BBK MA2000S Service Manual

Page 1
54321
6
F
CPU5V
VD112
L123
E
C276 471Y1
MA-1000/MA-2000 SUPPLY POWER
1
V+
2
AC
3
AC
V-
DB100 DB104
4
C274
33uF/400V
R256
R257
18K/0.125W
18K/0.125W
R258
R259
18K/0.125W
18K/0.125W
C275
103/1KV
VD110 HER107
D
R261 10K
V118 2N5551
H-GND
H-GND
R252 47K
H-GND
VD125
22V
L122 UT-20 40mH
!
!
H-GND
7
8
5
N125
VIPER22A
D6D
D
D
4
VDD
3
FB
S1S
C277
2
H-GND
H-GND
C319
FL100
T1.6A/250V
!
4 2
!
3 1
!
C273
!
104X2
R208
C
1M/0.5W
2
XS3
~220V
1
T1
1
3
5
4
BCK-19-0223 VD111 HER105
!
C278
4.7uF/160V
N126 HS817
!
12
11
10 9 8
7 6
!
HER105
C279
VD114 SR360
C283 101/50V
C291 101/50V
C293 101/50V
220uF/35V
1000uF/25V
VD115 HER105
VD116 HER105
C294
10uH/1A
R262
22K/0.125W
C284
AK
V117
MCR100-6
G
L124
10uH/1A
C285
470uF/25V
R267
1/0.5W
C295
N128
KA431AZ
R269
R270
R271
R272
Vin
C292 220uF/16V
1.8K/0.1W
2.4K/0.1W
2
VD119
R263
1.2K/0.1W
R260
22/2W
GND
R273
R274
C280 101/50V
Vout
N127 LM7805
220/0.1W
4.7K/0.1W
3
5.1V
VD113 1N4148
R265
22/2W
1
C286
C296
104/50V
150/0.1W
C297 102/50V
1K/0.1W
V116 2N5551
220uF/16V
R284
1.8K/0.1%-1/8W
VD117 SR160
VD118 1N4148
C298
333/50V
C287
VD124
C281
47uF/50V
1N4148
C299
R264
10K
C288
333/50V
R275
180/2W
R276
100/2W
6.8V
VD120
470uF/25V
C282 104/50V
VD126
6.8V
R294 330/0.25W
C289
CPU5V
GND
GND
L129
PGND P_LED2 P_LED3
-24V +5VCP STBY
P_DDA P_DCK P_DST P_REM
R286
0/1206
R278
0/1206
R279
0
R280
PGND
0/1206
R281
0/1206
R282
0/1206
XS1
PGND
1
LED2
2
LED3
3
-24V 4
+5VCP
5
STBY
6
P_DDA
7
P_DCK
8
P_DST
9
P_REM
10
F+
F+ F-
11
F-
12
CON12
STBY
STBY
A+9V
A+9V
A+6.8V
A+6.8V
D+5V
D+5V
C290 472/50V
220uF/16V
GND
GND
F+
F+
F-
F-
CPU5V
CPU5V
-24V
-24V
A-6.8V
A-6.8V
GND
GND
GND
RH-357508
F
E
PGND
D
C
C300 220u/16V
+5VD+5V
C301 104
L126
RH-357508
B
L125
RH-357508
C302 220u/16V
+5VCPCPU5V
C303 104
L127
RH-357508
C304 220u/16V
+6.8AVA+6.8V
C305
C306
104
104
L128
RH-357508
C307 220u/16V
-6.8AVA-6.8V
C308
C309
104
104
L132
RH-357508
C317 220u/16V
+9VA+9V
C318 104
B
PGND
A
A
1 2 3 4 56
Page 2
54321
6
F
F
+5VCP1
e
f
LED2 LED3
P_DDA
P_DCK P_DST P_REM
F+ F-
S100
61000B
P_LED2 P_LED3
P_DDA P_DCK
P_DST
P_REM
XP6
3
e
2 1
f
E
XP1
1 2 3 4 5 6 7 8 9
CON12
10 11 12
D
MA-1000/MA-2000 DISPLAY BOARD
+5VCP
R121
VD114
B LED
+5VCP1
200
VD101
B LED
R102
R104
R103
200
200
200
VD102
VD103
B LED
B LED
C
B
V100
2N5551
