Alto DIGAN2 30 Service Manual
MODEL:DIGAN2.30
www.altoproaudio.com
Version 1.0
CONTENT
1. Introduction…………………………………………………………………….1
2. Specification…………………………………………………………………...2
3. Block Diagram…………………………………………………………………3
4. Schematic Diagram…………………………………………………………..5
5. Wiring Diagram………………………………………………………………10
6. PCB Layout…………………………………………………………………..11
7. Test Procedure……………………………………………………………...19
8. Exploded View & Mechanical Parts List………………………………..23
9. BOM…………………………………………………………………………..24
1. Introduction
DIGAN 2.30 is the biggest unit in the DIGAN range. It is 2 30 bands stereo equalizer and it the
most versatile processor of this kind. The unit is only 1U and also includes an internal power
supply. It is therefore particularly space-efficient.
The unit makes use of a power 24 bit DSP and 100dB codecs and it comes with USB interface
for easy connection with a remote PC. Did you ever try to operate one of the 2 30 bands
digital equalizers made by other Brands? It would take you at least 30minutes to run a complete
curve. But with the down loadable Windows Editor, you can simply connect DIGAN 2.30 to a PC
via the resident USB interface and will take minutes do adjust the curve and store it into one
of the many memory cells available in the DIGAN 2.3. Not only! We have created 30 Factory
presets for your benefit and there are easily recallable through buttons of the front panel.
And if you are leaving in the digital domain, DIGAN 2.30 is provided with a 24-bit/192 kHz
digital interface and external clock via BNC connector.
If you are working in studio or busy is balancing a mix at mix at Live DIGAN 2.30 is your only
choice at a price that is truly affordable.
Key features and benefits
Stereo 1/3-octave, 2 30 bands digital equalizer
24 bit DSP, 100 dB codecs
Large LED matrix as intuitive User Interface and real time control
Locking mode to prevent unwanted changes
Balanced input and output
30 Factory presets and 60 User presets
Internal power supply
USB interface
Possibility to update the Firmware from Alto Web Site
Free windows, PC Editor
24/192 Digital output
- 1 -
2. SPECIFICATION
System parametric
Filter
Input section
Output section
USB serial port
Power supply
(AC/AC adapter)
physical
Band
Bandwidth
THD+N%
Signal to noise ratio
Input gain
Output gain
Delay line
Preset
High pass filter
Low pass filter
Inputs
Input impedance
Outputs
Output impedance
Input voltage
Power consumption
Dimension
Net weight
(W D H)
2 30 bands,1/3 octave
20Hz-20kHz
<0.015%, Analog In to Analog Out
>90dB A-Weighted, Analog In to Analog Out
+/-12dB
+/-6dB
255ms
Factory preset: 30 , User preset: 50
Freq: 25Hz-25kHz step 1/3 oct
Slope: bypass , -6dB/oct, 12dB/oct
Freq: 20Hz-20kHz step 1/3 oct
Slope: bypass, -6dB/oct, 12dB/oct
Balanced XLR and 1/4" TRS connectors
Balanced > 50Kohm, Unbalanced > 25Kohm
Balanced XLR, 1/4" TRS and SPDIF connectors
Balanced 120ohm, Unbalanced > 60ohm
9 Volt AC Power Transformer
8W
483 150 44
4.8 lbs(2.15kg)
mm
- 2 -
3. Block Diagram
The block diagram of DIGAN2.30 includes Display, DSP and Power In/Out.
Led Display & Key I nput
DSP
mm
Power & In/Out
Display: 732 yellow LED 、 62 green LED、one red LED 、 one dual-seven-band LCD
66 buttons、66 diodes、76 transistors、4 74HC154 、3 74HC574
- 3 -
DSP： 2 TMS57002 、Motorola MCU GP32、ICSI DRAM
IC41LV16256 256Kx16(GLINK GLT4116 64Kx16)、PCM3001、
74HC04、24LC64. If use SPDIF output, please add AK1403; if use USB ,
please add PL2303X。
DRAM
Stereo
In
/
Out
Codec
DSP
x2
Power InputSPDIF USB
MCU
mm
MCU
I/O
Tx/Rx
Power In/Out: USB connector、RS232 DB9 connector、MAX232、SPDIF output
RCA connector 、Stereo Input & Output connector and AC to DC relitivity circuit.
