Sanyo PLC-EF31 Service Manual
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SERVICE MANUAL
Specifications
Safety Instructions
Protections
Ass'y lamp replacement
Mechanical disassemblies
Optical unit disassemblies
Troubleshooting
Waveforms
Electrical adjustments
Optical adjustments
CPU input/output port functions
The cautions in schematic diagrams
Unit PFC, Unit lamp ballast and IC block diagrams
Parts list
Cabinet, Chassis and Optical parts list
Electrical parts list
Schematic diagrams
Block diagrams
PWB parts location diagrams
PRODUCT CODE :
PLC-EF31
ME7A
1 122 193 00
PLC-EF31
PE7A
1 122 194 00
PLC-EF31
PE7C
1 122 194 02
PLC-EF31N
ME7AA
1 122 193 20
PLC-EF31NL
ME7AL
1 122 193 30
Multimedia Projector
CONTENTS ;
U.S.A. , Canada
Continental Europe, Asia, Africa, M.E.
U.K.
U.S.A. , Canada
U.S.A. , Canada
FILE NO.
MODEL NO.
PLC-EF31
Canada, Europe, Asia, Africa, M.E., U.K.
PLC-EF31N
U.S.A., Canada
PLC-EF31NL
U.S.A.
Original version
Chassis No. ME7-EF3100
NOTE: Match the Chassis No. on the rating
Give complete "CHASSIS NO." for
2
parts order or servicing, it is shown on
3
the rating sheet on the cabinet of the
4
Projector.
6
9
13
18
33
35
43
53
57
59
64
67
70
S1~S10
B1~B2
P1~P5
(Projection lens is optional.)
(Projection lens is optional.)
ME7-EF31N00
ME7-EF31NL00
sheet on the cabinet 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.
SM
REFERENCE NO.
5110479

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Summary of Contents for Sanyo PLC-EF31

  • Page 1 Multimedia Projector SERVICE MANUAL FILE NO. MODEL NO. PLC-EF31 (Projection lens is optional.) Canada, Europe, Asia, Africa, M.E., U.K. PLC-EF31N U.S.A., Canada PLC-EF31NL (Projection lens is optional.) U.S.A. Original version Chassis No. ME7-EF3100 ME7-EF31N00 ME7-EF31NL00 NOTE: Match the Chassis No. on the rating sheet on the cabinet with the Chassis No.
  • Page 2: Technical Specifications

    TECHNICAL SPECIFICATIONS TECHNICAL SPECIFICATIONS Projector Type Multi-media Projector Dimensions 17.3" x 9.1" x 23.8" (439 mm x 230 mm x 605.6 mm) (W x H x D) LCD Panel System 1.8" TFT Active Matrix type, 3 panels Panel Resolution 1280 x 1024 dots Number of Pixels 3,932,160 (1280 x 1024 x 3 panels) Color System...
  • Page 3: Laser Beam

    For continued product safety and protection of personnel injury, servicing should be made with qualified personnel. Light source lamp Caution : UV and Strong light Don't view directly the light emitted from the lamp with which this pro- Risk of electric shock jector is equipped.
  • Page 4: Protection Equipment For Users

    This projector is equipped with the following protec- tions to operate in safety. ❏ Fuse for circuit protection The fuse is located in the rear inside a projector. (Refer to figure.) When either the LAMP indicator or the READY indicator is not illuminated, fuse may be opened. Check the fuse as following steps.
  • Page 5: Overheat Protection

    ❏ Overheat Protection The temperature monitor system -- The temperature monitor system is provided to prevents damage of optical components (the LCD panel and polarization film etc.) inside a projector from overheat. Two protection systems are provided. Each system operation as follows ; ----- The temperature monitor -2 : ----- ----- The temperature monitor -1: ----- I Temperature check of lamps.
  • Page 6: Lamp Status Display

    This Projector is equipped with 2 Projection Lamps to ensure brighter image and those lamps are controlled by Lamp Management Function. Lamp Management Function detects status of two lamps and shows status on screen or on LAMP REPLACE indicator. This function also automatically controls Lamp Mode when any of lamps is out for end of life or malfunctions.
  • Page 7 AFETY INSTRUCTIONS ABOUT THE LAMP REPLACEMENT Furthermore, refer to "Light source lamp" of Safety instructions on page-3 along with this caution. Caution : B Observance : D URST ESIGNATED PART Don’t mistake the lamp number to replace in the case of lamp replacement. Lamp assembly is safety significant parts.
  • Page 8 Lamp counter reset Be sure to reset Lamp Counter when Lamp Assembly is replaced. When Lamp Replace Counter is reset, LAMP REPLACE indicator stops lighting. Turn projector on, press MENU button and ON-SCREEN MENU will appear. Press POINT LEFT/RIGHT button(s) to move a red frame pointer to SETTING Menu icon.
  • Page 9 Panel ballast and Lamp ballast Assemblies removal. Black tube K7A3 Black color K7B3 1. Remove 5 screws A and remove the Panel ballast. 2. Remove the connectors. Remove 8 screws B and Clear tube remove the 2 Lamp ballast assemblies. K7A4 White color K7B4...
  • Page 10 Lamp cover and cabinet top removal. 1. Turn 3 screws A and remove the Lamp cover. 2. Remove 8 screws B and remove the Cabinet top. Assembly main and Terminal slots unit removal. 1. Remove the connectors and the flexible cables of the LCD panels from the assembly Main.
  • Page 11: Optical Unit Removal

    Assembly Motor & audio, assembly Power, assembly PFC, assembly Sub power and Fan(FN902) Removal. The following caution is the important matter for maintaining the safety of a Caution : product. Don't mistake a cooling fan's attachment direction in the case of a re- assembly.
  • Page 12 Fans(FN906, FN909 and FN910) removal. Assembly fan The following caution is the important matter for maintaining the safety of a Caution : product. Don't mistake a cooling fan's attachment direction in the case of a re-assembly. (Refer to the arrow in a figure.) If the attachment direction is mistaken, it will become the cause which the inside of the projector is unusually over- heated and a fire or parts damage.
  • Page 13: Optical Unit Disassemblies

    Optical unit disassemblies Projection lens and Holder lens unit removal. LEVER-B LEVER-A Note : This lens mounting system is the lever release type and lens replacement can be performed easily. However, The weight of the projection lens is 2 ~ 6kg. If it makes a mis- Projection lens take in handling, the lens may receive damage.
  • Page 14 The following caution is the important matter for maintaining the safety of a Lamp assemblies and Assembly mirror Caution : product. removal. The characteristics and ages of lamps are managed by CPU. Mark the lamp assemblies as they are removed from the optical unit so that they may be reassembled in the same location from which they were removed.
  • Page 15 PANEL RISM ASSEMBLY AND PANEL REMOVAL Caution : HANDLE WITH CARE LCD panel/Prism assembly is a precision part. Be sure to handle this part with special attention. Observe the 1. Remove 4 screws A and remove the LCD panel /Prism assembly. following notes.
  • Page 16: Optical Parts Location

