Alto MAXIDRIVE3.4-SM Schematic
Service Manual
Model: MAXIDRIVE3.4
3-WAY STEREO DIGITAL CROSSOVER
www.altoproaudio.com
Version: 1.1
CONTENTS
1. Specification…………………………………………. 2
2. Block Diagram………………………….…………… 1
3. Schematic Diagram..………………….,……..……. 9
4. Printed Circuit Board………………………………. 8
5. Wiring Diagram…………………………………..…. 1
6. Test Procedure………………………………….…… 0
7. Electrical Parts List………………………………… 18
8. Exploded Views & Mechanical Parts List………… 1
9. Troubleshooting………………………………..……. 0
10. Notes…………………………………………….…… 0
2/ Tqfdjgjdbujpot
General specifications:
INPUT section
Connectors 2 x COMBO
Nominal input sensitivity 0dB(0.775v)
Input Impedance 30KOhm
Max.Input level +20dBu
Input Gain –30/+6 dB step 0.5dB
Digital input AES/EBU, XLR-F
Digital input sample rate 32kHz/48kHz
Output section
Connectors 6 x XLR-M
Output Impedance 600Ohm
Nominal Output level 0dBu
Maximum Output level +20dBu
Outpu t Gain –30/+6dB step 0.5dB
DSP Section
A/D converters 20bit
D/A converters 20bit
Internal dynamics 40bit
Sampling fequency 48kHz
Features
Configuration 2-WAY STEREO, 3-WAY STEREO,
2,3,4,5,6-WAY MONO
Crossover Filters Type Bessel , Butter worth or Linkwitz-Riley
Crossover Filters Slope 6, 12, 18, 24, or 48dB per octave
Delay Step 21 microseconds minimum
Max Delay time 2621 ms (inputs), 291 ms(output)
EQ filters Up to 40 maxi mum (depending on the
crossover slope)
EQ Type Peak, 6dB Lo-Shelf, 12dB Lo-Shelf, 6dB H i-Shelf,
12dB Hi-S helf, Notch +/-15dB, variable in 0.05
steps
EQ Gain +/-15dB, variable in 0.5dB steps
EQ Bandwidth 0.05 to 3.00 octaves, variable in 0.05 st eps
EQ freq 15.6Hz to 16kHz
Dynamics Digital limiter on all the output
Memories FACTORY PRESETS are 10+128 USER PRESETS
+128 CARD PRESETs
Communicat i ons 9-pin RS232, XLR-F RS 485 IN, XLR-M R S485 O UT
General Performance(with filters out)
Frequency Response 20Hz-20KHz, 0.25dB
Dynamic range >117dB 20Hz to 20KHz
>120dB 20Hz to 20KHz on AES/EBU input
Channel Separation >100dB 20Hz to 20KHz
Distortion(THD) 0.05%, 20Hz to 20KHz
Input Meter -24dB, -18dB, -12dB, -6dB, CLIP relative to Clip
point(+20dBu)
Outpur Meter -24dB, -12dB, -6dB, LIMIT relative to limiter
threshold setting, CLIP
General
Dimensions 483 x 44 x 300mm
Weight 4.0kg
IN A
2.Block Diagram
IN A
IN B
IN A
ADC
ADC
ADC
ADC
R
O
U
T
I
N
G
4321
3.Schematic Diagram
+5VD
SD_OUT
QS'
10
QS
9
11
R22
R20
1K2
DELAY
DL42 RED
+5VD +5VD
AR1
4K7*4
78
56
34
12
78
56
34
12
AR4
4K7*4
C4
10U
+5VD
C14
104P
D
IC3A
HCF4094
R18
1K2
1K2
UTILITY
DL41 RED
DL44 RED
R6
10K
