CASIO QV7000SX Service Manual
QV-7000SX
INDEX
(KX-778)
OCT. 1998
(without price)
R
Ver.1 Aug / 1999
CONTENTS
SPECIFICATIONS....................................................................................................................................... 1
BLOCK DIAGRAM ...................................................................................................................................... 2
ADJUSTMENT ............................................................................................................................................ 3
1. Complete Unit .................................................................................................................................... 4
1-1. Loading ADJ.................................................................................................................................4
1-2. White balance · Sensitivity adjustment ..................................................................................... 5
1-3. Scratch compensation ................................................................................................................ 7
1-4. Flash operation and recharge operation................................................................................... 8
1-5. Current consumption ................................................................................................................ 10
1-6. Operation check......................................................................................................................... 10
2. D-PCB Assy ...................................................................................................................................... 11
2-1. Operation check......................................................................................................................... 11
2-2. Clock oscillation check ............................................................................................................. 13
3. L-PCB Assy ...................................................................................................................................... 14
3-1. VCC21, VEE9 Voltage adjustment............................................................................................ 14
3-2. VCC3, VCC5, VCC5-1, VCC5-2, VCC3-5, EVCC3 Voltage check............................................ 14
3-3. VCC2 adjustment and VCC13, VCC7, VEE2 Voltage check................................................... 14
3-4. VCO free run frequency adjustment ........................................................................................ 15
3-5. BL drive voltage adjustment..................................................................................................... 15
3-6. VCOM AC adjustment and VCOM DC coarse adjustment ..................................................... 15
3-7. Brightness voltage setting and contrast adjustment............................................................. 16
4. TEST MODE ...................................................................................................................................... 17
4-1. TEST MODE................................................................................................................................ 17
4-2. MENU1 ........................................................................................................................................ 17
4-3. MENU2 ........................................................................................................................................ 18
DISASSEMBLY ......................................................................................................................................... 19
EXPLODED VIEW ..................................................................................................................................... 26
PARTS LIST .............................................................................................................................................. 27
PRINTED CIRCUIT BOARDS ................................................................................................................... 31
SCHEMATIC DIAGRAMS ......................................................................................................................... 34
TROUBLESHOOTING .............................................................................................................................. 37
SPECIFICATIONS
Item Specification
Record Format JPEG (with COMPACTFLASH memory card)
Recording Medium COMPACTFLASH memory card
Memory Capacity/ S (1280 x 960): 88/14 minimum (500 KB per image)
File Size F (1280 x 960): 123/19 minimum (350 KB per image)
N (1280 x 960): 206/33 minimum (200 KB per image)
E (640 x 480): 340/55 minimum (112 KB per image)
Movie (3.2 seconds): 85/13 groups minimum (5 frames per second, 1 image =4 frames x 4)
Movie (6.4 seconds): 85/13 groups minimum (10 frames per second, 1 image =16 frames x 4)
Movie (12.8 seconds): 85/13 groups minimum (5 frames per second, 1 image =16 frames x 4)
The above figures are approximations only. The actual number of images depends on image subject matter.
Values such as 85/13 indicate the number of images that can be stored on a 48MB/8MB CompactFlash card.
Image Deletion Single image; all images in a folder; all images in memory card (with image protection)
Imaging Element 1/3-inch square pixel color CCD (Total Pixels: 1,320,000; Effective Pixels: 1,250,000)
Lens F2.8 to 3.5 f = 5.0 to 10.0mm (equivalent to 32 to 64mm on a 35mm camera)
Zoom 2X optical zoom, 8X digital zoom (when used in combination with optical zoom)*
Focusing Phase-difference detection system auto focus, manual focus; with macro mode and focus lock
Focus Range (from surface of lens protection filter)
0.25m to ∞ (standard)/10cm (macro)
(10cm to ∞ with manual focus)
The above figures are approximations only.