    Optical parts location --- The optical parts name(description) can see it on parts list(page69). 1) Film side located outside. Printed mark of opti- cal filter is l o c a t e d upside. 128-B 128-1 116(R) 117(G) 128-4 118(B) Prism 119(R) 128-2...
  • Page 17 PWB ASSEMBLIES LOCATION irection of a wind. The following caution is the impor- tant matter for maintaining the safe- Caution ty of a product. MOTOR FANS Don't mistake a cooling fan's attachment direction in the case of a re-assembly. If the attachment direction is mistaken, it LOCATION will become the cause which the inside of the projector is unusually overheated and a fire or parts damage.
  • Page 18 " " " " " " " " ASS'Y MAIN TERMINAL BOARD DVI CHECK DATA SYNC SIGNAL TP-HV TP-32H1 TP-V TP-32V1 AUDIO INPUT CONTROL IC3295 PORT SW- SYNC IC3271 INPUT-1 IC3273 IC3275 IC3277 TERMINAL BOARD-COMPONENT INPUT-2 LATCH DVI-RGB DVI-CLK R/Pr DVI-HV INPUT-3 PROGRESSIVE SCAN...
  • Page 19: Timing Chart

    CHECK PSIG SIGNAL IC6301 MEMORY IC6321 SGRAM IC6341 MEMORY IC2561 SGRAM IC2571 TO PRO. IC2581 SCAN TP-2561 MEMORY IC2591 CON- SGRAM VERTER PSIG PSIG1~4 TO LCD PANEL RGB IC3296 IC501 IC3272 TP-2517 DIGITAL The IC1501, IC1531 and IC1561 IC3274 S&H exist in UXGA model only.
  • Page 20 NO PICTURE -2 Troubleshooting Check the terminal board-DVI. Check the Vcc voltages. S9V / -5V (Always) 9V / 5V (Switched) Check the test points. DATA H_DIF H_DIF K80A Digital V_DIF LATCH V_DIF DATA Interface DE_DIF DE_DIF IC8001 CLK_DIF CLK_DIF TP-80R TP-80G TP-80B G-SYNC...
  • Page 21 Check the terminal board-AV. Check the Vcc voltages. S9V / -5V (Always) 9V / 5V (Switched) Check the test points. ASS'Y AV TP-3142 BNC-Y IC1181C K131 IC2161B Y/C-Y IC1141B IC141B IC141C NTSC-Y BNC-Y C.V.-Y VIDEO-Y NTSC C.V. PAL-Y IC2161A YCbCr YCbCr DEMATRIX IC1181B...
  • Page 22 * NO POWER -1 System Control Troubleshooting Is fuse (F901) blown? Isn't the lamp cover Is the lamp cover attached Fuse may be opened of a projector correctly? And has not the when either the LAMP removed? boss(Inner side of the lamp indicator or the READY cover) broken? indicator isn't Illuminated.
  • Page 23: Thermal-Switches

    TEMP. SW TEMP. SW LAMP LAMP assemblies PFC units BALLAST units RL-12V THERMAL-Switches Check +B(RL12) for LAMP assemblies voltage for PFC circuits. Check that the Lamp mon- CIRCUIT itor signals are correct. Check that the POWER FAIL signal is correct. Check that the Lamp L : Abnormality ballast on/off signals...
  • Page 24 * NO POWER-2 Troubleshooting Check the switching regulator. STR-Z2156 Switching regulator Caution : "HOT" Circuit ! If this Vcc voltage reaches to abnormal voltage (exceeds 22V), the IC632 will be shut down. If a temperature of this frame reaches to 150˚C, Check the signal at pin 5 the IC632 will be shut of T621.
  • Page 25: Audio System

    No sound Troubleshooting Audio system Terminal board ASS'Y CGMOTHER - DVI ASS'Y_MAIN SLOT_1 K90C ASS'Y_RS232C K80H Terminal board - Component K38F K38E SLOT_2 K90D AUDIO_AMP. IC1871 K90K AUDIO_CONTROL K16B K10H L-OUT Terminal board R-OUT - AV SLOT_3 K90E IC001 K16F IC801 IC1851 K16A...
  • Page 26: Lamp Abnormality

    LAMP ABNORMALITY -1 System Control Troubleshooting NOTE : Light source lamp I The lamp emits light through arc discharge. To initiate arc discharge, dielectric breakdown must occur between the lamp electrodes. The high-voltage pulse generator generates and applies high-voltage pulses with peak val- ues of about 20kV between the lamp electrodes in order to generate glow discharge.
  • Page 27 Refer to next page TEMP. SW TEMP. SW LAMP LAMP assemblies PFC units BALLAST units RL-12V THERMAL-Switches for LAMP assemblies CHECK ! NOTE : I The lamp-ballast-unit controls the power supply CIRCUIT to the lamp to maintain and stabilize the arc dis- charge, keeping illumination at a constant level.
  • Page 28 LAMP ABNORMALITY -2 Troubleshooting Check the unit P.F.C.. Has not the temperature switch operated? Check! If the temperature around Caution : "HOT" Circuit ! FET reaches 85 degrees, the PFC circuit will be shut down. OUTPUT DC 380V~400V Check! UNIT PFC U20B34600 LAMP CN1B...
  • Page 29: Power Lens System Abnormality

    POWER LENS SYSTEM ABNORMALITY Troubleshooting Motor-driven lens system. (Zoom, Focus and lens shift.) LEFT DET. CENTER DET. Horizontal shift function does not exist RIGHT DET. in some particular models. Therefore IC1621, K8N, etc. do not exist in those models. K16A K16H TOP DET.
  • Page 30: Temperature Abnormality