C108
220u/16V
F+ F-
L100
100uH
R107
2.7K
cd
b
a
-24V
C104
47u/16V
R108
10K
STBY
C101
47u/16V
R105
VD108 R LED
C106 47u/16V
XP7
1 2 3
+5VCP1
+5VCP1
510
C102
473
cd b a
F-
-24V +5VCP
C105
473
C103
47u/16V
VD105 R LED
220u/16V
+5VCP1
R106
510
C107
S1S2S3S4S5S6S7S8S9
3
2
F11F1
P14P25P36P47P58P69P710P811P9
DS100
HL-D730
C100 103
F+
R101
VD100
4.7K
1N4148
+5VCP1
S8
22
Seg721Seg8 Seg9 Seg10 Seg11 Seg12/Grid11 Vee Seg13/Grid10 Seg14/Grid9 Seg15/Grid8 Seg16/Grid7 Grid6 Grid5
-24V
S9 S10 S11 S12
S13 S14 S15
G5 G6 G7
23 24 25 26 27 28 29 30 31 32 33
NP
40
S1S2S3S4S5S6S7
20
14
13
Vdd
Key312Key4
Key2 Key1
Seg1/KS115Seg2/KS216Seg3/KS317Seg4/KS418Seg5/KS519Seg6/KS6
STB
CLK
Vss Din
Dout
SCL
SDA
IR-IN
SW1
Grid434Grid335Grid236Grid137Vdd38PWCTL39LED340LED241LED142Vss43OSC
C109
10u/50V
C110
473
44
G1G2G3
G4
LED1
LED
R119
33K
+5VCP1
S10
12
P1013P1114P1215P1316P1417P15
G1
VD112 1N4148
VD113
R127
R128
11 10 9 8 7 6 5
R115 10K
4
R116 10K
3
R117 100
2 1
N100
TP6317
C117
R120 47
47u/16V
S11
G4G3G2
LED
S12
47K
47K
S13
1N4148
C118
473
S14
G7G6G5
S15
18
F219F2
+5VCP1 +5VCP1
3
2
20
F221F222NP237G246G255G264G273G282G291G30NP31NP32NP33NP34NP35NP36NP37NP38F139F1
VD109
1N4148
XS6
3
e
2
f
1
S106
C114
N101 REMOT
VS
OUT
GND
R109 510
VD106
C111
VD110
1N4148
R112
R113
R114
C116
221
S107
R118
R LED
220
220
220
5.1K
LED1
VD111
1N4148
C112
S105
S108
220u/16V
XS7
cd
1
b
2
a
3
C115
221
221
1
R100
4.7K
+5VCP1
61000A
R110 300
VD107 R LED
220u/16V
LED2
C113
R122
10K
R123
10K
P_DST
P_DCK
P_DDA
P_REM
R126 300
VD104 R LED
220u/16V
LED3
E
D
C
B
A
A
1 2 3 4 56
Page 3
54321
6
TDA7265
TDA7265
TDA7265
151
56K
7
9
N100
11
C111 22P
56K
7
9
N101
11
C125 22P
56K
7
9
N102
11
1
2
3
4
5
6
7
8
MUTE1
3
5
+Vs
MUTE
IN+
GND
OUT2
IN-
IN-
IN+
OUT1
-Vs
-Vs
1
6
MUTE2
3
5
+Vs
MUTE
IN+
GND
OUT2
IN-
IN-
IN+
OUT1
-Vs
-Vs
1
6
MUTE3
3
5
+Vs
MUTE
IN+
GND
OUT2
IN-
IN-
-Vs
1
C142 22P
R132 27K
GND
IN-
IN+
GND
NC
BOOTS
+VS
-VS
C141 100u/25V
OUT1
-Vs
6
-VS
OUT
+VS
NC
NC
MUTE
S-BY
IN+
N103 TDA7296
VD114
V102 C9015
1N4148
R139
C177
18K
V100 C9014
R140 27K
VD115 1N4148
R145
C178
18K
V101 C9014
R147 27K
C158
103
C159
103
C168
103
C169
103
+18V
C143 47u/35V
C144 47u/35V
STBY
C106 473
C113 473
-18V
+18V
C120 473
C127 473
-18V
+18V
C134 473
C137 473
-18V
-28V
+28V
R104
4.7/0.5W
C107
104
C114
R109