Exposure Light Metering: Multi-pattern/spot metering by CCD
Exposure: Program AE, aperture priority AE
Exposure Compensation: –2EV to +2EV (1/4EV units)
Shutter CCD shutter, mechanical shutter
Shutter Speed 1/4 to 1/1000 second (1 second in Night Mode)
Aperture F2.8 to F14 automatic and manual switching
White Balance Automatic, fixed (4 modes), manual switching
Self-timer 10 seconds, 2 seconds
Flash Modes AUTO, ON, OFF, Red-eye reduction
Flash Range Approximately 0.7 to 2 meters
Recording Functions Single image; self-timer; movie; panorama; timer; title; macro; monochrome; sepia; Sports Mode; Night Mode
Monitor/Viewfinder 2.5-inch TFT, low-glare color HAST LCD (122,100 pixels)
Clock Built-in quartz digital clock; date and time recorded with image; auto calendar up to 2049
Input/Output Terminals DIGITAL OUT, VIDEO OUT (NTSC and PAL), AC adaptor connector
Infrared Communication IrDA1.1; IrTran-P compliant
Power Supply Four batteries (AA-size alkaline or lithium batteries )
Four rechargeable batteries (AA-size Ni-MH batteries (NP-H3))
AC adaptor (AD-C620)
Power Consumption Approximately 7.2 W
Dimensions 140.5 (W) x 75 (H) x 52.5 (D) mm (5.5" (W) x 3" (H) x 1.7" (D))
Weight Approximately 280g (9.9 oz) (excluding batteries)
Standard Accessories 2-way shoulder/wrist strap; soft case; video cable; Owner’s manual; connection cable (Except for US);
8MB COMPACTFLASH memory (Except for US); PC Link CD-ROM (Except for US);
four LR6 alkaline batteries (Except for US);
•Image size with digital zoom is 640 x 480 pixels.
•The camera also has a lithium battery that powers its built-in clock.
— 1 —
CCD
CDS+AGC+ADC
Vdrv
Buffer
MN3774PT HD49323AF
LR36685
15.0V
3.3V
-9.0V
3.3V
3.3V
21.0V
15.0V
3.3V
-9.0V
Voltage
Converter
21.0V15.0V
C-PCB
D-PCB
KIN0
KIN1
KIN2
KIN3
KOUT0
KOUT1
KOUT2
REC/PLAY
PACT
KAD
KSW
VCC3-5
DGND
Key unit top
Strobe Assy
H1
H2
V1
V2
V3
V4
CH1A
CH3A
CH1B
CH3B
SHD
SHP
CLAMP
ADCK
NC
SCK
SDI
LOAD
SUB
RSTCCD
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9
VCC2×3
VEE9×3
VCC3-1
VCC3-3×3
AGND×7
DGND×2
/FBL
/FLB
/SCK
STATUS
COMMAND
CT1
PON1
/LSRST
VCC3-1×2
VCC5×3
DGND×2
PGND×3
MACT
19-pin
49-pin
14-pin
CHGN
CENDN
LEVELN
SCR
IGBTN
LTTRGN
PREN
FBN
VA
VCC5-1×2
DGND×3
LCD module
VDD:3.0V
VREF:3.0V
VGH:12.75V
VGL:-14.25V
VSH:5.0V
BL unit
BLVCC
BLGND
BLSW
VGH
VREFH
VGL
VREFL
GRES
GPCK
GSRT
RESET
MODE2
CS
VCOM
NC
VBC
SRTR
SRTL
OE
CLR
HCNT
MCLK
MODE1
VSS
GOUT
BOUT
ROUT
VDD
VSH
R
G
B
CSYNC
BLCTL
PWCTL
PW0
PW1
PW2
PW3
VCC3×6
EVCC3
VCC21×2
VEE9×2
VCC5-1(ST)×2
VCC5-2(Ir)×2
VCC5(
Shutter)×3
VCC1-3
GND×8
45-pin
13-pin
3-pin
26-pin
Key unit rear
9-pin
ADPTN
RVS
RDET
RIGHT
VMUTE
AGND×3
80-pin
VCC21(21.0V)
VEE9(-9.0V)
VCC5(5.5V)
VCC3-5(3.3V)
VCC3(3.3V)
VCC5-1(5.0V)
VCC5-2(5.0V)
REG
VDD
(3.0V)
CM7018
Display controller
IR3Y26A1
RGB I/F
3.0V5.0V
AC ADP
REG
EVCC3
(3.3V)
VCC13(12.75V)
VCC7(7.5V)
VCC2(5.0V)
VEE2(-14.25V)
VCC3-5
VCC1-ST
GND
5.4V
BLVCC
VCC3-5
Xe Lamp
GND
L-PCB
KIN2
