39
40
41
42
TO A BOARD
CN115
CN1815
CLP SW
Q1805
LPF
LPF
FL1801
LPF
3
7
9
15
0.83VPP
0.82VPP
CLP
B ( )
A/D, D/A CONVERTER, DIGITAL NOISE
REDUCER, CRT DRIVER,
DEFLECTION PROCESSOR
IC1801
MAIN A/D CONVERTER
0.72VPP
17
16
14
CLK
HREF
CEN
19
~
22
24
~
31
IC1803
FIELD MEMORY
23
22
80
~
77
9
~
2
24
~
27
28
~
35
80
~
77
IC1809
DIGITAL NOISE
REDUCE ZOOMING
26
.
75
.
72
~
67
28
~
35
24
~
27
29
~
32
.
35
~
38
25
~
28
RST
SCL
RESET
SCL
SDA
1
9
2
SDA
IC1809
DIGITAL NOISE
REDUCE ZOOMING
18
~
25
13
~
16
56
36
32
39
30
40
31
38
28
23
23
23
CEN
IC1824
+5V REG
1
2
REG
+8V
SCL
SDA
IC1814
CONTROLLER
3
39
11
13
35
21
22
37
20
15
5V
REG
1
0
REG
3
14
16
4
3
14
16
4
33
13
9
1
2
4
4
RESET SW
Q1804,1809
25
~
32
LPF
FL1803
VM AMP
Q1801,1812
VM OFF SW
Q1802
38
IC1816
SOFTWARE
4
10
23
23
15
27
9
8
16
11
13
2
43
~
36
23
23
23
1
3
CN1810
Y50M
U50M
V50M
SCP50M
7
5
8
6
HAM
VP50M
TO A BOARD
CN310
23
23
TO A BOARD
CN2012
IC403
DEFLECTION PROCESSOR
4
5
6
8
15
29
21
22
12
26
11
28
35
IC402
CRT DRIVER
6
4
8
22
20
13
14
27
28
24
2
3
7
1
2
3
1
3
CN412
R TXT
G TXT
TXT BLK
SCP50M
7
5
8
6
HAM
VP50M
B TXT
5
CUT-OFF
D410,Q415,416
19
+8V
15
IC1825
FREE RUN PLL
IC1815
DISPLAY
PLL
IC1812
MAIL PLL
+8V
WE1
WC1
D0
D7
UV0
UV3
D4
D11
D3
D0
Q4
Q11
Q0
Q3
YA0
YA7
UVA3
UVA0
Q1810
WC1
Q1808
V100
H100
P33
P00
P07
P12
YUV0
YUV7
UV3
UV7
YB0
YB7
UVB0
UVB3
Y0-Y7
Y0-Y7
V0,V1,U0,U1
V0,V1,U0,U1
Y0-Y7
V0,V1,U0,U1
SDA
0.64VPP
UREF
SCL
YUV0
YUV7
CLL
SCA
RC
UV4
UV7
1.05VPP
1.3VPP
HS
RES
VS
BLN
SWC1
VACQ
HRA
LLA
HRDFL
LLDFL
WE2
BLND
ALE
WRD
HDFL
VDFL
PO
P7
SRC1
RST
DA
CL
RST
CEN
SDA
SCL
ALE
WRN
RON
V-PULSE
P27
X1801
10MHz
D415
BLK TXT
TXT BLK
SDA
SCL
SDA
SCL
RXD
TXD
PIO
P23
SDA
SCL
VM OFF
0.31VPP
1.05VPP
1.3VPP
R2
G2
B2
FSW1
SCP
FSW2
ABL
IK
B
G
R
IK
B
G
R
X401
24.576MHz
1
CN419
6
3
2
CN417
20
SCLK
SDAT
SCP
VSYNC
HSYNC
RESN
HPROT
VPROT
ABL
HD
VD+
VD-
E/W
2
10
14
12
1
11
3
5
6
8
TO D BOARD
CN0743
SDA
SCL
6
6
4
2
STANDBY SW
Q703
6
C
(RGB OUT)
RV702
H STAT
8
CN0403
R
TO D BOARD
HV (T805)
IK
G4
R
HV
1
POWER ON
SWITCH
D707, Q705
+12V
RCV
G
5
9
3
1
8
VB
VOF
IK
VO
VI
5
9
3
1
VB
VOF
IK
VO
VI
IC705
VIDEO OUT (RED)
IC704
VIDEO OUT (GREEN)
5
9
3
1
VB
VOF
IK
VO
VI
IC703
VIDEO OUT (BLUE)
STANDBY SW
Q702
STANDBY SW
Q701
VOLTAGE DET
Q704, 706
+12V
PEAK LIM
3
FV
TO D BOARD
FV (T805)
J701
LIMITER
SWITCH
D720-722, Q707
RV701
G2
G2
3
H1
5
H2
6
H2
5
H1
4
G2
1
V901
PICTURE TUBE
CN0421
TO D BOARD
CN0521
2
G
B
1
9
10
13
8
8
7
8
8
8
BLOCK DIAGRAM (5)
BLOCK DIAGRAM (6)
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