Stereo In / Out
Power
SPDIF USB
- 4 -
Tx/Rx
A
- 5 -
4. Schematic Diagram
1
100N
C30
GND
GND
2u2F
GND
2
+5V
C31
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
TEST2
TEST1
TEST0
EA7
NC
EA6
EA5
VCC
VSS
EA4
EA3
NC
EA2
NC
EA1
EA0
EA8
ED0
24
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
0VFA
BI0
PC0
D7
D6
VCC
VCC
D5
D4
NC
D3
D2
D1
D0
NC
NC
EA9
TMS57002
U9
CLKSEL
CLKIN
RAS
ED1
ED2
ED3
ED4
NC
NC
22
21
23
20
19
18
VSS
ED5
ED6
ED7
WE
17
16
15
14
13
GND
CAS
VSS
12
S01
11
10
9
8
3
100N
C8
GND
EA7
EA6
EA5
EA4
EA3
EA2
EA1
EA0
2u2F
+5V
TEST2
TEST1
TEST0
EA7
NC
EA6
EA5
VCC
VSS
EA4
EA3
NC
EA2
NC
EA1
EA0
41
EA9
EA8
ED0
ED1
C2
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
GND
4
GND
24
ED0
5
6
File:
DIGAN230-CPU_VER050112.Sch
GND
39
38
37
U4A DRAM 256K*16 J
CCAS
OE
27
GND
GND
GND
GND
Date:
Size
A3
DaspMKII
Model No:
23-Mar-2005
36
DD15
DD14
DD13
DD12
OCAS
RAS
WR
NC
NC
29
28
14
13
30
RAS
CAS
DRAM 256K*16 J
40
35
21
Title
ED7
34
33
32
31
10
DD11
DD10
DD9
DD8
DD7
NC
NC
A8
A7
11
12
15
26
25
EA9
EA8
EA7
1
U4B
6
20
GND
C20
100N
PD0
PD1
PD2
PD3
EA9
EA8
46
45
44
43
42
D2
D1
D0
NC
NC
PD4
51
50
49
48
47
VCC
D5
D4
NC
D3
TMS57002
ED2
ED3
ED4
NC
NC
22
21
23
20
19
18
ED1
ED2
ED3
ED1
ED2
ED3
ED4
ED5
ED6
9
8
7
5
4
DD6
DD5
DD4
DD3
DD2
DD1
A6
A5
A4
A3
A2
A1
24
23
22
19
18
EA4WREA3
EA2
EA1
EA5
EA6
*0R
0R
VSS
ED5
ED6
ED7
WE
17
16
15
14
ED4
ED5
ED61ED7
ED0
3
2
GND
DD0
C18
22P
DGND
A0
12.288MHz
X1
17
16
DGND
EA0
C19
22P
DGND
R31
+3.3V
R30
PD7
PD6
PD5
59
58
57
56
55
54
53
52
0VFM
0VFA
BI0
PC0
D7
D6
VCC
U1
CLKSEL
CLKIN
RAS
CAS
VSS
13
12
WR
+5V
S01
S00
11
10
9
8
7
6
CAS
RAS
19
18
17
16
15
XTI
DOUT
DIN
BCKIN
LRCIN
VOUTL
AGND2
VOUTR
CINLN
VCOM
CINPL
VCC2
14
13
12
11
10
B
LT-0806M
RS
64
63
62
61
60
59
58
MUTE
EMPTY
NC
NC
RS
0VFM
65
CS
66
R/W
STRS
NC
VCC
VSS
NC
BCKI
NC
SI0
SI1
+5V
DGND
DGND
28
RSTB
VINL
1
C6 2u2F
67
68
69
70
71
72
73
74
75
76
77
78
79
80
+5V
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
100N
C9
2u2F
C3
U5
PCM3001E
C10
100N
AGND
2u2F
AGND
PLOAD
DREADY
CLOAD
LRCKI
LRCK0
SYPOL
SYNC
BCK0
S00
NC
NC
7
6
5
4
3
2
1
64
63
62
61
60
MUTE
EMPTY
NC
NC
RS
CS
R/W
PLOAD
DREADY
CLOAD
STRS
NC
VCC
VSS
NC
BCKI
LRCKI
NC
SI0
LRCK0
NC
NC
5
4
22
21
20
CLKIO
XTO
CINNR
CINPR
9
8
7
C22 470P
C23 470P
C4 2u2F
SI1
SYPOL
SYNC
BCK0
3
2
1
56P
C41
DGND
100R
R37
27
26
25
24
23
FMT0
FMT1
FMT2
DGND
VDD
AGND1
VREFR
VREFL
VCC1
VINR
6
5
4
3
2
C5 2u2F
PLOAD
CS1
R/W
CLOAD
STRS
GND
RS
PLOAD
CS0
R/W
CLOAD
STRS
GND
74HC393
GND
+5V
100N
C32
SI0
LRCLK
BCK
SO0
CLOCK
100N
C11
SDOUT
SO0
BCK
LRCLK
6
5
4
3
Q3
Q2
Q1
Q0
CLK
MR
SI0
2
1
10
8
9
74HC393
Q3
Q2
Q1
Q0
GND
AK4103A
GND
CLOCK
+5V
U2A
11
U2B
+5VD
CLK
MR
GND
12
74HC393
U2C
GND
7
GND
C21
100N
CLOCK
13
+5V
14
+5VA
C7
C29
2u2F
7 8
IN OUT
U7
LM1117-3.3
AGND
C24
Drawn By:
Sheet
1
Revision
of
Louis Chiang
AGND
AGND
AGND
V031119
10uF
R4
10K
R5
10K
C25
10uF
6
5
10uF
4
3
2
1
C27
10uF
C26
HEADER 6
CN1
GND
G
C33
2u2F
C
HEADER 7
7
6
5
4
PB7
4
TF1
2
R34
0R
14
13
CKS0
BLS
ANS
FS2/CCLK
FS3/SDTO
C1
11
12
GND
3
1
C37
100N
*0R
R36
R35
*0R
*56R
GND
17
16
15
VDD
CKS1
FS1/CDTI
FS0/CSN
10
9
8
C12
100N
R25
21
20
19
18
DIF1
DIF0
TXP
TXN
VSS
MCLK
LRCK
BICK
SDTI
PDN
4
5
7
6
SDOUT
CLOCK
BCK
LRCLK
C1
2u2F
100R
C16
0.47uF
+5V
GND
R33 0R
R26 100R
R21 330R
GND
+5V
24
23
22
U10
U1
DIF2
TRANS
V1
1
3
2
GND
RS
100N
+5V
R1
GND
CN3
C39
3
2
1
GND
R23 22R
R24 22R
17
16
15
PL2303
GND_3V3
VDD_3V3
DM
DP
EE_DATA
EE_CLK
SHTD_N
CTS_N
14
13
12
+5V
C38
R2
10K
C17
100N
56P
GND
C40
56P
GND
C36
100N
+3.3V
C35
100N
R22
1K5
GND
26
25
24
23
22
21
20
19
18
PLL_TEST
GND_PLL
VDD_PLL
LD_MODE
TRI_MODE
GND
VDD
RESET
DCD_N
DSR_N
11
10
9
GND
+5V
VDD_232
RTS_N
RI_N
VDD
GND
RXD
8
7
6
5
4
3
TX
PD5
PD6
PD7
TX
RX
D
1
R28 *0R
R27 *0R
+3.3V
+3.3V
28
27
U8
OSC2
OSC1
DTR_N
TXD
2
1
RX
PD3
PD4
GND
CLOCK
PD0
PD1
PD2
+3.3V
C34
100N
R18
10K
R19
10K
R20
10K
2
+5V
R32 *0R
R29 0R
3
4
31
30
42
43
44
11
10
21
20
19
18
15
14
13
1
9
VREFL
VREFH
CGMXFC
OSC2
OSC1
RST
IRQ
PTE1/R
PTE0/T
PTD7
PTD6
PTD5
PTD4
GND
41
GND
+5V
R17 *0R
+3.3V
VSSA
16
VSS
PTB7/A
PTB6/A
PTB5/A
PTB4/A
PTB3/A
PTB2/A
PTB1/A
