Samsung CKA4217L Service Manual Download Page 32 | Manualshive

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6 Troubleshooting

6-4

CKA42*7L/5227L

6-5 No Specific Color Appears

6-6 Degauss Operation Failure

Check the SW201 ~ SW210.

Replace Q601

Replace IC202.

Replace RL601

When you push the manual

degauss button, does

5 V appear at Pin 14 of IC202?

When pushing the manual

degauss button, does the Q601

operate well?

Yes

Yes

No

When you push the manual

degauss button, is there a voltage

change at Pins 31, 32 of IC202?

(No change at Pins 31, 32)

No

Yes

No

The raster color is

light red or cyan

The raster color is light green

or magenta

Check the video circuits

(IC101, IC102 pin #3, and

related components with G video)

Check the video circuits

(IC101, IC102 pin #5, and

related components with B video)

Check the video circuits

(IC101, IC102 pin #1, and

related components with R video)

The raster color is

light blue or yellow

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Summary of Contents for CKA4217L

Page 1: ...NITOR CONTENTS 1 Precautions 2 Product Specifications 3 Operating Instructions 4 Disassembly Reassembly 5 Alignment Adjustments 6 Troubleshooting 7 Exploded View Parts List 8 Block Diagram 9 Wiring Diagram 10 PCB Diagrams Electrical Parts List 11 Schematic Diagrams ...

Page 2: ...Samsung Electronics Co Ltd September 1997 Printed in Korea Code No BH68 60933A ...

Page 3: ...e rated value no higher Be sure all service personnel are aware of the procedures and instructions covering X rays The only potential source of X ray in current solid state display monitors is the tube However the CRT does not emit measurable X ray radiation if the high voltage is at the high voltage adjustment value Only when high voltage is excessive are X rays capable of penetrating the shell o...

Page 4: ...arth ground metal water pipe conduit etc and all exposed metal parts including metal cabinets screwheads and control shafts The current measured should not exceed 0 5 milliamp Reverse the power plug prongs in the AC outlet and repeat the test 1 1 4 Product Safety Notices Some electrical and mechanical parts have special safety related characteristics which are often not evident from visual inspect...

Page 5: ...isconnect the power cord from the AC source and turn the power switch ON Connect an insulation resistance meter 500 V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 7 Never defeat any of the B voltage interlocks Do not apply AC power to the unit or any of its assemblies unless all so...

Page 6: ... with leads that are electrically shorted together by conductive foam aluminum foil or other conductive materials 7 Immediately before removing the protective material from the leads of a replacement ESD touch the protective material to the chassis or circuit assembly into which the device will be installed Caution Be sure no power is applied to the chassis or circuit and observe all other safety ...

Page 7: ...KA5227L Horizontal 255 mm 3 mm 4 3 ratio 267 mm 3 mm 4 3 ratio Vertical 191 mm 3 mm 200 mm 3 mm Input Voltage AC 90 to 264 Volts 60 Hz 50 Hz 3 Hz Power Consumption 73 Watt max Dimensions CKA42 7L CKA5227L Unit W x D x H 13 7 x 15 2 x 14 3 Inches 348 x 385 x 362 5 mm 14 6 x 15 6 x 14 8 Inches 370 x 395 x 377 mm Carton W x D x H 16 6 x 18 1 x 15 4 Inches 422 x 460 x 390 mm 17 9 x 19 6 x 17 0 Inches ...

Page 8: ...ssignments Sync Type Pin No 15 Pin Signal Cable Connector Figure 2 1 Separate 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Red Green Blue GND DDC Return GND R GND G GND B Reserved GND Sync Self raster GND DDC Data H Sync V Sync DDC Clock 5 15 Figure 2 1 Male Type ...

Page 9: ...1 616 3 232 16 162 0 323 75 000 13 333 0 064 0 448 12 800 0 021 49 500 Positive Positive Separate 53 674 18 631 1 138 2 702 14 222 0 569 85 061 11 756 0 056 0 503 11 179 0 019 56 250 Positive Positive Separate 48 363 20 677 2 092 2 462 15 754 0 369 60 004 16 666 0 124 0 600 15 880 0 062 65 000 Negative Negative Separate 800 75 Hz 800 x 600 640 75 Hz 640 x 480 640 85 Hz 640 x 480 2 3 Timing Chart T...

