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Casio EV-2500B, Service Manual & Parts List

The Casio EV-2500B Service Manual & Parts List is available for free download. This comprehensive manual provides detailed instructions for servicing and repairing your Casio EV-2500B device. Download it now from manualshive.com and have all the information you need to keep your product in top condition.

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Linear PCB No. 5

 FOB Japan

N

Item

Code No.

Parts Name

Specification

Q

M    N.R.Yen

R

  Unit Price

R224

2795 3829

Chip resistor

ERJ-6GEYJ302V

1 20

3

C

R225

2791 2109

Chip resistor

ERJ-6GEYJ393V

1 20

3

C

R227

2791 0313

Chip resistor

ERJ-6GEYJ103V

1 20

5

C

R229

7102 2313

Chip resistor

ERJ-6GEYJ202V

1 20

2

C

R230

2797 2541

Chip resistor

ERJ-6GEYJ621V

1 20

2

C

R236

2791 2044

Chip resistor

ERJ-6GEYJ124V

1 20

3

C

R238

2791 0734

Chip resistor

ERJ-6GEYJ272V

1 20

3

C

R240

2791 0750

Chip resistor

ERJ-6GEYJ223V

1 20

6

C

R241

2791 2044

Chip resistor

ERJ-6GEYJ124V

1 20

3

C

R242

2791 0777

Chip resistor

ERJ-6GEYJ104V

1 20

5

C

R243

2797 0014

Chip resistor

ERJ-6GEYJ821V

1 20

3

C

R246

2791 1420

Chip resistor

ERJ-6GEYJ331V

1 20

6

C

R247

2791 0720

Chip resistor

ERJ-6GEYJ222V

1 20

3

C

R270

2791 0607

Chip resistor

ERJ-6GEYJ333V

1 20

4

C

R271

2797 1533

Chip resistor

ERJ-6GEYF473V

1 20

5

C

R272

2797 1526

Chip resistor

ERJ-6GEYF472V

1 20

5

C

R275

2791 0750

Chip resistor

ERJ-6GEYJ223V

1 20

6

C

R276

2791 1390

Chip resistor

ERJ-6GEYJ473V

1 20

5

C

R300

2791 0769

Chip resistor

ERJ-6GEYJ563V

1 20

3

C

R301

2791 1390

Chip resistor

ERJ-6GEYJ473V

1 20

5

C

R302

2797 0035

Chip resistor

ERJ-6GEYJ105V

1 20

4

C

R303

2797 1218

Chip resistor

ERJ-6GEYF563V

1 20

3

C

R304

2797 1533

Chip resistor

ERJ-6GEYF473V

1 20

5

C

R305

2797 2156

Chip resistor

ERJ-6GEYF302V

1 20

5

C

R310

2797 0035

Chip resistor

ERJ-6GEYJ105V

1 20

4

C

R311

2791 1131

Chip resistor

ERJ-6GEYJ271V

1 20

3

C

R313

2797 2114

Chip resistor

ERJ-6GEYF333V

1 20

4

C

R314

2797 1533

Chip resistor

ERJ-6GEYF473V

1 20

5

C

R315

2797 1218

Chip resistor

ERJ-6GEYF563V

1 20

3

C

R316

2797 1925

Chip resistor

ERJ-6GEYK335V

1 20

3

C

R320

2791 0769

Chip resistor

ERJ-6GEYJ563V

1 20

3

C

R321

2791 0607

Chip resistor

ERJ-6GEYJ333V

1 20

4

C

R322

2791 0599

Chip resistor

ERJ-6GEYJ822V

1 20

5

C

R323

2791 2079

Chip resistor

ERJ-6GEYJ562V

1 20

3

C

R324

2797 1211

Chip resistor

ERJ-6GEYF223V

1 20

6

C

R325

2797 1204

Chip resistor

ERJ-6GEYF203V

1 20

6

C

R330

2797 1533

Chip resistor

ERJ-6GEYF473V

1 20

5

C

R331

2797 1442

Chip resistor

ERJ-6GEYF683V

1 20

5

C

R332

2797 3612

Chip resistor

ERJ-6GEYF823V

1 20

3

C

R333

2797 1218

Chip resistor

ERJ-6GEYF563V

1 20

3

C

R334

2797 1456

Chip resistor

ERJ-6GEYF623V

1 20

5

C

R335

2797 1533

Chip resistor

ERJ-6GEYF473V

1 20

5

C

R350

2791 0313

Chip resistor

ERJ-6GEYJ103V

1 20

5

C

R351

2791 2109

Chip resistor

ERJ-6GEYJ393V

1 20

3

C

R352

2791 0750

Chip resistor

ERJ-6GEYJ223V