U3
HC908GP32
PTC6
PTC5
PTC4
PTC3
PTC2
PTC1
PTC0
8
7
6
5
4
3
2
29
28
27
CS1RSPLOAD
CS0
R/W
CLOAD
STRS
PB7
LGND
PB7
PB6
HEADER 14X2
28
26
24
22
20
18
16
14
27
25
23
21
19
17
15
13
PA6
PA7
PD0PD1
PD2PD3
PD4PD5
LGND
24LC64
GND
PD6PD7
8
7
6
5
U6
VCC
NC
SCL
SDA
GND
NC
NC
A2
4
3
2
1
C15
100N
PTB0/A
PTA7
PTA6
PTA5
PTA4
26
25
24
23
22
39
38
37
PA5
PA6
PA7
R9 4K7
R10 4K7
R11 4K7
R12 4K7
R13 4K7
R14 4K7
R15 4K7
R16 4K7
PB5
PB2
PB3
PB4
12
10
8
6
11
9
7
5
PA2
PA3
PA4
PA5
+5V
+5VL
PB0
PB1
CN2
4
2
3
1
+5VL
PA0
PA1
GND
*BLM21A102SPT
AGND
DGND
GND
L1
*BLM21A102SPT
R8
4R7
12
PTD3
PTD2
PTD1
PTD0
GND
C13
100N
VDD
PTA1
40
17
GND
PTA0
PTA3
VDDA
PTA2
100N
36
35
34
33
32
R3
10K
PA0
PA1
PA2
PA3
PA4
+5V
+5V
+5V
5
C14
6
+5V
C28
100uF
0R
P1
L2
4R7
HEADER 4
4
3
2
1
R6
LGND
+5VA
GND
R7
+5VD
7
CN4
+5VL
+5V
8
A
B
C
D
1110987654321
- 6 -
12
+5VL
TR1
HR
R1
4K7
YEL
RA0
L1
RA1
L2
RA2
L3
RA3
L4
RA4
D
C
L5
RA5
L6
RA6
L7
RA7
L8
RA8
L9
RA9
L10
RA10
L11
RA11
L12
RA12
L13
TR2
HR
R3
4K7
RA0
L14
RA1
L15
RA2
L16
RA3
L17
RA4
L18
RA5
L19
RA6
L20
RA7
L21
RA8
L22
RA9
L23
RA10
L24
RA11
L25
RA12
L26
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR3
HR
R2
4K7
YEL
L27
L29
L31
L33
L35
L37
L39
L41
L43
L45
L47
L49
L51
TR5
HR
R4
4K7
L53
L55
L57
L59
L61
L63
L65
L67
L69
L71
L73
L75
L77
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
12
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR4
HR
R5
4K7
YEL
L28
L30
L32
L34
L36
L38
L40
L42
L44
L46
L48
L50
L52
TR6
HR
R6
4K7
L54
L56
L58
L60
L62
L64
L66
L68
L70
L72
L74
L76
L78
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR7
HR
R7
4K7
YEL
L79
L81
L83
L85
L87
L89
L91
L93
L95
L97
L99
L101
L103
TR9
HR
R9
4K7
L105
L107
L109
L111
L113
L115
L117
L119
L121
L123
L125
L127
L129
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR8
HR
R8
4K7
YEL
L80
L82
L84
L86
L88
L90
L92
L94
L96
L98
L100
L102
L104
TR10
HR
R10
4K7
L106
L108
L110
L112
L114
L116
L118
L120
L122
L124
L126
L128
L130
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR11
HR
R11
4K7
YEL
L131
L133
L135
L137
L139
L141
L143
L145
L147
L149
L151
L153
L155
TR13
HR
R13
4K7
L157
L159
L161
L163
L165
L167
L169
L171
L173
L175
L177
L179
L181
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR12
HR
R12
4K7
YEL
L132
L134
L136
L138
L140
L142
L144
L146
L148
L150
L152
L154
L156
TR14
HR
R14
4K7
L158
L160
L162
L164
L166
L168
L170
L172
L174
L176
L178
L180
L182
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR15
HR
R15
4K7
YEL
L183
L184
L185
L186
L187
L188
L189
L190
L191
L192
L193
L194
L195
TR16
HR
R16
4K7
L196
L197
L198
L199
L200
L201
L202
L203
L204
L205
L206
L207
L208
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR19
HR
R34
4K7
YEL
L209
L211
L213
L215
L217
L219
L221
L223
L225
L227
L229
L231
L233
TR21
HR
R36
4K7
L235
L237
L239
L241
L243
L245
L247
L249
L251
L253
L255
L257
L259
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR20
HR
R35
4K7
YEL
L210
L212
L214
L216
L218
L220
L222
L224
L226
L228
L230
L232
L234
TR22
HR
R37
4K7
L236
L238
L240
L242
L244
L246
L248
L250
L252
L254
L256
L258
L260
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR24
HR
R39
4K7
YEL
L274
L276
L278
L280
L282
L284
L286
L288
L290
L292
L294
L296
L298
TR26
HR
R41
4K7
L300
L302
L304
L306
L308
L310
L312
L314
L316
L318
L320
L322
L324
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR25
HR
R40
4K7
YEL
L275
L277
L279
L281
L283
L285
L287
L289
L291
L293
L295
L297
L299
TR27
HR
R42
4K7
L301
L303
L305
L307
L309
L311
L313
L315
L317
L319
L321
L323
L325
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR32
HR
R47
4K7
YEL
L371
L373
L375
L377
L379
L381
L383
L385
L387
L389
L391
L393
L395
TR33
HR
R49
4K7
L397
L399
L401
L403
L405
L407
L409
L411
L413
L415
L417
L419
L421
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR38
HR
R48
4K7
YEL
L372
L374
L376
L378
L380
L382
L384
L386
L388
L390
L392
L394
L396
TR40
HR
R50
4K7
L398
L400
L402
L404
L406
L408
L410
L412
L414
L416
L418
L420
L422
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR39
HR
R55
4K7
YEL
L475
L476
L477
L478
L479
L480
L481
L482
L483
