Service manual
40
28KF-84H
Page 41
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3
4 567
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Schematic Diagram of Mother Board Unit (F7351N5)
Page 38
23
MSP3410G
1
24
6
3
-13V
8
22
10
17
+25V
9
QSOCZ2561CEZZ
21
1
+16V
15
1
+3.3Vb
24
25
1
4
OUT R
-13V
29
2
26
11
22
3
3
28
+1.8V
+5V
4
OUT L
RH-IX1853BMZZ
3
V
21
GND
2
-16V
GND
18
QSOCZ2561CEZZ
(YA)
12
23
16
-16V
2
35
7
(YB)
20
2
-13V
19
13
+12V
+5V
+16V
14
25
5
3
EW
SC4INL
FI
IR
SC1OUTR
HEADL
SSC-DATA
SC4INR
LEDOPC
AGC SMPL
HEADL
OPC
SCL1
SC4INL
FB
MUTE
HEADR
PROT
SC2OUTR
SC2OUTL
SC4INR
LED
SC2INR
SDA1
RES
R IN
PROT
MUTE
SCL1
G IN
B IN
KEY
SC2INL
RESINT
HEADR
SDA1
RES
SC1OUTL
.
.
.
.
.
.
.
D311
C8V2
EX0550BM
D303
7V5
EX0549
R304
100
JF23
C387
100nF
C1044
1nF
C388
330nF
(FZ)
R346
1K5
R516
1K
(1%)
C310
100nF
(25V)
C321
100nF
C3313
1nF
HB
IC301
TDA7480
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC302
TDA7480
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Q306
BC857B
VSBC857B
Q614
BC847B
VSBC847B
C373
100nF
(25V)
C503
100pF
R353
150
C1046
100pF
R502
4K7
(1%)
R510
8K2
C1045
100pF
D304
7V5
EX0549
3
83
n
F
Q308
BC847B
VSBC847B
Q502
2SA1905Y
2SA1905Y
C505
100nF
(25V)
C358
100nF
(25V)
C356
330nF
(FZ)
C301
10uF
R302
100
C384
1nF
R330
10
Q307
BC847B
VSBC847B
R503
1K
(1%)
L315
3.3uH
(CF)
D305
7V5
EX0549
R339
220
R345
2K2
C372
0.47uF
.
.
.
.
.
R308
100
C351
220uF
(25V)
R358
100K
C375
560pF
(HB)
C526
1000uF
(25V)
C303
10uF
(16V)
R738
150
(1/2W)
C385
220nF
L318
22uH
(CF)
L319
22uH
(CF)
R389
10K
R351
27K
C362
0.47uF
C305
1nF
HB
R362
22K
D306
DX0045
R664
270
R555
4R7
(1/2W)
XZ0208BM
R360
10K
C369
100pF
L501
P0271
C502
100nF
(25V)
L351
3.3uH
(CF)
R553
1.2
(1/3W)
XZ0101BM
C302
10uF
D310
1N4148
DX0551
R630
6K2
C1031
330uF
(6.3V)
R356
10K
R518
1.5
(2W)
C508
560pF
(HB)
R501
150
2W
C360
560pF
(HB)
R311
100K
C317
330nF
(FZ)
IC304
M5218L
VHIM5218L
+12V
8
OUTL
7
-INL
6
+INL
5
GND
4
+INR
3
-INR
2
OUTR
1
JF4
0
R344
2K2
C378
220uF
(25V)
C311
10uF
(16V)
R665
10K
R357
150
C504
220nF
(FZ)
R309
100
C366
100nF
(25V)
.
.
.
.
.
R511
150
(TQ)
R310
100K
R338
220
JF11
0
C308
3.3uF
C320
10uF
(16V)
R375
12K
L316
3.3uH
(CF)
C350
100nF
(25V)
C352
100nF
(FZ)
C534
1nF
HB
D302
7V5
EX0549
R387
IC303
64
NC
63
AVSS
62
AVSS
61
MONO
60
NC
59
VREFTOP
58
SC1_IN_R
57
SC1_IN_L
56
ASG1
55
SC2_IN_R
54
SC2_IN_L
53
ASG2
52
SC3_IN_R
51
SC3_IN_L
50
ASG4
49
SC4_IN_R
48
CAPL_M
40
AHVSUP
39
CAPL_A
38
SC1_OUT_L
37
SC1_OUT_R
36
VREF1
35
SC2_OUT_L
34
SC2_OUT_R
33
ASG3
32
NC
31
DACM_SUB
30
NC
29
DACM_L
28
DACM_R
27
VREF2
26
DAC_L
25
DAC_R
24
I2S_DA_IN2
17
DVSS
16
DVSS
15
DVSUP
13
DVSUP
12
DVSUP
11
ADR_CL
10
ADR_WS
9
ADR_DA
8
I2S_DA_IN1
7
I2S_DA_OUT
6
I2S_WS
5
I2S_CL
4
I2C_DA
3
I2C_CL
2
1
Y
Q
L
O
UT0
O
UT1
_
OUT
U
T
2
+
+
SC4_IN_L
47
NC
46
AGNDC
45
AHVSS
44
AHVSS
43
NC
42
NC
41
NC
18
NC
19
NC
20
RESETQ
21
NC
22
NC
23
DVSS
14
C370
330nF
(FZ)
C368
100nF
(25V)
C619
FB501
LN0091GE
C353
100nF
(25V)
R301
100
R305
100K
D307
C8V2
EX0550BM
R332
2K7
C389
330nF
(FZ)
C363
220uF
(25V)
.
.
.
.
.
R380
22K
R385
1M
Q505
BC857B
VSBC857B
C376
470nF
(FZ)
R506
1K
R306
100K
R303
100
C386
220nF
C309
330uF
(10V)
C307
100nF
(25V)
D511
DX0551
C367
100nF
(25V)
D641
DX0551
L353
680K
P0195CE
R359
100K
C359
4.7nF
(HB)
C354
100pF
C313
47nF
(HD)
GN341
C382
100nF
D308
C8V2
EX0550BM
C316
330nF
(FZ)
C304
10uF
(16V)
R335
100K
R328
150
C377
1uF
D512
C33
EX0564
(S)
GN0441CE
D508
DX0045
C361
470nF
(FZ)
C374
4.7nF
(HB)
.
.
.
.
.
Q309
BC857B
VSBC857B
R355
27K
D723
C8V2
EX0550
R350
2K2
D642
C47
EX0568
.
.
.
.
.
R307
4K7
R334
1K
R374
12K
C306
1nF
HB
C357
1nF
HB
Q305
BC847B
VSBC847B
C364
100nF
(25V)
L352
680K
P0195CE
D507
C27
EX0562
R505
220
Q503
N06-90L
TX0239
L302
12uH
(DF)
(SS)
GN341
C371
1nF
HB
IC501
TDA7480L
IX1786
1
2
3
4
5
6
7
8
9
10
R382
22K
R352
12K
C312
10uF
(16V)
C626
L350
3.3uH
(CF)
R504
1K
C507
4.7nF
(HB)
C365
220uF
(25V)
R337
10
(RA)
R336
100K
C1043
1nF
C328
100nF
(25V)
R384
22K
C379
100nF
(25V)
R629
470K
R391 100
R390 100
L303
12uH
(DF)
R347
33K
FB305
0
FB304
LN0091GE