– 35 –
PWRN
SY
PWRN
LPF
CLAMP
PB Y
AMP
AMP
Q126-Q128
L80,L81
C691-C693
Q129,Q130
BUFFER
BUFFER
BUFFER
8
2
16
10
3
4
ID
A1
A2
Q
Q2
1
9
d
10
11
e
Q133
Q131
IC123
IC123
Q176
IC125
SYNC SEP
IC130
SELECTOR
IC123
IC126(a)
MONOSTABLE
MULTIVIBRATOR
IC34
HIGH SPEED
A/D CONVERTER
IC126(b)
MONOSTABLE
MULTIVIBRATOR
IC123
a
a
c
a
b
a
e
f
b
VIDEO
HIN
SYNC OUT
HOUT
VS
XIN
XOUT
6
4
5
1
5
FSSEL5
FSSEL4
FSSEL5
0
1
7
6
Q177
X16
IC124
IC124
Q139
Q137
Q138
Q134-Q136
IC128
VR34
(C PHASE)
Q197-Q201
IC124
IC128
Q178
IC124
IC124
IC128
FSSEL4
1
1
2
5
6
2
1
2
3
3
4
BIAS
BUFFER
C PHASE
CONTROL
4
5
6
b
IC3
1
2
3
b
VR23
(Y/C C GAIN)
AMP
AMP
PBC
SC
SVBS
V4
BPF
LPF
L82,L83
C706,C707
Q140-Q142
VR33
(VBS Y GAIN)
VR29
(Y GAIN-4)
VR9
(C PHASE-4)
IC131 SELECTOR
VR1
(TIMING-1)
AMP
PBVBS
AMP
AMP
BUFFER
IC177
SELECTOR
1
5
0
1
7
6
Q144
BUFFER
Q61
Q60
BUFFER
Q143
BUFFER
Q55
Q59
IC26
IC26
Q202,L103,L104
C889,C890
Q56-Q58
Q204-Q206
IC26
From
Switch
Board
(1/3)
From
Switch
Board
(2/3)
From
Switch
Board
(1/3)
From
Switch
Board
(2/3)
L30,L31
C286-C288
VIN
IC27 COMB FILTER
D0-D7
C0-C7
CLK
COMB/BPF
17
46
33-40
CC0-CC7
25-32
45
DD0-DD7
RST1
3
11
10
13
12
4
7
9
12
13
12
11
AWPLLHD
d
B.P.F.
C PHASE
CONTROL
1
2
f
13
12
IC26
e
11
10
A
2
3
5
6
1
GLBSC
WSYNC
VP
FSSEL4
B
A
B
S
IC132
SELECTOR
1
0
1
7
6
FSSEL5
FSSEL4
5
IC157 SELECTOR
IC2(a) D-FF
CN1
CN1
(IC1)
(IC1)
IC1
MONOSTABLE MULTIVIBRATOR
1
WSYNCE
7
6
4
11
14
2
0
1
5
Y
Y
4
7
A1
Q1
d
9
6
9
8
VR2
(TIMING-2)
B2
Cx2/Rx2
Cx1/Rx1
2
4
D
3
CK
Q
6
SET
Q2
VINA
VINB
DA0-DA7
CLK
DB0-DB7
45
40
IC39
VIDEO SIGNAL PROCESSOR
IC142
GATE ARRY LOGIC
IC148
D-RAM
IC50
VIDEO SIGNAL PROCESSOR
IC143
GATE ARRAY LOGIC
A
S
1
B
A
B
Y
Y
21-28
DB0-DB7
CC0-CC7
DD0-DD7
10-16
DA0-DA7
30
CIA0E-CIA7E
CIA0-CIA7
DOA0-DOA7
57-64
DOE0-DOE7
DOB0-DOB7
YIA0E-YIA7E
YIA0-YIA7
BUFFER
Q62
LPF
AMP
AMP
L35,L36
C308-C310
33-40
152-159
CIB0E-CIB7E
25-32
142-149
45
150
YIB0E-YIB7E
BUFFER
Q163
Q69,Q70
IC33
IC33
Q64
VR30
(Y GAIN-5)
VIN
IC30 COMB FILTER
IC35-38
SELECTOR
D0-D7
C0-C7
CLK
COMB/BPF
a
VR12
(C PHASE-5)
Q207,L105,L106
C891,C893
Q65-Q68
Q208-Q210
IC33
X6,Q71
D17,D18
B.P.F.