    TEMPERATURE ABNORMALITY -1 Troubleshooting System Control NOTE : Temperature monitor operation ======================== The temperature monitor -2 : The temperature monitor system is provided to prevents damage of optical components (the LCD panel and polarization ------ ------------------------------------------------------------------ film etc.) inside a projector from overheat. Two protection systems are provided. Each system operation as follows : I Temperature check of lamps.
  • Page 31 Has not the temperature switch Has not the temperature operated? switch operated? When the temperature around a If the temperature around FET lamp driver reaches 85 degrees, unit reaches 85 degrees, a PFC lamp ballast will be shut down and a circuit will be shut down.
  • Page 32 TEMPERATURE ABNORMALITY -2 Troubleshooting Check the fan control circuit CHECK ! CHECK ! FAN DRIVE BUFFER OUTPUT ON/OFF SIGNAL From pin4 of IC6611 H : ON L : OFF VOLTAGE VOLTAGE CONTROL OUT CONTROL SIGNAL From IC6611 CHECK ! CHECK ! -32-...
  • Page 33 Waveforms Timing chart 1 0 u s / D i v Terminal board-AV Video-in NTSC 0.5V/Div TP_32H1 H_sync 2V/Div TP_5101 0.5V/Div TP_5102 0.5V/Div TP_3141 C 0.5V/Div TP_3142 0.5V/Div TP_5181 TP_2301R 0.5V/Div 0 . 5 V / p _ p TP_201 TP_820R 0.5V/Div 0.5V/Div...
  • Page 34 Timing chart 5 u s / D i v TP_2561 TP_2571 PSIG Red LCD panel drive signal 5V/Div Green LCD panel drive signal TP_2527 TP_2526 5V/Div 5V/Div Blue LCD panel drive signal 5V/Div 2 m s / D i v Input_signal NTSC 0.5V/Div TP_32V1...
  • Page 35: Alignment Procedures

    Alignment procedures Service adjustment menu operation Normal Mode Service Mode "MENU" Service Mode "IMAGE" Group Data I To enter the "service mode." To enter the service mode, press the "MENU" and "IMAGE" "POWER buttons on the projector simultaneously and hold for 2 seconds. ON/OFF"...
  • Page 36: Adjustment Item

    Service mode adjustment Menu Adjustment Mode Adjustment Item Group-no. Not designated Component 140-0 Fans-A driving voltage adjustment 140-1 Fans-A driving voltage adjustment 140-2 Fans-C driving voltage adjustment 140-3 Fans-C driving voltage adjustment 140-4 Fans-B driving voltage adjustment 140-5 Fans-B driving voltage adjustment 200-0 G-Video center DC adjustment 200-1...
  • Page 37 Adjustment Mode Adjustment Item Group-no. Not designated Component 210-14 & 16 AV White balance adjustment. 2 lamp mode 200-14 & 16 PC White balance adjustment. 2 lamp mode 211-14 & 16 AV White balance adjustment. Lamp-1 of 1 lamp mode 212-14 &...
  • Page 38: Voltage Adjustment

    Electrical adjustments 1. Voltage adjustment Note : Equipment Digital voltmeter I The following adjustment is the adjustment item for Assembly power. Connections + K6D(2) - chassis ground The test point exists on the Assembly power. Voltage adjustment. Adjustment: Adjust the voltage of K6D to 6.35± 0.05V DC with the VR652. I The following adjustments are the adjustment item for Terminal board- 2.
  • Page 39 3. The voltage check of the 3D-Noise-reduction-PLL circuit. 5. Component Video signal adjustments Equipment Digital voltmeter Connections : + TP5103/ - chassis ground. Equipment Oscilloscope. Input mode Input mode Y, Cb, Cr. Input signal Color bar signal(PAL) Input signal 16 step gray scale signal Picture condition Normal Picture condition...
  • Page 40 9. Pedestal level adjustments -PC 6. Fan driving voltage adjustments Equipment Digital voltmeter. Equipment Oscilloscope. Input mode Computer. Set the image to "Service mode." Input signal 16 step gray scale signal Adjust each item for below values with the Volume + and - buttons. Set the image to "Service mode."...
  • Page 41: Black Level

    11. Pedestal level adjustments AV 13. Panel driving signal adjustments -AV Equipment Oscilloscope. Equipment Oscilloscope. Input mode Input mode Input signal 16 step gray scale signal Input signal 16 step gray scale signal Set the image to "Service mode." Picture condition Normal.
  • Page 42: Flicker Reduction

    15. Flicker reduction 17. Unevenness color correction Input mode Computer. If you find the Unevenness color on the screen, please correct it by Input signal 1 dot line computer signal using the proper computer and "color shading correction" soft ware supplied separately. Set the image to "Service mode."...
  • Page 43 Optical components adjustments Polarizer Polarizer adjustment adjustment Relay lens Relay lens adjustment adjustment Convergence adjustment Integrator lens out Integrator lens out adjustment adjustment Convergence Convergence adjustment adjustment Focus of Focus of Polarizer Polarizer LCD panel LCD panel adjustment adjustment adjustment adjustment Convergence Convergence...
  • Page 44 I Before Adjustment of optical components. 1. Each adjustment requires ball allen wrenches set and slot screwdrivers set. Moreover, con- vergence adjustment requires an optional convergence adjustment tool "Convergence Adjuster." The convergence adjustment tool can be ordered as follows: "Convergence Adjuster" Service part NO.
  • Page 45 I Focus of LCD Panel Adjustment Prism / LCD Panel assembly SCREW-A SCREW-A SLOT-B SCREW-A SCREW-A Before Adjustment : 2. Set image size to the maximum, pressing Zoom(L) button on the 1. Turn on a projector. projector or remote control unit. 2.
  • Page 46 I LCD Panel convergence adjustment. Preparation before convergence adjustment. nstall a "convergence adjuster" in the following procedure before convergence adjustment. 1. Loosen 2 screws B of convergence adjuster. (Figure-1) 2. Put a convergence adjuster on a prism unit, insert 2 screws A and tighten it a bit. (Figure-1) 3.
  • Page 47: Convergence Adjustment

    I LCD Panel convergence adjustment. Caution: Before convergence adjustment. ’ T REPLACE THE REEN AND PANELS SIMULTANEOUSLY Make sure each Red, green and Blue LCD Panel has been correctly It becomes impossible to adjust a convergence, if all the LCD pan- installed, and that focus adjustment has been completed before preform- els are simultaneously replaced.
  • Page 48 I Integrator-lens-out adjustment START Integrator-lens-out unit Before Adjustment : SCREW-B 1. Remove the flexible cables of LCD panels from BOTTOM the assembly Main. And turn on the projector. SIDE 2. If the shade appears on the left or right of the screen, adjust in the following procedure.
  • Page 49: Operation Method

