Casio QV-5000SX Service Manual & Parts List
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Casio QV-5000SX Service Manual & Parts List

Casio QV-5000SX Service Manual & Parts List

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QV-5000SX
(KX-777)
MAY. 1998
INDEX
R

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Summary of Contents for Casio QV-5000SX

  • Page 1 (without price) QV-5000SX (KX-777) MAY. 1998 INDEX...

  • Page 2: Table Of Contents

    CONTENTS SPECIFICATIONS ............................1 BLOCK DIAGRAM ............................2 POWER SUPPLY FLOW ..........................3 VOLTAGE TABLE ............................4 ADJUSTMENT ............................5 1. Complete Unit ............................ 5 1-1. Loading ADJ ..........................5 1-2. White balance · Sensitivity adjustment ..................5 1-3. Flash operation and recharge operation ................... 7 1-4.

  • Page 3: Specifications

    SPECIFICATIONS Item Specification Recording System Digital (JPEG base); PC Link software can be used to input images in CAM, JPEG, TIFF and other format. Recording Medium Flash memory (8MB) Memory Capacity/ SUPER FINE: 16 images Computer Output image (450KB compressed – 1280 x 960 pixels) FINE: 30 images (225KB compressed –...

  • Page 4: Block Diagram

    BLOCK DIAGRAM 26pin (C to F) L-PCB RESET 1.8"TFT VREFH MODE2 12.75V HCNT BOUT LCD Module VREFL VCOM MCLK VCC13 COD18T1022 GRES MODE1 IR3Y26A1 CM7018 GPCK SRTR 7.5V RGB Interface TFT Controller GSRT SRTL GOUT VCC7 ST-UNIT 5.0V BL-PCB 10pin VCC2 10pin (B to B)

  • Page 5: Power Supply Flow

    POWER SUPPLY FLOW When power is turned on, the power supply flows in each mode are as shown below. (1) PLAY MODE PW2=H PW2=L (BLCONT=L PWCONT=L) PW2=H (PWCONT=H CSYNC Start BLCONT=H) (2) REC MODE, LCD ON PW2=H PW2=L (BLCONT=L PWCONT=L) (PW1=H PW3=H) PW2=H...

  • Page 6: Voltage Table

    VOLTAGE TABLE Signal Voltage [V] Control signal (“H” active) Main Bolock VCC1-3 BATTERY Non, Sw, EVCC3 Non, Sw, F, F, (POWER SW) VCC3 VCC3-1 CPU, Flash, ROM, RAM VCC3-2 CPU (Analog) VCC3-4 CCD, Strobe VCC5-1 Strobe (Logic) VCC18 18.5 VCC15 15.0 CCD, VDr, Buff, VCC5-4...

  • Page 7: Adjustment

    (2) Set the filter so that center of illuminance face and center of two color temperature converter filters are lined up. (3) Bring lens of QV-5000SX close to the center of color temperature converter filters then stick QV- 5000SX and filters together.
  • Page 8 (8) Bring lens of QV-5000SX close to the center of ND filters, then stick QV-5000SX and filters together. (9) Press the shutter button. (10) When SENS ADJ COMPLETE is displayed the adjustment of sensitivity is completed. (11) Turn power switch off.

  • Page 9: Flash Operation And Recharge Operation

    (2) Shoot in red eye reduction mode. (3) Shoot in macro mode. (4) Set QV-5000SX in “PLAY” mode and check the pictures taken. (5) Monitor the trigger waveform of (1), (2) and (3) on a digital oscilloscope and make sure there are no errors.
  • Page 10 Flash trigger waveform : 1 µ sec/DIV 1. Normal waveform TIME VOLTS : 1 V/DIV 757µV 1µV UERT First positive pulse. OK if second positive pulse is shown. First negative pulse. REPET SAVE ON ACQUIRE ON | OFF ON | OFF NORMAL ENVELOPE 2.

  • Page 11: Current Consumption

    1-4. Current consumption Set QV-5000SX to “PLAY” mode. (1) Current consumption (DC in = 6.0 ± 0.1 [V]) (2) Lower the voltage from 6 V as shown below then make sure the battery warning indicator changes. DC in = 5.0 ± 0.05 [V] (PLAY mode) DC in = 4.65 ±...

