Roland ep-77 - Playing Music: Tones and Effects; Selecting Instrument Tones; Layering Instrument Sounds; Applying Reverb and Chorus Effects

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10
11
EP-77
Dec, 1999
BEAT & TEMPO PCB ASSY & CIRCUIT DIAGRAM ASSY 7711503000
MAIN PCB ASSY ASSY 7711501000
E
View from component side
C110
100nF
C109
100nF
R114
68K
R113
100
R109
1K5
R110
1K5
R111
1K5
R112
1K5
C108
0.33/63
R115
1K
CN103
53015-0410
3
4
2
1
VR101
RK11K1140
4
1
2
3
SW116
SRBV15-F0820-11
1 10
2 3 4 5 6
7
8
9
VREF
AD-BEAT
AD-TEMPO
To CN4 Main Board
TEMPO
BEAT
X
X
XX
X
X
View from component side View from solder side