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SERVICE MANUAL
FILE NO. 333-200007
SUPPLEMENT
3LCD DATA PROJECTOR
TLP470EF, TLP470UF
TLP471EF, TLP471UF
TLP670EF, TLP670UF
TLP671EF, TLP671UF
-- SUMMARY --
This service manual covers only different portions from service manual (File No. 330-9904)
for TLP450E, TLP450U, TLP451E, TLP451U, TLP650E, TLP650U, TLP651E and
TLP651U.


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The following parts list covers only the different parts from the base models,
For the other parts, please refer to the service manual(File No, 330-9904) of the base models,
The base models of each model are shown below,
Base Model
TLP470EF
TLP450E
TLP471EF
TLP451E (with document imaging camera)
TLP470UF
TLP450U
TLP471UF
TLP451U (with document imaging camera)
TLP670EF
TLP650E
TLP671EF
TLP651E (with document imaging camera)
TLP670UF
TLP650U
TLP671UF
TLP651U (with document imaging camera)
Difference parts list(TLP47 series)
Location
No.
Part No.
(TLP470UF)
Part No.
(TLP471UF)
Part No.
(TLP470EF)
Part No.
(TLP471EF)
Description
E202G
23301364
23301364
23301364
23301364
LCD Panel P09SG210(G)
E201G
23301367
23301367
23301367
23301367
LCD Panel P09SG220(G)
E200
23430908
23430908
23430908
23430908
Optical Engine
E200M
23430915
23430915
23430915
23430915
Optical Main Frame
E200F
23430911
23430911
23430911
23430911
Optical Sub Frame
E200C
23588618
23588618
23588618
23588618
Cooling FAN
E201B
23430919
23430919
23430919
23430919
Polarizer(B)
E201G
23430918
23430918
23430918
23430918
Polarizer(G)
E201R
23430917
23430917
23430917
23430917
Polarizer(R)
E001
23007396
23007396
23007396
23007396
PC Board MAIN
U0021
23785554
23785554
23785554
23785554
PC Board RGB
U0022
23785555
23785555
23785555
23785555
PC Board INPUT
Q403
23314993
23314993
23314993
23314993
Transistor
P800
23122401
23122401
23122401
23122401
Power Unit
P850
23122400
23122400
23122400
23122400
Lamp Power Unit
Y201
23565206
23565206
23565207
23565207
Owner's Manual
E
Y202
23565208
23565208
Owner's Manual
F
Y200
23565205
23565205
23565205
23565205
Owner's Manual CD-ROM
Y210
23306332
23306332
23306332
23306332
Remote Control Unit
A302
23564984
23564983
23564992
23564991
Label Rating
E205S
23430793
23430793
23430793
23430793
Panel Holder
S-kit


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Difference parts list(TLP67 series)
Location
No.
Part No.
(TLP670UF)
Part No.
(TLP671UF)
Part No.
(TLP670EF)
Part No.
(TLP671EF)
Description
E202G
23301357
23301357
23301357
23301357
LCD Panel P09XG250(G)
E201G
23301360
23301360
23301360
23301360
LCD Panel P09XG260(G)
E200
23430907
23430907
23430907
23430907
Optical Engine
E200M
23430914
23430914
23430914
23430914
Optical Main Frame
E200F
23430911
23430911
23430911
23430911
Optical Sub Frame
E200C
23588618
23588618
23588618
23588618
Cooling FAN
E201B
23430919
23430919
23430919
23430919
Polarizer(B)
E201G
23430918
23430918
23430918
23430918
Polarizer(G)
E201R
23430917
23430917
23430917
23430917
Polarizer(R)
E001
23007396
23007396
23007396
23007396
PC Board MAIN
U0021
23785554
23785554
23785554
23785554
PC Board RGB
U0022
23785555
23785555
23785555
23785555
PC Board INPUT
Q403
23314993
23314993
23314993
23314993
Transistor
P800
23122401
23122401
23122401
23122401
Power Unit
P850
23122400
23122400
23122400
23122400
Lamp Power Unit
Y201
23565206
23565206
23565207
23565207
Owner's Manual
E
Y202
23565208
23565208
Owner's Manual
F
Y200
23565205
23565205
23565205
23565205
Owner's Manual CD-ROM
Y210
23306332
23306332
23306332
23306332
Remote Control Unit
A302
23564986
23564985
23564994
23564993
Label Rating
E205S
23430793
23430793
23430793
23430793
Panel Holder S-kit
TOSHIBA CORPORATION
1-1, SIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001,JAPAN


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3LCD DATA PROJECTOR
SERVICE MANUAL
TLP450E, TLP451E
TLP650E, TLP651E
TLP450U, TLP451U
TLP650U, TLP651U
FILE NO. 330-9904
PRINTED IN JAPAN, Oct., 1999 S
TLP451, TLP651