    Operation method-1 : (A) Turn off the projector. Next, connect the flexible-cables of the LCD panels to the assem- bly Main. Turn on the projector. (B) Set the image to "service mode." (C) Select Group no. 930-0 (Full lamp mode ) or Select Group no.
  • Page 50 I Integrator-lens-in adjustment START To light only the "Lamp-1." (Refer to operation method-1 on page-49) Adjustment : 1. Remove the flexible cables of LCD panels from the assembly Main. And turn on the projector. 2. loosen 2 screws A and 2 screws B. Figure-1 3-1.
  • Page 51 I Condenser-lens adjustment Before Adjustment : 1. Remove the connector K8E and connector K8V, and SLOT-B remove the flexible cables of LCD panels from the SLOT-B assembly Main. And turn on the projector. 2. If the shade appears on the screen, adjust in the follow- ing procedure.
  • Page 52 I Prism P.B.S. adjustment Adjustment : 1. Remove the flexible cables of LCD panels from the SLOT-A assembly Main. And turn on the projector. 2. Loosen two screws-B. SCREW-B 3. Insert a slot screwdriver into slot-A, turn it and adjust the center position of screen to maximum brightness.
  • Page 53 CPU and I/O-Expander Control port functions CPU (IC801 144 pin) Control port functions Name Function Name Function Polarity Pin No. PA23/WRHH USB RESET USB Reset signal Active L PE14/TIOC4C/DACK0/AH PA22/WRHL PA21/CASHH RS232C_SW RS232C Output select signal PE15/TIOC4D/DACK1/IRQOUT POWER SW "L":Power OFF "H":Power ON PC0/A0 ADDRESS0 Address Bus 0...
  • Page 54 CPU and I/O-Expander Control port functions Name Function Name Function Polarity Pin No. PD16/D16/IRQ0 PW_PG_SEL PW365 232C Write SW(SH="H",PIXEL="L") PD15/D15 DATA15 Data Bus 15 PD14/D14 DATA14 Data Bus 14 PD13/D13 DATA13 Data Bus 13 PD12/D12 DATA12 Data Bus 12 PD11/D11 DATA11 Data Bus 11 PD10/D10...
  • Page 55 CPU and I/O-Expander Control port functions I/O Expander Control port functions (IC1801 64 pin) Y / V Name Function Name Function Polarity Pin No. BLAST_SW3 Lamp Ballast 1 On/Off SW * ON = H BLAST_SW4 Lamp Ballast 2 On/Off SW * ON = H 5V ±10% LENS_UP...
  • Page 56 CPU and I/O-Expander Control port functions Output Expander Control port functions (IC1822 20 pin) Name Function Name Function Polarity Pin No. EXP_RST SCONFIG Single to Dual converter Enhancer CONFIG Signal Data Bus 0 Data Bus 1 IP_RESET IP_RESET PROGRAM PROGRAM Data Bus 2 Data Bus 3 USB_BRST...
  • Page 57: The Cautions In Schematic Diagrams

    The cautions in schematic diagrams I 3. Reading of parts. I 1. Safety significant parts Read resistor codes as follows: Product safety should be considered when a component replace- 1. All resistance values are indicated in ohms: ment is made in any area of the projector. Components indicated by mark ( ) in the parts list and the schematic diagram desig- K=1,000.
  • Page 58 The cautions in schematic diagrams Read description in the Capacitor and Resister as follows: CAPACITOR 16 K K 0.47 BA Characteristic Rated value Tolerance Symbols Static capacitance of 10PF or less Material : Nondesignated ±0.1PF CERAMIC Temperature compensating ceramic ±0.25PF CERAMIC High dielectric rate ceramic ±0.5PF...
  • Page 59 UNIT P.F.C., UNIT LAMP BALLAST and IC BLOCK DIAGRAMS UNIT P.F.C. OUTPUT DC 380V~400V UNIT PFC U20B34600 LAMP CN1B BALLAST-1 CN3B PFC-1 AC-INPUT AC 90V~264V BALLAST-1 ON/OFF CONTROL LAMP-1 MONITOR TEMP. SW 85˚C LAMP BALLAST-2 CN4B PFC-2 TEMP. SW 12V (+B) BALLAST-2 ON/OFF RL12 CONTROL...
  • Page 60: Switching Regulator

    STR-Z2156 Switching regulator G (H) T621 D655 PROTECTION ABNORMAL ABNORMAL START TEMP. DET. VOL. DET. D651 DELAY LATCH LOGIC D652 OC-RC CONTROL 6.25V G (L) CONT VOLTAGE CONTROL PC611 IC652 PC612 ABNORMAL VOLTAGE DETECT <FF> FA7612CN PWM POWER CONTROL ON/OFF SIGNAL OUTPUT VOLTAGE...
  • Page 61 LB1641/1645N MOTOR DRIVER LB1645N LB1641 INPUT ON/OFF CONTROL INPUT S1=ON , OTHER=OFF FORWARD (reverse) DRIVE S2=ON , OTHER=OFF REVERSE (forward) DRIVE S3=ON , OTHER=OFF BRAKING <FF> MPXA4115A SMALL OUTLINE Pressure sensor for altimeter PACKAGE PPXA4115A CASE 482–01 <FF> FLUORO SILICONE STAINLESS GEL DIE COAT STEEL CAP...
  • Page 62 CXD3511Q DIGITAL SIGNAL DRIVER DSD BLOCK DATA BUS USER USER R, G, B, IN SWITCH GAIN BRIGHT GAIN BRIGHT GAIN YS, YM, R, G, B, OSD UNEVEN PATTERN GAMMA MUTE 1 COLOR BRIGHT GENERATOR CORRECTION CORRECTION POST POST CYCLE DELAY MUTE 2 LIMITER GAIN...
  • Page 63 CXA3562R LCD DRIVER <FF> -63-...
  • Page 64: Parts List

    Parts list Note: Safety significant parts DO NOT REPLACE OR ORDER RESISTOR AND CAPAC- ITOR PARTS FOLLOWING THE SPECIFICATIONS Product safety should be considered when a component replacement is made in any area of SHOWN IN THE SCHEMATIC DIAGRAMS. Always check the projector.
  • Page 65 Read description in the Capacitor and Resister as follows: CAPACITOR CERAMIC 100P K 50V Rated Voltage Tolerance Symbols Rated value: P=Pico farad, U=Micro farad Static capacitance of 10PF or less Nondesignated Material : ±0.1PF CERAMIC Temperature compensating ceramic ±0.25PF ±0.5PF High dielectric rate ceramic ±1PF Semiconductor ceramic...
  • Page 66 PWB ASSEMBLIES LOCATION irection of a wind. The following caution is the impor- Caution tant matter for maintaining the safe- ty of a product. MOTOR FANS Don't mistake a cooling fan's attachment direction in the case of a re-assembly. If the attachment direction is mistaken, it LOCATION will become the cause which the inside of the projector is unusually overheated and a fire or parts damage.
  • Page 67 Refer to lens instruction manual. 126A Cabinet Chassis -67-...
  • Page 68 1) Film side located outside. Printed mark of opti- cal filter is l o c a t e d upside. 128-B 128-1 116(R) 117(G) 128-4 118(B) Prism 119(R) 128-2 128-1: Optical Filter 121(G) 128-2~4 : Polarization Glass 122(B) 128-1 128-R,G,B : LCD Panel 128-R Exploded View 128 Exploded View 128...
  • Page 69: Cabinet Parts

