Schematics - NAD C 316BEE Service Manual

SCHEMATICS DIAGRAM
MCU CONTROL CIRCUIT Vm1.0
PCB-1:MAIN BOARD Vm1.0
Name
C315BEE Main Board
Volume-
Volume+
Remote Mute
Record Mute
Protection
Standby
R517
2K2
Q502 R515
10K
C1815
R516
10K
+5V
+5V
Volume-
Volume+
Remote Mute
D509 C501 Record Mute
1N4148 10uF Protection
R501
10K
IR IN
IC502 Standby
4 5
Vss SDA
3 6
NC SCL
2 7 +5V
NC NC
1 8
NC Vcc
C511
24C01 C506 0.1uF
0.1uF
C504 X501
27P 11.0592MHz
R184
+5V
10K
R185
+5V
10K
R503
R186
10K
-18V
R514 R505
100K
10K 47K
Q501
R284
2SC1815
+5V
10K
R285
Q219
2SA1015
R504 100K
10K
R286
-18V
100K
R512
470
+5V
C507 R513
0.1uF 10K
IC501
L51
W78E052DDG
100uH
1 40
P1.0 VDD
2 39
P1.1 P0.0/AD0
3 38
P1.2 P0.1/AD1
4 37
P1.3 P0.2/AD2
5 36
P1.4 P0.3/AD3
6 35
P1.5 P0.4/AD4
7 34
P1.6 P0.5/AD5
8 33
P1.7 P0.6/AD6
9 32
RST P0.7/AD7
10 31
RXD/P3.0 EA
11 30
TXD/P3.1 ALE
12 29
INT0/P3.2 PSEN
13 28
INT1/P3.3 P2.7/A15
14 27
T0/P3.4 P2.6/A14
15 26
T1/P3.5 P2.5/A13
16 25
WR/P3.6 P2.4/A12
17 24
RD/P3.7 P2.3/A11
18 23
XTAL2 P2.2/A10
19 22
XTAL1 P2.1/A9
20 21
VSS P2.0/A8
C505
27P
Main Board
R301
C301 10K
10uF Q302
Q301 A1015
A1015
C302 C303
4u7/25V 4u7/25V
R302
1K
Q304
Q303
C1815
C1815
C305
C304
220p 220p
+5V
R511 R508 R507 R502
470 10K 10K
10K
CB53 CZ53
19 19
18 18
17 17
+5V 16 16 +5V
15 15
14 14
13 13
12 12
11 11
10 10
9 9
8 8
7 7
6 6
5 5
4 4
3 3
2 2
1 1
Inputs Selection
C512
0.1uF
D501
3LED
Red
Blue Amber
R522
220
Q507
DTA114
+5V
Q508
DTC114
R303
10K STANDBY Circuit Vm1.0
PCB:STANDBY BOARD Vm1.0
KEY CIRCUIT Vm1.0
PCB-6:KEY BOARD Vm1.0
R304
1K
+5V
S
G V
C502
IC503
HS0038B4 MP IN
0.1uF
IR receiver PHONE5
D503 D504 D505 D506
TAPE TUNER AUX VIDEO
S501 S502 S503 S504
TAPE TUNER AUX VIDEO
+5V
R521
R524
470 330
Q505 Q503
DTC114
DTC114
Q506 Q504
DTC114 DTC114
S507
TACT SWITCH
CZ52
CB52
+5V
CZ54
3
2
1
MP Input
C508 C509
100pF 100pF
+5V
R519 R510 R509
620 10K 10K
D507 D508 D502
CD DISC MP
S505 S506 C510
CD DISC/MP
0.1uF