DOWNLOAD Sharp TU-37GD1E (serv.man8) Service Manual ↓ Size: 249.36 KB | Pages: 19 in PDF or view online for FREE

Model
TU-37GD1E (serv.man8)
Pages
19
Size
249.36 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD / Trouble shooting table
File
tu-37gd1e-sm8.pdf
Date

Sharp TU-37GD1E (serv.man8) Service Manual ▷ View online

48
TU-32GD1E
TU-37GD1E
TROUBLE SHOOTING TABLE
 (Continued)
Is the power 3.3V input to Pin (3) of P5003?
Is the so
ck
et of P5
1
0
2
 inserte
d
?
YES
YES
YES
YES
YES
OK
Is the power 
1
.5V output to Pin (3) of 
IC
500
4
?
Is 
v
o
lt
ag
e of 
R
5
1
0
1
/5
1
0
2
 3.3V?
Is 
v
o
lt
ag
e of Pin (3) of 
S
500
1
 3.3V?
C
he
ck
 th
a
t so
ld
er of the I
C
5003 3
2
MB
 
fla
sh 
m
e
m
or
y
 is not wet.
R
ep
la
c
e the f
la
sh or re
-up
g
ra
d
v
ersion of 
the soft.
C
he
ck
 whi
c
h is the 
c
a
use
, the P
C
 P
W
B
 or 
M
a
in P
W
B
.
(D
is
c
onne
c
t P5
1
0
2
/5
1
03 
a
n
d
 c
he
ck
 
im
pe
d
a
n
c
e of 
G
n
d
-3.3V is 
a
b
out 
8
.9
k
)
R
einsert the so
ck
et.
T
he power 
R
e
g
 I
C
5003 
m
a
y
 b
d
a
m
ag
e
d
 
or I
C
500
1
/5
2
0
1
 m
a
y
 b
d
efe
c
ti
v
e.
(I
m
pe
d
a
n
c
e of 
G
n
d
-1
.5V is 
a
b
out 
7
00
)
T
he so
ld
er 
b
ri
d
g
a
t P5
1
0
2
 or 
d
efe
c
t of 
IC
500
1
 m
a
y
 b
e o
cc
urrin
g
.
(I
m
pe
d
a
n
c
e of 
G
n
d
-1
.5V is 
a
b
out 
1
9
.5
k
)
R
5
1
0
2
 is 
d
efe
c
ti
v
e.
R
ep
a
ir the 
c
orrespon
d
in
g
 p
la
c
es.
N
O
N
O
N
O
N
O
N
O
N
G
1
E
spe
c
iall
y,
 
c
he
ck
 th
a
t Pins 
(1
)(
2
4
)(
2
5)(
4
8
is not wet.
S
ee 
F
ig
ure 
4
.3.
49
TU-32GD1E
TU-37GD1E
TROUBLE SHOOTING TABLE
 (Continued)
NO
NO
NO
NO
NO
NO
NO
Output from Pin (3) of IC5605 is 
3.3V or 5V
D
o
e
s Pin (
1
) of P5003 s
h
o
w
 1
0V
?
IC5
1
03 
a
n
d
 p
e
rip
he
ral
 c
ir
c
uits m
ay
 
b
e
 d
e
fe
c
ti
v
e
, or 
R
5
1
03 m
ay
 b
e
 
da
m
ag
e
d
.
In t
he
 ca
s
e
 of t
h
a
t t
he
 PC 
ca
rd
 is not op
e
ra
te
d
 whe
n t
he
 po
we
r is turn
e
d
 on 
a
ft
e
e
nou
g
h
 l
on
g
 
tim
e
 from t
he
 turnin
g
 of
f.
•F
or      
ab
o
lis
h
 R
50
1
4
 0
a
n
d
 add
 a
 r
e
ad
 j
ump
e
r to Pin (3) of 
S
500
1
 a
n
d
 R
50
1
4
 (
la
n
d
 a
t t
he
 
si
d
e
 of Pin (
1
2
) of IC5003).
•F
rom      
, t
he
 P
WB
 is 
a
pp
licabl
e
.
C
h
a
n
g
e
 R
2
5
9
3
/2
5
9
4
/2
5
9
5
/2
5
9
6 in 
the
 A
V P
WB
 from 
1
00
 into 
4
7
.
R
e
c
or
d
e
d
 mo
v
ie
h
av
e
 sp
lutt
e
rin
g
 
