Casio KX-724B Service Manual & Parts List Download Page 1 | Manualshive

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R

QV-30

(B)

(KX-724B)

APR. 1996

(without price)

(For NTSC)

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Summary of Contents for KX-724B

Page 1: ...R QV 30 B KX 724B APR 1996 without price For NTSC...

Page 2: ...ATIONS 1 BLOCK DIAGRAM 2 CIRCUIT OPERATIONS 3 COLOR ADJUSTMENT 13 ADJUSTMENT 15 TROUBLESHOOTING 18 DISASSEMBLY 19 ASSEMBLY 21 PRINTED CIRCUIT BOARDS 23 EXPLODED VIEW 25 PARTS LIST 26 SCHEMATIC DIAGRAM...

Page 3: ...65 cm f 9 0 mm F8 NORMAL 120 cm y f 9 0 mm F8 MACRO 40 cm 95 cm 10 Light Metering TTL center point by photographic element 11 Exposure Metering Aperture priority AE 12 Exposure Range EV 5 to 18 13 Ex...

Page 4: ...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 this ter...

Page 5: ...A D Converter Timing Generator 4 IC801 CPU Data Bus D RAM 1 Lens Concentrates light rays to a point 2 Color filter The striped color filter in front of the CCD detector is used to provide color inform...

Page 6: ...Generates the clock pulse for the CCD 8 bit AD converter Analog signal from the CCD is converted into 8 bit digital signal of the luminance and the color difference B Y and R Y signal Sample Hold AGC...

Page 7: ...Microprocessor controls the CCD D RAM Flash Memory and key operation Gate array compresses data for the color and the luminance from the CCD to increase the number of memory and up to 96 images can b...

Page 8: ...tion interface x2channel 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...

Page 9: ...AS 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 outer memory hig...

Page 10: ...puter 109 110 PB10 PB11 IN OUT Port B 111 PB12 Not used 112 PB13 Not used Data Compressor The color difference and the luminance data is compressed about 1 7 to increase the numer of images in memory...

Page 11: ...8 pin 89 pin KEY 0 KEY 1 KEY 2 KEY PCB Key Matrix VOLTAGE BUTTON RESISTOR KEY MATRIX CPU VCC3 1 Shutter R900 1 8K KEY0 87pin VCC3 1 R901 15K KEY0 87pin VCC3 1 MODE R902 1 8K KEY1 88pin VCC3 1 DISP R90...

Page 12: ...COM DRIV BGP GEN 10 12 9 27 24 26 VEE VCC1 GND VCC2 VEE 25 7 6 29 33 31 2 5 4 3 1 48 47 43 30 44 45 46 40 28 Vref 18 15 19 20 21 22 16 11 17 14 13 23 35 32 34 36 Terminal Voltage Purpose VCC2 4 3 4 7...

Page 13: ...counter 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 OU...

Page 14: ...hen electric charges are stored in the picture element of A After the period of t1 T1 is turned off and voltage in the LCD layer of A is held until next gate pulse comes but it drops little by little...

Page 15: ...for the color adjustment 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 30 support utility disk Color adjustment utility ADJ724...

Page 16: ...n on the light box 3 Put the QV 30 with its lens toward the light source Color filter LBA 3 Light box Handy 5000 4 Execute ADJ724 EXE on MS DOS Type ADJ724 and press Enter The message WAIT appears on...

Page 17: ...Regulated power supply Vcom adjustment Patern generator Oscilloscope Regulated power supply Photo sensor amp Band pass filter Free running Frequency Pattern generator Oscilloscope Regulated power supp...

Page 18: ...on Adjustment Procedure Input Input Input Output Output Connection Point Signal Connection Point Adjust Result Adjust for 4 50 0 02 V reading on voltmeter VR100 Voltmeter CP108 VBL Voltage Setting Adj...

Page 19: ...H M L Set Photo diode Oscilloscope 60Hz Band pass filter Photo sensor amp Input Input Input Output Output Connection Point Signal Connection Point Adjust Result VR302 Adjust for ripple at minimum Phot...

Page 20: ...TING No Display 1 Check the slide switch on the key PCB 2 Check the fuse FU500 on the digital PCB 3 Check the fuse FU100 on the linear PCB 4 Check the jack JK500 on the digital PCB 5 Check the flat ca...

Page 21: ...ery cover Then remove the upper case at the bottom of the unit 3 Then remove the upper case at the top of the unit 4 Be careful not to lose the switch knob Switch knob Hook To disassemble the main uni...

Page 22: ...individual parts of the camera unit are replaced and it can be done only at our factory Except for the replacing the outer case 4 Unhook and remove the lens and CCD unit from the outer case as shown i...

Page 23: ...itch Switch knob To assemble the main unit 1 Be sure to align the slide switch on the linear PCB with the switch knob 2 Be sure to align the slide switch on the key PCB with the switch knob 3 Push har...