R31
10K
QH9QH
IC6A
74HC165D
A11B12C13D14E3F4G5H
SW11
MUTE3
C15
220U
R8
1K
R13
3K9
PRESET
7
SW12
MUTE4
R21
1K2
DL43 RED
SW13
SW14
MUTE5
MUTE6
D04D15D26D37D414D513D612D7
EDIT
SW10
MUTE2
IC1D
89
D
CP
STR
EO
2CI15
S/L1CK
SW9
SW3
MUTE1
ENTER
74HC14D
10
SIN
6
SW8
ESC
1 2 IC1A
2
3
1
15
+5VD
IC1C
74HC14D
10
9
R25
1K2
R26
1K2
MUTE1
DL46 RED
DL45 RED
IC2A
AR2
4K7*4
78
56
34
12
78
56
34
12
AR3
4K7*4
IC1B
74HC14D
74HC14D
5 6
3 4
C
QS'
QS
11
R28
1K2
MUTE2
MUTE3
DL47 RED
7
QH9QH
74HC165D
A11B12C13D14E3F4G5H
SW4
MODE
IC4B
74HC04D
3 4
IC5A
HCF4094
R27
1K2
MUTE4
DL48 RED
SW2
SW6
SW1
GIU
PAG UP
PAG DW
SW7
+5VD
D04D15D26D37D414D513D612D7
R30
R29
1K2
1K2
MUTE5
DL49 RED
DL50 RED
10
2CI15
S/L1CK
SIN
6
SW5
SU
+5VD
30P-ENCODER
D
CP
STR
EO
MUTE6
R7
10K
R24
IC1F
2
3
1
+5VD +5VD
10K
IC4A
74HC04D
IC4C
74HC04D
R3
5K6
74HC14D
12 13
B
A
00 of
VER020610
C.C.LIN
RevisionModel No:
15
4148
100K
+5VD
+5VD
5K6
10 11
C8
C9
IC4E
IC4D
IC1E
OUT EN
10U
C17
10K
R19
R14
10K
47P
47P
CLOCK1
1011
74HC04D
89
74HC04D
R1
C1
R2
C2
R12 10R
74HC14D
5K6
103P
5K6
103P
R10 10R
1213
R11 10R
R15 10R
R16 10R
D1
R23
1 2
5 6
R5
C16
C7
CLOCK
C10
IC4F
R17 10R
P80
47P
47P
STROBE LED
47P
74HC04D
Display front board
MAXIFP2.SCH
P90
P80
P90
+5VD
147
168
168
P80
168
R4
4R7 1/2W
168
MAXIDRIVE
Titel
CN4
2P2.5
1
2
C18
10U
Drawn By:
Sheet
Display front board
27-Aug-2002
MAXIFP1.Sch
A4
Size
File:
Date:
P90
IC1G
74HC14D
C3
104P
IC2B
74HC165D
C5
104P
IC6B
74HC165D
C13
104P
IC5B
HCF4094
C12
104P
IC3B
HCF4094
TO DISPLAY
123456789
CN1
CN2*4-2
C6
147
1011121314
D
CN2
CN2*10
TO CPU
123456789
C
1011121314151617181920
B
IC4G
C11
A
104P
74HC04D
104P
1 2 3 4
4321
168
C20
+5VD
168
C19
104P
104P
D
IC8B
HCF4094BM
IC7B
HCF4094BM
168
C22
+5VD
168
C21
104P
104P
IC10B
HCF4094BM
IC9B
HCF4094BM
C
168
C23
+5VD
104P
IC11B
HCF4094BM
10
QS'
9
IC9A
HCF4094BM
STR
1D2CP3
B
DL39
R55
1K2
-12dB
R54
1K2
DL37
QS
D7
11
D6
12
D5
13
D4
14
D3
7
D2
6
D1
5
D0
4
EO
15
R53
R52
R51
R50
R49
R48
1K2
1K2
1K2
1K2
1K2
1K2
DL34
DL40
DL38
DL36
DL33
OUT6
-6dB
OUT6
CLIP
OUT6
LIMIT
OUT6
-24dB
OUT6
-24dB
OUT5
-12dB
OUT5
-6dB
OUT5
A
RevisionModel No:
MAXIDRIVE
Titel
Size
22 of
VER020610
C.C.LIN
Drawn By:
Sheet
Display front board
27-Aug-2002
MAXIFP2.Sch
A4
File:
Date:
10
10
QS'
QS'
9
QS
IC11A
HCF4094BM
STR
1D2CP3
9
QS
IC10A
HCF4094BM
STR
1D2CP3
DL31
R71
1K2
-24dB
DL27
R70
1K2
-12dB
DL23
R69
R68
R67
R66
R65
R64
1K2
1K2
1K2
1K2
1K2
1K2
DL19
DL26
DL22
DL15
DL14
D7
11
D6
12
D5
13
D4
14
D3
7
D2
6
D1
5
D0
4
EO
15
OUT3
-6dB
OUT3
LIMIT
OUT3
-24dB
OUT2
-12dB
OUT2
-6dB
OUT2
LIMIT
OUT2
