Mitsubishi Electric WD-52526 Service Manual Download

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BOSS

COLD

LIVE

5VSL

12VS

3.3V

5VS

SWITCH

FET

AC-OFF DETECT.

LAMP BALLAST POWER SUPPLY.

DOUBLER CIRCUIT.

AUDIO SUPPLY SWITCH

PAGE 02

WD-52526 V28L

WD-62526 V28L

CONTENTS

30Vp

2.5Vp

400Vp

2.5Vp

18VS

5VSL

12VS

5VS

18VS

-15VS

+15VS

5VSL

-15VS

12VS

3.3V

5VSL

18V

3.3V

18V

18VS

5VS

12VS

18V

18VF

12VS

+15VS

-15VS

18VF

18V

3.3V

+15VSA

-15VSA

+15VSA

-15VSA

STBY-SHORT

LAMP-RELAY

STBY

A-GND

STBY

STBY-SHORT

A-GND

AC-OFF

PON-SHORT

MAIN-RELAY

PON-SHORT

PWR-ON

18V-ON

LAMP-RELAY

ENG-PWR-ON

18V-ON

A-GND

STBY

ENG-PWR-ON

125V 5A

KFF

LVBP

PGD

SGND

6 SS

VFB

COMP

PGND

LDRV

DBP

HDRV

BOOST

VDD

ILIM

T9A10

SRW42EC-U15V117

VCC

OUT/IN2

IN/OUT2

CONT1

GND

IN/OUT1

OUT/IN1

CONT2

6.8MH-M
9X9.5

S/GND

SS/OLP

N/C

VCC

OCP/BD

125V 5A

REF

SOURCE1

GATE1

SOURCE2

GATE2

DRAIN2

DRAIN1

EMITTER

DRAIN

SOURCE

GATE

BASE

COLLECTOR

ELF22V025AL

VCC

OUT

GND

INV

STBY

VCC

OUT

GND

INV

STBY

1S2076A/
1S2471OM

EC21QS04-TE12L

1S2076A/
1S2471OM

1S2076A/1S2471OM

1S2076A/
1S2471OM

AC-OFF

10uF

C9A52

25V

L9A30

22MH 9X9.5

D9A47

UDZS5.6B

HOTGND

180K
1/16W

R9A49

100
1/16W

R9A65

1 2 3

0.01

C9A49

50V

0.1

C9D01

AC125V/250V

100K

1/16W

R9A42

0.1

C9A67

50V

0.27
2W

R9A21

HOTGND

220
1/4W

R9A51

10V

C9A66

680U

4.7M
1/2W

R9D00

0.01

C9A44

25V/50V

25V

C9A38

680U

1/2W

R9A09
220K

1/16W

R9A47

27K

25V

C9A35

470U

F9A03

125V 25A

2200

C9A08

AC250V

25V

C9A37

680U

1/16W

R9A41
3.3K

L9A10

22MH

2200

C9A01

AC250V

2SC3052-T112-1F

Q9A03

2SC3052-T112-1F

Q9A16

25V

C9A68

100U

220K
1/16W

R9A64

F9A04

16V

C9A71

470U

F9A09

25V

C9A53

680U

F9A08

220
1/4W

R9A54

22K
1/16W

R9A07

AG9D00

DSS-302M

1/16W

R9A27

27K

0.1

C9A41

50V

2SC3052-T112-1F

Q9A01

1/16W

R9A08
2.2K

1K
3W

R9A77

1/16W

R9A44
0

2SC3052-T112-1F

Q9A02

2SC3052-T112-1F

Q9A09

0.1

C9A54

50V

1/16W

R9A12
10K

1/2W

R9A03

1M (UL)

2SC3052-T112-1F

Q9A17

2SC3052-T112-1F

Q9A11

0.1

C9A61

50V

IC9A21

TPS40071PWPR

PC9A10

SFH6156-T1-E3

16V

C9A75

470U

1/16W

R9A43

100K

C9A42

16V

1/4W

R9A26
68

1000

C9A15

AC250V

35V

C9A39

2200U

220
1/4W

R9A55

HOTGND

10uF

C9A82

25V

0.1

C9D00

AC125V/250V

L9A20

1/2W

R9A11
220K

6.8

10W

R9A02

120

C9A59

50V

1/16W

R9A57
2.2

2200

C9A06

AC250V

0.1

C9A69

25V

2200

C9A10

AC250V

0.1

C9A50

25V

D9A39

UDZS5.6B

25V

C9A29

680U

F9A07

22K
1/16W

R9A38

L9A34

22MH 9X9.5

10V

C9A65

680U

L9A31

2.7MH

10K
1/16W

R9A92

1M (UL)

1/2W

R9A06

25V

C9A32

680U

D9A03

UDZS5.6B

D9A43

UDZS3.9B

2200

C9A05

AC250V

220
1/4W

R9A52

1/16W

R9A39
3.3K

16V

C9A79

470U

10uF

C9A64

6.3V

6.8

10W

R9A01

123

220
1/4W

R9A56

22K
1/16W

R9A40

0.1

C9A60

50V

F9A05

470

C9A46

500V

L9A19

6.8MH 9X9.5

470

C9A81

25V/50V

PC9A21

SFH6156-T1-E3

0.1

C9A83

50V

2200

C9A09

AC250V

L9A45

10MH

0.1

C9D03

AC125V/250V

22
1/10W

R9A79

200V

C9A26

1000U

D9A41

UDZS13B

470

C9A31

500V

1M (UL)