    STAND LEG CT-MJ6A 109. 645 046 1361 MIRROR(RH) 610 272 9238 SPRING COIL-M6MA 111. 645 046 1378 MIRROR(B-COLD) 645 032 6400 BADGE,SANYO*43.5X10L43.5 112. 645 046 9428 MIRROR(COLD) or 645 055 9181 MIRROR(COLD) ****************************************************** 113. 645 046 1392 OPTICAL FILTER(UV/IR) 114.
  • Page 70 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description 405 163 1701 TR 2SC2812N-L7-TB0 405 173 9803 TR 2SC3928A1R ****************************************************************** 405 173 9902 TR 2SC3928A1S I Out of PWB Assembly Q1101 405 014 4509 TR 2SC2412K T146 R 405 014 4608 TR 2SC2412K T146 S COIL...
  • Page 71: Electrical Parts List

    Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description 405 163 1503 TR 2SA1179N-M6-TB 405 014 4608 TR 2SC2412K T146 S 405 163 2708 TR 2SA1179N-M7-TB 405 015 8704 TR 2SC2812-L6-TB 405 173 9605 TR 2SA1235A1E 405 015 8902 TR 2SC2812-L7-TB 405 173 9704...
  • Page 72: Integrated Circuit

    Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description 405 173 9803 TR 2SC3928A1R 405 163 1701 TR 2SC2812N-L7-TB0 405 173 9902 TR 2SC3928A1S 405 173 9803 TR 2SC3928A1R Q3181 405 014 4509 TR 2SC2412K T146 R 405 173 9902 TR 2SC3928A1S 405 014 4608...
  • Page 73 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description C1132 403 280 0805 ELECT 330U M 6.3V C2171 403 164 0204 CERAMIC 0.1U Z C1133 403 164 0204 CERAMIC 0.1U Z C2172 403 164 0204 CERAMIC 0.1U Z C1134 403 283 6309...
  • Page 74 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description C4182 403 283 6309 CERAMIC 1U Z R1111 401 105 0405 MT-GLAZE 100 JA 1/16W C4183 403 283 6309 CERAMIC 1U Z R1112 401 105 0405 MT-GLAZE 100 JA 1/16W C4184 403 283 6309...
  • Page 75 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R197 401 105 1501 MT-GLAZE 1.5K JA 1/16W R3152 401 105 0504 MT-GLAZE 1K JA 1/16W R198 401 105 4700 MT-GLAZE 39K JA 1/16W R3153 401 105 5202 MT-GLAZE 470 JA 1/16W R199...
  • Page 76 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R5116 401 105 7305 MT-GLAZE 820 JA 1/16W D134 407 209 1201 ZD UDZS-TE-176.2B R5117 401 105 7404 MT-GLAZE 8.2K JA 1/16W D2140 407 206 6308 ZD UDZS-TE-175.1B R5118 401 105 0504 MT-GLAZE...
  • Page 77 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description RESISTOR 405 014 4608 TR 2SC2412K T146 S R600 401 008 8607 CARBON 220K JA 1/2W 405 015 8704 TR 2SC2812-L6-TB R601 402 078 5701 WIRE WOUND 3.9 JA 405 015 8902 TR 2SC2812-L7-TB...
  • Page 78 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description 405 173 9803 TR 2SC3928A1R C6668 403 369 2904 ELECT 680U M 405 173 9902 TR 2SC3928A1S C6669 403 369 2904 ELECT 680U M Q6633 405 014 4509 TR 2SC2412K T146 R C6672 403 149 9208...
  • Page 79 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R7625 401 105 2904 MT-GLAZE 22K JA 1/16W R2692 401 105 0603 MT-GLAZE 10K JA 1/16W R7626 401 105 2904 MT-GLAZE 22K JA 1/16W R2693 401 105 0603 MT-GLAZE 10K JA 1/16W R7627...
  • Page 80 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description 405 163 1701 TR 2SC2812N-L7-TB0 C8008 403 157 3601 CERAMIC 100P J 405 173 9803 TR 2SC3928A1R C8009 403 164 0204 CERAMIC 0.1U Z 405 173 9902 TR 2SC3928A1S C8010 403 164 0204...
  • Page 81 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description C8182 403 164 0204 CERAMIC 0.1U Z R8059 401 105 0603 MT-GLAZE 10K JA 1/16W C8190 403 164 0204 CERAMIC 0.1U Z R8060 401 105 0603 MT-GLAZE 10K JA 1/16W C8191 403 205 2808...
  • Page 82 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R8198 401 105 0702 MT-GLAZE 100K JA 1/16W 405 015 8704 TR 2SC2812-L6-TB R8199 401 105 0603 MT-GLAZE 10K JA 1/16W 405 015 8902 TR 2SC2812-L7-TB COIL 405 163 1602 TR 2SC2812N-L6-TB0 L8001...
  • Page 83 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description 405 015 8902 TR 2SC2812-L7-TB C2006 403 149 9208 CERAMIC 0.01U Z 405 163 1602 TR 2SC2812N-L6-TB0 C2007 403 283 6309 CERAMIC 1U Z 405 163 1701 TR 2SC2812N-L7-TB0 C2008 403 149 9208...
  • Page 84 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description C3054 403 283 6309 CERAMIC 1U Z R2015 401 105 7909 MT-GLAZE 0.000 ZA 1/16W C3061 403 283 6309 CERAMIC 1U Z R2016 401 105 1907 MT-GLAZE 180 JA 1/16W C3062 403 283 6309...
  • Page 85 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R3053 401 105 7909 MT-GLAZE 0.000 ZA 1/16W 645 037 5187 OSC,CERAMIC 8.00MHZ R3054 401 105 7909 MT-GLAZE 0.000 ZA 1/16W X3061 645 021 1218 OSC,CERAMIC 8.00MHZ R3061 401 105 0603 MT-GLAZE...
  • Page 86 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description 405 015 8902 TR 2SC2812-L7-TB C9071 403 164 0204 CERAMIC 0.1U Z 405 163 1602 TR 2SC2812N-L6-TB0 C9072 403 175 4505 ELECT 47U M 6.3V 405 163 1701 TR 2SC2812N-L7-TB0 C9073 403 164 0204...
