NAD C 165BEE Service Manual page 15

C165 KEYBOARD(2/3)
+5.5V
CZ701
D722
19
C717
18 +5.5V
1N4148
10uF,16V
17
HEADPHONE DET
16
PHONE MUTE R778
15
TONE D
10K
14
TP1
13
TP2
12
AU
11
M
10
TU
9
C
8
PHO
7
6 VOL+
5 VOL- R797 10k
4 STANDBY +5.5V
3 IR MUTE +5.5V
R798 4k7
2
1
CON19
+5.5V
C72
0.1uF
+5.5V
R730
4K7
R729
MUTE LED
Q710 10K
A1015
R728
1K
BLUE BLUE BLUE BLUE BLUE
LD501 LD502 LD503 LD504 LD505
PHONO CD TUNER MP AUX
PHO C TU M AU
C74 C75 C76 C77 C78
10n 10n 10n 10n 10n
Q701 Q702 Q703 Q704
C1815 C1815 C1815 C1815
R726 R724 R722 R720 R716
4K7 4K7 4K7 4K7 4K7
R727 R725 R723 R721 R719
4K7 4K7 4K7 4K7 4K7
+5.5V
R704 R705
10K 10K
J202
K708 CD
1 2
3 4 +5.5V
5 6
K704
7 8
TONE DEF
K705 AUX
9 10
ISP
K701 Phono K702
+5.5V
C73 R703
10u 10K
V
S
G
IS1U60L
IC703
IR OUT
IR IN
R772
IC71
10K
1 8
NC Vcc R771
2 7
10K
NC NC
3 6
NC SCL
4 5
Vss SDA
24C01
Y71
+5.5V +5.5V
11.0592MHz
C79
R707 R787 27p
1K 1K
BLUE AMBER BLUE
LD506 LD507 LD508
TAPE2 TAPE1 TONE DEFEAT
TP2 TP1 TONE D PHONE MUTE
C711 C712 C713 C514
10n 10n 10n 10n
Q705 Q706 Q707 Q708
C1815 C1815 C1815 C1815
R714 R709 R711 R713
4K7 4K7 4K7 4K7
R715 R708 R710 R712
4K7 4K7 4K7 4K7
R782 1K
R795
R706
10K
10K
K707
MP
K706 TAPE1
TUNER K703 TAPE2
AT89S52-TQFP
IC73
1
P1.5(MOSI)
2
P1.6(MISO)
3
P1.7(SCK)
4
RST
5
STANDBY P3.0(RXD)
6
NC
7
IR MUTE P3.1(TXD)
8
P3.2(INT0)
9
P3.3(INT1)
10
P3.4(T0)
11
P3.5(T1)
C710
27p
+5.5V +5.5V +5.5V
R717 R744 R788
100 220 220
R785 R789
R783
1K 1K
1K
Q709
C1815
Q711
R784 Q712 Q713
R786 R790
C1815
10K C1815 C1815
10K 10K
C716
C715
C714 100nF 100nF 100nF
R791 100 R792 10 R793 10
R794
10K
R781
10k
+5.5V
R796
+5.5V
10K
+5.5V
C71
0.1u
+5.5V
R779 R780
10K 10K
33
P0.4(AD4)
32
P0.5(AD5)
31
P0.6(AD6)
30 MUTE 2
P0.7(AD7) +5.5V
29
EA/VPP +5.5V R702 10K
28
10K
NC R701
27
ALE/PROG
26
PSEN
25 TONE DEF
P2.7(A15)
24 TAPE1
P2.6(A14)
23 TAPE2
P2.5(A13)
TUNER
AUX
MP
CD
PHONO
+5.5V
R748 10K*8
K709
STANDBY
1
1
RED
D707
3LED
3 2
3 2
AMBER
4
4
BLUE