1/2W

R9A05

1K
1/16W

R9A23

1000

C9A16

AC250V

200V

C9A03

1000U

1K
3W

R9A76

HOTGND

2SC3052-T112-1F

Q9A08

1/16W

R9A83
160K

0.1

C9D02

AC125V/250V

0.015

C9A13

AC125V/250V

L9D00

HF3545-502Y5R0-T01BH

2200

C9A11

AC250V

35V

C9A40

2200U

200V

C9A02
1000U

1/16W

R9A59
2.2

1/16W

R9A58
2.2

0.27
2W

R9A22

1K
1/16W

R9A32

0.1

C9A24

25V

L9A38

22MH 9X9.5

0.015

C9A14

AC125V/250V

470

C9A47

500V

L9A32

2.7MH

0.01

C9A80

50V

470

C9A23

25V/50V

F9D00

S10A 125V

F9A01

100K
1/16W

R9A63

25V

C9A33

680U

47K
1/16W

R9A48

10uF

C9A34

25V

10K
1/16W

R9A84

12K

1/16W

R9A28

50V

C9A21

10U

30K

1/16W

R9A93

100
1/10W

R9A24

2200

C9A00

AC250V

200V

C9A27
1000U

25V

C9A70

100U

1/16W

R9A50
1K

L9A36

22MH 9X9.5

15K
1/16W

R9A10

1/16W

R9A60
2.2

L9A35

6.8MH 9X9.5

25V

C9A28

680U

25V

C9A36

680U

L9A21

22MH 9X9.5

K9A20
LKS1AF-12V

K9A21

LKS1AF-12V

K9A10

LKS1AF-12V

1/16W

R9A29
100

L9A37
GSRH127-221M

L9A33
GSRH127-7R6M

39K
1/16W

R9E02

0.1

C9E13

50V

2SA1235A-T112-1F

Q9E02

56K
1/16W

R9E06

56K
1/16W

R9E03

1/16W

R9E00
22K

33K
1/16W

R9E01

0.1

C9E12

50V

39K
1/16W

R9E05

82K
1/16W

R9E04

0.22

C9A43

50V

2.2K
1/16W

R9A33

4.7K
1/16W

R9A35

27K
1/16W

R9A34

220

1/16W

R9A31

C9A22

16V

1/16W

R9A45

0.47

C9A55

16V

1K
1/16W

R9A37

D9A21

UDZS6.8B

1000

C9A63

50V

F9A06

125V 3A

1/10W

R9A91
0

1/10W

R9A78
0

R9A19
100K

2.2
1/10W

R9A69

50V

C9A30

10V

C9A45

470U

1/16W

R9A67
2.2

1/16W

R9A70
2.2

270K
1/16W

R9A82

1/16W

R9A89

680

1/16W

R9A87

2.2K

1/16W

R9A88

13K

1UF

C9A62

V25

8200

C9A58

25V/50V

1/4W

R9A20
270

2SC3052-T112-1F

Q9E01

4700

C9A57

50V

1/16W

R9A86

220

C9A04

150U

450V

L9D06

UF2327S4-143Y0R7-01

L9D02

1500

C9A19

1KV

1500

C9A90

1KV

1500

C9A91

1KV

R9A14

100K

R9A13

100K

50V

C9A72

220U

25V

C9A74

470U

L9A39

GSRH127-101M

0.1

C9A73

25V

L9A43
10MH

L9A44

10MH

IC9A23

SI-8120JD

2SC3052-T112-1F

Q9A18

2SC3052-T112-1F

Q9A19

47K
1/16W

R9A94

50V

C9A76

220U

L9A40

10MH

47K
1/16W

R9A98

0.1

C9A77

25V

L9A41

GSRH127-101M

25V

C9A78

470U

L9A42

10MH

1/16W

R9A46
68

1.2K
1/10W

R9A90

IC9A24

SI-8033JD

1/2W

R9A25

6800

C9A25

50V

RT1N436C-T112-1

Q9A20

RT1N436C-T112-1

Q9A21

1UF

C9A18

V25

1UF

C9E11

V25

1UF

C9A17

V25

1UF

C9E10

V25

F9E11

FCC20252ADTP

F9E10

FCC20252ADTP

D9A25

1S2076A/1S2471OM

D9A04

D9A19

D9A48

D9A45

D9A38

EC21QS04-TE12L

D9A36

D9A42

D9A33

D9A35

D9A37

D9A18

MA732

D9A44

MA732

D9A46

EC21QS04-TE12L

D9A40

30PRA20-FC5

D9A32

D9A24

11EFS2N-TA2B5

D9A23

30PRA20-FC5

D9A31

D9A20

D9A02

D9A26

FCH20A10

D9A01

D6SB80

D9A00

D6SB80

HOT GND

PWP GND

7.6uH

<---- from to ---->

+/- 340VDC

COPPER PAD MAX.

