Service manual

-5-
3. CIRCUIT BLOCK DIAGRAM
AA
AA
DT5
-
NF20FN
VV
VV
SS
SS
ee
ee
ll
ll
ee
ee
cc
cc
tt
tt
ee
ee
dd
dd
OO
OO
UU
UU
TT
TT
LL
LL
OO
OO
uu
uu
tt
tt
RR
RR
OO
OO
uu
uu
tt
tt
AA
AA
55
55
tt
tt
oo
oo
11
11
VV
VV
RR
RR
kk
kk
SS
SS
II
II
FF
FF
TT
TT
VV
VV
GG
GG
kk
kk
BB
BB
kk
kk
AA
AA
VV
VV
HH
HH
VV
VV
--
--
DD
DD
ii
ii
ff
ff
ff
ff
rr
rr
aa
aa
cc
cc
tt
tt
ii
ii
oo
oo
nn
nn
YY
YY
,,
,,
cc
cc
bb
bb
,,
,,
cc
cc
rr
rr
11
11
99
99
55
55
VV
VV
HH
HH
BB
BB
++
++
YY
YY
,,
,,
cc
cc
bb
bb
,,
,,
cc
cc
rr
rr
LL
LL
,,
,,
RR
RR
DD
DD
AA
AA
V
VV
VV
,,
,,
LL
LL
,,
,,
RR
RR
VV
VV
,,
,,
LL
LL
,,
,,
RR
RR
VV
VV
,,
,,
LL
LL
,,
,,
RR
RR
SW
YY
YY
//
//
CC
CC
ff
ff
oo
oo
rr
rr
CC
CC
NN
NN
--
--
00
00
99
99
00
00
,,
,,
AA
AA
VV
VV
22
22
II
II
nn
nn
pp
pp
uu
uu
tt
tt
,,
,,
SS
SS
--
--
VV
VV
HH
HH
SS
SS
II
II
nn
nn
pp
pp
uu
uu
tt
tt
,,
,,
MM
MM
oo
oo
nn
nn
ii
ii
tt
tt
oo
oo
rr
rr
--
--
OO
OO
uu
uu
tt
tt
,,
,,
CC
CC
oo
oo
mm
mm
pp
pp
oo
oo
nn
nn
ee
ee
nn
nn
tt
tt
DD
DD
VV
VV
DD
DD
::
::
MM
MM
ii
ii
dd
dd
dd
dd
ll
ll
ee
ee
LL
LL
ee
ee
vv
vv
ee
ee
ll
ll
SS
SS
yy
yy
ss
ss
tt
tt
ee
ee
mm
mm
((
((
LL
LL
AA
AA
77
77
66
66
88
88
33
33
77
77
))
))
DD
DD
VV
VV
DD
DD
DD
DD
rr
rr
ii
ii
vv
vv
ee
ee
rr
rr
//
//
MM
MM
PP
PP
EE
EE
CC
CC
D-Audio
Out
COAXIAL
AUDIO OU
T
AV-2
AV-1
Monitor
OUT
8V 5V 3.3V 2.5V
Control
DVD Ou
AC-IN
120V
60Hz
II
II
CC
CC
PP
PP
oo
oo
ww
ww
ee
ee
rr
rr
((
((
MM
MM
RR
RR
--
--
22
22
55
55
44
44
00
00
))
))
5V for Micom
125V
33V 13
V
for SW/Chroma/Comb-F
Tuner for FBT
MM
MM
SS
SS
PP
PP
33
33
44
44
22
22
00
00
TT
TT
UU
UU
NN
NN
EE
EE
RR
RR
IIC
2
MP
X
IIC
2
IF-OUT
IIC
2
Y,cb,cr
Y,
C
V-D H-
D
CVB
S
R,G,
B
CC
CC
hh
hh
rr
rr
oo
oo
mm
mm
aa
aa
//
//
II
II
F
F F
F
LL
LL
AA
AA
77
77
66
66
88
88
33
33
77
77
IIC
2
SW & ID & RES
E
CVB
S
MM
MM
ii
ii
cc
cc
rr
rr
oo
oo
pp
pp
rr
rr
oo
oo
cc
cc
cc
cc
ee
ee
ss
ss
ss
ss
oo
oo
rr
rr
LL
LL
CC
CC
88
88
66
66
33
33
22
22
66
66
00
00
--
--
xx
xx
xx
xx
xx
xx
H-Sync
V-Sync
Key-in
Remocon-in
Indicator
IIC
1
RR
RR
OO
OO
MM
MM
2
2 2
2
44
44
LL
LL
CC
CC
11
11
6
6 6
6
10V to Chroma
D
VD Driver 10V, 5.2
V
MSP 8V
FF
FF
BB
BB
TT
TT
HH
HH
--
--
DD
DD
rr
rr
ii
ii
vv
vv
ee
ee
rr
rr
K
K K
K
SS
SS
CC
CC
55
55
33
33
88
88
66
66
VV
VV
--
--
DD
DD
rr
rr
ii
ii
vv
vv
ee
ee
rr
rr
L
L L
L
AA
AA
77
77
88
88
00
00
44
44
1
1 1
1
CC
CC
RR
RR
TT
TT
--
--
DD
DD
rr
rr
ii
ii
vv
vv
ee
ee
rr
rr
K
K K
K
TT
TT
CC
CC
33
33
22
22
22
22
99
99
XX
XX
33
33
AA
AA
uu
uu
dd
dd
ii
ii
oo
oo
--
--
AA
AA
MM
MM
PP
PP
T
T T
T
DD
DD
AA
AA
--
--
88
88
99
99
44
44
44
44
JJ
JJ
SS
SS
PP
PP
--
--
LL
LL
SS
SS
PP
PP
--
--
RR
RR
EE
EE
PP
PP
CC
CC
RR
RR
TT
TT
DD
DD
Y
Y Y
Y
VD
D
Control
LL
LL
EE
EE
DD
DD
ss
ss
SS
SS
ee
ee
nn
nn
ss
ss
ee
ee
rr
rr
KK
KK
EE
EE
YY
YY
11
11
,,
,,
22
22
IIC
1
Reset
Reset
Monitor Out
MM1111X
S
MM111
8
S-VH
S
TDA-9183P
CVBS I
N
In1
In2
In3
In1
In2
Out
Y/C IN
OU
T
SS
SS
WW
WW
SS
SS
WW
WW
ON/OF
F
Power-on
Audio-AMP
6V
SS
SS
MM
MM
PP
PP
SS
SS
TT
TT
RR
RR
AA
AA
NN
NN
SS
SS
((
((
TT
TT
SS
SS
MM
MM
--
--
44
44
44
44
44
44
55
55
BB
BB
22
22
))
))