Title
1
2
3
4
5
7
7
8
1
2
3
4
5
7
7
8
9
9
Schematic Diagram
FRONT Section
IC701
C
D
CF3
CF1
CF2
CF4
TO
M
AN
P
CB
H/P JACK
AGND
COMPANY: DAT HK LTD.
NEW MODEL
TITLE:
DRAWN:
CHECKED:
APPROVED:
DATE:2009.07.04
SIDE:A3
REV:3.0
NC-891XDU/DE FRONT SCHEMATIC DIAGRAM
TO
M
AN
P
CB
TO
C
D
/M
P3
P
CB
M
CU
PA4
PA5
PA6
PA7
FRONT SCH
AM ANT
W PSM
W/O PSM
HR780 HR781 HR782
LD703 HQ717/710
3K9
390
RED
C107S
X
X
X
X
10K
WITH PSM OPTION
TO CD MP3 PCB
USB JACK PCB
CD-DECT
+9V(UN-SW)
TU-L
TU-R
AM ANT PCB
X
HR762
HR763
NC-8911
3.9K
3.9K
NC-8913/8915
6.2K
6.2K
PSM-OUT
JW
76
3
JW
76
1
PSM-VCC
+
9V
(U
N
SW
)
HR789
10K
X
HR790
1K
X
CE713
47/10
X
PSM OPTION
1
2
3
IC703
DT1838
SW712
EQ/UBS
SW706
10
SW703
NEXT
SW709
SOURCE
SW702
STOP/CLEAR
SW711
TIMER
SW701
PLAY/PAUSE
SW708
MO/ST
SW705
POWER
SW704
BACK
SW707
OPEN/CLOSE
20
S1
2
19
S1
1
18
S1
0
17
S9
16
S8
15
S7
14
S6
13
S5
12
S4
11
S3
10
S2
9
S1
8
C1
7
C2
6
C3
5
C4
4
C5
3
C6
2
C7
1
C8
28
C6
27
C3
26
C2
25
S1
7
24
S1
6
23
S1
5
22
S1
4
21
S1
3
LC701
L00
2
3.
5T
/5
.0
M
M
L00
3
2.
5T
/5
.0
M
M
HR009
12K
HR010
12K
HR011
75K
HR012
75K
FM ANT
HR001
150K
HR005
3.3K
H
R
00
4
100
K
L00
1
4.
5T
/5
.0
M
M
HR002
330
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AM
MIX
FMRF
FM
MIX
FM
OSC
AM
OSC
AGC
AM
DET
FM
DET
IF
IF
FM
AM
FM
MUTE
LEVEL
DET
TUN
LED
ST
LED
ST/MO
FM/AM
VCD
DIVIDE
DECODE
AF
AM
BUFF
FM.RF.IN
RF.GND
AM.LOW/CUT
MIX.OUT
AG
C
VCC
AM.IF
FM
.I
F
G
N
D
ST.LED
TUN.LED
QUAD
L.OUT
R.OUT
LPF1
MPX.IN
MP.OUT
LP
2
AFC
AM.OSC
FM.OSC
RF.VCC
FM.RF.OUT
AM.RF.IN
IC101
TA2111N
HC019
105PF
HC018
103PF
H
C01
7
104
PF
H
C01
5
102
PF
HC016
104PF
HC013
105PF
HC011
4PF
HC012
130PF
H
C01
0
22
PF
H
C00
9
25
PF
HC007
104PF
HC008
104PF
HC006
104PF
HC025
2PF
HC026
30PF
HC021
103PF
HC020
103PF
HC024
104PF
HC023
332PF
HC022
332PF
HC004
104PF
HC005
105PF
H
C00
3
30
PF
HC001
30PF
HC002
30PF
PC101-D-A
PC101-D-B
PC101-D-C
PC101-D-D
CF001
455KHZ
CF002
10.7MA5
CF003
10.7MG77
L008
L009
M1037B
D
00
1
IN
414
8
D
00
2
IN
414
8
CE004
220UF/6.3V
CE003
1UF/50V
Q003
S9018
HQ709
A111S
1
2
3
4
5
6
7
8
IC702
BA4560F
HR767
1.2K
HR768
1.2K
CE710
2.2UF/50V
CE711
2.2UF/50V
HQ707
C111S
HQ708
C111S
HR765
56K
HR763
3.9K
HR761
18K
HR764
56K
HR760
18K
HR762
3.9K
CE707
33UF/25V
CE708
33UF/25V
HR757
22
HR756
22
CE709
220UF/16V
CE706
47UF/16V
HR758
10
HR755
10
1
2
3
4
5
6
7
J701
HR751
10k
HQ703
C111S
HR753
2K2
HQ705
C111S
HQ706
C111S
D705
IN4148
D701
IN4148
D702
IN4148
D703
IN4148
D704
IN4148
Q702
S8050D
1
2
3
VR701
HR717
