Résumé du contenu de la page N° 1
FILE NO.
SERVICE MANUAL
Color Digital Camera
VPC-SX560EX
(Product Code : 126 279 01)
(Europe)
(PAL Genenral)
VPC-SX560E
(Product Code : 126 279 03)
(U.K.)
VPC-SX560
(Product Code : 126 279 02)
(U.S.A.)
(Canada)
Contents
1. OUTLINE OF CIRCUIT DESCRIPTION .................... 2
2. DISASSEMBLY ........................................................ 13
3. ELECTRICAL ADJUSTMENT .................................. 16
4. USB STORAGE INFORMATION
REGISTRATION .........................................
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1. OUTLINE OF CIRCUIT DESCRIPTION 1-1. CA1 CIRCUIT DESCRIPTION Around CCD block 1. IC Configuration IC903 (ICX267) CCD imager IC902, IC904, IC908 (74ACT04MTC) H driver 10 9 8 7 6 5 4 3 2 1 IC907 (CXD3400N) V driver IC905 (AD9840) CDS, AGC, A/D converter G B G B 2. IC903 (CCD) R G R G [Structure] G B G B Interline type CCD image sensor R G R G Optical size Diagonal 8 mm (1/2 type) B Effective pixels 1392 (H) 1040 (V) G B G Pixels in total 1434 (H) 1050 (V) R G R G Note Actual pixels 1360 (H) 1
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3. IC902, IC904, IC908 (H Driver) and IC907 (V Driver) 4. IC905 (CDS, AGC Circuit and A/D Converter) An H driver and V driver are necessary in order to generate The video signal which is output from the CCD is input to Pin the clocks (vertical transfer clock, horizontal transfer clock (30) of IC905. There are S/H blocks inside IC905 generated and electronic shutter clock) which driver the CCD. from the XSHP and XSHD pulses, and it is here that CDS IC902, IC904 and IC908 are inverter IC which dri
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5. Transfer of Electric Charge by the Horizontal CCD The transfer system for the horizontal CCD emplays a 2-phase drive method. The electric charges sent to the final stage of the horizontal CCD are transferred to the floating diffusion, as shown in Fig. 1-6. RG is turned on by the timing in (1), and the floating diffusion is charged to the potential of PD. The RG is turned off by the timing in (2). In this condition, the floating diffusion is floated at high impedance. The H1 potential becomes
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1-2. CA2 CIRCUIT DESCRIPTION 1. Circuit Description 1-8. 8-bit D/A circuit (Audio) 1-1. Scannning converter (Interlace converter) This circuit converts the audio signals (analog signals) from This circuit uses the function of a 64-Mbit SDRAMs to con- the microphone to 8-bit digital signals. vert the non-interlaced signal which is output from the CCD into an interlaced signal for the video monitor. 1-9. 8-bit A/D circuit (Audio) The audio signals which were converted to digial form by the 1-2. Ca
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3. LCD Block During EE, gamma conversion is carried out for the 10-bit RGB data which is input from the A/D conversion block of the CCD to the ASIC in order that the revised can be displayed on the video. The YUV of 640 x 480 is then transferred to the SVRAM. The data which has accumulated in the SDRAM is after D/A conversion is carried out by SDRAM control circuit inside the ASIC, makes Y/C signal, the data is sent to the LCD panel and displayed. If the shutter button is pressed in this condit
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1-3. CA3 CIRCUIT DESCRIPTION 1. Outline 4. Analog system 5.0 V Power Output This is the main CA3 power block, and is comprised of the 5 V (A) is output. Feedback is provided to the swiching con- following blocks. troller (Pin (1) of IC521) so that PWM control can be carried Switching controller (IC521) out. Analog system 5.0 V power output (L5201, Q5203, D5201, C5206) 5. Backlight Power Output Backlight power output (L5101, Q5102, D5101, C5106) 10 mA (L) is output. The backlighting turns on when
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1-4. PW1 POWER CIRCUIT DESCRIPTION 1. Outline 3. Digital 3.3 V Power Output This is the main PW1 power circuit, and is comprised of the 3.3 V (D) is output. Feedback for the 3.3 V (D) is provided to following blocks. the switching controller (Pins (1) of IC501) so that PWM con- Switching controller (IC501) trol can be carried out. Digital and LCD system and 5.0 V system power output (L5010, Q5002, D5013, C5061, C5015) 4. Digital 3.4 V System Power Output Digital 3.3 V system power supply (L5017,
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1-5. PW1 STROBE CIRCUIT DESCRIPTION 1. Charging Circuit 2. Light Emission Circuit When UNREG power is supplied to the charge circuit and the When RDY and TRIG signals are input from the ASIC expan- CHG signal becomes High (3.3 V), the charging circuit starts sion port, the stroboscope emits light. operating and the main electorolytic capacitor is charged with high-voltage direct current. 2-1. Emission control circuit However, when the CHG signal is Low (0 V), the charging When the RDY signal is
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1-6. SY1 CIRCUIT DESCRIPTION 1. Configuration and Functions For the overall configuration of the SY1 circuit board, refer to the block diagram. The configuration of the SY1 circuit board centers around a 8-bit microprocessor (IC301). The 8-bit microprocessor handles the following functions. 1. Operation key input, 2. Mode LCD display, 3. Clock control, 4. Power ON/OFF, 5. Storobe charge control Pin Signal I/O Outline 1 CHG VOL I Strobe charge voltage input (analog input) I 2~7 SCAN IN Key matrix
