Roland A-49-BK User Manual

18
Sep. 2012 A-49-BK, A-49-WH
Circuit Diagram (Panel Board)
fig.d-panel.eps@L
PDGND
PD+3.3V PD+3.3VPD+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
LQB0PDGND
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
12
T
I
1/2W10
R49
Q3
SSM3J108TU (TE85L)
1
32
1/2W10
R50
1/2W 10
R47
DTC114EUAT106(PB FREE)
Q4
1
23
0.1uFC50
0.1uFC51
KP-1608SURC
LED17
12
KP-1608SURC
LED16
12
KP-1608SURC
LED15
12
KP-1608SURC
LED14
12
KP-1608SURC
LED13
12
KP-1608SURC
LED12
12
KP-1608SURC
LED4
12
KP-1608SURC
LED3
12
KP-1608SURC
LED7
12
KP-1608SURC
LED8
12
KP-1608SURC
LED9
12
KP-1608SURC
LED10
12
KP-1608SURC
LED5
12
KP-1608SURC
LED1
12
KP-1608SURC
LED6
12
KP-1608SURC
LED2
12
100k
R33
100k
R30
100k
R48
L-C192TBCT-IALED11
12
100k
R31
0.1uF
C54
100k
R34
F (1%)
5.6k
R36
TP96
C55
220uF
16VD14
RB160L-40 TE25(PB FREE)
0.1uF
C72
0.1uF
C75
EXB28V103JX
RA18 UnPop
18
6
54
3
27
EXB28V103JX
RA19
UnPop
18
6
54
3
27
C76
220uF
16V
C77
220uF
16V
UnPop
1k
R32
EXB28V471JX
RA16
18
6
54
3
27
EXB28V471JX
RA15
18
6
54
3
27
EXB28V471JX
RA14
18
6
54
3
27
EXB28V471JXRA17
18
6
54
3
27
Q1
SSM3J108TU (TE85L)
1
32
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

Roland A-49-BK Specifications

General

Brand	Roland
Model	A-49-BK
Category	Electronic Keyboard
Language	English

Summary

Cautionary Notes

Specifications

Location of Controls (Top)

Location of Controls (Rear)

Parts List

Performing a Factory Reset

Updating the System

Test Mode

LED Test

Verify all LEDs are lit, then press the highest note key (C6).

Keyboard Test

Press all 49 keys lightly; successful completion advances to the next test.

D Beam Test

Circuit Board (Main Board)

Circuit Diagram (Main Board)

Circuit Board (Panel Board)

Circuit Diagram (Panel Board)