STR-KIV300 - Sony Audio Service Manual (repair manual). Page 22

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STR-KIV300
22
HDMI Check Flow
C
heck t
hat e
ac
h pow
er
 s
upply 
is
 s
uppli
ed.
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
C
heck 
that only the 
digital 
output 
(HDMI) is
 af
fe
cted.
C
heck 
that the input voltage of
 the 
fo
llow
ing 
pin is
 12 
V.
MB1306 boar
IC
503 
pin 
5 (
VIN)
C
heck 
that the output voltage of
 the 
fo
llow
ing 
pin is
 5 
V.
MB1306 boar
IC
503 
pin 
4 (
VO
U
T)
Ye
s
Check 
that there are no
 abnormalities 
in 
CN
701.
Per
for
m other
 analys
es
.
C
heck 
the s
ettings
 on the 
menu 
sc
re
en.
Ref
er
 to 
the
 “Pow
er
 Check 
Fl
ow
 (1
/2
)” on
 page 20.
C
heck 
that the input voltage 
of
 the 
fo
llow
ing 
pin is
 3.3V.
MB1306 b
oa
rd
 IC
50
pi
(C
O
N
T)
Ref
er
 to 
the 
“Po
we
r C
he
ck
 Flo
(1/2)”
 o
page 20 t
o
 c
he
ck
 o
n p
owe
r c
on
tro
l sig
na
l fo
r P
CON
T_3
Exchange t
he IC503.
Par
t N
o. 
6-718-999-01
De
sc
rip
tio
n I
MM1839A50NRE
Ref
er
 to 
the 
“Pow
er
 Check 
Fl
ow
 (1
/2
)” 
on 
page 20.
Part N
o. 
1-821-398-41
Des
cr
iption HDMI 
C
O
NNEC
TO
(HDMI 
O
U
AR
C
)
Exchange the 
C
N
701
N
ote: 
When CN701 i
exchanged,
 be 
careful
 of the
qual
ity of sol
deri
ng enough.
No
No
No
No
No
No
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