Service manual
Table Of Contents
- VIZIO GV47L FHDTV10A SERVICE MANUAL
- 01-FEATURES
- 02-SPECIFICATION
- 03-ON SCREEN DISPLAY
- 04-FACTORY PRESET TIMINGS
- 05-PIN ASSIGNMENT
- 06-MAIN BOARD I/O CONNECTIONS
- 07-THEORY OF CIRCUIT OPERATION
- 08-EAVEFORMS
- 09-TROUBLE SHOOTING
- 10-BLOCK DIAGRAM
- 11-SPARE PARTS LIST
- 12-COMPLETE PARTS LIST
- MAIN BOARD CIRCUIT DIAGRAM
- MAIN BOARD PCB LAYOUT
- ASSEMBLY EXPLOSION DRAWING
CONFIDENTIAL – DO NOT COPY
Page 9-2
File No. SG-0208
Yes
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N0
N0
Yes
Yes
Yes
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(TV, COMPOSITE VIDEO1, 2, S-VIDEO) IS NOT DISPLAY CORRECTLY
Start
Input signal good?
1.Check video
2.Check DVD player
U11 input correct?
1.Check P2&P12 signal
2.Check signal between P2 and
U11 (IF AV1/AV2 mode)
3.Check Tuner &U11 (IF TV mode)
4.Check P12 (IF S-Video)
5.Check U11 POWER +3.3V
6.Check Y1 is OK?
LVDS output correct?
1.Check signal between U20 and
U9
1.Chcak J5 Connect is good?
2.Is panel working ok?
END
U11 output correct?
1.Check LVDS LINE
2.Check U11 clock (27MHz)
3.Check U11 power