nois
e
.
T
he
 b
uf
fe
c
ir
c
uit of IC560
1
 t
h
ru 
560
7
 a
n
d
 IC500
1
 m
ay
 b
e
 
d
e
fe
c
ti
v
e
.
Or t
he
 PC 
ca
rd
 m
ay
 b
e
 d
e
fe
c
ti
v
e
T
ry
 ot
he
ca
rd
s to 
c
he
c
k
 if t
he
 
s
a
m
e
 pro
bl
e
m o
cc
urs.
A
lso 
c
he
c
k
 t
he
 ca
rd
 is r
e
adabl
e
 by
 
PC.
YES
YES
De
fe
c
ti
v
e
 c
ont
ac
t,
 b
e
n
d
in
g
 of pins 
or t
h
a
t so
ld
e
r is not 
we
t m
ay
 b
e
 
o
cc
urrin
g
.
R
e
p
a
ir t
he
 c
orr
e
spon
d
in
g
 p
lac
e
s.
M
o
v
ie
a
re
 p
lay
e
d
 a
t s
lo
w
 r
a
te
.
YES
YES
C
he
c
k
 t
he
 c
onn
e
c
tor of P500
1
.
C
he
c
k
 t
h
a
t t
he
 cl
o
c
k
 of I
2S
 l
in
e
 is 
inst
all
e
d
 in 
A
V
_
S
U
B
 P
WB
-A
V
-
P
WB
-PC C
a
rd
.
Output from Pin (
2
) of IC5605 is 
not 
lo
we
r t
h
a
2
V.
YES
YES
YES
Input to Pin (
1
) of IC5605 is not 
lo
we
r t
h
a
4
V.
IC500
1
 m
ay
 b
e
 d
e
fe
c
ti
v
e
.
IC500
1
 m
ay
 b
e
 d
e
fe
c
ti
v
e
.
On s
w
it
c
h
in
g
 inputs
add
 R
50
4
1
 
1
0
k
 to t
a
k
e
 m
e
a
sur
e
s for nois
e
.
T
he
 A
V P
WB
 m
ay
 h
av
e
 pro
bl
e
ms.
2
3
M
a
k
e
 sur
e
 t
h
a
ab
out 
2
.7
V is 
e
v
e
NG
.
R
e
ins
e
rt t
he
 
S
C560
2
 ca
rd
 
s
lot to 
c
onfirm.
50
TU-32GD1E
TU-37GD1E
TROUBLE SHOOTING TABLE
 (Continued)
NO
NO
YES
YES
YES
Confir
m the connection betw
een P8903 
and SC2101, troub
leshooting about 
DUNTKC481DE01 (the main circuit 
PWB).
Chec
k IC8904 and per
ipher
al circuits
.
Chec
k IC8905 and per
ipher
al circuits
.
No A
udio output of digital broadcasting
Is LR A
udio output from Pins (27) and 
(29) of P8903?
Is LR A
udio output to Pins (91) and (95) 
of IC8905?
NO
Is the digital signal input to Pins (15) thr
(17) and (19) of IC8905?
Chec
k IC8801, IC8802, IC8804, IC8805, 
IC8601 and per
ipher
al circuits
.
51
TU-32GD1E
TU-37GD1E
TROUBLE SHOOTING TABLE
 (Continued)
A CI card is not recogniz
ed.
Are Pins in SC9101 f
olded or crook
ed?
Is 27MHz CLK input to Pin (35) of IC9101?
Chec
k X9101 and per
ipher
al circuits
.
Replace SC9101.
NO
Are Pins (17), (18), (51) and (52) of SC9101 
supplied with 5V v
oltage?
NO
NO
NO
Chec
k IC9102, IC9014, IC9001 and 
per
ipher
al circuits
.
Is 3.3V v
oltage applied on the po
w
er Pin of 
each of IC9101, IC9103, IC9104 and 
IC9105?
Chec
k IC9101, IC9103, IC9104, IC9105 and 
per
ipher
al circuits (data, address).
Chec
k IC9002 and per
ipher
al circuits
.
YES
YES
YES
YES
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