Page 10: ...Memo 2 Product Specifications 2 4 CKA42 7L 5227L ...

Page 11: ... Button Adjustment Buttons Parallelogram V Linearity Pinbalance Button Degauss Recall User Delete Vertical Size Button Vertical Position Button Horizontal Size Button 3 4 8 9 10 11 12 13 14 15 16 17 5 6 7 2 3 4 5 6 10 12 13 14 17 16 15 11 9 8 7 1 2 Table 3 1 Front Panel Controls Figure 3 1 Front Control Panel 3 Operating Instructions 3 1 Front View and Controls 3 1 1 CKA4227L Front View ...

Page 12: ...pezoid Button Side Pincushion Button Adjustment Buttons Parallelogram V Linearity Pinbalance Button Degauss Recall User Delete Tilt Optional Vertical Size Button Vertical Position Button Horizontal Size Button 3 4 8 9 10 11 12 13 14 15 16 17 18 5 6 7 2 3 4 5 6 10 12 13 14 18 17 16 15 11 9 8 7 1 2 Table 3 2 Front Panel Controls Figure 3 2 Front Control Panel 3 1 2 CKA5227L Front View ...

Page 13: ...Button Trapezoid Button Side Pincushion Button Adjustment Buttons Parallelogram V Linearity Pinbalance Button Degauss Recall User Delete Vertical Size Button Vertical Position Button Horizontal Size Button 3 4 8 9 10 11 12 13 14 15 16 17 5 6 7 2 3 4 5 6 10 12 13 14 17 16 15 11 9 8 7 1 2 Table 3 3 Front Panel Controls Figure 3 3 Front Control Panel 3 1 3 CKA4217L Front View ...

Page 14: ...lanked Power saving function EPA NUTEK Stand By Mode Suspend Mode Position A Power Off Mode Position B Inactive Inactive Blanked Table 3 4 Display Power Management Signaling DPMS CKA42 7L State Items Normal Operation Horizontal Sync Vertical Sync Video Power Indicator Power Consumption hr Active Active Active Green Green Blinking 0 5 sec interval Green Blinking 1 sec interval Green Blinking 1 sec ...

Page 15: ...he Main PCB 3 Disconnect all easily accessible ground wires on the Main PCB and Chassis Bottom 4 Disconnect the DY connector between the DY and the CN301 CN302 CN502 and CN503 connector on the Main PCB 5 Remove the screws on the back and along each side of the Chassis Bottom 6 Carefully lift the Main PCB Ass y 7 Remove all other ground wires 4 1 4 CRT Ass y Disassembly 1 Complete all previous step...

Page 16: ...in PCB 6 Replace the DY connector at the CN301 CN302 CN502 and CN503 connector on the Main PCB 7 Replace all easily accessible ground wires on the Main PCB and Chassis Bottom 8 Replace the Anode Cap 4 2 3 Replacing the CRT Socket PCB 1 Lock the Focus G3 wire on the CRT Socket and reconnect the Screen G2 wire on the CRT Socket PCB 2 Reconnect the CRT Socket on the CRT pins and apply silicon bond at...

Page 17: ...ntal 30 kHz to 55 kHz automatic Vertical 50 Hz to 120 Hz automatic Unless otherwise specified adjust at the 800 x 600 mode H 53 7 kHz V 85 Hz signals Refer to Table on page 2 5 5 1 1 f B 13 V LINE CHECK No beam Contrast Maximum Brightness Maximum Check the DC 13 V 0 2 V at Cathode of D616 Point and GND 5 1 1 g HIGH VOLTAGE CHECK No beam Contrast Maximum Brightness Maximum Check the high voltage to...

Page 18: ...ys 800 x 600 85 Hz or 800 x 600 75 Hz minimum 6 Personal computer 7 Required software Softjig exe from Samsung Samsung DM200 or DisplayMate for Windows from Sonera Technologies 8 Interface Board Ver 2 0 Code No BH81 90001K 9 Parallel communications cable 25 pin to 25 pin Code No BH81 90001H 10 Signal cable 15 pin to 15 pin cable with additional 3 pin connector Code No BH81 90001J 11 5 V DC adapter...

Page 19: ...the monitor does not meet adjustment specifications when facing north reposition the monitor to face east and readjust This time try for an adjustment closer to the ideal setting within the tolerance range Test the unit again in all directions If the monitor again fails to meet specifications in every direction contact your Regional After Service Center for possible CRT replacement 5 Alignment and...