WITH THERMAL VIA

LIVE

NEUTRAL

(1)

(3)

(2)

HOT GND connected to IC9A10 heatsink

TP18VS

ET9A01

ET9A02

(To Lamp Ballast)

(TO RAISER)

(To ENGINE)

(To INTERFACE)

IC9A22
NJM2374AM

IC9A10

RV9D01

PA2

RV9D00

IC9A20

RT9H301C

Q9E00
TPCP8402 (TE85LF,F)

Q9A12

Si7872DPT1E3

Q9A13

TPCP8J01(te85lf,f)

PG 7.....MICRO2 [AUD-PIC]

PG 10....TERMINAL

PG 13....E2P / FRONT / CONTROL / PREAMP

PG 5.....FMT [MICRO]

PG 6.....MICRO1 [VID-SW]

PG 11....DEMOD

PG 2.....POWER

PG 8.....MICRO3 [TV uP]

PG 9.....MICRO4 [HDMI]

PG 1.....BLOCK

PG 3.....INTERFACE

PG 4.....FMT [DVI]

PG 12....RISER1

STR-W6735

11EFS2N-TA2B5

Summary of Contents for WD-52526

Page 1: ...80 x 720 pixels Light Source 110W Channel Range Air VHF 2 13 UHF 14 69 Analog Cable 1 125 Digital Cable 1 135 Antenna Input RF 75Ω unbalanced Tuning 1 NTSC ATSC QAM Cabinet Dimensions WD 52526 34 H x 49 6 w x 17 8 D WD 62526 40 5 H x 58 3 W x 19 9 D Weight WD 52526 110 lbs WD 62526 133 lbs Speakers 8 Ohms 10W 2 5 x 2 inch Input Level VIDEO IN JACK RCAType 1 0Vp p 75W unbalanced AUDIO IN JACK RCATy...

Page 2: ......

Page 3: ...k 27 Service Adjustment Mode 28 ServiceAdjustment Mode Operation 28 Transferring data 29 Light Engine Adjustment 30 Test Signal activation 30 Preliminary 30 Trapezodial DistortionAdjustment 31 RotationAdjustment 31 Hortizontal Vertical Position 32 TROUBLESHOOTING 33 MICRO TERMINAL PWBs 33 POWER PWB 33 OPTICAL ENGINE 34 Protect Lines 35 USING LEAD FREE SOLDER 36 CHIP PARTS REPLACEMENT 37 REPLACEMEN...

Page 4: ...ion 51 Analog Video Signal Path 52 Digital Video Signal Path 53 Sound Signal Path 54 Command Input Circuitry 55 Serial Data Control Lines 55 Lamp Control Circuitry 56 Shutter Control 56 Lamp Engine and Fan s Protect circuitry 57 SCHEMATIC DIAGRAMS ...

Page 5: ...tter understanding of the circuitry PRODUCT SAFETY NOTICE Many electrical and mechanical parts in television receivers have special safety related characteristics These charac teristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage wattage etc Replacement parts which have special...

Page 6: ...meter to the AC plug and touch the other lead to each exposed metal part i e antennas handle bracket metal cabinet screw heads metal overlay control shafts etc particularly any exposed metal part that has a return path to the chassis The resistance of the exposed metal parts having a return path to the chassis should be a minimum of 1Meg Ohm Any resistance below this value indicates an abnormal co...

Page 7: ... a from the upper cabinet rear cover 3 screws on each side and 4 screws across the top 2 Remove screws b along the bottom of the SCREEN ASSY 8 screws on 52 inch models and 12 screws on 62 inch models 3 Unplug the LL connector to the front CONTROL PANEL 4 Lift the SCREEN ASSY up slightly and then pull away from the cabinet CABINET FRONT DISASSEMBLY ...

Page 8: ...WD 52526 WD 62526 BACK COVER Removal 1 Remove 9 screws a 2 Remove 13 screws b 3 Pull the COVER BACK from the cabinet CHASSIS REMOVAL Metal Support Plate Removal Remove 4 screws a to remove the metal support plate a ...

Page 9: ...MODEL WD 52526 WD 62526 Page 9 Chassis Mounting Screws Removal Remove the two chassis mounting screws b b b Release Cable Clamps Disconnect CE Connector Cable Clamp Cable Clamp Cable Clamp CE Connector ...

Page 10: ...ight 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 AC Cord ES1 Connector ...

Page 11: ...mpletely 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 FB FC and J8F01 at the PWB FORMAT right side of chassis PL KA J8F01 FB FC ...

Page 12: ...dicated unplug the required connectors in each disassembly step REMOVE Chassis Top Cover Fig 1 REMOVE PWB POWER Fig 3 REMOVE Assy PWB TERMINAL Fig 2 REMOVE Chassis Top Shield Fig 3 REMOVE Chassis Rear Shield Fig 4 REMOVE PWBs MICRO FMT RISER Figs 5 6 REMOVE PWB DM Fig 7 Chassis Sequence of Disassembly ...

Page 13: ...gure 2 1 Remove 7 screws a to remove the TERMINAL INLAY 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 2 Lift the Cover from the chassis Figure 2 ASSY PWB TERMINAL Removal ...

Page 14: ...al 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 2 Lift the Shield from the chassis ...

Page 15: ...l Chassis Rear Shield Removal Figure 4 1 Remove seven screws c 2 Remove nut c1 3 Pull off Chassis Rear Shield PWB MICRO Removal Referring to Figure 5 1 Remove three screws d 2 Unplug PWB MICRO from PWB RISER and remove from the chassis Figure 5 PWB MICRO Mounting Screws ...

Page 16: ... PWB DM Removal Figure 7 1 Remove three screws g holding the PWB MICRO Support Bracket 2 Remove the Support Bracket 3 Remove the five screws h 4 Remove the PWB DM from the chassis PWB RISER and PWB FORMAT Removal Referring to Figure 6 1 Remove one screw e 2 Unplug and remove PWBs RISER and FORMAT ...

