Sanyo VPC-SX500EX Service Manual
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Sanyo VPC-SX500EX Service Manual

Sanyo VPC-SX500EX Service Manual

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SERVICE MANUAL
Color Digital Camera
Contents
1. OUTLINE OF CIRCUIT DESCRIPTION .................... 2
2. DISASSEMBLY ........................................................ 13
3. ELECTRICAL ADJUSTMENT .................................. 16
4. TROUBLESHOOTING GUIDE ................................. 22
5. PARTS LIST ............................................................. 23
CABINET AND CHASSIS PARTS 1 ........................ 23
CABINET AND CHASSIS PARTS 2 ........................ 24
ELECTRICAL PARTS .............................................. 25
CIRCUIT DIAGRAM (Refer to the separate volume)
The components designated by a symbol ( ! ) in this schematic diagram designates components whose value are of
special significance to product safety. Should any component designated by a symbol need to be replaced, use only the part
designated in the Parts List. Do not deviate from the resistance, wattage, and voltage ratings shown.
CAUTION : Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by the manufacturer.
Discard used batteries according to the manufacturer's instructions.
NOTE : 1. Parts order must contain model number, part number, and description.
2. Substitute parts may be supplied as the service parts.
3. N. S. P. : Not available as service parts.
Design and specification are subject to change without notice.
SX112/EX, U
PRODUCT SAFETY NOTICE
FILE NO.
VPC-SX500EX
(Product Code : 126 240 04)
(Europe)
(PAL Genenral)
VPC-SX500
(Product Code : 126 240 06)
(U.S.A.)
(Canada)
REFERENCE No. SM5310060

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  • Page 1: Table Of Contents

    FILE NO. SERVICE MANUAL Color Digital Camera VPC-SX500EX (Product Code : 126 240 04) (Europe) (PAL Genenral) VPC-SX500 (Product Code : 126 240 06) (U.S.A.) (Canada) Contents 1. OUTLINE OF CIRCUIT DESCRIPTION ....2 2. DISASSEMBLY ............13 3. ELECTRICAL ADJUSTMENT ........16 4.

  • Page 2: Outline Of Circuit Description

    1. OUTLINE OF CIRCUIT DESCRIPTION 1-1. CA1 CIRCUIT DESCRIPTION Around CCD block 1. IC Configuration IC903 (ICX245) CCD imager IC902 (74ACT04MTC) H driver IC907 (CXD3400N) V driver IC905 (AD9803) CDS, AGC, A/D converter 2. IC903 (CCD) [Structure] Interline type CCD image sensor Optical size 1/2 inch format Effective pixels...
  • Page 3 3. IC902 (H Driver) and IC907 (V Driver) 4. IC905 (CDS, AGC Circuit and A/D Converter) An H driver (IC902) and V driver (IC907) are necessary in The video signal which is output from the CCD is input to order to generate the clocks (vertical transfer clock, horizon- Pins (26) and (27) of IC905.
  • Page 4 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.
  • Page 5 1-2. CA2 CIRCUIT DESCRIPTION 1. Circuit Description 1-7. 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 1-8.
  • Page 6 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.
  • Page 7 1-3. CA3 CIRCUIT DESCRIPTION 1. Outline 4. LCD system 5.0 V Power Output This is the main CA3 power block, and is comprised of the 5 V (L) 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.
  • Page 8 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.
  • Page 9 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.
  • Page 10 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.
  • Page 11 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.
  • Page 12 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.

  • Page 13: Disassembly

    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.
  • Page 14 2-3. REMOVAL OF HOLDER BATTERY AND PW1 BOARD 4. Holder battery 3. Remove the solders. 2. Two screws 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.
  • Page 15 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.

  • Page 16: Electrical Adjustment

    3. ELECTRICAL ADJUSTMENT 6. 12.4 V (L) Voltage Adjustment 2 3-1. Table for Servicing Tools 7. IC521 Oscillation Frequency Adjustment 8. IC511 Oscillation Frequency Adjustment Ref. No. Name Part code 9. 5.0 V (L) Voltage Adjustment Color viewer 5,100 K VJ8-0007 10.
  • Page 17 3-5. Connecting the camera to the computer 1. Turn off both camera and computer. 2. Locate the port cover on the side of the camera. Press on the arrows and slide the cover down to open it. 3. Line up the arrow on the cable connector with the notch on the camera's serial port. Insert the connector. 4.
  • Page 18 4. 3.4 V (D) B Voltage Adjustment 3-6. Adjust Specifications L5009 ST side Measuring Point [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: VR504 D5012-2 1. Adjust with VR504 to 3.40 0.03 V.
  • Page 19 3. Slide the slide switch to camera, and turn on the LCD. 3. Click the AWB, and click the Yes. 4. AWB and AGC adjustment value will appear on the screen. 7. IC521 Oscillation Frequency Adjustment 5. Click the OK. CL594 Measuring Point 11.
  • Page 20 13-1. LCD H AFC Adjustment 13-4. LCD Blue Brightness Adjustment Preparation: Adjusting method: POWER switch: ON 1. Adjust LCD “B Bright” so that the amplitude of the CL171 Adjusting method: waveform is VG + 0.2 0.05 Vp-p with respect to the CL173 1.
  • Page 21 13-5. LCD Red Brightness Adjustment 13-6. LCD TINT Adjustment (for PAL) Adjusting method: Adjusting method: 1. Adjust LCD “R Bright” so that the amplitude of the CL172 1. Adjust LCD “Tint” so that the amplitude of CL172 waveform waveform is VG – 0.1 0.05 Vp-p with respect to the CL173 is minimum.