1 20

6

C

R353

2791 2109

Chip resistor

ERJ-6GEYJ393V

1 20

3

C

R390

2791 2079

Chip resistor

ERJ-6GEYJ562V

1 20

3

C

R391

2791 0313

Chip resistor

ERJ-6GEYJ103V

1 20

5

C

R392

2791 0831

Chip resistor

ERJ-6GEYJ681V

1 20

4

C

R500

2791 0815

Chip resistor

ERJ-6GEYJ102V

1 20

5

C

R501

2791 0815

Chip resistor

ERJ-6GEYJ102V

1 20

5

C

R512

2791 0572

Chip resistor

ERJ-6GEYJ101V

1 20

5

C

R513

2791 2052

Chip resistor

ERJ-6GEYJ224V

1 20

3

C

R514

2791 0750

Chip resistor

ERJ-6GEYJ223V

1 20

6

C

   Notes:     N Ð  New parts

M Ð  Minimum order/supply quantity

R Ð  Rank

Ñ 20 Ñ

Summary of Contents for EV-2500B

Page 1: ...R with price EV 2500B KX 618 MAY 1995 INDEX...

Page 2: ...DESCRIPTION 4 DISASSEMBLY 5 DIAL STRINGING DIAGRAM 6 ADJUSTMENT 7 TROUBLESHOOTING 12 PRINTED CIRCUIT BOARDS 13 EXPLODED VIEW 15 ELECTRICAL PARTS LIST 16 MECHANICAL PARTS LIST 23 IC AND TRANSISTOR LEAD...

Page 3: ...batteries 6 Power supply Car adaptor CA K65 AC adaptor AD K65 64 Earphone jack 3 5 mini 7 Connection terminals External power jack 6 0 V DC IN External antennea jack 3 5 mini Audio Video jack 3 5 8 Sc...

Page 4: ...600 NJM2070M Sound amplification 5 Chroma circuit IC300 IR3P90Y Generates the tricolor red green and blue from the video signal 6 Display control Auto tuning control IC700 MSM6770GS Controls the displ...

Page 5: ...D1819A R Q111 2SD1119 R C137 R107 D100 MA141K 33K B6800p C140 CH470p R115 100 6 3 V 220 C100 D110 MA3051 L 2 2 BH102K TM100 Q101 2SD1819A R 2 2K R113 R105 3 3K VR100 2K C105 C145 B1500p CP106 1 2 9 6...

Page 6: ...5 DISASSEMBLY 1 Remove the battery case 2 Remove the three screws and the lower case 3 Remove the three knobs 4 Remove the screw and resolder the two wires for the speaker 5 Remove the PCB ass y...

Page 7: ...6 DIAL STRINGING DIAGRAM 9 2 1 0 3 8 4 A 5 7 6 Turn the pulley counterclockwise Wrap around 4 times 0 8 mm Sliding pointer...

Page 8: ...ustment TV signal generator pattern generator oscilloscope Tint adjustment TV signal generator pattern generator oscilloscope AGC adjustment TV signal generator pattern generator IF levelmeter Vcom ad...

Page 9: ...nection 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 Output Voltmeter EV 2500 set TP7 CP204 TP2...

Page 10: ...tput Connection Point Signal Connection Point Adjust Result Desolder the IF pad to open Voltmeter Oscilloscope Sweep generator Pattern generator Signal generator Input TP2 CP312 KILLER Oscilloscope Vc...

Page 11: ...rator EV 2500 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 dB Adjust to obtain a 84 2 dB reading on the IF l...

Page 12: ...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 Adjust to...

Page 13: ...eplace 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...

Page 14: ...C631 R601 R611 R602 C635 R606 R607 C512 C511 Q515 Q951 R951 Q950 R950 C930 R160 D158 C146 D156 D154 Q111 C145 R110 R108 Q110 R115 C140 R107 C137 Q101 C105 D110 VR100 D100 R100 TM100 R105 C181 R645 R3...

Page 15: ...JK200 CP209 C530 CN500 CP200 CP204 R209 CP207 CP208 CP210 CP206 CP203 CP201 R201 C237 R202 C236 C233 R207 C232 C231 C200 C234 C230 Q201 R276 R270 R759 Q750 C794 Q270 Q272 C270 R271 R272 IC270 C271 R72...

