Roland A-49-BK, Заметки по обслуживанию

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18
Sep. 2012 A-49-BK, A-49-WH
Circuit Diagram (Panel Board)
fig.d-panel.eps@L
PDGND
PD+3.3V PD+3.3V PD+3.3V
PDGND PDGND
PDGND
LCLK
CD+5V
PDGND
PDGND
PD+5V
PDGND
PD+3.3V
PD+3.3V
LDB
LDA
PN02
PN03
DB_PLS
PDGND
PD+3.3V
PDGND
PD+3.3V
PD+3.3V
LQA0
LQA1
LQA2
LQA3
LQA4
LQA5
LQA6
LQA7
LQA8
LQA9
LQA10
LQA11
PD+3.3V
LQB4
LQB3
LQB2
LQB1
LQB0 PDGND
LCLK
A-4.5V
PDGND
PDGND
DBGND
DBGND
PDGND
DBGND
PD+3.3V
PN01
DBGND
CD+5V
XDB_BOOT
PD+5V
XDB_BOOT
0.1uF
C71
0.1uF
C69
0.1uF
C73
0.1uF
C70
IC9
BU2090F-E2
Q11
15
VSS
1
VDD
16
Q0
4
Q1
5
Q2
6
Q3
7
Q4
8 Q5
9 Q6
10
Q7
11
Q8
12
Q9
13
Q10
14
CLOCK
3
DATA
2
IC10
BU2090F-E2
Q11
15
VSS
1
VDD
16
Q0
4 Q1
5
Q2
6
Q3
7
Q4
8
Q5
9
Q6
10
Q7
11 Q8
12 Q9
13 Q10
14
CLOCK
3
DATA
2
10uF
C52
PQ1CZ41H2ZPH
IC8
1
VIN
5
ON/OFF
3
COM
4
OADJ
2
VOUT
1uF
C53
25V
100uH
CDRH104RNP-101NC-R
L9
F (1%) 2.2k
R35
TLN233 (F)
LED20 1
2
T
I
1/2W 10
R49
Q3
SSM3J108TU (TE85L)
1
3 2
1/2W 10
R50
1/2W
1
0
R47
DTC114EUAT106(PB FREE)
Q4
1
23
0.1uF C50
0.1uF C51
KP-1608SURC
LED17
1 2
KP-1608SURC
LED16
1 2
KP-1608SURC
LED15
1 2
KP-1608SURC
LED14
1 2
KP-1608SURC
LED13
1 2
KP-1608SURC
LED12
1 2
KP-1608SURC
LED4
1 2
KP-1608SURC
LED3
1 2
KP-1608SURC
LED7
1 2
KP-1608SURC
LED8
1 2
KP-1608SURC
LED9
1 2
KP-1608SURC
LED10
1 2
KP-1608SURC
LED5
1 2
KP-1608SURC
LED1
1 2
KP-1608SURC
LED6
1 2
KP-1608SURC
LED2
1 2
100k
R33
100k
R30
100k
R48
L-C192TBCT-IA LED11
1 2
100k
R31
0.1uF
C54
100k
R34
F (1%) 5.6k
R36
TP96
C55
220uF
16V D14
RB160L-40 TE25(PB FREE)
0.1uF
C72
0.1uF
C75
EXB28V103JX
RA18 UnPop
1 8
6
5 4
3
2 7
EXB28V103JX
RA19
UnPop
1 8
6
5 4
3
2 7
C76
220uF
16V
C77
220uF
16V
UnPop
1k R32
EXB28V471JX
RA16
1 8
6
5 4
3
2 7
EXB28V471JX
RA15
1 8
6
5 4
3
2 7
EXB28V471JX
RA14
1 8
6
5 4
3
2 7
EXB28V471JX RA17
1 8
6
5 4
3
2 7
Q1
SSM3J108TU (TE85L)
1
3 2
100k R1
220
R2
100k
R3
0.1uF
C1
(Blue) VF=2.9Vtyp.
f=300kHz
Vref=1.26V
(OPAMP-)
(K)
(1.0Amax)
VIL<0.3VDD
VIH>0.7VDD
Qn:OpenDrain 25mAmax.
ON:L(Sink 3.0mA/port)
OFF:HiZ
IF=2.1[mA](Blue)
[OCT_6]
[OCT_5]
[OCT_4]
[OCT_3]
[OCT_2]
[OCT_1]
[OCT+]
[OCT-]
[TRANSPOSE]
[PITCH]
[VOLUME]
[ASGN.]
(Red) VF=1.9Vtyp.
[SupNat.]
[S2]
[FUNC.]
[S1]
[POWER]
2
2
1
2
1
1