Circuit Diagram (Panel Board) - Roland BOSS Chromatic Tuner TU-3 Service Notes

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Dec. 2009

Circuit Diagram (Panel Board)

fig.d-Panel.eps@L
PANEL BOARD
[Pedal SW]
To Analog Board
10pin Cable
1
2
3
4
5
6
7
8
9
10
CN1
POWER-AD
WIRING RIBBON 10P/AWG26/P2.0
[Check LED]
16
To Flash Writer
D+5.0
R27
100k
R15
1k
C24
10000pF
DGND
R9
[MUTE ON/OFF]
0
[DCDC Tr ON/OFF]
C28
UnPop
DGND
D+5.0
C14
0.1uF
D+2.8
C21
C17
0.1uF
0.1uF
DGND
D+5.0
R13
10k
D+5.0
D ( 0.5% )
R14
C7
C3
10k
IC1
D ( 0.5% )
10uF
0.1uF
AK2923H-E2
DGND
D+5.0
TP98
TP99
TP100
TP101
TP102
TP103
TP104
R21
R18
D+5.0
10k
10k
R28
100k
DGND
SW2
R17
DGND
1k
EVQP6DB35
4
1
3
2
[STREAM/CENT]
C29
10000pF
DGND
DGND
D+5.0
R25
SW1
100k
EVQP6DB35
4
1
3
2
1k
[MODE]
DGND
R10
C27
0
UnPop
DGND
1608
1608
R1
R29
D+5.0
220
1M
D1
C2
10uF
1SS362FV(TPL3)
2
1
2012
C32
15pF
TP83
IC1
DGND
AK2923H-E2
2
3
R8
47k
R26
100k
R30
100k
D ( 0.5% )
C19
UnPop
D ( 0.5% )
DGND
C20
D+5.0
0.1uF
R19
10k
DGND
C30
5pF
RESET-OUT
2
4
C31
5pF
X1
DSX321G
16MHz
DGND
TP59
TP67
TP60
TP95
EXB28V821JX
EXB28V821JX
RA3
1
8
LED(10)
2
7
LED(11)
3
6
LED(13)
4
5
LED(14)
1
8
LED(9)
2
7
LED(8)
3
6
LED(7)
4
5
LED(24)
RA5
1
8
LED(23)
2
7
LED(5)
3
6
LED(6)
4
5
RA1
EXB28V821JX
POWER-AD
C25
R16
UnPop
C26
10000pF
DGND
DGND
IC1
AK2923H-E2
R20
10k
1
6
7
5
TP36
D+5.0
R24
680k
R6
27k
R35
10k
R36
10k
DGND
TU-3
High
T
C18
0.1u
TP96
D+5.0
C16
0.1uF
C13
0.1uF
DGND
TP20
TP
DGND
21
44
_RST
P60/PPG10
45
P61/PPG11
14
46
X0
P62/TO10
15
47
X1
P63/TO11
48
P64/EC1
Green LED
20
49
R3
PG1/X0A
P65/SCK
Green LED
R3
19
50
PG2/X1A
P66/SOT
51
P67/SIN
30
TP16
P10/UI0
TP
31
12
P11/UO0
P70/TO0
32
11
P12/UCK0
P71/TI0
10
33
P80
9
P13/TRG0/ADTG
34
P81
8
P14/PPG0
P82
7
35
P83
P20/PPG00
36
P21/PPG01
E
22
P00/INT00
37
23
P22/TO00
P01/INT01
38
24
P23/TO01
P02/INT02
39
25
P24/EC0
P03/INT03
26
P04/INT04
63
27
P30/AN00
P05/INT05
62
28
P31/AN01
P06/INT06
61
29
P32/AN02
P07/INT07
60
EXB28V821JX
P33/AN03
59
6
P34/AN04
PE0/INT10
58
5
P35/AN05
PE1/INT11
57
4
P36/AN06
PE2/INT12
56
3
P37/AN07
PE3/INT13
55
40
P40/AN08
P50/SCL0
54
41
P41/AN09
P51/SDA0
53
42
P42/AN10
P52/PPG1
52
43
P43/AN11
P53/TRG1
13
18
MOD
C
IC2
MB95F108ANSPMC
R22
10k
C33
DGND
DGND
0.47uF
DGND

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