DL16
R63
OUT3
1K2
DL4
R62
1K2
DL7
R61
1K2
D7
11
D6
12
D5
13
D4
14
D3
7
D2
6
D1
5
D0
4
EO
15
R60
R59
R58
R57
R56
1K2
1K2
1K2
1K2
1K2
DL11
DL12
DL8
DL3 DL5
B
-24dB
A
-12dB
A
-18dB
A
-24dB
B
-18dB
B
-12dB
B
-6dB
B
CLIP
R72
9
10
QS
QS'
IC8A
HCF4094BM
STR
1D2CP3
D7
D6
D5
D4
D3
7
D2
6
D1
5
D0
4
EO
15
0R
9
10
QS
QS'
IC7A
HCF4094BM
STR
1D2CP3
D7
D6
D5
D4
D3
7
D2
6
D1
5
D0
4
EO
15
R47
R46
R45
11
12
R44
13
14
R43
R42
R41
R40
R39
R38
R37
11
12
R36
13
14
R35
R34
R33
R32
1K2
1K2
1K2
1K2
1K2
1K2
1K2
1K2
1K2
1K2
1K2
1K2
1K2
1K2
1K2
1K2
DL35
DL32
DL25 DL30
DL29
DL28
DL24
DL18 DL20
DL13
DL17
DL10 DL21
DL9
DL6
DL1 DL2
-24dB
OUT4
-12dB
OUT4
CLIP
OUT5
LIMIT
OUT5
-6dB
OUT4
LIMIT
OUT4
CLIP
OUT4
CLIP
OUT3
-6dB
OUT1
-12dB
OUT1
-24dB
OUT1
CLIP
OUT2
LIMIT
OUT1
CLIP
OUT1
A
-6dB
A
CLIP
CLOCK1
D
1 2 3 4
CLOCK
SD_OUT
OUT EN
STROBE LED
C
B
A
D
C
B
A
SHUNZA
PCB# F313072
4321
Number RevisionSize
DX26 CPU & AD/DA BOARD
F313072.PRJ (F3130372 MAIN PROJECT)
A4
Title
Date: 20-Oct-2002 Sheet of
File: D:\zhong\PRODUCT\DX26\SCHPCB\DX26.ddbDrawn By:
A/D INTPUT
AD-IN.SCH
DIGITAL I/O BUS
RXP
RXP
DIGITAL I/O BUS
RXN
RXN
MUTE
DIGITAL I/O BUS
MUTE
D/A CONVERTER OUTPUT
DA-CONV.SCH
DSP CPU MAIN
DSP-CPU.SCH
D
DSP CPU POWER
DSP-PS.SCH
1 2 3 4
C
B
A
87654321
DSP DATA BUS
AR3
4.7K*4
AR2
4.7K*4
AR11
4.7K*4
AR15
4.7K*4
AR28C
4.7K*4
AR28D
4.7K*4
AR29
4.7K*4
AR16 100R*4
AR19 100R*4
AR4 100R*4
AR5 100R*4
AR39C 100R*4
AR39B 100R*4
+5VD
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
5 6
7 8
1 2
3 4
5 6
7 8
DATA/OUT1
DATA/OUT2
DATA/OUT3
DATA/OUT4
DATA/OUT5
DATA/OUT6
LRCK
BB_LE
BCLK
+5VD
STBSWT
STBLED
LGND
DIGIT IN
LRCK L/R
LGND
D0_L/R
D1_L/R
D2_L/R
D3_L/R
BIR5
BIR6
SYSCLK
12.288MHZ
DD0
DD1
DD2
DD3
DD4
DD5
DD6
DD7
DD8
DD9
DD10
DD11
DD12
DD13
DD14
DD15
DD26
DD27
DD28
DD29
DD30
DD31
P23
(48KHZ)
(3.072MHZ)
DA0
DA1
DA2
DA3
DA4
DA5
DA6
DA7
DA8
DA9
DSP ADDR BUS
AR21
100R*4
AR25
100R*4
R65
100R
R68
+5VD
100R
12
34
AR18
56
4.7K*4
78
12
34
4.7K*4
56
78
AR28A
12
4.7K*4
34 AR28B
4.7K*4
DRAS
DCAS
DWR
DOE
2
AD0
3
AD1
4
AD2
5
AD3
7
AD4
8
AD5
9
AD6
10
AD7
31
AD8
32
AD9
33
AD10
34
AD11
36
AD12
37
AD13
38
AD14
39
AD15
AR17
DA0 DD0
18
DA1
19
DA2
20
DA3
23
DA4
24
DA5
25
DA6
26
DA7
DA8
28
DA9
11
12
15
13
DWR
14
DRAS
30
31
DCAS
29
DOE
IC10A
25
24
AA2
23
AA3
22
AA4
21
AA5
20
AA6
19
AA7
18
AA8
8
AA9
7
AA10
6
AA11
5
AA12
4
AA13
3
AA14
2
AA15
1
AA16
48
AA17
17
AA18
16
AA19
26
11
WO
28
OE
12
+5VD +5VD
A_CS3
CPU DATA BUS
DD0
A0
DD1
A1
DD2
A2
DD3
A3
DD4
A4
DD5
A5
DD6
A6
DD7
A7
A827DD8
A9
DD9
DRAM 1M*16
NC
DD10
NC
DD11
NC
DD12
WR
DD13