1K
HR719
1K
HR720
1K
HR750
1K
HR727
10K
HR728
470R
HR726
10K
HR725
1K
HR730
10K
HR733
1K
HR739
1K
HR740
1K
HR742
10K
HR741
10K
HR721
1K
HR722
1K
HR723
1K
HR724
1K
HR715
1K
HR716
1K
HR713
1K
HR712
1K
HR709
10K
HR710
10K
HR708
220K
HR706
100K
H
R
70
5
1K
HR707
1K
H
R
02
1
1K
HR020
1K
HR701
10K
HR702
10K
HR704
10K
HR703
10K
HR748
1K
HR749
47K
HR743
10K
HR744
10K
HR745
10K
HR746
10K
HC713
105PF
HC710
30PF
HC709
30PF
HC711
30PF
H
C70
8
100
PF
H
C70
5
3P
F
H
C70
4
3P
F
HC701
104PF
HC703
103PF
HC702
103PF
HC706
15PF
HC707
15PF
CE702
47UF/10V
CE721
CE
70
5
47
U
F/
10
V
HD708
KDS160
D707
IN4148
HD709
KDS160
HR718
1K
O
SC
O
O
SC
I
D
AT
A
D
CL
K
FM
I
N
G
N
D
AM
I
N
VDD
1
2
3
4
5
6
7
8
IC700
CS9255
HC728
104PF
H
C73
1
104
PF
H
C72
7
104
PF
X702
32.768KHZ
X701
32.768KHZ
HZ701
5.6V
HR711
1K
HZ702
3.3V
HC028
472PF
HC029
102PF
HR013
0
H
R
01
4
220
K
HR017
56k
HR018
330
HR003
330
HR752
10k
HR019
1K
CE002
1UF/50V
HC723
330PF
HC724
330PF
HC722
150PF
HC721
150PF
HC719
104PF
HC720
104PF
HC717
103PF
HC718
103PF
HR747
0
SW710
FOLDER-10
D706
IN4148
HC726
NC
HC725
NC
SEG9
SEG8
SE
G
7
SEG6
SEG5
SEG4
PA
7/
SE
G
3
PA6/SEG2
PA
5/
SE
G
1
PA4/SEG0
PA3
PA2
PA1
PA0/NTX
PE3
PE2
OSCXO/PD1
OSCXI/PD0
VPP
RESET
OSC1
VDD
PSGOB
PSGO
GND
PWRT
COM7
COM6
COM5
COM4
COM3
COM2
COM1 COM0
SE
G
39
/P
B7
SEG38/PB6
SEG37/PB5
SEG36/PB4
SE
G
35
/P
B3
SEG34/PB2
SEG33/PB1
SEG32/PB0
SE
G
31
/P
C7
SE
G
30
/P
C6
SEG29/PC5
SEG28/PC4
SE
G
27
/P
C3
SE
G
26
/P
C2
PC1/SEG25
PC0/SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
CA6808F
LD701
HR734
HR008
470
HR007
22K
HR006
150R
HR769
1k
CE701
47UF/10V
HQ013 A111S
HQ014
A111S
Q005
D8550S
Q006
S8050D
D
S
G
Q004
2SK544E
HR022
10K
HR023
1K
HC031
223PF
L012
560UH
1
2
CN001
HR031
0 1/4W
HR030
0 1/4W
HC328
103PF
HC329
103PF
HR778
10K
LD702
HR766
CE005
100UF/6.3V
HC032
104PF
L01
1
IF
T-
7S
B-
4251-00-
LF
INPUT
GND
OUTPUT
3
1
2
IC102
SA1117BH-3.3
HQ015
C111S
HQ016
C111S
1
2
3
4
5
6
7
8
9
CN
70
0
HR788
8.2K
HR787
8.2K
DZ001
4.7V
HQ717
C107S
HR781
3.9K
H
R
78
2
39
0
H
R
78
0
10
k
LD703
RED
1
VCC
2
D-
3
D-
4
GND
5
GND1
6
GND2
J702
USB-JACK
HL704
JUMPER
HL706
JUMPER
HL707
JUMPER
HL710
JUMPER
HL005
JUMPER
1
2
3
4
CN707
HC729
104PF
HC730
104PF
CE704
100UF/10V
1
2
3
4
5
6
7
8
9
10
CN704
HR026
1K
H
R
02
7
1K
H
R
02
8
3K
3
HR029
3K3
HR025
10K
HR024
10K
CE006
CE703
10UF/16V
H
R
77
0
6K
2
HR783
CE
71
2
D
Z70
1
Q705
H
R
77
9
1
2
CW001
1
2
CW002
1
2
R70
1
100(1/4
W
)
R70
2
100(1/4
W
)
HC033
104PF
Q002
S9018
H
R
03
2
1.