C PHASE
CONTROL
1
2
140
138
17
46
13
12
f
11
10
MDEC1C
CPUWR
e
BUFFER
Q75
From
Switch
Board(1/3)
LPF
AMP
AMP
L45,L46
C420-C422
33-40
122-129
CIA0F-CIA7F
25-32
103-108
111,112
45
113
YIA0F-YIA7F
BUFFER
Q76
Q82,Q83
Q77
VR31
(Y GAIN-6)
VIN
IC42 COMB FILTER
D0-D7
C0-C7
CLK
COMB/BPF
a
VR14
(C PHASE-6)
Q211,L107,L108
C897,C898
Q78-Q81
Q212-Q214
IC45
B.P.F.
C PHASE
CONTROL
1
2
99
97
17
46
GLBSCB
BSCF
WSYNCF
CIB0-CIB7
YIB0-YIB7
ADCKB
VPINB
WSYNCE
BSCE
113
122-129
103-108
111,112
99
93
ADCKA
GLBSCA
BFA
4
7
MDEC2C
CPUWR
4
7
CHSL
WE
AN0-AN3
AN0-AN3
DB0-DB7
DB0-DB7
CIA0-CIA7
YIA0-YIA7
ADCKA
GLBSCA
VPINA
CHSL
WE
18-21
8-10,13-17
AD0-AD3
AD0-AD3
DB0-DB7
DB0-DB7
W4FSCA
WSCOA
FHAA
BWLA
W4FSCB
WSCOB
FHAB
BWLB
SCINA
SCOUTA
SCUA
SCDA
SCINB
SCOUTB
SCUB
SCDB
WFCKA
WFCKB
CLR
W4FSCA
WSCOA
FHAA
BWLA
W4FSCG
WSCOG
FHAG
BWLG
W4FSCG
WSCOG
FHAG
BWLG
W4FSCB
WSCOB
FHAB
BWLB
W4FSCH
WSCOH
FHAH
BWLH
W4FSCH
WSCOH
FHAH
BWLH
SCINB
SCOUTB
SCUB
SCDB
WFCKA
WFCKB
CLR
18-21
8-10,13-17
AD0-AD4
DB0-DB7
V5
V6
10
IC45
IC45
13
11
12
BSCG
f
WSYNCG
BUFFER
Q84
LPF
AMP
AMP
L50,L51
C458-C460
33-40
152-159
CIB0F-CIB7F
25-32
142-149
45
150
YIB0F-YIB7F
BUFFER
Q85
Q91,Q92
Q86
VR32
(Y GAIN-7)
VIN
IC46 COMB FILTER
D0-D7
C0-C7
CLK
COMB/BPF
a
VR16
(C PHASE-7)
Q215,L109,L110
C900,C901
Q87-Q90
Q216-Q218
IC49
B.P.F.