RAS
DD14
OCAS
DD15
CCAS
OE
EN29F800B-70T
( AM29F800BB-90EC )
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
D10
A11
D11
A12
D12
A13
D13
A14
D14
A15
D15
A16
A17
RY/BY
A18
CS
WE
OE
RST
BYTE
NC
NC
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
NC
NC
NC
NC
IC14 GM71C18163CJ-6
17
IC27D
2
3
DD1
4
DD2
5
DD3
7
DD4
8
DD5
9
DD6
10
DD7
33
DD8
34
DD9
35
DD10
36
DD11
38
DD12
39
DD13
40
DD14
41
DD15
32
16
29
AD0
31
AD1
33
AD2
35
AD3
38
AD4
40
AD5
42
AD6
44
AD7
30
AD8
32
AD9
34
AD10
36
AD11
39
AD12
41
AD13
43
AD14
45
AD15
15
9
10
13
14
47
1 2
9
10
12
13
12
13
LGND
89
1011
1213
89
1011
1213
74HC04D
IC27E
74HC04D
IC27F
74HC04D
IC30A
74HC04D
IC30D
74HC04D
IC30E
74HC04D
IC30F
74HC04D
8
11
11
IC28C
74HC32D
IC28D
74HC32D
IC5D
74HC08D
D
C
1
2
3
4
5
6
7
8
11
71
72
73
74
75
80
IC20B MMS-REDLG
D_D0
D_D1
D_D2
D_D3
D_D4
D_D5
D_D6
D_D7
D_D8
D_D9
D_D10
D_D11
D_D12
D_D13
D_D14
D_D15
P04/D26
P05/D27
P06/D28
P07/D29
P08/D30
P09/D31
3
AA1
D_A0
D_A1
D_A2
D_A3
D_A4
D_A5
D_A6
D_A7
D_A8
D_A9
D_A10
D_A11
D_A12
D_A13
D_A14
D_A15
D_A16
D_A17
D_A18
D_A19
D_CS0
D_CS1
D_CA5
D_OE
D_WR
35
7 8
36
5 6
39
3 4
40
1 2
41
7 8
42
5 6
43
3 4
44
1 2
45
46
49
DD16
50
DD17
51
DD18
52
DD19
53
DD20
54
DD21
55
DD22
56
DD23
57
DD24
58
DD25
30
31
32
34
33
16
AA1
17
AA2
18
AA3
19
AA4
22
AA5
23
AA6
24
AA7
25
AA8
26
AA9
15
12
11
30
13
WR
14
RAS
28
UCAS
29
LCAS
27
DE-R
DD16
DD17
DD18
DD19
DD20
DD21
DD22
DD23
DD24
DD25
7 8
5 6
3 4
1 2
AR22
100R*4
A0
DD0
A1
DD1
A2
DD2
A3
DD3
A4
DD4
A5
DD5
A6
DD6
A7
DD7
A8
DD8
NC
DD9
NC
DD10
NC
DD11
256K*16 DYNAMIC RAM
NC
DD12
WR
DD13
RAS
DD14
OCAS
DD15
CCAS
OE
IC6A AS4C256K16F0-60JC
( Fast page mode DRAM )
201
DD0
202
DD1
203
DD2
204
DD3
205
DD4
206
DD5
207
DD6
DD7
DD8
DD9
DD10
DD11
DD12
DD13
DD14
DD15
DD26
DD27
DD28
DD29
DD30
DD31
IC28A
74HC32D
2
1
DIGITAL I/O BUS
CPU ADDR BUS
R76 10K
BIR0
BIR1
+5VD
12
34
56
4.7K*4
78
12
34
56
4.7K*4
78
12
34
56
4.7K*4
78
12
34
56
4.7K*4
78
WR
OE
W0
W1
A_CS0
P30/A30
A_CS3
+5VD
AR31
AR26
AR27
AR24
B
A
AR6
4K7*4
AR8
4K7*4
AR10
4K7*4
+5VD
LGND
3 4
1 2
R40 4K7
R47 4K7
R44 4K7
J1B
IDC4
J1A
IDC4
96
67
68
69
70
IC20A MMS-REDLG
A_A0
A_A1
A_A2
A_A3
A_A4
A_A5
A_A6
A_A7
A_A8
A_A9
A_A10
A_A11
A_A12
A_A13
A_A14
A_A15
A_A16
A_A17
A_A18
A_A19
A_LCAS_W0
A_A20
A_UCAS_W1
A_A21
A_A22
A_A23
P23/ALE
P00/D28
P01/D29
P02/D30
P03/D31
A_D0
A_D1
A_D2
A_D3
A_D4
A_D5
A_D6
A_D7
A_D8
A_D9
A_D10
A_D11
A_D12
A_D13
A_D14
A_D15
A_WEB
A_DE
A_CS0
A_CS1
A_CS2
A_CS3
P30/A30
P31/A31
P24/ACK
INT0
INT1
INT2
INT3
105
AD0 AD0
106
AD1 AD1
109
AD2 AD2
110
AD3 AD3
111
AD4 AD4
112
