SE
R
V
I
C
E
M
A
N
U
A
L
M
o
d
e
l
s:
NS-13CTV
.
E
d
i
t
i
o
n
:
2
0
0
5
-
5
-
6
CO
N
TE
N
TS
1.
Safety
precautions……………………………………………………………..……………3
2
.
T
V
b
l
o
c
k
d
i
a
g
ra
m
……………
…
………
……
……………
…
……………………
…
.
.…….
4
3
.
R
e
p
l
ace
m
e
n
t
o
f
m
e
m
o
r
y
IC……………
…
……………………………………
…….……
5
4
.
S
e
rv
i
c
e
a
d
j
u
s
t
m
e
nt
…………………………
…
……………………………….
.
…………
.
..
5
5
.
I
C
s
fun
c
t
i
o
n
a
l
d
e
scr
i
pt
i
o
n……………………………………………………
…
…………
8
6
.
T
es
t
po
i
n
t
w
a
v
e
fo
r
m
……………………
……
………………
…
…………
…
……………
1
0
7
.
A
ll
ICs
v
o
l
t
a
g
e
s
…………………………
…
.
.
…
……………………………………………
.
10
8
.
P
u
r
i
t
y
/
c
o
n
v
er
g
e
n
c
e
a
d
j
u
s
t
m
e
nt
………
…
……………………………………………
1
1
9
.
D
V
D
m
a
i
n
t
e
n
a
n
ce
…
……
……
…
…
…
……
…
………
…
…
…
……
…
……
…
…
…
……
…
1
3
1
0
.
L
i
s
t
o
f
P
ar
t
s
………………………………………………………………………….……
.
14
1
1
.
C
i
r
c
u
i
t
d
ia
g
r
a
m……………………………………
…
……………………………………
28
1
2
.
E
x
p
l
o
d
e
d
v
i
e
w
……
…
…
……
…
…
……
…
…
……
…
…
………
…
…
……
…
…
…
…
2
9
2
.
1
.
S
A
F
E
T
Y
P
R
E
C
A
U
T
IO
N
S
1
.
T
h
e
d
e
s
i
g
n
o
f
t
h
i
s
p
r
o
d
u
c
t
c
on
t
a
i
n
s
s
p
e
c
i
a
l
h
a
r
d
w
a
r
e
,
m
a
n
y
circuits
and
components
especially
for
safety
purposes.
For
continued
prot
ection,
no
changes
should
be
made
to
t
he
original
design
unless
authorized
in
writing
by
th
e
manufacturer.
Replacem
ent
parts
m
ust
be
identical
to
thos
e
used
in
the
original
circuits.
Service
should
be
performed
b
y
qualified
personnel
only.
2.
Alterations
of
the
design
or
circuitry
of
the
products
shoul
d
not
be
made.
Any
design
alterations
or
additions
will
void
th
e
manufacturer’s
warranty
and
will
further
relieve
th
e
manufacturer
of
responsibility
for
personal
injury
or
proper
ty
damage
resulting
therefrom.
9
.
I
s
o
l
a
t
i
o
n
C
he
c
k
(Safety
for
Electrical
Shock
Hazard)
After
re-assem
bling
the
product,
always
perform
an
isolati
on
check
on
the
exposed
metal
parts
of
the
cabinet
(ant
enn
a
term
inals,
video/
audio
input
and
output
terminals,
Contro
l
knobs,
metal
cabinet,
screw
heads,
earphone
jack,
contro
l
shafts,
etc.)
to
be
sure
the
product
is
safe
to
operate
withou
t
danger
of
electrical
shock.
10.
The
surface
of
the
TV
screen
is
coated
with
a
thin
film
which
can
easily
be
damaged.
Be
very
careful
with
it
when
handl
e
the
TV.
Should
the
TV
screen
becom
e
soiled,
wipe
it
with
a
soft
dry
cloth.
Never
rub
it
forcefully.
Never
use
any
cleane
r
or
detergent
on
it.
3
.
M
an
y
e
l
e
ct
r
i
c
a
l
a
n
d
m
e
c
han
i
c
a
l
p
a
r
t
s
i
n
t
h
e
p
r
o
d
u
c
t
s
ha
v
e
special
safety-related
characteristics.
These
characteristi
cs
are
oft
en
not
evident
from
visual
inspection
nor
can
t
he
protection
afforded
by
them
necessarily
be
obtained
by
usin
g
replacem
ent
components
rated
for
higher
voltage,
wattage
,
etc.
Replacem
ent
parts
which
have
these
special
safet
y
characteristics
are
identified
in
the
parts
list
of
Servic
e
manual.
Electrical
com
ponents
having
such
features
ar
e
identified
by
shading
on
the
schem
atics
and
by
(
)
on
the
parts
list
in
Service
manual.
The
use
of
a
substitut
e
replacem
ent
which
does
not
have
the
sam
e
safet
y
characteristics
as
the
recommended
replacem
ent
par
t
shown
in
the
parts
list
of
Service
manual
may
cause
shock
,
fire,
or
other
hazards
4.
Don’t
short
between
the
LIVE
side
ground
an
d
ISOLATED
(NEUTRAL)
side
ground
or
EARTH
sid
e
ground
when
repairing
.
Some
model’s
power
circuit
i
s
partly
different
in
the
GND.
The
difference
of
the
GND
i
s
shown
by
the
LIVE:
(
)
side
GND,
ISOLATED
(NEUTRAL):
(
)
side
GND
and
EARTH:
(
)
side
GND
.
