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Related Manuals for Casio QV-300 (B)
Summary of Contents for Casio QV-300 (B)
- Page 1 (without price) QV-300 (KX-727B) (For NTSC) NOV. 1996...
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Page 2: Table Of Contents
CONTENTS SPECIFICATIONS ..................1 BLOCK DIAGRAM ..................2 FLOW DIAGRAMS ..................3 POWER SUPPLY CIRCUIT OPERATION ............. 5 TROUBLESHOOTING ................... 8 DISASSEMBLY ....................9 ASSEMBLY ....................11 PRINTED CIRCUIT BOARDS ..............13 EXPLODED VIEW ..................15 PARTS LIST ....................16 SCHEMATIC DIAGRAMS ................ -
Page 3: Specifications
SPECIFICATIONS Item Specification 1. Recording System Digital (JPEG based) 2. Signal System NTSC 3. Recording Medium Built-in 32-Mbit flash memory 4. Number of Memory Pages FINE(VGA) : 64 (approximately 480-kbit compressed) NORMAL(Quarter-VGA) : 192 (approximately 160-kbit compressed) 5. Delete Functions Single page;... -
Page 4: Block Diagram
BLOCK DIAGRAM Camera Unit Digital PCB IC702 IC701 µPD6461GS Lens µPD482445LGW converter On screen 4Mbit VRAM display Video VRAM encoder contoroller IC703 LC99092-Z03 8 bit to 16 bit Video out converter converter Color processor Data Linear PCB compressor expander IC700 HG51D291FE IC300 IR3P90Y1... -
Page 5: Flow Diagrams
FLOW DIAGRAMS REC mode IC703 IC700 Converter LC99092-Z03 HG51D291FE Camera Unit IC701 µPD482445LGW IC602 KM29V32000T IC600 HD6437042Y03F IC601 HM51W4260 Digital PCB 1 Exposure and Analog to Digital conversion by Camera unit 2 8 to 16 bits conversion by IC703 3 Storage for work 4 Color processing by IC703: Ye,Cy, Gr →... - Page 6 1 Exposure and Analog to Digital conversion by Camera unit 2 8 to 16 bits conversion by IC703 3 Storage for work 4 Color processing by IC703: Ye, Cy, Gr → Y, By, Ry 5 Storage for work 6 Compression by IC700 7 Storage for work 8 Storage to Flash memory PLAY mode...
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Page 7: Power Supply Circuit Operation
POWER SUPPLY CIRCUIT OPERATION 2 APO from Pin 42 of IC600 VCC1 R515 Q514 IC507 FU500 R516 C523 C548 C531 6 Voltage detection signal VCC3-1 VCC1 C520 3 POB to Pin102 Q503 of IC600 R511 R512 CN601 Q513 KEY0 R513 KEY2 1 PON from Key PCB... - Page 8 Operation IC505 NAND gate IC506 Flip-flop IC507 Voltage detector Pin 2 (VDD) Pin 1 (OUT) > 3.2 V < 3.2 V Time Chart Power on Power off H (VCC1) H (VCC1) 1. PON 1. PON 2. APO 2. APO H (VCC3) H (VCC3) 3.
- Page 9 Power off by APO Power off by low voltage detection H (VCC1) H (VCC1) 1. PON 1. PON H (VCC3) 2. APO 2. APO H (VCC3) H (VCC3) 3. POB 3. POB 4. FACT 4. FACT H (VCC1) H (VCC1) 5.
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Page 10: Troubleshooting
TROUBLESHOOTING No Display 1. Check the fuse (FU500) on the digital PCB. 2. Check the fuse (FU100) on the linear PCB. 3. Check the jack (JK500) on the digital PCB. 4. Check the power switch (SW900) on the key PCB. 5. -
Page 11: Disassembly
DISASSEMBLY To disassemble the main unit 1. Rotate the camera unit then remove the two screws on the side of the unit. 2. Remove the two screws on the bottom of the unit and the battery cover. Then remove the upper case at the bottom of the unit. - Page 12 To disassemble the camera unit Note: 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 unit are replaced, and it can be done only at our factory.
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Page 13: Assembly
ASSEMBLY To assemble the main unit Slide switch 1. Be sure to align the slide switch on the linear PCB with the switch knob. Switch knob 2. Be sure to align the slide switch on the key PCB with Switch knob the switch knob. - Page 14 To assemble the main unit 1. Be sure to turn the lever to "TELE". 2. Be sure to align the lever of the outer case with the knob of the lens. Knob Lever 3. Confirm if the lens is switched by the lever. Lens Lever 4.
