Page 1: Lcd Projection Tv
FILE NO. SERVICE MANUAL PLV-55WR1Z MODEL NO. Original Version PLV-45WR1Z ( Asia / Middle East / Australia ) LCD Projection TV Chassis No. PLV-55WR1Z-00 PLV-45WR1Z-00 NOTE: Match the Chassis No. on the rating sheet on the cabinet with the Chassis No.
Page 2: Table Of Contents
■ CONTENTS ■ Safety Instructions ....................3 ■ Safety Instr uction s ..............3 ■ Specifications ......................4 ■ icatio ns ...............4 ■ Circuit Protections ....................5 ●...
Page 3: Safety Instructions
■ Safety Instructions SAFETY PRECAUTIONS SAFETY Y PRECAUTIO S WARNING: W RNI G 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 identified with the line ( ) in the schematic diagram.
Page 4: Specifications
Rear Projection ear Projec Dimensions (W x H x D) 1,114mm (W) x 802mm (H) x 348mm (D) PLV-45WR1Z 1,352mm (W) x 939.6mm (H) x 407 .5mm (D) PLV-55WR1Z Net Weight 33.8 kg (PLV-45WR1Z), 40.4 kg (PLV-55WR1Z) LCD Panel System 0.7”...
Page 5: Circuit Protections
■ Circuit Protections This LCD projection TV provides the following circuit protections to operate in safety. If the abnormality occurs s LCD pro ction TV pr id s the low ng ci cuit p o ope rate i n safe ty.
Page 6: Electric Shock Protection(Lamp Cover Switch)
● Lamp cover switch ● L L amp cove switch The lamp cover switch (SW1861) cuts off the drive signal to the lamp circuit when the lamp cover is removed or no close completely. After opening the lamp cover for replacing the lamp unit, place the lamp cover correctly otherwise the LCD projection TV can not turn on.
Page 7: Maintenance And Cleaning
■ Maintenance and Cleaning ● Warning Indicator ● Warni g Indic to The WARNING indicator shows the state of the function which protects the LCD Projection TV. Check the state of the WARNING indicator and the POWER indicator to take proper maintenance. The LCD Projection TV is shut down and the WARNING indicator is blinking red When the temperature inside the LCD Projection TV exceeds the FRONT CONTROL...
Page 8: Air Filter Care And Cleaning
● Air filter care and cleaning ● A A ir fi er a and c a ing The Air Filter prevents dust from accumulating on the optical elements inside the LCD Projection TV. Should the Air Filter become clogged with dust particles, it will reduce the Cooling Fans' effectiveness and may result in internal heat building up and effect on the life of the LCD Projection TV.
Page 9: Cleaning The Lcd Projection Tv
● Cleaning the LCD Projection TV ● Clean g the LCD Pr e tion TV Be sure to disconnect the AC Power cord from the AC outlet before cleaning the LCD Projection TV. ● Gently wipe the screen and the cabinet with a soft dry clean cloth.
Page 10 Installing the LCD Projection TV Placing and Settling the LCD Projection TV acing and CAUTION; When placing the LCD Projection TV, the spaces for ventilation must be maintained. SIDE and TOP REAR 10cm 10cm 10cm 50cm Air Circulation Openings in the cabinet are provided for ventilation and to BE SURE TO USE OR PLACE THE PROJECTOR IN THE TEMPERATURE INDICATED BELOW: ensure reliable operation of the product and to protect it...
Page 11 FRONT OF CABINET ON OF CABI ET Caution; air intake vents This LCD Projection TV is equipped with cooling fans for protection from overheating. Pay attention to following to ensure proper ventilation and avoid a possible risk of fire and malfunction. - Do not cover vent slots.
Page 12: Optical Parts Care And Cleaning
● Optical parts care and cleaning ● O O pti al parts s care and clea a ning 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 other particles using air spray.
Page 13: Lamp Replacement
■ Lamp replacement When the life of the projection lamp of this LCD Projection TV the e he p oject n lamp o is CD P ojec draws to an end, the LAMP REPLACE indicator lights orange. Front Control If this indicator lights orange, replace the lamp with a new one promptly.
Page 14 ● Lamp replace counter reset ● L L amp rep a e co o un er ese Be sure to reset the lamp replace counter after the lamp is replaced. When the lamp replace counter is reset, the LAMP REPLACE indicator stops lighting. Turn the LCD Projection TV on, press the MENU Lamp counter reset button, and the On-Screen Menu will appear.
Page 15 Replacement lamp can be ordered through your dealer. When ordering a projection lamp, give the following information to the dealer. ● Model No. of your LCD Projection TV PLV-45WR1Z PLV-55WR1Z ● Replacement Lamp Type No. POA-LMP76A (Service Parts No. 610 318 7266) LAMP HANDLING PRECAUTIONS This LCD Projection TV uses a high-pressure lamp which must be handled carefully and properly.
Page 16: Mechanical Disassemblies
■ Mechanical disassemblies Disassemble should be made following procedures in numerical order. Disas ssemb shou d b made e following proce ure in numeric Following steps show the basic procedures, therefore unnecessary step may be ignored. Follow wing s Caution: Screws Expression (Type ) mm...