Page 17: ...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 NOTE To replace the Lamp Bal last the Light Engine must removed from the cabinet but doesn t need be completely disassembled ...

Page 18: ... how to remove the Light Engine from the cabinet and those parts that are not included in a replacemant Engine 2 Remove fixing screws 1 2 to remove the SLIDE LOCK MATE 3a Loosen A 1 A 2 so that they do not touch A 3 4MM Allen wrench 3b Loosen lock nuts 1 and 2 8MM open end wrench 3c Turn A 3 CCW so the A 3 bolt clears the Engine Plate 5MM Allen wrench 1 Remove 3 screws a from Filter Cover Holder a...

Page 19: ...late and remove Fan Plate 6 Disconnect all connectors Light Engine Replacement 9 Remove 4 screws f from the Lamp Fan c c 4 Remove one screw b securing engine plate and base b 7 Remove DVI cable and 2 connectors 8 Remove wiring from three wiring clamps d d d d f f f f ...

Page 20: ...12 Disconnect all connectors from Interface PWB and remove 2 screws k from Bracket 10 Remove 4 screws g from Lamp Fan Bracket 13 Remove 4 screws n from Intake Cover 14 Remove four screws a b c and d to separate Light Engine from Engine plate Screw c g g g g h h k k n n n n c a b ...

Page 21: ...eaving the Lamp Duct fan Lamp Duct Intake and Ballast INSTALLATION 1 Reverse the above steps 2 Copy White Balance Data to PWB FMT refer to page 29 3 Refer to theAdjustment Section and perform Trapezodial Distortion Rotation and Position adjustments as necessary Screw d d ...

Page 22: ...mbly procedure 2 Remove the four screws a to remove the bottom of the SCREEN FRAME BOTTOM Figure 1 3 From the front of the screen assembly slide the BEZEL out the bottom of the Screen Frame Figure 2 4 From the rear of the screen assembly carefully slide the Lenticular Screen and Fresnel Lens combination from the Screen Frame Figure 3 Note When separating the Lenticular Screen from the Fresnel Lens...

Page 23: ...MODEL WD 52526 WD 62526 Page 23 Figure 2 BEZEL Removal Front View Figure 3 Lenticular Screen Fresnel Lens Removal Rear View ...

Page 24: ...n below Refer to the table below for the tape length 2 Sandwich the Fresnal Lens and Lenticular Screen together The Lenticular Screen label must be towards the front and the Fresnel Lens label towards the rear Figure 4 3 Apply pressure at the top edge to bond the screens together 4 Reverse the Screen Removal procedure and insert the screens in the Screen FameAssembly Figure 4 Installing the Fresne...

Page 25: ...ns On if Mute Listen To Analog Only Stereo Background Gray Level Sound On Digital Captions On if Mute Language Digital Only English Appearance Video Digital Settings Contrast 100 Font Font 3 Brightness 50 Size Large Sharpness 50 Color White Color 50 Background Black Tint 50 Opacity Translucent Color Temp High Backgroung Opacity Translucent Video Noise Standard Film Mode Auto On On Off Off DefinEdg...

Page 26: ...status or a possible malfunction POWER LED STATUS LED LAMP LED Power Status Condition Off Off Off Stby Off Green Off Off P 0N Power On Off Off Blinks Green After Turn Off Lamp Fan On for 1 minute Blinks Green Off Off Stby Booting after AC applied Slow Blinks Green Off Off Stby On Timer is set Normal LED Indications AV Reset Defaults A V Memory Ant 1 2 Input 1 2 3 Component 1 2 3 HDMI 1 2 TV Contra...

Page 27: ...flash three times 4 Error Codes The Error Code designations indicating malfunction or no malfunction are listed below POWER LED STATUS LED LAMP LED Power Status Condition Off Yellow Off Low Power Excess Temperature Off or On Off Yellow No change Usage time over 4000 Hrs Off Off Blinks Yellow Low Power Lamp Cover open Off Blinks Yellow Off Filter Cover Open Off Off Red Stby Lamp did not turn On Off...

Page 28: ...Adjustment mode use the REWIND and FAST FORWARD buttons on the remote control to toggle through the test patterns Thesepatterns are used for both electrical and mechanical adjustments 3 Adjustment Function Selection Use the AUDIO button to select a specific Adjustment Function AD9881 Sub fmt Functions SERVICE ADJUSTMENTS There are only 5 Service Adjustments required in these models Two Electrical ...

Page 29: ...uit adjustment mode is terminated without pressing ENTER changes in adjustment data are not saved 6 Terminating the circuit adjustment mode Press the MENU button on the remote hand unit twice to terminate the adjustment mode Note The adjustment mode can be also terminated by turning the power off Transferring Data 1 Enter the Service Adjustment Mode Press MENU 2 4 5 7 2 Press 0 when in the Service...

Page 30: ...Prelminary refer to the diagram below 1 Remove Back Board 2 Loosen Fixing Screws 1 and 2 in the Slide Lock Mate 3 Loosen Nuts 1 and 2 on the Adjuster 4 Loosen A 1 and A 2 on the Adjuster Red 4 overscan White 5 overscan Green 6 overscan Cyan 7 overscan Yellow 10 overscan Light Engine Rear View MODEL WD 52526 WD 62526 ...

