Instruction/ maintenance manual of the product WD-62528 Mitsubishi Electronics
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• Design specifications are subject to change without notice. MITSUBISHI DIGIT AL ELECTRONICS AMERICA, INC. 9351 Jeronimo Road, Irvine, CA 92618-1904 Copyright © 2005 Mitsubishi Digital Electronics America, Inc.
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MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 3 INTRODUCTION ............................................................................................................................... .5 PRODUCT SAFETY NOTICE .............................
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 4 Fans Power Supply .............................................................................................................. ......... 5 3 Analog Video Signal Path ...........................
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 5 INTRODUCTION This service manual provides service instructions for LCD Projection TV Models and Chassis: V28 Chassis V28+ Chassis WD-52527 WD-52528 WD-62527 WD-62528 This service manual includes: 1.
Page 6 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 SAFETY PRECAUTIONS NOTICE: Observe all cautions and safety related notes located inside the receiver cabinet and on the receiver chassis. W ARNING: 1. Operation of this receiver outside the cabinet or with the cover removed presents a shock hazard from the receiver's power supplies.
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 7 SPEAKER GRILLE Removal Pull the SPEAKER-GRILLE away from the cabinet to remove. SCREEN-ASSY Removal 1 ) Remove 10 screws (a) from the upper cabinet rear cover (3 screws on each side and 4 screws across the top).
Page 8 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 BACK-COVER Removal 1 ) Remove 9 screws (a) 2 ) Remove 13 screws (b) 3 ) Pull the COVER-BACK from the cabinet.
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 9 Chassis Mounting Screws Removal Remove the two chassis mounting screws (b). Release Cable Clamps & Disconnect CE Connector (b) (b) Cable Cla.
Page 10 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 On the right side of the chassis (from the rear): 1 ) Release the AC Cord from it’s mounting. 2 ) Unplug ES1 connector to the speakers. Chassis removal from the Cabinet Carefully rotate the chassis clockwise to slide it from the cabinet.
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 11 Complete Chassis Removal T o completely remove the chassis from the cabinet, the folowing connectors must be unplugged. • PL plug to the Ballast (on the left side of the chassis). • KA plug from the PWB-RISER (right side of chassis).
Page 12 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Chassis Disassembly / Accessing PWBs Note: Although not individually indicated, unplug the required connectors in each disassembly step . REMO VE Chassis To p Cover (F ig . 1 ) REMO VE PW B -PO WE R (F ig .
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 13 Assy PWB- TERMINAL Removal (Figure 2) 1 ) Remove 7 screws (a) to remove the TERMINAL-INLA Y. 2 ) Remove 3 screws (b) to remove the Assy PWB-TERMINAL. Figure 1: Chassis Cover Removal Chassis Cover Removal (Figure 1) 1 ) Remove the 4 screws (a).
Page 14 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 PWB-POWER Removal (Figure 3) 1 ) Remove four screws (b). 2 ) Disconnect all connectors to PWB-POWER. 3 ) Lift PWB-POWER from the chassis. Figure 3: PWB-POWER and Chassis Upper Shield Chassis Upper Shield Removal (Figure 3) 1 ) Remove seven screws (c).
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 15 Fi gure 4: Chassis Rear Shield Removal Chassis Rear Shield Removal ( Figure 4) 1 ) Remove nine screw (c). 2 ) Remove two nuts (c1). 3 ) Pull off Chassis Rear Shield. PWB-MICRO Removal Referring to Figure 5.
Page 16 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Figure 6: PWBs MICRO, RISER and FORMA T Removal Figure 7: PWB-DM Removal PWB-DM Removal ( Figure 7) 1 ) Remove three screws (g) holding the PWB- MICRO Support Bracket. 2 ) Remove the Support Bracket.
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 17 Light Engine Replacement Light Engine and Associated Components The exploded view below shows the the Light Engine and those components attached directly to the Engine. When replacing the Light Engine, these components must be removed from the original Light Engine.
Page 18 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Light Engine Replacement Preliminary Refer to the chassis removal procedure and remove the BACK-COVER and Metal Support Plate (page 8) 1 ) Remo.
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 19 5 ) Remove two screws (c) from Fan Plate and remove Fan Plate 6 ) Disconnect all connectors 4 ) Remove one screw (b) securing engine plate and base Light Engine Replacement 8 ) Remove wiring from three wiring clamps (d).
Page 20 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 1 1 Loosen (2) screws (h) to remove Ballast Cable 1 2 ) Disconnect all connectors from Interface PWB and remove (2) screws (k) from Bracket 1 0.
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 21 15) Lift the Engine from Engine plate leaving the Lamp Duct fan, Lamp Duct Intake and Ballast. INST ALLA TION 1 ) Reverse the above steps. 2 ) Copy White Balance Data to PWB-FMT (refer to page 29).