5K
Q001
HC027
HC030
HR015
HQ710
C107S
H
R
78
9
10
k
H
R
79
0
1k
CE713
47UF/10V
OUTPUT
GND
INPUT
1
3
2
IC704
SA1117BH-3.3
1
3
2
4
L701
1
2
JW765
1
2
JW766
6
5
4
3
2
1
CN701
HC732
104PF
D708
IN4148
Q701
S8550
+3V3
H/P
H/
P-
M
U
TE
ADMUTE
+
9V
-S
W
-9
V-
SW
H/P-MUTE
-9V-SW
H/P-IN/L
H/P-IN/R
H/P-IN/L
H/P-IN/R
VOL-UP
VOL-DN
H/
P-
SEN
ADMUTE
ADMUTE
H/P-IN/L
H/P-IN/R
-9V-SW
P-
CL
K
P-
D
AT
D
+9V-SW
+9V-SW
SE
G
9
SE
G
8
PA
7
PA
6
PA
5
PA
4
PA
3
VO
L-
B
VO
L-
A
PA
0
SE
G
7
SE
G
7
SE
G
8
SE
G
9
COM7
COM6
COM5
COM4
COM3
COM2
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
CO
M
0
CO
M
1
+9V(UN-SW)
GND_POWER
M-POWER/ON
GND
F-SCL
F-SDA
USB-5V+
USB-D-
USB-D+
GND
GND
CO
M
6
CO
M
7
CO
M
5
CO
M
4
CO
M
3
CO
M
2
CO
M
1
CO
M
0
SE
G
23
SE
G
22
SE
G
21
SE
G
20
SE
G
19
SE
G
18
SE
G
17
SE
G
16
SE
G
15
SE
G
14
SE
G
13
SE
G
12
SE
G
11
SE
G
10
SE
G
9
SE
G
8
SE
G
7
TU-R
TU
-R
TU
-L
TU-L
AGND
AGN
D
+9V(UN-SW)
ADMUTE
+9V-SW
P-CLK
P-DATD
PB3
PB3
PB0
PB0
PC7
PC7
PC5
PC5
H/P-SEN
P-CLK
P-DATD
AGND
+9V(UN-SW)
M
U
TE
M
U
TE
+3V3
+9V(UN-SW)
CD-IRC
CD-STB
CD-CLK
CD-DATA
CD-POWER
OP/CL-SW
OPEN-M+
CLOSE-M-
CD-MUTE
ADMUTE
Summary of Contents for NC-8911
Page 1: ...Service Manual Mini Component Sound System 9CD8308100 July 2009...
Page 3: ...Safety Precautions 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9...
Page 4: ...1 2 3 4 5 6 7 8 9 Safety Precautions 1 2 3 4 5 6 7 8 9...
Page 13: ...Exploded View and Mechanical Parts List 1 2 4 4 5 6 7 8 1 2 4 4 5 6 7 8 9 9...
Page 15: ...Wiring Diagram 1 2 3 5 5 6 7 8 1 2 3 5 5 6 7 8 9 9...
Page 16: ...1 2 3 4 5 6 7 8 1 2 3 4 6 6 7 8 9 9 Title 1 2 3 6 6 7 8 1 2 3 6 7 8 9 9 Block Diagram...
Page 21: ...1 2 3 4 5 6 8 8 1 2 3 4 5 6 8 8 9 9 Title P C B Pattern Layout FRONT Section Top View...
Page 22: ...1 2 3 4 5 6 8 8 1 2 3 4 5 6 8 8 9 9 Title P C B Pattern Layout FRONT Section Bottom View...
Page 23: ...Title P C B Pattern Layout MP3 CD Section Top View 1 2 3 4 5 6 8 8 1 2 3 4 5 6 8 8 9 9...
Page 24: ...Title P C B Pattern Layout MP3 CD Section Bottom View 1 2 3 4 5 6 8 8 1 2 3 4 5 6 8 8 9 9...
Page 25: ...P C B Pattern Layout MAIN Section Top View 1 2 3 4 5 6 8 8 1 2 3 4 5 6 8 8 9 9...
Page 26: ...P C B Pattern Layout MAIN Section Bottom View 1 2 3 4 5 6 8 8 1 2 3 4 5 6 8 8 9 9...
Page 27: ...P C B Pattern Layout POWER Section Top View 1 2 3 4 5 6 8 8 1 2 3 4 5 6 8 8 9 9...
Page 28: ...P C B Pattern Layout POWER Section Bottom View 1 2 3 4 5 6 8 8 1 2 3 4 5 6 8 8 9 9...
