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LC-26AD22U
Sharp LC-26AD22U User Manual
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TROUBLESHOOTING GUIDE
(LCD SECTION)
POWER DOES NOT TUNER ON
Is F401 broken?
Is there voltage at pin
1 of IC402 6V?
Is R412 broken?
Is there voltage at pin
10 of IC401 19V?
Change F401.
Check IC402 and peripheral
circuit.
Change DIGITAL PCB.
No
Yes
Change R412.
Check IC401 and peripheral
circuit.
No
No
No
Yes
Yes
Yes
E-1
29
31
Table of Contents
Table of Contents
1
Caution
2
Important Safeguards
3
When Replacing DVD Deck
6
Disc Removal Method at no Power Supply
7
Parental Control - Rating Level
7
ABOUT LEAD FREE SOLDER (Pbf)
8
General Specifications
9
Disassembly Instructions
16
Removal of DVD Deck Parts
18
Service Mode List
22
Servicing Fixtures and Tools
23
Re-Write for DVD Firmware
23
Re-Write for Digital Soft Firmware
24
When Replacing Eeprom (Memory) IC
25
Electrical Adjustments
26
Troubleshooting Guide
30
DVD Block Diagram
40
Power Block Diagram
41
D-1~D
54
G-1~G
56
H-1~H
67
Waveforms
68
Mechanical Exploded Views
70
DVD Deck Exploded View
73
Mechanical Replacement Parts List
74
DVD Deck Replacement Parts List
75
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Sharp LC-26AD22U Specifications
General
Brand
Sharp
Model
LC-26AD22U
Category
TV DVD Combo
Language
English
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