DOWNLOAD Sharp LL-T2010W (serv.man15) Service Manual ↓ Size: 47.05 KB | Pages: 6 in PDF or view online for FREE

Model
LL-T2010W (serv.man15)
Pages
6
Size
47.05 KB
Type
PDF
Document
Service Manual
Brand
Device
Monitor / Troubleshooting
File
ll-t2010w-sm15.pdf
Date
PREV: Sharp LL-T2010W (serv.man14) Service Manual

Sharp LL-T2010W (serv.man15) Service Manual ▷ View online

LL-T2010W
TROUBLE SHOOTING
4 – 5
(No)
Are the adjustment contents saved after 
completion of the display adjustment?
Check the IC13, and IC15 peripheral 
circuits. 
(Yes)
(No)
Can inputs be switched normally?
(Yes)
There is no abnormality.
Check the IC1, IC2, IC3, and IC4 
peripheral circuits. 
Continued from
4
(No)
Is the positive side (no connection of part) 
of C145 at H level (DC+5V)?
Check the RESET circuit in the 
peripheral of IC16. 
(Yes)
(No)
Is the output of Q7 (connected with R161) 
at L level (DC+0V)?
(Yes)
Check the Q7 peripheral circuits. 
(No)
Are IC15 44PIN and 33PIN at DC+5V?
(Yes)
Check the abnormal line. 
(No)
Are the waveforms of RN30, R169, and 
R171 outputted?
Check IC8.
(Yes)
Check RN30, R169, R171 (IC5 and IC8 
control line).
5
(No)
Is the display normal with analog inputs?
First, check with analog inputs. 
(Yes)
(No)
Is DC+5V applied to CN2-14PIN?
(Yes)
Check CN2 and the signal source. 
(Yes)
Are the signal levels of CN2-1PIN, 2PIN, 
9PIN, 10PIN, 17PIN, 18PIN 23PIN, and 
24PIN changed?
(No)
IC8 abnormality
(No)
When resolution is changed, are the 
waveforms of IC7-1PIN and 2PIN 
changed normally?
Check IC7 and IC8.
(Yes)
Check the IC7 peripheral circuits. 
PC display does not work. (Digital DVI)
LL-T2010W
TROUBLE SHOOTING
4 – 6
(No)
Is the unit connected to the analog input 
CN1?
Connect the firmware upgrade jig to the 
analog input CN1. 
(Yes)
(No)
Is a jig connected to CN3?
Connect the jig to CN3. 
(Yes)
(No)
Are CN3-1PIN, 2PIN, and 3PIN at the 
same potential?
Check CN3 and the jig connected to 
CN3. 
(Yes)
(No)
Are CN3-1PIN, 2PIN, and 3PIN at 
DC+12V?
Check R173 and the 12V line from the 
DCJACK PWB.
(Yes)
(No)
Is the output of Q18 at L (DC0V)?
Check the Q18 peripheral circuits. 
(Yes)
(No)
Is WRPG_SEL at DC+5V?
Check the R179~R181 peripheral 
circuits. 
(Yes)
(No)
Are IC6-1PIN and 13PIN changed 
properly?
(Yes)
Check IC15-31PIN, 32PIN, 33PIN, 35PIN, 
and 44PIN. (IF there is no abnormality, 
IC15 is defective.)
Check the IC6 peripheral circuits. 
Firmware upgrade cannot be made. 
LL-T2010W
TROUBLE SHOOTING
4 – 6
(No)
Is the unit connected to the analog input 
CN1?
Connect the firmware upgrade jig to the 
analog input CN1. 
(Yes)
(No)
Is a jig connected to CN3?
Connect the jig to CN3. 
(Yes)
(No)
Are CN3-1PIN, 2PIN, and 3PIN at the 
same potential?
Check CN3 and the jig connected to 
CN3. 
(Yes)
(No)
Are CN3-1PIN, 2PIN, and 3PIN at 
DC+12V?
Check R173 and the 12V line from the 
DCJACK PWB.
(Yes)
(No)
Is the output of Q18 at L (DC0V)?
Check the Q18 peripheral circuits. 
(Yes)
(No)
Is WRPG_SEL at DC+5V?
Check the R179~R181 peripheral 
circuits. 
(Yes)
(No)
Are IC6-1PIN and 13PIN changed 
properly?
(Yes)
Check IC15-31PIN, 32PIN, 33PIN, 35PIN, 
and 44PIN. (IF there is no abnormality, 
IC15 is defective.)
Check the IC6 peripheral circuits. 
Firmware upgrade cannot be made. 
LL-T2010W
TROUBLE SHOOTING
4 – 6
(No)
Is the unit connected to the analog input 
CN1?
Connect the firmware upgrade jig to the 
analog input CN1. 
(Yes)
(No)
Is a jig connected to CN3?
Connect the jig to CN3. 
(Yes)
(No)
Are CN3-1PIN, 2PIN, and 3PIN at the 
same potential?
Check CN3 and the jig connected to 
CN3. 
(Yes)
(No)
Are CN3-1PIN, 2PIN, and 3PIN at 
DC+12V?
Check R173 and the 12V line from the 
DCJACK PWB.
(Yes)
(No)
Is the output of Q18 at L (DC0V)?
Check the Q18 peripheral circuits. 
(Yes)
(No)
Is WRPG_SEL at DC+5V?
Check the R179~R181 peripheral 
circuits. 
(Yes)
(No)
Are IC6-1PIN and 13PIN changed 
properly?
(Yes)
Check IC15-31PIN, 32PIN, 33PIN, 35PIN, 
and 44PIN. (IF there is no abnormality, 
IC15 is defective.)
Check the IC6 peripheral circuits. 
Firmware upgrade cannot be made. 
Page of 6
Display

