Samsung CHA4217L Service Manual Download | Manualshive

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7 Troubleshooting

7-2

CHA42*7L/5**7L

7-1-2 Shut Down

Check X-ray protection circuit. :

D519, D505, R506, R503, D503

Check key components of secondary part. :

Q402, Q508, D408, D403, D409, Q410,

Rectifier diodes

(

D615,

D611, D608, D616, D617),

IC101

(Vcc ~ GND)

Check and replace

IC602,

OP601.

Refer to 7-2-1 No Power.

Refer to 7-2-3 No Raster and 7-2-12 High Voltage Failure.

Refer to 7-2-17 Micom Failure.

Refer to 7-2-13 I

2

C Failure.

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Summary of Contents for CHA4217L

Page 1: ...TENTS 1 Precautions 2 Reference Information 3 Product Specifications 4 Operating Instructions 5 Disassembly Reassembly 6 Alignment Adjustments 7 Troubleshooting 8 Exploded View Parts List 9 Electrical Parts List 10 Block Diagram 11 PCB Diagrams 12 Wiring Diagram 13 Schematic Diagrams ...

Page 2: ...Samsung Electronics Co Ltd August 1998 Printed in Korea Code No BH68 61127A ...

Page 3: ... not lodged between the chassis and other metal parts in the monitor 2 Inspect all protective devices such as nonmetallic control knobs insulating materials cabinet backs adjustment and compartment covers or shields isolation resistor capacitor networks mechanical insulators etc 3 Leakage Current Hot Check Figure 1 1 WARNING Do not use an isolation transformer during this test Use a leakage curren...

Page 4: ...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 solid state heat sinks are correctly installed 8 Always connect a test instrumentÕs ground lead to the instrument chassis g...

Page 5: ...E Horizontal Size H PHONE Headphone Hz Hertz I SENSE Current Sense lb Pound MAX Maximum MIC Microphone MIN Minimum MP C Metalized Polyester MPP Metal Polypropylene MO R Metal Oxide OSC Oscillator P C Polyester PARA Parabola PARALL Parallelogram PIN BAL Pincushion Balance PRE AMP Pre Amplifier PS1 Power Saving1 suspend PS2 Power Saving2 off PWR Power R Red R CUT Red Cutoff R GAIN Red Gain RST Reset...

Page 6: ...T Field Effect Transistor FH Horizontal Frequency FS Fail Safe FV Vertical Frequency GD Geometric Distortion H V Horizontal Vertical HV High Voltage I O Input Output IC Integrated Circuit LED Light Emitting Diode MAC Macintosh MOFA Mask Outside Frame Assemble OCP Over Current Protection OP AMP Operational Amplifier OSD On Screen Display P P Peak to Peak PCB Printed Circuit Board PLL Phase Locked L...

Page 7: ...z 15 85 MHz Active Display 14 15 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 Dimensions 14 15 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 ...

Page 8: ...ssignments Sync Type Pin No 15 Pin Signal Cable Connector Figure 3 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 3 1 Male Type ...

Page 9: ... 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 60 023 16 660 13 003 3 658 13 206 3 454 75 029 13 328 12 795 0 533 12 812 0 516 78 750 Positive Positive Separate 800 75 H...

Page 10: ...Memo 3 Product Specifications 3 4 CHA42 7L 5 7L ...

Page 11: ...Contrast Control Parallelogram V Linearity Pinbalance Button Degauss Recall User Delete Tilt Option 15 V Moire Vertical Size Button Vertical Position Button Horizontal Size Button 3 4 8 9 10 11 12 13 14 15 16 17 18 19 5 6 7 2 3 12 13 14 17 16 15 4 5 18 6 7 8 9 10 11 1 2 19 Table 4 1 Front Panel Controls Figure 4 1 Front Control Panel 4 Operating Instructions 4 1 Front View and Control ...

Page 12: ...ompliant and NUTEK compliant 4 Operating Instructions 4 2 CHA42 7L 5 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 0 5 sec interval Green Blinking 1 sec interval 73 W max 60 W nominal Less than 15 W 50 W nominal Less than 5 W Inactive Active Blanked Active Inactive B...

Page 13: ...gaussing Coil at the CN601 connector on the 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 AssÕy 7 Remove all other ground wires 5 1 4 CRT Ass y...

Page 14: ...5 Disassembly and Reassembly 5 2 CHA42 7L 5 7L Memo ...

