23
LC-20SH4U
SUPPLEMENT
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-20SH4U
Page 25: ...27 LC 20SH4U SUPPLEMENT 26 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H OVERALL WIRING DIAGRAM ...
Page 26: ...29 LC 20SH4U SUPPLEMENT 28 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 1 5 ...
Page 27: ...31 LC 20SH4U SUPPLEMENT 30 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 2 5 ...
Page 28: ...33 LC 20SH4U SUPPLEMENT 32 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 3 5 ...
Page 29: ...35 LC 20SH4U SUPPLEMENT 34 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 4 5 ...
Page 30: ...37 LC 20SH4U SUPPLEMENT 36 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 5 5 ...
Page 31: ...39 LC 20SH4U SUPPLEMENT 38 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 1 4 ...
Page 33: ...43 LC 20SH4U SUPPLEMENT 42 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 4 4 ...
Page 34: ...44 6 5 4 3 2 1 A B C D E F G H LC 20SH4U SUPPLEMENT ËR C LED Unit ...
Page 36: ...47 LC 20SH4U SUPPLEMENT 46 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side A ...
Page 38: ...51 LC 20SH4U SUPPLEMENT 50 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side B ...
Page 40: ...55 LC 20SH4U SUPPLEMENT 54 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SUB Unit Wiring Side ...
Page 53: ...69 LC 20SH4U SUPPLEMENT PACKING OF THE SET X3 X4 X5 X6 X2 X1 S2 S4 S3 S3 S5 S3 S3 S6 S1 X7 ...