Don’t
short
between
the
LIVE
side
GND
and
ISOLATED
(NEUTRAL)
side
GND
or
EARTH
side
GND
and
neve
r
measure
with
a
m
easuring
apparat
us
(oscilloscope
etc.)
t
he
LIVE
side
GND
and
ISOLATED
(NEUTRAL)
side
GND
o
r
EARTH
side
GND
at
the
sam
e
tim
e.
If
above
note
will
not
be
kept,
a
fuse
or
any
parts
will
be
broken.
5.
If
any
repair
has
been
m
ade
to
the
chassis,
it
i
s
recomm
ended
that
the
B1
setting
should
be
checked
o
r
adjusted
(See
ADJUSTMENT
OF
B1
POW
ER
SUPPLY).
6.
The
high
voltage
applied
to
the
picture
tube
must
conform
t
o
that
specified
in
Service
manual.
Excessive
high
voltage
c
an
cause
an
increase
in
X-Ray
em
ission,
arcing
and
possibl
e
component
dam
age,
therefore
operation
under
excessiv
e
high
voltage
conditions
should
be
kept
to
a
minim
um,
o
r
should
be
prevented.
If
severe
arcing
occurs,
rem
ove
the
A
C
power
immediately
and
determine
the
cause
by
visua
l
inspection
(incorrect
installation,
cracked
or
m
elt
ed
hig
h
voltage
harness,
poor
soldering,
etc.).
To
maintain
the
prope
r
minimum
level
of
soft
X-Ray
emission,
com
ponents
in
th
e
high
voltage
circuitry
including
the
picture
tube
must
be
t
he
exact
replacem
ents
or
alternatives
approved
by
t
he
manufacturer
of
the
complete
product.
(
1
)
D
i
e
l
e
c
t
r
i
c
S
t
r
e
n
g
t
h
T
e
s
t
The
isolation
between
the
AC
prim
ary
circuit
and
all
meta
l
parts
exposed
to
the
user,
particularly
any
exposed
meta
l
part
having
a
return
path
to
the
chassis
should
withstand
a
voltage
of
3000V
AC
(r.m.s.)
for
a
period
of
one
second.
(…W
ithstand
a
voltage
of
1100V
AC
(r.m.s.)
to
an
applianc
e
rated
up
to
120V,
and
3000V
AC
(r.m.s.)
to
an
applianc
e
rated
200V
or
more,
for
a
period
of
one
second.)
This
method
of
test
requires
test
equipm
ent
not
generall
y
found
in
the
service
trade.
(2)
Leakage
Current
Check
Plug
the
AC
line
cord
directly
int
o
the
AC
outlet
(do
not
use
line
isolation
transform
ers
during
this
check).
Using
a
“Leakage
Current
Test
er”,
m
easure
the
leakage
current
fro
m
each
exposed
metal
part
of
the
cabinet,
particularly
an
y
exposed
m
etal
part
having
a
return
path
t
o
the
chassis,
to
a
known
good
earth
ground
(water
pipe,
etc.).
Any
leakag
e
current
must
not
exceed
0.5mA
AC
(r.m.s.).
However,
in
tropical
area,
this
must
not
exceed
0.2mA
AC
(r.m.s.).
●Alternate
Check
Method
Plug
the
AC
line
cord
directly
into
the
AC
outlet
(
do
not
use
a
line
isolation
transformer
during
this
check.).
Use
an
A
C
voltmeter
having
1000
ohm
s
per
volt
or
more
sensitivity
i
n
the
following
manner.
Connect
a
1500Ω
10W
resisto
r
paralleled
by
a
0.15µF
AC-type
capacit
or
between
a
n
exposed
m
etal
part
and
a
known
good
earth
ground
(wate
r
pipe,
etc.).
Measure
the
AC
voltage
across
the
resistor
wit
h
the
AC
voltmeter.
Move
the
resistor
connection
to
eac
h
exposed
metal
part,
particularly
any
exposed
metal
par
t
having
a
return
path
to
the
chassis,
and
m
easure
the
A
C
voltage
across
the
resistor.
Now,
reverse
the
plug
in
the
A
C
outlet
and
repeat
each
m
easurem
ent.
Any
voltage
measur
ed
must
not
exceed
0.75V
AC
(r.m.s.).
This
corresponds
to
0.5mA
AC
(r.m
.s.).
However,
in
tropical
area,
this
must
not
exceed
0.3V
AC
(r.m.s.).
This
corresponds
to
0.2m
A
AC
(r.m.s.)
7
.
D
o
n
o
t
c
h
e
c
k
h
i
g
h
v
o
l
t
a
g
e
b
y
d
r
a
w
i
n
g
a
n
a
r
c
.
U
s
e
a
h
i
g
h
voltage
met
er
or
a
high
voltage
probe
with
a
VTVM.
Discharge
the
picture
tube
before
attempting
mete
r
connection,
by
connecting
a
clip
lead
to
the
ground
fram
e
and
connecting
the
other
end
of
the
lead
through
a
10kΩ
2
W
r
e
s
i
s
t
o
r
t
o
t
h
e
a
n
o
d
e
b
u
t
t
o
n
.
8
.
W
h
e
n
s
e
r
v
i
c
e
i
s
r
e
qu
i
r
ed
,
o
b
s
e
r
v
e
t
h
e
o
r
i
g
i
n
a
l
l
ea
d
d
r
e
s
s
.