Page 15: ...tic 15Ó Vertical 50 Hz to 120 Hz automatic Unless otherwise specified adjust at the 800 x 600 mode H 53 7 kHz V 85 Hz 15Ó the 640 x 480 mode H 43 8 kHz V 85 Hz 14Ó signals Refer to Table on page 3 3 6 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 6 1 1 g HIGH VOLTAGE CHECK No beam Contrast Maximum Brightness Maximum Che...

Page 16: ...ftJig Connect the monitor to the signal generator and or PC as illustrated in Figures 6 1 and 6 2 Note The signal cable connector which includes the 3 wire cable must connect to the monitor If you use Setup 2 PC only no signal generator you can only make adjustments to the signal timing available on that computer system To make corrections to all factory timings requires the use of an additional s...

Page 17: ... Hz may be saturated or cannot overscan the bezel 6 2 1 b VERTICAL SIZE ADJUSTMENT CONDITIONS Scanning frequency 53 7 kHz 85 Hz 15Ó 43 3 kHz 85 Hz 14Ó Display image Crosshatch pattern Brightness Maximum Contrast Maximum Adjust the vertical size of the display pattern to 200 mm 15Ó and 191 mm 14Ó Tolerance 3 mm 6 2 1 c HORIZONTAL POSITION ADJUSTMENT CONDITIONS Scanning frequency 53 7 kHz 85 Hz 15Ó ...

Page 18: ...stment To activate the vertical linearity adjustment push both the horizontal position and horizontal size buttons and hold then in for longer than 3 seconds or until the power indicator LED changes from green to blink and back to green Use the Increase and Decrease Ð buttons to correct the display shape 6 2 8 Pin Balance Adjustments To activate the pin balacne function push both the horizontal po...

Page 19: ...ections in sections 6 3 2 through 6 3 5 adjust the Color Coordinates for 9300K to x 0 283 0 02 and y 0 298 0 02 6 3 2 Back Raster Color Adjustment CONDITIONS Measurement instrument Color analyzer Scanning frequency 53 7 kHz 85 Hz 15Ó 43 3 kHz 85 Hz 14Ó Display image Back raster pattern Brightness Maximum Contrast Maximum PROCEDURE 1 Adjust the Screen VR on the FBT so that the brightness of the Bac...

Page 20: ...so that they do 6 3 6 ABL Point Adjustment CONDITIONS Measurement instrument Color analyzer Scanning frequency 53 7 kHz 85 Hz 15Ó 43 3 kHz 85 Hz 14Ó Display image Full white pattern Brightness Maximum Contrast Maximum PROCEDURE Adjust ABL so that the brightness level is 35 1 ft L 6 3 7 Focus Adjustment CONDITIONS Measurement instrument Color analyzer Scanning frequency 53 7 kHz 85 Hz 15Ó 43 3 kHz ...

Page 21: ...ussing 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 6 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 displ...

Page 22: ...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 23: ... color 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 6 4 2 Dynamic Edge Convergence CONDITIONS Direction Monitor facing east Warm up 30 minutes Display image Crosshatch pattern Tolerances See Table 6 5 PROCEDURE Use the following procedure to correct minor dynamic edge misconvergence If after using this proced...

Page 24: ... AND BLUE BALANCE CONVERGENCE Figure 6 14 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 6 4 4 b VERTICAL RED AND BLUE BALANCE CONVERGENCE Figure 6 15 Vertical Line Balance Mis...

Page 25: ...utput circuits 7 1 1 No Picture Check signal cable connection H V Sync input Check Timing mode 14 30 55kHz 15 30 61kHz Check Cont Brit key all Max and Screen VR G2 Check key components of secondary part Q402 Q508 D515 D403 D408 D409 Q410 Rectifier diodes D615 D611 D608 D616 D617 IC101 Vcc GND Check key components of primary part FH601 TH602 D604 D607 IC602 OP601 Check SW211 Power key Does IC202 s ...

Page 26: ...03 D503 Check key components of secondary part Q402 Q508 D408 D403 D409 Q410 Rectifier diodes D615 D611 D608 D616 D617 IC101 Vcc GND Check and replace IC602 OP601 Refer to 7 2 1 No Power Refer to 7 2 3 No Raster and 7 2 12 High Voltage Failure Refer to 7 2 17 Micom Failure Refer to 7 2 13 I2C Failure ...

