Circuit Diagram (Right Control/D-Beam) - Roland EXR-7 Service Notes

Apr.2004
CIRCUIT DIAGRAM (RIGHT CONTROL)
SSC0
D4
SW1 SW2
MUSIC STRINGS
ASSIST.
SSC1
D8
SW5 SW6
SONG SAX_BRASS
SSC2
D15
SW9 S W10
STYLE VOCAL
SSC3
D22
SW13 S W14
TONE DRUMS_SFX
SSC4
D29
SW17 S W18
PIANO_TONE FAMILY+
SSC5
D33
SW21 S W22
ORGAN FAMILY-
SSC6
D40
SW25 S W26
GUITAR_BASS SELECT+
SSC7
D47
SW29 S W30
SYNT/
SELECT-
OTHER
SSC8
D53
S W33 S W34
TAP_TEMPO TEMPO_SLOW
SSC9
D56
S W36 S W37
DJ GEAR EFX
From Left Control Board
(CN2)
1 16
SSC0 2 15 SCD7
D
SSC1 SCD6
3 14
SSC2 4 13 SCD5
SSC3 5 12 SCD4
SSC4
6 11
SSC5 7 10
5VD R8
SSC6
8 9
NIU
CN2
AMPC1_2716P
SSC7
SSC8
R9
SSC9
3R3I
C2
100uF16_H=7
D
48
LSC0
D5 D6 D7
LSC1
SW3 SW4
9
1
D9 D10 D11
SW7 SW8
LSC2
0
2
D16 D17 D18
SW11 SW12
NO
3
LSC3
D23 D24 D25
SW15 SW16
4 YES
D30 D31 D32
SW19 SW20 LSC4
5 FUNCTION
D34 D35 D36
SW23 SW24
6 DISK LSC5
D41 D42 D43
SW27 SW28
USER
7
PROG.
D48 D49 D50
LSC6
SW31 SW32
(ex
8 EXIT
V-LINK)
D54 D55
SW35
TEMPO_FAST
D57 D58
SW38
CONTROLS
5VD
LSC0
LSC1
LSC2
LSC3
LSC4
LSC5
LSC6
CN3
From Left Control Board
NIU
1 (CN1)
2 To LCD Backlight
with soldering pads
C1
100uF16_H=7 NIU
R1
Orange Orange Orange
0
D1 D2 D3
1 2 1 2 1 2
CONTROLS PIANO SONG
R2 Orange
0
Green Orange
D12 D13 D14
1 2 1 2 1 2
MUSIC ORGAN STYLE
ASSIST.
Orange Orange
D20 D21
1 2 1 2
GUITAR/ TONE
BASS
R4
0 Orange Orange Orange
D26 D27 D28
1 2 1 2 1 2
DRUMS STRINGS FUNCTION
R5 Orange Orange
0
Orange
D37 D38 D39
1 2 1 2 1 2
EFX INSTRUM. VOCAL DISK
R6
0
Red Orange Orange
D44 D45 D46
1 2 1 2 1 2
SAX & USER PROG.
EXIT
BASS
R7
0 Orange Orange
D51 D52
1 2 1 2
DJ GEAR SYNTH/
OTHER
CN1
AMPC1_2714P
1 14
2 13
3 12 LDD5
4 11 LDD6
5 10 LDD7
6 9
7 8
D
CIRCUIT DIAGRAM (D-BEAM)
12V
R1
3K3
C1
1uF16
6V
R2
A
10K
D2 D1
TLN201 TPS708
R4
100K
6V
1
1
2 C2
2
R6 10nF
3
3
0 POLY 5%
4
4
R5
5
5
1M
6
6
7
7
A
CN1
A
53014_0710
From CPU Board
(CN17)
R7
10K
IC1C D3
C7 UPC4570HA 1N4148
-
NIU 12V
C3 C4
R8
10uF16 100nFC 10K
C8
NIU
D
A A
EXR-7
R3
100K
3
2
4
-
IC1A
UPC4570HA
12V
6V
7
C6
8
100nFC
6
-
IC1B
UPC4570HA
C5
10uF16
A
49