DOWNLOAD Sharp LC-20AD5E Service Manual ↓ Size: 4.28 MB | Pages: 86 in PDF or view online for FREE

Model
LC-20AD5E
Pages
86
Size
4.28 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
lc-20ad5e.pdf
Date
PREV: Sharp LC-20A2E (serv.man17) Service Manual / Technical Bulletin

Sharp LC-20AD5E Service Manual ▷ View online

TROUBLESHOOTING GUIDE
POWER DOES NOT TUNER ON
Is F501 broken?
Is there voltage at pin
10 of IC501 at 18.9V?
Is there voltage at pin
2 of IC503 at 5V?
Change F501.
Check IC501 and peripheral
circuit.
Change MAIN PCB.
No
Yes
Check IC503 and peripheral
circuit. Or change IC503.
No
No
Yes
Yes
E-1
TROUBLESHOOTING GUIDE
THE PICTURE DOES NOT
APPEAR (1)
Is there signal at
CP7201 ?
Change CP7201.
Check IC803.
Or change SCALER PCB.
Is CD7204 connected?
Connected CD7204.
No
No
Yes
Yes
E-2
TROUBLESHOOTING GUIDE
Is there signal at
IC4205 ?
Check IC803 and
peripheral circuit.
Check IC4205 and
peripheral circuit.
Yes
THE PICTURE DOES NOT
APPEAR (2)
No
E-3
TROUBLESHOOTING GUIDE
Change MAIN PCB.
Change DIGITAL TUNER
MODULE.
NO
THE PICTURE DOES NOT
APPEAR. (DIGITAL)
YES
Does an error
message display it?
E-4
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