4.7/0.5W
R114
4.7/0.5W
C121
104
C128
R119
4.7/0.5W
R124
4.7/0.5W
C135
104
C145 473
C146 473
MUTE1
104
XS4
1
FR OUT
2
FL OUT
3
GND GND
4
SR OUT
5
SL OUT
6
C OUT
7
CON7
104
MUTE2
MUTE3
~V1
FL101
T6.3AL250V
C174
224
C175
FL102
T6.3AL250V
FL103
T6.3AL250V
FL104
T6.3AL250V
224
C164
224
C165
224
XS9
5 4 3 2 1
R135
4.7/1W
C149 104
R155
10K
R136
100K
103
C148
C176
P_MUTE
XS8
CON2
1 2
SW OUT
CON5
C105 47u/25V
4
8
10
2
C112 47u/25V
C119 47u/25V
4
8
10
2
C126 47u/25V
C133 47u/25V
4
8
10
2
R127
20K
C136 47u/25V
15
14
13
12
11
R133 1K
10
R134 10K
9
R137
1K
VD112 1N4148
R142
1K R143
1K
VD110 1N4148
VD108 1N4004
C156
103
C157
103
~V1
C166
103
C167
103
C154
4.7u/50V
1u/50V
1u/50V
C150
R138 75K
C152
R146 75K
R149
30K
R150 100K
VD105 1N5404
VD104 1N5404
VD101 1N5404
VD100 1N5404
R151 12K
R144 12K
-28V
VD106 1N5404
VD107 1N5404
VD102 1N5404
VD103 1N5404
R101
F
C100
R100
1K
C103
4.7u/16V
C110
4.7u/16V
C108
R105
1K
R106
C109
47K
471
R103
47K
C102
C104
471
22P
R102
1.8K
R107
1.8K
R108 56K
E
R111
C115
R110
1K
C117
4.7u/16V
C124
XS5
FR
D
MA-1000/MA-2000 POWER AMPLIFIER
AGND
AGND
AGND
P_MUTE
P_CH
1 2 3
FL
4
C
5
SW
6 7
SR
8
SL
CON11
9 10 11
P_MUTE P_CH
C
4.7u/16V
C122
R115
1K
R116
C123
47K
471
R121
C129
R120
1K
C131
4.7u/16V
R113
47K
C116
C118
471
22P
R112
1.5K
R117
1.5K
R118 56K
R123
47K
C130
C132
471
22P
R122
1.5K
R125
1K
R126
1K
B
R129 510
C147
XS10
2 1
SWITCH
2
XS6
A
1
~220V IN
FL100
T3.15AL250V
C101
472
XS7
OUT
1 2
R128 1K
R130 20K
C139 471
R131 12K
C138
C140
+28V
-28V
C151
C153
VD113 2V
VD111 2V
C155
4700u/35V
4700u/35V
4700u/35V
4700u/35V
+18V
VD116 1N4148
R141
P_MUTE
20K
C179
VD117
1N4148
103
+18V
VD118 1N4148
R148
P_CH
20K
C180
VD119
1N4148
103
F
E
D
STBY
R153
3.9K/0.25w
+28V
R152
100K
VD109
12V
C
+18V
C160
C162 473
C161
C163 473
-18V
B
+28V
C170
C172 473
C171
C173 473
-28V
A
1 2 3 4 56
Page 4
54321
6
PGND
12 14 15 11
1 5 2 4 6
9
10
+6.8AV
-6.8AV
12 14 15 11
1 5 2 4 6
9
10
R219 10K
220u/16V
R250
C269
N117
CD4052
X0 X1 X2 X3
Y0 Y1 Y2 Y3
VDD
INH
VSS
B
VEE
A
C211 103
C213 103
N118 CD4052
X0 X1 X2 X3
Y0 Y1 Y2 Y3
VDD
INH
VSS
B
VEE
A
V119 S8050
10K
V104 S8550
V108
2N5401
V107 2N5401
R238 200
PGND
X
Y
47u/16V
47u/16V
X
Y
R222
22K
C265
C212
C214
R L
104
R239
22K
13
3
16
8
7
13
3
16
8
7
IN AB
2
3
B601/1206
+5V
+6.8AV
-6.8AV
R215
R216