AD5 AD5
113
AD6 AD6
114
AD7 AD7
115
AD8 AD8
116
AD9 AD9
117
AD10 AD10
118
AD11 AD11
121
AD12 AD12
122
AD13 AD13
123
AD14 AD14
124
AD15 AD15
135
7 8
136
5 6
139
3 4
140
1 2
125
7 8
132
5 6
133
3 4
134
1 2
103
104
1 2
97
7 8
126
INT_0
127
INT_1
128
ERROR
129
INT_3
AR20 100R*4
AR23 33R*4
AR39A 100R*4
AR39D 100R*4
P23
P00
P01
182
181
180
179
178
160
159
158
151
152
153
154
155
156
162
163
164
165
166
167
168
169
170
171
AR12
AA20
AA19
AA23
AA22
AA21
AA16
AA18
AA17
AA15
AA14
AA13
AA12
AA11
AA10
AA9
100R*4
AR13
100R*4
AR14
100R*4
AR9
100R*4
AR7
100R*4
R45 1K
R41 1K
12
34
56
78
34
56
12
78
78
56
34
12
3 4
AA2
1 2
AA3
AA4
1 2
AA5
3 4
AA6
5 6
AA7
7 8
1 2
AA8
3 4
AA9
5 6
AA10
7 8
AA11
AA12
1 2
AA13
3 4
AA14
5 6
AA15
7 8
AA16
1 2
AA17
3 4
AA18
5 6
7 8
AA19
AA20
AA21
AA22
AA23
R77 4K7
1 2
3 4
5 6
7 8
AR30
4K7*4
LGND
R72 100R
MUTE
7 8
AA0
5 6
AA1
DX26 DSP-CPU BOARD (PCB#F313072)
Title
DX26 CPU & AD/DA BOARD
DSP-CPU.SCH (F3130372 DSP MAIN)
Number RevisionSize
A3
Date: 20-Oct-2002 Sheet of
File: D:\zhong\PRODUCT\DX26\SCHPCB\DX26.ddbDrawn By:
PCB# F313072
SHUNZA
CN9 CN2*10
SD_IN
1 2
SD_CLK
3 4
STBLED
5 6
PRG
7 8
DB1 DB2
9 10
DB3 DB4
11 12
DB5 DB6
13 14
DB7 DE
D
1
2
3
4
5
6
CN7
CN2*3
DCS2
RSRX
RSTX
15 16
17 18
19 20
C
+5VD
1
2
3
4
5
6
7
8
9
10
CN2
CN2*5
4
5
6
B
LGND LGND LGND
LGND
IC35
MAX709
NC1VCC
NC
NC
NC
IC30C
74HC04D
RST
GND
BIR6
BIR5
BIR1
BIR0
NC
5 6
R86
47K
XT1
24.576MHZ
C164
C165
15P
15P
SD_OUT
STBSWT
PWM DIS
RXRST
RXP
RXN
DIAL1
DIAL0
+5VD
2
1 2
7
3
8
3 4
IC30B
74HC04D
R85
220R
DB0
DRST
DIAL1DIAL0
6
7 4
R106
33K
R107
33K
C184
104P
IC36A
74HC14DT
R105
10K
R87
100R
LGND LGND
IC26B
D
CLK
10
9
Q
SD
8
Q
CD
2
3
74HC74D
12
11
LGND
13
D2
A
560R
R98
10K
C182
RLS4148R97
IC36E
74HC14DT
1011
1U
C183
LGND LGND
+5VD
AR36
4.7K*4
AR34
4.7K*4
AR37
4.7K*4
IC32A MAX485E
TRANSCEIVER
5 6
C181
104P
LGND
+5VD
PRG
IC36B
74HC14DT
3 4
+5VD
4
74HC74D
D
SD
CLK
CD
1
IC36D
74HC14DT
R96 4K7
Ro
De
Di
IC36F
74HC14DT
IC36C
74HC14DT
R71
4K7
R88
100R
R70
100R
IC26A
Q
Q
2Re
1
3
1213
D1
RLS4148
5
6
89
LGND
MD0_I
MD0_O
INT_1
INT_0
MD2_O
INT_3
C150
220P
12
34
56
78
78
56
34
12
78
56
34
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DE
D/I
DCS1
DCS2
DRST12
P30/A30
A_CS0
P00
5 6
P01
PWM DIS
AR32 100R*4
1 2
3 4
5 6
7 8
MD0_O
MD0_I
RSTX
RSRX
MD2_O
R73 220R
R74 220R
SD_IN
SD_OUT
SD_CLK
R75 220R
INT_0
INT_1
LGND
REFCLK
7 8
DB0
5 6
DB1
3 4
DB2
1 2
DB3
1 2
DB4
3 4
DB5
5 6
DB6
7 8
DB7
DE
D/I
DCS1
DCS2
DRST
W0
W1
IC27C 74HC04D
OE
C84 220P
R43 100R
AR35
100R*4
AR33
100R*4
R95 100R
9
10
1
2
4
5
4
5
C149
220P
