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Sanyo PLC-SW20A Service Manual

Sanyo plc-sw20a multimedia projector
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SERVICE MANUAL
TECHNICAL SPECIFICATIONS ------------------------------------------------------------- 2
SAFETY INSTRUCTIONS --------------------------------------------------------------------- 3
LAMP REPLACEMENT------------------------------------------------------------------------- 4
PROTECTIONS ---------------------------------------------------------------------------------- 5
MECHANICAL DISASSEMBLIES ----------------------------------------------------- 6 - 10
ADJUSTMENT ---------------------------------------------------------------------------- 11 - 14
OPTION RESISTORS ------------------------------------------------------------------------- 15
CIRCUIT BLOCK DIAGRAM ---------------------------------------------------------------- 15
POWER SUPPLY LINES -------------------------------------------------------------------- 16
POWER SOURCE LIST OF IC ------------------------------------------------------- 17 - 18
ELECTRICAL PARTS LIST ------------------------------------------------------------ 19 - 34
MECHANICAL PARTS LIST & ACCESSORIES --------------------------------- 36 - 37
PIN DESCRIPTION OF DIODE, TRANSISTOR AND IC ---------------------------- 38
PRINTED WIRING BOARD DIAGRAMS ------------------------------------------ B1 - B2
SCHEMATIC DIAGRAMS ------------------------------------------------------------- C1 - C6
PRODUCT CODE
1 122 147 00 PLC-SW20A (MS8A)
1 122 148 00 PLC-SW20A (PS8A)
1 122 148 02 PLC-SW20A (PS8C)
Multimedia Projector
CONTENTS
FILE NO.
Model No. PLC-SW20A
(U.S.A., Canada, Europe
Asia, Africa U.K.)
ORIGINAL VERSION
Chassis No. MS8-SW20A00
(PLC-SW20A)
NOTE: Match the Chassis No. on the
unit's back cover with the Chassis
No. in the Service Manual.
If the Original Version Service
Manual Chassis No. does not
match the unit's, additional
Service Literature is required. You
must refer to "Notices" to the
Original Service Manual prior to
servicing the unit.
Pages
REFERENCE NO.
SM5110388-00

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Summary of Contents for Sanyo PLC-SW20A

  • Page 1: Table Of Contents

    PIN DESCRIPTION OF DIODE, TRANSISTOR AND IC ---------------------------- 38 PRINTED WIRING BOARD DIAGRAMS ------------------------------------------ B1 - B2 SCHEMATIC DIAGRAMS ------------------------------------------------------------- C1 - C6 PRODUCT CODE 1 122 147 00 PLC-SW20A (MS8A) SM5110388-00 REFERENCE NO. 1 122 148 00 PLC-SW20A (PS8A)

  • Page 2: Technical Specifications

    ■ Technical Specifications Projector Type Multi-media Projector Dimensions 10.12" x 2.98" x 9.02" (257mm x 75.8mm x 229mm) (not including Adjustable Feet) (W x H x D) Net Weight 6.2lbs (2.8 kg) LCD Panel System 0.7" TFT Active Matrix type, 3 panels Panel Resolution 800 x 600 dots Number of Pixels...

  • Page 3: Safety Instructions

    ■ Safety Instructions ■ SAFETY PRECAUTIONS WARNING: The chassis of this projector is isolated (COLD) from AC line by using the converter transformer. Primary side of the converter and lamp power supply unit circuit is connected to the AC line and it is hot, which hot circuit is iden- tified with the line ( ) in the schematic diagram.

  • Page 4: Lamp Replacement

    ■ Lamp Replacemant When the life of Projection Lamp of this projector draws to an end, LAMP REPLACEMENT indicator lights yellow. When a projected image becomes dark or the color of an image becomes unnatural, replacement of Projection Lamp is required. CAUTION CAUTION For continued safety, replace with a lamp...

  • Page 5: Protections

    ■ Protections This projector is equipped with the following protections to operate in safety. If the abnormality occurs inside the projector, it will turn off the projector by operating one of the following protections. ■ FUSE FOR CIRCUIT PROTECTION The fuse is located on the ass'y-power. When either the LAMP indicator or the READY indicator is not illuminated, fuse may be opened.