R217
-6.8AV
+6.8AV
L121
C327
104
R
L
8 4
100u/16V
PGND
47K
47K
18K
N121A 4558
R297 100K
C266 220u/16V
C267
R293 51K
-6.8AV
+6.8AV
1
+9AV
SW IN2
SR IN
SL IN
C IN
FR IN2
FL IN2
VD108 1N4148
R221
T+9V
1K
R240
1K
L117
C268 223
R173
R277
22K
221
R176
SW IN2
R255 1K
R174
22K
22K
N119 M62446
100K
C336
C337
C257
C258
C259
4.7u/16V
4.7u/16V
C222
822
C223
C224
C2164.7u/16V
4.7u/16V C217
4.7u/16V C218
4.7u/16V C219
C220
C221
103
154
1
OUT4
2
OUT3
3
OUT2
4
OUT1
5
AVDD
6
SWIN
7
GNDS
8
SRIN
9
SLIN
10
GNDC
11
CIN
12
GNDR
13
RIN
14
GNDL
15
LIN
16
BYPASR
17
BYPASL
18
LTRE
19
LBASS3
20
LBASS2
21
LBASS1
C260
22P
+9AV
R227
750K
2
3
8 4
R230
330
R189
R224
10K
R225
10K
R226
10K
R190
51K
51K
R175
100K
R177
100K
INB
INA
IN AB
R178
100K
SR IN
SL IN
C IN
C215
104
4.7u/16V
4.7u/16V
10u/16V
4.7u/16V
4.7u/16V
VD104
SW MUTE SR MUTE FR MUTE
V109 S8050
C MUTE SL MUTE FL MUTE
V110 S8050
R266 1K
R268 1K
V111 S8050
V112 S8050
5.1V
LATCH
SWOUT
SROUT
SLOUT
RBASS3
RBASS2
RBASS1
-6.8AV
N122A 4558
+6.8AV
+5VTSEL
DVDD
CLK
DATA
DGND
AGND
COUT
ROUT
LOUT
AVSS
CL1
CL2 CR1
CR2
RTRE
R244
C225 473
42
41
40
39
38
37
36
35
34
33
32
31 30 29
28 27
26 25 24
23
22
C261
1
4.7u/16V
R228
1K
R245 1K
C230 4.7u/16V
C231 4.7u/16V
C232 4.7u/16V
C233 4.7u/16V
C234 4.7u/16V
C235 4.7u/16V
C236
4.7u/16V
C238
4.7u/16V
C239
822
C240 103
C241 154
VD105
1K/1206
47K
R231
20K
C263 47u/16V
C226 47u/16V
C227 101
C237
104
V113 S8050
V114 S8050
R232 100
R195
*C262
10
C228 101
10u/50V
C229 101
L119 221
+6.8AV
-6.8AV
5
6
R229
47K
V105
C9014
R241
4.7K
C271
100u/16V
L118
221
R181 100
R182
R183
C255 103
C316 103
P_TSEL
+9AV
R233 470
C272
+5V
104
+5VTSEL
100
100
-6.8AV
N122B 4558
R242 1K
P_CLK
P_DATA
P_LAT
C160
47u/16V
C173
47u/16V
VD106
7
1N4148
C264
4.7u/16V
V115 2N5401
B601/1206
R246 47K
R300
10K R243
51K
L120
R218
F
R220
47K
C243 103
N121B
6
4558
R196
VD121 1N4148
VD122 1N4148
7
FL OUT FR OUT
C OUT SL OUT SR OUT SW OUT
1K
R285 47K
L130
221
L131
221
5
R234
4.7K
R235 47K
C242
R191
10K
473
R194
1K
R198
47K
R197
1K
R199 47K
R200
1K
R201 47K
R203
1K
R204
47K
R206
1K
R207
47K
R247
P_CH
2.2K
C270 22u/16V
P_MUTE
10K
-6.8AV
+9V
P_CH
SW MUTE
C244
SW OUT
4.7u/16V
C MUTE
C246
C OUT
4.7u/16V
C248
SR MUTE
E
SR OUT
4.7u/16V
SL MUTE
C250
SL OUT
4.7u/16V
FR MUTE
C252
D
FR OUT
4.7u/16V
C
FL MUTE
C254
FL OUT