Page 20: ...ximum Adjust the vertical size of the display pattern to 200 mm 15 and 191 mm 14 Tolerance 3 mm 5 2 1 c HORIZONTAL POSITION ADJUSTMENT CONDITIONS Scanning frequency 53 7 kHz 85 Hz 15 43 8 kHz 85 Hz 14 Display image Crosshatch pattern PROCEDURE Center the test pattern on the raster 5 2 1 d VERTICAL POSITION ADJUSTMENT CONDITIONS Scanning frequency 53 7 kHz 85 Hz 15 43 8 kHz 85 Hz 14 Display image C...

Page 21: ...z 85 Hz 15 43 8 kHz 85 Hz 14 Display image Crosshatch pattern After pushing the Side Pincushion button once push the Increase and Decrease buttons to straighten the sides of the test pattern 5 2 6 CRT Tilt Adjustment TILT ADJUSTMENT CKA5227L With Tilt Push the V Posi and H Size simultaneously until Led blinks and back on again Push the Increase and Decrease buttons to correct the Tilt 5 2 7 Vertic...

Page 22: ...nction only once per 30 minutes If available use an external degaussing coil during servicing WARNING Do Not hold the Degauss button down for longer than 3 seconds If you do it resets all of the data in the user memory area If this occurs you must remake the user adjustments 5 2 10 Delete User Mode Data To delete the picture data from the user modes push the contrast button and side pincushion but...

Page 23: ...ough 5 3 5 adjust the Color Coordinates for 9300 K to x 0 283 0 02 and y 0 298 0 02 5 3 2 Back Raster Color Adjustment CONDITIONS Measurement instrument Color analyzer Scanning frequency 53 7 kHz 85 Hz 15 43 8 kHz 85 Hz 14 Display image Back raster pattern Brightness Maximum Contrast Maximum PROCEDURE 1 Adjust the Screen VR on the FBT so that the brightness of the Back Raster is 0 3 to 0 5 ft L ty...

Page 24: ... analyzer Scanning frequency 53 7 kHz 85 Hz 15 43 8 kHz 85 Hz 14 Display image Full white pattern Brightness Maximum Contrast Maximum PROCEDURE Adjust VR501 ACL so that the brightness level is 40 1 ft L 5 3 7 Focus Adjustment CONDITIONS Measurement instrument Color analyzer Scanning frequency 53 7 kHz 85 Hz 15 43 8 kHz 85 Hz 14 Display image H character pattern Brightness Maximum Contrast Maximum ...

Page 25: ...sing coil to neutralize magnetic fields which may be affecting color purity 2 Very carefully break the glue seal between the 2 pole purity convergence magnets PCM the band and the spacer see Figure 5 9 3 Make sure the spacing between the PCM assembly and the CRT stem is 22 5 mm 1 mm 4 Display a red pattern over the entire display area 5 Adjust the Purity Magnet Rings on the PCM assembly to display...

Page 26: ...ge B 0 40 0 28 CRT FRONT 1 2 3 4 8 5 9 6 7 10 11 Toshiba CRT 1 Setup Bolt 2 Bow Magnet 3 Spacer 4 2 Pole Magnet 5 Band 6 6 Pole Magnet 7 Spacer 8 4 Pole Magnet 9 Holder 10 Band 11 Tabs A B 200 MM 267 MM Red and Blue Alignment 4 pole magnet movement Red Blue and Green Alignment 6 pole magnet movement R B B R RB M G G RB M G G M G G M R B B R R B B R O Magnetic Field Motion 1 Motion 2 1 SPREAD TAB M...

Page 27: ...olor purity 7 Mark the correct position for the magnets and apply a small line of glue to hold the magnets in place Lock the rings in place 5 4 2 Dynamic Edge Convergence CONDITIONS Direction Monitor facing east Warm up 30 minutes Display image Crosshatch pattern Tolerances See Table 5 5 PROCEDURE Use the following procedure to correct minor dynamic edge misconvergence If after using this procedur...

Page 28: ...AND BLUE BALANCE CONVERGENCE Figure 5 12 Horizontal Line Balance Misconvergence PROCEDURE Use a 2 5 mm hexkey at the Horizontal Balance Coil Xv Turning it right raises the right end of the blue line and lowers the left end Turning the VR to the left lowers the right end of the blue line and raises the left end 5 4 4 b VERTICAL RED AND BLUE BALANCE CONVERGENCE Figure 5 13 Vertical Line Balance Misc...

