Sanyo PLC-SU20E Service Manual
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Sanyo PLC-SU20E Service Manual

Sanyo PLC-SU20E Service Manual

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SERVICE MANUAL

PRODUCT CODE
(PA6A)
PLC-SU20E:
(PA6C)
PLC-SU20B:
Multimedia Projector
1 122 068 00
1 122 068 02
FILE NO.
Model No. PLC-SU20E
(Europe, Asia, Africa,
M.E.)
PLC-SU20B
(U.K.)
Original Version
Service Ref. No.: PLC-SU20E-00
PLC-SU20B-00
Give complete "Service Ref. No." for parts
order or servicing, it is shown on the rating
sheet on the projector.
REFERENCE NO.
SM
5110048

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Table of Contents

Troubleshooting

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Summary of Contents for Sanyo PLC-SU20E

  • Page 1: Service Manual

    Model No. PLC-SU20E (Europe, Asia, Africa, M.E.) PLC-SU20B (U.K.) Original Version Service Ref. No.: PLC-SU20E-00 PLC-SU20B-00 Give complete “Service Ref. No.” for parts order or servicing, it is shown on the rating sheet on the projector. PRODUCT CODE REFERENCE NO.

  • Page 2: Table Of Contents

    Contents Safety instructions ________________________________________________3 Specifications __________________________________________________ 4 Adjustments after parts replacement ________________________________ 5 Circuit protections ______________________________________________ 6-7 Fuse ______________________________________________________ 6 Thermal switch ______________________________________________ 7 Warning temperature and power failure protection ____________________ 7 Mechanical disassemblies ______________________________________ 8-13 Optical parts disassemblies ____________________________________ 14-18 LCD panel replacement __________________________________________ 19 Lamp replacement ____________________________________________ 20-22 Optical adjustments __________________________________________ 23-25...

  • 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: Specifications

    Specifications Projector Type Multi-media Projector Dimensions (W x H x D) 239mm x 90mm x 323mm Net Weight 3.9kg LCD Panel System 0.9” TFT Active Matrix type, 3 panels Panel Resolution 800 x 600 dots Number of Pixels 1,440,000 (800 x 600 x 3 panels) Color System 6 color system (PAL, SECAM, NTSC, NTSC4.43, PAL-M and PAL-N) Scanning Frequency...

  • Page 5: Adjustments After Parts Replacement

    Adjustments after Parts Replacement : Adjustment necessary : Check necessary : Specified adjustment necessary see LCD Panel Replacement Disassembly / Replaced Part LCD Panel Polarized glass Main Comp. Board Integrator P.F.C lens Board Convergence Adjustment R-Convergence adjustment B-Convergence adjustment Integrator Lens Adjustment Contrast Adjustment R-Contrast adjustment G-Contrast adjustment...

  • Page 6: Circuit Protections

    Circuit Protections This projector is equipped with the following circuit protections to operate in safety. If the abnormality occurs inside the projector, it will automatically turn off by operating one of the following protection circuits. Fuse The fuse is located inside of the projector. When either the LAMP indicator or the READY indicator is not illuminat- ed, fuse may be opened.

  • Page 7: Warning Temperature And Power Failure Protection

    Circuit Protections Warning temperature and power failure protection The TEMP WARNING indicator flashes red and the projector will automatically turn off when the internal tempera- ture of the projector exceeds the normal temperature or when stopping cooling fans or when the internal power sup- ply lines are failed.