KIN3
KOUT1-1
VCC3-1
RLED
GLED
KOUT1-2
KOUT2-1
KOUT2-2
CF
DCAM-101
FLASH/MASK ROM
EDO DRAM×2
IrDA
controller
Signal
generator
AD
SW
RTC
3.3V
3.3V
3.3V
3.3V
IrDA
RS232C
VIDEORGB
CF DET
Detect switch
5.0V
IrDA
RS232C
VIDEO
Li
LENS-FPC
M
MM
MM
Shutter
ZOOM
driver
SUB CPU
EEPROM
AF
GND
VCC3-5
IRIS
driver
driver
Battery
Voltage
AF
Sensor
Lens
unit
High voltage
generator
Voltage
controller
Voltage
controller
Down
converter
Up
Converter
Expansion
driver
Comparator
Sensor
Detect switch
(RDET)
I/O
— 2 —
BLOCK DIAGRAM
■ Preparation
1. PC (IBM Compatible)/OS:Windows 95
2. Link cable.
3. Adjustment program
1) ADJ778F.EXE (Program)
2) 0829.ADJ (Data file)
3) ADJ778K.EXE (Service compensation program)
4) DT778.EXE (D PCB ass’y check program)
5) REF.BAY, REF.CB, REF.CR, REF.JPG, REF.Y, REFDEC.CB, REFDEC.CR, REFDEC.Y
(Saved these programs in CF card when excuting D PCB ass'y check program.Total 8 programs.)
4. AC adaptor or stabilizer.
5. Kenko light box handy 5000 (Modified in order to input DC externally)
6. Filter
ND filter (ND10, ND20 one each) Lay them together.
Color temperature converter filter (LA10, LA20 one each) Lay them together.
These filters are available in camera shops.
1) ND filter ND10 (50 × 50) Cosio parts code 19045436
2) ND filter ND20 (50 × 50) Cosio parts code 19045437
3) Color temperature coverter filter LA10 (50 × 50) Cosio parts code 19045438
4) Color temperature coverter filter LA20 (50 × 50) Cosio parts code 19045439
ADJUSTMENT
7. Digital oscilloscope
8. Multimeter
9. Ammeter
10. Frequency counter
11. TV (with video terminal)
12. Video cable
13. Battery (battery operation/battery cover lock)
14. PC link program (for saving user’s pictures and checking communication functions)
15. Another QV-7000SX (for IrDA)
Notes:
Normally power is supplied using AC adaptor.
When error occurs, use a voltage regulator, and supply the specified power.
To adjust D PCB ass’y and L PCB ass’y keep the case open.
— 3 —
1. Complete Unit
1-1. Loading ADJ
Set QV-7000SX to “PLAY” mode.
1. Preparation
• PC(IBM Compatible)/OS:Windows 95
• Link cable
• Adjustment program:ADJ778F.EXE (program)
0829.ADJ (data file)
2. Adjustment procedure
(1) Connect QV-7000SX and PC with link cable.
(2) Execute the adjustment software “ADJ788F” on Windows 95.
(3) Clik “File (F)”.
(4) Clik “Open (O)”.
(5) Search file “0829.ADJ” and double click. (Data input to AE, CCD, TEST, Version).
(6) Click “Data transmission”.
(7) “Send OK” message appears.
3. Notes
(1) When replacing CAM case (CCD) be sure to execute.
(2) Continue with the adjustment (1-2. White balance · Sensitivity adjustment) white balance and
(1-3. Scratch compensation) scratch compensation.
(3) When errors occur check CAM case and D PCB ass‘y.
QV-7000SX
PC display (Example)
Digital
terminal
Link cable
PC
RS-232C port
— 4 —
1-2. White balance · Sensitivity adjustment
•Set QV-7000SX to “REC” mode.
•Normal Recording mode ( ).
•Light box.