  • Page 12: Test Mode

    1-6. Test mode (1) Turn power ON while pressing shutter button and DISP button simultaneously. TEST MODE display is displayed. TEST MODE PATCH 11111111 LOADER ADj. 98012201 VER. 98012201 In the center of the display “TEST MODE” is displayed at 4 times the size of other letters. In the lower right corner PATCH, LOADER, ADj and Program version are displayed.
  • Page 13 MENU1 1. INIT. SETTING NTSC 2. INIT. SETTING PAL 3. GRAY SCALE (10STEP) 4. BLACK 5. 50% GRAY 6. WHITE 7. CROSS HATCH 8. COLOR BAR MENU1-1 Set at factory. MENU1-2 1. RECLCD: ON 2. ON 3. FLASH: AUTO 4. QUALITY: F 5.
  • Page 14 MENU2 1. CCD RGB ADJUST 2. CCD SENS. ADJUST 3. BATT. TEST 4. REC INFO. 5. SELF COPY 6. IMAGE COPY 7. MOTOR SETTING 8. SOKKYO CHANGE 9. NO COMP CAPT MENU2-1 Execute CCD color solid adjustment, then record it on ADJ of flash memory display.

  • Page 15: D-Pcb Assy

    2. D-PCB Assy 2-1. Operation check • Set QV-5000SX in “PLAY” mode. • Connect C, L, PW, KA, KB, JK, BL PCB. • Connect PACT (CP510) to GND for short time (1, 2 seconds). Then the unit will be operation mode.
  • Page 16 How to use dt777E ENTER To check D PCB (dt777E.exe), you will have to enter into serial communication for D PCB alone. For host computer use 1 MB PC-AT compatible. Add check circuit to connectors as needed. TEST contents Version display Displays ROM version.

  • Page 17: L-Pcb Assy

    3. L-PCB Assy 3-1. VCC18, VCC15, VEE7 voltage adjustment • Make sure VCC1-1 (CP149) = 5.0 ± 0.05 [V] • Apply 3.3 V ± 5 % to PW0 to PW3. (1) Apply 5.0 ± 0.05 V to VCC1-1 and adjust VR120 so that VCC18 (CP121) becomes 18.5 ± 0.5 V. (2) Adjust VR125 so that VCC15 (CP125) becomes 15.0 ±...

  • Page 18: Disassembly

    DISASSEMBLY 1. Unscrew two screws (S4) on the side. 5. Use a (–) screwdriver to remove the small hook. screw (S4) hook 2. Unscrew a screw (S4) on the bottom. 6. Remove the upper case. screw (S4) 3. Open battery cover. 7.
  • Page 19 9. It should look like this. 13. Remove the label that says “CAUTION HIGH VOLTAGE” 10. Remove the hook of battery holder. 14. Connect resistor (1.5 k Ω 5W) to flash capacitor for discharging. hook 11. Pull out the frame block. 15.
  • Page 20 17. Bottom view (LCD) 21. Remove a screw (S1) of KB PCB. screw (S1) 18. Bottom view (camera) 22. Remove KA PCB and KB PCB. 19. Peel off the insulation sheet. 23. Unscrew two screws (S1) of the flash unit. screw (S1) 20.
  • Page 21 25. Unscrew screw (S8) of PW PCB and remove 29. Unscrew a screw (S5) of battery holder. washer. scew (S8) screw (S5) 30. Remove battery holder. 26. Unscrew screws (S8) and (S1) and remove washer. screw (S1) screw (S8) 31. Peel off insulation sheet of lens ass’y. 27.
  • Page 22 33. Remove flash unit. 37. Unscrew two screws (S1) of lens ass’y. screw (S1) 34. Unscrew a screw (S2) from metallic part on D 38. Remove lens ass’y. Remove a screw (S2) of PCB. L PCB. screw (S2) 35. Remove connector (CN540). When assem- 39.