LGND
LGND
IC5C
74HC08D
74HC08D
74HC08D
74HC32D
IC33A 74HC374DW
5
9
15
19
IC34A 74HC374DW
5
9
15
19
Q02D0
Q1
Q26D2
Q3
Q412D4
Q5
Q616D6
Q7
OE1CP
Q02D0
Q1
Q26D2
Q3
Q412D4
Q5
Q616D6
Q7
OE1CP
8
3IC5A
6IC5B
6IC28B
R39
4K7
3
4
D1
7
8
D3
13
14
D5
17
18
D7
11
3
4
D1
7
8
D3
13
14
D5
17
18
D7
11
LGND
R38
4K7
LGND LGND LGND LGND
IC20C MMS-REDLG
100
149
183
177
173
83
P12/BIR0
84
P13/BIR1
85
P14/BIR2
86
P15/BIR3
87
P16/BIR4
88
P17/BIR5
89
P18/BIR6
90
P19/BIR7
91
P20/BIR8
64
MD0_O
59
MD0_I
65
MD1_O
60
MD1_I
66
MD2_O
61
MD2_I
98
P25/SDI
99
P26/SDO
P27/SCK
94
P21/AD0
95
P22/AD1
ADCIN
TESTE
REFCLK
REFOUT
29
RST
24
XTIN
25
XTOUT
CK256FS
CK64FS
BB_LE
BB_LA
FSYNC_O
FSYNC_I
P11/CK32
P10/CK32
M4_WS
M4_LA
MOD0
MOD1
MOD2
MOD3
MOD4
MOD5
MOD6
MOD7
P28/STB0
P29/STB1
DAC0
DAC1
DAC2
DAC3
DAC4
DAC5
ADC0
ADC1
ADC2
ADC3
21
12
13
14
15
16
17
20
22
176
19
18
82
81
196
197
198
199
195
194
186
187
188
189
190
191
192
193
101
102
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
AD11
AD12
AD13
RAS
LCAS
UCAS
OE-R
R29
4K7
7 8
5 6
3 4
1 2
7 8
5 6
3 4
1 2
R69 100R
R92 220R
R91 220R
7 8
5 6
3 4
1 2
7 8
5 6
3 4
1 2
5 6
3 4
1 2 3 4 5 6 7 8
D
C
B
A
SHUNZA
PCB# F313072
123
CN3
CN2*2
4321
D0_L/R
D1_L/R
D2_L/R
D3_L/R
SYSCLK
LRCK L/R
C77
10U
4
AGND
C49
1N8
R20
2N2
560R
470R
19
256F
18
C48
STB
2N2
R21 2K2
AGND
R/IN
R42 100R
17
LRCK
R16 1K2
C38
1N8
R19
BpOOCR27BpOOCL
C39
1N8
47K
16NC15NC28NC10
R17 1K2
C45
AGND
AR1 100R*4
1 2
3 4
5 6
7 8
26
D023D124D225D3
IC8A PCM1760U
Out-2R1In-2R2Out-1R3In-1R4Out-2L14In-2L13Out-1L12In-1L
R30 1K2
R31
1K2
C51
1N8
C50
R22
R18
2N2
470R
R11
C74
10U
AGND AGND
DUAL 20BIT MODULATOR
11
C40 2N2
R12
AGND
560R
R13
L/IN
Number RevisionSize
DX26 CPU & AD/DA BOARD
AD-IN.SCH (F3130372 A/D INPUT)
A4
Title
2K2
47K
Date: 20-Oct-2002 Sheet of
File: D:\zhong\PRODUCT\DX26\SCHPCB\DX26.ddbDrawn By:
AGND
LRCK
RXRST
+5VD
R94
4K7
3
2
4
5
CS
SDI
CCLK
IC31A AD1892JR
CA21CB20CE17CD18CC19CON/PRO15CSCLK16SYNC23MUTE27PD/RST1RXP
104P
C171
SDO
6
QDFS
R93
100R
12
NDSIG
LGND
ERROR
11
10
ERROR
C167
9
INT
103P
8
SFCLK
U/CBIT
TF2
C175
DIGIT IN
LGND
R90
100R
26
24
25
BCLK
SDATA
LRCLK
13
R89
LGND
12
LT-0806M
103P
RXP
REFCLK
28
MCLK
14
110R 1%
RXN
RXN
IC8C
PCM1760U
C46
21
20
1U
-5VA
+5VA
C47
22
1U
67
9
IC8B
PCM1760U
C56
1U
C76
C75
C176
104P
+5VD
4 3
227
IC31B
AD1892
C55
10U
8 5
10U
1U
LGND AGND
1 2 3 4
DIGITAL I/O BUS
D
C
B
A
D
C
B
A
Number RevisionSize
A4
SHUNZA
Date: 20-Oct-2002 Sheet of
File: D:\zhong\PRODUCT\DX26\SCHPCB\DX26.ddbDrawn By:
1 2 3 4
IC20G
MMS-REDLG
104P
10U
175
27 28
76 77
130 131
10U
C101