  • Page 87 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R9082 401 226 1206 MT-GLAZE 150 FA 1/16W R9509 401 105 5301 MT-GLAZE 4.7K JA 1/16W R9083 401 105 0405 MT-GLAZE 100 JA 1/16W R9511 401 105 0603 MT-GLAZE 10K JA 1/16W R9084...
  • Page 88 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description 405 173 9902 TR 2SC3928A1S D1601 407 223 1003 ZENER DIODE 02DZ5.1Y(TPH3 INTEGRATED CIRCUIT D1602 407 149 0807 DIODE 1SS355-TE-17 IC001 409 017 7208 IC LA4261 D1603 407 149 0807 DIODE 1SS355-TE-17 IC1601...
  • Page 89 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description SW6825 645 025 3478 SWITCH,PUSH 1P-2TX1 D3872 407 223 0501 ZENER DIODE 02DZ12Y(TPH3) D3873 407 223 0501 ZENER DIODE 02DZ12Y(TPH3) ****************************************************************** D3874 407 223 1102 ZENER DIODE 02DZ6.2Y(TPH3 I Assembly PWB RS232C ME7A D3875 407 223 1102...
  • Page 90 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R6865 401 105 0405 MT-GLAZE 100 JA 1/16W 405 173 9902 TR 2SC3928A1S R6866 401 105 2805 MT-GLAZE 2.2K JA 1/16W Q1834 405 014 4509 TR 2SC2412K T146 R R6867 401 105 0405 MT-GLAZE...
  • Page 91 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description IC1822 410 367 1402 IC SN74LVC374APW 410 356 7606 IC SN74AHC1G04HDCKR IC1823 409 301 5309 IC TC7S32FU-TE85L IC4855 410 356 7903 IC SN74AHC1G08HDCKR IC1824 409 301 5309 IC TC7S32FU-TE85L IC4861 409 416 6505...
  • Page 92 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description C1865 403 164 0204 CERAMIC 0.1U Z C2501 403 280 1604 ELECT 220U M C1866 403 280 1604 ELECT 220U M C2502 403 164 0204 CERAMIC 0.1U Z C1867 403 267 0606 NP-ELECT...
  • Page 93 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description C3281 403 164 0204 CERAMIC 0.1U Z C4241 403 113 3805 CERAMIC 1000P K C3282 403 164 0204 CERAMIC 0.1U Z C4242 403 164 0204 CERAMIC 0.1U Z C3283 403 164 0204 CERAMIC...
  • Page 94 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description C5866 403 341 7507 ELECT 100U M C871 403 280 0508 ELECT 470U M C5867 403 164 0204 CERAMIC 0.1U Z C872 403 164 0204 CERAMIC 0.1U Z C5868 403 341 7507 ELECT...
  • Page 95 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description 645 031 3325 R-NETWORK 100X4 1/16W R1826 401 105 2003 MT-GLAZE 1.8K JA 1/16W RB5811 645 020 7822 R-NETWORK 10KX4 0.063W R1829 401 105 0603 MT-GLAZE 10K JA 1/16W 645 025 5380 R-NETWORK 10KX4 1/16W R1841...
  • Page 96 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R2355 401 105 0603 MT-GLAZE 10K JA 1/16W R2503 401 037 5004 MT-GLAZE 0.000 ZA 1/10W R2356 401 105 0603 MT-GLAZE 10K JA 1/16W R2504 401 037 5004 MT-GLAZE 0.000 ZA 1/10W R2361...
  • Page 97 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R3261 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R3432 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R3268 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R3433 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R3269...
  • Page 98 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R3525 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R4231 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R3526 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R4232 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R3527...
  • Page 99 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R518 401 105 3208 MT-GLAZE 270 JA 1/16W R5872 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R519 401 105 1402 MT-GLAZE 150 JA 1/16W R5873 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R520...
  • Page 100 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description R7501 401 105 0306 MT-GLAZE 10 JA 1/16W R8272 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R7502 401 105 0306 MT-GLAZE 10 JA 1/16W R8274 401 105 0306 MT-GLAZE 10 JA 1/16W R7503...
  • Page 101 Electrical Parts List Ref. No. Part No. Description Ref. No. Part No. Description L2501 645 026 1008 INDUCTOR,3.3U M TP211 645 036 5010 TERMINAL L2506 645 026 1008 INDUCTOR,3.3U M TP221 645 036 5010 TERMINAL L3201 645 020 1776 INDUCTOR,3.3U M TP2301R 645 036 5010 TERMINAL...
  • Page 102 ADAPTOR,MAC/IBM 645 043 9704 ADAPTOR,DVI/VGA 645 043 3702 CABLE,DVI-D 645 057 2999 CABLE,INTERFACE VGA Use the following parts for model "PLC-EF31" and "PLC-EF31N." 610 305 1437 OWNER'S MANUAL-ME7A 610 305 1444 OWNER'S MANUAL-ME7A-D 610 305 1451 OWNER'S MANUAL-ME7A-F 610 305 1468...
  • Page 103 Memo...
  • Page 104 SANYO Electric Co., Ltd April / 2003 / 400 Printed in Japan...
  • Page 105 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Left] NET FAN (ON OPTICAL) ASSY,PWB,OPTICAL FANNET C2641 R2641 K56P 25EM 1/16 FN906 FOR SET 1002F GJ10KC J10EA030N EXHAUST FAN K56K D2641 1SS355 1.68W J10EA050N R2642 R2643 K56Q 1/16 1GZ0 FN909 GJ10KC J10EA030N FOR LAMP1...
  • Page 106: Service Manual