  • Page 6: Mechanical Disassemblies

    ■ Mechanical disassemblies CABINET - TOP REMOVAL 1. Remove five screws-A. 2. Grasp the rear both ends of Cabinet-front with both Hook hands, and slightly pull upward. 3. Release hook, by pressing down "C" portion lightly with finger. 4. Grasp the rear both ends of Cabinet-front with both hands, pull up and remove upwards.
  • Page 7 ■ Mechanical disassemblies 3. ASS'Y - MAIN AND ASS'Y - SUB REMOVAL 1. Remove seven screws and remove Ass'y Main. 2. Remove three screws and remove Ass'y-Sub. See figure right. 4. ASS'Y - POWER AND FAN (FN903) REMOVAL 1. Remove seven screws and remove Ass'y Power. 2.
  • Page 8 ■ Mechanical disassemblies 5. ASS'Y - AV AND FAN (FN907) REMOVAL 1. Remove five screws and remove Ass'y AV. 2. Remove three screws and remove Fan (FN907). See figure right. FN907 6. ASS'Y - LAMP - BSALLAST REMOVAL 1. Remove six screws and remove Ass'y Lamp-ballast.
  • Page 9 ■ Mechanical disassemblies 7. OPTICAL UNIT, FAN (FN901) AND LOUVER REMOVAL 1. Remove eight screws and remove Optical unit. 2. Remove three screws and remove Fan(FN901) and louver. See figure right. 8. AIR DUCTS AND FANS REMOVAL 1. Remove four screws-A and remove Duct-FR and FN905.
  • Page 10 ■ Mechanical disassemblies 9. Projection lens and Assembly Panel-Prism removal Never touch the electrode of flexible cables. 1. Remove four screws and remove projection lens. 2. Remove three screws and remove Assembly Panel- Prism. See figure right. Caution : Don't disassemble Assembly-Panel-Prism other wise parts may damaged -10-...

  • Page 11: Adjustment

    ■ Adjustment ■ SERVICE ADJUSTMENT MENU OPERATION ■ To enter service mode Normal Mode Service Mode "MENU" To enter service mode press the "MENU" and "IMAGE" "IMAGE" Service Mode Computer buttons on the projector simultaneously and hold for 2 seconds. As shown in a figure, a service mode display "POWER ON/OFF"...
  • Page 12 ■ Adjustment ■ SERVICE MODE ADJUSTMENT MENU Adjustment Mode Adjustment Item Item-no. Component Not designated ● 1. Fan driving voltage adjustment ● 1. Fan driving voltage adjustment ● 2. PSIG adjustment ● 2. PSIG adjustment ● 3. Signal center DC adjustment-Red ●...

  • Page 13: Electrical Adjustments

    ■ Adjustment ■ ELECTRICAL ADJUSTMENTS 1. Fan driving voltage adjustment 3. Signal center DC adjustments Equipment Digital voltmeter. Equipment Digital voltmeter. Input mode Computer Test point TP66A Input Signal 16 step gray scale signal Enter the Service mode. Enter the Service mode. 1.
  • Page 14 ■ Adjustment 5. Gain (Signal Amplitude) adjustments 8. White Balance Adjustments Equipment Oscilloscope Input Signal 16 step gray scale signal Input Signal 16 step gray scale signal Enter the Service mode. Adjust each value of below item to be good white balance Enter the Service mode.

  • Page 15: Option Resistors

    ■ Option Resistors This model is decided the Option Resisters on the main board as shown below list. Note: If these resistors are not proper, the set does not operate correctly. Refer to the parts list for order. Location Value R1841 / R1841A 0Ω...

  • Page 16: Power Supply Lines

    ■ Power Supply Lines Lamp Ballast AC In Power Unit Interlock Switch Termostat Switch PE:Power Error Line Main Unit IC822 IC822 IC301 K56N D5610 IC1804 15.5V D6601-7 Power ON/OFF Q6603 (FAN Drive) D5601 D5611 Sub Unit K56M For Panel IC5611 D2502 K26P 15.5V...