Page 17 Mechanical disassemblies -1 Cover unit(R) and Cover unit(L) removal. t(R) a nd C over unit(L ) rem oval. 1. Remove the Cover unit(R) and Cover unit(L) of the Cabinet Cover nit( ) an r un L) o Front. (Hold right(left) upper side of the cover and pull forward.) Pull this part Pull this...
Page 18 Mechanical disassemblies -4 Optical / Chassis unit removal (rear side screws). -4 O Optica / Cha unit r emov al (r ar sid e sc ews) 1. Remove the 3 screws C (T4 x 14) and remove the . Rem ve th C (T4 e the...
Page 19 Mechanical disassemblies -1 Panel front unit disassemblies. (door) Pane t uni t disa blies (do r) 1. Push and open the Door. d op n the Pull the Door and remove. Hook (Unhook the Panel front unit and take the Door off.) DOOR Push the this part and open the door.
Page 20 Mechanical disassemblies -4 Panel front unit disassemblies. (decorations and sensor boards) -4 P Panel ont u sasse embli es. ( ecora tion sens 1. Remove the screw H (T3X8) and remove the Bright sensor board. 1. Re ove t ew H (T3X e Bri ht se...
Page 21 Mechanical disassemblies -2 Main board removal. board remova . Remove the connectors and the flexible cables of the LCD panels from the Main board. (Do not touch the electrode of flexible cables.) 1. Remove the 7 screws A (M3 x 8) and remove the Main board. Caution;...
Page 22 Mechanical disassemblies -1 Filter unit removal. -1 F Filter nit re ova . 1. Remove the screw A (M3 x 8), remove the 4 screws B (T3 x 8) and remove the Filter unit. FILTER UNIT Fig. 6-1 -2 Filter unit disassemblies. Fi Filt t d d isa a ss...
Page 23 Mechanical disassemblies -1 AV unit removal. AV u t remova 1. Remove the screw A (M3 x 8) and remove the AV unit. AV UNIT Fig. 7-1 -2 AV unit disassemblies. 1. Remove the screw A (T3 x 8) and remove the Holder AV. 2.
Page 24 Mechanical disassemblies -1 Tuner & CPU unit removal. -1 T Tuner nit removal. 1. Remove the 4 screws A (T3 x 8) and remove the Tuner & CPU unit. TUNER & CPU UNIT Fig. 8-1 -2 Tuner & CPU unit disassemblies. 1.
Page 25 Mechanical disassemblies Audio & AMP. board removal. & AMP. b board rem val. 1. Remove the 4 screws A (T3 x 8) and remove the Audio & AMP. board. 2. Remove the Spacer sheet upward. AUDIO & AMP. BOARD SPACER SHEET Fig.
Page 26 Mechanical disassemblies -1 Ballast unit removal. Balla t uni emoval. 1. Remove the 4 screws A (M4 x 20), remove the Spacer and remove the 1 Rem A (M FAN (FN904). 2. Remove the 2 screws B (T3 x 8) and remove the Holder fan power. 3.
Page 27 Mechanical disassemblies -2 Ballast unit disassemblies. st unit di sassembl es. 1. Remove the 4 screws A (T3 x 8) and remove the Ballast board. 2. Remove the Spacer sheet(B) and Spacer sheet(C). SPACER SHEET (C) MOUNTING POWER PWB BALLAST BOARD Fig.
Page 28 Mechanical disassemblies Fan(FN902) and Thermal switch (SW902) removal. Fan(F 902) nd Thermal sw tch SW902) remova . 1. Remove the Spacer upward. 1 Rem 2. Remove the 4 screws A (T4 x 40), remove the screw C (T3 x 8), remove the Shield plate and remove the Fan (FN902).
Page 29 Mechanical disassemblies Optical unit removal. Optic l unit rem moval 1. Remove the 6 screws A (T4 x 12) and remove the Optical unit. OPTICAL UNIT SCREWS-A Fig. 13 SCREWS-A - 29 -...
Page 30 Mechanical disassemblies Lamp unit removal. Lamp nit re oval. 1. Loosen 2 screws A and remove the Lamp unit. Loos LAMP UNIT Fig. 14 SCREWS-A Caution; Lamp unit is very hot!. Allow a LCD projection TV to cool, for at least 45 minutes before turn off the LCD projection TV.
Page 31 Mechanical disassemblies -1 Condenser lens unit removal. denser le ns un t removal 1. Remove the 2 screws A (M3 x 6) and remove the Condenser lens unit. 2. Remove the 4 screws B (M2 x 4), remove the Holder and remove the Condenser lens.
Page 32 Mechanical disassemblies -3 Polarized glass units(R,G,B) removal. -3 Polar ed g ss units(R,G,B ) removal. 1. Remove the 3 screws A (M2.5 x 5) and remove the polarized glass units. 1 Re 2. Unhook the stoppers of a holder and remove the Polarized glass (R,G,B). POLARIZED GLASS STOPPER Film attached side...
