54
STR-DE898/DE998
IC400 uPC2581V-S (MAIN BOARD (2/3))
IC500 uPC2581V-S (MAIN BOARD (2/3))
IC600 uPC2581V-S (MAIN BOARD (3/3))
IC700 uPC2581V-S (MAIN BOARD (3/3))
PROTECTOR
DRIVE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
+VOUT1
MUTE
–VOUT1
NF1
COMP1
COMP2
IN1
GND
IN2
NF2
–VOUT2
+VOUT2
VCC
VCC
VEE
DRIVE
IC3721 TDA4665T/V5-118 (VIDEO BOARD (2/2)) (Except US, CND model)
16
15
14
12
13
11
10
9
LP
VI(R-Y)
N.C.
VI(B-Y)
N.C.
V
0
(B-Y)
V
0
(R-Y)
GND1
VP1
1
2
3
5
4
6
7
8
VP2
N.C.
GND2
I.C.
SAND
N.C.
I.C.
I.C.
LP
ANALOG
SUPPLY
SAMPLE-
AND-
HOLD
SANDCASTLE
DETECTOR
FREQUENCY
PHASE
DETECTOR
SIGNAL
CLAMPING
LINE
MEMORY
6MHz
CCO
DIVIDER
BY 2
DIVIDER
BY 192
SIGNAL
CLAMPING
LP
SAMPLE-
AND-
HOLD
LINE
MEMORY
DIGITAL
SUPPLY