Sony HCD-VX88 - Page 58

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
50µA
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