Denon AVR-883, Service Manual

Page: 12 / 70

12
AVR-1803/883
Pin
No.
Pin Name Function I/O
77 PWR DOWN I POWER DOWN DETECT
78 RDS CLK O TDA7330 CONTROL CLOCK
79 RDS DATA O TDA7330 CONTROL DATA
80 NC

81 9184 CE O TC9184 CONTROL
82 M32 INTREQ I/O MELODY32 CONTROL
83 MULTI MUTE O MULTI MUTE
84 MULTI SB RLY O MULTI/SURROUND BACK :SELECTION RELAY
85 REMOCON I REMOTE CONTROL SIGNAL INPUT
86 GND

87 GND

88 V
SS

89 V
DD

VDD BACK UP
90 NC

91 TC9482 CE O TC9482 CONTROL
92 PLL DATA O PLL CONTROL
93 PLL CLK O PLL CONTROL
94 PLL DT IN O PLL CONTROL
95 TU MUTE O TUNER MUTE
96 STEREO I STEREO DETECT
97 TUNED I TUNED DETECT
98 PLL CE O PLL CONTROL
99 2090 CLK VIDEO O BU2090 CONTROL(VIDEO)
100 2090 DATA VIDEO O BU2090 CONTROL(VIDEO)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22 44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23 A15
A14
A13
A12
A11
CE
I/O0
I/O1
I/O2
I/O3
Vcc
GND
I/O4
I/O5
I/O6
I/O7
WE
A10
A9
A8
A7
NC
A0
A1
A2
OE
UB
LB
I/O15
I/O14
I/O13
I/O12
GND
Vcc
I/O11
I/O10
I/O9
I/O8
NC
A3
A4
A5
A6
NC
A0-A15
CE
OE
WE
64K x 16
MEMORY ARRAY
DECODER
COLUMN I/O
CONTROL
CIRCUIT
GND
VCC
I/O
DATA
CIRCUIT
I/O0-I/O7
Lower Byte
I/O8-I/O15
Upper Byte
UB
LB
CE
OE
WE
LB
UB
PIN DESCRIPTION
Pin Name
Address inputs
Symbol
A0-A15
Data Inputs/Outputs I/O0-I/O15
Chip Enable Input
Output Enable Input
Write Enable Input
Lower-byte Control (I/O0-I/O7)
Upper-byte Control (I/O8-I/O15)
No Connection NC
Power V
CC
Ground GND
IS61LV6416 (IC806)
PIN DESCRIPTION
Pin Name
Address Inputs
Symbol
A0-A18
Data Input/Outputs, Command Inputs DQ0-DQ7
Data Input/Outputs DQ8-DQ14
Data Input/Output or Address Input DQ15A-1
Chip Enable
Output Enable
Write Enable
Reset/Block Temporary Unprotect
Ready/Busy Output RB
Byte/Word Organization BYTE
Supply Voltage V
CC
Ground V
SS
No Connected Internally NC
Don’t Use as Internally Connected DU
E
G
W
RP
A1 A0
A2 E
A3 V
SS
A4 G
A5 DQ0
A6 DQ8
A7 DQ1
A17 DQ9
A18 DQ2
RB DQ10
NC DQ3
NC DQ11
RP V
CC
W DQ4
NC DQ12
NC DQ5
A8 DQ13
A9 DQ6
A10 DQ14
A11 DQ7
A12 DQ15A-1
A13 V
SS
A14 BYTE
A15 A16
24
13
12
1
25
36
37
48
M29W800T
M29W800T
19
A0-A18
W
DQ0-DQ14
M29W800AT
E
15
G
RP
DQ15A-1
BYTE
RB
V
CC
V
ss
M29W800AT (IC805)
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