Denon AVR-1803/883, Service Manual

Page: 18 / 70

18
AVR-1803/883
Vc
c
GND
Vou
t
IC PROTECTOR
ICP-N15 (IC105) GP1FA502RZ (IC801~803)
ABLC
GND
V
CC
NJL64H380A(RMC301)
KIA7806AP (IC602)
KIA7805AP (IC104, 103, 822)
KIA7815AP (IC101)
KIA7812AP (IC271) KIA7915PI (IC102)
POSISTOR
P43T7D330BW16
MM74HCT244 (IC812)
V
OUT
22kohm
B.P.F
PD
20 1
19 2
18 3
17 4
16 5
15 6
14 7
13 8
12 9
11 10
1G
2G
1A
0
2A
0
2A 3
2Y
0 1Y
0
1Y
3
1A 1
2Y
1
1A
2
2Y
2
1Y 1
2A
1
1Y
2
2A
2
1A
3
2Y
3
GND
V
CC
FRONT
VIEW
In
p
u
t
GND
Ou
tput
FRONT
VIEW
In
p
u
t
GND
Ou
tput
FRONT VIEW
TOP VIEW
Vou
t
GND
Vc
c
V
CC
V
OUT
GND
Vin
Vc
c
GND
GP1FA502TZ(IC817)
INPUT
FRONT VIEW
OPTICAL
OUTPUT
IR SENSOR
Head Amp Amp Limitter Comparator
V
CC
Vin
GND
DRIVE
IC
LED
Detector
RC1117S25T (IC824)
RC1117S33ST (IC823)
1
2
3
2
ADJ/GND
OUT
IN
V
OUT
FRONT VIEW
BA7625 (IC605D)
BA7626 (IC652, 653, 601, 603
603D, 604D, 651, 654)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Monitor OUT
GND
IN5
GND
IN4
CTL E
IN3
CTL D
IN1
CTL A
V OUT1
Vcc
IN2
CTL B
V OUT2
CTL C
6dB
6dB
LOGIC
LOGIC
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).
C D E V OUT 2
L L * IN 1
H L *

L H * IN 3
H H L IN 4
H H H IN 5
C D E V OUT 1
L L *

H L * IN 2
L H * IN 3
H H L IN 4
H H H IN 5
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
TC9184AP (IC552)
2
3
4
5
6
1 16 7 8 9 10
15
14
13
12
11
BASS+
BASS-
COM
TREBLE-
Vs
s
VDD GND CK DATA ST
B
BASS+
BASS-
COM
TREBLE-
L
a
dde
r r
e
siste
r
A
nal
o
g
swi
tch
13 bit
l
a
tc
h
c
ircu
it
Level shift
20 b
it
Sh
if
t r
egis
ter ci
rc
uit
A
nal
o
g
swi
tch
L
a
dde
r r
e
siste
r
L
a
dde
r r
e
siste
r
A
nal
o
g
swi
tch
13
bi
t lat
c
h
ci
rcui
t
Code
detect
circuit
A
nal
o
g
swi
tch
L
a
dde
r r
e
siste
r