  • Page 8: Mechanical Disassemblies

    Mechanical Disassemblies Mechanical disassemble should be made following procedures in numerical order. Following steps show the basic procedures, therefore unnecessary step may be ignored. Caution: The parts and screws should be placed exactly the same position as the original otherwise it may cause loss of performance and product safety.
  • Page 9 Mechanical Disassemblies 3. FRONT CABINET, VIEWER LED BOARD* REMOVAL 1) Remove 4 screws (A) and remove the front cabinet forward. 2) Remove a screw (B) and remove the Viewer LED Board. * Model without the PC Card slot does not provide the Vierwer Board. Viewer LED Board * Fig.3...
  • Page 10 Mechanical Disassemblies 5. AV BOARD, REAR CABINET, FAN REMOVAL (FN904, FN905) 1) Pull the Rear Cabinet Ass’y upward. Spacer 2) Remove a screw (A) and take the spacer off. Thermal Switch 3) Remove 2 screws (B) and remove the (SW902) Thermal Switch (SW902).
  • Page 11 Mechanical Disassemblies 7. LAMP BALLAST UNIT REMOVAL 1) Remove 2 screws (A) and disconnect the lamp socket. 2) Remove 2 screws (B) and pull the Lamp Ballast Ass’y upward. 3) Remove 2 screws (C) and remove the Lamp Ballast Unit from Lamp Ballast Holder the Lamp Ballast Holder.
  • Page 12 Mechanical Disassemblies 9. POWER, P.F. BOARD REMOVAL 1) Remove screws (A) and pull the Power Board Ass’y upward. 2) Remove 3 screws (B) and take the Power Board off from the Power Board Holder. 3) Remove the P.F. Board from the Power Board. Power Board P.F.
  • Page 13 Mechanical Disassemblies 11. SERVICE POSITION For servicing the AV, AV Sub, Main-A and Main-D Board, it is advisable to set up the service position for the checking and testing easily following to below steps 1) Remove the AV, AV Sub and Main-A/D Board following to steps 1~5 of “Mechanical Disassemblies”.

  • Page 14: Optical Parts Disassemblies

    Optical Parts Disassemblies Remove the Cabinet Top , AV Sub, Main-B/C Board following to the “Mechanical Disassemblies”, before proceed- ing these disassemblies. 1. PROJECTION LENS REMOVAL 1) Remove the Optical Unit/Projection Lens following to the step 8 of “Mechanical Disassemblies”. 2) Remove 4 screws and remove the Projection Lens.
  • Page 15 Optical Pats Disassemblies 3. INTEGRATOR LENS-IN ASS’Y DISASSEMBLY Remove 2 screws (A) and take the Integrator Lens-IN off from the lens holder. Lens Surface Lens Holder Integrator Lens-IN Fig.4 4. OPTICAL UNIT TOP REMOVAL 1) Remove each screw (A) and remove the Polarized Glass Holders. 2) Remove 4 screws (B) and take the Optical Unit Top off.
  • Page 16 Optical Parts Disassemblies 5. INTEGRATOR LENS-OUT ASS’Y REMOVAL Remove 2 screws (A) and pull the Integrator Lens-OUT Ass’y downward. Fig.6 Integrator Lens-OUT Ass’y Lens Surface Fig.7 6. INTEGRATOR LENS-OUT ASS’Y DISASSEMBLY Remove the Lens Holder and disassembly the Integrator Lens-OUT Ass’y. Lens Holder Prism Assy (Beam Splitter)
  • Page 17 Optical Parts Disassemblies Parts Name and Locations When the optical parts mounting or assembling, the parts must be mounted in the specified location and direction. Please refer to the figure below and “Mounting direction of optical parts” on next page. Part name Part name Prism ass’y...

  • Page 18: Optical Parts Disassemblies

    Optical Parts Disassemblies Mounting direction of optical parts The optical parts must be mounted in specified direction otherwise the picture image will not reproduce correctly. Mounting direction of Lens (Key No. 2, 3, 4, 5, 6, 7) Lens (Key No. 2) is mounted as shown in Fig.9. Lens (Key No.

  • Page 19: Lcd Panel Replacement

    LCD Panel Replacement IMPORTANT NOTICE on LCD Panel Replacement There are 2 types (Type A, Type B listed on next page) of LCD panels which they have a different characteristics used for this model. As the only Type B LCD panels are supplied for the service spare parts, take care the follow- ing notice when the LCD panel replacement.
  • Page 20 COMBINATION OF LCD PANELS When replacing the LCD panel, confirm the indication of the LCD panel, then replace the correct LCD panel. Select either combination (1) or (2) when in combine the R, G and B LCD panel. There is no combination to be used except them. As the only Type B LCD panels are supplied for the service spare parts, the service parts for the Type A LCD pan- els are not available.
  • Page 21 REPLACED LCD PANEL ADJUSTMENTS After replacing LCD panels, [Video Adjustment] should be carried out for obtaining better performance. This only required when replacing the LCD panel from “Type A” to “Type B”. VIDEO ADJUSTMENT Please change the data value of service data for referring to the following adjustment. This should be performed when replacing the LCD panel.

  • Page 22: Lamp Replacement

    Lamp Replacement WARNING: Service Parts No.: 610 280 6939 Description: Lamp Assy (POA-LMP21J) - For continued safety, replace with a lamp assembly of the same type. - Allow the projector to cool for at least 45 minutes before you open the lamp cover. The inside of the projector can become very hot.