Extra
precaution
should
be
given
t
o
assure
correct
lead
dress
in
the
high
voltage
circuit
area.
W
here
a
short
circui
t
has
occurred,
those
components
that
indicate
evidence
o
f
overheating
should
be
replaced.
Always
use
th
e
m
a
nu
f
a
c
t
u
r
e
r
’
s
r
e
p
l
a
c
e
m
e
n
t
c
o
m
p
o
n
e
n
t
s
.
3
.
2
.
B
l
o
c
k
d
i
ag
r
a
m
T
DA837
7
PS
/
N3
/2
se
r
i
e
s
w
ith
m
on
o
i
n
t
e
r
ca
rr
i
e
r
soun
d
de
mo
du
l
a
t
or
4
3.
R
EP
LA
C
E
M
E
N
T
OF
M
E
M
O
R
Y
I
C
1
.
M
E
M
O
R
Y
I
C
.
This
TV
uses
memory
IC.
In
the
memory
IC
are
memorized
data
for
correctly
operating
the
video
and
deflection
circuits.
2
.
P
R
O
C
E
D
UR
E
F
O
R
R
EP
L
A
CI
N
G
M
E
M
O
R
Y
IC
(1)
Power
off
Switch
the
power
off
and
unplug
the
power
cord
from
AC
outlet.
(2)
Replace
IC
Be
sure
to
use
memory
IC
written
with
the
initial
data
values.
(3)
Power
On
Plug
the
power
cord
into
the
AC
outlet
and
switch
the
power
on.
(4)
Check
and
set
SYSTEM
default
value:
1)
Press
“MUTE”
“CALL”
“-\--“
“CALL”
“MUTE”
buttons
in
sequence
to
enter
into
factory
status.
2)
If
the
memory
IC
haven’t
been
written
with
the
initial
data,
press
[Program+]
/
[Program-]
to
select
item
INIT
and
press
[VOLUME+]
/
[VOLUME-]
to
start
initialize
memory
IC.
3)
Check
the
setting
value
of
the
SYSTEM
default
value
of
Table
below.
If
the
value
is
different,
selec
t
items
by
[Program+]
/
[Program-]
keys
and
set
value
by
[VOLUME+]
/
[VOLUME-]
keys.
4)
Press
“EXIT”
button
to
return
to
the
normal
screen.
4. SERVICE ADJUSTMENT
S
pe
c
if
i
c
op
e
r
a
t
i
o
n
:
u
s
e
r
e
m
o
t
e
co
n
t
r
o
l
le
r
Press
“MUTE”
“CALL”
“-\--“
“CALL”
“MUTE”
buttons
in
sequence
to
enter
into
factory
mode.
Press
[Program+]
/
[Program-]
to
select
items
and
press
[VOLUME+]
/
[VOLUME-]
key,
to
make
data
adjustment
of
corresponding
factory
menus.
Press
“EXIT”
key
to
exit
factory
mode.
Fo
c
u
s
a
d
j
u
s
t
m
e
nt
1.
Receive
a
crosshatch
signal.
2.
While
watching
the
screen,
adjust
the
FOCUS
VR
on
the
FBT
to
make
the
vertical
and
horizontal
lines
as
fine
and
sharp
as
possible.
G
e
om
e
t
r
i
ca
l
a
d
j
u
s
t
m
e
nt
Receive
PAL
standard
complete
pattern
signal.
Adjustment
steps
：
a)
Adjust
VSL,
to
the
centre
horizontal
line
just
appears
from
half
bottom
shadow.
b)
Adjust
VAM,
to
get
92%
of
vertical
picture
contents
would
be
displayed
on
CRT.
c)
Adjust
VSH,
the
centre
horizontal
line
corresponds
to
CRT
vertical
centre.
d)
Adjust
SCL,
to
the
linearity
of
P
card
field
is
in
proper
condition.
e)
Adjust
HSH,
to
get
the
picture
horizontal
centre
correspond
to
CRT
horizontal
centre.
Receive
NTSC
signal
and
repeat
above
adjustment.
A
G
C
A
d
j
u
s
t
m
e
nt
Receive
60dBµ
(1mV)
VH
colour
bar
pattern
signal.
Select
TOP
item.
Adjust
value,
to
noise
reduce
gradually
and
just
disappeared
point.
CRT
c
u
t
o
f
f
a
n
d
w
h
i
t
e
b
a
l
a
n
c
e
a
d
j
u
s
t
m
e
nt
a)
CRT
cut
off
adjustment
1.
Select
item
VG2B,
then
adjust
value
to
32.
2.
PRESS
“0”
key,
when
the
screen
shows”VG2”
adjust
the
SCREEN
control
on
Fly
back
transformer
to
make
the
screen
show
alternating
flashing
characters
of
“INSIDE
HIGH
INSIDE
LOW”.
b)
White
balance
adjustment
1.
Receive
a
Black
and
White
pattern.
2.
Adjust
WRP,
WRG,
WRB
items
to
get
colour
temperature
9300K
±
3
JND.