Page 29: ... 6 1 No Power Does proper AC 90 264 Volts appear between the positive and negative poles of C604 Check F601 L602 and TH602 Check D604 D607 D609 IC602 T601 OP601 and power circuit Yes No Check IC301 and its related circuits Check the power supply circuits D616 Check the power supply circuits D608 6 2 Horizontal Line on CRT Does DC 13 V appear at Pin 2 of IC301 Does DC 11 V appear at Pin 4 of IC301 ...

Page 30: ...s related circuits R414 and C411 No WAVEFORMS 25 23 Check flyback pulse at the collector of Q402 connection of CN502 and its related circuits D403 D409 and T501 Does the drive output pulse appear at the base of Q402 Yes 26 27 4 76 V IC401 26 CH1 P P 4 76 V CH1 RMS 3 652 V 23 29 4 V Q403 Collector CH1 P P 29 4 V CH1 RMS 13 16 V 25 10 4 V Q402 Base CH1 P P 10 4 V CH1 RMS 1 384 V 26 1 104 kV Q402 Col...

Page 31: ... pulse appear at Pins 13 17 and 19 of IC101 Does the clamp signal appear at Pin 10 of IC101 6 4 No Video Yes No Yes No Yes Yes No No No Does the video amplified pulse appear at the Pins 8 9 and 11 of IC102 Yes No Does the video amplified appear at the Pin 1 3 and 5 of IC102 Yes Yes Does the DC voltage appear at pin 9 of IC 101 No 36 Check CRT No Does the right R G B waveforms appear at the disconn...

Page 32: ...well Yes Yes No When you push the manual degauss button is there a voltage change at Pins 31 32 of IC202 No change at Pins 31 32 No Yes No The raster color is light red or cyan The raster color is light green or magenta Check the video circuits IC101 IC102 pin 3 and related components with G video Check the video circuits IC101 IC102 pin 5 and related components with B video Check the video circui...

Page 33: ...d the DPMS function does not operate and a self raster displays Does 5 V appear at Pin 12 of IC202 Yes No No 1 Check V sync input inactive 2 Check IC202 and its related circuits Does 0 zero V appear at Pin 2 of IC604 Yes No Check IC604 and Q602 OK 6 7 2 Suspend Mode Does 0 V appear at Pin 3 of IC202 Yes 1 Check H Sync input inactive 2 Check IC202 OK 6 7 1 Stand By Mode Does 5 V appear at Pin 12 an...

Page 34: ...heck the button SW201 SW203 SW205 SW208 and SW211 Check IC202 Check IC202 and RESET circuit Does the DC level change at Pins 29 30 31 and 32 of IC201 when you push the front panel button Does the DC level change at the positive pole capacitors when you push the front panel button See table 6 2 Yes No Yes No Table 6 2 Front Panel Button ...

Page 35: ...6003 000129 M4 L10 ZPC 1EA 13 SPRING PS BH61 70003A STS304 W1 2H T0 5 6EA 12 HEATSINK VIDEO BH62 30410B A6063S 1EA 11 UNIT SHIELD CRT PCB BH75 10543A SPTE T0 3 1EA 10 LABEL RATING BH68 30563A PE T0 075 1EA 9 COVER SIGNAL BH72 60603A ABS V0 IV16 1EA 8 COVER REAR BH72 60607A ABS V0 IV16 1EA 7 ASS Y MAIN PCB 1EA 6 UNIT FRAME BOTTOM BH75 10555A SECC T1 0 1EA 5 TAPTITE SCREW 6003 000009 BH M4 L16 6EA 4...

Page 36: ...PTITE SCREW 6003 000129 M4 L10 ZPC 1EA 13 SPRING PS BH61 70003A STS304 W1 2H T0 5 6EA 12 HEATSINK VIDEO BH62 30410B A6063S 1EA 11 UNIT SHIELD CRT PCB BH75 10543A SPTE T0 3 1EA 10 LABEL RATING BH68 30563A PE T0 075 1EA 9 COVER SIGNAL BH72 60603A ABS V0 IV16 1EA 8 COVER REAR BH72 60607A ABS V0 IV16 1EA 7 ASS Y MAIN PCB 1EA 6 UNIT FRAME BOTTOM BH75 10555A SECC T1 0 1EA 5 TAPTITE SCREW 6003 000009 BH ...