Page 22 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 SER VICING THE LENTICULAR SCREEN AND FRESNEL LENS CAUTION: Wear gloves when handling the Lenticular Screen and Fresnel Lens. This prevents cuts and finger prints. Do not place Fresnel Lens in the sun .
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 23 Figure 2: BEZEL Removal (Front View) Figure 3: Lenticular Screen & Fresnel Lens Removal (Rear View).
Page 24 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 SER VICING THE LENTICULAR SCREEN AND FRESNEL LENS Lenticular Screen and Fresnel Lens Installation Note: S tore the Lenticular Screen and Fresnel Lens in a cool dry place. High humidity may deform the Lenticular Screen and Fresnel Lens.
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 25 OPTION MENU 1. Press the “MENU” button on the remote hand unit. 2. Press the buttons “2”, “4”, “7” and “0” in order .
Page 26 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 A . A/V Memory Each of the external inputs has its’ own Audio/Video Memory . A change in an A/V setting at a specific input is stored in memory for that specific input.
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 27 3 . Error Code Operational Check Note: The TV must be in “Shut Down” and not have been switched Off, to perform the Error Code Opera- tional Check. When the TV is switched Of f, the code automatically resets to “12” No Error .
Page 28 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 SERVICE ADJUSTMENTS There are only 4 Service Adjustments required in these models: T wo Electrical Adjustment s • Horizontal Centering • V .
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 29 4. Adjustment Selection Use the “VIDEO” button to select a specific elecrtrical ajustment, “1 HPOS” or “2 VPOS”. 5. Adjusting Dat a After selecting an adjustment item, use the “UP” and “DN” buttons to change adjustment data.
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 30 Light Engine Adjustment s T est Signal Activation 1 ) Press “MENU-2-4-5-7” (Service Mode) 2 ) Press “REW” (T est Pattern).
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 31 Af ter Adjustment (refer to previous page) 1 ) Tighten Nuts (1) and (2). 2 ) Tighten Slide-Lock-Mate fixing screws (1) and (2). 3 ) Insure [A-1] and [A-2] are flush against [A-3]. T rapezoid Distortion Adjustment 1 ) Loosen [A-1] and [A-2] so they clear [A-3].
Page 32 Purpose: Measuring Instrument T est Point Measuring Range Input Signal Ext. T rigger Input T erminal Symptom: MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 [Format Circuit] ---- ------ ------ Internal T est Patern. Video T o center the picture on the screen.
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 33 MICRO / TERMINAL PWB TROUBLESHOOTING S y m ptom P os s ible Ca us e s No audio or v ideo on one input P hy s ic al dam age on RCA jac k , br ok.
Page 34 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 POWER P W B TROUBLESHOOTING SYMPT OM CHECK POINT POSSIBLE CA USE Check +15VS @ connector PD pin 1 Chec k Q 9E00 circuit Check -15VS @ connector.
MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 35 LCD ENGINE INTERNAL LA YOUT S y m p to m Ca u s e W h a t to ch e c k FM T d oes no t tu r n on la m p d ue to f au lt detec t ion Chec k err or c ode on f ront pannel. Chec k problem indic at ed.
Page 36 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 ENGINE PROTECT LINE LED Em ergency Indicators code LAMP- TEMP FILTER- DET SENSOR- DET (Device+Menu) [LT] [CF] [DT] Engaged En gaged Engaged 2.88 V ~ 2.68 V 2.82 V N/A N/A Normal condition Status: Turns O FF fast Yellow.
PAGE 37 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Using Lead Free Solder Pb S old e r The above symbol indicates Lead (Pb) Free solder was used during the construction of PWBs. Only Lead Free solder should be used when servicing these PWBs. Solder must be compatible with that used by the manufacturer .
PAGE 38 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 CHIP P ARTS REPLACEMENT Some resistors, shorting jumpers (0 Ohm resistors), ceramic capacitors, transistors and diodes are chip parts. The following precautions should be taken when replacing these parts.
PAGE 39 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Parts Ordering T o expedite delivery of replacement parts orders, specify the following: 1. Model Number/Serial Number 2. Part Number and description 3. Quantity Note: Unless complete information is supplied, delay in processing of orders will result.
PAGE 40 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 QUICK REFERENCE FOR COMMON P ARTS Assemb l y WD-52527/WD-52528 W D- 62527/WD-62528 ASSY -PW B-POW ER1 930B933001 930B933001 ASSY -PW B-TE RMINA.
PAGE 41 Ref # Part # Part Name & Description [# ] MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 [#] Model Legend: [a] WD-52527, [b] WD-52528, [c] WD-62527 [d] WD-62528 Ref # Part # Part Name &a.