4.7u/16V
XC102 1 2 3 4 5 6 7 8 9
10 11
C314
FL OUT FR OUT GND C OUT SL OUT SR OUT SW OUT P_MUTE
B
GND P_CH GND
103
PGND
C315
103
A
PGND
200
200
200
200
R213
0/1206
R214
0/1206
C208 47u/16V
C209
104
C210
104
100K
100K
1K
100K
100K
1K
2N5401
R299 10K
P_CE
P_DI
P_CL
P_DO
R236
2.2K
C326
22u/16V
V100
RX3
RX1
RX2
PGND
L116
221
P_TUN
C332
R192
R193
R254 47K
+5DV
22u/16V
R298
2.2K
10K
10K
R248 1K
R253
FR IN1 DR DL
FL IN1
V106 2N5401
4.7K
V103 C9014
+5V
TUN R
TUN L
INB
INA
4.7u/16V C331 C335
4.7u/16V
V120 S8050
R249
4.7K
R237 1K
XC100
F
OPTICAL
TORX178A
XC101A
R
COAX1
COAX2
L
XC101B
E
R
CD
L
XC101C
R
DVD
L
3
2 C253
1
6
5
4
9
8
7
OUT
GND
VCC
104
L140
L100
L137
L138
L139
221
221
221
221 C328
R163
R164
C245
C249
1
2
C207
224
3
C333
102
75
221
75
C334
102
R165 1K
R166
102
R167
C247
102
R168 1K
R169
R170
102
R171
C251
102
R172
103
+5DV
+5DV
D
RX3 RX2 RX1 DL DR
TO DECODER
RX3 RX2 RX1 DL DR
MA-1000/MA-2000 SIGNAL PROCESSING PART -1
FROM CS4360
SR IN
SR IN
SW IN1
SW IN1
SL IN
SL IN
FR IN1
FR IN1
C IN
C IN
FL IN1
FL IN1
-6.8AV
-6.8AV
C
TUNER
XS2
11
P_CE
10
P_DI
9
P_CL
8
P_DO
7
AGND
6
B
A
TUN L T+9V TUN R
AGND
CON11
TO CPU
P_TUN
P_CLK
P_DATA
P_LAT
P_MUTE
P_CH
P_TSEL
+9AV
TO CPU
P_CE P_DI P_CL P_DO
PGND
+5VCP
+5V
5 4 3 2 1
+6.8AV
101
101
101
C310
C311
C312
****
TUN L
TUN R
/1.25扁平电缆插座
P_TUN P_CLK P_DATA P_LAT P_MUTE P_CH P_TSEL +9AV
P_CE P_DI P_CL P_DO PGND +5VCP +5V
+6.8AV
101
C313
R209
R210
R211
R212
T+9V
P_MUTE
1 2 3 4 56
Page 5
54321
6
F
L107
VD2.5
10uH
E
R109
R113 51
D
49326_DI 49326_CK 49326_CS 49326_DO INT_49 DSPRST SDA SCK DARST
MA-1000/MA-2000 SIGNAL PROCESSING PART-3
51
9
RR105
C
8415_ERR 8415_INT
+5DV
8*4.7K
L101
10uH
C113
104
VD3.3
B
XTAL2
XTAL1
R292
R101
51
C104
30P
1 2
0
147
G101
12.288MHz
C103
30P
1M
R102
PGND
N101B
3 4
A
74HC04
1 2 3 4 5 6 7 8
C105
104
N101A 74HC04
VD3.3
C112 1u/50V
+5DV
R291 0
C203
C202
C109
R111 10K
30P
30P
104
R114 51 R112 51 R154 51 R153 R152 51 R151 51 R150 51
C157 1u/50V
51
R103
C205 30P
C114
472
51
N105
CS49326-3
7 8
9 10 11 12 13 14 15 16 17
C110
104
R118
10K
C115
X01
C159
R105
104
4.7K
6
SCK GPIO7 GPIO6 GPIO5 GPIO4 VD2 DGND2 GPIO3 GPIO2 GPIO1 GPIO0
C206
30P
C111 104
R119
1.2K
R162
0
104
C102
104
X02
R104 51
C324
R288 75
101
C108 104
R106 51
XMT958
2
1
DGND1
VD1
SCLK
MCLK
44
43
MCLK
BCK