Page 33 Mechanical disassemblies Optical base top removal. al base t op re mov . 1. Remove the 10 screws A (T3 x 10), and remove the Optical base top. OPTICAL BASE Fig. 17 Optical filter(CS) unit and Mounting Prism unit removal. 1.
Page 34 Mechanical disassemblies -1 Optical parts removal. -1 Opti al par s remova 1. Remove the optical parts upward. 1 Re Fig. 19-1 Note: Do not touch the optical parts surface directly with hand. Mark the optical parts as they are removed from the optical unit so that they may be reassem- bled in the same location from which they were removed.
Page 35 Mechanical disassemblies -1 Prism / LCD panel unit removal. 1 Pr m / LCD pane unit removal. 1. Remove the 4 screws A (M2.5 x 4) and remove the Prism / LCD / LC panel unit. (Be careful not to damage the Prism / LCD panel unit with the driver.) PRISM/LCD PANEL UNIT Fig.
Page 36 Mechanical disassemblies -2 Prism / LCD panel unit disassemblies. -2 Pris / LC panel un t dis ssemblies. 1. Remove the 3 screws A (M2 x 4), remove the 3 stoppers. 1 Re 2. Remove the Polarized glasses(R,G,B) upward. Note: Each polarized glass uses different characteristic polarization glasses.
Page 37 Mechanical disassemblies Fans(FN901,903) and LCD duct unit removal. F ns(FN901,903) and LCD duct nit remova 1. Remove the 3 screws A (T4 x 35) and remove the Fan(FN901). 2. Remove the 4 screws B (T3 x 10) and remove the LCD duct unit. 3.
Page 38 Mechanical disassemblies Speakers removal. akers emoval. 1. Remove the 6 screws A (T3 x 10) and remove the Speaker cover(R). 2. Remove the 6 screws B (T3 x 10) and remove the Speaker cover(L). 3. Remove the 4 screws C (T3 x 8) and remove the Speaker(R). 3.
Page 39 Mechanical disassemblies Cabinet front-back unit removal. net front- back unit emo al. 1. Remove the 6 screws A (T4 x 14) from front side. 2. Remove the 4 screws B (T4 x 14) from back side. 3. Remove the Cabinet front-back unit upward. CABINET FRONT-BACK UNIT CABINET FRONT-BACK UNIT FRONT VIEW...
Page 40 Mechanical disassemblies Cabinet front-back unit disassemblies. net f nt-back unit d sas emb es. 1. Remove the 12 screws A (T4 x 14). (Remove the 10 screws A (T4 x 14). ---- PLV-45WR1Z ) 2. Disassemblies the Cabinet front unit and the Cabinet back unit. CABINET FRONT UNIT CABINET BACK UNIT Fig.
Page 41 Mechanical disassemblies Mirror removal. M rro remo o val. 1. Remove the Mirror upward. 2. Remove the Holder mirror (T1). 3. Remove the 6 screws A (T4 x 14) and remove the 3 Holder mirrors(BTM). Caution; Be careful not to damage the mirror. Do not touch the mirror surface directly with hand.
Page 42 Mechanical disassemblies Screen unit removal. en u t re mova 1. Remove the 6 screws A (T4 x 14) and remove the Holder screen (TOP). 1. R ws A d r move he H n (TO 2. Remove the 6 screws B (T4 x 14) and remove the Holder screen (BTM). 3.
Page 43 Mechanical disassemblies Lamp cover and Air filter removal. p cover a nd A r filt r remova 1. Loosen the 4 screws A and remove the Lamp cover. 2.Push downward with a forefinger on the Filter holder and pull the Filter Holder off the Cabinet bottom.
Page 44 Mechanical disassemblies Holder grill units disassemblies. Hold grill nits disassem blies 1. Remove the 3 screws A (T4x14) and remove the Holder grill(R). 1 Re 2. Pull and remove the Stopper shaft. (Stopper shaft is attached in holder grill by the snap fit.) (Unhook the holder grill and take the stopper shaft off.) 3.
Page 45 Mechanical disassemblies -2 Stand unit disassemblies. nd nit d sass emb es. 1. Remove the 12 screws A (T3x8), remove the 2 Stand plates(A) and remove the Stand plate(B). STAND BASE STAND PLATE (A) STAND PLATE (B) STAND PLATE (A) Fig.
Page 46: Optical Parts Location And Direction
Optical parts location and direction Op ical parts lo o cat on and direction KEY No. DESCRIPTION ASSY PRISM (PBS) ASSY LCD PANEL/PRISM LENS PROJECTION LENS CONDENSER (IN) LENS INTEGRATOR (IN) LENS INTEGRATOR (OUT) LENS CONDENSER (OUT) LENS CONDENSER (G) LENS CONDENSER (R) LENS RELAY (IN) LENS RELAY (OUT)
Page 47 Optical parts direction Rugged surface side Concave surface side comes this side. comes this side. INTEGRATOR LENS (IN) CONDENSER LENS (IN) Fig. 32 Fig. 31 Rugged surface side comes this side. this Film attached side comes this side. INTEGRATOR LENS (OUT) Fig.