  • Page 23: Precautions When Assembling

    41. Remove LCD and BL ass’y. PRECAUTIONS WHEN ASSEMBLING 45. When putting DP frame to LCD, pull the cable first. 42. Unscrew two screws (S4). screw (S4) 46. Put the excess part of the wire inside so the case will not nich the wires. 43.
  • Page 24 48. Let the black wire and gray wire run as shown. gray black 49. Wiring under KB PCB. 50. Wiring of upper lens ass’y. — 22 —...

  • Page 25: Exploded View

    EXPLODED VIEW — 23 —...

  • Page 26: Parts List

    PART PRICE LIST DIGITAL PCB ASSY Item Part No. Part Name Specification Q Price Code R IC400 2105 6486 IC S-80835ANNP-EDZ-T2 IC410 2105 5215 IC TC7W74FU(TE12L) IC412 2114 4676 IC TC7W04FU(TE12L) IC414 2105 6472 IC TC74AC00FT(EL) IC415 2105 6244 IC TC7S32FU(TE85L) IC420 2105 6471 IC...
  • Page 27 LINER PCB ASSY Item Part No. Part Name Specification Q Price Code R IC150 2114 5800 IC MB3800PFV-G-BND-EF IC180 2105 4501 IC RN5RL30AA-TR IC300 2254 0550 IC TC7W66FU(TE12L) IC302 2254 0550 IC TC7W66FU(TE12L) IC310 2105 6490 IC TK15405MTL IC315 2105 5712 IC TC7S04FU(TE85L) IC340 2114 5846 IC...
  • Page 28 POWER PCB ASSY Item Part No. Part Name Specification Q Price Code R IC110 2105 6480 IC S-8520B33MC-ARS-T2 IC115 2105 6479 IC RN5RL33AA-TR IC120 2114 5842 IC S-8327E50MC-EKE-T2 IC125 2105 6477 IC LP2951CMX IC127 2105 6478 IC RH5RH553B-T1 IC130 2114 5607 IC TK11830MTL IC135 2114 5849 IC...
  • Page 29 JACK PCB ASSY Item Part No. Part Name Specification Q Price Code R CONNECTOR CN101 3502 2445 CONNECTOR 53309-1090 FUSE FU100 2797 5594 FUSE PI-R429002 JACKS JK100 3501 6755 JACK/POWER HEC3600-010120 JK101 3501 8197 JACK/MINI HSJ1169-019010 JK102 3502 2439 JACK HSJ1456-01-220 KEYBOARD(A) PCB ASSY Item...
  • Page 30 KEYBOARD(B) PCB ASSY Item Part No. Part Name Specification Q Price Code R CONNECTOR CN810 3502 2412 CONNECTOR 52745-0690 SWITCHES N SW810 3412 1519 SWITCH/TACT SKQMAH-T3 N SW811 3412 1519 SWITCH/TACT SKQMAH-T3 N SW820 3412 2085 SWITCH/TACT SKQAAA-T DIODES D808 2390 1820 DIODE/CHIP 1SS355-TE-17 D809...
  • Page 31 MAIN BODY COMPONENT Item Part No. Part Name Specification Q Price Code R 1014 9879 STROBE UNIT CO-777 2725 1347 DISPLAY ASSY/TFT LCD COD18T1022RN 6613 0620 PANEL/REAR K140444-1 6613 0830 PCB ASSY/JACK K341261*1 6613 0831 PCB ASSY/BACK LIGHT K341261*2 6613 0832 PCB ASSY/SHUTTER K341261*3 6613 0840 PCB ASSY/DIGITAL K140476*1...
  • Page 32 6613 1450 HOLDER/BATTERY K240858-1 6614 0750 SPRING/BATTERY K441296-1 6613 1470 CABLE K240915-1 6613 1480 CABLE K140422-1 6613 1510 SPACER/SHEET K441309-1 6613 1520 SHEET/FILTER K441308-1 6613 1530 SHEET/DIFFUSION K441307-1 6614 0760 SPRING/BATTERY K441295-1 6614 0770 SPRING/BATTERY K441294-1 5861 3649 E RING 1.5 JISB2805 5112 0868 SCREW BT3 1.7X5 BK...
  • Page 33 ACCESSORY Item Part No. Part Name Specification Q Price Code R 1014 9871 CASE/SOFT SC-773 5861 3578 STRAP ST-K775 1014 8773 CABLE/VIDEO VC-K723-FC ADUJUSTMENT FILTER Item Part No. Part Name Specification Q Price Code R 1904 5436 FILTER/ND ND10(50X50) 1904 5437 FILTER/ND ND20(50X50) 1904 5438 FILTER/COLOR LA10(50X50)