Page 27: ...V CH1 RMS 38 16 V 22 1 016 V CN202_2 3 CH1 P P 1 016 V CH1 RMS 174 4 mV WAVEFORMS 17 35 2 V SK103 G1 CH1 P P 35 2 V CH1 RMS 80 84 V 25 4 96 V IC202 30 CH1 P P 4 96 V CH1 RMS 350 mV Check signal cable connection H V Sync input Check Timing mode 14 30 55kHz 15 30 61kHz Check Cont Brit key all Max and Screen VR G2 7 1 4 Visible Retrace Is G2 voltage Screen VR OK Adjust Screen VR to 0 4 0 6F L back ra...

Page 28: ... mm Readjust Misconvergence Done Yes Change CRT and readjust Miconvergence and color No Refer to 7 2 17 Micom Failure No Are H V sync input on IC401 s Pins 1 and 2 Yes Check and replace IC401 Yes Check H V sync input line No Check and replace IC202 No WAVEFORMS 24 26 25 27 24 5 28 V IC202 30 CH1 P P 5 28 V CH1 RMS 1 218 V 25 4 96 V IC202 30 CH1 P P 4 96 V CH1 RMS 350 mV 26 5 48 V IC401 1 CH1 P P 5...

Page 29: ...the CRT Socket and connection OK Replace and connect it Check and replace CRT Yes Yes No 7 1 8 Purity Failure Degaussing Is purity OK Done No Yes IS degaussing circuit OK Refer to 7 2 19 Degaussing Failure Yes No Check if there is strong electric or magnetic fields near user s circumstance Recommend free electric or magnetic field No Yes Change CRT and readjust misconvergence and color ...

Page 30: ...Q508 D403 D408 D409 IC101 Q410 Yes Are D608 D611 D620 D615 D616 and D617 OK Replace it Check and Replace OP601 IC601 T602 Check and replace IC602 D614 R616 D619 D618 OP601 IC601 T602 No No Does rectified voltage 1 4 x AC input of primary part appear on C617 Check and replace FH601 TH602 D604 D607 Yes Yes No Is IC602 s Pin 1 OK No Yes Yes Is IC602 s Pin 5 OK Yes No Yes Does rectified voltage 1 4 x ...

Page 31: ...al generator Signal cable should be connected Yes Are there 5V on IC202 s Pin 7 sus and 0V on IC202 s Pin 8 off Check and replace IC202 Check and replace IC202 No Is OP201 OK Yes No No Yes 12 V Off Check and replace Q602 Q605 Q606 No Yes 6 3 V line Off Check and replace Q603 Q604 Done No Yes 7 2 2 DPMS Failure 7 2 2 a Off Mode No H V sync ...

Page 32: ... Yes No No Yes 12 V Off Check and replace Q602 Q605 Q606 No Yes Done 7 2 2 c Stand by Mode H sync No V sync OK Is LED blinking 0 5 sec toggle Check and replace OP201 Q201 Make sure that H sync is not and V sync is OK Signal cable should be connected Yes Are there 0V on IC202 s Pin 7 sus and 5V on IC202 s Pin 8 off Check and replace IC202 Check and replace IC202 No Is OP201 OK Yes No No Yes Is high...

Page 33: ...to 7 2 1 No Power No Yes Does oscillation waveform appear on IC401 s Pin 6 Check and replace C409 IC401 R406 No Yes WAVEFORMS 3 Does horizontal output waveform appear on IC401 s Pin 26 Check and replace Q403 T401 Q402 T501 Q508 No Yes 4 Is Q402 OK Replace it No Yes Is Q508 OK Replace it Check and replace D409 D408 D403 D515 Check and replace IC401 Q403 T401 D503 D505 D519 C440 C407 D216 Q203 T501 ...

Page 34: ...C424 Check and replace IC202 Yes Are Q406 and Q407 OK No Yes No Yes 31 36 36 41 41 50 50 61 S1 0 V 0 V 5 V 5 V S2 0 V 5 V 0 V 5 V Table 7 1 As CRT vendor and inch there are differential items like L401 C422 C423 C424 R426 R212 If you want to change a PCB board to another one that is for different CRT and inch you have to change differential items at schematic diagram Are code nomber and polarity o...