Page 48 Optical parts direction Film attached side Film att hed s Film side comes this side. comes Film side Polarized glass Film attached side comes this side. (LCD Panel side) PRISM / LCD PANEL UNIT POLARIZED GLASS Fig. 38 Fig. 37 Optical filter (LENTI) comes this side.
Page 49: Sensors And Switches Location
Sensors and Switches location Sensors and Switches ocation Tuner board Audio & AMP. board CPU board Temp. sensor FN901 AV rear board (IC8861) AV front board Main board Power ON/OFF switch(SW6807, SW6811,SW6812) Bright sensor (Q8871) CPU reset switch(SW1061) Sub power board FN903 FN903 is arranged to bottom of the optical...
Page 50: Adjustments After Parts Replacement
■ Adjustments after Parts Replacement After replacing electrical parts and optical parts, electrical adjustments and optical adjustments are required. After replac elec rical parts and optica parts ele rical adjus optica l adju stme e req ired. ● ❍ ❍ ❍...
Page 51: Optical Adjustment
■ Optical Adjustments ● Preparation for Adjustments ● rep p arat on for A A dj j stmen s Before taking optical adjustments, remove the optical / chassis unit following to the “Mechanical Disassemblies” Note: Do not disconnect connectors K8A, K8D, K8E, K8F, K8K, K8L, K8S and K8T on the main board, because the LCD projection TV can not turn on due to operate the power failure protection.
Page 52 Optical adjustment Note: Note: If the picture is left / right reversed on a screen, you can f the p p icture s left / rig reversed o a s reen, ou an select front or rear projection for your convenience. Overview for Servicing (an example) Rear function Front function...
Page 53 Optical adjustment Adjustment of optical components location A justm m ent of optical c mponents locatio Condenser lens, Relay lens and contrast adjustment operate it from a back side.(Item1-1~1-3) (Refer to page 48~50. Remove the Optical/Chassis unit from the Cabinet) Picture image and focus adjustment operate it from a front side.(Item 2-1~2-4) (Refer to page 57~60.) (1-2) Relay lens adjustment...
Page 54: Condenser Lens Adjustment
Optical adjustment Optical system adjustment Optic syst m adjustm m ent 1-1. Condenser lens adjustment 1. Turn the LCD projection TV on by a state of without FPC cables. White White 2. Adjust the adjustment base of condenser lens unit to make color uniformity in white.
Page 55: Relay Lens Adjustment
Optical adjustment 1-2. Relay lens adjustment elay ens adjus ment 1.Turn the LCD projection TV on by a state of without FPC cables. White White 2. Adjust the adjustment base of relay lens unit to make color uniformity in white. a) If the shading appears on the left or right of the screen as shown in figure, loosen screw A with the ball allen wrench, and adjust the slot B to make color uniformity in...
Page 56: Contrast Adjustment
Optical adjustment 1-3. Contrast adjustment (R,G,B) 1-3. Co ontras djus me t (R,G B) R, G and B Contrast adjustment : 1. Turn the LCD projection TV on and input a 100% of Fig. 50a black raster signal (0% of white raster signal). 2.
Page 57: Picture Image And Focus Adjustment
Optical adjustment Picture image and focus adjustment (Projection lens adjustment) Pict re image and focu adju tme t (Projecti ustm ent) Before adjustment Projection lens Screw-E 1. Turn the LCD projection TV on and display grid pattern or circular pattern on the screen. 2.
Page 58 Optical adjustment 2-1. Picture tilt adjustment 2-1. Pi icture lt ad stment When the picture is tilted, adjust the tilt of the picture. 1. Loosen the 2 screws A from the lens shift unit. 2. Project the cross-hatch or circular pattern. 3.
Page 59 Optical adjustment 2-2. Horizontal centering adjustment 2-2 Horiz ntal centering adjustment When the picture is shifted to right or left, adjust the picture horizontally. 1. Loosen the 2 screws A from the lens shift unit. 2. Project the circular pattern on screen. 3.
Page 60 Optical adjustment 2-4. Picture focus adjustment 2-4. Pi icture ocus adjustmen n t When the picture is off focused, adjust the picture focus. 1. Loosen the Projection lens focus lock screw E and slide the screw E for best focus. Be sure to tighten the lens focus lock screw E and fix the Projection lens after adjustment.
Page 61 Optical adjustment Adjustments after Projection Lens Replacement Ad d jus ments a ter Projection Lens R After replacing a projection lens,the following procedure performs focus adjustment below. 1. All the spacers remove. This spacer is an object for back focus adjustment of a projection lens.
Page 62 Optical adjustment Projection lens spacer removal. Projec ction l ns sp acer val. 1. Remove the 2 screws and remove the projection lens spacer. . Rem move th 2 sc nd re he rojec ns s acer Projection lens spacer Fig.