C PHASE
CONTROL
1
2
140
138
17
46
WSYNCH
CIB0-CIB7
YIB0-YIB7
ACKB
GLBSCB
VPINB
V7
IC49
IC49
13
12
BSCH
f
e
10
11
31-38
DOF0-DOF7
71
W4FSCE
WSCOE
FHAE
BWLE
W4FSCF
WSCOF
FHAF
BWLF
68
65
98
56
55
50
139
VCO
116
115
118
119
X7,Q72
D19,D20
IC135
VCO
24
23
26
27
66
51
86
R4FSC
SRESET
A REFCLK
A W4FSC
A WFSC
A WFHA
A BSCDET
A WPLLHD
SRESET
SRESET
MDEC1C
MDEC2C
MWB1CS
MWB2CS
MDEC1C
MDEC2C
MWB1CS
MWB2CS
CPUWR
CPUWR
201-208
WSYNCE
BSCE
226-233
193
189
A YCIN0-YCIN7
A WSYNC
A GLBSC
184
185
AWPLLHD
MWB1CS
188
194
190
198
B YCIN0-YCIN7
B WSYNC
B GLBSC
219
225
237
236
223
220
224
B REFCLK
B W4FSC
B WFSC
B WFHA
B BSCDET
5
17
156
176
C WFLD
D WFLD
11
c
12
AD4
13
IC127
4
1
2
94
93
95-98
AD0-AD3
81-88
PA0-PA3
PA4
PCSN
PD0-PD7
PWRN
ID
WSYNCF
BSCF
92
191
RWRN
SEPAID
AD0-AD8
MA0-MA15
MB0-MB15
MC0-MC15
YO0-YO7
CO0-CO7
RSYNC
R13M
124-131
133
16-20
23-28
157-161,163
165-174
135-146,148
152-154
99-105,107,109-116
D1
|
D8
Q1
|
Q8
2-5,7-10
33-36,38-41
A0-A8
I/O0-I/O15
UCAS
LCAS
RAS
WE
OE
119
123
118
117
30
31
14
13
29
IC149
D-RAM
16-20
23-28
2-5,7-10
33-36,38-41
A0-A8
I/O0-I/O15
UCAS
LCAS
RAS
WE
OE
30
31
14
13
29
IC150
D-RAM
16-20
23-28
2-5,7-10
33-36,38-41
A0-A8
I/O0-I/O15
UCAS
LCAS
RAS
WE
OE
30
31
14
13
29
CAS
RAS
WE
OE
X21,Q231,D63,C278(SC LOCK-2)
IC144 D-FF
IC122
VCO
RSCIN
RSCO
RSCOUT
47
45
48
CLK
12-19
Q110
R
NETWORK
D/A CONVERTER
Q111
Q114(a)
Q116
To
Switch
Board
(2/3)
Q115,Q171
Q114(b)
Q104
R
NETWORK
D/A CONVERTER
MIX
MIX
2-9
66-73
VR20
BORDER-2
VR35
BURST-2
4 11
2
65
51-58
61
BUFFER
BUFFER
BUFFER
Q107
BUFFER
PBVBS
BUFFER
IC65
SELECTOR
1
7
6
0
1
5
IC63
SELECTOR
1
7
3
5
1
2
3
SW1
SW2
2
4
TY
IC62
SELECTOR
1
7
3
5
1
2
3
SW1
SW2
2
4
TVBS
IC64
SELECTOR
1
7
3
5
1
2
3
SW1
SW2
2
4
TC
IC66
SELECTOR
1
7
3
5
1
2
3
SW1
SW2
2
4
SPTSEQ
FSSEL3
To/From
Switch
Board(1/3)
Q108
BUFFER
PBY
Q109
BUFFER
PBC
FSSEL1
RSYNC2
FSSEL1
FSSEL2
COSD0-COSD7
OSDCS
OSDSCK
OSDSEL
HSYNC
SPOT1
AMP
Q229,Q230
Q106(a)
BUFFER
Q106(b)
RSYNC2
C QYRB0-QYRB7
D QYRB0-QYRB7
MA0-MA7
PA0-PA4
AD0-AD4
PD0-PD7
B FLD0
A FLD0
RWRN
A YCIN0-YCIN7