Page 37: ...6003 000129 M4 L10 ZPC 1EA 13 SPRING PS BH61 70003A STS304 W1 2H T0 5 6EA 12 HEATSINK VIDEO BH62 30410B A6063S 1EA 11 UNIT SHIELD CRT PCB BH75 10543A SPTE T0 3 1EA 10 LABEL RATING BH68 30563A PE T0 075 1EA 9 COVER SIGNAL BH72 60603A ABS V0 IV16 1EA 8 COVER REAR BH72 60600A ABS V0 IV16 1EA 7 ASS Y MAIN PCB 1EA 6 UNIT FRAME BOTTOM BH75 10555A SECC T1 0 1EA 5 TAPTITE SCREW 6003 000009 BH M4 L16 6EA 4...

Page 38: ...Memo 8 Exploded View and Parts List CKA42 7L 5227L 13 4 ...

Page 39: ...nF 80 20 50V Y5V 2 3X3 0 C102R 317 8 153 5 2202 002008 C CERAMIC MLC AXIAL 10nF 80 20 50V Y5V 2 3X3 0 C103B 294 3 205 5 2301 000010 CAP MYLAR 104J 2A 5P T 100V 104J C103G 284 205 5 2301 000010 CAP MYLAR 104J 2A 5P T 100V 104J C103R 304 232 5 2301 000010 CAP MYLAR 104J 2A 5P T 100V 104J C104B 318 5 187 2401 000043 C AL 1uF 20 160V GP 6 3x11mm 5mm T C104G 317 202 2401 000043 C AL 1uF 20 160V GP 6 3x...

Page 40: ...09 C FILM MPEF 39nF 5 250V 13x9x4 5mm 7 5mm C304 107 74 2401 000023 CAP AL ELEC 105M 1H T 50V 1M C305 106 5 41 8 2305 000280 CAP MPETP 224K 1J 5P T 63V 224K C306 141 22 8 2401 000037 CAP AL ELEC 477M 1 T 470UF 16V 20 C 8x11 5 R RADIAL C307 106 66 3 2401 000849 CAP AL ELEC 227M 1V T 35V 220M C308 126 10 5 2401 000037 CAP AL ELEC 477M 1C T 470UF 16V 20 C 8x11 5 R RADIAL C309 102 5 54 2201 000013 C C...

Page 41: ...CERAMIC MLC AXIAL 100nF 80 20 50V Y5V 2 3X3 0 C434 73 5 168 8 2401 001509 C AL 47uF 20 16V GP 6 3x7mm 2 5mm C435 152 5 117 2401 001012 C ALUMINUM 3 3UF 20 50V BP 16 26 7 7 5mm T C436 129 188 2303 001029 C FILM PPF 5 2nF 5 630V 19x7x13 7 5 TP C437 155 5 147 2301 000012 CAP MYLAR 222J 2A 5P T 100V 222J C439 154 137 8 2201 000010 CAP CERAMIC 330J 1H NPO 33PF 50V 5 NPOPPM NPO DISC C440 80 5 134 5 2301...

Page 42: ... GP 10x12 5mm 5mm C623 251 5 64 2401 001195 CAP AL ELEC 336M 1H T 50V 33M C624 251 8 48 5 2301 000010 CAP MYLAR 104J 2A 5P T 100V 104J C625 251 5 36 8 2201 000365 C CERAMIC DISC 220pF 10 2KV Y5P 6 3X3 0 5 TP C626 233 3 72 3 2401 000023 CAP AL ELEC 105M 1H T 50V 1M C627 176 52 5 2401 000039 CAP AL ELEC 108M 1C 10x16 T 1000UF 16V 20 R RADIAL C628 28 3 177 3 2202 002009 C CERAMIC MLC AXIAL 100nF 80 2...

Page 43: ...227 5 107 0403 000005 DIODE ZEN UZ 5 1B DO 35 0 5W 10MA D214 259 5 117 3 0403 000005 DIODE ZEN UZ 5 1B DO 35 0 5W 10MA D215 259 5 114 8 0403 000005 DIODE ZEN UZ 5 1B DO 35 0 5W 10MA D216 66 5 134 3 0401 000005 DIODE SIG 1N4148 DO 35 75V 150MA 1V 10MA D301 130 5 41 0402 000128 DIODE REC 1N4002 DO 41 70V 1A 1 1V 1A 2000NS 0 5A D401 80 230 0402 000007 DIODE REC 1N4937 DO 41 420V 1A 1 2V 1A 200NS 1A D...