Page 35: ...nd replace Q408 Q409 L402 WAVEFORMS 8 8 1 12 V IC401 24 CH1 P P 1 12 V CH1 RMS 3 094 V Does PWM duty of IC202 s Pin 22 vary with different timings Low freq narrow duty High freq wide duty Check and replace IC202 and some parts around it Check if R444 and R434 are right as CRT differential items Adjust horizontal minium size with softjig Refer to 6 2 1 No Does the FBT B voltage on T501 s Pin 2 vary...

Page 36: ...y pressing tilt and or key Check and replace IC302 IC202 No No Does the output voltage of IC302 s Pin 1 vary pressing tilt and or key Check and replace IC302 13 V and 12 V line Check and replace CRT Yes Refer to 7 2 13 I2C Failure No Key check 7 2 19 7 2 9 Tilt Failure Check tilt connector CN303 Key check 7 2 19 WAVEFORMS 8 8 1 12 V IC401 24 CH1 P P 1 12 V CH1 RMS 3 094 V ...

Page 37: ... replace IC301 R312 R310 and some parts around it Check and replace IC401 Yes Is 8 V on IC401 s Pin 21 No Yes No Yes Refer to 7 2 13 I2C Failure 10 9 7 2 11 Invariable V_Size or V_Position Key check 7 2 18 Refer to 7 2 13 I2C Failure Does V_Out IC401 s Pin 23 vary pressing V_Size or V_Posi key Check and replace IC301 and some parts around it No Yes WAVEFORMS 10 50 8 V IC301 5 CH1 P P 50 8 V CH1 RM...

Page 38: ...D216 No Yes WAVEFORMS 13 11 Are D503 D505 D519 R508 R506 R530 Q203 D216 and D415 ok Check and replace it No Yes Does B_Out duty of IC401 s Pin 28 vary with different H_frequency and image load Full White or No Video Check and replace IC401 Q507 Q509 T501 and REG_IN line to IC401 s Pin 15 No Yes Check and replace Q507 Q509 IC401 T501 11 CH1 P P 5 12 V CH1 RMS 4 256 V 12 14 0 V IC401 28 CH1 P P 14 0...

Page 39: ...Is there data communication on IC401 s Pins 30 and 31 during I2C function H V Posi V_Size S_Pin Trap Cont Brit Check I2C data and clock line Check and replace I2C devices IC101 IC401 IC203 No Yes Done 14 14 7 2 13 I2C Failure Almost data Horizontal drive duty FBT B duty display image data color data is transferred from IC203 to IC101 and IC401 through I2C data line during power on After user adjus...

Page 40: ... s Pin 8 voltage vary between full white and No Video Yes No Check and replace D518 IC101 Are 12 V line R504 L504 Q501 and Q518 ok No Yes Replace it Are C509 D514 Q502 and Q506 ok No Yes Replace it Check and replace T501 and CRT Check and replace IC202 and around parts Replace R121 to higher or lower one that meets the spec Check connections between CN202 and CN202_2 7 2 14 ABL Failure Symptoms Fu...

Page 41: ...1 3 and 5 vary pressing cont brit key Replace IC102 Yes No Check and replace Q101R Q101G Q101B Q102R Q102G Q102B Q103R Q103G Q103B Refer to 7 2 18 Key Check Contrast Brightness I2C check 7 2 13 7 2 15 Invariable Contrast Brightness Control 15 16 WAVEFORMS 15 3 16 V IC101 21 CH1 P P 3 16 V CH1 RMS 1 008 V 16 43 2 V IC102 3 CH1 P P 43 2 V CH1 RMS 63 56 V ...

Page 42: ...it short between IC101 s Vcc and ground No Yes Check signal cable connection Check Cont Brit key All max Is G1 voltage OK at SK103 s G1 Pin Check and replace SK102 C119 Q504 D510 R513 R521 R520 D513 T501 Check CN103 s connection G2 No Yes WAVEFORMS 17 Desoldering SK101 and C118 is G2 voltage ok Check and replace SK101 C118 and then T501 No Yes Is 12 V on IC101 s Pins 1 and 7 No Check and replace I...

Page 43: ...y 6 3 V line G1 G2 line Is it ok Are there waveforms on SK103 s R G B Yes Disconnect Video PCB from CRT neck Yes No Replace IC101 7 2 16 No Video Continued Are ther waveforms on SK103 s R G B Check and replace SK103 and CRT No Yes Check and replace Q101R Q101G Q101B Q102R Q102G Q102B D103R D103G D103B and PCB pattern 19 WAVEFORMS 15 3 16 V IC101 21 CH1 P P 3 16 V CH1 RMS 1 008 V 16 43 2 V IC102 3 ...