  • Page 23: Optical Adjustments

    Optical Adjustments CONVERGENCE ADJUSTMENT For convergence adjustment, use Green as the reference standard. Align Red and Blue with Green by adjusting the position and angle of the Red and Blue LCD panels. Screws “A”, “B”, “C” (Fig.1) are for convergence adjust- ment.

  • Page 24: Contrast Adjustment

    Optical Adjustments CONTRAST ADJUSTMENT [Before Adjustment] - Adjustment requires a 2.0mm hex wrench and a slot screwdriver. - Remove cabinet cover following to step1 of “Mechanical Disassemblies”. - Input a 100% of black raster signal. [R/G/B-CONTRAST ADJUSTMENT] 1. Insert paper etc. in front of the LCD panels to block unnecessary lights.

  • Page 25: Integrator Lens Adjustment

    Optical Adjustments INTEGRATOR LENS ADJUSTMENT [Before Adjustment] - Adjustment requires a 2.0mm hex driver and a slot screwdriver. - Remove the cabinet top following to “Cabinet Disassemblies”. - Disconnect AV sub board and connectors FPC cable of LCD panels on the main unit. [Adjustment] screws “A”...

  • Page 26: Electric Adjustments

    Electrical Adjustments Service Adjustment Menu Operation To enter the service mode To enter the “Service Mode”, press and hold the MENU and NORMAL button on the projector for more than 3 sec- onds. The service mode display appears on the screen as follows. To adjust service data Select the adjustment item no.

  • Page 27: Circuit Adjustments

    Electrical Adjustments Circuit Adjustments CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the follow- ing adjustments except requiring the readjustments in servicing otherwise it may cause loss of perfor- mance and product safety. [Adjustment Condition] Input signal Video signal ....1.0Vp-p/75Ω...
  • Page 28 Electrical Adjustments OFFSET ADJUSTMENT-[CG] VIDEO GAIN ADJUSTMENT-[CG/MCI] 1. Receive the 16-step gray scale video signal. [CG-VIDEO GAIN ADJUSTMENT] 2. Set to COMPUTER mode. 1. Receive the 16-step grey scale computer signal. 2. Set to COMPUTER mode. [R-OFFSET ADJUSTMENT] 3. Connect an oscilloscope to test point “TP2221G” (+) 3.
  • Page 29 Electrical Adjustments VIDEO-GAIN ADJUSTMENT-[AV] NRS ADJUSTMENT Presetting 1. Receive the 16-step grey scale computer signal. 1. Receive the 16-step grey scale video signal. 2. Set to COMPUTER mode. 2. Set to VIDEO mode. 3. Connect an oscilloscope to test point “TP3571” (+) and chassis ground (-).
  • Page 30 Electrical Adjustments CG/MCI/AV VIDEO ADJUSTMENT-1 CG/MCI/AV VIDEO ADJUSTMENT-2 Presetting [CG-VIDEO ADJUSTMENT-2] 1. Input the 16-step gray scale video signal, MCI signal 1. Receive the 16-step grey scale computer signal. and computer signal. 2. Set to COMPUTER mode. 3. Connect an oscilloscope to test point “TP512” (+) and [CG/MCI/AV-VIDEO ADJUSTMENT] * chassis ground (-).
  • Page 31 Electrical Adjustments COMMON CENTER ADJUSTMENT BLACK BALANCE ADJUSTMENT 1. Receive the 16-step gray scale computer signal. [AV BLACK BALANCE ADJUSTMENT] 2. Set to COMPUTER mode. 1. Receive the 16-step grey scale video signal. 2. Set to VIDEO mode. [R-COMMON CENTER ADJUSTMENT] 3.
  • Page 32 Electrical Adjustments WHITE UNIFORMITY ADJUSTMENT This adjustment should be carried out when existing unbalanced white uniformity on the screen or after replacing the LCD panels. (When replacing the main board-A, the memory IC, IC302 on the main board-A should be replaced with the one on previous board, so that the white uniformity adjustment may not be required because the data of white uniformity adjustment are stored in this memory IC, IC302.) White uniformity compensation adjustment system of this model divided the screen into 13 in vertical direction and...

  • Page 33: Service Adjustment Data Table

    Electrical Adjustments Service Adjustment Data Table The initial value is the reference data writing to the memory IC by the CPU ROM when the memory IC replacing. The Adjustment item which is indicated with “ ” is required to read- justed in the “Electrical adjustments”.