L484
L485
L486
L487
TR41
HR
R56
4K7
L488
L489
L490
L491
L492
L493
L494
L495
L496
L497
L498
L499
L500
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR44
HR
R59
4K7
YEL
L527
L529
L531
L533
L535
L537
L539
L541
L543
L545
L547
L549
L551
TR46
HR
R61
4K7
L553
L555
L557
L559
L561
L563
L565
L567
L569
L571
L573
L575
L577
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR45
HR
R60
4K7
YEL
L528
L530
L532
L534
L536
L538
L540
L542
L544
L546
L548
L550
L552
TR47
HR
R62
4K7
L554
L556
L558
L560
L562
L564
L566
L568
L570
L572
L574
L576
L578
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR52
HR
R67
4K7
YEL
L631
L633
L635
L637
L639
L641
L643
L645
L647
L649
L651
L653
L655
TR54
HR
R69
4K7
L657
L659
L661
L663
L665
L667
L669
L671
L673
L675
L677
L679
L681
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR53
HR
R68
4K7
L632
L634
L636
L638
L640
L642
L644
L646
L648
L650
L652
L654
L656
TR55
HR
R70
4K7
L658
L660
L662
L664
L666
L668
L670
L672
L674
L676
L678
L680
L682
CA0CA1CA2CA3CA4CA5CA6CA7CA8CA9CA10CA11CA12CA13CA14CA15CA16CA17CA18CA19
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
CA20CA21CA22CA23CA24CA25CA26CA27CA28CA29CA30CA31CA32CA33CA34CA35CA36CA37CA38CA39
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
TR60
HR
R75
4K7
YEL
L735
YEL
L736
YEL
L737
YEL
L738
YEL
L739
YEL
L740
GR
L741
YEL
L742
YEL
L743
YEL
L744
YEL
L745
YEL
L746
YEL
12
L747
+5VL
TR61
HR
R76
4K7
YEL
L748
YEL
L749
YEL
L750
YEL
L751
YEL
L752
YEL
L753
GR
L754
YEL
L755
YEL
L756
YEL
L757
YEL
L758
YEL
L759
YEL
L760
D
C
154_0
C1
100N
U4B
74HC154
U2A
A
23
A
B
22
B
C
21
C
D
20
D
154_0
18
G1
19
G2
74HC154
U3A
74HC154
A
23
A
B
22
B
C
21
C
D
20
D
154_1
18
G1
19
G2
74HC154
23
A
A
B
22
B
C
21
C
D
20
D
154_2
18
G1
19
G2
74HC154
A
23
A
B
22
B
C
21
C
D
20
D
154_3
18
G1
19
G2
2412
C5
100N
2010
U6B
74HC574
U7A
1
OC
11
PB1
CLK
D0
R92
9
D8
8
10K
D1
D7
D2
7
D6
6
D3
D5
D4
5
D4
4
D5
D3
D6
3
D2
2
D7
74HC574
U8A
1
OC
11
PB2
CLK
9
D0
R93
10K
B
R33
10K
A
1 2 3 4 5 6 7 8 9 10 11 12
D8
8
D1
D7
D2
7
D6
D3
6
D5
D4
5
D4
D5
4
D3
3
D6
D2
2
D7
74HC574
U6A
1
OC
11
PB0
CLK
9
D0
D8
8
D1
D7
7
D2
D6
6
D3
D5
5
D4
D4
4
D5
D3
D6
3
D2
D7
2
74HC574
+5VL
CN1
PB0
PB1
PB2
PB3
PB4
PB5
HEADER 10X2
+5VL
2412
U2B
74HC154
C2
100N
+5VL
2010
U8B
74HC574
C7
100N
STB_0
12
Q8
STB_1
13
Q7
STB_2
14
Q6
STB_3
15
Q5
STB_4
16
Q4
17
Q3
18
Q2
Q119D1
STB_5
12
Q8
STB_6
13
Q7
STB_7
14
Q6
STB_8
15
Q5
STB_9
16
Q4
17
STB_10
Q3
18
STB_11
Q2
STB_12
Q119D1
A
12
Q8
B
13
Q7
14
C
Q6
D
15
Q5
16
154_0
Q4
17
154_1
Q3
154_2
18
Q2
154_3
Q119D1
+5VL
12
D0
34
D1
56
D2
78
D3
910
D4
1112
D5
1314
D6
1516
D7
1718
1920
2412
U3B
74HC154
C3
100N
C4
100N
2010
U7B
74HC574
C6
100N
U4A
U5A
U5B
74HC154
CA0
1
0
2
CA1
1
CA2
3
2
4
CA3
3
5
CA4
4
6
CA5
5
7
CA6
6
8
CA7
7
9
CA8
8
10
CA9
9
11
CA10
10
13
CA11
11
14
CA12
12
15
CA13
13
16
CA14
14
17
CA15
15
154_1
1
CA16
0
2
CA17
1
3
CA18
2
4
CA19
3
5
CA20
4
6
CA21
5
7
CA22
6
8
CA23
7
9
CA24
8
10
CA25
9
11
CA26
10
13
CA27
11
14
CA28
12
15
CA29
13
16
CA30
14
17
CA31
15
154_2
1
CA32
0
2
CA33
1
3
CA34
2
4
CA35
3
5
CA36
4
6
CA37
5
7
CA38
6
8
CA39
7
9
CA40
8
10
CA41
9
11
CA42
10
13
CA43
11
14
CA44
12
15
CA45
13
16
CA46
14
17
CA47
15
154_3
1
CA48
0
2
CA49
1
3
CA50
2
4
CA51
3
5
CA52
4
6
CA53
5
7
CA54
6
8
CA55
7
9
CA56
8
10
CA57
9
11
CA58
10
13
CA59
11
14
CA60
12
15
SEG0
13
16
SEG1
14
SEG2
17
15
2412
PB4
PB5
PB3
D1 BAS316
D2 BAS316
D3 BAS316
D4 BAS316
D5 BAS316
D6 BAS316
D7 BAS316
D8 BAS316
D9 BAS316
D10 BAS316
D11 BAS316
D12 BAS316
D13 BAS316
D14 BAS316
D15 BAS316
D16 BAS316
D17 BAS316
D18 BAS316
D19 BAS316
D20 BAS316
D21 BAS316
D22 BAS316
D23 BAS316
D24 BAS316
D25 BAS316
D26 BAS316
D27 BAS316
D28 BAS316
D29 BAS316
D30 BAS316
D33 BAS316
D31 BAS316
D32 BAS316
STORE
DOWN
UP
S1
SW-PB
S2
SW-PB
S3
SW-PB
S4
SW-PB
S5
SW-PB
S6
SW-PB
S7
SW-PB
S8
SW-PB
S9
SW-PB
S10
SW-PB
S11
SW-PB
S12
SW-PB
S13
SW-PB
S14
SW-PB
S15
SW-PB
S16
SW-PB
S17
SW-PB
S18
SW-PB
S19
SW-PB
S20
SW-PB
S21
SW-PB
S22
SW-PB
S23
SW-PB
S24
SW-PB
S25
SW-PB
S26
SW-PB
S27
SW-PB
S28
SW-PB
S29
SW-PB
S30
SW-PB
S33
SW-PB CA60
S31
SW-PB
S32
SW-PB
CA0
CA1
CA2
CA3
