LC-20SH4U
35
TROUBLE SHOOTING TABLE
(Continued)
No color
No
No
No color on
TV
Is the input at pin (31) of
IC1004 as specified?
Chec
k the output of IC1004
and its per
ipher
al circuits
.
Is the input at pin (31) of
IC1004 as specified?
Chec
k pin (15) of SC2002.
No
Are the inputs at pins (21)
and (33) of IC1004 as
specified?
Chec
k the CB and CR lines
of SC2001 and their
per
ipher
al circuits
.
Chec
k the microprocessor's adjustment process men
u f
or wrong settings
.
No color on
Video
No color on S
Video
No color on Component
Summary of Contents for LC 13SH4U
Page 40: ...LC 20SH4U 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 40 OVERALL WIRING DIAGRAM ...
Page 41: ...LC 20SH4U 41 17 16 19 18 15 14 13 12 11 10 ...
Page 43: ...LC 20SH4U 43 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM Ë INVERTER Unit ...
Page 44: ...LC 20SH4U 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 44 ËMAIN Unit 1 4 ...
Page 45: ...LC 20SH4U 45 17 16 19 18 15 14 13 12 11 10 ...
Page 46: ...LC 20SH4U 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 46 ËMAIN Unit 2 4 ...
Page 47: ...LC 20SH4U 47 17 16 19 18 15 14 13 12 11 10 ...
Page 48: ...LC 20SH4U 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 48 ËMAIN Unit 3 4 ...
Page 49: ...LC 20SH4U 49 17 16 19 18 15 14 13 12 11 10 ...
Page 50: ...LC 20SH4U 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 50 ËMAIN Unit 4 4 ...
Page 51: ...LC 20SH4U 51 17 16 19 18 15 14 13 12 11 10 ...
Page 52: ...LC 20SH4U 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 52 ËSUB Unit 1 4 ...
Page 53: ...LC 20SH4U 53 17 16 19 18 15 14 13 12 11 10 ...
Page 54: ...LC 20SH4U 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 54 ËSUB Unit 2 4 ...
Page 55: ...LC 20SH4U 55 17 16 19 18 15 14 13 12 11 10 Note SUB 3 does not use it ...
Page 56: ...LC 20SH4U 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 56 ËSUB Unit 4 4 ...
Page 57: ...LC 20SH4U 57 17 16 19 18 15 14 13 12 11 10 ...
Page 58: ...LC 20SH4U 58 6 5 4 3 2 1 A B C D E F G H ËOPERATION Unit ...
Page 59: ...LC 20SH4U 59 6 5 4 3 2 1 A B C D E F G H Ë R C LED Unit ...
Page 68: ...LC 20SH4U 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 68 ...
Page 69: ...LC 20SH4U 69 17 16 19 18 15 14 13 12 11 10 SUB Unit Wiring Side ...
Page 70: ...LC 20SH4U 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 70 ...
Page 71: ...LC 20SH4U 71 17 16 19 18 15 14 13 12 11 10 SUB Unit Chip Parts Side ...
Page 73: ...LC 20SH4U 73 17 16 19 18 15 14 13 12 11 10 ...
Page 87: ...87 LC 20SH4U PACKING OF THE SET X2 X3 X4 X1 S2 S3 S3 S4 S3 S3 S5 S1 X5 ...