Sony ICF-DVD57TV Service Manual page 56

ICF-DVD57TV
IC1501 AN2546FH-AV
48 47 46 45
IIC BUS SYNC
SEPARATOR
RST 49 LOGIC
HHKILL
COM DC 50 DAC
DAC-OUT 51
DAC
Y-IN 52 CLAMP SWITCH
TRAP-OUT 53
Y DET 55
ACC DET 56 ACC DET
ACC
AMP
BPF
C-IN 57
VCC1 58
R-Y, B-Y DEMODULATOR
GND3 59
KILL DET 60 KILLER
APC DET 61 APC TINT
SCP-OUT 62
VXO1 63
VXO
VXO
GENERATOR
VXO2 64
1
56
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44 43 42 41 40
REGULATOR
VCO L/N
V SYNC PHASE
DROP COMP
VERTICAL
COUNT
SYNC
DELAY SHARPNESS
CUT
YUV
G-Y
GCA
SWITCH GENERATOR
REGULATOR
2 3 4 5 6 7
39 38 37 36
35 34
LOGIC LOGIC
F DET
GCA –
+
–
+
LIMIT
INVERT
GAMMA
–
CONTRAST
+
BRIGHT
MATRIX
OSD SWITCH
INTERNAL/
CLAMP
EXTERNAL
SWITCH
8 9 10 11 12 13 14 15
33
LOGIC
32
HD
31
VD
PWM
30 PWM
29 VCC3
VCOM 28 COMMON OUT
27 R-CH AVE DET
+
–
26 R-OUT
25 VCC2
24
AVE
23 GND1
22 G-CH AVE DET
+
–
21 G-OUT
20 B-CH AVE DET
+
–
19 B-OUT
18 BLAK
17 YS
16