LRCK
42
WCK
R107 R110
SDIN1
41
R108
4.7K
3
5
4
DIN
EMOE
EMWR
CS4923
CLKSEL
/CS18DOUT19/INT20EXTMEM21SDATAN22VD323DGND324BCK125WCK126CMPDAT
27
DIN2
DIN1
LRCK2
SCLK2
C204 30P
51
R155
1
SDA/CDOUT
SCL/CCLK
2
AD0/CS
AD1/CDIN
3
EMPH
4
RXP0
5
RXN0
6
VA+
7
AGND
8
FILT
9
RST
10
RMCK
11
RERR
12
RXP1
13
RXP2 RXP314RXP4
CS8415ASO
N106
R100
C100 104
104
C101
L135
1.8uH
L136
1.8uH
C325
R289 75
R290 75
101
SDIN2
40
AD0
AD1
AD2
/RESET
AGND
VAA FILT1 FILT2
CLKIN
LR2
BCK2
28
SCLK1
RXP6 RXP5
VD+
DGND
OMCK
INT SDOUT OLRCK OSCLK
DC
DD
H/S
U
0
N101D
74HC04
R205
47K
N101F
74HC04
R287
47K
L102
10uH
N101C
74HC04
VD3.3
C129
+5V
R161
51
SCLK LRCK MCLK
DARST
SCK SDA
C124 104
C126 104
VD3.3
VD3.3
L114
10uH
1u/50V
L113
C155
10uH
104
C127
R156
51
R159
10K
DIN1
C106
C128 104
1u/50V
SCLK1
LRCK1SDA SCK
3
3
N109 AMS11117-3.3
Vin
N110 AMS11117-2.5
Vin
+5DV
C130 104
100u/16V
VD3.3 VD2.5
1N4004
N101E
56
1110
74HC04
51 51
R120
R121
10K
SDIN3
39 38 37 36 35 34 33 32 31 30 29
LRCK1
28 27 26 25 24 23 22 21 20 19 18 17 16 15
C320
98
104
R188
750
C322
1312
104
R202
750
10K
C116 1u/50V
C117
C118
2.2u/50V 104
L104
R122
R123
33K
SCLK2
L133
1.8uH
L134
1.8uH
10uH
C119
VD2.5
103
C135
C121
1u/16V
104
X01
L103
RX3
RX3
RX2
RX2
RX1
RX1
10K
C120
471
DIN2
LRCK2
X02
C321 101
C323 101
C123 1u/50V
L106
C125 1u/50V
VD101
L105
10uH
1 2 3 4 5 6 7 8
9 10 11 12 13 14
1
2
3
4
5
6
7
GND
1
GND
1
N107 CS4360
VLS SDIN1 SDIN2 SDIN3 SCLK LRCK MCLK VD GND /RST DIF1 DIF0 M1 VLC
+5DV
VD3.3
10uH
N108
M0
MCLK
VL
REF_GND
SDOUT
GND
VD
SCLK
LRCK8RST
CS5340
Vout
C131
100u/16V
Vout
C134
100u/16V
MUTEC1 AOUTA1 AOUTB1 MUTEC2 AOUTA2 AOUTB2
AGND AOUTA3 AOUTB3 MUTEC3
FILT+
FILT+
AINR
AINL
R160
0
2
2
28 27 26 25 24 23 22
VA
21 20 19 18 17
VQ
16 15
M2
C122
1u/50V
C143
104
C156
104
C144
1u/50V
L115
FB&0Ohm
C145
DA_L
DA_L
DA_R
DA_R
DA_SL
DA_SL
DA_SR
DA_SR
DA_C
DA_C
DA_SW
DA_SW
L111
VA5
1u/50V
10uH
C147
C146 104
C329
103
C330
104
104
PGND
L112
VA5
R158 100K
10uH
Ain-R
Ain-L
VA5
C136 104
C132
C133
10u/16V
47u/16V
VA5
R251
*0
16
M1
15
C148
14
C150
104
13
VA
12
11
VQ
10
9
+9V
VD3.3
C154
104
100u/16V
VD2.5
C158 104
R157
C107
C161
104
+5DV+5V
C338
103
C339
104
PGND
1u/50V
+9V
1K
C152
VD102
5.6V
C151
104
C153 104
V102 5551
+5DV
PGND
1u/50V
C149 1u/50V
Ain-R
Ain-L
C340
103
C341
104
F
E
D
C
B
A
1 2 3 4 56
Page 6