Light source (viewer)
No. 1
PROGRAM
CCD RGB ADJUST
Color temperature (K)
light source 1
4400 ± 200
Light intensisty (cd/m2)
light source 2
No specified figure
for light intensity
No. 2
CCD SENS ADJUST
50 ± 5
No specified figure
for color temperature
1. Preparation
(1) PC (IBM Compatible)/OS: Windows 95.
(2) Link cable.
(3) Adjustment program ADJ778K.EXE.
(4) Stabilizer.
(5) Viewer (Kenko light box handy 5000) (Modified in order to input DC externally)
(6) Use two ND filter together, one ND10 and one ND20.
Use two color temperature converter filter together, one LA10 and one LA20.
2. Adjustment procedure
(1) Start test mode MENU2.
✻ Refer to TEST MODE on page 17 and 18.
(2) Select “CCD ADJUST”.
Press +/– to select and SHUTTER button to display “SHUT TO START”
(3) White balance adjustment.
Set the color temperature converter filters LA10 and LA20 above the light box.
(4) Set camera lens toward light source then press the shutter button.
(5) When RGB ADJ COMPLETE is displayed, the adjustment of white balance is completed.
(6) Sensitivity Adjustment.
Remove two color temperature filters from simplified viewer then set the filter so that center of
illuminance face and center of two ND filters are lined up.
(7) Set camera lens toward light source then press the shutter button.
(8) When SENS ADJ COMPLETE is displayed, the adjustment of sensitivity is completed.
Turn off the unit once.
(9) Compensation program.
Connect QV-7000SX and PC with a link cable.
Set the camera in PLAY MODE.
(10)Execute compensation program (ADJ778K) on Windows 95.
(11) Click “Replace TEST”.
(12)“Replacement Complete” is displayed.
Turn power off.
Note
— 5 —
3. PC display (Example)
4. Notes
(1) Make sure light box is not directly exposed to light.
(2) Bring light box and filter and camera lens as close as possible.
(3) Operate the above procedure after loading ADJ.
Operate scratch compensation after the procedure above.
Viewer
Chart
QV-7000SX
Color temperature coverer filter/ND filter
— 6 —
1-3. Scratch compensation
• Set QV-7000SX to “REC” mode.
• Normal Recording mode ( ).
• Light box.
Light source (viewer)
No. 3
PROGRAM
WHITE NOISE
Color temperature (K)
light source 1
4400 ± 200
Light intensisty (cd/m2)
light source 2
50 ± 5
DETECT
1. Preparation
(1) AC adaptor or stabilizer.
(2) Kenko light box handy 5000.
(Modified in order to input DC externally)
(3) Filter.
ND filter one ND10, one ND20.
2. Adjustment procedure
(1) Start test mode MENU2.
✻ Refer to TEST MODE on page 17 and 18.
(2) Select 10. WHITE NOISE DETCT using +/– button.
(3) Set the ND filters ND10 and ND20 above the light box.
(4) Set camera lens toward light source then press the shutter button.
(5) When “SAVE COMPLETE” is displayed, scratch compensation is completed.
(6) Turn power off.
3. Notes
Note
No specified figure for
color temperature
(1) Make sure light box is not directly exposed to light.
(2) Bring light box and filter and camera lens as close as possible.
(3) Operate the above procedure after white balance • sensetivity adjustment.
Chart
Viewer
QV-7000SX
ND filter
— 7 —
1-4. Flash operation and recharge operation
• Set QV-7000SX in “REC” mode.
• Normal Recording mode ( ).
• Apply 6.0 ± 0.1 V voltage on DC in jack.
1. Preparation
(1) Stabilizer.
(2) Digital oscilloscope.
(3) Ammeter.
(4) TV (With video terminal).
(5) Video cable.
2. Adjustment procedure
(1) Shoot a picture with flash OFF. (Make sure there is no flash)
(2) Shoot a picture with flash ON and make sure it flashes once.
(3) Shoot in red eye reduction mode and make sure it flashes twice.
(4) Connect QV-7000SX and TV with video cable and make sure that the pictures taken in steps (2)
and (3) are not whitish, dark or erroneously colored.
(5) Make sure that the charging current is less than 1.3 A.