Page 31: ... 2 so they clear A 3 2 For Distortion at the top of the picture rotate A 3 counter clockwise the picture will move upward 3 For distortion at the bottom of the picture rotate A 3 clockwise the picture will move upward Rotation Adjustment Clockwise Rotation Needed 1 Loosen A 2 2 Use A 1 to adjust rotation Counter Clockwise Rotation Needed 1 Loosen A 1 4 Use A 2 to adjust rotation MODEL WD 52526 WD ...

Page 32: ...activates the Service Mode 2 Press REWIND activates the Overscan Test Pattern 3 Select the FORMAT function AUDIO button 4 Select Item 1 HPOS VIDEO button 5 Use the ADJUST buttons to center the picture horizontally 6 Press ENTER to save the new setting 7 Select Item 2 VPOS VIDEO button 8 Use the ADJUST buttons to center the picture vertically 9 Press ENTER to save the new setting 10 Press MENU to e...

Page 33: ...o Vcc to IC7C81 No Picture IC2K02 03 04 Q2M00 01 02 No closed captioning Q2K07 08 09 30 31 32 Troubleshooting Guide POWER PWB TROUBLESHOOTING SYMPTOM CHECK POINT POSSIBLE CAUSE Check 15VS connector PD pin 1 Check Q9E00 circuit Check 15VS connector PD pin 7 Check Q9E00 circuit Check doubler circuit Check ballast circuit IC9A24 circuit Zener D9A43 Check 18V PA2 pin 8 Q9A13 circuit IC9A23 circuit Zen...

Page 34: ...e Engine is blanked Check control connections FC FC KC CN3100 FMT not providing video signal Check FMT Board Engine broken Replace engine and check No power to Shutter Check 18V from Power board atPB pin4 Check connections PB PB KD CN1 No control of shutter Check connections CN5 JG JG KD KD CN2 FMT does not control shutter Replace FMT and check Shutter broken Replace engine Fan not working Temp se...

Page 35: ...AN DETECT LINE LED Emergency Indicators code PBS LAMP MD BALST Device Menu JB JA JC JF Drive Drive Drive Drive 10 04 V 10 04 V 6 01 V 7 02 V Engaged Engaged Engaged Engaged Engaged Engaged Engaged OPEN 2 82 V 2 72 V 2 80 V Status 36 Turns OFF fast Engaged Engaged OPEN Engaged 2 62 V 2 52 V 2 60 V Red blinking 37 1 2 sec Engaged OPEN Engaged Engaged 2 23 V 2 13 V 2 20 V 42 OPEN Engaged Engaged Enga...

Page 36: ...xidation resulting in poor solder spread ability and wet ability The flux is more corrosive The time required for a good solder connection may take longer Poor wet ability can cause solder balls Higher temperatures can cause flux spattering Soldering iron tip life is shortened Dull finish solder joints not shiny can appear to be a cold solder joint In general a tip temperature of 700 F will usuall...

Page 37: ...hip parts 5 Avoid using a rubbing stroke when soldering 6 Take care not to scratch or damage the chip parts when soldering 7 Supplementary cementing is not required Chip Parts Removal Resistors Capacitors etc 1 Grasp the part with tweezers Melt the solder at both sides alternately and remove one side of the part with a twisting motion 2 Melt the solder at the other side and remove the part Chip Pa...

Page 38: ...d Warranty Parts Designation Critical Electrical Components are indicated by Bold Type in the Parts List and in the schematic diagrams by shading Warranty Return Parts are indicated in the Parts List with an Parts Tolerance Codes Refer to the following chart for tolerance characteristics of electrical components MARK B C D F G J K Tolerance 0 1 0 25 0 5 1 2 5 10 MARK M N V X Z P Q Tolerance 20 30 ...

Page 39: ...IDGE UNIT POWER LAMP BALLAST WD 52526 938P015010 915P028010 938P016010 WD 62526 938P015020 OPTICAL COMPONENTS MODEL MIRROR LENTICULAR SCREEN FRESNEL LENS BEZEL WD 52526 767D077030 491P176060 491P175030 761A252030 WD 62526 767D075040 491P176070 491P175040 761A253030 MIRROR SCREEN PARTS FAN WD 52526 WD 62526 CHASSIS FAN 299P288010 299P288010 LAMP FAN Above Lamp 299P288010 299P288010 PBS FAN On top o...

Page 40: ...S SN74LVC1G125DBV IC8006 270P880010 IC 24LC64I SN IC8008 276P214010 IC C MOS SN74LVC2G125DCUR IC8009 276P064010 IC C MOS SN74LVC1G125DBV IC80E1 275P657050 IC C MOS 24LC256T I SN IC80E2 271P150010 IC 24LC512T I SM IC80E3 270P880010 IC 24LC64I SN IC8101 271P033010 IC LP2996MRX IC8102 276P029030 IC C MOS NT5DS16M16CS 5T IC8103 276P029030 IC C MOS NT5DS16M16CS 5T IC8104 276P029030 IC C MOS NT5DS16M16C...

Page 41: ...D LN31GPH D7L22 264P584020 DIODE LE SML1216W C D D7L23 264P584020 DIODE LE SML1216W C D D8280 262P828010 D CHIP MC2838 T112 1 D8701 264P846010 D CHIP MA732 D8702 264P846010 D CHIP MA732 D8703 264P846010 D CHIP MA732 D8704 264P846010 D CHIP MA732 D8G05 262P830010 D CHIP MC2850 T111 1 D8G07 262P830010 D CHIP MC2850 T111 1 D8G08 262P830010 D CHIP MC2850 T111 1 D8G10 262P830010 D CHIP MC2850 T111 1 D8...

