AO9
AO8
+5V
+5V
+5V
+5V
+5V
48
52
56
60
64
+5V
+5V
+5V
+5V
+5V
+5V
100
104
108
112
116
120
P1
P2
P11
+5VD
SF1
FL202
AMP
+5V
BIAS
R193
Q208
REFERENCE
VOLTAGE
GENERATOR
Q209,Q210,U201
19
17
23
1
7
VRB
VRT
VIN
D0
|
D7
67-74
IYC1
|
IYC8
U205
Y/C SEPARATOR
AMP
FL208
OCIO
TP213
AMP
TP201
AMP
FL206
OY
IO
TP212
AMP
TP203
TP204
38
27
80
4
2
Q219,Q220
Q217,Q218
Q222
Q223
U204
U203
A/D
CONVERTER
3-10
AMP
AMP
AMP
FL201
Q201
AMP
AMP
AMP
55
C.SYNC
P2
P2
P2
P2
P2
P2
P2
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
TO
MOTHER
BOARD
P12
2
1
5
3
12
13
U210 SELECTOR
BUFFER
Y0
Y1
Z0
Z1
X0
X1
15
BUFFER
4
BUFFER
14
BUFFER
Q290
Q291
Q215
11
10
9
A
B
C
AO3
AMP
Q213
P2
P2
P2
P2
P2
11
10
9
A
B
C
AO3
AMP
AMP
AMP
AMP
BUFFER
Q292
Y
Z
X
Q211
15
BUFFER
Q293
4
WHD
15
16
17
LD
CLK
DI
1
2
5
3
Y0
Y1
Z0
Z1
Y
Z
AO1
AO3
AO5
AO6
AO7
AO8
AO9
U211 SELECTOR
AO1
AO3
AO5
AO6
AO7
AO8
AO9
U224
D/A CONVERTER
18
2
4
5
6
7
8
B.P.F.
5
2
+5V
4
+5V
R794
R795
25
YIN
CIN
BF GW
GAIN
TINT
VCXO
I
VCXO
OUT
11
+5V
R796
(TINT)
10
12
BUFFER
Q212
IGCK
C601
Y201
U202
CHROMA DIFFERENCE EDECODER
Q202-Q207
FL205
AMP
AMP
FL203
FL204
AMP
BIAS
Q216
Q284
Q285-Q287
Q281-Q283
U207 SWITCH
2
3
1
2
3
1
7
54
AO8
AMP
AO7
Q224
Q236
25
AMP
Q225
Q237
2
+5V
R799
4
+5V
R800
5
16
14
3
23
24
BLKIN
HDIN
CIN
RYIN
BYIN
COUT
YIN
BPGW
GAIN
SYNC
AMP
Q244
-Q247
BIAS
Q252
AMP
Q248-Q251
19
28
11
+5V
R801
R802
10
12
C602
Y202
RYO
BYO
TI
NT
VCXOI
VCXO
OUT
WHD
1
2
4
U212
+5VD
+5VD
+5V
REGULATOR
+5V
REGULATOR
+5V
REGULATOR
+5V
+5V
+5V
1
1
1
+5V
REGULATOR
+5V
REGULATOR
+5V
REGULATOR
+5V
+5V
+5V
1
1
1
+12
U242
U217
U213
U245
U232
U243
BUFFER
BUFFER
BUFFER
BUFFER
Q238
Q243
Q239
Q242
+5V
3
2
+
-
1
+
-
7
5
6
+5V
3
2
+
-
1
+
-
7
5
6
R806
R805
R807
R808
U233
(2
/4
)
U233
(1/
4)
U218
(1/
4)
U218
(2
/4
)
U206
SWITCH
7
U234 SELECTOR
13
12
1
2
14
15
X1
X0
Y1
Y0
Y
X
CB
A
9
11
10
AO8
24
1
3
5
7
U220 SWITCH
Q254
AO9
AO8
24
1
3
5
7
U221 SWITCH
Q262
AO9
AO8
24
1
3
5
7
U222 SWITCH
Q270
Q240
Q241
FL209
AMP
A01
A3
Y3
8
9
OE3
a
a
b
c
b
c
Q255
AMP
Q256-Q259
FL210
AMP
Q263
