DOWNLOAD Sharp PG-M20X (serv.man10) Service Manual ↓ Size: 48.57 KB | Pages: 21 in PDF or view online for FREE

Model
PG-M20X (serv.man10)
Pages
21
Size
48.57 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Troubleshooting table
File
pg-m20x-sm10.pdf
Date
PREV: Sharp PG-M20X (serv.man9) Service Manual

Sharp PG-M20X (serv.man10) Service Manual ▷ View online

25
PG-M20X
TROUBLE SHOOTING TABLE
Yes
No
Checking of Basic Operation
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Yes
No
Does the video input operate 
normally?
Does the DVI input operate 
normally?
Do the component input/DVI input 
operate normally?
Does the RGB input operate 
normally?
Is the user menu displayed?
Does the cooling fan rotate and 
does the lamp light up?
Go to "Checking of Power Unit".
Go to "Checking of Sub-microcomputer 
and Its Periphery"
Go to "Checking of Lamp Lighting-up"
Check the formatter circuit and 
its periphery.
Check IC8013 (AD) and go to 
"Checking of RGB Input".
Is there input signal at pins 
(8), (17) and (23) of IC8013?
Check IC8015 and peripheral 
circuit.
Go to "Checking of Video 
Input". Is there input signal at 
the emitter of Q8002?
Check IC8015 and its 
peripheral circuit.
No
Check IC3851 and its 
peripheral circuit.
No
Check IC3502 and its 
peripheral circuit.
Does the POWER LED light up or 
flicker in red or green?
End
Does the set operate by the set's 
key or the remote controller's 
power key?
26
PG-M20X
Yes
No
Checking of Power Unit
Are connectors in the power unit 
completely inserted?
Yes
No
Is the lamp door closed 
completely?
Close the lamp door completely by 
screws.
Yes
No
Is the bimetal switch turned off?
Replace the bimetal switch, or rest 
it by pressing the red button.
Yes
No
Is AC voltage applied across relay 
RL7001?
Replace F701.
Yes
No
Is there DC voltage of about 6V at 
pin (1) of CN7002?
Check Q7501, Q7502 and Q7503 
and their peripheral circuits. If any 
circuit is damaged, replace it.
Yes
No
Is there DC voltage of about 370V 
across CN702?
Check the circuits connected to the 
primary side of T701. If any circuit 
is damaged, replace it.
Yes
No
Is there rated voltage at the output 
terminals of CN7001 and CN7102?
Check the circuits connected to the 
secondary side of T701. If any 
circuit is damaged, replace it.
Check the PWB circuits of relevant 
output sides.
Insert the connectors CN702, 
CN704, CN7003, CN7001, 
CN7004 and CN7101 completely.
27
PG-M20X
No
Lamp Does Not Light Up.
Yes
Is an appropriate voltage supplied 
to SC9002?
No
Is there the 180-Hz pulse signal at 
pin (1) of P9002?
Is any of SC9001, SC9002, P9002 
and P9003 connectors 
disconnected or in poor contact?
Yes
Insert the connectors completely.
No
Go to "Checking of Input PWB"
Go to "Checking of Input PWB"
Go to "Checking of PC I/F unit"
Yes
Go to "Checking of Lamp" and 
"Checking of Ballast"
Yes
Is the color wheel rotating?
No
Go to "Color Wheel Does Not 
Rotate."
Yes
Is the signal at pin (10) of IC9101 
at High level?
No
Are the signals at pins (69) and 
(70) at High level?
Yes
No
Yes
Is the signal at pin (9) of IC9101 
at High level?
No
Trouble with IC9003
Trouble with 1C9101 or its 
peripheral part.
Yes
Is there the 180-Hz pulse signal at 
pin (2) of P9003 when no input 
signal is given?
No
28
PG-M20X
Lamp does not light up.
Yes
Yes
Is the cooling fan rotating?
Check the socket
Check the power circuit.
No
Check the power circuit or the fan 
circuit on the key/input PWB.
Yes
Is the color wheel rotating sound 
heard?
No
Check IC3101, the motor driver 
circuit and their periphery. 
Check the waveform of SC3101.
No
Normal
Abnormal
Is the lamp discharging sound 
heard?
Yes
Yes
Is DC 34V voltage applied across 
the ballast power?
Check the ballast power.
No
Check IC9101 and its periphery 
on the formatter PWB.
No
Is voltage higher than 3.5V applied 
to pin (19) of P9002 on the 
formatter PWB? 
Yes
Replace the color 
wheel.
Check the 
formatter PWB.
No
Replace the lamp.
Page of 21
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Sharp PG-M20X (serv.man10) Service Manual ▷ Download