Adjus
t
ab
l
e
I
te
m
s
D
i
rect
acce
s
s
key
I
te
m
s
D
e
scr
i
pt
io
n
Preset
Re
m
ar
k
“0”
VG2
Adjust
VG2
voltage
“1”
5/6HSH
Horizontal
shift
ON
A
“2”
5
/
6
V
SL
V
ert
i
c
a
l
s
l
op
21
A
5/6VAM
Vertical
amplitude
45
A
5/6SCL
S-correction
20
A
5/6VSH
Vertical
shift
38
A
5/6VOF
OSD
Vertical
offset
38
A
HOF*
OSD
Horizontal
offset
20
A
“3”
RED
B
l
ack
lev
el
o
f
f
s
et
R
32
A
GRN
Black
level
offset
G
32
A
WPR
White
point
R
31
A
WPG
White
point
G
31
A
WPB
White
point
B
31
A
YDFP
Y-Delay
for
PAL
YDFN
Y-Delay
for
NTSC
YDFS
Y-Delay
for
SECAM
YDAV
Y-Delay
for
AV
COOL
WARM
LCT
OSD
gain
reduction
TLCT
Teletext
gain
reduction
“4”
T
O
P
A
GC
T
ake
-
o
v
er
po
i
n
t
27
A
VOL
Volume
36
9874
Gain
control
for
TDA9874
59
AVLT
5
9860
1
IFFS
Vision
IF
32
HDOL
Cathode
drive
level
31
AGC
IF
AGC
speed
VG2B
VG2
Brightness
PF
Peaking
center
frequency
“5”
P
i
ct
u
re
pres
e
t
1
0CON
Listen:
Contrast
0
A
0BRI
Listen:
Brightness
0
A
0COL
Listen:
Colour
50
A
0SHP
Listen:
Sharpness
50
A
1CON
Soft:
Contrast
45
A
1BRI
Soft:
Brightness
45
A
1COL
Soft:
Colour
50
A
1SHP
Soft:
Sharpness
50
A
“6”
P
i
ct
u
re
pres
e
t
2
2CON
Standard:
Contrast
70
A
2BRI
Standard:
Brightness
50
A
2COL
Standard:
Colour
50
A
2SHP
Standard:
Sharpness
60
A
3CON
Dynamic:
Contrast
85
A
3BRI
Dynamic:
Brightness
60
A
3COL
Dynamic:
Colour
60
A
3SHP
Dynamic:
Sharpness
80
A
“7”
OP1
-
O
P
9
“8”
I
NIT
I
n
i
t
i
a
l
iz
e
E
E
P
R
O
M
“9”
X
M
IN
“
n
o
s
i
g
n
a
l
”osd
t
h
e
ho
r
i
z
o
n
leftmost
position
X
MA
X
“
n
o
s
i
g
n
a
l
”osd
t
h
e
ho
r
i
z
o
n
rightmost
position
YMIN
“no
signal”osd
the
vertical
leftmost
position
YMAX
“no
signal”osd
the
vertical
rightmost
position
N
O
T
E
:
T
H
E
I
T
E
M
S
W
I
T
H
R
E
M
A
R
K
“
A
”
I
S
A
DJU
S
T
AB
L
E
D
A
T
A
.
Op
ti
ona
l
da
t
a
1.
OP1
Bit
Function
Description
Preset
Remark
Bit
7
OP_RGB
1=Enable
0
EA
Bit
6
OP_DVD
1=Enable
1
EA
B
i
t
5
O
P
_S
V
HS
1=E
n
a
bl
e
(Ca
n
o
nl
y
be
se
l
ected
e
i
t
h
er
S
V
H
S
a
nd
DVD)
1
E
A
B
i
t
4
O
P
_
A
V
2
1=E
n
a
bl
e
0
E
A
Bit
3
OP_WOOFER_VOL
1=Enable
0
EA
Bit
2
OP_SUPERWOOFER
1=Enable
0
EA
Bit
1
OP_YPRPB
1=Enable
0
EA
Bit
0
OP_VG2_MODE
1=Enable
1
EA
2
.
O
P
2
Bit
Function
Description
Preset
Remark
Bit
7
OP_FSL
1=21dBµV
0=26dBµV
0
EA
Bit
6
OP_SOY
1=Enable
0
EA
Bit
5
OP_ARABIC_SET
1=Enable
1
EA
Bit
4
OP_FARSI_SET
1=Enable
0
EA
Bit
3
OP_CYRILLIC_SET
1=Enable
1
EA
Bit
2
OP_EUROUP_SET
1=Enable
1
EA
Bit
1
OP_AUTO_SOUND
1=Enable
1
EA
Bit
0
OP_AVL
1=Enable
1
EA
3
.
O
P
3
Bit
Function
Description
Preset
Remark
Bit
7
OP_RUSSIA
1=Enable
1
EA
Bit
6
OP_ITALY
1=Enable
0
EA
Bit
5
OP_GERMANY
1=Enable
0
EA
Bit
4
OP_FRANCE
1=Enable
0
EA
Bit
3
OP_TURKISH
1=Enable
1
EA
Bit
2
OP_ARABIC
1=Enable
1
EA
Bit
1
OP_FARSI
1=Enable
0
EA
Bit
0
OP_ENGLISH
1=Enable
0
EA
4
.
O
P
4
Bit
Function
Description
Preset
Remark
Bit
7
Reserved
0
EA
Bit
6
OP_HALFTONE
1=Enable
1
EA
Bit
5
OP_IDENT-SENSITIVE
1:21dbuv
0:26dbuv
0
EA
Bit
4
OP_HCO
0
EA
Bit
3
OP_LOGO
1=Enable
0
EA
Bit
2
OP_DUTCH
1=Enable
0
EA
Bit
1
OP_SPANISH
1=Enable
0
EA
Bit
0
OP_ROMANIA
1=Enable
0
EA
5
.