  • Page 34: Electrical Adjustments

    Electrical Adjustments Initial Value Adjustment Item Range Description PIXEL GAIN B 0 ~ 255 Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used NTSC AV Total-Dots 2015 2078 0 ~ 4096 AV Display-Dots AV H Back-Porch AV V Back-Porch...

  • Page 35: Test Points And Locations

    Electrical Adjustments Test Points and Locations Main Comp-A Board IC805 Main Comp-B Board P.F.C Board HIC Board VR01 IC01 -35-...

  • Page 36: Troubleshooting

    Troubleshooting NO POWER Refer to next page When power on/off button is pressed, the input voltage at pin 47 comes High. IC1901 SUB CPU KEY2 ON/OFF BUTTON L: ABNORMAL POWER FAIL To each boards H: ABNORMAL LAMP DET. L: ABNORMAL TEMP DET.
  • Page 37 Troubleshooting Is thermal switch (SW901) operating ? If peripheral temperatures at the optical unit reaches 85˚C, the thermal switch turns off. SW901 -- OPEN: abnormal Abnormal temperature detection at the periphery of optical unit. SW901 Is projection of lamp cover inside broken or not fitting correctry ? Check the interlock switch (SW904) and lamp cover.
  • Page 38 Troubleshooting NO POWER PERIPHERY OF CHASSIS MAIN COMP-C BOARD 1. Is fuse (F901) blown? 1. Check that the Vcc-voltage(+5V) is applied to pins 4, Fuse may be opened when either the LAMP indica- 5 of K30R and pins 61-64 of K30EE. tor or the READY indicator isn't Illuminated.

  • Page 39: No Picture

    Troubleshooting NO PICTURE AV, AV SUB BOARD MAIN COMP-A BOARD 1. Check that the Vcc-voltages(+5V, -5V) are applied to 1. Check that the AV/CG switching signal is correct. AV circuits. Pin 16 of IC5201 ...........AV: H, CG: L Pins 10, 11 of IC5282 ........AV: L, CG: H Pins 45-48 of K3001, pins 29-32 of K3002 ....5V 2.

  • Page 40: No Sound

    Troubleshooting NO SOUND AV, AV SUB BOARD POWER BOARD 1. Check that the Vcc-voltage(+9V) is applied at pins 3- 1. Check that sound volume control signal is correct. 6 of K3802. Pin 4 of IC001 2. Check that the AV/CG switching signal is correct. 2.

  • Page 41: Control Port Functions

    Control Port Functions SUB CPU (IC1901) Port Functions Pin No. Function Name Function Polarity RXD0 RXD 0(Write for Sub CPU flash ROM) active: L TXD1 TXD 0(Write for Sub CPU flash ROM) active: L CNVSS Write for Sub CPU flash ROM MSCL S-IIC SCL active: L...

  • Page 42: Control Port Functions

    Control Port Functions I/O Expander (IC1904) Port Functions Pin No. Function Name Function Action no use L: active L: active AV/CG Switch NTSC/OTHER ADPD L: MCI H: else MCISEL L: MCI H: else FOCUS - L: ON H: OFF FOCUS + L: ON H: OFF ZOOM - L: ON H: OFF...

  • Page 43: Waveforms

    Waveforms TP6131 TP2101 AV VIDEO V-SYNC TP217 TP221R TP201 R-INPUT R-INPUT TP218 TP221G TP202 G-INPUT G-INPUT TP-219 TP221B TP203 B-INPUT B-INPUT -43-...

  • Page 44: Waveforms

    Waveforms TP8253 TP8254 V-SYNC H-SYNC TP501 TP2211R TP511 S&H R-OUTPUT R-OUTPUT TP502 TP2221G TP512 S&H G-OUTPUT G-OUTPUT TP503 TP2231B TP513 S&H B-OUTPUT B-OUTPUT -44-...
  • Page 45 TPDVS TPDHS V-SYNC H-SYNC TP3571 -45-...

  • Page 46: Cleaning

    Cleaning After long periods of use, dust and other particles will accumulate on the LCD panel, prism, mirror, polarized glass, lens, etc., causing the picture to darken or color to blur. If this occurs, clean the inside of optical unit. Remove dust and other particles using air spray.