Page 16: ...7 7 6 10 11 12 47 8 9 6 23 22 50 7 10 24 25 6 25 5 19 48 25 48 25 2 25 1 25 3 25 4 33 2 33 33 1 34 35 48 28 18 21 51 49 27 33 3 26 2 26 1 26 51 26 3 26 4 26 7 26 6 26 5 28 1 28 2 28 3 28 4 31 34 32 28...

Page 17: ...103Z50PT 1 20 9 C C234 2892 0040 Chip capacitor GR40Y5V104Z25PT 1 20 14 C C236 2892 0059 Chip capacitor GR40Y5V103Z50PT 1 20 9 C C237 2892 0059 Chip capacitor GR40Y5V103Z50PT 1 20 9 C C239 2892 0270 C...

Page 18: ...apacitor GR40Y5V103Z50PT 1 20 9 C C384 2892 0059 Chip capacitor GR40Y5V103Z50PT 1 20 9 C N C390 2806 9448 Electrolytic capacitor V 6 3RC2BP 22 1 20 20 C C510 2806 9469 Electrolytic capacitor V 6 3RC2...

Page 19: ...ilters F200 3025 0182 SAW filter SAF45MA60Z 1 1 140 C F201 3025 0714 SIF filter SFSL4 5MDB12 1 10 33 C F202 3851 1057 Ceramic discriminator CDSL4 5MC30C12 1 10 42 C F203 3850 1259 SIF trap TPS4 5MB 1...

Page 20: ...DTA114TUWT106 1 20 10 C Q710 2253 0133 Chip transistor 2SD1819A R TX 1 20 12 C Q750 2251 0189 Chip transistor 2SB1218A R TX 1 20 10 C Q760 2251 0189 Chip transistor 2SB1218A R TX 1 20 10 C Q950 2253...

Page 21: ...5V 1 20 4 C R311 2791 1131 Chip resistor ERJ 6GEYJ271V 1 20 3 C R313 2797 2114 Chip resistor ERJ 6GEYF333V 1 20 4 C R314 2797 1533 Chip resistor ERJ 6GEYF473V 1 20 5 C R315 2797 1218 Chip resistor ERJ...

Page 22: ...472V 1 20 3 C R732 2791 0815 Chip resistor ERJ 6GEYJ102V 1 20 5 C R733 2791 0815 Chip resistor ERJ 6GEYJ102V 1 20 5 C R734 2791 0305 Chip resistor ERJ 6GEYJ472V 1 20 3 C R736 2791 0305 Chip resistor E...

Page 23: ...6 C Tuner TU200 1013 5511 Tuner TEPU5 02 1 1 760 C Variable resistors VR100 2775 1799 Chip semi fixed resistor POZ3AN 1 202N T00 1 20 17 C VR200 2775 1813 Chip semi fixed resistor POZ3AN 1 203N T00 1...

Page 24: ...09 8900 Reflector K618 K340092 1 1 10 38 X N 23 6609 8910 Reflection tape A K618 K440195 1 1 20 12 X N 24 3851 1596 Fluorescent lamp HMES48B25W64C X 1 1 280 C N 25 6610 0948 Display ass y K340182 1 1...

Page 25: ...A K618 K140042 2 1 1 120 C 39 6606 4700 Blind B K603 K410877 1 1 20 7 X N 40 6609 8780 Battery spring D K618 K440143 1 1 5 54 X N 41 6609 8770 Battery spring C K618 K440142 1 1 5 54 X N 42 3851 1589...

Page 26: ...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...

Page 27: ...T 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...

Page 28: ...resistance values are indicated in ohms k 103 ohms M 106 ohms 2 All capacitance values are indicated in F p 10 6 F 3 All inductance values are indicated in H 3 TP7 TP2 1 IF Pad TP3 TP4 4 2 9 8 TP1 12...

Page 29: ...28 RADIO Notes 1 All resistance values are indicated in ohms k 103 ohms M 106 ohms 2 All capacitance values are indicated in F p 10 6 F 3 All inductance values are indicated in H To TV...

Page 30: ...0 V 4 IC200 pin 18 63 5 s 4 0 V 5 IC300 pins 32 34 36 63 5 s 4 4 V 6 IC300 pin 21 125 s 4 4 V 7 IC300 pin 39 10 s 2 0 V 8 Q111 base 10 s 10 V 9 Q111 collector 63 5 s 2 8 V 0 IC700 pin 1 125 s 2 8 V A...

Page 31: ...29 125 s 5 V G IC300 pin 30 4 5 V 63 5 s F IC700 pin 7...

Page 32: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926...

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