CA4
CA5
CA6
CA7
CA8
CA9
CA10
CA11
CA12
CA13
CA14
CA15
CA16
CA17
CA18
CA19
CA20
CA21
CA22
CA23
CA24
CA25
CA26
CA27
CA28
CA29
S34
CA30
SW-PB
S35
CA31
SW-PB
S36
CA32
SW-PB
S37
CA33
SW-PB
S38
CA34
SW-PB
S39
SW-PB
CA35
S40
CA36
SW-PB
S41
SW-PB
CA37
S42
CA38
SW-PB
S43
CA39
SW-PB
S44
CA40
SW-PB
S45
CA41
SW-PB
S46
CA42
SW-PB
S47
CA43
SW-PB
S48
CA44
SW-PB
S49
CA45
SW-PB
S50
CA46
SW-PB
S51
CA47
SW-PB
S52
CA48
SW-PB
S53
CA49
SW-PB
S54
CA50
SW-PB
S55
CA51
SW-PB
S56
CA52
SW-PB
S57
CA53
SW-PB
S58
CA54
SW-PB
S59
CA55
SW-PB
S60
CA56
SW-PB
S61
CA57
SW-PB
S62
CA58
SW-PB
S63
CA59
SW-PB
S64
LINK/EXIT
SW-PBSEG0
S65
BYPASS
SW-PBSEG1
ON/OFF
SW-PBSEG2
D34BAS316
D35BAS316
D36BAS316
D37BAS316
D38BAS316
D39BAS316
D40BAS316
D41BAS316
D42BAS316
D43BAS316
D44BAS316
D45BAS316
D46BAS316
D47BAS316
D48BAS316
D49BAS316
D50BAS316
D51BAS316
D52BAS316
D53BAS316
D54BAS316
D55BAS316
D56BAS316
D57BAS316
D58BAS316
D59BAS316
D60BAS316
D61BAS316
D62BAS316
1
D63BAS316
A2K
D64BAS316
D65BAS316
D66BAS316S66
1
A2K
R17
STB_0
4K7
R18
STB_1
4K7
R19
STB_2
4K7
R20
STB_3
4K7
R21
STB_4
4K7
R22
STB_5
4K7
R23
STB_6
4K7
R24
STB_7
4K7
R25
STB_8
4K7
R26
STB_9
4K7
R27
STB_10
4K7
R28
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R29
STB_12
4K7
SEG0
R30
4K7
TR17
HR
CN2
5P2.5
RA5
1
RA6
2
RA7
3
RA8
4
RA9
5
RA10
RA11
RA12
R79
RA0
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BR
TR65
BR
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BR
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BR
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BR
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BR
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BR
TR71
BR
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BR
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BR
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BR
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BR
TR76
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RA2
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R82
RA3
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R86
RA7
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R87
RA8
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R88
RA9
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R89
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R90
RA11
47R
R91
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1
2
2
3
3
4
4
5
5
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R38
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4K7
TR23
HR
YEL
L261
YEL
L262
YEL
L263
YEL
L264
YEL
L265
YEL
L266
GR
L267
YEL
L268
YEL
L269
YEL
L270
YEL
L271
YEL
L272
YEL
L273
CN5
3
1
9
2
8
3
6
4
7
5
4
1
5P2.5
2
RA0
RA1
RA2
RA3
RA4
RA5
RA6
RA7
RA8
RA9
RA10
RA11
RA12
CA60
RA5
R_SIGNAL
RA6
RA7
RA8
RA9
RA10
10
5
a
A1
A2
b
c
d
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f
g
dp
R43
4K7
L326
L328
L330
L332
L334
L336
L338
L340
L342
L344
L346
L348
L350
R45
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R_CLIP
L352
L354
LINK
L356
L_CLIP
L358
L_SIGNAL
L360
BYPASS
L362
IC1
2*7SEGMENT
+5VL
TR28
HR
12
RA0
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YEL
RA1
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RA2
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RA3
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RA4
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RA5
GR
RA6
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RA7
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RA8
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RA9
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RA10
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RA11
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RA12
+5VL
TR30
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RA1
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RA2
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RA3
YEL
RA4
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RA5
RA6
RA7
RA8
RA9
RA10
RA11
RA12
+5VL
TR29
R44
4K7
R46