Page 44: ...C or signal generator Are oscillation 8 MHz on IC202 s Pins 34 and 35 Check and replace X201 C205 C206 Yes No 7 2 17 Micom Failure Refer to 7 2 1 No Power Is 13 V on C627 No Is 5V on IC202 s Pins 9 and 35 No Cceck and replace R201 IC202 Signal cable When disconnecting signal cable Is 0V on IC202 s Pin 13 When connecting signal cable Is 5V on IC202 s Pin 13 No Are H V sync input on IC202 s Pins 29 ...

Page 45: ...le Sus Pin 7 0 V Off Pin 8 5 V No Refer to 7 2 13 I2C Failure Check signal cable Replace it Yes LED is ok No Yes Check PCB pattern to IC401 Replace IC202 Are H V sync input from IC202 on IC401 s Pins 1 and 2 No Yes Yes Yes Check D211 D215 Check PCB pattern to Pins 30 and 31 Yes Yes WAVEFORMS 24 5 28 V IC202 30 CH1 P P 5 28 V CH1 RMS 1 218 V 25 4 96 V IC202 30 CH1 P P 4 96 V CH1 RMS 350 mV 26 5 48 ...

Page 46: ... 39 Keyin3 40 Keyin2 42 Keyin1 1 2 Voltage Check of Keyin and Keyout Press the key what you want to check At that moment the voltage of keyin and keyout that is connected with together should be changed as follows 3 LED Check Pressing key LED should be blinked 4 How to Repair If only one key has a key problem replace that key But if some keys that are connected with same keyin or keyout line have ...

Page 47: ...to 7 2 18 Key Check Refer to 7 2 18 Key Check Yes No When pressing cont and brit key simultaneously does the voltage of IC202 s Pin 6 vary from 0 V to 5 V for 2 3 seconds Refer to 7 2 18 Key Check Check if degaussing coil is connected with CN601 Check and replace Q601 D602 R602 RL602 No Yes Check and replace degaussing coil 7 2 20 Degaussing Failure ...

Page 48: ...ok Replace it Yes No Symptoms Dark image and if shifting image to left or right side image is rolled Raster left or right side is rolled Does G1 voltage vary from 60 80 Vrms to 200 Vrms during power off time After falling down to 200V G1 voltage is slowly increased to 0V Check and replace CRT No Yes 32 31 Are 12 V line and Q504 ok Replace it Check and replace D510 R513 R521 R520 C518 Yes No WAVEFO...

Page 49: ...80 20 50V Y5V 2 3X3 0 C104G 323 8 216 0 2202 002009 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V 2 3X3 0 C104R 323 8 228 3 2202 002009 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V 2 3X3 0 C106B 323 5 141 3 2401 000043 C AL 1uF 20 160V GP 6 3x11mm 5mm T C106G 324 0 187 3 2401 000043 C AL 1uF 20 160V GP 6 3x11mm 5mm T C106R 315 0 186 8 2401 000043 C AL 1uF 20 160V GP 6 3x11mm 5mm T C107 258 0 229 8 2305 00000...

Page 50: ...309 102 5 54 0 2201 000013 C CERAMIC DISC 470pF 10 50V Y5P 4x3 5 5 TP C310 106 5 56 5 2301 000012 T 100V 222J CAP MYLAR 222J 2A 5P C311 101 5 50 1 2301 000015 C FILM PEF 10nF 5 100V 7x3 2x7mm 5mm TP C312 2305 000001 C FILM MPEF 470nF 10 63V TP 6 0X15 5X7 TILT OPTION C401 49 0 142 3 2401 000027 C AL 4 7uF 20 50V GP 5x11mm 5mm TP C402 54 0 143 3 2305 000280 C FILM MPEF 220nF 10 63V TP 7 5x13 5mm C40...

Page 51: ... 3X3 0 C501 92 5 167 0 2202 002009 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V 2 3X3 0 C502 103 0 147 3 2401 000966 C AL 22uF 20 50V GP 6 3x11mm 5mm T C503 191 0 136 3 2201 000017 C CERAMIC DISC 1nF 10 50V Y5P 4x3 5 5 TP C504 85 5 174 5 2202 002009 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V 2 3X3 0 C505 110 8 159 3 2305 000004 C FILM MPEF 220nF 10 100V 12 7x16 5mm TP C506 77 3 31 0 2401 000050 C AL 10uF ...