Page 44: ...186 62 8 0402 000005 DIODE RECTIFIER 31DF4 400V 3A DO 201AD D616 185 5 36 5 0402 000014 DIODE RECTIFIER RG2 400V 1 2A DO 201 D617 182 5 41 5 0402 000247 DIODE RECTIFIER RG2Y 70V 1 5A DO 201 D618 231 79 5 0401 000005 DIODE SIG 1N4148 DO 35 75V 150MA 1V 10MA D619 256 8 44 8 0402 000017 DIODE RECTIFIER RGP02 12 1200V 0 5A DO 204AL D620 167 57 5 0402 000007 DIODE REC 1N4937 DO 41 420V 1A 1 2V 1A 200NS...

Page 45: ...8 3602 000001 FUSE CLIP 5 2X20 30MOHM 800GF 400 800GF HS102 BH62 30410A HEAT SINK A6063S T2 5 HS301 BH62 30411A HEAT SINK A6063S T2 0 HS501 BH62 30417A HEAT SINK FBT A1050S T1 0 CKA42 7 5227 HS508 BH62 30015A HEAT SINK TR SCP 1 T1 SN HS602 BH62 30411A HEAT SINK A6063S T2 0 IC101 274 5 141 1201 001184 IC VIDEO AMP 2141 DIP 20P 300MIL SINGLE P IC102 281 5 241 1204 000010 IC CHANNEL SELECTOR LM2406 T...

Page 46: ...5V 0 15A Q407 55 5 200 3 0501 000586 TR NPN KSC945 TO 92 EBC 0 25W 60V 50V 5V 0 15A Q408 158 5 130 0501 000303 TR SMALL SIGNAL KSA733 Y PNP 250mW TO 92 120 Q409 163 134 5 0501 000303 TR SMALL SIGNAL KSA733 Y PNP 250mW TO 92 120 Q410 171 8 148 8 0503 000001 TR DARLINGTON KSE800 NPN 60V 60V 4A 40W TO 126 Q413 77 198 0501 000369 TR NPN KSC2331 TO 92L ECB Q501 207 5 226 5 0501 000586 TR NPN KSC945 TO ...

Page 47: ... 5 1 6W AA TP 1 8x3 2mm R114 285 167 3 2001 000511 R CARBON 220ohm 5 1 2W AA TP 3 3x9mm R115 255 5 163 3 2001 000029 R CARBON 100ohm 5 1 6W AA TP 1 8x3 2mm R116 267 153 2001 000029 R CARBON 100ohm 5 1 6W AA TP 1 8x3 2mm R117 278 153 2001 000039 R CARBON 390ohm 5 1 6W AA TP 1 8x3 2mm R118 272 5 153 2001 000039 R CARBON 390ohm 5 1 6W AA TP 1 8x3 2mm R119 294 152 2001 000039 R CARBON 390ohm 5 1 6W AA...

Page 48: ...001 000067 REF CF 10K 5 1 6W 150V 1300 TO 350PPM C R A R244 25 94 8 2001 000067 REF CF 10K 5 1 6W 150V 1300 TO 350PPM C R A R245 37 117 2001 000106 R CARBON 1 5Kohm 5 1 6W AA TP 1 8x3 2m R246 37 114 5 2001 000106 R CARBON 1 5Kohm 5 1 6W AA TP 1 8x3 2m R247 37 104 8 2001 000106 R CARBON 1 5Kohm 5 1 6W AA TP 1 8x3 2m R248 37 102 3 2001 000106 R CARBON 1 5Kohm 5 1 6W AA TP 1 8x3 2m R249 22 5 116 2001...

Page 49: ... AXI R404 28 5 147 2001 000043 REF CF 1K 5 1 6W 150V 1300 TO 350PPM R AXI R405 72 143 2001 000097 R CARBON 1Mohm 5 1 6W AA TP 1 8x3 2mm R406 47 8 128 2004 001136 R METAL 6 8Kohm 1 1 4W AA TP 2 4x6 4m R407 81 137 5 2001 000106 R CARBON 1 5Kohm 5 1 6W AA TP 1 8x3 2m R408 55 8 134 3 2001 000048 REF CF 2 2K 5 1 6W 150V 1300 TO 350PPM C R A R409 44 5 163 2001 000043 REF CF 1K 5 1 6W 150V 1300 TO 350PPM...

