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Casio KX-723C, Service Manual & Parts List

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Casio KX-723C Service Manual & Parts List Download Page 17

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Adjustment and Test Point Locations

Top  View

Item

Measuring Instrument

VCC2 voltage setting

Voltmeter, Regulated power supply

VBL voltage setting

Voltmeter, Regulated power supply

Vcom adjustment

Pattern generator, Oscilloscope, Regulated power supply,
Photo sensor amp., Band pass filter

Free-running Frequency

Pattern generator, Oscilloscope, Regulated power supply

adjustment

Bright and Contrast adjustment

Pattern generator, Oscilloscope, Regulated power supply

Color adjustment

IBM PC, Cable for LK-1, Light source, Color filter,
Color adjustment program

TP301

VR303

VR302

TP410

TP412

VR300

TP107

VR100

TP110

VR101

VR400

VR304

ADJUSTMENT

LINEAR PCB
Items to Be Adjusted

Summary of Contents for KX-723C

Page 1: ...R QV 10A C KX 723C APR 1996 without price For PAL...

Page 2: ...ATIONS 1 BLOCK DIAGRAM 2 CIRCUIT OPERATIONS 3 COLOR ADJUSTMENT 13 ADJUSTMENT 15 TROUBLESHOOTING 18 DISASSEMBLY 19 ASSEMBLY 20 PRINTED CIRCUIT BOARDS 21 EXPLODED VIEW 23 PARTS LIST 24 SCHEMATIC DIAGRAM...

Page 3: ...ter 10 Light Metering TTL center point by photographic element 11 Exposure Metering Aperture priority AE 12 Exposure Range EV 5 to 18 13 Exposure Adjustment 2 EV to 2 EV 14 Shutter System Electronic 1...

Page 4: ...ressed data stores image in memory 3 Linear PCB It generates the tricolor and controls the LCD display 4 LCD 61 380 pixel 1 8 inch Thin Film Transistor low glare color LCD 5 VIDEO OUT Video I O Use th...

Page 5: ...color signal D0 D7 IC800 Driver VI1 VI4 VS1 VS4 PHI1 PHI4 PHS1 PHS4 MCK HRS2 FTTRG STTRG CCODE ENDFLG 3 IC802 CCD Sample Hold AGC CCD IN 8bit A D Converter Timing Generator 4 IC801 CPU Data Bus D RAM...

Page 6: ...08 H x 492 V PHIS1 PHIS4 Clock pulse for the storage PHI1 PHI4 Clock pulse for the image pickup PHIH1 PHIH2 Clock pulse for the horizontal shift register PHIR CCD analog signal output D0 D7 Digital si...

Page 7: ...coder VIDEO OUTPUT Video I O Amp Data Compre ssor 3 IC701 4 IC602 6 Digital PCB is composed Microprocessor IC600 D RAM IC601 Flash Memory IC602 Gate Array IC700 and V RAM IC701 Microprocessor controls...

Page 8: ...l 16 bit integrated timer pulse unit Programmable timing pattern controller A D converter Timer Port B Port A Address Port C A15 A0 AD15 AD0 CS3 CS0 A21 A16 PA15 PA0 PC7 PC0 PB0 PB15 Reset MD2 MD0 EXT...

Page 9: ...54 RAS OUT RAS Row Address Strobe signal for D RAM 55 CS6 OUT Chip select signal 56 WAIT Not used 57 WR OUT Write enable signal for outer memory low order 8 bit 58 PA5 OUT Write enable signal for out...

Page 10: ...uminance data are mixed internally to make the video signal and send it to the linear PCB and the video out terminal Pin No Terminal Name IN OUT Function 83 84 VCC IN Power source 85 86 AVCC AVREF IN...

Page 11: ...turn camera power off If batteries go dead simply load a set of new batteries or connect the AC adaptor and you will be able to view images in camera memory Memory Map Header record Image data Max 96...

Page 12: ...p Bright AGC AMP Picture quality ADJ AGC DET INV INV corrector SWP GEN COM DRIV BGP GEN 9 11 8 30 27 6 7 36 32 33 25 24 5 1 20 4 3 2 51 50 44 45 34 46 47 48 41 31 Vref 17 14 18 21 22 23 15 10 16 13 12...

Page 13: ...PDM D A SYNC SEP SYNC DET Analog control ADJ OSC SYF PD MCLK TSI1 TSI2 TSI3 TSI4 TSI5 TSI6 VDB FRP HCNT AMUTEB CSYNC VMUTEB VLB TUPCM 34 SW VBAR UBAR 39 AFTO 46 VREF 45 U1 44 VH1 43 VL1 41 OUT U V Te...

Page 14: ...des and source electrodes and no effect is given to the liquid crystal If the gate pulse is applied to Y1 the transistorT1 is in operation during a priod of t1 and voltage of source electrode of Va is...

Page 15: ...ustment PC IBM PC AT or compatible RS 232C serial port 4 MB RAM minimum 8 MB recommended Microsoft MS DOS Ver 3 1 or later QV 10A support utility disk Color adjustment utility ADJ723 EXE ADJ723 EXE wi...

Page 16: ...urce and turn on the light box 3 Put the QV 10A with its lens toward the light source Color filter LBA 3 Light box Handy 5000 4 Execute ADJ723 EXE on MS DOS Type ADJ723 and press Enter The message WAI...