PCSN
MB0-MB7
A W27MO
B W27MO
MA8
MA9
MB8
MB9
RXSYNC
AWSYS
BWSYS
IDON
IDEQ
IDON
IDEQ
CQVST
CQHST
DQVST
DQHST
CW27M
DW27M
79
80
76
75
WSYS4
WSYS5
36
33
34
REXHIL
RXSYNC
RVCOD
RCOIN
RCOOUT
A WCOIN
A WCOOUT
A WVCOD
B WCOIN
B WCOOUT
B WVCOD
R4FSC
R4FSC
X21,Q234,D69,
C483(H. LOCK-2)
VCO
Q232,D64,D65
VCO
195
196
199
Q233,D66,D67
VCO
214
215
217
63
38
50
L121
(PLL DC-4)
L122
(PLL DC-5)
RSYNC
To/From Switch
Board(2/3)
To/From
Switch Board(1/3)
7-14
19-26
15
16
27
28
6
18
167-174
166
165
142
141
175
155
38
143-146,148,
152-154
RESET
AEN
BEN
A WCOIN
A WCOOUT
A WVCOD
B WCOIN
B WCOOUT
B WVCOD
AWSYS
BWSYS
SRESET
Q236,D72,D73
VCO
195
196
199
Q237,D74,D75
VCO
214
215
217
77
187
234
L123
(PLL DC-6)
L124
(PLL DC-7)
RSYNC2
79
80
WSYS6
WSYS7
SCINA
SCOUTA
SCUA
SCDA
DOA0-DOA7
DOB0-DOB7
X8,Q93
D25,D26
VCO
116
115
118
119
MWB2CS
94-98
81-88
93
PWRN
92
201-208
57-64
DOG0-DOG7
A WSYNC
A GLBSC
A REFCLK
A W4FSC
A WFSC
A WFHA
A BSCDET
B YCIN0-YCIN7
B WSYNC
B GLBSC
B REFCLK
B W4FSC
B WFSC
B WFHA
B BSCDET
184
185
188
193
189
WSYNCG
BSCG
194
190
71
68
65
98
31-38
DOH0-DOH7
226-233
219
225
237
236
WSYNCH
BSCH
56
55
50
139
223
220
224
X9,Q94
D27,D28
VCO
24
23
26
27
66
51
86
R4FSC
ID
SRESET
IC67
SELECTOR
1
0
1
7
SPOT1
WSYS4-WSYS7
6
5
17
16
15
13
12
11
9
8
7
6
5
4
3
2
OSDSEL
OSDCS
OSDSCK
OSDAD0
OSDAD1
OSDAD2
OSDAD3
OSDAD4
OSDAD5
OSDAD6
OSDAD7
SEQ/SPOT
CAMSW SPOT
RESET
TO
MAIN BOARD
...CN103
1G
2G
2,4,6,8,11,13,15,17
OSDAD0-OSDAD7
IC151
BUFFER
IC69
ON SCREEN DISPLAY
3,5,7,9,12
14,16,18
COSD0
|
COSD7
COSD0-COSD7
AD0
|
AD7
CS
SCK
OSCIN
OSCOUT
CVIDEO
CVIN
HOR
IC70
SELECTOR
A
B
A
B
SEL
Y
Y
4
7
2
3
5
6
1
SEQ/SPOT
CAMSW SPOT
RESET
22
32
1,19
31
21
12
15
16
X12
CN103
Q123
To Switch
Board(2/3)
To
Switch
Board
(1/3)
BUFFER
Q120
BUFFER
IC68(a)
CLAMP
1-8
AMP
Q117-Q119
FSSEL1
From Switch Board(1/3)
SWITCH BOARD (3/3)
SWITCH SUB BOARD
BLOCK DIAGRAM OF SWITCH BOARD (3/3)
VR22
(Y/C Y GAIN)
FSSEL5
RSYNC2
191
SEPAID
SRESET
77
187
234
RESET
AEN
BEN
e
TP36
(SC LOCK-2)
TP39
(H. LOCK-2)
TP73(TIMING)
5,6
19,20
9,10
7,8
2,3