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3-2-4. NO Power (DC/DC converter check)
42
TROUBLE SHOOTING
KDL-50W800C, 805C, 807C, 809C/KDL-55W800C, 805C
f) 1.8V DDCON check
Check EN signal
IC9025 #pin4
Is voltage >2.5V?
Refer No Power U-Com Failure
Change F9017
No
No
Yes
Yes
Change IC9025
START
Check fuse
F9017
Is fuse OK?
Check input
F9017
voltage
Is voltage >12.0V?
Yes
G*Board/LD-Board
No
Check EN signal
Q9001 #pin1
Is voltage >2.5V?
Refer No Power U-Com Failure
No
Yes
Change Q9002
START
g) 3.3V_MAIN check
Size
B* Board
G* Board
H* Board
50”
BMX
Not applicable
HSC3
55”
BMX
Not applicable
HSC3
Содержание GN1G
Страница 2: ...SERVICE MANUAL LCD TV GN1G CHASSIS Segment XM A 9 888 172 A2 ...
Страница 81: ...81 DIAGRAMS KDL 50W800C 805C 807C 809C KDL 55W800C 805C Smart Core Assy 2 Insert Connector Tape 1 ...
Страница 82: ...82 DIAGRAMS KDL 50W800C 805C 807C 809C KDL 55W800C 805C Tape Tape Tape Tape ...
Страница 86: ...KDL 50W800C 805C 807C 809C KDL 55W800C 805C 86 Connector Assy 30P Insert Connector BMX BOARD LD BOARD DIAGRAMS ...
Страница 88: ...KDL 50W800C 805C 807C 809C KDL 55W800C 805C 88 SWITCH UNIT Insert Connector BT ANTENNA DIAGRAMS ...
Страница 89: ...KDL 50W800C 805C 807C 809C KDL 55W800C 805C 89 SMART CORE Insert Connector 1 2 3 DIAGRAMS ...
Страница 90: ...KDL 50W800C 805C 807C 809C KDL 55W800C 805C 90 TAPE DIAGRAMS Tape ...
Страница 91: ...KDL 50W800C 805C 807C 809C KDL 55W800C 805C 91 TAPE 2 Tape Tape Tape Tape DIAGRAMS ...
Страница 92: ...KDL 50W800C 805C 807C 809C KDL 55W800C 805C 92 Tape Tape Tape Tape DIAGRAMS ...