Belson BSA-3750, Руководство по обслуживанию

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DVD - DivX Player - BSA3750
12
A A
B B
C C
D D
E E
4
4
3
3
2
2
1
1
S
D
R
A
M
W
M
87
46
/d
a1
19
6
W
M
87
20
(w
m
87
26
/d
a1
13
2)
'n
o
rm
a
l_
in
tl
ev
=
1
'
E
S
60
x8
24
C
01
open
open
open
TW
S
TBCK
MCLK- TSD0-
TSD0- TW
S
TSD2 TSD1
MCLK-
L
TBCK
R
ZERO
1
3.3VB
KAR
L R
AVCM
MCLK-
TBCK
TW
S
TSD0-
ZERO
TBCK TW
S
TSD0 MCLK
AOUT2L AOUT1L AOUT0L
ZERO
TSD2
AOUT2R AOUT1R AOUT0R
TSD1
KAR
ZERO
1
VCCA
VCCA
VCC33V
GND
VCC33
VCC33
RF50V
MVCC
PLL33V
RF33V
RFGND
GNDA
GNDA
GND
VCC VCC
GNDA
-12V
VCC
VCCA
VCCA
GND
VCC20
VCC33
VCC33 VCC33
GND
VCC20
GND
GND
VCC
GND
VCC
FLASHVCC
GNDA
VCC
VCCA
GND
+12V
GNDA
VCC33
-12V
GNDA
+12V
VCCA
VCCA
C27 0.1UF(open)
B27 47UF
B33 0.1UF
B48 0.1UF(open)
R205
33(open)
R204
33
B41 0.1UF
L10 FB
1
2
B40
0.1UF
B49 0.1UF(open)
B23 0.1UF
CC83 1U
L8
FB
1
2
B14 0.1UF
R202
33(OPEN)
B16 0.1UF
B19 0.1UF
R203
33
B30 0.1UF
B34 0.1UF
B12 10UF
JP2 HEADER 6(open) 1 2 3 4 5 6
Q20 8050
2
1
3
B36 10UF
B4 0.1UF
B21 0.1UF
Q2 AMS1117(ope
n)
3
2
1
IN
OUT
AD J
C18
10UF(open)
B2 100UF
B39 0.1UF
C28 10UF(open)
B50 0.1UF(open)
B11 0.1UF
B20 0.1UF
L6
FB
1
2
B56 0.1UF
C21
10UF(open)
CC80
100U
/16V
R69
412(1%)(open)
B31 0.1UF
C16
10UF
CC82
100U/25V
B6 0.1UF
B35 0.1UF
B42 0.1UF
B38 0.1UF
B26 100UF
U8 WM872
8
3 7 1
18 17 16
6 4
8 9 14 11 12
20 15 19
2 5
10 13
BCKIN DVDD LRCIN SDIDEM MUTEB MODE DGND MCLK
VOUTR
AGND
VREFP VOUTL
VMID
LATI2S CSBIWL SCKDSD DIN ZER0
AVDD
VREFN
R70 250(1%)(open)
B29 0.1UF
B57 10UF
LL5 FB
1
2
LL4 FB
1
2
C90 27PF
B17 0.1UF
CC78
100U/16V
B8 0.1UF
CC81 1U
C22 10UF
Q21 8050
2
1
3
B43 0.1UF
B55 0.1UF
C23 0.1UF
R206
4.7k
FB4 FB
1
2
B15 0.1UF
B54 10UF(open)
C91 27PF
R61
33 OHM(open)
L7
FB
1
2
B9 0.1UF
B7 0.1UF
Q1
2SC3327(
open)
1
2 3
R60
33 OHM(open)
B25 10UF
R54
10K(open)
R53
33 OHM
JJ7
HEAD12-100
1 2 3 4 5 6 7 8 9 10 11 12
U9 DA1196/WM8746(open)
1
11 12 13 14 9
8
10 2 3 4 5 6 7
15 28 20 24 26 22 18 27 25 23 21 19 17 16
DVDD DGND LATCH/12S SCLK/IWL SDIN/DM0 MUTE MODE LRCLK2 MCLK BCLK LRCLK DIN0 DIN1 DIN2
AVDD1 AVDD2 AGND1 AGND2
GR0 GR1 GR2
OUT0R
OUT0L
OUT1R
OUT1L
OUT2R
OUT2L
CAP
C89 0.1UF
C17
10UF
B22 0.1UF
C88 0.1UF
B24 10UF
B18 0.1UF
C87 10UF
B53 10UF
R52
33 OHM
B37 0.1UF
B13 0.1UF
C25
10UF(open)
L9 FB (0805)
1
2
B44 10UF(open)
LL6 FB
1
2
B10 10UF
B28
0.1UF
C19
10UF(open)
B32 0.1UF B51 0.1UF(open)
Main Board (M3)