Page 42: ... 409P777080 EMI F CHIP BLM21P221S L2255 409P777080 EMI F CHIP BLM21P221S L2287 409P777080 EMI F CHIP BLM21P221S L2289 409P777080 EMI F CHIP BLM21P221S L2294 409P777080 EMI F CHIP BLM21P221S L2295 409P865020 EMI F CHIP BLM11A601S L2296 409P865020 EMI F CHIP BLM11A601S L2334 409P777080 EMI F CHIP BLM21P221S L2337 409P777080 EMI F CHIP BLM21P221S L2401 409P865020 EMI F CHIP BLM11A601S L2402 409P86502...

Page 43: ... F CHIP BLM18PG6 L8008 409P865080 EMI F CHIP BLM18PG6 L8009 409P777080 EMI F CHIP BLM21P221S L8011 409P865080 EMI F CHIP BLM18PG6 L8012 409P865080 EMI F CHIP BLM18PG6 L8013 409P865080 EMI F CHIP BLM18PG6 L8280 409P865080 EMI F CHIP BLM18PG6 L8306 409P865080 EMI F CHIP BLM18PG6 L8306 409P865080 EMI F CHIP BLM18PG6 L8307 409P865080 EMI F CHIP BLM18PG6 L8307 409P865080 EMI F CHIP BLM18PG6 L8308 409P8...

Page 44: ...1 409P945010 EMI F CHIP NFL21SP506X13CD LC8702 409P945010 EMI F CHIP NFL21SP506X13CD LC8703 409P944010 EMI F CHIP NFL21SP107X1 LC8704 409P944010 EMI F CHIP NFL21SP107X1 LC8705 409P944010 EMI F CHIP NFL21SP107X1 LC8706 409P944010 EMI F CHIP NFL21SP107X1 LC8707 409P945010 EMI F CHIP NFL21SP506X13CD LC8708 409P945010 EMI F CHIP NFL21SP506X13CD LC8709 409P945010 EMI F CHIP NFL21SP506X13CD LC8710 409P9...

Page 45: ... 1M K R9A06 109C010010 R COMP 1 2W 1M K R9A09 103P145030 R CARBON 1 2W 220K J R9A11 103P145030 R CARBON 1 2W 220K J R9A13 103C184090 R METAL 2W 100K J R9A14 103C184090 R METAL 2W 100K J R9A19 103C184090 R METAL 2W 100K J R9A20 103P331080 R CARBON 25 1 4W 270 J R9A21 103C187030 R METAL 2W 0 27 J R9A22 103C187030 R METAL 2W 0 27 J R9A25 103P142050 R CARBON 1 2W 1K J R9A26 109D151060 R CARBON 1 4W 68...

Page 46: ...0 C CER B500V 470P K C9A32 181P735020 C ELEC 25V 1000M M 105C C9A33 181P735020 C ELEC 25V 1000M M 105C C9A35 181P735010 C ELEC 25V 470M M C9A36 181P735020 C ELEC 25V 1000M M 105C C9A37 181P735020 C ELEC 25V 1000M M 105C C9A38 181P735020 C ELEC 25V 1000M M 105C C9A39 181P184070 C ELEC 35V 2200M M C9A40 181P184070 C ELEC 35V 2200M M C9A43 172P166070 C TF 50V 0 22M J C9A45 181P351070 C ELEC 10V 470M ...

Page 47: ...10A 125A F9E10 283P075090 FUSE CHIP FCC20252ADTP F9E11 283P075090 FUSE CHIP FCC20252ADTP F9G01 283P163050 FUSE WIRE CHIP 125V 6 3A F9G21 283P163050 FUSE WIRE CHIP 125V 6 3A F9G41 283P163050 FUSE WIRE CHIP 125V 6 3A J2001 452C410010 CONNECTOR HDMI J2101 452C410010 CONNECTOR HDMI J7T01 452C401010 CONNECTOR USB J7T02 452C401010 CONNECTOR USB J8301 440C393030 PIN JACK BOARD 1P K9A10 287P111030 RELAY P...

Page 48: ...CORNER LEFT 9 768C082020 SCREEN CAP CORNER RIGHT 10 761A252030 BEZEL 11 623D224010 SCREEN FRAME SPACER 12 704B238020 FRAME TRIM BTM RIGHT 13 704B238010 FRAME TRIM BTM LEFT WD 62526 096Z465080 TAPE LENS 1 491P175040 LENS FRESNEL 2 491P176070 SCREEN LENTICULAR 3 623D253010 SCREEN HOLDER 4 701B525010 SCREEN FRAME TOP 5 701B526040 SCREEN FRAME SIDE 6 761A242040 SCREEN FRAME BOTTOM 7 761A244040 SCREEN ...

Page 49: ...MODELS WD 52526 WD 62526 Page 49 Main Power Supply ...

Page 50: ...MODELS WD 52526 WD 62526 Page 50 Lamp Ballast DC Supply Fans Power Supply ...

Page 51: ...MODELS WD 52526 WD 62526 Page 51 Power Distribution ...

Page 52: ...MODELS WD 52526 WD 62526 Page 52 Analog Video Signal Path ...