  • Page 47: Ic Block Diagrams

    IC Block Diagrams AN5265 <AUDIO OUTPUT, IC001> AV9155C <PLL, IC1301> 2XCPU OUTPUT SCLK20-22 BUFFERS CLOCK 14.318MHz crystal REFERENCE CLOCK 14.318MHz KBCLK 14.318MHz OUTPUT PERIPHERAL BUSCLK BUFFERS CLOCK FDCLK COMMCLK POWER-DOWN AGND -47-...
  • Page 48 IC Block Diagrams CXA2016S <Sync Separator, IC3031> CXA2076Q <Video/Chroma, IC1101> 2Vp-p DVcc1 H SYNC PHASE VM OFF DVcc2 DGND V SYNC PHASE PHASE SYNC GATE 1 / 32 H.DRIVE 37 HD OUT DET. SHIFT CV / YC Send 10 SCPOUT H POSI TRAN Castle...
  • Page 49 IC Block Diagrams CXA2111R <LCD Driver, IC401> CXA2112R <Sample & Hold, IC501, IC531, IC561> -49-...
  • Page 50 IC Block Diagrams CXD3503R <White Uniformity Compensation, IC471> FA5331M <Power Factor Control, IC01> -50-...
  • Page 51 IC Block Diagrams IDT71V016S <RAM, IC805> LA7217M <Sync. Separator, IC6131> -51-...
  • Page 52 IC Block Diagrams LB1641<Motor Drive, IC5501, IC5551> LC4105V <Buffer, IC3501, IC3521, IC3541> -52-...
  • Page 53 IC Block Diagrams M62358FP <DAC, IC431> MB40988PFQ<D/A COnverter, IC2200> -53-...
  • Page 54 IC Block Diagrams MC14538BF <IC7201> MPC948FA <Clock Driver, IC1302> -54-...
  • Page 55 IC Block Diagrams PW264 <System Control & Scan Converter, IC301> STR-Z2156 <Power SWitching Control, IC631> -55-...
  • Page 56 IC Block Diagrams TC4053BP <Switching, IC101, IC3001, IC3002, IC3571, IC5001, IC5282, IC6101,IC6151> TC9090AF <3-Line Y/C Separator, IC2101> -56-...
  • Page 57 IC Block Diagrams TDA4665T <1H Delay Line, IC181> ±(R-Y) SIGNAL ±(R-Y) CLAMPIMG SAMPLE LINE colour-difference MEMORY HOLD colour-difference input signals pre-amplifiers Addition output output signals stage buffers ±(B-Y) SIGNAL ±(B-Y) CLAMPIMG SAMPLE LINE MEMORY HOLD analogure supply 3MHz shifting clock FREQUENCY SANDCASTLE DIVIDER...

  • Page 58: Ic Block Diagrams

    IC Block Diagrams TDA9178T <Picture Improvement, IC121> -58-...

  • Page 59: Pins Description Of Ics, Transistors, Diodes

    Pin description of diode, transistor and IC Diode Diode K: Cathode A: Anode Transistor/FET Transistor/FET C: Collector D: Drain B: Base G: Gate Index E: Emitter S: Source C1 C2 C1 C2 (GND) RESET (IN) (OUT) Index Index Index Index Index Index Index...

  • Page 60: Parts Description In Schematic Diagram

    Parts description and reading in schematic diagram 1. The parts specification of resistors, capacitors and Resistor Reading coils are expressed in designated code. Please check Example 1/2 D J 10K B the parts description by the following code table. 2. Some of transistors and diodes are indicated in mark Characteristic for the substitution of parts name.

