Denon AVR-1882 Service Manual page 11

LC75721E (IC301)
48
49
DI
CL
CE
RES
V
DD
OSCI
OSCO
Vss
TEST
V
FL
G1
G2
G3
G4
G5
G6
64
1
BA7626 (IC601, 651, 652)
Monitor OUT
1 16 IN1
GND 2 15 CTL A
6dB
IN5 3 14 V OUT1
LOGIC
GND
4 13 Vcc
IN4 5 12
IN2
6dB
CTL E
6 11 CTL B
IN3 LOGIC
7 10 V OUT2
CTL D
8 9 CTL C
M27W201 (IC807)
Vpp Vcc
1 32
A16 P
2 31
A15
30 A17
3
A12 A14
4 29
A7 A13
5 28
A6 A8
6 27
A5 A9
7 26
A4 A11
25
8
A3 G
24
9
A10
A2 10 23
A1
11 22 E
A0 Q
12 21
7
Q 20 Q
13
0 6
19
Q 14 Q
1 5
Q 15 18 Q
2 4
Vss 16 17 Q
3
SN74LV00APW (IC822)
1
1A 14 Vcc
1B 2
13 4B
1Y 3
12 4A
2A 4
11 4Y
2B
5 10 3B
2Y 6
9
3A
GND
7
8 3Y
LC75721E Terminal Function
Symbol
V Power terminal +5V
DD
33
V Power terminal GND
SS
V
32 Power terminal FL drive
FL
AM 17
Serial data transfer terminal
AM 18 DI
DI: Data
AM 19
CL
AM 20
CL: Clock
AM 21 CE
CE: Chip enable
AM 22
AM 23
OSCI
AM 24
External CR connecting terminal
AM 25
OSCO
AM 26
AM 27 System reset terminal
RES
AM 28
AM 29 AM1~AM35
Anode output terminal
AM 30
AA1~AA3
AM 31
AM 32
AA4/G16
17
AA5/G15
AA6/G14
Anode/Grid output terminal
16
AA7/G13
AA8/G12
G1~G11 Grid output terminal
TEST LSI test terminal
A B E MONITOR OUT
L L IN 1
*
H L IN 2
*
L H IN 3
*
H H L IN 4
H H H IN 5
Note 1: * mark means that feasible for either H or L.
Note 2: Each input terminal is provided with sink chip clamp (BA7625).
Each input terminal takes 20kohm at the end (BA7626).
V V
CC PP
18 8
A0-A17
P
E
G
V
SS
74HCU04 (IC803)
1
1A 14
2
13
1Y
3 12
2A
4
2Y 11
5
3A 10
6
9
3Y
GND
7 8
KIC9164AN (IC203)
Function
L-COM1
L-COM2
L-COM3
C D E V OUT 1
¾
L L
*
H L IN 2
*
L H IN 3
*
H H L IN 4
H H H IN 5
NJM2068DD
(IC205~210, 551, 702~704, 814~816)
BA4510F (IC805~806)
NJM2068MD (IC814~816)
Q -Q
0 7
A OUTPUT
1
A –INPUT
2
A+INPUT 3
V
4
KIA78R05PI (IC653)
Vcc
Vin
1
6A
6Y
5A
5Y
4A
4
4Y
3
2
1
AVR-1802/882
V 1 28
SS V
DD
L-S1 2 R-S1
27
L-S2 R-S2
3 26
L-S3 R-S3
4
25
L-S4 5 24 R-S4
6 23 R-COM1
7
L-S5 22 R-S5
L-S6 8 R-S6
21
9 20
R-COM2
10 19
L-S7 R-S7
L-S8 11 18 R-S8
12 17
R-COM3
ST 13 16
DATA
GND 14 15 CK
C D E V OUT 2
L L IN 1
*
¾
H L
*
L H IN 3
*
H H L IN 4
H H H IN 5
V
8
B OUTPUT
7
B –INPUT
6
B +INPUT
5
2 Vo
Specific IC
4 Vadj
3
GND
11