Page 52: ...7 5 TP CN102 265 0 179 5 BH71 40300A PIN HINGE BRASS D2 36 SN HEAT SINK CN103 317 5 161 3 BH71 40300A PIN HINGE BRASS D2 36 SN HEAT SINK CN201 224 0 115 8 3711 003895 CONNECTOR HEADER BOX 13P 1R 2mm STRAIGHT SN CN202 224 0 124 3 BH39 40365H CBF HARNESS 15P 200MM WHT BLK RED BLU UL10 CN301 118 5 184 5 BH71 40300A PIN HINGE BRASS D2 36 SN HEAT SINK CN302 118 5 176 5 BH71 40300A PIN HINGE BRASS D2 36...

Page 53: ...6 3 150 8 0401 000006 DIODE SWITCHING BAV21 200V 250mA 400mW 50nS DO D505 96 3 156 3 0401 000006 DIODE SWITCHING BAV21 200V 250mA 400mW 50nS DO D507 213 0 156 5 0401 000005 75V 150MA 1V 10MA DIODE SIG 1N4148 DO 35 D509 210 5 156 5 0401 000005 75V 150MA 1V 10MA DIODE SIG 1N4148 DO 35 D510 217 5 183 0 0402 000006 DIODE RECTIFIER 1N4007GP 1000V 1A DO 41 D513 212 8 137 8 0401 000006 DIODE SWITCHING BA...

Page 54: ... AMP 334 DIP 8P 300MIL DUAL PLAST TILT OPTION IC401 40 0 146 8 1204 001231 IC DEF PROCESSOR TDA9109 DIP 32P 300MIL PLASTIC IC601 181 8 9 5 1203 000002 TO 92 3 36V T SIMPLE IC LIN 431 REGULATOR IC602 246 0 38 0 BH13 10335J IC HYBRID CKA5227 KA2S0680 SIP 5P FET CO IC603 46 8 8 3 1203 000001 IC POSI ADJUST REG 7805 TO 220 3P PLASTIC 4 8 5 IS601 303 3 29 0 3721 001006 PLUG AC POWER 3P 10 24mm SN L101B...

Page 55: ...0501 000303 TR SMALL SIGNAL KSA733 Y PNP 250mW TO 92 120 Q507 101 5 177 8 0501 000586 0 25W 60V 50V 5V 0 15A TR NPN KSC945 TO 92 EBC Q508 109 3 150 0 0505 000011 FET SILICON IRF630 N 200V 9A 0 4ohm 75W Q509 101 5 173 0 0501 000303 TR SMALL SIGNAL KSA733 Y PNP 250mW TO 92 120 Q510 201 5 132 5 0501 000122 TR SMALL SIGNAL 2N3904 NPN 625mW TO 92 100 3 Q601 267 3 117 5 0501 000586 0 25W 60V 50V 5V 0 15...

Page 56: ... 390ohm 5 1 6W AA TP 1 8x3 2mm R121 315 5 135 4 2001 000108 R CARBON 18Kohm 5 1 8W AA TP 1 8x3 2mm R201 52 0 32 0 2001 000067 REF CF 10K 5 1 6W 150V 1300 TO 350PPM C R AXIAL R202 40 3 72 0 2001 000097 R CARBON 1Mohm 5 1 6W AA TP 1 8x3 2mm R210 39 5 104 3 2001 001070 R CARBON S 120ohm 5 1 2W AA TP 2 4x6 4mm R211 35 5 101 8 2001 000051 R CARBON 2 7Kohm 5 1 6W AA TP 1 8x3 2m R212 49 5 31 5 2001 00056...

Page 57: ...05 92 3 68 0 2001 000059 REF CF 5 6K 5 1 6W 150V 1300 TO 350PPM C R AXIAL R306 92 3 70 5 2001 000067 REF CF 10K 5 1 6W 150V 1300 TO 350PPM C R AXIAL R309 125 5 35 5 2001 000245 REF CF 1 5 5 1 2W 350V 350 TO 350PPM C R AXIAL R310 131 8 62 8 2001 000037 R CARBON S 330ohm 5 1 2W AA TP 2 4x6 4mm R311 120 8 55 0 2004 001022 REF MF 5 6K 1 1 4W 250V 100 TO 100PPM C R AXIAL R312 123 5 73 8 2004 004230 R M...