  • Page 61: Service Parts Lists

    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 62 Electrical Parts List Note: Parts order must contain Service Ref. No., Part No., and Descriptions. OUT OF CIRCUIT BOARD Main Comp-D Board FN901 Cooling Fan EL902R EL903B R-LCD Panel B-LCD Panel Main Comp-A Board A901 Lamp Ballast Unit EL901G G-LCD Panel SW901 Thermal switch Filter Board...
  • Page 63 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description OUT OF CIRCUIT BOARDS IC1301 409 428 7101 IC AV9155C IC1302 409 428 7606 IC MPC948FA IC141 409 350 3400 IC LT1253CS8 LP900 610 280 6939 LAMP ASSY (POA-LMP21J) IC161 409 408 4205 IC TDA8395T/N3...
  • Page 64 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description C1134 403 162 4709 ELECT 10U M 403 325 3303 CERAMIC 0.1U K C1135 403 343 8809 CERAMIC 0.47U Z C213 403 298 9609 CERAMIC 0.1U K C1136 403 164 0204 CERAMIC...
  • Page 65 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description C6122 403 325 4706 CERAMIC 0.047U K R1186 401 105 4304 MT-GLAZE 330K JA 1/16W C6136 403 162 6208 ELECT 1U M R1187 401 105 0405 MT-GLAZE 100 JA 1/16W C7201 403 348 5803...
  • Page 66 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R1827 401 105 2904 MT-GLAZE 22K JA 1/16W R5203 401 105 0306 MT-GLAZE 10 JA 1/16W R1828 401 105 8203 MT-GLAZE 68K JA 1/16W R5204 401 105 0504 MT-GLAZE 1K JA 1/16W R1829...
  • Page 67 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R6120 401 105 4007 MT-GLAZE 330 JA 1/16W D826 407 149 0807 DIODE 1SS355-TE-17 R6121 401 158 4108 MT-GLAZE 4.7 JA 1/16W D851 407 149 0807 DIODE 1SS355-TE-17 R6122 401 158 4108 MT-GLAZE...
  • Page 68 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description C1906 403 164 0204 CERAMIC 0.1U Z C3571 403 229 3508 ELECT 100U M C1911 403 164 0204 CERAMIC 0.1U Z 403 335 0408 ELECT 100U M C1912 403 322 7809 ELECT...
  • Page 69 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description RB3521 645 028 5981 R-NETWORK 10X4 1/16W R2852 401 105 4502 MT-GLAZE 390 JA 1/16W 645 028 5998 R-NETWORK 10X4 1/16W R2853 401 105 5301 MT-GLAZE 4.7K JA 1/16W RB3522 645 028 5981 R-NETWORK 10X4 1/16W...
  • Page 70 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R3526 401 158 4108 MT-GLAZE 4.7 JA 1/16W R535 401 105 0603 MT-GLAZE 10K JA 1/16W R3527 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R538 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R3528...
  • Page 71 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description 407 054 4204 ZENER DIODE RD12M-T2BB2 IC3391 410 351 5805 IC EPM7032AELC44-10 407 199 6200 ZD 02CZ12X(TE85R) IC401 409 419 2603 IC CXA2111R 407 175 2806 ZD 02CZ12Y(TE85R) IC431 409 326 3007 IC M62358FP...
  • Page 72 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description 403 335 0408 ELECT 100U M R3324 401 105 7909 MT-GLAZE 0.000 ZA 1/16W C432 403 149 9208 CERAMIC 0.01U Z R3325 401 105 7909 MT-GLAZE 0.000 ZA 1/16W C433 403 164 0204 CERAMIC...
  • Page 73 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R474 401 105 0603 MT-GLAZE 10K JA 1/16W IC6131 409 441 8406 IC LA7217M-T-TRM R476 401 105 7909 MT-GLAZE 0.000 ZA 1/16W IC6151 409 211 7301 IC MC14053BFL R477 401 105 4502 MT-GLAZE...
  • Page 74 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R2112 401 105 0603 MT-GLAZE 10K JA 1/16W L2121 645 004 2409 INDUCTOR,33U J R2116 401 105 1402 MT-GLAZE 150 JA 1/16W L2122 645 004 2430 INDUCTOR,56U J R2117 401 105 1402 MT-GLAZE...
  • Page 75 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description C635 403 167 8603 CERAMIC 220P K R633 402 079 7803 FUSIBLE RES 22 JH 1/4W C636 403 083 4307 POLYPRO 0.022U J 400V R634 401 238 4509 MT-GLAZE 47 JA 1/3W...
  • Page 76 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R691 401 037 5608 MT-GLAZE 10K JA 1/10W 610 284 5198 ASSY P.F.C.MA6A SERVICE R692 401 037 5608 MT-GLAZE 10K JA 1/10W R693 401 037 5608 MT-GLAZE 10K JA 1/10W PWB,P.F.
  • Page 77 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description 403 070 2606 CERAMIC 0.1U Z RC2851 645 028 1044 UNIT,REMOCON RECEIVER 403 030 7009 CERAMIC 68P J R2851 401 037 5202 MT-GLAZE 100 JA 1/10W 403 069 5601 CERAMIC 0.01U K R2852...
  • Page 78 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R2004 401 037 7800 MT-GLAZE 150 JA 1/10W L2022 645 014 2659 FILTER,EMI 10MHZ R2006 401 105 7909 MT-GLAZE 0.000 ZA 1/16W L2023 645 014 2659 FILTER,EMI 10MHZ R2007 401 037 7800 MT-GLAZE...
  • Page 79 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description Q3002 405 014 4509 TR 2SC2412K T146 R C5011 403 343 8809 CERAMIC 0.47U Z Q3003 405 014 4509 TR 2SC2412K T146 R C5012 403 162 4709 ELECT 10U M Q5001...
  • Page 80 AC CORD X3861 645 024 8566 OSC,CERAMIC 6.00MHZ 645 011 6131 CORD,POWER-3.0MK 645 037 5217 OSC,CERAMIC 6.00MHZ (For Model PLC-SU20E, EU) 645 011 6148 CORD,POWER-3.0MK (For Model PLC-SU20B, UK) 610 281 8154ASSY,PWB,KEY SW MA6A OWNER’S MANUAL 1AA0B10C24200 610 280 7691 OWNER’S MANUAL-PA6A...
  • Page 81 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description -81-...