Page 53: ...MODELS WD 52526 WD 62526 Page 53 Digital Video Signal Path ...

Page 54: ...MODELS WD 52526 WD 62526 Page 54 Sound Signal Path ...

Page 55: ...MODELS WD 52526 WD 62526 Page 55 Command Input Circuitry Serial Control Lines ...

Page 56: ...MODELS WD 52526 WD 62526 Page 56 Lamp Control Circuitry Shutter Control ...

Page 57: ...MODELS WD 52526 WD 62526 Page 57 Lamp Engine Fan Protect Circuitry ...

Page 58: ...MODELS WD 52526 WD 62526 Page 58 ...

Page 59: ... Y IN2 C MON VID CMP1 Pr GND CMP3 Pb CMP1 Y IN1 Y GND GND GND 9V T GND 5VSCL IN3 Y GND GND GND HDMI R GND CMP2 Pr DM R MT MONA GND CMP2 Pb GND IN3 C GND ENC L MT MONV DVI SW GND GND GND GND GND S1 CMP3 Y MTU R GND GND GND STU L GND GND AVR R GND GND GND IN1 C S3 5VSDA GND DM L GND 5V T GND MT AVR GND 5VS STU R CMP2 Y IN3 V S3 GND IN3 V GND IN3 Y GND IN3 C GND IN3 R GND IN3 L IN3 L IN3 C IN3 V GND ...

Page 60: ...1 25V 50V PC9A21 SFH6156 T1 E3 1 2 3 4 0 1 C9A83 50V 2200 C9A09 AC250V L9A45 10MH 0 1 C9D03 AC125V 250V 22 1 10W R9A79 200V C9A26 1000U D9A41 UDZS13B 470 C9A31 500V 10 4 5 6 7 8 9 1 2 3 1M UL 1 2W R9A05 1K 1 16W R9A23 1000 C9A16 AC250V 200V C9A03 1000U 1 3 5 1K 3W R9A76 HOTGND 2SC3052 T112 1F Q9A08 1 16W R9A83 160K 0 1 C9D02 AC125V 250V 0 015 C9A13 AC125V 250V L9D00 HF3545 502Y5R0 T01BH 1 2 3 4 22...

Page 61: ...12 13 14 2 3 4 5 6 7 8 1 4 5 6 7 8 1 2 3 2 3 4 5 6 7 8 9 10 1 11 2 3 4 1 1K 1 16W R9J15 22K 1 16W R9J83 EC21QS04 TE12L D9J09 EC21QS04 TE12L D9J08 EC21QS04 TE12L D9J07 DAN202U D9J02 DAN202U D9J03 DAN202U D9J01 DAN202U D9J11 DAN202U D9J13 D9J04 HZM27WA D9J05 HZM27WA D9J06 HZM27WA D9J10 HZM27WA D9J12 HZM27WA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 3 3...

Page 62: ...INGA4 D16 VINGB0 D15 VDDE D14 VDDE D13 VDDI D12 VDDI D11 VDDI D10 VDDI D9 VSS D8 VSS D7 VSS D6 GINR2 D5 VSS G7 VSS H7 VDDE J7 VDDE K7 VDDE L7 VDDE M7 VSS N7 VSS P7 VSS P8 VDDI P9 VDDI P10 VDDI P11 VDDI P12 VSS P13 VSS P14 VSS N14 VDDE M14 VDDE L14 VDDE K14 VDDE J14 VSS H14 VSS G14 VSS G13 VDDI G12 VDDI G11 VDDI G10 VDDI G9 VSS G8 VSS H8 VSS J8 VSS K8 VSS L8 VSS M8 VSS N8 VSS N9 VSS N10 VSS N11 VSS...

Page 63: ...V C9H07 M 100 6 3V C8E47 M 100 6 3V C8G45 M 47 16V C8G41 M 10 TP8G02 SOLDER SIDE DQ6 11 DQ30 54 DQ7 13 DQ31 56 DQ8 74 CKE 67 DQ9 76 CAS 18 CK 68 BA1 23 RAS 19 WE 17 CS 20 VDD1 1 BAO 22 VDD2 15 VDD3 29 VDD4 43 VSSQ1 6 VSSQ2 12 VSSQ3 32 VSSQ4 38 VSSQ5 46 VSSQ6 52 VSSQ7 78 VSSQ8 84 VSS1 44 VSS2 58 VSS3 72 VSS4 86 A10 24 NC1 14 A0 25 NC2 21 A1 26 NC3 30 A2 27 NC4 57 A3 60 A4 61 NC5 69 A5 62 NC6 70 A6 ...

Page 64: ... F Q2K06 MAIN Y 1 5K 1 16W R2K56 5 4 2 1 3 1 16W R2K65 100 GND 16V C2K12 47 1 16W R2M23 1K 1U C2K20 10V 6 3V 1U C2K58 10V 6 3V GND L2K01 HDMI RA 1 16W R2M08 100 1U C2K42 10V 1 16W R2K18 100 1 16W R2K14 39 16V C2K39 47 L2K14 10MH 470 1 16W R2K07 15K 1 16W R2M03 100 C2M07 50V 1 16W R2K37 100 GND MAIN V 1U C2K72 10V 6 3V 2SC3052 T112 1E F Q2K33 0 1 C2K16 16V 1 16W R2K19 4 7K 2SC3052 T112 Q2K09 0 47 C...