Page 63: Electrical Adjustments
MENU LAMP SCREEN AUTO PC FREEZE MODE Input Mode Service Mode Item No. Computer Data value Version No. SANYO TempA TempB 23.45 34.56 Fan1 Speed Fan2 Speed Fan3 Speed Note : ote : This part of display is available at the service mode No.106 - 159.
Page 64: Circuit Adjustments
Electrical Adjustments ● Circuit Adjustments ● Ci rcui Adjustm m ents CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the follow- CAUT ON: T ing adjustments except requiring the readjustments in servicing otherwise it may cause loss of per- formance and product safety.
Page 65 Electrical Adjustments TV video level adjustment V video eve l ad ustm ment PC black Level adjustment C bla ack L l ad ustm Equipment Oscilloscope illo scop Equipment ment Oscilloscope Input mode TV mode Input mode PC_2 [Analog RGB] mode Input signal Color bar pattern Input signal...
Page 66 Electrical Adjustments ⁄2 ⁄ ⁄ ⁄ Gain adjustment ain a just White Balance adjustment e ad djust Equipment Equipm ment Oscilloscope scop Input signal 16-step gray scale signal 6-st p gra e sig Input signal 16-step gray scale signal 12-1 Input mode PC_2 [Analog RGB] mode 9-1 Input mode PC_2 [Analog RGB] mode...
Page 67: Service Adjustment Data Table
Electrical Adjustments ● Service Adjustment Data Table ● erv ce Adju justm m en Da a Table These initial values are the reference data written from the CPU al valu es are the r eren ce dat a writt en fro m the ROM to memory IC when replaced new memory IC.
Page 68 Electrical Adjustments Initial Initial ItemNo. Name temNo. N Name YCbCr Video Detail Detail Analog Analo HDCP 480p_+ 720p 480i_+ NTSC FAN CONTROL Range Fan Min. control (Fan 1) 0-255 ✻ FAN Minimum Voltage Adjustment Fan Min. control (Fan 2) 0-255 Fan Min.
Page 69 Electrical Adjustments Initial ItemNo. Name YCbCr Video Detail Analog Analog HDCP HDCP 480p_+ 480p_ 720p 480i_+ NTSC NTSC TA1370FG Sepa Level 2/1 (#) Sync Separator Level setting, (#) = 480p / 1080i HD Phase 32/32(#) HD Output Phase setting, (#) = 480p / 1080i NJW1136 SUR (Surround Level) ( 0: OFF / 1: pseudo ) / 2: Low / 3: High...
Page 70 Electrical Adjustments Initial Initial ItemNo. Name temNo. N N ame YCbCr Video Detail Detail Analog Analo HDCP 480p_+ 720p 480i_+ NTSC Position (Horizontal) 480p Position (Vertical) 480p Expand Ratio (Vertical) 575p For Component 575p mode Expand Ratio (Horizontal) 575p Position (Horizontal) 575p Position (Vertical) 575p Expand Ratio (Vertical) 720p For Component 720p mode...
Page 71 Electrical Adjustments Initial ItemNo. Name YCbCr Video Detail Analog Analog HDCP HDCP 480p_+ 480p_ 720p 480i_+ NTSC NTSC Position (Vertical) 50Hz HDCP Range = 1-5 NORMAL Scale (AV) Range = 1-63 MDIN-150 Video H_peaking FLT control 0 / 0 (#) (#) = 480p / 1080i Deint Mode Deint Thres...
Page 72: Test Points And Locations
Electrical Adjustments Test Points and Locations Test ts and L L oca a tions ● MAIN BOARD ● TUNER BOARD IC4281 TPVS_IP TPCLK_IP TPHS_IP IC4266 IC4261 K35B K35R TPFAN2 - 72 -...
Page 73: Chassis Block Diagrams
■ Chassis Block Diagrams ● Chassis Overview ● Chassis Overview B-LCD PANEL G-LCD PANEL R-LCD PANEL PWM_PIC IC1803 O_EXP. IC1802 O_EXP IC1801 O_EXP. IC1811 BUFFER IC4261,66 BUFFER IC1201 PC/AV SW SCART_RGB Y,Cb,Cr CV,YC IC4001 IC3001 YUV-SW SELECTOR IC201 VIF/SIF DVI-D D-SUB_15 D SUB_ UB 5...
Page 74 Chassis Block Diagrams ● TV signal processing circuit ● TV V sign l pro o cessing circuit TUNER BOARD IC8502 EEPROM 8MHz CLK/DATA K11D K1D _IN/OUT IIC_SCL/SDA IIC_SCL/SDA 36-38 32,34 RF AGC MUTE MAIN IC8504 H/V_SYNC BOARD TV CPU A201 NTSC=H "K8Z"...
Page 75 Chassis Block Diagrams ● Audio signal processing circuit ● Audio signal processing circuit TUNER BOARD CPU BOARD MAIN BOARD K11D K1D IIC_SCL/SDA CLK, DATA_I/O IC8504 TV CPU OSD_RGB SIF SYSTEM K1B K8Z IC202 IC1806 TV_CV X202 A201 BUFFER IC201 SAW-F TUNER VIF/SIF <LA75501>...
