36
LC-13B6U-S
LC-15B6U-S
TROUBLE SHOOTING TABLE
(Continued)
No sounds or pictures come out.
Chec
k if the adjustment process men
u of the microcomputer is set proper
ly
.
The fluorescent lamp does not go on.
Are F3701 and F3702 nor
mal?
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
No
No
No
No
No
No
Ye
s
Ye
s
No
Are +35V
, +9V
, 5V
, -7V
and -12V of the
secondar
y-side output of
T701 nor
mal?
Are pins (14) of IC701-
IC704 nor
mal?
(1.35V
-2.05V)
Chec
k the load side
.
Are pins (138) of IC1201
at "H"?
Are Q6500-Q6505 free
from shor
t-circuit?
Chec
k Q6500-Q6505 and
their per
ipher
al par
ts
.
Is the oscillation w
a
v
e
fo
rm
of the pr
imar
y side of
T6500, T6502
nor
mal?
Replace and chec
k the
fluorescent lamp
.
Chec
k the per
ipher
al
par
ts of Q6500-Q6505
and the connecting cab
le
.
Are the pr
imar
y-side
per
ipher
al par
ts of
T701,
and SC701, Q716 free
from shor
t-circuit?
Is the load side free from
shor
t-circuit when F3701
and F3702 are
disconnected?
Replace F3701 and
F3702.
Is F6501, F6502 nor
mal?
Replace F6501, F6502.
Chec
k the line in question,
IC1201 and its per
ipher
al
par
ts
.
Chec
k SC701 and the
connecting cab
le
.
Chec
k the per
ipher
al
par
ts of J3701 and the
connecting cab
le
.
Summary of Contents for LC-13B6US
Page 46: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 46 LC 13B6U S LC 15B6U S OVERALL WIRING DIAGRAM ...
Page 47: ...47 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 49: ...49 6 5 4 3 2 1 A B C D E F G H LC 13B6U S LC 15B6U S SCHEMATIC DIAGRAM Ë OPERATION Unit ...
Page 50: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 50 LC 13B6U S LC 15B6U S ËMAIN Unit 1 8 LC 13B6U S ...
Page 51: ...51 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 52: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 52 LC 13B6U S LC 15B6U S ËMAIN Unit 1 8 LC 15B6U S ...
Page 53: ...53 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 54: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 54 LC 13B6U S LC 15B6U S ËMAIN Unit 2 8 ...
Page 55: ...55 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 56: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 56 LC 13B6U S LC 15B6U S ËMAIN Unit 3 8 ...
Page 57: ...57 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 58: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 58 LC 13B6U S LC 15B6U S ËMAIN Unit 4 8 ...
Page 59: ...59 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 60: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 60 LC 13B6U S LC 15B6U S ËMAIN Unit 5 8 ...
Page 61: ...61 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 62: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 62 LC 13B6U S LC 15B6U S ËMAIN Unit 6 8 ...
Page 63: ...63 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 64: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 64 LC 13B6U S LC 15B6U S ËMAIN Unit 7 8 ...
Page 65: ...65 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 66: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 66 LC 13B6U S LC 15B6U S ËMAIN Unit 8 8 ...
Page 67: ...67 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 68: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 68 LC 13B6U S LC 15B6U S ËANALOG Unit 1 3 ...
Page 69: ...69 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 70: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 70 LC 13B6U S LC 15B6U S ËANALOG Unit 2 3 ...
Page 71: ...71 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 72: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 72 LC 13B6U S LC 15B6U S ËANALOG Unit 3 3 ...
Page 73: ...73 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 74: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 74 LC 13B6U S LC 15B6U S ËINVERTER Unit ...
Page 75: ...75 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 76: ...76 6 5 4 3 2 1 A B C D E F G H LC 13B6U S LC 15B6U S ËR C LED Unit ...
Page 82: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 82 LC 13B6U S LC 15B6U S ANALOG Unit Side A ...
Page 83: ...83 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 86: ...86 6 5 4 3 2 1 A B C D E F G H LC 13B6U S LC 15B6U S INVERTER Unit Side A ...