Ref # Part # Part Name & Description [# ] PAGE 42 Ref # Part # Part Name & Description [# ] MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 [#] Model Legend: [a] WD-52527, [b] WD-52528, [c] W.
PAGE 43 Ref # Part # Part Name & Description [# ] MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 [#] Model Legend: [a] WD-52527, [b] WD-52528, [c] WD-62527 [d] WD-62528 Ref # Part # Part Name &a.
Ref # Part # Part Name & Description [# ] PAGE 44 Ref # Part # Part Name & Description [# ] MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 [#] Model Legend: [a] WD-52527, [b] WD-52528, [c] W.
PAGE 45 Ref # Part # Part Name & Description [# ] MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 [#] Model Legend: [a] WD-52527, [b] WD-52528, [c] WD-62527 [d] WD-62528 Ref # Part # Part Name &a.
Ref # Part # Part Name & Description [# ] PAGE 46 Ref # Part # Part Name & Description [# ] MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 [#] Model Legend: [a] WD-52527, [b] WD-52528, [c] W.
PAGE 47 Ref # Part # Part Name & Description [# ] MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 [#] Model Legend: [a] WD-52527, [b] WD-52528, [c] WD-62527 [d] WD-62528 Ref # Part # Part Name & Description [# ] Part No. V alue Part No. V alue 181P806020 50V 2.
Ref # Part # Part Name & Description [# ] PAGE 48 Ref # Part # Part Name & Description [# ] MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 [#] Model Legend: [a] WD-52527, [b] WD-52528, [c] W.
PAGE 49 Ref # Part # Part Name & Description [# ] MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 [#] Model Legend: [a] WD-52527, [b] WD-52528, [c] WD-62527 [d] WD-62528 Ref # Part # Part Name &a.
Ref # Part # Part Name & Description [# ] PAGE 50 Ref # Part # Part Name & Description [# ] MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 [#] Model Legend: [a] WD-52527, [b] WD-52528, [c] W.
PAGE 51 MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528 Screen Assembly (Exploded View).
MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 52 Main Power Supply.
MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 53 Lamp Ballast DC Supply Fans Power Supply.
MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 54 Analog Video Signal Path NOTE : COMP-3 Inputs on V28+ Only.
MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 55 Digit al Video Signal Path.
MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 56 Sound Signal Path.
MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 57 Command Input Circuitry Serial Control Lines.
MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 58 Lamp Control Circuitry Shutter Control.
MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 59 Lamp, Engine & Fan Protect Circuitry TV Guide On® Screen Block Diagram.
MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528 Page 60.
BOSS BOSS BOSS 1 2 3 4 123 1234 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 123456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 123 1 2 3 21 123456789 1 0 1 1 1 2 3 4 5 6 7 8 9 .
3 9 14 20 21 6 51 1 61 3 81 8 10 19 15 1 17 7 41 2 21 22 23 24 BOSS 18VS 5VSL 12VS 5VS 18VS -15VS +15VS +15VS 5VSL -15VS 12VS 3.3V 3.3V 3.3V 3.3V 5VSL 18V 18V 3.
39 1 4 2 0 21 6 51 1 61 3 81 8 10 19 15 1 17 7 41 2 21 22 23 24 3 9 14 2 5 11 6 13 8 10 1 74 12 BOSS 3 9 14 2 16 5 11 6 13 8 10 15 1 7 4 12 3 9 14 20 21 6 51 1 61 3 81 8 10 19 15 1 17 7 41 2 L9J04 68MH 9X9.
R8E11 R8E12 R8E13 R8E14 R8E16 R8E15 R8E02 R8E03 R8E04 R8E05 R8E10 TX25-80P-LT-H1 J8F01 IC9H01 BA18BC0FP PG 9.....MICRO4 [HDMI] PG 11....DEMOD PG 10....TERMINAL PG 7.....MICRO2 [AUD-PIC] PG 6.....MICRO1 [VID-SW] PG 2.....POWER PG 1.....BLOCK PG 12....RISER1 PG 8.
R8G31 IC8G02 24LC256T-I/SN IC8G05 M62368GP#CF0J Do LD CLK DI Ao1 Ao2 NC GND VSS NC Ao3 Ao4 Ao5 Ao6 VDD Vcc IC8G07 SN74LVC2G125DCUR IC8G08 SN74LVC2G125DCUR IC8G06 SN74LVC1G17-DCKR IC8G09 R8G06 R8G30 R8.