O
P
5
B
i
t
F
u
n
ct
i
on
D
e
scr
i
pt
io
n
P
r
e
set
R
e
m
ar
k
Bit
7
OP_STORE_AV
1=
Enable
1
EA
Bit
6
OP_OSO
1=
Enable
0
EA
Bit
5
OP_SOFT_CHANGE
1=Enable
0
EA
Bit
4
OP_FADE
1=Enable
0
EA
Bit
3
OP_
SOUND_M
1=
Enable
1
EA
Bit
2
OP_
SOUND_I
1=
Enable
1
EA
Bit
1
OP_
SOUND_BG
1=Enable
1
EA
Bit
0
OP_SOUND_DK
1=Enable
1
EA
6
.
O
P
6
Bit
Function
Description
Preset
Remark
Bit
7
RESERVED
1=Enable
0
EA
Bit
6
OP_POR_WHEN_BLUE
1=Enable
0
EA
Bit
5
OP_MENU_MIDLINE
1=Enable
0
EA
Bit
4
OP_MENU_BLUE
1=Enable
1
EA
Bit
3
OP_CHILDLOCK
1=Enable
1
EA
Bit
2
OP_TINT
1=Enable
0
EA
Bit
1
OP_BLUE_SCREEN
1=Enable
0
EA
Bit
0
OP_LOGO_LISTEN
1=Enable
1
EA
7.
OP7
Bit
Function
Description
Preset
Remark
Bit
7
OP_FMWS
1=
Enable
1
EA
Bit
6
OP_HOTEL
1=
Enable
0
EA
Bit
5
OP_PROG-ID
1=Enable
0
EA
Bit
4
OP_LED
1=Enable
0
EA
Bit
3
OP_
TWIST
1=
Enable
1
EA
Bit
2
OP_BYELORUSSIAN
1=
Enable
1
EA
Bit
1
OP_
UKRANIAN
1=Enable
1
EA
Bit
0
OP_AV1
1=Enable
1
EA
8.
OP8
Bit
Function
Description
Preset
Remark
Bit
7
OP_TILT
1=
Enable
1
EA
Bit
6
OP_DIRECT_WITCH-ON
1=
Enable
0
EA
Bit
5
OP_INEER-DVD
1=Enable
0
EA
Bit
4
OP_PROG-FREQ
1=Enable
0
EA
Bit
3
OP_
FAST_BAR
1=
Enable
1
EA
Bit
2
OP_AUSTALIA
1=
Enable
1
EA
Bit
1
OP_
FREQ
1=Enable
1
EA
Bit
0
OP_9860
1=Enable
1
EA
9.
OP9
Bit
Function
Description
Preset
Remark
Bit
7
OP_YGN
1=
Enable
1
EA
Bit
6
OP_OPC
1=
Enable
0
EA
Bit
5
OP_BSD
1=Enable
0
EA
Bit
4
OP_AAS
1=Enable
0
EA
Bit
3
OP_
FMWS1
1=
Enable
1
EA
Bit
2
OP_MVK
1=
Enable
1
EA
Bit
1
OP_
CMSS
1=Enable
1
EA
Bit
0
OP_OSVE
1=Enable
1
EA
N
o
t
e
：
D
o
n
’t
a
d
j
u
s
t
a
n
y
O
P
T
I
ON
i
t
e
m
s
,
p
l
e
a
s
e
i
n
f
o
r
m
t
h
e
e
n
g
i
ne
e
r
ab
o
u
t
a
n
y
c
h
a
n
g
e.
5.
I
C
s
f
u
n
c
t
i
o
n
al
d
e
sc
ri
p
t
i
o
n
1
.
N
5
0
1
U
O
C
T
D
A
8
377
S
Y
M
B
O
L
P
I
N
D
ES
C
R
I
P
T
I
O
N
STAND
BY
output.
1
In
STAND
BY
mode,
low
level
(Power
OFF).
For
Power
ON
this
pin
will
be
high.
