- 26 -
5-1. BLOCK DIAGRAMS (3)
R DIGITAL
B1
A1 ( )
DIGITAL FRONT
END PROCESSING
CN4101
TO A BOARD
CN301
3.3V
RIGHT
LEFT
A1
A3
FBLK
A4
CVBS
A5
B
A6
G/C
A7
R/Y
A22
SCL (TV)
B22
SDA (TV)
A24
PTEN
A25
FE RESET
B25
FE LOCK
A26
SCL (N)
B26
SDA (N)
A28
PT CLK
B28
PT SYNC
A29
TS 6
B29
TS 7
A30
TS 4
B30
TS 5
A31
TS 2
B31
TS 3
A32
TS 0
B32
TS 1
LEVEL SHIFTER
Q4104
LEVEL SHIFTER
Q4105
13
12
11
10
9
8
CONT A
CONT D
I/PD
O/PD
O/PD
I/PD
2
3
5
6
O/PA
O/PA
CONT B
CONT C
Q4101
Q4102
IC4101
PLL 12C 5W
2
3
- (1)
+ (1)
7
6
5
OUT (2)
- (2)
+ (2)
RY4601
AC IN
AC IN
3
2
T4601
9
10
11
4
7
8
1
12
13
14
15
3
8
6
IC4102
RTC
IC4608
COMPARATOR
1
IC4603
ERROR AMPLIFIER
G
IC4606
+9V REGULATOR
I
IC4605
+5V REGULATOR
I
IC4604
+5V REGULATOR
I
IC4607
+3.3V REGULATOR
I
LED DRIVER
Q4103
RESET
VDD
SCL
LEVEL SHIFTER
Q4107
TU4101
5
SDA
LEVEL SHIFTER
Q4106
5V
1
2
9
8
3
IC4601
POWER SUPPLY
RED/Y
3
1
CN4103
TO N BOARD
TO A BOARD
CN601
2
1
2
4
GREEN/U
BLUE/V
FBLK
L DIGITAL
CN4104
5
Y DIGITAL/CVBS A
6
C DIGITAL
7
QSS
8
AM
13
AGC
15
CVBS A/D
1
2
3
4
5
Y 1
Y 0
Z 1
Z
Z 0
15
14
12
11
Y
X
X 0
A (X)
IC4104
A/D VIDEO SWITCH
10
9
B (Y)
C (Z)
1
14
15
16
TU4102
AGC
AGC
AGC
INVERTER
Q4118
INVERTER
Q4120
INVERTER
Q4119
3
4
5
X
Y
Z
IC4105 PORT EXPANDER
CN4601
IC4602
PHOTO COUPLER
+5V
+5V
+9V
+3.3V
TO B BOARD
CN8301
VIDEO
J701
TO A BOARD
CN003
IC701
R.G.B. DRIVE
6
5
1
3
G IN
CN703
C ( )
R.G.B. OUT
7
2
1
B IN
R IN
IK
NS CORRECT
1
2
3
5
9
8
7
IC1801
ROTATION AMP
1
2
3
7
6
10
8
9
3
6
CN1801
ROT (+)
ROT (-)
CN706
CN707
1
1
H2
G2
PICTURE TUBE
TO ROTATION COIL
CN8302
TO A1 BOARD
CN4103
IC8301
YUV SWITCH
1
2
Y IN
CN8301
B ( )
3
4
U IN
V IN
FBLK IN
1
2
3
4
11
10
9
6
5
3
2
1
U IN
TO A BOARD
CN002
7
V IN
Y IN
Y OUT
U OUT
V OUT
14
13
12
15
5
Y
X
X 1
X 0
A
B
C
Y 1
Y 0
Z 1
Z
Z 0
BUFFER
Q8303,8306
BUFFER
Q8302,8305
BUFFER
Q8304,8307
INVERTER
Q8301
Y, U, V, SWITCHING
9
CN8801
TO A BOARD
CN512
SWITCH
Q8802, 8803
IC8801
SMART MODE
DEFLECTION
Q8801
HDY-
SWITCH
SMART
2
8
+15V
D2 ( )
SMART MODE DEFLECTION
1
CN8802
TO D3 BOARD
CN2801
1
3
H- DY+
CN2802
D3 ( )
4:3 SWITCHING
4
5
H- DY-
H- DY-
V- DY-
Q2801,2802
2
H- DY+
6
V- DY+
TO A BOARD
CN501
1
3
H- DY+
CN2803
4
5
H- DY-
H- DY-
V- DY-
2
H- DY+
6
V- DY+
CN2801
TO D2 BOARD
CN8802
T2801
+8V
6
8
10
5
4
2
1
RY2801
DY ASSY
V DY
V- DY+
V- DY-
H DY
H- DY+
H- DY-
SW
6
7
2
IC7150
RECEIVER
2
1
LED
TO A BOARD
CN405
H8 ( )
IR
RECEIVER
CN7150
SIRCS
+5V STBY
STBY 5V