Roland ep-97 Service Notes

A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
12345678910 12131415161718192021222324252627282930
9
11
EP-77
Dec, 1999
CIRCUIT DIAGRAM (JACK PCB ASSY)
JK2
HLJ7101-01-3010
1
2
4
JK3
HLJ7101-01-3010
1
2
4
L3
FBR07HA850TB-00
L5
FBR07HA850TB-00
J1
JUMPER
JK1
YKF51-5054
12 14 15 22 24 25
30
40
50
60
2
4
5
IN
OUT
2
4
5
SW1A
SDKLA1-B
121
SW1B
SDKLA1-B
10 20
IC4C
M5218AL
84
+
-
J3
JUMPER
J2
JUMPER
Q1
DTA114ES
3
21
IC1A
HD74LS04P
12
IC1B
HD74LS04P
343
IC2
6N137
85
2
3
7
6
R8
220
R17
1K
C9
100nFC
R10
120
R11
100
D4
1SS133
12
R7
220
C4
100nFC
IC1G
HD74LS04P
14 7
IC1F
HD74LS04P
13 1213
IC1E
HD74LS04P
11 1011
IC1D
HD74LS04P
989
R3
6K8
R9
6K8
D1
1SS133
12
D2
1SS133
12
R6
1K
D5
1SS133
12
D3
1SS133
12
R14
1K
C3
10nF
C8
10nF
JK5
HLJ7101-01-3010
1
2
4
L8
FBR07HA850TB-00
L10
FBR07HA850TB-00
C13
330pF
C16
330pF
R23
68K
R26
68K
C49
100nFC
C50
1/50
21
R37
68K
R43
68K
R44
68K
R38
68K
C23
33/16
21
C31
33/16
21
C38
33/16
21
C46
33/16
21
R33
5K6
R42
10K
D7
1SS133
12
D6
1SS133
12
R48
5K6
R56
10K
D9
1SS133
1
2
D8
1SS133
12
R36
1K
R51
1K
C19
33pF
R30
10K
IC4A
M5218AL
2
3
1
+
-
R45
10K
C34
33pF
IC4B
M5218AL
6
5
7
+
-
R59
68K
R57
68K
C52
33/16
21
C51
100nFC
FL1
PLT1R53C
1
2
4
3
C57
100nFC
C58
100nFC
D10
1SR139
12
C56
10/16
21
C55
100nFC
IC6 PQ05RD11
IN
1
OUT
2
OE
4
GND
3
D12
1SR139
1
2
R65
1K
C62
100/16
21
C60
100nFC
C61
100/16
21
Q7
2SD667C
3
12
C24
33/16
21
C39
33/16
21
R68
1K
R71
1K
C65
820nF
C66
820nF
R69
820
R70
820
R67
47K
C63
82nF
C67
82nF
R66
680
C64
15nF
IC7A
UPC4570HA
3
4
2
+
-
R72
680
C68
15nF
R73
47K
IC7B
UPC4570HA
7
6
8
+
-
IC7C
UPC4570HA
1
59
+
-
C69
100nFC
Q4
DTC114ES
3
12
C53
100/16
21
R63
3K3
R60
100
R61
10K
D14
1SS133
12
Q5
DTC114ES
3
12
R62
10K
Q8
2SC1815GR
3
12
R64
68K
JK6
HLJ7101-01-3010
1
2
4
C12
330pF
C15
330pF
C11
3.3/16
21
R18
820
C14
3.3/16
2
1
R24
820
R20
68K
R27
68K
R21
1K
R28
1K
R19
680
R25
680
Q2
2SC2878A
3
1 2
Q3
2SC2878A
3
12
JK7
HLJ7101-01-3010
1
2
4
L7
FBR07HA850TB-00
L9
FBR07HA850TB-00
L11
FBR07HA850TB-00
J4
JUMPER
R35
4K7
C29
470pF
R40
1K
C25
680nF
R50
4K7
C44
470pF
R54
1K
C40
680nF
R58
3K3
C32
1/50
21
IC3A
LA4705
2
15
16
17
8
1
9
10
11 18
IC3B
LA4705
7
4
14
13
12
5 3 6
C47
100/16
21
C20
100nF
R47
2.2
R55
2.2
C22
100nF
R31
2.2
C28
100nF
R41
2.2
C30
100nF
C35
100nF
C37
100nF
C42
100nF
C45
100nF
C41
1000/16
21
C26
1000/16
21
JK4
HLJ7101-01-3010
1
2
4
C17
100nFC
R29
100
R22
100
C18
100nFC
C54
100nF
C59
1000/25
2
1
C33
1000/25
21
CN2
53014-0710
1
1
2
2
3
3
4
4
5
5
6
6
7
7
CN6
53014-0610
1
1
2
2
3
3
4
4
5
5
6
6
CN3
53014-0510
1
1
2
2
3
3
4
4
5
5
CN4
5045-02A
1
1
2
2
JK8
HEC2305-01-230
2
1
3
C48
33/16
21
D13
MA7D49
12
IC1C
HD74LS04P
565
IC5
M51953BL
NC
2
GND
3
RST
5
DLY
4
VCC
1
R52
3K3
C5
100nFC
CN1
53014-1110
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
AGND
AGND
AGND
OUTPUT JACK MUTE
AMP POWER
POWER AGND
OUTPUT L POWER AGND L+ SEND
L- SEND
R+ SEND
AGND
AGND
OUTPUT R POWER AGND
A-GND-
AVCC/2
XPD
Pre-SK
A-GND-
POWER AGND
Pre-SK
AGND
AMP POWER
STAND-BY
R+ RETURN
RES
RES
AVCC
AVCC
D+5V
D+5V
D+5V
D+5V
D+5V
D+5V
D+5V
D+5V
D+5V
MIDI OUT
MIDI IN
AVSS
SOFT
DAMPER
VREF
TO CN2 MAIN BOARD
SOFT
DAMPER
PEDAL
To MAIN BOARD (CN8)
R
INPUT
L(MONO)
DC IN
12V 1A
R
L(MONO)
OUTPUT
L
R
IN L
IN R
To PHONES BOARD (CN5)
TO SPK R
R+
R-
XPD-IN
SIGNAL L
AGND
SIGNAL R
A+9V
AGND
DGND
DGND
D+5V
D+5V
RES
SEND L
SEND R
RET L
RET R
AGND
AGND
To CONTROL BOARD (CN102)
(VOLUME)
AVCC/2
AVCC
AVCC
AVCC/2
AVCC/2

Roland ep-97 Specifications

General

Brand	Roland
Model	ep-97
Category	Musical Instrument
Language	English