SCL
2
I
2
C-bus
clock
line
SDA
3
I
2
C-bus
data
line
TUNING
4
tuning
Voltage
(Vt)
PWM
output
KEY
5
Control
keys
input
SYSTEM
6
TV
system
control
VOL
7
Sound
Volume
control
PWM
output
MUTE
8
Sound
mute
output
VS
SC/P
9
Digit
ground
for
µ-controller
core
and
periphery
CTL
10
DVD
power
control
STANDBY
11
STANDBY
control
VS
SA
12
Analog
ground
of
digital
ground
of
TV-processor
SECPLL
13
Internally
connected
VP2
14
2
nd
supply
voltage
TV-processor(+8V)
DECDIG
15
decoupling
digital
supply
of
TV-processor
PH2LF
16
Phase-2
filter
PH1LF
17
Phase-1
filter
GND3
18
Ground
3
for
TV-processor
DECBG
19
Band
gap
decoupling
A
VL/EWD
20
Automatic
volume
levelling
VD
RB
21
Vertical
drive
B
output
VD
RA
22
Vertical
drive
A
output
IFIN1
23
IF
input
1
IFIN2
24
IF
input
2
IREF
25
Reference
current
input
VSC
26
Vertical
sawtooth
capacitor
TUNER
AGC
27
Tuner
AGC
output
A
UDEEM/SIFIN1
*1
28
Audio
deemphasize
or
SIF
input
DECSDEM/SIFIN2
29
Decoupling
sound
demodulator
GND2
30
Ground
2
for
TV
processor
SNDPLL/SIFAGC
*1
31
Narrow
band
PLL
filter
A
VL
32
Automatic
Volume
Levelling
HOUT
33
Horizontal
output
FBISO
34
Flyback
input/sandcastle
output
A
UDEXT
35
External
audio
output
EHTO
36
EHT/over
voltage
protection
input
PLL
IF
37
IF-PLL
loop
filter
IFVO/SVO
38
IF
video
output
/
selected
CVBS
output
VP1
39
supply
voltage
TV
processor
CVBS
INT
40
internal
CVBS
input
GND1
41
ground
for
TV
processor
CVBS/Y
42
CVBS/SVHS(Y)
input
CHROMA
43
SVHS
(C)
input
A
UDOUT
44
Audio
output
INSSW2
45
YUV
insertion
input
R2/VIN
46
R
input
/
V
(R-Y)
input
/
PR
input
G2/YIN
47
G
input
/
Y
input
B2/UIN
48
B
input
/
U
(B-Y)
input
/
PB
input
BCLIN
49
Beam
current
limiter
input
BLKIN
50
Black
current
input
RO
51
Red
output
GO
52
Green
output
BO
53
Blue
output
VD
DA
54
Analog
supply
of
Closed
Caption
decoder
and
digital
supply
of
TV-processor
(3.3
V)
VPE
55
Ground
VD
DC
56
Digital
supply
to
core
(3.3
V)
OSCGND
57
Oscillator
ground
supply
XTALIN
58
Crystal
oscillator
input
XTALOUT
59
Crystal
oscillator
output
RESET
60
Ground
VD
DP
61
Digital
supply
to
periphery
(+3.3
V)
P1.0/INT1
62
AV1
/
AV2
mode
Output.
P1.1/T0
63
AV
/S-VHS
mode
Output.
P1.2/INT0
64
Remote
control
signal
input.
N
o
t
e
P
i
n
T
V
S
V
H
S
A
V1
A
V
2
62
1
0
0
1
63
1
1
0
0
2
.
N
9
0
2
24
C
0
8
/
P
C
F
8
5
98
PIN
Function
1
GND
2
GND
3
Upper
resistance
4
GND
5
SDA
data
wire
6
SCL
clock
wire
7
GND
8
+5V
Power
3
.
N
6
01
:
S
ou
n
d
p
o
w
e
r
a
m
p
l
i
fy
(
A
N
7
5
22
N
)
Symbol
PIN
Function
Symbol
PIN
Function
Vcc
1
Power
supply
GND
7
ground
Out
1
(+)
2
Ch
1
output
(+)
In
2
8
Ch
2
input
GND(out
1)
3
Ch
1Ground
VOL
9
Volume
Control
Out
1
(-)
4
Ch
1
output
(-)
Out
2
(-)
10
Ch
2
output
(-)
Standby
5
Mute
input
GND(out
2)
11
Ch
2
Ground
In
1
6
Ch
1
input
Out
2
(+)
12
Ch
2
output
(+)
4
.
N
3
01
:
V
e
r
t
ic
a
l
o
u
t
pu
t
(
T
D
A
83
5
7
A
)
Symbol
PIN
Function
Symbol
PIN
Function
INV
IN
1
Input
PUMP
UP
6
Pump
up
power
INV
IN
2
Input
V
OUT
7
Vertical
output
Vcc
3
Pump
up
power
V
PRO
8
Vertical
protection
V
OUT
4
Vertical
output
V
FEEDBACK
9
Vertical
feedback
GND
5
Ground
5
.
U
1
01
：
T
un
e
r
PIN
Function
PIN
Function
1
AGC
7
+5V
2
vacant
8
vacant
3
Gnd
9
Vt
33V
4
SCL
10
Gnd
5
SDA
11
IF
Out
6
+5V
6.
T
est
poin
t
W
a
v
ef
o
r
ms
2.6Vpp
1.2Vpp
3.8Vpp
2.5
V
pp
2.5Vpp
H
H
H
10
H
H
9
5
V
p
p
95Vpp
9
5
V
pp
0
.
9Vpp
5Vpp
H
H
H
H
H
C
R
T
K
R
C
R
T
K
G
C
R
T
KB
T
DA83
7
7
P
IN33
T
DA
8
377
P
I
N
34
1
V
p
p
0
.
8Vpp
1.3Vpp
V
V
T
D
A
8377
P
I
N
21
T
D
A
8377
P
I
N22
T
D
A
8377
P
I
N
59
7.
I
C
v
ol
t
ag
e
s
T
D
A
83
7
7
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
V
0
3.8
3.6
3.3
3.5
4.4
5.1
1.8
0
0.18
0.17
0
2.3
8
5
3
PIN
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
V
4
0
4
0.5
0.7
0.8
1.9
1.9
3.9
3.8
1.6
3.2
2.3
0
2.3
0.2
PIN
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
V
0.5
0.3
0
1.7
2.4
3.4
8
3.9
0
3.3
0
3.6
1.4
2.5
2.5
2.5
PIN
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
V
1.9
5.0
2.4
2.4
2.4
3.1
0
3.2
0
1.8
1.7
0
3.2
5.1
3.3
5
T
D
A
83
5
7
PIN
1
2
3
4
5
6
7
8
9
V
0.8
0.7
16
6.9
0
43
7.2
0.3
7.2
A
N
7
5
22
N
PIN
1
2
3
4
5
6
7
8
9
10
11
12
V
10
4.4
0
4.4
2.75
1.4
0
1.4
0.35
4.4
0
4.4
2
4
C
0
8
/
P
C
F
8
598
PIN
1
2
3
4
5
6
7
8
V
0
0
5.1
0
3.2
0
0
5.1
8.