Page 58: ...RBON 15Kohm 5 1 8W AA TP 1 8x3 2mm 14 R435 160 8 141 5 2001 000053 R CARBON 3 3Kohm 5 1 6W AA TP 1 8x3 2m R437 55 5 161 0 2001 000067 REF CF 10K 5 1 6W 150V 1300 TO 350PPM C R AXIAL R438 74 0 114 3 2001 000083 R CARBON 82Kohm 5 1 6W AA TP 1 8x3 2mm R439 16 5 88 8 2001 000868 R CARBON 56ohm 5 1 6W AA TP 1 8x3 2mm R440 16 5 91 3 2001 000868 R CARBON 56ohm 5 1 6W AA TP 1 8x3 2mm R442 78 0 143 0 2001 ...

Page 59: ... R542 219 8 144 8 2001 000064 R CARBON 7 5Kohm 5 1 6W AA TP 1 8x3 2m R543 178 5 138 5 2001 000074 R CARBON 33Kohm 5 1 6W AA TP 1 8x3 2mm R544 102 5 102 0 2001 000051 R CARBON 2 7Kohm 5 1 6W AA TP 1 8x3 2m R546 181 8 228 5 2001 000067 REF CF 10K 5 1 6W 150V 1300 TO 350PPM C R AXIAL R602 277 3 114 5 2001 000027 R CARBON 100ohm 5 1 4W AA TP 2 4x6 4mm R603 267 3 114 3 2001 000056 REF CF 4 7K 5 1 6W 15...

Page 60: ...0G MECHANIC SW204 7 0 147 5 3404 000244 SWITCH TACT 7 3X7 1X4 12V 50MA SPST 160G MECHANIC SW205 7 0 104 4 3404 000244 SWITCH TACT 7 3X7 1X4 12V 50MA SPST 160G MECHANIC SW206 7 0 90 4 3404 000244 SWITCH TACT 7 3X7 1X4 12V 50MA SPST 160G MECHANIC SW207 7 0 76 4 3404 000244 SWITCH TACT 7 3X7 1X4 12V 50MA SPST 160G MECHANIC SW208 7 0 62 4 3404 000244 SWITCH TACT 7 3X7 1X4 12V 50MA SPST 160G MECHANIC S...

Page 61: ...30017M ASSY PCB CHA4227L EDC EUROPE BH94 30016Q ASSY PCB CHA5807BR2 BRD SEDA BRAZIL BH94 30016P ASSY PCB CHA5807KR1 KRS KOREA BH94 30017N ASSY PCB CHA5227L1A EDC EUROPE BH94 30017T ASSY PCB CHA5227T EDC EUROPE BH94 30014Y ASSY PCB CHA5807L1B SEASA ARGENTINA BH94 30016T ASSY PCB CHA5807L SEAO KAZAKHSTAN B D ASS Y CODE BH98 10014L ASSY PCB MAIN CHA4217L1B SEASA ARGENTINA BH98 10015Y ASSY PCB MAIN CH...

Page 62: ...9 Electrical Parts List 9 14 CHA42 7L 5 7L Memo ...

Page 63: ...945 AC INLET SOCKET IS601 FEED BACK OP601 LTV817 IC601 TL431 POWER OFF CONTROL Q603 KSB1116 Q604 KSC945 H OSC V OSC IC401 TDA9109 H DRIVE Q403 T401 KSC2331 TO D COIL ON THE CRT M DEGAUSS FROM Micom M A I N B O A R D SUSPEND CONTROL Q602 KSC945 45V H V SCREEN FOCUS H V SYNC Micom IC202 KS8896116N SIZE POSITION GD DEGAUSS RECALL D SUB RGB VIDEO MAIN AMP LM2409 VIDEO OUTPUT RGB CUTOFF CONTROL 13V 5V ...

Page 64: ...Memo 10 Block Diagrams 10 2 CHA42 7L 5 7L ...

Page 65: ... 16 GND 75 V GND 75 V FBT CN103 CRT SOCKET GND CN102 GND 14 only GND 14 only CRT NC AC AC GND ACINPUT ACINPUT 1 2 3 NC AC AC 1 2 3 1 2 3 ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ ÀÀÀÀÀÀÀÀÀÀ QQQQQQQQQQ QQQQQQQQQQ QQQQQQQQQQ...

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