NAD C165BEE, Service Manual

Page: 15 / 38

R701
10K
R702 10K
+5.5V
+5.5V
C71
0.1u
TO
NE
DE
F
PHONE MUTE
Q701
C1815
Q702
C1815
Q703
C1815
Q704
C1815
Q705
C1815
Q706
C1815
Q707
C1815
R726
4K7
R724
4K7
R722
4K7
R720
4K7
R716
4K7
R714
4K7
R709
4K7
C74
10n C75
10n C76
10n C77
10n C78
10n C711
10n C712
10n
CD MP TUNE
R
AU
X
T
APE2
T
APE1
PH
ON
O
R708
4K7 R715
4K7 R719
4K7 R721
4K7 R723
4K7 R725
4K7 R727
4K7
Q708
C1815
R711
4K7
C713
10n
R710
4K7
Q709
C1815
R713
4K7
C514
10n
R712
4K7
LD502
CD LD504
MP LD501
PHONO LD505
AUX LD503
TUNER LD506
TAPE2
BLUE
BLUE BLUE BLUE BLUE BLUE
LD507
TAPE1
R707
1K
AMBER
+5.5V
AU PHO C TU M TP2 TP1 TONE D
C717
10uF,16V
R778
10K
D722
1N4148
+5.5V
NC
1
NC
2
NC
3
Vss
4
SDA
5
SCL
6
NC
7
Vcc
8
IC71
24C01
C72
0.1uF
+5.5V
R771
10K
R772
10K
C79
27p
C710
27p
Y71
11.0592MHz
+5.5V
1 2 3 4 5 6 7 8 9
R748 10K*8
+5.5V
PHONO
CD
MP
AUX
TUNER
TAPE2
TAPE1
TONE DEF
MUTE 2
MUTE 2
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CZ701
CON19
PHO
C
AU
M
TU
TP2
TP1
TONE D
PHONE MUTE
R730
4K7
R728
1K
Q710
A1015
R729
10K
+5.5V
MUTE LED
M
U
TE LED
IR MUTE IR MUTE
V
S
G
IC703
IS1U60L
C73
10u
+5.5V
K702
MP
K705 AUX
K703 TAPE2
K708 CD
K706 TAPE1
K701 Phono
K707
TUNER
R703
10K
K704
TONE DEF
K709
STANDBY
R705
10K
R704
10K
R706
10K
STANDBY
STANDBY
+5.5V
VOL-
VOL+
IR OUT
IR IN
R779
10K
R780
10K
VOL- VOL+
+5.5V
HEADPHONE DET
R782 1K
R717
100 R744
220
1
1
3
3
4
4
2
2
D707
3LED
AMBER
BLUE
+5.5V
Q712
C1815
Q711
C1815
R783
1K
+5.5V
R784
10K
R785
1K
R786
10K
+5.5V
LD508
TONE DEFEAT
R787
1K
BLUE
+5.5V
RED
R788
220
Q713
C1815
R789
1K
R790
10K
+5.5V
R791 100
R792 10 R793 10
C714
100nF
C715 100nF
C716
100nF
P1.5(MOSI)
1
P1.6(MISO)
2
P1.7(SCK)
3
RST
4
P3.0(RXD)
5
P3.1(TXD)
7
NC
6
P3.2(INT0)
8
P3.3(INT1)
9
P3.4(T0)
10
P3.5(T1)
11
P3
.6
(W
R)
12
P3
.7
(RD
)
13
XTAL2
14
XTAL1
15
GND
16
GND
17
P2
.0
(A
8)
18
P2
.1
(A
9)
19
P
2.
2(
A
10)
20
P
2.
3(
A
11)
21
P
2.
4(
A
12)
22
P2.5(A13)
23
P2.6(A14)
24
P2.7(A15)
25
PSEN
26
ALE/PROG
27
NC
28
EA/VPP
29
P0.7(AD7)
30
P0.6(AD6)
31
P0.5(AD5)
32
P0.4(AD4)
33
P0.
3(AD3)
34
P0.
2(AD2)
35
P0.
1(AD1)
36
P0.
0(AD0)
37
VC
C
38
NC
39
P
1.
0(T2)
40
P
1.
1(T2 EX)
41
P1
.2
42
P1
.3
43
P1
.4
44
IC73
AT89S52-TQFP
+5.5V
R795
10K
R796
10K
R794
10K
+5.5V
+5.5V
1 2
3 4
5 6
7 8
9 10
J202
ISP
R797 10k
+5.5V
R781
10k
R798 4k7
+5.5V
C165 KEYBOARD(2/3)