LC-20S4U-S
31
TROUBLE SHOOTING TABLE
(Continued)
Yes
Yes
No
No
No
No
Yes
No TV Color
Is the input at pin (31) of IC801 as
specified?
Check the output of IC801 and its
peripheral circuits.
Is the input at pin (16) of IC3406
as specified?
Is the output at pin (88) of IC7001
as specified?
Check IC7001 and its peripheral
circuits.
Check the line between pin (88) of
IC7001 and pin (31) of IC801.
Make sure the microprocessor's adjustment process menu settings are as specified.
No Video Color
No S Video Color
No Component Color
No Color
Check the line between pin (4) of
J3401 and pin (16) of IC3406.
Check the line between pin (6) of
J3401 and pin (24) of IC2001 as
well as the line between pin (49) of
IC2001 and pin (2) of IC3406.
Are the Inputs at pins (21) and (33) of
IC801 as specified?
Check the Cb and Cr lines of
SC2001 and its peripheral circuits.
Summary of Contents for LC-20S4U-S - 20" LCD TV
Page 39: ...39 6 5 4 3 2 1 A B C D E F G H LC 20S4U S SCHEMATIC DIAGRAM Ë OPERATION Unit ...
Page 40: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 40 ËMAIN Unit 1 5 ...
Page 41: ...LC 20S4U S 41 17 16 19 18 15 14 13 12 11 10 ...
Page 42: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 42 ËMAIN Unit 2 5 ...
Page 43: ...LC 20S4U S 43 17 16 19 18 15 14 13 12 11 10 ...
Page 44: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 44 ËMAIN Unit 3 5 ...
Page 45: ...LC 20S4U S 45 17 16 19 18 15 14 13 12 11 10 ...
Page 46: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 46 ËMAIN Unit 4 5 ...
Page 47: ...LC 20S4U S 47 17 16 19 18 15 14 13 12 11 10 ...
Page 48: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 48 ËMAIN Unit 5 5 ...
Page 49: ...LC 20S4U S 49 17 16 19 18 15 14 13 12 11 10 ...
Page 50: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 50 ËANALOG Unit 1 4 ...
Page 51: ...LC 20S4U S 51 17 16 19 18 15 14 13 12 11 10 ...
Page 52: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 52 ËANALOG Unit 2 4 ...
Page 53: ...LC 20S4U S 53 17 16 19 18 15 14 13 12 11 10 ...
Page 54: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 54 ËANALOG Unit 3 4 ...
Page 55: ...LC 20S4U S 55 17 16 19 18 15 14 13 12 11 10 ...
Page 56: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 56 ËANALOG Unit 4 4 ...
Page 57: ...LC 20S4U S 57 17 16 19 18 15 14 13 12 11 10 ...
Page 58: ...58 6 5 4 3 2 1 A B C D E F G H LC 20S4U S ËR C LED Unit ...
Page 60: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 60 MAIN Unit Side A ...
Page 61: ...LC 20S4U S 61 17 16 19 18 15 14 13 12 11 10 ...
Page 64: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 64 MAIN Unit Side B ...
Page 65: ...LC 20S4U S 65 17 16 19 18 15 14 13 12 11 10 ...
Page 68: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 68 ANALOG Unit Side A ...
Page 69: ...LC 20S4U S 69 17 16 19 18 15 14 13 12 11 10 ...
Page 83: ...83 LC 20S4U S PACKING OF THE SET S1 S7 S5 S5 S5 S4 S5 S2 S3 X1 X2 X3 X4 X5 X6 X7 S6 ...