
HCD-NXM4D
51
51
HCD-NXM4D
7-22. SCHEMATIC DIAGRAM – MAIN BOARD (1/3) –
C903
C902
C904
C901
R
3
77
R
3
78
R
3
79
R
3
80
R
3
81
R
3
82
R
3
83
R
3
84
R
3
85
R
3
86
R
3
87
R
38
8
C930
CN101
C912
L904
100uH
100uH
10uH
10uH
C915
FB903
R909
C905
C906
R902
R903
R904
R25
R26
R40
D201
CN202
D202
R275
R279
R281
R276
R278
R272
R282
R284
R285
R287
R288
R290
R291
R293
R
2
01
R
2
6
1
R
2
59
R
26
0
R
2
10
R
20
9
R
2
1
1
R
21
2
R
2
6
2
R252
R
25
7
R
22
0
R
25
8
JW900
EP901
Q270
Q271
Q272
Q273
Q275
Q276
Q277
Q24
Q23
Q40
Q26
Q25
Q904
Q903
Q902
Q901
IC902
IC901
IC903
IC904
IC905
IC906
Q274
R
22
5
R
2
2
4
R203
R202
R213
R263
C
262
C
26
1
C
212
C
21
1
C
213
C
26
3
C2
01
C
2
03
C
2
59
C
2
0
9
C
23
8
C
22
8
C
2
2
9
C
2
23
C207
C257
C
2
55
C
256
C222
C
2
02
C
2
60
C
21
0
C252
C
2
0
5
R253
R251
C253
R208
R207
R204
R205
R206
C206
R254
R255
R256
R221
R222
C226
C224
C220
C254
C258
C204
C208
C251
C221
R223
R167
R117
Q102
Q152
R27
R29
R28
R166
R116
R165
R115
C170
C120
R274
C271
R280
R283
C274
R286
C275
R289
C276
R292
C277
R277
C272
C273
C270
R270
R271
R273
C199
C149
C908
R901
C233
C907
L901
C910
C911
D902
C916
C914
D901
D904
R247
R246
CN204
CN372
C383
C384
L902
L903
JW901
JW904
JW902
R908
R906
R905
R907
CN201
IC201
R242
R244
R243
R241
CN203
C
23
9
R231
R232
C900
10
50V
100
10V
100
10V
0.1
50V
10k
10
k
10
k
10
k
10
k
10
k
10k
10
k
10k
10
k
10
k
10k
2200
16V
7P
EH-S(2X)
1000
6.3V
3300
6.3V
LOW IMP
1.1UH
10k
0.1
50V
100
10V
2.2k
2.2k
2.2k
22k
100k
10k
1SS355
7P
1MMFFC-S
1SS355
1k
2.2k
1k
2.2k
1k
1k
2.2k
1k
2.2k
1k
2.2k
1k
2.2k
1k
47
k
4
7
k
2.2k
2.2
k
2
.2
k
2
.2
k
47
k
1
M
1
M
470
4
7k
1
k
47k
2SC5938
MUTE
2SC5938
MUTE
2SC5938
MUTE
2SC5938
MUTE
2SC5938
MUTE
2SC5938
MUTE
2SC5938
MUTE
DTA114EKA
MUTE SWITCH
DTC114EKA
MUTE SWITCH
DTC114EKA
MUTE SWITCH
DTA114EKA
MUTE SWITCH
DTC114EKA
MUTE SWITCH
DTC114EKA
MUTE SWITCH
DTC114EKA
MUTE SWITCH
DTC114EKA
MUTE SWITCH
2SB1640
LINE BUFFER
TA7809S
TA7809S
TA7805S
PQ12RD21
SI-8050JF
SI-8033JF
2SC5938
MUTE
2
.2k
1
k
10k
470
0
0
1
0
5
0V
1
0
5
0
V
1
0
5
0V
1
0
5
0V
1
0
5
0V
1
0
5
0
V
10
50
V
22
0
p
0.001
0.0
01
1
0
0
1
6
V
0
.22
0
.1
0
.0
0
1
10
50V
10
50V
0.0
01
0.0
01
10
50V
22
0
p
0
.0
0
22
0
.0
0
22
220p
0.001
10k
47k
220p
47k
47k
1k
10k
4.7k
0.001
1k
10k
4.7k
10k
4.7k
1
50V
10
50V
10
50V
10
50V
0.022
10
50V
0.022
10
50V
0.001
47k
10k
10k
2SC5938
MUTE
2SC5938
MUTE
6.8k
100k
6.8k
47k
47k
1k
1k
10
50V
10
50V
10k
10
50V
10k
10k
10
50V
10k
10
50V
10k
10
50V
10k
10
50V
10k
10
50V
10
50V
10
50V
2.2k
10k
2.2k
10
50V
10
50V
1000
16V
10k
100
16V
10
50V
1000
16V
3300
6.3V
LOW IMP
RK36LF
1000
6.3V
1000
16V
RK36LF
1SS355
10k
10k
11P
21P
0.1
470
6.3V
100
100
4.7k
22k
21P
M61530FP
100k
100k
13P
PH-S
4
70
1
0V
10k
10k
6800
16V
M
+9
V
D
+
3
.3
V
M
-G
N
D
A
U
D
IO
+9V
EV
E
R
+4
V
U
N
R
E
G
+5
V
U
N
R
EG
+
12
V
B
U
S
A
N
A
LO
G
-IN
-R
A
N
A
L
O
G
-IN
-L
M
U
TE
R
L
G
N
D
+
3
.3V
M
U
TE
A
U
D
IO
+
9V
M
+
9V
B
U
S
M
-G
N
D
G
N
D
C
-O
U
T
S
L
-O
U
T
S
R
-O
U
T
D
M
-L
FL
-IN
D
M
-R
FR
-IN
S
L
-IN
S
R
-IN
C
-IN
L
FE
-IN
DM-L
DM-R
FR-IN
C-IN
SL-IN
SR-IN
LFE-IN
LFE-IN
SR-IN
SL-IN
C-IN
FR-IN
FL-IN
DM-R
DM-L
D
M
-R
FR
-IN
C
-IN
S
L-IN
S
R
-IN
LFE-IN
D
M
-L
S
W
S
U
R
R
-R
S
U
R
R
-L
5
0
27
28
1
2
2
8
51
52
53
5
4
5
5
A
5
S
W
-O
U
T
R
-O
U
T
L-O
U
T
FL
-O
U
T
FR
-O
U
T
65
4
8
3
3
4
7
3
4
4
6
3
5
FL
-IN
FL-IN
3
0
2
9
2
6
2
5
2
4
23
*
*
+9V REGULATOR
+9V REGULATOR
+5V REGULATOR
+12V REGULATOR
+5V REGULATOR
+3.3V REGULATOR
BASS BOOST
LPF,AGC
INPUT ATTENUATOR
SWITCHING
REGULATOR
AC IN
TUNER
(CHASSIS)
E2
*
241,243
10k
E2
0
EXCEPT E2
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299