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58
IC103 CXA2568M-T6
APC PD AMP
APC LD AMP
RF SUMMING AMP
RF EQ AMP
FOCUS ERROR AMP
TRACKING
ERROR AMP
VC BUFFER
VCC
50
µ
A
VEE
VEE
VC
VC
VC
VC
VC
VC
VC
VC
VC
VC
VCC
VEE
VCC
VEE
VEE
VC
VCC
LC/PD
LD ON
HOLD SW
AGC CONT
RFTC
RF I
RF O
RFE
TE
FE
RF BOT
HOLD
AGC VTH
LD
PD
A
B
C
D
VEE
F
E
VC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
+
–
+
–
+
–
+
–
+
–
+
–
+
–
VCC
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
6
5
1
2
3
4
7
8
TINT
GND
BGP
V OUT
COLOR OFFSET
COLOR
V IN
V+
HUE ADJUST
–X
+Ø
SATURATION
ADJUST
(COLOR BURST)
SATURATION
ADJUST
(COLOR BURST)
– VIDEO Board –
IC302 NJM2255M
IC303 NJM2209M
6
5
1
2
3
4
7
8
14
N.C
GND
PHASE
DELAY
N.C
N.C
FREQUENCY
CHARACTERISTIC
COMPENSATION
VIDEO
OUTPUT
N.C
DIFFERENTIATION
INPUT
V+
CONTROL
N.C
DIFFERENTIATION
OUTPUT
11
VIDEO
INPUT
12
10
13
9
SECONDARY
DIFFERENTIATION
GAIN ADJ
LPF
LOWER
LIMITER
(1)
LOWER
LIMITER
(2)
SWITCH
CONTROL
CLAMP
SYNC
CHIP