Page 50: ...METAL 12Kohm 1 1 4W AA TP 2 4x6 4mm R509 82 5 177 5 2004 004095 R METAL 2 36Kohm 1 1 4W AA TP 2 4x6 4 R510 184 5 230 2001 000836 R CARBON 51Kohm 5 1 6W AA TP 1 8x3 2mm R511 219 209 2001 000057 REF CF 5 1K 5 1 6W 150V 1300 TO 350PPM C R A R512 180 3 144 2001 000547 R CARBON 270Kohm 5 1 6W AA TP 1 8x3 2m R513 227 3 167 3 2008 000106 REF FUSIBLE 0 56 5 1 2W 350 TO 350PPM C R AXIAL R515 158 114 2001 0...

Page 51: ...PM C R A R618 258 5 40 5 2003 000010 REF MO 8 2K 5 3W S 350V 350 TO 350PPM C R AX R619 39 187 2001 000056 REF CF 4 7K 5 1 6W 150V 1300 TO 350PPM C R A R620 204 92 2003 000432 R METAL OXIDE S 1 5Kohm 5 3W AA TP 6x16mm R621 150 78 2001 000056 REF CF 4 7K 5 1 6W 150V 1300 TO 350PPM C R A R622 163 52 8 2003 000631 R METAL OXIDE S 3 3ohm 5 3W AA TP 6x16mm 15 2003 000005 R METAL OXIDE S 1ohm 5 2W AA TP ...

Page 52: ...4951 TCO 172 242 BH39 40305U JUMPER WIRE JUMPER WIRE TH601 263 5 95 5 1404 000002 THERMISTOR NTC NTC 9OHM 20 TH602 272 5 77 1404 001020 THERMISTOR NTC 8ohm 15 17mW C BK TILT 175 3 242 BH39 40305U JUMPER WIRE JUMPER WIRE VR101B 322 8 141 2103 000007 vr3 1 10W VR101G 322 8 149 5 2103 000007 vr3 1 10W VR101R 322 8 158 2103 000007 vr3 1 10W VR102B 322 8 182 5 2103 000291 vr3 1 10W VR102G 322 8 201 5 2...

Page 53: ...001 000067 R CF 10K 5 1 6W 10KOHM 5 1 6W AA TP 1 8X3 2MM R316 2001 000075 R CF 39K 5 1 6W 39KOHM 5 1 6W AA TP 1 8X3 2MM R317 2001 000067 R CF 10K 5 1 6W 10KOHM 5 1 6W AA TP 1 8X3 2MM R318 2001 000043 R CF 1K 5 1 6W 1KOHM 5 1 6W AA TP 1 8X3 2MM R319 2001 000064 R CF 7 5K 5 1 6W 7 5KOHM 5 1 6W AA TP 1 8X3 2MM R320 2003 000807 R MO 82 5 2W 5 6KOHM 2 1 8W AD TP 1 8X3 2MM R321 2001 000083 R CF 82K 5 1 ...

Page 54: ...M36EDR320X151 Philips BH03 10338K CRT COLOR TCO 15 M36QAW351X105 T4 LP SDD CRT GND BH39 40362A CBF CRT GROUND 2P 410MM BLK UL1015 AWG18 171 14 BH39 40361Z CBF CRT GROUND 2P 800MM GRAY UL1571 AWG28 S 15 D COIL BH27 10335T DEGAUSSING COIL 290 200 980 10 2MH 14 BH27 10335S DEGAUSSING COIL 255 255 980 11 0MH 15 BH27 10375R DEGAUSSING COIL 255 255 980 11 0MH 15 TILT MAGNET RUBBER 3302 000006 MAG RUBBER...

Page 55: ...NVERTER H OUT Q402 CRT HEATER 7V SWITCHING TRANSFORMER T601 RECTIFIER D604 D607 PWM CONTROL IC602 LINE FILTER L602 DEGAUSSING BLOCK RL601 Q601 AC INLET SOCKET IS601 FEED BACK OP601 IC601 POWER OFF CONTROL Q603 Q604 H OSC V OSC IC401 H DRIVE Q403 T401 TO D COIL ON THE CRT M DEGAUSS FROM Micom M A I N B O A R D CONTRAST CONTROL FROM MAIN BOARD SUSPEND CONTROL Q602 208V 45V H V SCREEN FOCUS H V SYNC ...