4K7
HR
YEL
L327
L329
L331
L333
L335
L337
L339
L341
L343
L345
L347
L349
L351
TR31
HR
L353
L355
L357
L359
L361
L363
L364
L365
L366
L367
L368
L369
L370
RA0
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RA1
YEL
RA2
YEL
RA3
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RA4
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RA5
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RA6
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RA7
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RA8
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RA9
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RA10
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RA11
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RA12
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RA1
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RA2
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RA3
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RA4
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RA5
GR
RA6
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RA7
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RA8
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RA9
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RA10
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RA11
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TR34
R51
4K7
L423
L425
L427
L429
L431
L433
L435
L437
L439
L441
L443
L445
L447
R53
4K7
L449
L451
L453
L455
L457
L459
L461
L463
L465
L467
L469
L471
L473
HR
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
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RA4
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RA5
GR
RA6
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RA7
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RA8
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RA9
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RA10
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RA11
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RA12
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RA1
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RA2
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RA3
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RA4
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RA5
GR
RA6
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RA7
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RA8
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RA9
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RA10
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RA11
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RA12
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R54
4K7
HR
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L424
L426
L428
L430
L432
L434
L436
L438
L440
L442
L444
L446
L448
TR37
HR
L450
L452
L454
L456
L458
L460
L462
L464
L466
L468
L470
L472
L474
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RA1
YEL
RA2
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RA3
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RA4
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RA6
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RA7
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RA8
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RA9
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RA10
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RA11
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RA2
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RA3
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RA6
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RA7
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RA8
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RA9
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RA10
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RA11
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TR42