    Schematic Diagrams PLC-EF31/ 31N/ 31NL [Right] N906 FOR SET EXHAUST FAN 1.68W R2695 C2691 1/16 25EM N909 FOR R PANEL GJ10KC FN903 3302F K56E FOR LAMP1 INTAKE FAN EXHAUST FAN C2692 J10AU030N D2695 25KZ 3.8W 1SS355 0.1GQFY N910 FOR LAMP2...
  • Page 107 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Left] V_DIF D-RB7 D-RB3 RS232C_TX I2CSDA M-IDC CLOCK D-GB7 D-GB3 D-RB9 D-RB5 D-RB1 D-GB9 D-BB7 D-BB3 H_DIF D-RB6 D-RB2 D-GB5 RS232C_RTS A-HS M-IDA AUDIO-L D-GB6 D-GB2 D-GB1 D-BB9 D-BB6 D-BB5 D-BB2 D-BB1 D-RB8 D-RB4 D-RB0...
  • Page 108 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Right] C3867 C3866 10KZ 6.3EM 1UGQFY K38A IC3804 S6V2 J10B0830N TC74ACT08FTP F34A 5106G R3879 L3851 D3851 D3852 02DZ12YG 02DZ12YG R3871 RXD2 K38A_2 1/16GZ0C K38A_7 R3872 F34A K38A_3 L3858 1/16GZ0C K38A_8 5106G D3853 D3854 02DZ12YG 02DZ12YG...
  • Page 109 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Left] R3110 1/16GJ 100C 3.3V R1112 R1111 IC1191 1/16GJ 1/16GJ Q168 TC7SET04FUP C167 R176 R177 R178 C168 100C 100C 25KZ 1/16GJ 1/16GJ 1/16GJ 10KZ 0.1GQFY 47KC Q166 4.7KC 1UGQFY C.SYNC R179 Q165 1/16GJ 2.2KC R172...
  • Page 110 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Right] 1/16GJ R3131 K3101GND1 R3132 1/16GJ10C C3131 KK0.01 C3133 GQBY C3125 16KK0.1 GQBY C3132 10KZ1UGQFY R3191 1/16GJ R3106 R3108 100C 1/16GJ 1/16GJ R3160 22KC Q3101 1.2KC IC3121 TDA8395T/N3P IC3131 TDA4665T/V5P R3110 1/16GJ Q3100 1/16GJ 120KC...
  • Page 111 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Left] ASSY PWB DVI TO ass'y CG-MOTHER ASSY PWB R8095 1/16GJ47C RB8008 1/16GJ47C R8096 3.3V R8097 1/16GJ47C L8001 C8021 C8024 C8023 C8022 RB8007 C8001 L2PD IC8020 CJ330 25KZ CJ180 R1JA1014G 3R3MG RB8016 RB8015 RB8010 RB8009...
  • Page 112 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Right] ASSY PWB COMPONENT C1014 C1015 K10H C1013 6.3EM 25KZ C1010TM 25KZ 330D 0.1GQFY 16UM47 J11B4210M 0.1GQFY C1012 6.3EM IC1001 R1034 1/16GZ0C 330D AD8057ARTK R1035 1/16GZ0C R1036 1/16GZ0C C1006 K10H_G1 R1021 CD10 CGQY C2068 C2069...
  • Page 113 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Left] C8292 25KZ0.1 IC295 GQFZ BA05FP-E2P C8291 1/16 6.3EM 330D C296 1/16 C297 270C 6.3EM 25KZ0.1 100D GQFZ 1/16G C262 C264 10KZ1UGQFZ C263 ;10KZ1UMAFY C204 10KZ1UGQFZ 6.3EM C202 25KZ0.1 ;10KZ1UMAFY 100WM 25KZ0.1 OP. AMP. GQFZ...
  • Page 114 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Right] IC8202 PQ20WZ11P C8292 25KZ0.1 GQFZ 3.45V_AD R8297 C8291 1/16GF 6.3EM 330C 330D R8298 1/16GF 270C R8299 1/16GF R8296 R8218 1/10GZ0.0 107mA 1/10GZ0.0 36mA 3.45V_AD 3.45V_AD C8297 C8233 C8219 C8296 C8234 C8218 R8232 16KK0.039 RB8221 25KZ0.1...
  • Page 115 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Left] 3.3V L3201 L2A7 3R3MG 3.3V_12 C3201 IC3203 IC3202 IC3201 QXXAVB303P 470D QXXAVB303P QXXAVB303P (TC74VCX16244FT) (TC74VCX16244FT) (TC74VCX16244FT) IC3204 QXXAVB837P BO0_CG GBO0_PW RO0_CG GRO0_PW GE0_CG GGE0_PW (TC74VCX244FT) BO1_CG GBO1_PW RO1_CG GRO1_PW GE1_CG GGE1_PW C3204 C3207 C3211...
  • Page 116 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Right] 3.3V L6301 GZ000 TP4205 TP4204 J30B1270G J30B1270G 3.3V_SG R6301 GFBK_PW R6302 C6311 1/16GJ 1/16GJ C6314 C6309 220C 560C 3.3V_SG 25KZ0.1 1000 25KZ0.1 GQFZ GQBZ GQFZ DQA_21 R6303 DQMA_IP C6308 DQA_19 GVS_PW 25KZ GQFZ ADCLK_IP...
  • Page 117 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Left] FROM:A/D S3.3V RB307 RB306 R330 R331 1/16GZ0C IC1362 SI-3025LSP C1367 C1368 RB333 C1365 (SL-3000LS 2.5V) 6.3EM 25KZ0.1 R1EA 470D 330D GQFZ 6814G GBE0_PW S3.3V S2.5V2 GBE1_PW R1369 500mA GBE2_PW GBE3_PW R1366 RB334 1/16 R1EA GZ0C (2.5V REG.)
  • Page 118 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Right] S3.3V RB301 R1A41034G :R1EA1034G R323 R314 R322 R313 R321 R312 R320 R311 TO:MAIN-CPU(IC801) RB307 RB306 RB305 RB304 RB303 RB302 IC1301 S3.3V NOT USED C1301 C1302 R1301 R1323-1 R1322-1 R1321-1 R325-1 R1304 RESET 1/16GJ S3.3V...
  • Page 119 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Left] (TO: CLOCK CONVERTER) (TO: CLOCK CONVERTER) (TO: CLOCK CONVERTER) (FROM: PW) (TO: CLOCK CONVERTER) R3501 3.3V C3401 C2487 6.3EM (SL-30 IC3402 6.3EM 100D 100D SI-3025LSP C3402 C3406 3.3V (SL-3000LS 2.5V) R3503 25KZ0.1 6.3EM 1/3GZ0...
  • Page 120 Schematic Diagrams PLC-EF31/ 31N/ 31NL S8 [Right] RB2402 RDA0 RDA0_ENHA RDA1 RDA1_ENHA RDA2 RDA2_ENHA RDA3 RDA3_ENHA RDA4 RDA0 RDA4_ENHA RDA5 RDA1 RDA5_ENHA RDA6 RDA2 RDA6_ENHA RDA7 RDA3 RDA7_ENHA RB2404 RDA4 RDA5 R2487 RDA6 RDA7 R2462 SI-3025LSP R2461 1/16 C2487 (SL-3000LS 2.5V) 3.3V...