Sharp LL-T2010W (serv.man15) Service Manual ▷ Download

Found More:

LL-T2010W (serv.man15) Service Manuals

Preview DownloadPagesSize
LL-T2010W (serv.man2) (1) Outline of product, nomenclature and function. Service Manual 4 92.72 KB
LL-T2010W (serv.man20) Complete Service Manual 35 1.36 MB
LL-T2010W (serv.man19) Parts layout Service Manual 3 225.99 KB
LL-T2010W (serv.man18) Circuit diagram Service Manual 9 250.63 KB
LL-T2010W (serv.man17) Block diagram Service Manual 1 16.71 KB
LL-T2010W (serv.man16) Wave form Service Manual 3 332.62 KB
LL-T2010W (serv.man14) Disassembly and assembly Service Manual 1 245.25 KB
LL-T2010W (serv.man13) Connection, adjustment, operation and functions Service Manual 7 257.13 KB
LL-T2010W (serv.man12) Outline of product, nomenclature and function Service Manual 4 92.72 KB
LL-T2010W (serv.man11) Contents Service Manual 1 17.68 KB
LL-T2010W (serv.man10) Service Manual 35 1.36 MB
LL-T2010W (serv.man9) (8) Parts layout. Service Manual 3 225.99 KB
LL-T2010W (serv.man8) (7) Circuit diagram. Service Manual 9 250.63 KB
LL-T2010W (serv.man7) (6) Block diagram. Service Manual 1 16.71 KB
LL-T2010W (serv.man6) (5) Wave form. Service Manual 3 332.62 KB
LL-T2010W (serv.man5) (4) Troubleshooting. Service Manual 6 47.05 KB
LL-T2010W (serv.man4) (3) Disassembly and assembly. Service Manual 1 245.25 KB
LL-T2010W (serv.man3) (2) Connection, adjustment, operation, and functions. Service Manual 7 257.13 KB
LL-T2010W Contents Service Manual 1 17.68 KB
LL-T2010W (serv.man23) User Manual / Operation Manual 30 738.05 KB
LL-T2010W (serv.man21) Service Manual / Parts Guide 10 315.93 KB
LL-T2010W (serv.man22) including exploded views Service Manual / Parts Guide 10 315.93 KB

RANDOM: