Denon AVR-685 User Manual

19
AVR-1705/685
LC75721E (IC301)
TA1270BF (IC606)
64
49
48 33
32
17
161
AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM 9 AM 10 AM 11 AM 12 AM 13 AM 14 AM 15 AM 16
AM 17
AM 18
AM 19
AM 20
AM 21
AM 22
AM 23
AM 24
AM 25
AM 26
AM 27
AM 28
AM 29
AM 30
AM 31
AM 32
G7 G8 G9 G10 G11 AA8/G12 AA7/G13 AA6/G14 AA5/G15 AA4/G16 AA3 AA2 AA1 AM35 AM34 AM33
DI
CL
CE
RES
V
DD
OSCI
OSCO
Vss
TEST
V
FL
G1
G2
G3
G4
G5
G6
Symbol
V
DD
Vss
Power terminal +5V
Power terminal GND
V
FL
Power terminal FL drive
DI
CL
CE
Serial data transfer terminal
DI: Data
CL: Clock
CE: Chip enable
OSCI
OSCO
External CR connecting terminal
RES
System reset terminal
AM1~AM35
AA1~AA3
Anode output terminal
AA4/G16
AA5/G15
AA6/G14
AA7/G13
AA8/G12
Anode/Grid output terminal
G1~G11 Grid output terminal
TEST LSI test terminal
Function
LC75721E Terminal Function
NJM2274R (IC614)
TC90A69F (IC609)
1
2
3
4
5
7
8
6
TOP
VIEW
1Yin
Cin
7
C Mute CTL
2
GND
Disc.
Vref
7
Power Save CTL
2
Vcc
Clamp
8 Bias
+
+
Vsag4
3 Vout
750
ohm
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
FILTER
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/LOW; 2IN)
31
R-Y1 INPUT
30
B-Y1 INPUT
29
Y1 INPUT
28
I
2
C
GND
27
R-Y2 INPUT
26
B-Y2 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: 20h/LOW: 24h
1
BIAS VB1
2
VRT
27
COUT
3
VDD1
26
VSS1
4
TESTI1
25
YOUT
5
VSS2
24
VB2
6
VRB
23
PD
7
YCIN
22
FIL
8
TEST
21
VSS4
9
KILLER
20
VDD4
10
TESTI2
19
FSC
11
VDD3
18
TESTOUT
12
VSS3
17
MODE1
13
VDD2
16
SDA
14
TESTI3
15
SCL
CORING
PEAKING
DAC
1/8
(8fsc)
8fsc 4fsc
DAC
IIC BUS
28
PLL DET 1/2VCO
Ped.
CLIP
LPF
DELAY
CNR
C-N.C
CORING V-ENHANCER
KILLER
DYNAMIC COMB FILTER
Sync. Clamp
ADC
LINE
MEMORY
LINE
MEMORY
INTERPOLATION
MM74LCX244
(IC809-811)
BU2090F (IC302,607,615)
74LVX157
(IC816)
1
2
3
4
5
6
7
8
18
17
16
15
14
13
12
11Q3
VDD
OE
Q7
Q8
Q11
Q10
Q9
Q6
VSS
DATA
CLOCK
LCK
Q0
Q1
Q2
9
10
Q4
Q5
CONTROL CIRCUIT
12-bit SHIFT REGISTER
12-bi t STRAGE REGI STER
OUTPUT BUFFER ( OPEN DRA I N)
1
2
3
4
5
6
7
8
20
19
18
16
15
14
13
I3
VCC
OE2
O2
I5
O0
I4
O1
I6
OE
I0
O4
I1
O5
I2
O6
912
O7 O3
10 11
GND
I7
TOP VIEW
17
1A
1B
1Y
2A
2B
2Y
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Vcc
ST
4A
4B
4Y
3A
3B
3Y
SE
LECT
5
SEL

Denon AVR-685 Specifications

General

Brand	Denon
Model	AVR-685
Category	Stereo Receiver
Language	English