Sony STR-DE997 Service Manual page 48

STR-DE997
IC3641 NJM2267M(TE2) (VIDEO BOARD (2/2))
8
1
IC3601 CXD2064Q (VIDEO BOARD (2/2))
FIN 37
CKSL 38
PLSL 39
MCKO 40
ADCK 41
CPO 42
PLVS 43
VCV 44
PLVD 45
CLVD 46
CLPEN 47
CLVS 48
1
48
7 6 5
6.2dB 75Ω
AMP DRIVER
75Ω
6.2dB
DRIVER
AMP
2 3 4
36 35 34 33 32
4fsc
PHASE
COMPARATOR
1/2 1/4
VCO
NTSC: 1H
A/D
PAL : 2H
CLAMP
LOGICAL OPERATION
2 3 4 5 6 7
31 30 29 28 27
VERTICAL CONTOUR
ACCENTUATION CIRCUIT
NTSC: 1H
PAL : 2H
+
+
DL
–
ADAPTIVE
FILTER
OPERATION
D/A
8 9 10 11 12
26 25
24 DTR
23 PNR
22 VEH1
21 VEH2
20 VEH3
19 MOD1
18 DVSS
17 MOD2
16 DVDD
+
+
D/A
–
15 TEST
14 VB
13 IRF