Lc75721E Terminal Function - Denon AVR-3803 Service Manual

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3 7 63 1515 0
TC90A69F (VI: IC109)
28 27 26 25 24
DAC DAC
(8fsc)
CORING
PEAKING
INTERPOLATION
1 2 3 4 5
LC75721E (CO: IC101)
48
49
DI
CL
CE
RES
V
DD
OSCI
OSCO
Vss
TEST
TE
L 13942296513
V
FL
G1
G2
G3
G4
G5
G6
64
1
TA1270BF (VI: IC111)
38 37 36 35
DAC2 Y OFFSET DAC
SW TEST
DAC1 39
DAC1 SUB-
Y INPUT 40
CONTRAST
PEDESTAL
DAC Vcc (5V) 41 CLAMP
fsc
Y DL
C Vcc (5V) 42
TRAP
UV/CbCr SW 43
SYSTEM
fsc OUTPUT 44
fsc
1H DL
1HDL CONT 45
CONTROL
SECAM
SECAM CONT 46
LPF / fsc
CONTROL
TRAP
B-Y/Cb OUTPUT 47
CbCr / UV BPF
SW
R-Y/Cr OUTPUT 48
VCXO
www
1 2 3 4
.
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23 22 21 20 19 18 17
PLL DET VCO 1/2
8fsc 4fsc
1/8
CORING V-ENHANCER
Ped.
LPF DELAY
CLIP
LINE
MEMORY MEMORY
KILLER
CNR
DYNAMIC COMB FILTER
C-N.C
ADC
Sync. Clamp
6 7 8 9 10 11 12

LC75721E Terminal Function

Symbol
33
V
DD
Vss
32
AM 17
V
FL
AM 18
AM 19
DI
AM 20
AM 21
CL
AM 22
AM 23 CE
AM 24
AM 25
AM 26 OSCI
AM 27
OSCO
AM 28
AM 29
RES
AM 30
AM 31
AM1~AM35
AM 32
17 AA1~AA3
AA4/G16
16
AA5/G15
AA6/G14
AA7/G13
AA8/G12
G1~G11
TEST
34 33 32 31 30 29 28 27 26 25
2
I C BUS PEDESTAL PEDESTAL
Ys
CONTROL CLAMP CLAMP
HI: 20h/LOW: 24h
Y DL
OFFSET
SW
SW
YUV RGB
SW
MATRIX
CW
TINT
MATRIX
DEMO
P / N ID
CP / HP
CHROMA NOSE
BLK DET
SW
V SEP H. AFC H C / D V C / D
TOF
APC
32fH
SYNC
ACC VCO
SEP
SUB-COLOR
5 6 7 8 9 10 11 12 13 14
x ao
y
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8
NJM2274R (VI: IC110)
16 15
IIC BUS
LINE
Yin 1
Clamp
Disc.
Cin 8 Bias
13 14
Function
Power terminal +5V
Power terminal GND
Power terminal FL drive
Serial data transfer terminal
DI: Data
CL: Clock
CE: Chip enable
Q Q
3 6 7 1 3
External CR connecting terminal
System reset terminal
Anode output terminal
Anode/Grid output terminal
Grid output terminal
LSI test terminal
TA8772AN (VI: IC501)
Except U.S.A., Canada & Japan model
30 29 28
Clamp Clamp
24 SW GND
1 1
× × × ×
1 or 1 or
23 ADRS SW 2 2
Pulse
R-Y/R
22 Insertion
OUTPUT
Pulse Pulse
Elimination Elimination
B-Y/B
21
SW
OUTPUT
+
Y/G
20
OUTPUT
SW
19
Vcc (9V)
+
SYNC
18
Vcc (9V)
CP/HP
17
INPUT
IN
16 Dig GND
SCP
15
SCP
OUTPUT
1 2 3
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.
AVR-3803/1083/AVC-3570
2 9 9 4 2 8
1 8
2 TOP 7
VIEW
3
6
4 5
Power Save CTL Vcc
7 2
Vref
+
+
7 2
C Mute CTL GND
BU2090F (CO: IC103)
CONTROL CIRCUIT
Vss 1
DATA 2
12-bit SHIFT REGISTER
CLOCK 3
12-bit STRAGE REGISTER
LCK 4
Q0 5
1 5 0 5 8 2 9 9 4
OUTPUT BUFFER (OPEN DRAIN)
Q1 6
Q2 7
Q3 8
Q4 9
27 26 25 24 23 22 21 20
LPF LPF
AGC AGC
Pulse
AGC
Insertion
Detector
Clamp Clamp
AGC
Detector
1/225
Pulse 225f H
Clock
Detector
HG. GP VCO
m
4 5 6 7 8 9 10 11
co
9 9
3 Vout
750
ohm
4 Vsag
18 V
DD
17 OE
16 Q11
15 Q10
14 Q9
2 8 9 9
13 Q8
12 Q7
11 Q6
10 Q5
19 18 17 16
REF REF
S / H S / H
CCD 1H CCD 1H
Average
Bias
12 13 14 15
35