Page 56: ...46 KSC2331 KSA1013 KSB772 KSE800 IRF630 IRFR U230A KSC5088 KA431 KA7545 MC7805 KA78R12 KA2H0880 D403 Q201 Q301 Q406 Q407 Q501 Q502 Q507 Q601 Q604 Q203 Q408 Q409 Q505 Q506 Q509 Q202 Q602 Q101 Q504 Q510 Q403 Q413 Q102 Q603 Q410 Q404 Q508 Q405 Q402 IC601 IC201 IC603 IC604 IC602 R A K I G O I G O 1 4 5 1 K A E B C E C B E C B G D S G D S 1 Vin 2 Vout 3 GND 4 Vcc 1 Drain 2 GND 3 Vcc 4 F B 5 Sync ...

Page 57: ... Parts List 10 20 CKA42 7L 5227L TYPE NO REF NO PARTS TYPE NO REF NO PARTS TDA9302H LM2406 LTV817M SM 24LC04 24LC21 L272M KA2141 TDA9109 MC68HC705 IC301 IC102 QP601 IC203 IC204 IC302 IC101 IC401 IC202 4 1 8 1 20 1 32 1 42 1 1 1 7 11 ...

Page 58: ...9 Wiring Diagram 9 1 CKA42 7L 5227L FBT SK01 CN101 CRT GT07 CN302 CN301 CN503 CN502 CN201 CN202 SIGNAL CABLE CRT GND CN102 ...

Page 59: ...l and secondary circuit 2 Do not use your instrument between secondary ground symbol and primary circuit 11 2 Notes 1 Resistance is shown in OHM K 1 000 M 1 000 000 and the rated power of resistors not noted in the schematic diagram is 1 4W 2 Capacitance is shown in µF Capacitances not otherwise noted are shown in pF 1µF 1 000 000 pF Rated voltage of condensers not otherwise noted in the schematic...

Page 60: ...11 Schematic Diagrams 11 2 CKA42 7L 5227L 13 12 11 8 9 10 7 4 5 1 3 2 14 15 11 4 Micom SMPS Part Schematic Diagram ...

Page 61: ...11 Schematic Diagrams CKA42 7L 5227L 11 3 18 19 16 17 24 23 22 21 20 28 25 26 27 29 30 32 31 11 5 HV Defl High Voltage Part Schematic Diagram ...

Page 62: ...11 Schematic Diagrams 11 4 CKA42 7L 5227L 33 34 35 36 37 38 11 6 Video Part Schematic Diagram ...

Page 63: ... 1 7 V CH1 RMS 1 278 V 8 5 04 V IC202 34 CH1 P P 5 04 V CH1 RMS 1 720 V 12 2 52 V IC301 3 CH1 P P 2 52 V CH1 RMS 10 44 V 16 5 04 V IC401 22 CH1 5 04 V CH1 RMS 3 564 V 20 5 04 V IC401 23 CH1 5 04 V CH1 RMS 3 500 V 21 29 4 V Q403 Collector CH1 P P 29 4 V CH1 RMS 13 16 V 25 12 48 V Q508 Gain CH1 P P 12 48 V CH1 RMS 4 032 V 29 3 28 V IC401 24 CH1 3 28 V CH1 RMS 2 904 V 22 10 4 V Q402 Bias CH1 P P 10 4...

Page 64: ...89 4 8 pin MODES 1024 x 768 60 Hz 640 x 480 60 Hz Table 11 11 IC602 KA2S0880 Unit Vrms 1 2 3 4 5 6 7 8 GND 3 82 3 68 4 78 4 99 GND 3 82 3 68 4 78 4 99 pin MODES 1024 x 768 60 Hz 640 x 480 60 Hz Table 11 6 IC204 24LC211 P Unit Vrms 1 2 3 4 5 6 7 1 09 12 98 10 90 10 99 5 5 12 92 1 09 1 09 12 98 10 90 10 99 5 5 12 92 1 09 pin MODES 1024 x 768 60 Hz 640 x 480 60 Hz Table 11 7 IC301 TDA9302 Unit Vrms 1...

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