  • Page 17: Power Source List Of Ic

    ■ Power Source List of IC Type Volt Pin No. Location Type Volt Pin No. Location (Main Unit) (Main Unit) IC4801 2.5V IC6101 IC4802 3.3V IC6101 IC4803 IC6102 IC3801 IC6151 IC3871 3.3V IC1824 IC3841 IC251 IC871 IC7208 IC881 IC7209 IC891 IC7210 IC1821 3.3V...
  • Page 18 ■ Power Source List of IC Type Volt Pin No. Location (Sub Unit) Note: SWD 3.3V IC401 Always SWD 2.5V IC401 For Video (Digital) SWD 5V 20,21 IC3561 IC410 DIG: For Digital IC420 AUD: For Audio IC430 ANLG: For Analog IC440 SWD 15.5V IC1401...

  • Page 19: Electrical Parts List

    ■ Electrical Parts List Product safety should be considered when a component replacement is made in any area of a projector. Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety. It is particularly recommended that only parts specified on the following parts list be used for components replacement pointed out by the mark.
  • Page 20 Electrical Parts List Key No. Part No. Description Key No. Part No. Description R1016 401 105 0306 MT-GLAZE 10 JA 1/16W OUT OF CIRCUIT BOARD R1017 401 105 0306 MT-GLAZE 10 JA 1/16W LP900 610 295 5712 COMPL,OPTICAL LAMP MS8A R1018 401 105 0306 MT-GLAZE...
  • Page 21 Electrical Parts List Key No. Part No. Description Key No. Part No. Description L2006 645 044 8836 FILTER,EMI 100MHZ L2023 645 044 8836 FILTER,EMI 100MHZ 610 300 2507ASSY,PWB,MAIN MS8A 1AA0B10C398AA L2024 645 044 8836 FILTER,EMI 100MHZ L2025 645 045 6183 FILTER,EMI 25MHZ TRANSISTOR L2041...
  • Page 22 Electrical Parts List Key No. Part No. Description Key No. Part No. Description 405 015 8704 TR 2SC2812-L6-TB Q6603 405 014 4509 TR 2SC2412K T146 R 405 015 8902 TR 2SC2812-L7-TB 405 014 4608 TR 2SC2412K T146 S 405 163 1602 TR 2SC2812N-L6-TB0 405 015 8704 TR 2SC2812-L6-TB...
  • Page 23 Electrical Parts List Key No. Part No. Description Key No. Part No. Description 405 163 1701 TR 2SC2812N-L7-TB0 IC3871 409 380 6303 IC HIN232CB Q7203 405 138 7905 TR DTC123JKA-T146 409 273 3501 IC SP232ACT Q7204 405 138 7905 TR DTC123JKA-T146 IC4801 410 378 7103 IC PIC12C508A-04/SM A...
  • Page 24 Electrical Parts List Key No. Part No. Description Key No. Part No. Description C1801 403 162 4709 ELECT 10U M C5004 403 205 7803 TA-SOLID 2.2U M C1802 403 164 0204 CERAMIC 0.1U Z C5006 403 205 7803 TA-SOLID 2.2U M C1821 403 283 6309 CERAMIC...
  • Page 25 Electrical Parts List Key No. Part No. Description Key No. Part No. Description C5614 403 164 0204 CERAMIC 0.1U Z C7201 403 215 0900 CERAMIC 390P J C5615 403 341 3905 POS-SOLID 100U M 6.3V C7211 403 164 0204 CERAMIC 0.1U Z C5616 403 164 0204...
  • Page 26 Electrical Parts List Key No. Part No. Description Key No. Part No. Description 645 037 0830 R-NETWORK 47X4 1/32W RB7101 645 036 3528 R-NETWORK 0X4 1/32W RB205 645 036 0985 R-NETWORK 47X4 1/32W 645 037 0816 R-NETWORK 0X4 1/32W 645 037 0830 R-NETWORK 47X4 1/32W RL5605 401 190 1707...
  • Page 27 Electrical Parts List Key No. Part No. Description Key No. Part No. Description R1841A 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R354 401 105 0306 MT-GLAZE 10 JA 1/16W R1842 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R355 401 105 5301 MT-GLAZE 4.7K JA 1/16W R1842A...
  • Page 28 Electrical Parts List Key No. Part No. Description Key No. Part No. Description R5016 401 105 1501 MT-GLAZE 1.5K JA 1/16W R6105 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R5017 401 105 2003 MT-GLAZE 1.8K JA 1/16W R6106 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R5018...
  • Page 29 Electrical Parts List Key No. Part No. Description Key No. Part No. Description R6630 401 190 1707 MT-GLAZE 0.000 ZA R7241 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R7109 403 139 7504 CERAMIC 39P J R7242 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R7126 401 105 7909...
  • Page 30 Electrical Parts List Key No. Part No. Description Key No. Part No. Description R888 401 105 0306 MT-GLAZE 10 JA 1/16W D5631 407 149 0807 DIODE 1SS355-TE-17 R892 401 105 7909 MT-GLAZE 0.000 ZA 1/16W D5651 407 149 0807 DIODE 1SS355-TE-17 R893 401 105 0603 MT-GLAZE...
  • Page 31 Electrical Parts List Key No. Part No. Description Key No. Part No. Description 405 163 1602 TR 2SC2812N-L6-TB0 C2506 403 164 0204 CERAMIC 0.1U Z 405 163 1701 TR 2SC2812N-L7-TB0 C2507 403 164 0204 CERAMIC 0.1U Z Q7274 405 014 4509 TR 2SC2412K T146 R C2509 403 164 0204...
  • Page 32 Electrical Parts List Key No. Part No. Description Key No. Part No. Description C512 403 229 3508 ELECT 100U M RB404 645 034 5050 R-NETWORK 22X4 1/32W C513 403 164 0204 CERAMIC 0.1U Z 645 037 0823 R-NETWORK 22X4 1/32W C515 403 164 0204 CERAMIC...
  • Page 33 Electrical Parts List Key No. Part No. Description Key No. Part No. Description R2515 401 105 0306 MT-GLAZE 10 JA 1/16W R406 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R2516 401 148 6006 MT-GLAZE 2.2 JA 1/16W R408 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R2517...