  • Page 82: Mechanical Parts List

    Mechanical Parts List Note: Parts order must contain Service Ref. No., Part No., and Descriptions. CABINET PARTS -82-...
  • Page 83 Mechanical Parts List Key No. Part No. Description Key No. Part No. Description CABINET PARTS 610 280 4577 SPRING INT OUT-MA6A 610 282 1338 ASSY,CABINET FR-MA6A 610 280 2696 OPTICAL BASE BTM-MA6A (Including Key No. 2, 3, 4) 610 280 2702 OPTICAL BASE TOP-MA6A 411 179 1901 SCR S-TPG PAN PCS 1.7X4...
  • Page 84 Mechanical Parts List CHASSIS PARTS -84-...
  • Page 85 Mechanical Parts List -85-...
  • Page 86 Optical Parts List Note: Parts order must contain Service Ref. No., Part No., and Descriptions. OPTICAL PARTS -86-...
  • Page 87 Optical Parts List Key No. Part No. Description Key No. Part No. Description OPTICAL PARTS 610 284 8892 MIRROR(W-COLD) 645 035 5950 ASSY,LENS,PROJECTION 610 284 8908 MIRROR(R) (Including Key No. 56) 610 284 8915 MIRROR(B) 645 030 7959 MOTOR,LENS(Z,F) DC 0.2W 645 037 5637 OPTICAL FILTER(UV CUT) 645 040 6638...
  • Page 88 SANYO Electric Co., Ltd. Feb./2000/ 1300 SI Printed in Japan...

  • Page 89: Circuit Block Diagram

    Circuit Block Diagram (PLC-SU20E/SU20B/SU22E) IC2211 IC9402 R-SAMPLE & HOLD IC5251 CONVERTER DRIVER CONVERTER IC2221 IC9422 IC5201 IC5252 IC2231 M_SCL IC9442 IC5252 AV/CG-RGB SW M_SDA AMP. AMP. Q3001-Q3003 Q5201-Q5203 CG_RGB IC501 DRE0-7 φ6 GRE0-7 GRO0-7 R-LCD DGE0-7 IC202 GGE0-7 GGO0-7 IC2200...

  • Page 90: Power Supply Lines

    Power Supply Lines (PLC-SU20E/SU20B/SU22E) ASSY PWB, MAIN COMP-A ASSY PWB, LINE FILTER ASSY PWB, P.F.C. VIEWER UNIT LAMP BALLAST SW902 SW904 29-32 45-48 THERMAL INTER LOCK UNIT 5VD2 F601 IC7081 AC CORD L602 VA601 L601 FUSE D612 DB611 L611 Reg.