AMP
Q264-Q267
FL211
AMP
Q272-Q275
AMP
Q271
FL212
1
2
AO6
1
3
U244 SWITCH
+5V
AMP
Q294
7
3
U223
VCA
BIA
S
10
9
+
-
8
U218 (3
/4
)
+5V
A05
R809
R810
R811
Q253
1
2
4
U215
R804
U216
1
2
4
Q226
Q227
Q228
Q229
Q230
Q231
Q232
Q233
Q234
Q235
3
3
3
3
3
3
R797
AMP
Q214
FL207
R812
U214
CHROMA DIFFERENCE
DECODER
20
1
COMP IN
COMP2
109
COMP1
111
Y2
115
Y1
113
C1
117
C2
119
YCY IN
1
WHD
75
U1
U2
V2
V1
114
116
119
120
STRV
SCK
SDATA
119
111
115
P1
Q277
Q261
Q269
CLAMP
Q260
CLAMP
Q268
CLAMP
Q276
D4
D5
D6
D7
D0
D1
D2
D3
VIN
CLK
VRT
VRB
Q3
Q2
Q1
Q0
Q7
Q6
Q5
Q4
D3
D2
D1
D0
D7
D6
D5
D4
CP
U226
A
/D
CONVERTER
U252
D-FFs
D4
D5
D6
D7
D0
D1
D2
D3
VIN
CLK
VRT
VRB
D7
D6
D5
D4
D3
D2
D1
D0
VIN
CLK
VRT
VRB
U235 A
/D
CONVERTER
U229 A
/D
CONVERTER
REFERENCE
VOLTAGE
GENERATOR
+5V
1
7
Q288,Q289, U219
A0
B0
A1
B1
A2
B2
A3
B3
D0
D1
D2
D3
D4
D5
D6
D7
CP
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
OE
Y7A
Y6A
Y5A
Y4A
Y3A
Y2A
Y1A
Y0A
73
74
77
78
81
82
85
86
C7A
C6A
C5A
C4A
C3A
C2A
C1A
C0A
89
90
93
94
97
98
101
102
67
63
71
59
CADCLK
YADCLK
CSEL
CLAMP
24
28
+12V
+12V
36
40
+12V
+12V
2
3
4
5
6
7
8
9
11
19
18
17
16
15
14
13
12
D0
D1
D2
D3
D4
D5
D6
D7
CP
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
OE
2
3
4
5
6
7
8
9
11
19
18
17
16
15
14
13
12
12
9
7
4
A0
B0
A1
B1
A2
B2
A3
B3
Y3
Y2
Y1
Y0
1
1
2
1
10
9
13
12
3
8
11
42
+5V
U239
U238
U230
D-FFs
U227
D-FFs
U236
2 1 SELECTOR
U237
2 1
SELECTOR
7
8
9
10
3
4
5
6
5
4
3
2
9
8
7
6
11
16
17
18
19
12
13
14
15
2
3
5
6
11
10
14
13
7
8
9
10
3
4
5
6
2
3
5
6
11
10
14
13
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
a
i
b
j
c
k
d
e
f
g
h
l
m
n
o
p
P2
P2
P2
+12V
SF201
TO INPUT BOARD (2/2)
+12V
+12V
+5VD
+5VD
SF2
12
9
7
4
P2
P1
Y3
Y2
Y1
Y0
19
12
17
23
19
12
17
23
19
12
17
23
10
9
8
7
6
5
4
3
S
S
BLOCK DIAGRAM OF INPUT BOARD (1/2)
INUPT BOARD
1
3
P10
COMP IN
YCY IN
BUFFER
BUFFER
TP207
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
+5V
REGULATOR
+5V
REGULATOR
+5V
+5V
1
1
+12
U246
U247
3
3
TP208
TP209
TP210
U250(a)
BUS BUFFER
BUFFER
A01
1
A01
1
– 15 –