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R58
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HR
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L501
L502
L503
L504
L505
L506
L507
L508
L509
L510
L511
L512
L513
TR43
HR
L514
L515
L516
L517
L518
L519
L520
L521
L522
L523
L524
L525
L526
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RA1
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RA2
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RA3
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RA4
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RA6
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RA7
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RA8
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RA9
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RA10
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RA11
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RA2
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RA3
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RA4
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RA5
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RA7
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RA9
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RA10
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L581
L583
L585
L587
L589
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L593
L595
L597
L599
L601
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TR50
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L605
L607
L609
L611
L613
L615
L617
L619
L621
L623
L625
L627
L629
RA0
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RA2
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RA3
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RA4
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RA5
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RA6
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RA7
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RA8
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RA9
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RA10
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RA11
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RA2
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RA3
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RA4
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RA6
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RA7
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RA8
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RA9
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RA10
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RA11
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TR49
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R66
4K7
HR
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L582
L584
L586
L588
L590
L592
L594
L596
L598
L600
L602
L604
TR51
HR
L606
L608
L610
L612
L614
L616
L618
L620
L622
L624
L626
L628
L630
RA0
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RA1
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RA2
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RA3
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RA4
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RA5
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RA6
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RA7
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RA9
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RA10
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RA11
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YEL
RA1
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RA2
YEL
RA3
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RA4
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RA5
GR
RA6
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RA7
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RA8
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RA9