Page 76 Chassis Block Diagrams ● Input video signal selecting stage ● Inp p ut v deo signal se ecting tage TUNER BOARD CPU BOARD MAIN BOARD TV_H/V_SYNC K11D K1D IIC_SCL/SDA CLK, DATA_I/O IC8504 TV CPU OSD_RGB IC1806 K1B K8Z IC202 BUFFER TV_CV X202 A201...
Page 77 Chassis Block Diagrams ● Video signal processing stage and LCD panel driving stage ● V deo signal processing stage and LCD ving Timing Chart INPUT SIGNAL MAIN BOARD INPUT SIGNAL IC4271,4281 INPUT SIGNAL SDRAM <EM638325> INPUT SIGNAL _RED INPUT SIGNAL IC4201 _GREEN RGB_AD...
Page 78 Chassis Block Diagrams ● Power factor control circuit for Lamp ballast ● Po o wer actor con n trol circuit f r Lam m p ballast PWM COMPARATOR TIMING CHART COMP ARATO R TIMI NG CHA NOTE : Power factor control (P.F.C.) is performed by IC601 and the peripheral cir- cuits.
Page 79: System Controls
Chassis Block Diagrams ● System Controls ● System m Co o ntrols K01S K20S LED-On: H IC1801 OUTPUT EXPANDER IC4841 IC1802 OUTPUT EXPANDER IC3561 IC1804 OUTPUT EXPANDER IC501, IC1501, IC2501 IC1871 S&H INVERTER IC1811 IC1803 BUS_BUFFER OUTPUT IC1861 EXPANDER LAMP IC1812 CONTROL BUS_BUFFER...
Page 80: Power Supply Lines
■ Power Supply Lines ● Power supply circuit, Protection circuit and Fan control circuit ● Po ower upply circuit, Protect on c rcu and d Fan circ FN901 FN902 FN903 FN904 FAN3 TPFAN3 FAN2 TPFAN2 K35B K35G K35R 1 2 3 1 2 3 1 2 3 1 2 3...
Page 81: Troubleshooting
■ Troubleshooting ● Indicators and Conditions ● ator s an nd C itio Check the indicators for LCD Projection TV condition. ors f r LC ectio ondi on Indicators LCD Projection TV Condition LAMP WARNING POWER REPLACE red/green orange The LCD Projection TV is OFF. (The AC power cord is unplugged.) The LCD Projection TV is preparing for stand-by or the projection lamp is ✽...
Page 82: No Power
Troubleshooting ● No Power ● No o Pow This LCD projection TV provides a function which can be specified a defective area simply by indicating the LEDs This LC CD pr ectio TV rovides a b spec tive dica g th on the control panel.
Page 83 Troubleshooting ● ● No Power No Power Check the switching regulator. STR-Z2156A If this Vcc voltage reach- If this voltage reaches to Check the signal at pin es to abnormal voltage abnormal voltage Switching regulator 5 of T651. (Switching (exceeds 22V), IC651 (exceeds 6.8V), IC651 power IC output signal.) will be shut down.
Page 84: No Picture
Troubleshooting ● No Picture ● No o Pict Check following steps. No picture with all of Check signal processing stage and LCD driving stage; input sources Check RGB S&H signals at test points TPPANELR, TPPANELG, TPPANELB. Check LCCOM signals to LCD panels for common center. Check power supply circuit 15V and peripheral circuit.
Page 85 Troubleshooting Check AV source selecting stage; No picture with "VIDEO1" S-VIDEO input source S-video signal (Y/C) is selected in IC3001(Selector IC) and sent to IC3101 and then decoded to component signals. S_SW signal (S-Video cable is connected:L) is applied on pin 7 of IC3001, and S_Video source has priority over Video source.
Page 86: No Sound
Troubleshooting ● No Sound ● No o Sou Check following steps. No sound with TV input source Check TV audio signal circuit. Is TV audio signal observed at pins 62 and TV SIF signal is output from IC201 and sent to IC3400(TV sound 64 of IC3001? processor IC).
Page 87: Waveforms
■ Waveforms TV_COLORBAR-IN <TP-V> TV_C LORBAR-IN <TP-V PC2_16STEP-IN <TP-GIN> PC2_ 6ST GIN> PC2_16STEP-OUT <TPPANELG> _16ST TEP-O OUT < <TPPA ANELG G> AV_Y <IC1201-7> AV_CB <IC1201-13> AV_CR <IC1201-3> VIDEO2_Cr-IN <TP-RIN> VIDEO2_Y-IN <TP-GIN> VIDEO2_Cb-IN <TP-BIN> PC2_R-IN <TP-RIN> PC2_G-IN <TP-GIN> PC2_B-IN <TP-BIN> R-OUT <TPPANELR> G-OUT <TPPANELG>...
Page 88: Special Function
■ Special Function ● Special function menu operation ● Sp p ● How to set special function ● peci l fun nctio on m pera set s spec cial ctio The following special functions can be set up. The fol llowing spec tions...