Page 17: ...ulated power supply Photo sensor amp Band pass filter Free running Frequency Pattern generator Oscilloscope Regulated power supply adjustment Bright and Contrast adjustment Pattern generator Oscillosc...

Page 18: ...put Connection Point Signal Connection Point Adjust Result Adjust for 4 50 0 02 V reading on voltmeter VR100 Voltmeter TP107 VBL Voltage Setting Adjust for 5 0 0 05 V reading on voltmeter Vcom Adjustm...

Page 19: ...ss the self timer and the DEL button at a time 3 Press or to select the BLACK 4 Press the shutter button 5 Place a photo diode on the middle of the display Input Input Input Output Output Connection P...

Page 20: ...Check the camera unit Defect of the Camera Unit The camera unit must be replaced with whole unit when it is defective because the precise adjustment is required when the individual parts of the camera...

Page 21: ...19 DISASSEMBLY 1 Remove the two screws on the bottom of the unit 1 1 2 Rotate the camera unit then remove the two screws on the side of the unit 3 Remove the upper case at the top of the unit 2 2...

Page 22: ...sure to align the slide switch on the linear PCB with the switch knob Upper case Switch knob Back light Linear PCB Slide switch 2 Be sure to align the slide switch on the key PCB with the switch knob...

Page 23: ...101 R420 Q401 R100 R421 C339 C328 R336 C329 R312 C302 C323 L302 C324 L301 1 1 1 1 R410 R412 R423 R409 R408 R422 R426 R425 C408 R401 R402 R411 C405 R400 R142 R140 R141 C141 L401 R112 R121 R110 R111 D10...

Page 24: ...R705 C707 R707 C713 IC702 C715 C609 D601 R614 L600 D603 R617 L735 R713 C617 R714 L734 L540 D501 D503 C507 D502 IC503 R508 R507 C514 C513 IC602 L740 IC703 D506 Q501 Q502 IC502 D505 L700 D500 VR500 IC70...

Page 25: ...23 EXPLODED VIEW 8 1 1 2 3 4 5 6 7 8 9 11 10 12 13 14 15 17 18 19 20 16 22 23 24 25 21 26 21 21 9 2 20 2 9 1 19 1 19 2 19 3 20 1 20 3 20 1 2 20 1 1 20 1 3 21 21 19 4 19 5...

Page 26: ...150 IC MB3776APNF EF 1 B IC150 2105 3990 IC TC7S02F TE85L 1 B IC300 2114 3479 Linear IC IR3P96 1 1 B IC400 2011 8337 LSI MSM6770GS VK 675 F 1 B Transistors Q100 2253 0308 Chip transistor 2SD1119 R TX...

Page 27: ...6437034F16 SK09F 1 C IC601 2011 9436 LSI HM514800ALJ8 1 C IC602 2012 0077 LSI TC5816FT 1 1 C IC603 2105 1414 CMOS IC TC7S04F TE85L 1 C IC604 2105 4214 LSI RN5VL38AA TR 1 C IC700 2011 9457 LSI HG51B167...

Page 28: ...6610 8720 Lower case A K723 K110737 3 1 X 13 6609 7440 Badge A K720 K440063 1 1 X 14 6610 8610 R button A K723 K211171 2 1 X 15 6610 8620 T button A K723 K340072 2 1 X 16 6610 8730 Switch button A K72...

Page 29: ...Specification Q R 27 5860 8085 Wrist strap ST3 340A 1 X 28 6608 9210 Cleaning cloth A K613 K412004 1 1 X 29 1014 8773 Video cable VC K723 FC 1 X 30 1014 7835 Soft case SC 720 1 X Notes Q Quantity use...

Page 30: ...76R C540 16CV220GX H300 HC 49 U S A C306 GR39Y5V104Z25PT C541 25CV100GX H700 HC 49 U S F C307 ECST1CX106R C542 16CV220GX L100 CD43 220MC T C309 TESVSP1A105M8R C543 16CV220GX L102 NLC322522 101K TP C31...

Page 31: ...BK1608HM601 T R410 ERJ 3GEYJ682V R631 ERJ 3GEYJ270V L729 BK1608HM601 T R411 ERJ 3GEYF224V R632 ERJ 3GEYJ270V L730 BK1608HM601 T R412 ERJ 3GEYF224V R633 ERJ 3GEYJ270V L731 BK1608HM601 T R413 ERJ 3GEYJ...

Page 32: ...3GEYJ103V R905 ERJ 3GEYJ273V R906 ERJ 3GEYJ182V R907 ERJ 3GEYJ153V R908 ERJ 3GEYJ102V R909 ERJ 3GEYJ102V R910 ERJ 3GEYJ102V VR100 EVM 1XSX50B53 VR101 EVM 1XSX50B14 VR300 EVM 1XSX50B24 VR302 EVM 1XSX50...

Page 33: ...31 SCHEMATIC DIAGRAMS LINEAR 8 9 10 5 2 1 4 3 6 7...

Page 34: ...32 DIGITAL 12 14 13 11...

Page 35: ...33 KEY...

Page 36: ...34 A IC500 pin 5 Switch to the REC position B T500 pin 1 Switch to the REC position C T500 pin 5 Switch to the REC position D T500 pin 8 Switch to the REC position 6 sec 6 4 sec 6 sec 64 sec 64 sec 64...

Page 37: ...MA0500461A...

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