GND GND BOSS LAMP-R LAMP-G STAT-R STAT-G PWR-GOOD RS232-EN MAN-RST ASIC-BANK LAMP-R1 LAMP-G1 STATUS-R STATUS-G MTU-L STU-L AVR-L DM-L ENC-L MN-L SUB-Y SUB-Pb SUB-Pr SUB-H SUB-V DM-R PIC-TXD PIC-RXD PIC-RTS PIC-CTS R-SPKR(+) LED MAN-RST KSC0 KSC1 STAT-R STAT-G LED LAMP-R LAMP-G DM-RESET FMT-PGOOD RS232-EN LAMP-PROTECT PWR-ON IR-IN MT-MONA 3.
20(A) -20(A) -A15V A15V PWR-ON A-GND -20(P) 20(P) IR-IN RSP-AMP LSP-AMP PIC-CTS PIC-RXD SPKR-SHORT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 VSS 4A 4B 3A 3B 4Y 2A 2B 3Y 1A VCC 1B .
GND GND 1U C2K23 10V/6.3V 1U C2K26 10V/6.3V 1U C2K37 10V/6.3V 1U C2K30 10V/6.3V 1U C2K32 10V/6.3V 1U C2K27 10V 1U C2K41 10V 1U C2K42 10V 1U C2K43 10V/6.3V 1U C2K02 10V/6.3V 1U C2K03 10V/6.3V 1U C2K04 10V/6.3V 1U C2K38 10V/6.3V 1U C2K34 10V/6.3V 1U C2K35 10V/6.
3 92 5 6 8 10 1 74 TP5V0 TPWPC0 TPWPS0 TPWPS1 VCCTP TPWPC1 TP5V1 FD HMRST HDMI-RIN HDMI-GIN HDMI-BIN GND DDC1DA DDC1CL DDC0CL DDC0DA 3.3VSDA 3.3VSCL DSCL0 DSDA0 DSDA1 DSCL1 R0XC- R0XC+ R0XC+A R0XC-A R.
58K 58K BIAS 58K 58K BIAS GND GND TS T 1 B S T S T1 B S R2J22 75 1/16W R2J16 75 1/16W R2J23 75 1/16W R2J21 75 1/16W R2J18 75 1/16W R2J17 75 1/16W 75 R2J34 75 R2J39 75 R2J40 120K 1/16W R2J37 120K 1/16W.
IC1501 UPC3221GV IC1506 MIC49150BR IC1507 LD29150DT18R MA MB PG 19.....DM10 [DMADC] PG 18.....DM9 [MPEG ENCODER] PG 21.....TERMINAL PG 14.... E2P / FRONT / CONTROL / PREAMP PG 3.....INTERFACE PG 5.....FMT [MICRO] PG 15.....DM6 [DMROM/AV] PG 24....RISER2 PG 25.
GND GND GND GND 3 9 14 20 2 16 5 11 6 13 8 18 10 19 15 1 17 7 4 12 21 22 23 24 3 9 14 2 5 11 6 13 8 10 1 74 12 GOS-CTS GOS-RTS IR-IN RMC MAN-RST KSC1 KSC0 STAT-G STAT-R LAMP-G LAMP-R LED RELAY STBY-SH.
1.3V CTS 1 P95/ANEX0/CLK4 2 P94/DA1/TB4IN 3 P93/DA0/TB3IN 4 P92/TB2IN/SOUT3 5 P91/TB1IN/SIN3 6 P90/TB0IN/CLK3 7 BYTE 8 CNVSS 9 P87/XCIN 10 P86/XCOUT 11 RESET 12 XOUT 13 VSS 14 XIN 15 VCC 16 P85/NMI 17.
BOSS BOSS BOSS BOSS 1/16W R7L27 F-2.2K 50V C7K28 10U Z-0.1 C80E2 25V/16V 1/16W R7L32 F-56K Z-.1 C80E3 25V/16V GND 12K 1/16W R7K25 16V C7K01 47U 1/16W R7K32 4.7K GND GND Z-.1 C80E1 25V/16V 2.7K 1/16W R7K34 GND 1/16W R7L28 F-3.3K 3.3K 1/16W R7K02 K-0.1 C7K25 16V GND N1 1 N7 7 N5 5 N6 6 N2 2 N4 4 N3 3 N8 8 GND 12K 1/16W R7K23 GND 1/16W R7K29 1.
An important point after buying a device Mitsubishi Electronics WD-62528 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Mitsubishi Electronics WD-62528 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Mitsubishi Electronics WD-62528 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Mitsubishi Electronics WD-62528 you will learn all the available features of the product, as well as information on its operation. The information that you get Mitsubishi Electronics WD-62528 will certainly help you make a decision on the purchase.
If you already are a holder of Mitsubishi Electronics WD-62528, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Mitsubishi Electronics WD-62528.
However, one of the most important roles played by the user manual is to help in solving problems with Mitsubishi Electronics WD-62528. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Mitsubishi Electronics WD-62528 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