(6) Monitor the waveform of (1), (2) and (3) on a digital oscilloscope when flash goes on, and make
sure there are no errors comparing with the waveforms shown on the next page.
3. Notes
(1) Excuete in a dark room.
(2) Shoot a colorful object as much as possible.
Digital oscilloscope
Probe close to
flash lens face
TIME:1.0µ sec/DIV
VOLTS:1V/DIV (AC mode)
Flash lens face
Monitor TV
QV-7000SX
— 8 —
Flash trigger waveform
1. Normal waveform TIME : 1 µ sec/DIV
VOLTS : 1 V/DIV
CH1
First positive
pulse.
ACQUIRE
NORMAL
1V
ENVELOPE
OK if second positive pulse is shown.
First negative
pulse.
1
AVS
2
REPET
ON | OFF
757µV
SAVE ON
ON | OFF
UERT1µV
2. NG waveforms when trigger skipping occurs.
(1) When trigger skipping occurs on the first
positive pulse.
(2) When trigger skipping occurs on the first
negative pulse.
— 9 —
1-5. Current consumption
• Set QV-7000SX to “PLAY” mode.
1. Preparation
(1) Voltage regulator.
(2) Ammeter.
2. Adjustment procedure
(1) Current consumption (DC in = 6.0 ± 0.1 [V])
• Make sure that current consumption is less than 550 mA in PLAY mode.
• Make sure that current consumption is less than 800 mA in REC mode.
(Flash charge current is not included)
(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] (one indicator is off )
DC in = 4.65 ± 0.05 [V] (two indicators are off)
1-6. Operation check
1. Preparation
(1) Batteries.
(2) AC adaptor.
(3) PC (IBM compatible)/OS:Windows 95.
(4) Link cable.
(5) PC link program.
(6) TV (with video teminal).
(7) Video cable.
(8) QV-7000SX (for checking IrDA).
2. Adjustment procedure
Perform the fallowing operations and checkings.
(1) Battery operation, AC adaptor operation.
(2) Switch operation.
(3) Cover open/close operation, CF insersion/eject operation, battery cover open/close operation.
(4) Standard/Macro switch, lens rotation, AE operation , AF operation zoom operation.
(5) Video output, digital communication, IrDA communication.
(6) Dust and scratches on lens.
3. Notes
(1) Make sure Video out setting are appropriate to your country.
(i.e. Japan=NTSC, England = PAL)
— 10 —
2. D-PCB Assy
2-1. Operation check
1. Preparation
• PC(IBM Compatible)/OS:Windows 95
• Link cable
• Program
DT778.EXE (D PCB ass’y check program)
REF.LZH (Extract and save in CF card to execute D PCB ass’y check program)
• AC adaptor or voltage regulator
• TV (with video terminal)
• Video cable
2. Adjustment procedure
(1) Connect QV-7000SX and PC with link cable.
(2) Start up adjustment program DT778 on MS-DOS.
(3) Check the items listed below.
• Serial communication is OK.
• Check ROM version.
• DRAM is OK.
• CF is OK.
• Voltage detection is OK (Displays High)
(VCC1-3 voltage high 6.0 ± 0.1 V, middle 4.5 ± 0.1V, low 4.0 ± 0.1 V)
• Check if each mode is OK.
1: REC/PLAY mode
2: Video jack available
3: AC adaptor jack available.
• Check JPEG compression extension
Error mode
1: Color processor error
2: JPEG Encode error
3: JPEG Decode error
(When error occures replace D PCB ass’y)
• Check each mode by turning dial of switch unit.
(Turn dial 1 step at a time, then press space key to check the mode. There are 10 modes.)
• Make sure each key works.
(Since key scanning speed is slow, key entry may not be detected. In such a case, push the key again.)
• Make sure LED goes on.
• ON/OFF operation of TFT-LCD display.
• Check clock operation.
• Wake up function of power source.
(Turns off and on automatically)
(4) After completing D PCB ass’y check program, sets the video out for each country.
(ie: JAPAN = NTSC, ENGLAND = PAL)
(5) Connect QV-7000SX and TV with video cable, and check the picture taken.
— 11 —
Loading...