P
UR
I
T
Y
/
C
O
N
V
E
R
GE
N
C
E
AD
J
U
S
T
M
E
NT
P
U
RI
T
Y
A
D
J
U
S
T
M
E
N
T
1.
Demagnetize
CRT
with
the
demagnetizer.
2.
Loosen
the
retainer
screw
of
the
deflection
yoke.
3.
Remove
the
wedges.
C
RT
W
ED
G
E
DEFLECTION
YOKE
P
4
.
I
n
pu
t
a
g
r
e
e
n
r
a
s
t
e
r
s
i
g
n
a
l
f
r
o
m
t
h
e
s
ig
n
a
l
ge
n
e
r
a
t
o
r
,
and
turn
the
screen
to
green
raster.
4
6
5
.
Mo
v
e
t
h
e
de
f
lec
t
io
n
y
o
k
e
b
a
ck
w
a
r
d
.
6.
Bring
the
long
lug
of
the
purity
magnets
on
the
shor
t
lug
and
position
them
horizontally.
(Fig2)
7.
Adjust
the
gap
between
two
lugs
so
that
the
GREE
N
RASTER
will
come
into
the
centre
of
the
screen.
(Fig.
3)
8.
Move
the
deflection
yoke
forward,
and
fix
the
positio
n
of
the
deflection
yoke
so
that
the
whole
screen
w
ill
become
green.
9.
Insert
the
wedge
to
the
top
side
of
the
deflection
y
oke
so
that
it
will
not
move.
10.
Input
a
crosshatch
signal.
Lo
n
g
lug
P/C
MA
G
NE
TS
P:
PURITY
MAGNET
4:
4-POLES
(convergence
magnets)
6:
6-POLES
(convergence
magnets)
Fig.
1
PURITY
MAGNETS
1
1
.
V
e
r
i
f
y
t
h
a
t
t
h
e
s
c
r
e
e
n
i
s
h
o
r
i
z
o
n
t
a
l
.
1
2
.
I
n
pu
t
r
e
d
a
n
d
b
l
u
e
r
a
s
t
e
r
s
ign
a
l
s
,
a
n
d
m
a
k
e
s
u
r
e
t
h
a
t
purity
is
properly
adjusted.
Short
lu
g
B
r
i
n
g
t
h
e
l
on
g
lu
g
o
v
e
r
t
h
e
s
h
o
r
t
l
u
g
a
n
d
po
sition
them
horizontally.
Fig.
2
(
F
R
ON
T
V
I
EW
)
G
R
E
E
N
R
A
S
T
ER
C
E
N
T
ER
Fig.
3
S
T
A
T
IC
C
O
N
VE
R
G
E
N
CE
A
D
J
U
S
T
M
E
N
T
1
.
I
n
p
u
t
a
c
r
o
s
s
ha
t
c
h
s
i
g
nal
.
2
.
U
s
in
g
4
-
p
ol
e
c
on
v
e
r
g
e
nc
e
ma
g
n
e
t
s
o
v
e
r
l
a
p
t
h
e
r
e
d
and
blue
lines
in
the
center
of
the
screen
(Fig.
1)
an
d
turn
them
to
magenta
(red/blue).
3.
Using
6-pole
convergence
magnets
overlap
t
he
magenta
(red/blue)
and
green
lines
in
the
center
of
th
e
screen
and
turn
them
to
white.
(
F
R
O
N
T
VI
E
W)
4
.
R
e
pe
a
t
2
an
d
3
a
bo
v
e
,
a
n
d
mak
e
t
h
e
b
e
s
t
convergence.
F
i
g
.
1
D
Y
NA
M
I
C
C
O
N
VE
R
G
E
N
CE
A
D
J
U
S
T
M
E
N
T
1.
Move
the
deflection
yoke
up
and
down
and
overla
p
lines
in
the
periphery.
(Fig.
2)
2.
Move
the
deflection
yoke
left
to
right
and
overlap
the
(
F
RO
N
T
V
I
E
W)
RED
GREEN
BLU
E
BLUE
R
E
D
line
s
i
n
t
h
e
p
e
r
i
p
he
r
y
.
(
F
ig
.
3
)
G
R
E
E
N
G
R
E
E
N
3
.
R
e
pe
a
t
1
an
d
2
a
bo
v
e
,
a
n
d
mak
e
t
h
e
b
e
s
t
convergence.
R
ED
B
L
U
E
B
L
U
E
G
R
E
EN
R
ED
Fig.2
(F
R
O
NT
V
I
E
W
)
A
f
t
e
r
a
d
j
u
s
t
men
t
,
f
i
x
t
h
e
w
e
d
g
e
a
t
t
h
e
o
r
igin
a
l
p
o
s
i
t
io
n
.
Fasten
the
retainer
screw
of
the
deflection
yoke.
Fix
the
6
magnets
with
glue.
R
E
D
G
R
EEN
B
L
U
E
B
L
U
E
G
R
EEN
R
E
D
RED
G
R
EEN
B
L
U
E
B
L
U
E
G
R
EEN
F
i
g
.
3
R
E
D
9
.
