NAD c390dd Service Manual page 75

INT Board
Q5000
R5000 KSA1220 R5001
3R9J 10R
12V5
J5001B
25
C5000 D5000 D5001
100n
22
21
1N4148 1N4148
SCJ351P00WS0B00G
R5002 R5003
DGND DGND
C5001
22u/6.3v
C5002
232 gnd
100n
U5000
R5005
3
2K2J
J5008 a2 y2
2
gnd vcc
IR in
R5007 1
C5003 a1 y1
D5002
4n7
4v7
NC7WZ17
IR IN
232 gnd
trig in
232 gnd
R5009
J5001A
1
10KJ
3V3S
2
R5010
3
10KJ
4
5
R5011 C5004
D5003
SCJ351P00WS0B00G
4v7
100n
232 gnd
C5007
100u/25v
12V5 3V3S
C5008
22u/6.3v
J5004 G2 DGND DGND 232 gnd C5009
U5001
1 C5012 C5013 1
EMI100p 470nZ
6 2
2 3 1 3
Txda
100n
7 4
3 3 1 Rxda 5
232gnd
8 C5014 C5015 6
EMI100p
4 7
9 C5016 8
470nZ
5
MAX3221
TPG5000
470nZ
G1 232 gnd
RS232
232 gnd
D5008 1SS352
D5009 1SS352
R5016 100R
C5017 22P
input1
232 gnd
R5017
Z2L
47RJ
D5010
J5005B
12V
C5019 C5020
J5010
220pF N.I. Z2 L
D5011
4 12V
3 agnd
2 D5012
Z2 R
1 12V
C5021 C5022
TO decode BOARD
220pF N.I.
D5013
12V R5018
Z2R
47RJ
J5005A
10RJ
3V3S
R5004
R5006
4 IRE
120R
5
6 TRIGIN
120R
R5008
TRIGON_OFF
DGND
D5004 1SS352
D5007 1SS352
10RJ
R5013
C5006
100n
232 gnd DGND
232 gnd
232 gnd
C5010
C5011 22u/6.3v
16
100n
EN Foff
15
10RJ
C1+ Vcc 3V3S
14
V+ gnd R5014
13
R5015
C1- Tout
12
C2+ Fon 232 gnd
11 232TX
C2- Tin
10
V- INV
9 232RX
120R
Rin- Rout
D5005 1SS352
D5006 1SS352
R5012 100R
C5005 22P
DGND
input1
J5002
15
232RX
14
13
232TX
12
11
TRIGIN
10
9
TRIGON_OFF
8
7
IRE
6
5
12V5 4
3
2
3V3S 1
Header 15