  • Page 34: Electrical Parts List

    Electrical Parts List Key No. Part No. Description Key No. Part No. Description R516 401 105 2607 MT-GLAZE 22 JA 1/16W D2621 407 149 0807 DIODE 1SS355-TE-17 R518 401 105 2607 MT-GLAZE 22 JA 1/16W MISCELLANEOUS R531 401 105 7909 MT-GLAZE 0.000 ZA 1/16W X7271...
  • Page 35 Electrical Parts List Key No. Part No. Description Key No. Part No. Description -35-...

  • Page 36: Mechanical Parts List & Accessories

    ■ Mechanical Parts List & Accessories 101C 101A 101B -36-...

  • Page 37: Mechanical Parts List & Accessories

    ASSY,REMOCON CXJC 610 297 5161 COMPL,CABINET FRONT-MW6A 610 294 3436 RC-BATTERY HOLDER-CXJC OWNER'S MANUAL (Included ‘5-A’) (English) 645 047 8031 BADGE,SANYO*26.2X5.7L26.0 610 295 2971 CAP LENS-MW6A 610 300 8332 OWNER'S MANUAL-MS8A (Germany) 610 271 1646 SPACER H-M6KA 610 293 9002...

  • Page 38: Pin Description Of Diode, Transistor And Ic

    ■ Pin Description of Diode, Transistor and IC ● Diode K: Cathode A: Anode ● Transistor/FET C: Collector D: Drain B: Base G: Gate Index E: Emitter S: Source C1 C2 C1 C2 ● IC (GND) RESET (IN) (OUT) Index Index Index Index...
  • Page 39 Memo...
  • Page 40 AUG / 2002 Printed in Japan SANYO Electric Co., Ltd.

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