Page 24: ...the lever to TELE 2 Be sure to align the lever of the outer case with the knob of the lens 3 Confirm if the lens is switched by the lever 4 Be sure to align the switch knobs of the cover with the swi...

Page 25: ...C129 L103 R120 Q100 Q101 Q150 IC150 IC400 IC101 Q102 CN400 D106 D104 C110 C305 C311 C312 C310 L300 C317 R313 C316 R306 C309 C322 C307 C303 R301 R300 C300 R301 R320 C333 R328 R321 C327 R421 R420 R424...

Page 26: ...L700 Q701 Q700 C707 R705 C713 IC702 L540 L740 R614 IC603 Q612 D602 R617 C609 D601 D603 IC703 L501 Q510 IC500 IC502 Q511 C507 VR500 D502 D501 L503 D503 C506 C512 L502 C513 D500 IC503 D505 C703 C721 C6...

Page 27: ...25 2 3 4 7 1 10 9 26 5 6 12 13 14 17 16 15 18 19 20 22 21 23 24 25 27 27 27 27 27 27 27 11 27 26 27 27 11 1 23 1 25 1 25 2 25 4 25 5 25 6 25 3 8 28 28 26 EXPLODED VIEW...

Page 28: ...01 2114 3150 IC MB3776APNF EF 1 C IC150 2105 3990 IC TC7S02F TE85L 1 C IC300 2114 3633 Linear IC IR3P90Y 1 1 C IC400 2011 8337 LSI MSM6770GS VK 675 F 1 C Transistors Q100 2253 0308 Chip transistor 2SD...

Page 29: ...1 C IC604 2105 4214 LSI RN5VL38AA TR 1 C IC700 2011 9457 LSI HG51B167FB 1 C IC701 2011 9464 LSI HM538123BJ8 1 C IC702 2105 5663 IC TC7S66F TE85L 1 C IC703 2114 2093 Linear IC MM1031XMR 1 C Jacks JK500...

Page 30: ...0882 Switch SKHUPD T 1 C SW902 3412 0882 Switch SKHUPD T 1 C SW903 3412 0882 Switch SKHUPD T 1 C SW904 3412 0882 Switch SKHUPD T 1 C SW905 3412 0882 Switch SKHUPD T 1 C SW906 3412 0882 Switch SKHUPD...

Page 31: ...A C441170 1 1 X 16 6609 7440 Badge A K720 K440063 1 1 X 17 6611 0790 Lower case K724AAA C140276 1 1 X 18 6611 0810 Shutter button K724AAA C340698 1 1 X 19 6611 0800 DEL button K724AAA C340697 1 1 X 20...

Page 32: ...Quantity used per unit R Rank Item Code No Parts Name Specification Q R 29 5860 8085 Wrist strap ST3 340A 1 X 30 6608 9210 Cleaning cloth A K613 K412004 1 1 X 31 1014 8773 Video cable C K723 FC 1 X 3...

Page 33: ...C302 GR39Y5V103Z50PT C518 GR39Y5V104Z25PT C708 GR39Y5V104Z25PT C303 GR39Y5V103Z50PT C519 GR39Y5V104Z25PT C709 GR39W5R102K50PT C304 GR39Y5V103Z50PT C520 GR39Y5V104Z25PT C710 GR39Y5V104Z25PT C305 ECST0J...

Page 34: ...14 ERJ 3GEYJ270V R120 ERJ 14YJ331U R429 ERJ 3GEYJ101V L615 ERJ 3GEYJ270V R121 ERJ 3GEYJ333V R500 ERJ 3GEYF333V L616 ERJ 3GEYJ270V R140 ERJ 3GEYJ102V R501 ERJ 3GEYF821V L617 ERJ 3GEYJ270V R141 ERJ 3GEY...

Page 35: ...705 ERJ 3GEYJ153V R706 ERJ 3GEYJ153V R707 ERJ 3GEYJ561V R708 ERJ 3GEYJ102V R709 ERJ 3GEYJ102V R711 ERJ 3GEYJ472V R713 ERJ 3GEYJ473V R714 ERJ 3GEYJ680V R715 ERJ 3GEYJ103V R716 ERJ 3GEYJ470V R750 ERJ 3G...

Page 36: ...35 SCHEMATIC DIAGRAM LINEAR Display Controller Chroma IC 2 8 9 1 3 4 5 7 6 10 To LCD To Back Light To Digital PCB Power Supply for Back Light Power Supply for LCD...

Page 37: ...36 DIGITAL 14 Gate Array CPU DC in To Key PCB To Linear PCB Power Supply Circuit D RAM Flash Memory V RAM To Camera Unit To Camera Unit Digital Out Video Out 13 12 11...

Page 38: ...37 KEY Battery To Digital PCB...

Page 39: ...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 63 5 sec 63 5 sec 63...

Page 40: ...MA0500361A...

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