Page 89: Control Port Functions
■ Control Port Functions ● I/O Port Table of Main CPU (IC301, PW172A) ● O Po o rt Table of Main CPU (IC3 01, PW17 Pin No. Name Function Name Function Func Polarity olarity Port A7 LAMP_PWM PWM Output to Lamp_CPU Port A6 Port A5 SCL1...
Page 90 Control Port Functions ● TV CPU (IC8504, M37225MC) ● TV CPU C8504, M M372 225MC) Pin No. Pin No. Name Function Func H_sync Input Active Low V_sync Input Active Low P_ON/OFF ON = H AGC MUTE Output TV = L , Others = H REQUEST Output RESET Output SLOT_106...
Page 91 Control Port Functions ● IIC Bus D/A Converter (IC3561, M62398FP) ● I C Bu s D/A A Co ter C3561, M623 3 98F Pin No. Name Function Reset input SCL1_TEMP IIC BUS SCL SDA1_TEMP IIC BUS SDA REF_R REF_G REF_B Not used Not used Not used...
Page 92 Control Port Functions ● Output Bus Buffer (IC1801, TC74LCX574FT) ● Ou utput us Buffer 801 TC 4LCX574FT) Pin No. Pin No. Name Function Func IO_ENB 2 - 9 D0 - D7 D0 - D7 Output Port Chip Select Enable = L ON TIMER_LED On Timer LED On Timer = H...
Page 93: Ic Block Diagrams
■ IC Block Diagrams ● AD8074 <Video Buffers, IC1071> ● AD8074 < < Video Buf ers IC 071> ● BA7078 <Sync Detector, IC5301> 8 <S c De etec tor, IC53 301> > AD8074 /AD8075 DGND OUT2 +1/+2 AGND OUT1 +1/+2 AGND OUT0 +1/+2...
Page 94 IC Block Diagrams ● AN5870SB <RGB SW, G_Sync Separator, IC1201,IC4001> ● AN N 5870SB <RGB SW, G_Sync S parator ,IC4 4001 > ● BA9743AFV <DC-DC Converter, > IC3631 - 94 -...
Page 95 IC Block Diagrams ● CXA2069Q <AV Selector, IC3001> ● XA2 2 069Q <AV Sel ctor, IC3001> ● FA5502M <P. F. Controller, IC601> - 95 -...
Page 96 IC Block Diagrams ● FA7700V, FA7701V <Switching Power Supply Controller, ● FA F F A770 V, FA7701V <S witc ntro oller IC6701, IC7801, IC7821> , IC7 7821 U V L O V R E F 0.3V ON/OFF – VREF 2.2V O S C S.C.P 1.5V...
Page 97 IC Block Diagrams ● LA75501V <VIF/SIF, IC301> ● A75 5 501V <VIF/SIF IC301> ● L3E07070 <Signal Processor for TFT LCD, IC401> - 97 -...
Page 98 IC Block Diagrams ● L3E06110 <LCD Driver, ● L3 3 E06 10 <LCD Driver, > IC501, IC1501, IC2501 IC501 IC1501 IC2 CONTROL LOGIC DAC LATCHES ● M51204 <Comparator, IC851> Output COMPARATOR Reverse Input Input - 98 -...
Page 99 IC Block Diagrams ● NJM2769A <Amplifier, IC061> ● JM2 2 769A <Amplif er, IC061> BIAS OUT2 SPEAKER BIAS SPEAKER MUTE OUT1 MUTE MUTE H : SPEAKER Active L : SPEAKER Mute ● NJW1136 <Audio Processor, IC001> - 99 -...
Page 100 IC Block Diagrams ● PW172A <Scaler, Main CPU, IC301> ● PW W 17 A <Sca er, M M ain C U, IC301> ● STR-Z2156A <Switching Power, IC651> - 100 -...
Page 101 IC Block Diagrams ● TA1366FG <YUV SW, IC6201> ● TA1366FG G <Y Y UV SW, IC620 > ● TA1370FG <Sync Separator, Frequency Counter, IC6301> - 101 -...
Page 102 IC Block Diagrams ● TA8258H <Dual Audio Power Amplifier, IC6301> ● TA T T A825 H <Dual Audio Power Amplifie e r, IC ● TB1274 <Video Decoder, IC3101> - 102 -...
Page 103 IC Block Diagrams ● TC90A88F <3D/3L-Y/C Separator and DNR, IC1101> ● TC90A88F <3 3 D/3L-Y/C Sep rato o r an > ● TDA9875A <TV Sound Processor, IC3400> - 103 -...
Page 104: Service Parts Lists
■ Service parts list Note: Note Part order must contain Model No., Chassis No., Part No., and descriptions. Give complete “Chassis No." for parts order or servicing, it is shown on the rating sheet on the cabinet of the LCD Projection TV. Mechanical parts Configurations Cabinet front Unit...
Page 105 Mechanical Parts 27 x 3 29 x 3 28 x 3 Fig. 102 S3 x 16 S3 x 6 S3 x 4 S3 x 6 S3 x 4 Fig. 103 - 105 -...