  • Page 121 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Left] L501 L2A7 3R3MG R7511 R7513 R7517 R7515 1/16 TP2561 GZ0C C510 TP2571 R501 1/16GJ10C 10KZ J30A R7512 R7514 R7516 R7518 0.47 15.5V 15.5V 00102 1/16 1/16 1/16 GQFY GZ0C GZ0C GZ0C TP2561 R2563 R2564...
  • Page 122 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Right] L501 L2A7 L2A7 L531 3R3MG SID_BUF4 3R3MG SID_BUF1 15.5V 15.5V R7513 R7517 SID_BUF3 R7515 R7541 R7543 R7545 R7547 SID_BUF2 VCOM_R 1/16 C540 C510 VCOM_G R531 1/16GJ10C GZ0C 10KZ 10KZ L502 C534 C1533 L532 C505...
  • Page 123 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Left] NOT USED TO:NET LAMP K96A TO:PFC NOT USED TO:LAMP NOT USED TO:LAMP TO:NET TO:K58A BALLAST-1 BALLAST-2 J10QF031G J10EZ050G J10QF050G J10QF030G J10EZ050G J10QF030G J10QF040G J10QG301G K8N-1 K8R-1 K8R-3 K8W-1 K8W-2 K8W-3 K8Q-1 K8Q-2 K8Q-3 K8Q-4...
  • Page 124 Schematic Diagrams PLC-EF31/ 31N/ 31NL [Right] LENS_BOT. K8E-1 LENS_TOP C1894 C1893 K8E-2 R5852 25KZ 25KZ K8E-3 0.1GQFZ R5851 Q5851 GQFZ 1/16 K8E-5 GJ2.7KC RB5851 R5851_1 K8E-6 LENS_UP R1A4 TO:SUBPOWER K66D NOT USED TO:USB&RS232C K38F NOT USED 1004G: K8E-7 LENS_DOWN R1EA...
  • Page 125 Block diagrams PLC-EF31/ 31N/ 31NL [Left] Terminal board DVI DATA H_DIF H_DIF K80A Digital V_DIF LATCH V_DIF DATA Interface IC8001 DE_DIF DE_DIF CLK_DIF CLK_DIF TP-80R TP-80G TP-80B G-SYNC SYNC SEP. IC8201 TP-80H K81A DIGITAL CLK TP-80V DIGITAL HV DIGITAL CG AUDIO EXP.
  • Page 126 Block diagrams PLC-EF31/ 31N/ 31NL [Right] ASS'Y MAIN IC6301 MEMORY IC6321 SGRAM IC6341 MEMORY IC2561 SGRAM IC2571 TO PRO. IC2581 TP-HV TP-32H1 SCAN TP-2561 MEMORY IC2591 CON- SGRAM TP-V TP-32V1 VERTER PSIG PSIG1~4 TO LCD PANEL RGB IC3296 IC3295 IC501...
  • Page 127 Block diagrams PLC-EF31/ 31N/ 31NL [Left] -23-...
  • Page 128 Block diagrams PLC-EF31/ 31N/ 31NL [Right] Page BLOCK DIAGRAM Diagram System control Name -24-...
  • Page 129 PWB parts location diagrams PLC-EF31/ 31N/ 31NL [Left] C4242 C4243 C4233 C2532 R2312 IC6341 C2312 R2311 C2319 R4232 C1572 IC6321 R4243 R2542 R2541 C2541 R2326 C2313 C4235 C4212 R4204 R4202 R2322 R4206 C2317 R4205 C2314 TP2302G TP2303B R575 C4202 C4204...
  • Page 130 PWB parts location diagrams PLC-EF31/ 31N/ 31NL [Right] C504 R5859 R5801 TP2516 C510 R501 C505 C2504 D2503 R520 C2505 R517 C507 R1519 C2502 R1514 2536 C5867 TP2561 R5894 TP2571 R5896 R5895 R5897 R5899 TP2526 R5898 R2577 Q888 Q887 K25E C3523...
  • Page 131 PWB parts location diagrams PLC-EF31/ 31N/ 31NL P2 [Left] R5856 R5856 C5852 C5852 R5802 C511 C511 R5802 C5851 C5851 R5855 R5858 R5855 R5858 R5854 R5857 R5854 R5857 C1895 C1895 C5853 C5853 R5853 R5853 D5801 D5801 D5801 C512 C512 C512 R7519...
  • Page 132 PWB parts location diagrams PLC-EF31/ 31N/ 31NL [Right] C1890 C1890 C6344 C6348 C6345 C6345 C6344 C6348 C6323 C6323 C1891 C1892 C1891 C1892 C6329 C6329 L4231 C6329 L4231 R6321 R6321 R6321 C6341 C6341 IC1561 IC1561 C6343 C6341 C6343 C6328 C6328 C6328...
  • Page 133 PWB parts location diagrams PLC-EF31/ 31N/ 31NL [Left] C2191 C149 IC182 R2191 IC184 IC183 IC181 1AA4B10C2230A A_side R163 X1101 D7192 R7194 TE7102 R185 IC7172 L2191 C2183 C2184 C2193 C1106 Q7171 L1131 R2119 R180 Q161 R7178 IC7191 R7122 R7177 R149 R2192...
  • Page 134 PWB parts location diagrams PLC-EF31/ 31N/ 31NL [Right] C2030 C2030 C2032 C2032 C2030 C2030 C2032 C2032 1AA4B10C2750A C2034 C2034 C2034 C2034 R8033 C2046 C2046 R8029 A_side C2046 C8032 R8035 R8037 TP80V D8091 D8092 R8088 C1014 C1014 L1131 C1014 C1014 K10A...
  • Page 135 PWB parts location diagrams PLC-EF31/ 31N/ 31NL [Left] EXH-FANNET Side-B F-G NET Side-B RGB-FANNET Side-B -31-...
  • Page 136 PWB parts location diagrams PLC-EF31/ 31N/ 31NL [Right] EXH-FANNET Side-A RGB-FANNET Side-A F-G NET Side-A Page PWB PARTS LOCATION DIAGRAM Power, Subpower and Board Name FANNET board -32-...
  • Page 137 PWB parts location diagrams PLC-EF31/ 31N/ 31NL [Left] CG-MOTHER Side-A MOTOR&AUDIO Side-A IC9022 IC9021 R9043 R9036 R9038 R9041 R9047 R9048 R9028 R9049 R9035 R9051 R9031 R9033 R9058 R9056 R9054 R9052 C9096 C9093 C9092 C9095 C010 R9194 IC9092 IC9093 C9091 C9072...
  • Page 138 PWB parts location diagrams PLC-EF31/ 31N/ 31NL [Right] MOTOR&AUDIO Side-B CG-MOTHER Side-B R9100 R9110 RS232C Side-B PWB,RS232C ME7A B10C3550D C3865 D3861 D3859 K38B K38A R3866 R3851 R3852 R3855 R3854 R3865 R3856 R3882 R3879 R3881 R3853 R3885 R3884 R3874 R3876 R3883...

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