NAD C 356BEE Service Manual page 11

MICROPROCESSOR CONNECTION DIAGRAM
MAX232D
1
C1+
2
V+
3
C1-
4
CZ77
C2+
1 5
C2-
6 6
V-
11 2 TXD 7
T2OUT
7 RXD 8
R2IN
10 3
8
4
9
5
+5V
DB 9
IC72 3
IR RECEIVER
1
IS1U60L
2
Blue LED control
Power LED
control circuit Red LED control
Red
Amber 3LED Blue
D717
Y71
11.0592MHz
C79
27p
To MDC TXD
To MDC RXD
IC76
16
VCC Volume control
15
GND
circuit
14
T1OUT
13
R1IN
12
R1OUT
11
T1IN
10
T2IN
9
R2OUT
1
To pre mute circuit 2
3
Module Detect
4
Reset circuit
5
6
7
8
9
10
11
IC73
STC12C5A08S2-35I-LQFP44
C710
27p
Protection detect
+5V
33
P1.5/MOSI/ADC5 P0.4/AD4
32
P1.6/MISO/ADC6 P0.5/AD5
31
P1.7/SCLK/ADC7 P0.6/AD6
30
P4.7/RST P0.7/AD7
29
P3.0/RXD P4.6/RST2/EX_LVD
28
P4.3/CCP1/TXD2/SCLK P4.1/ECI/MOSI
27
P3.1/TXD P4.5/ALE
26
P3.2/INT0 P4.4/NA
25
P3.3/INT1 P2.7/A15
24
P3.4/T0/CLKOUT0 P2.6/A14
23
P3.5/T1/CLKOUT1 P2.5/A13
SPK A/B control circuit
Input select control circuit
Tune defeat on/off control circuit
11
PHONE71
Front panel MP detect
Ipod IN
Standby control circuit
Input control
keys circuit