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Page 15: Printed Circuit Boards
PRINTED CIRCUIT BOARDS LINEAR L303 VR301 C120 H300 C307 C121 C123 C321 C318 R335 R316 C303 D103 C322 C301 C125 R319 R318 C300 R301 R421 R110 VR100 Q401 R121 R111 C111 C112 R420 R114 IC100 C144 C101 C110 R403 R430 C409 C150 D105... -
Page 16: Top View
DIGITAL CN601 L540 R521 L740 L502 C548 C540 C731 C730 C537 C541 R625 R626 IC703 C546 C542 L503 C544 C629 R607 C625 D600 R605 C551 R606 C613 Q610 C630 IC701 R515 Q514 C518 IC507 IC505 IC504 CN600 C522 C534 C531 C527 Top View R523... -
Page 17: Exploded View
EXPLODED VIEW 27-1 27-2 27-3 27-4 27-5 27-6 25-1 12-1 — 15 —... -
Page 18: Parts List
PARTS LIST LINEAR PCB ASS'Y Item Code No. Parts Name Specification Diodes D101 7101 1194 Chip diode MA111-(TX) D102 2390 1379 Schottoky diode MA729-(TX) D103 2390 1379 Schottoky diode MA729-(TX) D104 7101 1194 Chip diode MA111-(TX) D105 2390 1379 Schottoky diode MA729-(TX) D106 2360 2359 Chip zener diode... - Page 19 DIGITAL PCB ASS'Y Item Code No. Parts Name Specification Diodes D500 2390 2268 Chip diode MA727-(TX) D501 2360 1876 Chip zener diode MA8100-M(TX) D502 2390 1379 Schottoky diode MA729-(TX) D503 7101 1194 Chip diode MA111-(TX) D504 2390 2261 Chip diode MA720-(TX) D505 2390 2261 Chip diode...
- Page 20 Item Code No. Parts Name Specification Q513 7911 0126 Digital transistor DTC144EUAT106 Q514 7911 0126 Digital transistor DTC144EUAT106 Q609 7911 0126 Digital transistor DTC144EUAT106 Q610 2259 2205 Digital transistor DTA114EUAT106 Q611 7911 0126 Digital transistor DTC144EUAT106 Q612 2254 0448 Chip FET 2SK1580-T1 Q613 2254 0448 Chip FET...
- Page 21 KEY PCB ASS'Y Item Code No. Parts Name Specification Switches SW900 3412 1421 Slide switch ESD165227 SW901 3412 0882 Switch SKHUPD-T SW902 3412 0882 Switch SKHUPD-T SW903 3412 0882 Switch SKHUPD-T SW904 3412 0882 Switch SKHUPD-T SW905 3412 0882 Switch SKHUPD-T SW906 3412 0882 Switch...
- Page 22 MAIN COMPONENT Item Code No. Parts Name Specification 6611 6760 Upper case K727AAA C140275-2 6611 0680 R-P knob K724AAA C340701-1 6611 0440 Power switch knob K724AAA C340700-1 6611 7880 Power switch spring K727AAA R440130-1 6611 7870 Rating plate K727BBA C441158-5 6603 8924 C knob A-K310 K3741D-1 6611 0470 Battery label K724AAA...
- Page 23 ACCESSORY I t e m Code No. Parts Name Specification 5861 2110 Wrist strap ST-K724 6611 1290 Cleaning cloth CC-K724 1014 8773 Video cable C-K723-FC 1014 9607 Soft case SC-727 Notes: Q – Quantity used per unit R – Rank —...
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Page 24: Schematic Diagrams
SCHEMATIC DIAGRAMS LINEAR Display Controller Chroma IC Power Supply for LCD Power Supply for Back Light — 22 —... - Page 25 DIGITAL Data Expander Data Compressor Video Encoder Flash Memory 8 to 16 bits Converter Color processor DRAM On Screen Display 5 V Power Supply Circuit 5 V Booster Circuit VRAM Power Supply Circuit for CCD 3.5 V 3.5 V Power Supply Circuit —...
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Page 27: Waveforms
WAVEFORMS 4 µsec 4 µsec 4 µsec 1 IC100 pin 5 2 Q100 collector 3 IC101 pin 5 63.5 µsec 4 µsec 63.5 µsec 5 IC300 pin 10 6 IC300 pin 20 4 Q101 collector 63.5 µsec 63.5 µsec 125 µsec 7 IC300 pin 21 9 IC300 pin 36 8 IC300 pin 39... - Page 28 MA0100371A...