C79
104P
MMS-REDLG
C106
104P
10U
C107
10U
C103
C105
104P
10U
C104
C99
104P
LGND
LGND
+5VD +5VD
+12V
D3
+5VD
+12V
+5VA
R35
TR1
RLS4148
+5VA
+12V(BATTERY)
12345
CN5
6P2.5
10U
C162
C163
104P
R36
22K
TR2
BC337
1K2
BC327
560R 1/4W
R32
560R 1/4W
R33
2021
6
IC6B
1
M11B416256A-35J
C36
2142
6
IC14B
DRAM 1M*16 DRAM 256K*16
1
GM71C18163CJ-6
C81
C80
37
IC10B
FLASH 8MBit
EN29F800B-70T
C59
C58
AGND
C161
C160
C53
R37
R34
104P
104P
10U
104P
10U
-5VA
AD/DA SUPPLY
FROM POWER SUPPLY BOARD CN6
6
AGND
-5VA
10U
104P
104P
4K7
10U
330R 1/4W C35
B1
4.8V
LGND LGND
35
40
37
22
+5VD
LGND
46
27
85
IC30B
74HC04D
C172
104P
147
IC30G
74HC04D
C166
104P
147
IC26C
74HC74D
C148
104P
147
IC5E
74HC08D
C34
104P
147
IC36G
74HC14D
C180
104P
C108
104P
147
IC27G
74HC04D
C168
104P
147
IC28E
74HC32D
C169
104P
2010
IC34B
74HC374DW
C179
104P
2010
IC33B
74HC374DW
C178
104P
C52
104P
C174
220/25V
1
2
CN6
2P3.9
+5VD
R52
R54
L2
1K5
820R
4321
3V51V5
R53
220R
141142
BLM21
LGND
R49
1K8
143145
LGND
144
146150
LGND
IC20F
C86
C102
+5VD +5VD
+5VD +5VD
R51
820R
BLM21
2K2
220R
C57
Rxx
104P
R50
L1
R46
LGND
C85
220P
LGND
C82
C152
C97
C60
C78
C100
C98
C140
C142
C153
C151
C141
C139
C96
C83
104P
104P
104P
104P
104P
104P
104P
104P
104P
104P
104P
104P
104P
104P
104P
COLLEGARE TRA
PIN 147 E 148
184185
200208
172174
157161
137138
IC20E
119120
MMS-REDLG
107108
9293
7879
6263
4748
3738
2326
910
+5VD
147148
IC20D
MMS-REDLG
PCB# F313072
DX26 CPU & AD/DA BOARD
DSP-PS.SCH (F3130372 DSP,RAM,ROM POWER)
Title
LGND
FROM POWER SUPPLY BOARD CN1
CPU SUPPLY
D
C
B
A
D
C
B
A
OUT1
SHUNZA
Number RevisionSize
A4
Date: 20-Oct-2002 Sheet of
File: D:\zhong\PRODUCT\DX26\SCHPCB\DX26.ddbDrawn By:
AGNDAGND
13 14
OUT4
TR8
J176
AGND
R83
4321
4.7K
C31
100U
7
R10
5
6
R14
6.8K
C30
102P
C173C158
220K
R104
22K
AGND
MUTE
IC4B
2068DD
AGND
C29
470P
R15
6.8K
1
R9
C21
2.7K
220P
14
IC4A
2068DD
3
2
AGND
OUT
CLK2DATA1LE7SRV17RFE19BPO
IC13A PCM1702U
C44
47/25V
12
C28
22U
BCLK
DATA/OUT4
BB_LE
C43
100U
OUT1
TR6
J176
AGND
R81
4.7K
C129
C123
100U
6
7
R59
102P
6.8K
220K
R102
R61
22K
AGND
MUTE
IC24B
2068DD
5
AGND
C130
470P
R60
6.8K
1
R62
2.7K
C133
220P
14
IC24A
2068DD
3
2
AGND
C2
IC11A PCM1702U
AGND-5VA-5VA
AGND AGND
C147
OUT6
TR3
R80
4.7K
C7
100U
7
R2
22K
IC2B
5
6
R3
6.8K
R4
C6
102P
1
R1
2.7K
220P
3
2
14
OUT
CLK2DATA1LE7SRV17RFE19BPO
BCLK
DATA/OUT6
BB_LE
C12
OUT2
TR5
R82
4.7K
C143
100U
7
22K
R66
IC25B
5
6
R63
6.8K
R64
C134
102P
1
R67
220P
2.7K
3
2
14
J176
C5
6.8K
IC2A
J176
C144
6.8K
IC25A
R99
AGND
2068DD
470P
2068DD
AGND
12
C3
22U
100U
R101
AGND
2068DD
470P
2068DD