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2. Internal Communication Bus The SY1 circuit board carries out overall control of camera operation by detecting the input from the keyboard and the condition of the camera circuits. The 8-bit microprocessor reads the signals from each sensor element as input data and outputs this data to the camera circuits (ASIC) or to the LCD display device as operation mode setting data. Fig. 4-1 shows the internal commu- nication between the 8-bit microprocessor and ASIC. ASIC RESET S. REQ ASIC SO 8-bit ASI
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4. Power Supply Control The 8-bit microprocessor controls the power supply for the overall system. The following is a description of how the power supply is turned on and off. When the battery is attached, a regulated 3.2 V voltage is normally input to the 8-bit microprocessor (IC301) by IC302, so that clock counting and key scanning is carried out even when the power switch is turned off, so that the camera can start up again. When the battery is removed, the 8-bit micro- processor operates in
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2. DISASSEMBLY 2-1. REMOVAL OF CABINET ASSEMBLY (FRONT) AND CABINET ASSEMBLY (BACK) 8. Button info 1. Five screws 9. Screw 1.7 x 2.5 7. Screw 1.7 x 3.0 1.7 x 4.0 2. Cabinet back 10. Cabinet top 12. Screw 1.7 x 2.5 13. FPC 23. Dec cabinet L 11. Spacer holder F2 15. Holder bracket R 3. Three screws 14. Dec cabinet R 1.7 x 3.0 20. Cover 18. Holder battery terminal 4. Connector 17. Two screws 1.7 x 3.0 19. Two 16. Slide the cover jack. screws 1.7 x
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2-3. REMOVAL OF HOLDER BATTERY AND PW1 BOARD 4. Holder battery 2. Two screws 3. Remove the solders. 1.7 x 3.0 2. Two screws 1.7 x 3.0 5. Three screws 1.7 x 2.5 1. Screw 1. Screw 1.7 x 2.5 1.7 x 2.5 6. PW1 board 8. Spacer PW1 side A 7. Holder chassis F 2-4. REMOVAL OF LCD, LENS ASSEMBLY AND CA1 BOARD 4. LCD 11. CA1 board 2. Connector 3. FPC 12. Three screws 5. Holder chassis B 1.7 x 2.5 1. Two screws 1.7 x 2.5 6. FPC 10. Connector 7. Two screws 2.0 x 6.0 8. S
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2-5. REMOVAL OF CA3 BOARD AND CA2 BOARD 4. Two screws 1.7 x 2.5 2. Two screws 1.7 x 4.0 5. Two connectors 3. Lens VF 4. Screw 1.7 x 2.5 6. CA3 board 8. Holder chassis M 7. CA2 board 1. Three screws 1.7 x 2.5 2-6. BOARD LOCATION SY1 board CA1 board PW1 board CA3 board CA2 board – 15 –
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3. ELECTRICAL ADJUSTMENT 5. 12.4 V (L) Voltage Adjustment 1 3-1. Table for Servicing Tools 6. 12.4 V (L) Voltage Adjustment 2 7. AWB Adjustment Ref. No. Name Part code 8. Lens Adjustment J-1 Color viewer 5,100 K VJ8-0007 9. CCD Defect Detect Adjustment J-2 Siemens star chart 10. LCD Panel Adjustment Calibration software 10-1. LCD H AFC Adjustment J-3 VJ8-0175 10-2. LCD RGB Offset Adjustment J-4 Chart for color adjustment VJ8-0155 10-3. LCD Gain Adjustment J-5 Extension cord VJ8-0164 10-4. LCD
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3-5. Connecting the camera to the computer 1. Turn off both camera and computer. 2. Line up the arrow on the serial cable connector with the notch on the camera's serial port. Insert the connector. In case of USB cable, line up the arrow on the USB cable connector with the notch on the camera's USB port. Insert the connector. 3. Line up the serial connector on the serial cable with the serial port on your computer, and insert the connector. In case of USB cable, line up the USB connector on the
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4. 3.4 V (D) B Voltage Adjustment 3-6. Adjust Specifications Measuring Point L5009 ST side [PW1 board (Side B)] Measuring Equipment Digital voltmeter ADJ. Location VR504 ADJ. Value 3.40 0.03 V Q5006-1,2,5,6 Adjustment method: D5012-2 VR504 1. Adjust with VR504 to 3.40 0.03 V. VR507 5. 12.4 V (L) Voltage Adjustment 1 L5009 (ST) VR506 R5056 Measuring Point D5012-2 VR503 Measuring Equipment Digital voltmeter CL539 VR505 ADJ. Location VR507 VR501 ADJ. Value 12.40 0.05 V Adjustment method: Note: 1
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aaaaaa aa aaaaa aa 4. AWB adjustment value will appear on the screen. 10. LCD Panel Adjustment 5. Click the OK. [CA3 board (Side A)] 8. Lens Adjustment VR171 CL170 CL173 Serial cable CL171 CL172 10-1. LCD H AFC Adjustment Preparation: Camera Approx. POWER switch: ON 95 cm 3 cm Adjusting method: Siemens 1. Double-click on the DscCalDi126. star chart 2. Select 0 on the LCD “H AFC”. 3. Apply the trigger at CL173, and adjust VR171 so that the Preparation: time A from the point where the pulse at CL1
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10-2. LCD RGB Offset Adjustment Adjusting method: 1. Adjust LCD “RGB offset” so that the amplitude of the CL173 waveform is 7.3 V ± 0.3 Vp-p. VG 7.3 V ± 0.3 Vp-p CL173 waveform CL173 waveform VG + 0.2 ± 0.05 Vp-p 10-3. LCD Gain Adjustment Adjusting method: 1. Adjust LCD “Gain” so that the amplitude of the CL173 wave- form is 4.0 V ± 0.1 Vp-p. Note: CL171 waveform 10-2. LCD RGB Offset adjustment should always be carried out first. 10-5. LCD Red Brightness Adjustment Adjusting method: 1. Adjust LC