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RA10
YEL
RA11
YEL
RA12
+5VL
TR56
R71
4K7
R73
4K7
HR
YEL
L683
L685
L687
L689
L691
L693
L695
L697
L699
L701
L703
L705
L707
TR58
HR
L709
L711
L713
L715
L717
L719
L721
L723
L725
L727
L729
L731
L733
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
+5VL
YEL
RA0
YEL
RA1
YEL
RA2
YEL
RA3
YEL
RA4
YEL
RA5
GR
RA6
YEL
RA7
YEL
RA8
YEL
RA9
YEL
RA10
YEL
RA11
YEL
RA12
Titel
Size
Date:
File:
+5VL
TR57
R72
4K7
R74
4K7
HR
CA40CA41CA42CA43CA44CA45CA46CA47CA48CA49
YEL
L684
YEL
L686
YEL
L688
YEL
L690
YEL
L692
YEL
L694
GR
L696
YEL
L698
YEL
L700
YEL
L702
YEL
L704
YEL
L706
YEL
L708
+5VL
TR59
HR
L710
L712
L714
L716
L718
L720
L722
L724
L726
L728
L730
L732
L734
CA50CA51CA52CA53CA54CA55CA56CA57CA58
YEL
YEL
YEL
YEL
YEL
YEL
GR
YEL
YEL
YEL
YEL
YEL
YEL
Digan 230DisPlay 2004-08-23
B
DIGAN2.30
25-Jan-2005
DIGAN230DISP_VER041103.sch
RA0
RA1
RA2
RA3
RA4
RA5
RA6
RA7
RA8
RA9
RA10
RA11
RA12
RA0
RA1
RA2
RA3
RA4
RA5
RA6
RA7
RA8
RA9
RA10
RA11
RA12
R77
4K7
L761
L762
L763
L764
L765
L766
L767
L768
L769
L770
L771
L772
L773
R78
4K7
L774
L775
L776
L777
L778
L779
L780
L781
L782
L783
L784
L785
L786
Sheet
Drawn By:
+5VL
TR62
HR
YEL
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YEL
YEL
YEL
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GR
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YEL
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+5VL
TR63
HR
YEL
YEL
YEL
YEL
YEL
YEL
GR
YEL
YEL
YEL
YEL
YEL
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RevisionModel No:
SHUNG LIN
B
A
V2.0
11of
D
- 7 -
4
321
C
B
A
5
10
IC1
3
12345
CN5
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b9a
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CN4
g1f
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4
5P2.5
12345
2*7SEGMENT
dp
2
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1 2 34
D
C
B
A
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C
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A
8
2
22
L6
BLM21A102
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R30
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4
+5V-L
R21
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R20
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8
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LJB0661-6
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LJB0661-6
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3
4
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21 of
SHUNG LIN.
RevisionModel No:
Drawn By:
Sheet
L19
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BLM21A102
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1N4148
R61
R62
3K16
R60
4K53
IC8C
MC33079
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R55
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DIGAN2.30 REV03
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DIGAN2.30 IN-OUT SECTION
A3
Titel
Size
AGND
6
L15
BLM21A102
AGND
7 8
17-Apr-2005
DIGAN230-IO.SCH
File:
Date:
6
5
4
C3
3
2
10P
R5
5K11
2
R3
13K3
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BLM21A102
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IN_L
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3
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R2
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AGND
AGND
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C1
47P
CGND
CGND
C2
47P
C17
L5
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1
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4
1
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11
33
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100N
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8
4580M
IC5C
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AGND
C42
100N
11
AGND
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100N
4
L12BLM21A102
L11BLM21A102
IN_L
DIGAN230-PWRDIGAN230-PWR.Sch
L14BLM21A102
L13BLM21A102
IN_R
OUT_L
OUT_R
X4
3
2
1
LJB0661-6
B
A
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