AGND
220K
220K
AGND
MUTE
AGND
C13
AGND
MUTE
AGND
C155
47/25V
C157
AGND
C9
IC12A PCM1702U
AGND-5VA-5VA
AGND
C122
OUT5
TR4
J176
R79
4.7K
C19
100U
7
R6
22K
IC3B
5
6
R7
6.8K
C17
R8
6.8K
C18
102P
1
R5
2.7K
220P
IC3A
3
2
14
OUT
CLK2DATA1LE7SRV17RFE19BPO
BCLK
DATA/OUT5
BB_LE
OUT3
TR7
J176
R84
4.7K
C118
100U
7
R57
22K
IC23B
5
6
R55
6.8K
C119
R56
6.8K
C112
102P
1
R58
2.7K
220P
IC23A
3
2
14
2068DD
12
C15
C24
2068DD
R100
AGND
470P
2068DD
AGND
22U
100U
R103
AGND
470P
2068DD
AGND
220K
220K
AGND
MUTE
AGND
C25
AGND
MUTE
AGND
C156
47/25V
C159
AGND-5VA-5VA
AGND
AGND
C69
104P
C73
104P
C72
10U
C41
10U
416
IC13B
11
PCM1702U
C54
104P
C42
104P
104P
C110
104P
C111
C90
10U
C89
10U
416
IC17B
11
PCM1702U
C66
C65
104P
104P
C14
104P
C11
104P
C62
10U
C10
10U
416
IC11B
11
PCM1702U
C61
104P
C63
104P
C27
104P
C23
104P
C67
10U
C22
10U
416
IC12B
11
PCM1702U
C64
C68
104P
104P
C127
104P
C128
104P
C94
10U
C93
10U
416
IC19B
11
PCM1702U
C88
104P
C87
104P
C116
104P
C117
104P
C92
10U
C91
10U
AGND
20
15
5
6
DX26 CPU & AD/DA BOARD
DA-CONV.SCH (F3130372 D/A CONVERTER OUTPUT)
Title
20
15
5
6
AGND
CN4 CN2*7
1 2
3 4
5 6
7 8
9 10
11 12
OUT2
OUT3
OUT4
OUT5
OUT6
20
15
5
6
84
IC3C
2068DD
C16
C8
104P
104P
20
15
5
84
IC2C
2068DD
C1
104PC4104P
6
84
IC23C
2068DD
C120
104P
C121
104P
20
15
5
84
IC4C
2068DD
C20
104P
C26
104P
6
AGND AGNDAGND AGND AGND AGNDAGND AGND AGND AGNDAGND
84
IC25C
2068DD
C145
104P
C146
104P
PCB# F313072
20
OUT
CLK2DATA1LE7SRV17RFE19BPO
IC18A PCM1702U
BCLK
DATA/OUT1
BB_LE
DIGITAL I/O BUS
C125
12
C124
100U
416
11
+5VA
15
IC18B
5
PCM1702U
6
C71
C70
104P
104P
IC17A PCM1702U
AGND-5VA-5VA
OUT
CLK2DATA1LE7SRV17RFE19BPO
BCLK
DATA/OUT3
BB_LE
C114
12
100U C113
C109
47/25V
AGND-5VA-5VA
22U
OUT
CLK2DATA1LE7SRV17RFE19BPO
IC19A PCM1702U
C115
47/25V
AGND-5VA-5VA
22U
BCLK
DATA/OUT2
BB_LE
C136
12
C135
100U
C126
47/25V
22U
-5VA
84
IC24C
C131
104P
+5VA
2068DD
C132
104P
1 2 3 4
AGND
-5VA
D
C
B
A
D
C
B
A
SHUNZA
PCB# F313085
4321
147
+3.3V
2
4
OUT
IN
IC1
LM117
3
+5VD
GND
1234567
CS
DATA IN
GND
VCC
CLK
GND
DATA OUT
Number RevisionSize
DX26 MULTI-MEDIA-CARD BOARD
A4
Title
Date: 20-Oct-2002 Sheet of
File: D:\zhong\PRODUCT\DX26\SCHPCB\DX26.ddbDrawn By:
LGND
+3.3V
+3.3V
+5VD
R2
68R
R3
56K
LGND
13
IC2D
74LVC125D
10
8 9
R1
10K
R4
R5
R6
68R
C5
104P
68R
68R
LGND
IC2E
74LVC125D
C3
10U
IC2A
C4
104P
74LVC125D
1
IC2B
74LVC125D
2 3
4
IC2C
74LVC125D
5 6
12 11
1
C2
10U
+5VD
C1
104P
LGND
VCC
VCC
VCC
123456789
CN1
CN-2*5
GND
GND
GND
MOS_I
MOS_OCSCLK
LGND
10
1 2 3 4
D
C
B
A
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