  • DOWNLOAD Sharp PG-M20X (serv.man10) Service Manual ↓ Size: 48.57 KB | Pages: 21 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp PG-M20X (serv.man10) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp PG-M20X (serv.man10) Projector. Information contained in Sharp PG-M20X (serv.man10) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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PG-M20X (serv.man10) Service Manuals

Preview DownloadPagesSize
PG-M20X (serv.man11) Chassis layout Service Manual 1 69.74 KB
PG-M20X (serv.man20) PWB assemblies Service Manual 5 5.1 MB
PG-M20X (serv.man19) Schematic diagram - PC IF Unit Service Manual 7 2.2 MB
PG-M20X (serv.man18) Schematic diagram - PFC Unit Service Manual 1 161.19 KB
PG-M20X (serv.man17) Schematic diagram - Power unit Service Manual 1 201.08 KB
PG-M20X (serv.man16) Schematic diagram - Key unit Service Manual 3 427.49 KB
PG-M20X (serv.man15) Schematic diagram - Input unit Service Manual 5 665.81 KB
PG-M20X (serv.man14) Schematic diagram - Formatter unit Service Manual 5 985.21 KB
PG-M20X (serv.man13) Description of schematic diagrams and waveforms Service Manual 2 164.59 KB
PG-M20X (serv.man12) Block diagram Service Manual 1 133.2 KB
PG-M20X (serv.man9) Electrical adjustment Service Manual 6 15.48 KB
PG-M20X (serv.man8) Resetting the total lamp timer Service Manual 3 37.77 KB
PG-M20X (serv.man7) Removing of major parts Service Manual 3 215.51 KB
PG-M20X (serv.man6) Dimensions Service Manual 1 110.61 KB
PG-M20X (serv.man5) Controls Service Manual 4 467.66 KB
PG-M20X (serv.man4) Notes on service safety Service Manual 5 45.93 KB
PG-M20X (serv.man3) Front cover Service Manual 1 73.87 KB
PG-M20X (serv.man24) Setup connection User Manual / Operation Manual 12 1.91 MB
PG-M20X (serv.man27) Appendix User Manual / Operation Manual 17 1.15 MB
PG-M20X (serv.man25) Basic operation User Manual / Operation Manual 18 1.41 MB
PG-M20X (serv.man26) Easy to use functions User Manual / Operation Manual 22 821.2 KB
PG-M20X (serv.man23) Cover, notes, introduction User Manual / Operation Manual 18 1.69 MB
PG-M20X (serv.man28) Complete User Manual / Operation Manual 87 6.85 MB
PG-M20X (serv.man22) Packing of the set Service Manual / Parts Guide 2 12.39 KB
PG-M20X (serv.man21) Parts list Service Manual / Parts Guide 18 299.2 KB
PG-M20X (serv.man2) Specifications Service Manual / Specification 1 8.2 KB
PG-M20X (serv.man29) Change of parts Input unit, PC I F unit Service Manual / Technical Bulletin 1 81.79 KB
PG-M20X (serv.man30) Change of parts (Ref No.Correction) Service Manual / Technical Bulletin 2 127.83 KB
PG-M20X (serv.man31) Change of parts Service Manual / Technical Bulletin 10 1.6 MB
PG-M20X (serv.man32) Upgrade for the improvement of performance and reliability. Service Manual / Technical Bulletin 9 1.59 MB
PG-M20X (serv.man33) Change of parts - Heat caution label. Service Manual / Technical Bulletin 1 6.95 KB
PG-M20X (serv.man34) Adding of parts (to improve LED lamp operation) Service Manual / Technical Bulletin 1 7.09 KB
PG-M20X (serv.man35) Intermittent shut down (colour wheel failure) Service Manual / Technical Bulletin 2 219.51 KB
PG-M20X (serv.man36) Intermittent start-up shut down (locks up) Service Manual / Technical Bulletin 34 2.08 MB
PG-M20X (serv.man37) Change of lamp case part Service Manual / Technical Bulletin 1 10.29 KB
PG-M20X Version 1.4 Handy Guide 42 696.94 KB

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