  • Page 34: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS D PCB (PCB-K777D) — 32 —...
  • Page 35 L PCB (PCB-K777L) — 33 —...
  • Page 36 PW PCB (PCB-K777PW) — 34 —...
  • Page 37 BL PCB (PCB-K777BL) C PCB (PCB-K777C) JK PCB (PCB-K777JK) — 35 —...
  • Page 38 K PCB (PCB-K777K) KB PCB (PCB-K777KB) — 36 —...

  • Page 39: Schematic Diagrams

    SCHEMATIC DIAGRAMS DIGITAL CIRCUIT — 37 —...
  • Page 40 POWER CIRCUIT to Batt. Box CP149 — 38 —...
  • Page 41 LINEAR CIRCUIT — 39 —...
  • Page 42 C-PCB CIRCUIT — 40 —...
  • Page 43 KA-PCB CIRCUIT — 41 —...
  • Page 44 KB-PCB CIRCUIT SHUTTER Press half way Press Completely — 42 —...
  • Page 45 BL-PCB CIRCUIT — 43 —...
  • Page 46 JK-PCB CIRCUIT INPUT BATTERY – BATTERY BOX — 44 —...

  • Page 47: Troubleshooting

    4 to 5 seconds after watching the picture on LCD video the display changes. QV-5000SX has preview display to show the pictures early. When looking in PLAY mode preview display is displayed first than the more precise picture after that.
  • Page 48 FLOW CHART OF TROUBLE SHOOTING Start Set QV5000-SX to REC mode. Turn POWER switch ON. Will not turn on. (Go to page 47) Does the power LED light? LED does not light. Will not turn on. Sub LCD is NG. Does the sub LCD (Go to page 47) (Go to page 49)
  • Page 49 Will not turn on. Set QV-5000SX to REC MODE then turn POWER ON. Check with the value Use tester to check the Use tester to check the of stabilizer (6 V). resistance value of fuse. resistance value of test pad.
  • Page 50 No picture Turn power on in REC mode. Is current Through picture PLAY picture Release C312 (JK-PCB) value normal? is displayed. does not appear. because it is short. Is FPC insersion Current is too high. To excess current mode. Connect FPC insert. between D-CL OK? Replace FU900 (L-PCB), Current is...
  • Page 51 Sub LCD NG Short CP801 Insersion failure Soldering Soldering failure Broken D-KA FPC of KA-PCB of D-KA and FPC failure of IC800 of D-C connector Repair short Reinsert FPC Replace FPC Resoldering Resoldering No recharge strobe mode Discharge strobe capacitor Connection Soldering failure D-PCB broken pattern...
  • Page 52 Picture NG. No picture Is a picture displayed (Go to page 48) in PLAY mode. Is BL failure? Is there color (flickering display) Is the display reversed? Is there no color? noise failure? (partially lighted) Is CL unit, HP220, Is there BL Check soldering Is all R, G, B outputted? Is VR320 broken.
  • Page 53 Strobe NG. Sub LCD NG. Red-eye reduction mode (Go to page 49) No flash even when Bad insersion of Flashes twice Flashes only once Flashes little flash is turned on. ST connector Incorrect wiring Replace IGBT Broken ST wiring Replace IGBT Unable to adjust light on ST board Fix wiring...
  • Page 54 CASIO TECHNO CO.,LTD. Overseas Service Division 8-11-10, Nishi-Shinjuku Shinjuku-ku, Tokyo 160-0023, Japan...

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Kx-777

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