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SECTION 1
PART REPLACEMENT AND ADJUSTMENT PROCEDURES
SECTION 2
SERVICING DIAGRAMS
SECTION 3
PARTS LIST
1 . SAFETY PRECAUTION ...................................................... 3 - 1
2 . NOTICE ..................................................................................... 3 - 1
3 . ABBREVIATIONS .................................................................. 3 - 1
3-1. Integrated Circuit (IC) .................................................... 3-1
3-2. Capacitor (Cap) ................................................................ 3-1
3-3. Resistor (Res) ..................................................................... 3-1
3-11. Input PC Board ............................................................... 1-6
3-12. Lens .................................................................................... 1-6
3-13. Mirror Box ....................................................................... 1-6
3-14. LCD Block and LCD Panel ........................................... 1-7
3-15. CAM SW PC Board (Only for TLP451/651) ............ 1-9
3-16. Arm Assembly (Only for TLP451/651) ...................... 1-9
3-17. Switch (Only for TLP451/651) .................................. 1-10
3-18. Camera PC Board (Only for TLP451/651) ............. 1-10
3-19. Lamp PC Board (TLP451/651) .................................. 1-10
4 . ELECTRICAL ADJUSTMENT ....................................... 1-11
4-1. LCD Drive Adjustment .................................................. 1-12
5 . LED DISPLAY ...................................................................... 1-16
1 . PART CONFIGURATION AND THEIR SYMBOLS 2 - 1
1-1. Replacing Subminiature "CHIP" Parts ....................... 2-1
1-2. Precoutions for Part Replacement ................................ 2-2
1-3. Solid Resistor Indication .................................................. 2-2
1-4. Capacitance Indication .................................................... 2-2
1-5. Inductor Indication ........................................................... 2-3
1-6. Waveform and Voltage Measurement .......................... 2-3
2 . EACH SIGNAL FLOW ........................................................ 2 - 4
2-1. Operation at RGB Signal Input ..................................... 2-4
2-2. Video Signal ....................................................................... 2-4
2-3. Operation at Y/Pb/Pr Signal and HDTV Signal Input2-5
2-4. Camera Input Operation ................................................ 2-5
2-5. Camera Overlay Signal ................................................... 2-5
3 . BLOCK DIAGRAMS ............................................................ 2 - 7
3-1. RGB Block Diagram ........................................................ 2-7
3-2. Input Block Diagram ........................................................ 2-8
3-3. Main Block Diagram ........................................................ 2-9
3-4. Digital Block Diagram ................................................... 2-11
4 . PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ................................................. 2-12
5 . CIRCUIT DIAGRAMS ...................................................... 2-15
5-1. Drive Circuit Diagram (for TLP650, TLP651) ........ 2-15
5-2. Drive Circuit Diagram (for TLP450, TLP451) ........ 2-19
5-3. Main Circuit Diagram (for TLP650, TLP651) ......... 2-23
5-4. Main Circuit Diagram (for TLP450, TLP451) ......... 2-27
5-5. Micon Circuit Diagram ................................................. 2-31
5-6. RGB Circuit Diagram .................................................... 2-35
5-7. Input Circuit Diagram ................................................... 2-39
5-8. Power Supply Circuit Diagram .................................... 2-42
5-9. Camera Interface Circuit Diagram ............................ 2-45
5-10. ............................................ FAN Control Circuit Diagram
2-47
6 . PC BOARDS ......................................................................... 2-49
6-1. Input PC Board ............................................................... 2-49
6-2. CAM Switch PC Board .................................................. 2-50
6-3. Main PC Board ............................................................... 2-51
6-4. RGB PC Board ................................................................ 2-55
6-5. LED PC Board ................................................................ 2-55
6-6. Sub Digital PC Board .................................................... 2-56
1 . LOCATION OF MAIN PARTS ......................................... 1 - 1
2 . LOCATION OF PC BOARDS ........................................... 1 - 1
3 . REPLACEMENT OF MECHANICAL PARTS ............ 1 - 2
3-1. Camera Arm Assembly (Only for TLP451/651) ........ 1-2
3-2. Lamp Assembly ................................................................. 1-2
3-3. Front Cover and Top Cover .......................................... 1-3
3-4. Main PC Board ................................................................. 1-3
3-5. RGB PC Board .................................................................. 1-3
3-6. Handle and Fan Assembly ............................................... 1-4
3-7. Power Supply Unit ............................................................ 1-4
3-8. Filter Assembly .................................................................. 1-5
3-9. Lamp House ....................................................................... 1-5
3-10.Optical Engine .................................................................. 1-5
CONTENTS
SAFETY PRECAUTIONS .............................................................. I
IMPORTANT PRECAUTIONS .................................................... I
IMPORTANT SAFETY INSTRUCTIONS .............................. II
4 . EXPLODED VIEWS .............................................................. 3 - 2
4-1. Packing Assembly ............................................................. 3-2
4-2. Remote Control Unit ........................................................ 3-2
4-3. Chassis Assembly ............................................................... 3-3
4-4. Arm Assembly (TLP451, TLP651) ................................ 3-4
5 . PARTS LIST ............................................................................. 3 - 5