  • Page 22: Troubleshooting Guide

    4. TROUBLESHOOTING GUIDE POWER LOSS INOPERTIVE TAKING INOPERATIVE PUSH SUTTER NORMAL MAIN SW MAIN SW ON BUTTON IC301-2, 3 IC301-4 (SCAN IN 0) CHECK CHECK R3025, (SCAN IN 4, 5) PULSE INPUT S3062, R3021 R3026, D3067, D3068 PULSE INPUT CN301-7, 8 CHECK IC301, IC302-7 (UNREG) CHECK PW1, CA2...

  • Page 23: Parts List

    5. PARTS LIST LOCATION PARTS NO. DESCRIPTION LOCATION PARTS NO. DESCRIPTION 411 018 1802 SCR PAN PCS 1.7X2.5 CABINET & CHASSIS PARTS 1 411 177 8407 SCR S-TPG PAN PCS 1.7X3 636 055 5112 ASSY,COVER LENS A-SX112/E 636 054 7216 SPRING P COVER-SX112/J 636 055 2333 ASSY,CABI FRONT-SX112/J...

  • Page 24: Cabinet And Chassis Parts 2

    LOCATION PARTS NO. DESCRIPTION LOCATION PARTS NO. DESCRIPTION 636 055 4931 COMPL PWB,CA-3,VPC-SX500EX ONLY CABINET & CHASSIS PARTS 2 636 056 2653 SPACER LENS-SX112/J 645 035 4458 LENS(ASSY) 411 018 3707 SCR PAN PCS 1.7X4 411 018 1802 SCR PAN PCS 1.7X2.5...

  • Page 25: Electrical Parts

    ELECTRICAL PARTS Note: 1. Materials of Capacitors and Resistors are abbreviated as follows ; Resistors Capacitors MT-FILM Metallized Film Resistor MT-POLYEST Metallized Polyester Capacitor MT-GLAZE Metallized Glaze Resistor MT-COMPO Metallized Composite Capacitor OXIDE-MT Oxide Metallized Film Resistor TA-SOLD Tantalum Solid Capacitor AL-SOLID Aluminum Solid Capacitor NP-ELECT...
  • Page 26 IC111 409 426 7707 IC W48C53-08H C1424 403 322 1005 CERAMIC 0.1U Z 16V IC121 409 468 5105 IC 24002112D, VPC-SX500EX ONLY C1501 403 334 3806 CERAMIC 10U K 6.3V IC121 409 473 5206 IC 24000112N, VPC-SX500 ONLY C1508 403 276 3100...
  • Page 27 R1103 401 226 1503 MT-GLAZE 0.000 ZA 1/16W,VPC-SX500 ONLY 405 092 1209 TR 2SA1577-Q R1104 401 226 1503 MT-GLAZE 0.000 ZA 1/16W,VPC-SX500EX ONLY 405 092 1407 TR 2SA1577-R R1108 401 105 7909 MT-GLAZE 0.000 ZA 1/16W Q5104 405 115 6907...
  • Page 28 403 113 3805 CERAMIC 1000P K 50V,VPC-SX500 ONLY CN175 645 027 7085 PLUG,8P (N.S.P) C1724 403 139 7306 CERAMIC 18P J 50V,VPC-SX500EX ONLY CN512 645 005 6901 PLUG,SIDE-ZR-SM3 (N.S.P) C1726 403 207 0307 CERAMIC 1U Z 16V Y1702 636 055 2982...
  • Page 29 LOCATION PARTS NO. DESCRIPTION LOCATION PARTS NO. DESCRIPTION D5404 407 202 0102 DIODE F1SN4 C5069 403 345 3901 CERAMIC 3.3U M 6.3V D5405 407 199 4503 DIODE CR08AS-8-T1 C5070 403 343 3101 CERAMIC 1U K 6.3V D5407 407 162 8507 DIODE DAN222 C5072 403 345 3000...
  • Page 30 LOCATION PARTS NO. DESCRIPTION LOCATION PARTS NO. DESCRIPTION R5072 401 224 9402 MT-GLAZE 1.0M JA 1/16W IC311 409 407 0505 IC TK11331BM R5073 401 258 0406 MT-GLAZE 120K DC 1/16W IC312 409 432 2505 IC LMV321M7X R5074 401 258 9300 MT-GLAZE 220K DC 1/16W IC313 409 432 2505...

  • Page 31: Accessories & Packing Materials

    MT-GLAZE 4.7K JA 1/16W English,Spanish, French, German) R3106 401 105 0504 MT-GLAZE 1K JA 1/16W 9118 636 055 5235 INSTRUCTION MANUAL (SANYO Software Pack: R3107 401 105 3406 MT-GLAZE 27K JA 1/16W English) R3108 401 105 2805 MT-GLAZE 2.2K JA 1/16W...
  • Page 33 SANYO Electric Co., Ltd. Nov./ '99/ 4,760 MI Printed in Japan Osaka, Japan...

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