  • Page 91: Schematic Diagrams

    Schematic Diagrams PLC-SU20E/PLC-SU20B HOT SIDE COLD SIDE RUSH CURRENT SUPPRESSION POWER FACTOR CORRECTION LINE FILTER MA6A (DS611,PTH611) (L611,Q611,D612,HB---) ASSY,PWB, INTER LOCK C611 D612 C619 TERMOSTAT C616 L611 K5202 K3001 K1006 1AA0B10C2250C 1000KK R614~R617 L26B3410N FML-G16S FB611 450GK K3002 400GJ J10ML540G...
  • Page 92 D6803 C6802 K18C_5 C3842 C6803 UDZ6.2B 25KZ MOUSE-TXD 10KZ 0.1FA R3851 IC3841 1UGQFY 25KZ 1/16GJ10KC 0.1FA MAIN C3844 K18C_7 TMW7000-151020 C3843 R3852 D3851 10KZ 1AA0B10C2260B UDZ5.1BG 1/16GJ 1UGQFY 33KC COMP-B AIR MOUSE CONTROLLER-2 ASSY PWB,AV SUB MA6A "K5J" MA6A02 (PLC-SU20E/SU20B)
  • Page 93 TP218 C5222 0.1GQFY 6.3EM BOARD 47WM AV-B C5223 C5224 6.3EM 6.3EM 47WM 47WM "K3002" AV-R AV-G FROM: IC6101 C5228 C5226 Q5254 (VIDEO BLANKING) C5227 R5244 R5238 R5239 Q5223 R5241 Q5221 CG_FILT R5243 (IC301 282PIN) Q5222 R5242 MAIN COMP-A MA6A03 (PLC-SU20E/SU20B)
  • Page 94 R2205 25KZ DBE4 25KZ 0.1GQFY 1/16GJ DBE3 0.1GQFY 10KC DBE2 DBE1 C2202 DBE0 25TM PTSTIN0 3.3V1 R328 R326 1/16GZ J30A 00101 TPDHS PTSTIN1 3.3V1 J30A J30A TPDHS R329 R327 00101 00102 1/16GZ TPDVS TPDVS J30A 00102 MAIN COMP-A MA6A04 (PLC-SU20E/SU20B)
  • Page 95 1H DELAY LINE Y/C SEP 100KC COMP-VIDEO AV/CG C195 25KZ0.1 R196 GQFY 1/16GJ 47KC C193 R194 25KZ0.1 1/16GJ C192 R192 GQFY 10KC KZ0.01 MAIN COMP-A BRIGHT GQFY C196 R197 R199 D191 1/16GJ 6.3EM 1SS355 39KC R198 1/16GJ MAIN COMP-D 100KC MA6A05 (PLC-SU20E/SU20B)
  • Page 96 C404 1/16GF 0.01 0.01 25KZ GQFY 0.01 24KC IC561 0.1GQFY GQFY GQFY C401 25KZ0.1 CLOCK GQFY (S/ H) (IC501/IC531/IC561 42PIN) INV_CNT (IC501/IC531/IC561 52PIN) DRIVER DIRC (IC501/IC561 13PIN) DLY_CNT (IC501/IC531/IC561 49PIN) POS_CNT2 (IC501/IC531/IC561 2PIN) POS_CNT1 (IC501/IC531/IC561 1PIN) MAIN COMP-C MA6A06 (PLC-SU20E/SU20B)
  • Page 97 1SS355 10KC C3567 25KZ C3568 MAIN COMP-B S-5V 5VD1 3.3V2 3.3V1 2.5V 0.1GQFY 25KZ 0.1GQFY 1SS355 C3353 TTL-ECL LEVEL SHIFT R3567 R3571 1/16GZ 1/16GJ C3569 CJ470CGQY R3568 1/16GZ IC3571 R3572 R3569 Q3571 1/16GJ MC14053BFL 1/16GZ 2SC2412 10KC ;TC4053BF MA6A07 (PLC-SU20E/SU20B)

  • Page 98: Printed Wiring Board Diagrams

    Printed Wiring Board Diagrams CAUTION (PLC-SU20E/SU22E/SU20B/SU22B) This projector is isolated from AC line by using the internal converter transformer. Please pay attention to the following notes in servicing 1. Do not touch the part on hot side (primary circuit) or both parts on hot and cold sides (secondary circuit) at the same time.
  • Page 99 RC Board (SIDE:A) Viewer Led Board (SIDE:A) RC Board (SIDE:B) Viewer Led Board (SIDE:B) Main Comp.-A Board (SIDE:A) Main Comp.-A Board (SIDE:A) Main Comp.-D Board “K2201” Viewer Unit “K3802” “K3002” “K15C” “K15F” “K15A” Viewer Unit AV Sub Board Main Comp.-B Board (PLC-SU20E/SU22E/SU20B/SU22B)
  • Page 100 B-LCD Panel Panel “K8A” Power Viewer Led Board “K6P” Main Comp.-C Board (SIDE:A) Main Comp.-C Board (SIDE:B) Main Comp.-B Board “K15DD” Power Board RC Board “K6R” “K2851” Main Comp.-D Board (SIDE:A) Main Comp.-D Board (SIDE:B) Main Comp.-A Board “K1101” (PLC-SU20E/SU22E/SU20B/SU22B)

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