DV
D
P
a
rt:
I
n
t
r
oduc
tion
o
f
M
T
K1389
D
m
a
i
n
t
e
n
ance
NOTE:
MTK1389D
is
a
type
of
LSIC
for
DVD
decode
.MTK1389D
IC
consists
of
RF,SERVO,DSP,DECODE,VIDEO
DAC
and
AUDIO
DAC.
1.
Under
normal
power
supply
conditions,
the
maintenance
plan
for
MT1389D
mono-chip
is:
first
the
rese
t
circuit
resets
the
MT1389D,
after
the
crystal
oscillator
circuit
gave
the
clock
signal
to
MT1389D,
MT1389D
wil
l
start
the
initialization
check
for
Flash
：
E
2
PROM
：
SDRAM,
after
everything
is
checked
to
be
normal,
it
will
star
t
initialization
check
for
built-in
Audio
DAC,
servo
and
motor
Driver
IC
.
2.
If
the
all
the
a.m.
parts
are
good,
then
MT1389D
will
send
signal
to
motor
Driver
to
drive
the
serv
o
system
：
pick
up
then
to
generate
DVD
light
for
collection,
tracing
the
main
shaft
to
check
if
there
is
any
disc
,
and confirm
if
it
is
CD
format
or
DVD
format
disc.
If
the
disc
is
in
DVD
format,
the
system
will
read
the
dat
a
from
the disc
directly;
if
it
is
in
CD
format
built-in
servo
will
drive
the
CD
laser
to
send
out
CD
light
and
read
th
e
data,
the data
then
will
be
amplified
through
built-in
RF
amplifier
and
sent
to
MT1389D
decode
part
for
dat
a
processing, released
by
MPEG
and
resolved
into
video
data
and
audio
data,
then
they
will
be
returned
t
o
analog
signals through
built-in
VIDEO
DAC
：
AUDIO
DAC.
Decoder
section
3.
There
is
power
supply,
clock
and
reset,
but
the
system
does
not
work.
1
：
Check
if
all
the
address
wires
required
for
FLASH
are
exist,
and
if
they
are
in
normal
status
,
especially
check
if
the
A0~A15
of
FLASH
have
normal
signals,
if
there
aren’t,
then
inspect
MT1389D
to
see
i
f
there
is
faulty
soldering.
If
there
are
normal
signals
at
A0~A15,
check
if
the
address
data
signal
of
MT1389
D
and
SDRAM
is
normal.
If
it
is
normal,
then
check
the
signal
at
A16~A19
of
MT1389D;
if
there
are
also
signals
,
then
check
the
video
output
wires
and
AV
filter
circuit;
if
there
is
no
signal,
then
check
the
corresponding
pins
of
MT1389D
to
see
if
there
is
any
short
circuit,
break
or
faulty
soldering.
4.
System
in
normal
operation,
but
the
audio
has
no
sound.
1
：
Because
the
AUDIO
DAC
is
built
in
MTK1389D
IC.you
need
to
check
the
lower
passing
amplifyin
g
circuit
and
the
MUTE
circuit
at
the
back
of
the
LPF
circuit.
Also
check
if
there
is
any
power
supply
to
the
LP
F
circuit.
2
：
Check
if
the
power
supply
voltage
required
for
playing
is
at
normal
level.
S
er
v
o
S
ec
t
i
o
n
5.
After
the
LOGO
of
the
machine
shows
normally,
there
is
no
OSD
display.
This
problem
mainly
is
caused
by
the
abnormality
built-in
RF
and
servo,
possible
problems
may
be:
1
：
Built
in
RF
and
its
surrounding
circuits
have
problems.
2)
Servo
part
of
MT1389D
has
problems.
6.
OSD
display
is
normal
：
while
there
is
no
action
of
servo
par
：
t
feeding
motor
does
not
work,
main
shaft
does
no
turn,
possible
fault
status
are:
1)
The
corresponding
signals
giving
by
MT1389D
to
DMSO
：
FMSO
are
missing,
the
reason
may
be
the
problem
of
MT1389D
or
the
communication
between
MT1389D
and
motor
Driver
IC
SA5668.
2)
Not
output
from
Motor
Driver,
the
reason
may
be
the
problem
on
motor
Driver
or
its
corresponding
circuit.
7.
Servo
part
in
good
status,
while
there
is
no
pick
up
action
：
no
light,
no
focus
：
1
：
No
light,
check
the
power
suppl
：
y
power
supply
for
pick
up
：
,
or
the
light
producing
driving
circuit
to
see
if
they
are
in
normal
status.
2
：
No
focus,
check
MT1389D
to
see
if
there
is
signal
output
from
FOSO
：
TRSO.
Secondly,
check
motor
driver
to
see
if
there
is
F+
：
F-
：
T+
：
T-signal
output.
Thirdly,
check
the
external
corresponding
circuit
of
the
motor
driver
to
see
if
there
is
any
problem.
8.
All
the
servo
part
has
action,
while
it
cannot
read
out
the
disc
1
：
Check
MT1389D
if
there
is
RF
net
picture
output,
if
there
isn’t,
then
it
must
be
the
problem
o
f
MT1389D
and
external
surrounding
circuits,
it
there
is
output,
then
it
might
the
problem
of
MT1389
D
and
its
surrounding
circuits.
2
：
There
is
RF
signal
：
but
not
in
normal
status
：
then
check
MT1389D
and
surrounding
circuits.
3
：
Everything
is
normal,
but
the
disc
cannot
be
read
out,
check
MT1389D
and
its
surrounding
circuit
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
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11
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15
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