Sony XVM-R70 Service Manual page 55

• IC BLOCK DIAGRAMS
IC500 AN2546FH-AV
48
49 LOGIC
PONRST
IICBUS
50 DAC
COMDC
51 DAC
SECAM BLACK ADJ
52 CLAMP
YIN
53 SW
CTRAP OUT
54
CTRAP IN
SYNC
CUT
Y DET 55
SHARPNESS
ACC
56
ACC DET
DET
57 BPF
C IN
VCC1 58
59
GND3
60
KILL DET
61 APC LOGIC
APC DET
62
SC OUT
VXO
GENE
VXO-NTSC 63
VXO
VXO-PAL 64
1 2
IC350 TA2061AF
16
1
47 46 45 44 43
SYNCSEPA VCO
VSYNC
HHKILL
DROP
VERT.
COUNT
DELAY
GCA
ACC
R-Y,B-Y
AMP
DEMOD
YUV
GCA
SW
KILLER
3 4 5 6
15 14 13
LEVEL
VREF
DET
AGC
AGC
LEVEL
O.S.M
DET
2 3 4
42 41 40 39 38
REG
LOGIC
LOGIC
I/N
PHASE
F
COMP DET
G-Y
MATRIX
GEME
INT/EXT
SW
REG
7 8 9 10 11
12 11
PRE
EMPHASIS
LOUT=L+K•(L-R)
ROUT=R-K•(L-R)
PRE
EMPHASIS
5 6
37 36 35 34
LOGIC
PWM
VCOM
INVERT LIMIT
GAMMA
CONTRAST
BRIGHT
OSD
SW
CLAMP
12 13 14 15 16
10 9
VCO BUFFER
VCO BUFFER
7 8
XVM-R70
33
32 HDOUT
31 VDOUT
30 PWM OUT
29 VCC3
28 VCOM OUT
27 R-OUT DET
26 R-OUT
25 VCC2
24 VREF DRIV
23 GND1
22 G-OUT DET
21 G-OUT
20 B-OUT DET
19 B-OUT
18 BLAK
17 YS
11