Denon AVC-A1SR, Service Manual

Page: 36 / 212

36
AVR-5803/AVC-A1SR
EPM3128A (IC611) 64M SDRAM (TSOP) (IC806, 906)
TC9459N (IC941, 951, 961, 971)
L-LD1
8
L-ch7 to 91decoder
R-ch latch circuit
R-ch7 to 91decoder
10
19
22
2
3
4
5
6
7
9
13
14
28
27
26
24
23
21
20
17
16
15
1
NC
L-OUT
NC
L-IN
L-LD2
L-A-GND
NC
GND
CK
V
SS
V
DD
NC
R-OUT
R-LD1
R-LD2
R-A-GND
NC
CS2
NC
STB
DATA
R-IN
50kW/
91STEP
VR
Same as L-ch
L-ch latch circuit
Shift register (24Bit)
Level shift circuit
1
2
3
4
5
6
7
8
14
13
12
11
10
9
16
15
28
27
26
25
24
23
22
21
20
19
18
17
11
CS1
12
NC
18
NC
25
NC
37
72
109
144
73
108
36
1
TOP VIEW
Usable gates 2,500
Macrocells 128
Logic array blocks
8
Maximum user 96
I/O pins
t
PD
(ns) 5.0
t
SU
(ns) 3.3
Feature
TC94A17F
(IC303, 304, 311, 312, 319, 320, 327, 328)
TRIM VR
0~+24dB/
1dB step
MVR-A-GND
V
SS
TVR-REF
TVR-IN
MVR-OUT
MVR-IN
NC
CS1
CK
TVR-OUT
GND
NC
V
DD
TRIM VR
0~+24dB
/1dB step
1
8
2
3
9
4
12
11
10
24
MAIN VR
0~
-
95dB/
0.5dB step
6
7
5
MAIN VR
0~
-
95dB/
0.5dB step
17
23
22
16
21
13
14
15
19
18
20
MVR-A-GND
TVR-REF
TVR-IN
MVR-OUT
MVR-IN
NC
CS1
CK
TVR-OUT
GND
NC
Vcc Vss
DG0 DQ15
VccQ VssQ
DQ1 DQ14
DQ2 DQ13
VssQ VccQ
DQ3 DQ8
DQ4 NC
VccQ Vss
DQ5 DQM1
DQ6 NC
VssQ NC
DQ7 CLK
NC DQ8
Vcc NC
DQM0 Vss
Vcc DQM1
WE NC
CAS NC
RAS A9
CS CKE
NC A8
BS0 A7
BS1 A6
A10/AP A5
A0 A4
A1 A3
A2 DQM3
DQM2 Vss
Vcc NC
NC DQ31
DQ16 VccQ
VssQ DQ30
DQ17 DQ29
DQ18 VssQ
VccQ DQ28
DQ19 DQ27
DQ20 VccQ
DQ21 DQ26
DQ22 DQ25
VccQ VssQ
DQ23 DQ24
Vcc Vss
1 87
2 86
3 85
4 84
5 83
6 82
7 81
8 80
9 79
10 78
11 77
12 76
13 75
14 74
15 73
16 72
17 71
18 70
19 69
20 68
21 67
22 65
23 64
24 63
25 62
26 61
27 60
28 59
29 58
30 57
31 56
32 55
33 54
34 53
35 52
36 51
37 50
38 49
39 48
40 47
41 46
42 45
43 44
1
BIAS
VB1
2
VRT
27
COUT
3
VDD1
26
VS
S1
4
TESTI1
25
Y
OUT
5
VS
S2
24
VB2
6
VRB
23
PD
7
Y
CIN
22
FIL
8
TEST
21
VS
S4
9
KILLER
20
VDD4
10
TESTI2
19
FSC
11
VDD3
18
TESTOUT
12
VS
S3
17
MODE1
13
VDD2
16
SDA
14
TESTI3
15
SCL
CORING
PEAKING
DAC
1/8
(8fsc)
8fsc 4fsc
DAC
IIC BUS
28
PLL DET 1/2 VCO
Ped.
CLIP
LPF DELAY
CNR
C-N.C
CORING V-ENHANCER
KILLER
DYNAMIC COMB FILTER
Sync. Clamp
ADC
LINE
MEMORY
LINE
MEMORY
INTERPOLATION
TC90A69F (IC603)
39
40
41
42
43
44
45
46
47
48
1
DAC1
Y INPUT
DAC Vcc (5V)
C Vcc (5V)
UV/CbCr SW
fsc OUTPUT
1HDL CONT
SECAM CONT
B-Y/Cb OUTPUT
R-Y/Cr OUTPUT
4.43MHz
X’tal
2
M-
X’tal
3
3.58MHz
X’tal
4
APC
5
C GND
6
CHROMA
OUTPUT
7
V-SEP
8
SYNC.
INPUT
9
SYNC.
OUTPUT
10
AFC
FIL
TER
11
SYNC.
GND
12
32fh VCO
13
VD
OUTPUT
14
HD
OUTPUT
38
DAC2
37
Y OUTPUT
36
GND
35
DAC TEST
34
SDA
33
SCL
32
Ys (TH=0.7V HI; 1IN/L
OW
; 2IN)
31
R-
Y1
INPUT
30
B-
Y
1
INPUT
29
Y1 INPUT
28
I
2
C
GND
27
R-
Y2
INPUT
26
B-
Y
2
INPUT
25
Y2 INPUT
24
23
22
21
20
19
18
17
16
15
SW GND
ADRS SW
R-Y/R
OUTPUT
B-Y/B
OUTPUT
Y/G
OUTPUT
SW
Vcc (9V)
SYNC
Vcc (9V)
CP/HP
INPUT
Dig GND
SCP
OUTPUT
DAC2
DAC1
fsc
Y DL
Y DL
SW
SW
PEDESTAL
CLAMP
1H DL
CONTROL
SECAM
CONTROL
CbCr / UV
SW
fsc
TRAP
OFFSET
SW
LPF / fsc
TRAP
BPF H. AFC H C / D
32fH
VCO
V C / D
ACC
TOF
SCP
SW
APC
P / N ID
SYSTEM
CW
MATRIX
TINT
DEMO
CHROMA
BLK
NOSE
DET
YUV RGB
MATRIX
CP / HP
IN
SW
V SEP
SYNC
SEP
SUB-COLOR
VCXO
SUB-
CONTRAST
Y OFFSET
SW
DAC
TEST
Ys
I
2
C BUS
CONTROL
PEDESTAL
CLAMP
PEDESTAL
CLAMP
HI; 2ch/LOW; 24h
TA1270BF (IC616)