54321
6
F
V101 9015
R124
RR102
R295 200
R296
+5VP
200
+5VP
P_TSEL
E
MA-1000/MA-2000 SIGNAL PROCESSING PART-4
D
P_TSEL P_DDA P_DCK
P_DST
P_MUTE
P_CH P_CE
P_DI
P_CL P_DO
P_CLK
P_REM
P_DATA
P_LAT
P_TUN
+5VCP
PGND P_LED2 P_LED3
P_DDA P_DCK P_DST P_MUTE P_CH P_CE P_DI
P_CL P_DO P_CLK P_REM P_DATA P_LAT P_TUN +5VCP PGND LED2 LED3
1234567
1234567
8*4.7K
C163
104
9
8
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16 17 18 19 20
PGND
9
8
R125
5.6K
PGND
N116
P10(T2) P11(T2) P12 P13 P14 P15 P16 P17 RST/VPD P30(RXD) P31(TXD) P32(INT0) P33(INT1) P34(T0) P35(T1) P36(WR) P37(RD) XTAL2 XTAL1 VSS
P89C238MBP/B
10K
C164 10u/16V
P00(AD0) P01(AD1) P02(AD2) P03(AD3) P04(AD4) P05(AD5) P06(AD6) P07(AD7) /EA(VPP)
P27(A15) P26(A14) P25(A13) P24(A12) P23(A11) P22(A10)
P21(A9) P20(A8)
1N4148 VD123
VCC
ALE
/PSEN
RH-357508
C162
104
L108
C172
47u/16V
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
4.7K
21
R115
+5VP
RR103
8*4.7K
+5VP
4.7K
R116
3
4
VSS
SDA5SCL6TEST7VDD
R184 470
R185
INT_49 DSPRST SDA SCK DARST 49326_DI 49326_CK 49326_CS
49326_DO 8415_INT 8415_ERR P_SCL P_SDA
4.7K
R117
R186 4.7K
R187 4.7K
XTAL1 XTAL2
470
C
R126 10K
C165
331
R128 100K
R131 100K
R127
6
22K
5
N111B 4558
R129 10K
C167
331
C168
R130
22K
104
2
3
N111A 4558
8 4
-6.8V
C166
7
1
C169
C170 104
Ain-R
Ain-L
Ain-R
Ain-L
DR
1K
R179
DR
B
R180
DL
DL
1K
+6.8V
PGND
N11524C02
A01A12A2
C171 104
8
+5VP
DA_SL
C175
DA_SL
P_SCL
R133
5.6K
C176
272
P_SDA
C187
C190
R136
5.6K
C179
272
R139
15K
C182
473
R142
5.6K
C185
272
R145
5.6K
C188
272
R148
5.6K
C191
272
DA_SR
DA_SW
DA_C
DA_R
DA_L
DA_SR
DA_SW
DA_C
DA_R
DA_L
C178
C181
C184
R132 10K
C174
6
5
R135 10K
2
3
R138 47K
6
5
R141 10K
2
3
R144 10K
6
5
R147 10K
2
3
221
7
C137
N112B 4558
C177
221
N112A
8 4
-6.8V
C192 104
1
C138
4558
C193 104
+6.8V
C180
472
N113B 4558
C183
221
C194 104
N113A
4558
8 4
C186
221
N114B
4558
C189
221
C200
N114A 4558
8 4
C139
7
SR IN
SR IN
SW IN1
SW IN1
SL IN
-6.8V
+6.8V
C140
1
C195 104
7
C141 10u/16V
L110 10uH
C199
C197
104
FR IN1 C IN FL IN1
-6.8AV +6.8AV
SL IN
FR IN1
C IN
FL IN1
-6.8AV
+6.8AV
L109 10uH
C196
104
C198
+6.8V-6.8V
-6.8V
104
1
C142 10u/16V
C201 104
R134
3.9K
R137
3.9K
R140
10K
R143
3.9K
R146
3.9K
R149
3.9K
+6.8V
F
E
D
C
B
+5V
A
A
1 2 3 4 56
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