BBK MA2000S Service Manual

4 (1)
1 2 3 4 56
A
B
C
D
E
F
6
54321
F
E
D
C
B
A
C297
L124
10uH/1A
C296
104/50V
C273
104X2
3 1
4 2
L122
UT-20 40mH
H-GND
H-GND
R274
4.7K/0.1W
R272
2.4K/0.1W
R271
1.8K/0.1W
R261
10K
N126 HS817
C278
4.7uF/160V
C274
33uF/400V
H-GND
C275
103/1KV
F+
PGND
C291 101/50V
C293 101/50V
C277
H-GND
C285
470uF/25V
C292
220uF/16V
C294
220uF/35V
C283
C284
1000uF/25V
1
2
XS3
~220V
C289
220uF/16V
-24V
D+5V
+5VCP
F+
F-
-24V
R273
220/0.1W
C276
471Y1
C290
C286
!
!
!
!
!
!
!
!
MA-1000/MA-2000 SUPPLY POWER
PGND
F+
+5VCP
GND
GND
-24V
CPU5V
L123
10uH/1A
R262
22K/0.125W
C279
AK
G
V117
MCR100-6
CPU5V
R263
1.2K/0.1W
C280
V116
2N5551
GND
STBY
C281
47uF/50V
C282
R264
10K
VD116
HER105
VD110
HER107
VD112
HER105
VD114
SR360
VD115
HER105
VD118
1N4148
VD117
SR160
VD113
1N4148
VD111
HER105
R270
1K/0.1W
C295
R269
150/0.1W
FL100
T1.6A/250V
VD119
5.1V
D
6
D
7
FB
3
D
8
VDD
4
D
5
S
1
S
2
N125
VIPER22A
H-GND
A+6.8V
R276
100/2W
C299
470uF/25V
C298
333/50V
VD120
6.8V
A-6.8V
1
2
3
4
5
6
7
8
9
10
11
12
XS1
CON12
F-
F-
!
C287
220uF/16V
C288
333/50V
R256
18K/0.125W
R257
18K/0.125W
R258
18K/0.125W
R259
18K/0.125W
R265
22/2W
R267
1/0.5W
R275
180/2W
Vin
1
GND
2
Vout
3
N127
LM7805
AC
2
V+
1
AC
3
V-
4
DB100
DB104
N128
KA431AZ
A+9V
STBY
STBY
P_DDA
P_DCK
P_DST
P_REM
P_DDA
P_DCK
P_DST
P_REM
GND
GND
GND
D+5V
L125
RH-357508
+5VD+5V
C300
220u/16V
C301
104
L126
RH-357508
+5VCPCPU5V
C302
220u/16V
C303
104
PGND
L127
RH-357508
+6.8AVA+6.8V
C304
220u/16V
C305
104
C306
104
L128
RH-357508
-6.8AVA-6.8V
C307
220u/16V
C308
104
C309
104
-24V
CPU5V
CPU5V
STBY
A+6.8V
A-6.8V
A+9V
F+
F-
GND
L129
RH-357508
PGND
R278
0/1206
R279
0
R280
0/1206
R281
0/1206
R282
0/1206
PGND
VD124
1N4148
R284
1.8K/0.1%-1/8W
R286
0/1206
L132
RH-357508
+9VA+9V
C317
220u/16V
C318
104
1
3
5
4
6
10
7
8
11
12
9
T1
BCK-19-0223
VD126
6.8V
C319
V118
2N5551
VD125
22V
R252
47K
H-GND
R260
22/2W
R208
1M/0.5W
R294
330/0.25W
P_LED2
P_LED3
LED2
LED3
1 2 3 4 56
A
B
C
D
E
F
6
54321
F
E
D
C
B
A
MA-1000/MA-2000 DISPLAY BOARD
SW1
1
IR-IN
2
SDA
3
SCL
4
Dout
5
Din
6
Vss
7
CLK
8
STB
9
Key1
10
Key2
11
Key3
12
Key4
13
Vdd
14
Seg1/KS1
15
Seg2/KS2
16
Seg3/KS3
17
Seg4/KS4
18
Seg5/KS5
19
Seg6/KS6
20
Seg7
21
Seg8
22
Seg9
23
Seg10
24
Seg11
25
Seg12/Grid11
26
Vee
27
Seg13/Grid10
28
Seg14/Grid9
29
Seg15/Grid8
30
Seg16/Grid7
31
Grid6
32
Grid5
33
Grid4
34
Grid3
35
Grid2
36
Grid1
37
Vdd
38
PWCTL
39
LED3
40
LED2
41
LED1
42
Vss
43
OSC
44
N100
TP6317
G1
G2
G3
G4
G7
G6
G5
G7
G6
G5
G4
G3
G2
G1
1
2
3
4
5
6
7
8
9
10
11
12
XP1
CON12
F-
F+
-24V
STBY
C103
47u/16V
R101
4.7K
VD100
1N4148
+5VCP
-24V
+5VCP1
-24V
C117
47u/16V
R118
5.1K
R112
220
R113
220
R114
220
C101
47u/16V
C102
473
OUT
1
VS
3
GND
2
N101 REMOT
C118
473
R120
47
P_REM
C114
221
C115
221
C116
221
C110
473
S106
S105
VD110
1N4148
VD111
1N4148
VD109
1N4148
S108
R123
10K
R115 10K
R116 10K
R106
510
VD108
R LED
+5VCP1
R104
200
V100
2N5551
R105
510
R108
10K
R107
2.7K
R103
200
R102
200
+5VCP1
+5VCP1
+5VCP1
R117 100
R119
33K
+5VCP1
C109
10u/50V
R109
510
VD106
R LED
P_DDA
P_DCK
P_DST
P_REM
R100
4.7K
C100
103
L100
100uH
C104
47u/16V
C105
473
+5VCP
P_DDA
P_DCK
P_DST
+5VCP1
VD101
B LED
VD102
B LED
VD103
B LED
C108
220u/16V
+5VCP1
VD105
R LED
VD107
R LED
R110
300
VD104
R LED
P_DDA
P_DCK
P_DST
P_REM
S107
F1
1
F1
2
NP
3
P1
4
P2
5
P3
6
P4
7
P5
8
P6
9
P7
10
P8
11
P9
12
P10
13
P11
14
P12
15
P13
16
P14
17
P15
18
F2
19
F2
20
F2
21
F2
22
NP
23
7G
24
6G
25
5G
26
4G
27
3G
28
2G
29
1G
30
NP
31
NP
32
NP
33
NP
34
NP
35
NP
36
NP
37
NP
38
F1
39
F1
40
DS100
HL-D730
S15
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
C106
47u/16V
C107
220u/16V
LED
LED
VD112 1N4148
VD113
1N4148
R122
10K
R126
300
R127
47K
R128
47K
1
2
3
XS6
1
2
3
XS7
a
b
cd
e
f
R121
200
VD114
B LED
61000A
+5VCP1
F+
F-
F+
F-
LED1
LED2
LED3
LED1
+5VCP1
P_LED2
P_LED3
LED2
LED3
C111
220u/16V
C112
220u/16V
C113
220u/16V
a
b
cd
e
f
S100
1
2
3
XP6
1
2
3
XP7
a
b
cd
e
f
61000B
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