5R562K50PT 1 20 C C786 2845 5670 Chip capacitor UMK212UJ120J T 1 20 C C787 2845 5670 Chip capacitor UMK212UJ120J T 1 20 C C788 2892 ...

Страница 18: ...0 C Q272 2259 1834 Digital transistor DTA143TUWT106 1 20 C Q600 2259 1645 Digital transistor DTA144EUWT106 1 20 C Q710 2253 0133 Chip transistor 2SD1819A R TX 1 20 C Q750 2251 0189 Chip transistor 2SB1218A R TX 1 20 C Q760 2251 0189 Chip transistor 2SB1218A R TX 1 20 C Resistors R105 2791 0742 Chip resistor ERJ 6GEYJ332V 1 20 C R107 2791 0607 Chip resistor ERJ 6GEYJ333V 1 20 C R108 2791 1919 Chip ...

Страница 19: ...6GEYJ271V 1 20 C R312 2791 0815 Chip resistor ERJ 6GEYJ102V 1 20 C R313 2797 2114 Chip resistor ERJ 6GEYF333V 1 20 C R314 2797 1533 Chip resistor ERJ 6GEYF473V 1 20 C R315 2797 1218 Chip resistor ERJ 6GEYF563V 1 20 C R316 2797 1925 Chip resistor ERJ 6GEYK335V 1 20 C R320 2791 0769 Chip resistor ERJ 6GEYJ563V 1 20 C R321 2791 0607 Chip resistor ERJ 6GEYJ333V 1 20 C R322 2791 0599 Chip resistor ERJ ...

Страница 20: ...93V 1 20 C R759 2797 1533 Chip resistor ERJ 6GEYF473V 1 20 C R760 2791 2052 Chip resistor ERJ 6GEYJ224V 1 20 C R761 2791 2052 Chip resistor ERJ 6GEYJ224V 1 20 C R770 2797 0483 Chip resistor ERJ 6GEYJ623V 1 20 C R771 2791 0696 Chip resistor ERJ 6GEYJ470V 1 20 C R780 2792 0110 Chip jumper ERJ 6GEY0R00V 1 20 C R787 2792 0110 Chip jumper ERJ 6GEY0R00V 1 20 C R793 2791 0769 Chip resistor ERJ 6GEYJ563V ...

Страница 21: ...287 0411 1 20 C CN950 3500 7122 Pin ass y 53253 0310 1 20 C Transistors Q950 2253 0287 Chip transistor 2SD965 R 1 10 C Q951 2253 0287 Chip transistor 2SD965 R 1 10 C Resistors N R720 2609 0371 Carbon film resistor ERD S2TJ472A 1 20 C R950 2609 0266 Carbon film resistor ERD S2TJ821A 1 20 C Switches SW700 3412 1029 Switch SKHHAL 1 20 C SW701 3412 1029 Switch SKHHAL 1 20 C Transformer N T950 3012 123...

Страница 22: ...ase C K615 K340098 1 1 20 X 5 2 6607 0690 Insulation plate D K508 K410441 3 1 20 X 6 5860 0420 Screw BT3 1 7X4 Ni 6 20 X N 7 6609 9220 Switch knob A K615 K340117 1 1 20 C N 8 6609 9364 Linear PCB ass y K340220 1 1 1 B N 8 1 6609 9090 Flat cable A K615 K340176 1 1 10 C N 8 2 6610 0520 Cushion A K615 K440355 1 1 20 X N 8 3 6610 2350 Cushion B K615 K440411 1 1 20 X 9 3851 1267 Rod antenna YH810721 1 ...

Страница 23: ... 6 OUT GND 4 5 GND IC600 NJM2070M IC701 S 81230SG GND 1 5 NC VIN 2 OUT 3 4 NC IC300 IR3P90Y 1 8 2 7 3 6 4 5 NC 37 24 KILLER F RGB AMP 38 23 PICTURE FRP 39 22 TIME CONST RGB INV 40 21 SYNC IN B SUB BRI 41 20 SYNC OUT R SUB BRI 42 19 SYNC SEP BRIGHT 43 18 H F OUT GANMA2 44 17 APL GANMA1 45 16 CLAMP PEEK LIMITTER 46 15 TRAP B SUB CONT 47 14 AGC F R SUB CONT 48 13 AGC SW 1 36 B OUT CONT 2 35 DCDET EXT...

Страница 24: ...7 38 39 40 41 42 IC700 MSM6770GS TRANSISTORS M11 M3 M4 M7 TSI6 TSI5 TSI4 TSI3 GRES GPCK GSRT SRT OE HCNT CLR VLB TU PWM UHF VBAR UBAR SW VMUTEB FRP HDB CSYNC AFTO VDD3 TUO VSS3 AMUTEB AFTI KDB KCB VDB M5 M6 VDD1 MBUF VSS2 SYF AVB M1 M2 VL1 VH1 V1 VREF OSC ADJ VDD1 PD VCO VSS1 VDD2 TSI1 TSI2 MCLK 2SB709A 2SC4238 2SD601A 2SD1149 S C B E 2SD1119 C B E C 2SB1218A 2SC4238 2SD1819A DTC144EUW 2SD1119 43 ...

Страница 25: ... 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 TP7 TP2 1 IF Pad 3 TP3 TP4 4 9 8 TP1 12 13 14 15 16 10 11 TP6 6 2 TP5 5 17 TP8 7 ...

Страница 26: ... 25 BL 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 ...

Страница 27: ...in 18 63 5 µs 4 5 V 5 IC300 pins 32 34 36 63 5 µs 4 4 V 6 IC300 pin 21 125 µs 4 4 V 7 IC300 pin 39 12 µs 1 5 V 8 Q111 base 12 µs 10 V 9 Q111 collector 63 5 µs 2 8 V 0 IC700 pin 1 125 µs 2 8 V A IC700 pin 2 63 5 µs 2 8 V B IC700 pin 3 63 5 µs 2 8 V C IC700 pin 4 63 5 µs 4 5 V E IC700 pin 6 3 µs 4 5 V D IC700 pin 5 WAVEFORMS ...

Страница 28: ... 27 125 µs 5 V G IC300 pin 30 4 5 V 63 5 µs F IC700 pin 7 ...

Страница 29: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926 ...

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