Page 65: ... 10K 1 16W R3E35 L3E26 33uH L3E25 33uH 0 1 C3E56 50V 0 1 C3E55 50V 0 1 C3E40 50V 0 015 C3E36 50V 0 015 C3E30 50V 0 1 16W R3E55 0 1 16W R3E54 GND GND AVR R AVR L 63V C3E50 22U 560 C3E37 50V 560 C3E38 50V 560 C3E27 50V 560 C3E33 50V L3E52 L3E51 0 1 C3E06 50V A15V 0 1 C3E04 50V 0 1 C3E39 50V 0 1 C3E11 50V 0 1 C3E01 50V 0 1 C3E08 50V 0 1 C3E13 50V 0 1 C3E16 50V 16V C3E68 47 0 1 C3E18 50V 0 015 C3E09 5...

Page 66: ...3 2 MTU L 1 16W R7A56 100 2 2K 1 16W R7A14 100 1 16W R7A78 1 16W R7A03 100 0 01 C7A88 50V 22 C7A15 50V ENC R L7A99 201 OHM 100 1 16W R7A85 3 3VSCL MTU R 1 16W R7A20 100 TEST3 2125 1 16W R7C05 0 PIC RTS 0 1 C7A81 16V 1 16W R7A49 100 92 99 93 75 5 28 31 76 21 70 16 1 7 51 68 48 47 39 60 46 44 61 19 9 97 11 69 87 84 50 82 81 65 6 74 14 15 64 86 66 3 80 77 96 62 40 24 71 100 35 36 8 98 43 37 2 38 79 4...

Page 67: ...033 50V 1 16W R2033 0 1 16W R2034 0 D2021 UDZS5 1B D2121 UDZS5 1B 1 16W R2295 33 16V C2019 10 16V C2119 10 16V C2201 10 16V C2207 10 16V C2211 10 16V C2212 10 16V C2215 10 16V C2218 10 16V C2222 10 16V C2236 10 16V C2237 10 16V C2241 10 16V C2253 10 16V C2287 10 16V C2295 10 16V C2289 10 16V C9C71 100 16V C9C81 100 2SA1235A T112 1E F Q2000 2SA1235A T112 1E F Q2100 2SC3052 T112 1E F Q2101 2SC3052 T...

Page 68: ...17 Q2J09 2SA1235A T112 1E F Q2J08 10K 1 16W R2L09 10K 1 16W R2L39 10K 1 16W R2L40 Q2J10 Q2J11 10K 1 16W R2L19 1 16W R2L20 1K 1 16W R2L23 1K 1 16W R2L13 1K 1 16W R2L11 1K 1 8K 1 16W R2L41 1 8K 1 16W R2L42 2 7K 1 16W R3J11 2 7K 1 16W R3J12 0 1 16W R2J46 0 1 16W R2J47 0 1 16W R2J48 0 1 16W R2J45 0 1 16W R2J51 0 1 16W R2J52 0 1 16W R2J53 0 1 16W R2J54 R2J13 120K 1 16W R2J12 120K 1 16W R2J20 120K 1 16W...

Page 69: ...6W R1508 16V C15B1 M 10 16V C1515 M 10 16V C1553 M 10 16V C1550 M 10 16V C15A4 M 10 16V C1565 M 10 6 3V C15C3 M 100 AGND 16V C1560 M 10 16V C15A5 M 10 16V C1559 M 47 16V C1538 M 47 25V C1554 M 100 L1502 0 68MH L1503 2 2MH L1522 221 OHM 16V C15C0 10 0 1 C15C1 16V 0 01 C15C2 25V 50V AGND AGND AGND TP1 4V C1548 220 X1501 25 140000MHz 10uF C1542 6 3V 2SC3356 A T1B R25 Q1503 2SC3356 A T1B Q1502 2SC3356...

Page 70: ...02 0 1 16W R2C06 1 16W R2C07 100 220 1 16W R2C02 1 16W R2C04 100 0 1 C2C02 16V L2C03 1 16W R2C11 100 L2C04 0 1 C2C01 16V 0 1 16W R2C10 4 12 11 10 9 1 8 7 6 5 13 14 15 2 17 3 18 16 19 20 0 1 C2C03 16V 0 01 C2C08 25V 50V 1 16W R2C03 100 1U C2C05 10V 16V 1U C2C04 10V 16V 2 3 4 5 1 6 1 2 3 4 DGND 1 2 3 4 5 DGND DGND DGND 6 7 1 2 3 4 5 DGND DGND 1 3 4 2 5 1 3 4 2 5 L7T06 221 OHM 0 01 C7T08 50V 15K 1 16...

Page 71: ...NIT AN PJ2J11 LAMP DEVICE STATUS MAN RESET ADJ DOWN MENU ADJ UP ADJ LEFT CANCEL GUIDE ENTER POWER TIMER VOL UP POWER FORMAT ADJ RIGHT VOL DOWN CH UP CH DOWN FRNT R FRNT L FRNT V LED MANRST KSC1 KSC0 GND GND GND GND GND GND GND STATUS R LAMP G LAMP R RMC FRNT S FRNT Y FRNT C STATUS G VCC SCL SDA WC VSS E0 E1 E2 VCC A1 SCL A2 SDA VSS WP A0 VCC SCL SDA WP VSS A0 A1 A2 S11B PASK 2 11 S11B PASK 2 11 5V...

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