Page 106 Mechanical Parts Fig. 104 S5 S5 Fig. 105 F F ig. 10 - 106 -...
Page 107 Mechanical Parts S1 S1 S2 S2 S2 Fig. 106 Fig. 10 0 6 - 107 -...
Page 108 Mechanical Parts Fig. 107 Fig. 107 - 108 -...
Page 109 Mechanical Parts Fig. 108 - 109 -...
Page 110 Optical Parts Fig. 109 - 110 -...
Page 111 Optical Parts 202-2 (G) 202-4 S15 S15 202-4 202-1 (R) 202-4 202-3 (B) Prism / LCD panel unit Fig. 110 217 (R) 218 (G) 219 (B) Polarized glass unit 134 (R,G) 133 (B) Fig. 111 - 111 -...
Page 112 Optical Parts Condenser lens unit Fig. 112 Relay lens unit Fig. 113 - 112 -...
Page 113 Electrical Parts PWB assemblies location PWB assemb e locat on FILTER BOARD MAIN BOARD AV REAR BOARD SUB POWER BOARD BALLAST CPU BOARD POWER BOARD TUNER BOARD AUDIO & AMP. BOARD COVER SW BOARD AV FRONT BOARD SENSOR BOARD Fig. B-1 TEMP.
Page 114 Ref. N Part No. art No Description D scri tion Ref. No. Part No. Description criptio ■ PLV-55WR1Z 127. 610 313 6585 SPACER MTG LNS T03-P8FK 610 316 3352 SPACER MTG LNS T04-P8FK 610 316 3369 SPACER MTG LNS T02-P8FK ******************************************************...
Page 115: Electrical Parts List
Part No o Description De crip on Ref. No. Part No. Part Description Descr ption ■ PLV-55WR1Z ■ ****************************************************** ****************************************************** ACCESSORIES ASSEMBLIED BOARDS PRINTED MATTER / OWNER'S MANUAL 610 313 1757 ASSY,PWB,AV REAR P8FK 610 318 4265 OWNERS MANUAL P8FLZ...
Page 116: Differences Parts List (Plv-45Wr1Z)
Par No. Description Desc ption Ref. No. Part No. art No Description script ■ ■ ■ Difference between PLV-55WR1Z and PLV-45WR1Z ■ ■ ■ ● PLV-55WR1Z ● PLV-45WR1Z ****************************************************** ****************************************************** ASSEMBLIED BOARDS ASSEMBLIED BOARDS 610 312 9426 ASSY,PWB,MAIN P8FK 610 316 0177 ASSY,PWB,MAIN P8GK...
Page 117 MEMO Product safety should be considered when a component replacement is made in any area of a projector. uct s afety hould be c onsi ered when a com pone ent is e in a y ar ea of proj ector.
Page 118 MEMO - 118 -...
Page 119 MEMO - 119 -...
Page 120 SANYO Electric Co., Ltd Nov./'04 90 Printed in Indonesia...
Page 121 These schematic diagrams and printed wiring board drawings are part of the ser- vice manual original for chassis No. PLV-55WR1Z-00 model PLV-55WR1Z and chas- vi e m m anu u al or r ig g inal fo o r ch LV-5 sis No.
Page 122: Parts Description And Reading In Schematic Diagram
■ Parts description and reading in schematic diagram PLV-55WR1Z-00 PLV-45WR1Z-00 1. The parts specification of resistors, capacitors and . The parts spec icatio n of resis ors, capac tors Resistor Reading esis tor R Read coils are expressed in designated code. Please check...
Page 125 Y/Cb/Cr...
Page 129 TP-5V X271 X272 TP-V2 C265 C262 C264 TP-R C263 C243 TP-L C3487 TP-9V JP8513 C260 L260 R236 R239 R237 R234 R233 L3453 L3450 C242 C241 R232 L205 C237 L3458 R247 R248 R6720 R249 C246 C3480 R250 L3454 L3457 C247 X206 JP8522 IC201 C223...
Page 130 K01P K01B K01A K01L K01R R067 R077 R086 R087 C086 R043 Q086 R076 C082 C063 R066 R083 C057 C064 C074 C056 C0 0 56 C067 D041 C073 C053 C053 R064 C062 C072 C054 R053 C068 R063 Q081 R073 C061 C071 R054 C605 R062...
Page 131 K6AC C612 L611 L613 C668...
Page 133 CN02 SUB1 R1232 R1291 C1203 C1201 R1231 R1293 IC1291 C1296 R1297 R1234 C1221 R1233 R1243 R1222 R1266 R1221 R1257 R1287 R1203 R2231 IC1281 R1224 R1217 R1286 R2238 8 8 8 R2232 Q9911 Q9917 C1223 C1286 IC1261 R2235 R1237 R1223 R1277 R9919 R1236 R9913...
Page 135 ■ Pin description of diode, transistor and IC PLV-55WR1Z-00 PLV-45WR1Z-00 ● Diode ● D ode ● 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 ●...
Page 136 SANYO Electric Co., Ltd. Diagrams & Drawings (P8FLZ)

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