Roland DR-880, Service Notes

Page: 36 / 37

45
Dec.2004 DR-880
CIRCUIT DIAGRAM (SW, ENCODER, PIN, INPUT, PHONES)
fig.c-SW.eps
PIEZO Pickup
To MAIN BOARD
SW BOARD
OUTPUT L
PIN JACK BOARD
To MAIN BOARD
To MAIN BOARD
ENCODER BOARD
OUTPUT R
PHONES
PHONES BOARD
To MAIN BOARD
GUITAR/BASS INPUT
INPUT BOARD
To MAIN BOARD
[CRASH 2]
[PEDAL HH]
[FAVORITE2]
[FILL IN]
[SPLASH CYM]
[PATTERN]
[TOM3]
[SNARE1]
[EFFECT]
[OPEN HH]
[KICK2]
[PAD] [SONG]
[FAVORITE 1] [FAVORITE 2] [FAVORITE 3] [FAVORITE 4] [TSC] [EFFECT] [REC] [LOOP] [PLAY]
[CHORD PROGRESS]
[TOM2]
[GROOVE] [TSC]
[RIDE]
[CHINESE CYM]
[COWBELL]
[BELL]
[CROSS STICK]
[SNARE2]
[OUTPUT SETTING]
[TOM4]
[TUNER]
[CLAP]
[FAVORITE4]
[FAVORITE3]
[KIT]
[FAVORITE1]
[EDIT]
[DISPLAY]
[CRASH 1]
[TOM1]
[CLOSED HH]
[KICK1]
[REC]
[SHIFT]
[RWD]
[CURSOR UP]
[CURSOR RIGHT]
[ENTER]
[TEMPO]
[PLAY]
[STOP]
[RESET]
[BANK]
[CURSOR LEFT]
[CURSOR DOWN]
[EXIT]
[KEY]
[LOOP]
[FWD]
SW_DATA1
SW_DATA3
SW_DATA4
SW_DATA5
SW_DATA7
SW_DATA0
SW_SCAN0
SW_SCAN1
SW_SCAN2
SW_SCAN3
SW_SCAN4
SW_SCAN5
SW_SCAN6
LED_DATA
LED_CLOCK
SW_DATA6
SW_DATA2
+
D 3. 3
+ D 3. 3
D
D
+
D 3. 3
D A
+
A 9
A
A
+ A 9 + A 9
A
A
D
A
A
-9 A
+
A 9
A
- 9
A
A
+
A 9
A
- 9
A
+
A 9
A
D
A
A
LED1
KP-1608MGC(GREEN)
1
2
LED4
KP-1608SRC-PRV(RED)
1
2
LED5
KP-1608SRC-PRV(RED)
1
2
LED7
KP-1608SRC-PRV(RED)
1
2
LED9
KP-1608SRC-PRV(RED)
1
2
LED11
KP-1608SRC-PRV(RED)
1
2
LED15
KP-1608SRC-PRV(RED)
1
2
LED16
KP-1608SRC-PRV(RED)
1
2
LED17
KP-1608SRC-PRV(RED)
1
2
DA1
DAP202U
1
2
3 DA2
DAP202U
1
2
3 DA3
DAP202U
1
2
3 DA4
DAP202U
1
2
3 DA5
DAP202U
1
2
3 DA6
DAP202U
1
2
3 DA7
DAP202U
1
2
3
DA8
DAP202U
1
2
3 DA9
DAP202U
1
2
3 DA10
DAP202U
1
2
3 DA11
DAP202U
1
2
3 DA12
DAP202U
1
2
3 DA13
DAP202U
1
2
3 DA14
DAP202U
1
2
3
DA15
DAP202U
1
2
3 DA16
DAP202U
1
2
3 DA17
DAP202U
1
2
3 DA18
DAP202U
1
2
3 DA19
DAP202U
1
2
3 DA20
DAP202U
1
2
3 DA21
DAP202U
1
2
3
DA22
DAP202U
1
2
3 DA23
DAP202U
1
2
3 DA24
DAP202U
1
2
3 DA25
DAP202U
1
2
3 DA26
DAP202U
1
2
3 DA27
DAP202U
1
2
3
R5
10 R6
10 R8
180 R9
180 R11
180 R13
180 R19
68 R20
68 R21
68
C3
0.1
PIEZO1
DB-E648
1
2
R2
1k
C2
150p
C1
0.0047 R1
220k
R3
220k
Q1
2SK880GR
3
1
2
R4
10k
JK1A
YKC21-3045
12
11
A B
EN
EN1A
EVEGC1F2024B
1 2 3
A B
EN
EN1B
EVEGC1F2024B
10 20
CN1
22FE-ST-VK-N
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
JK11
HTJ-064-10D
1
2
3
C180
0.47(ECPU1C474MA5)
R145
1M
R144
10k JK10
HTJ-064-10I
1
2
4
R143
10k
C178
N.I.U
R142
10k
C182
0.1
C181
0.1
+
-
IC25A
M5238AFP-600C
2
3
1
+
-
IC25C
M5238AFP-600C
8
4
+
-
IC25B
M5238AFP-600C
6
5
7
DA28
DA204U
2 1
3
D5
1SS352
1
2
L23
N1608Z601T01
L27
N1608Z601T01
L24
N1608Z601T01 L25
N1608Z601T01
L26
N1608Z601T01
CN2
WIRING ENCODER BOARD
1
1
2
2
3
3
4
4
CN11
WIRING INPUT BOARD
1
1
2
2
3
3
4
4
CN10
WIRING PHONES BOARD
1
1
2
2
3
3
CN3
WIRING PIN JACK BOARD
1
1
2
2
3
3
JK1B
YKC21-3045
22
21
C183
0.1
SW3
1 2
SW31
1 2
SW38
1 2
SW10
1 2
SW17
1 2
SW24
1 2
SW51
1 2
SW45
1 2
SW4
1 2
SW11
1 2
SW18
1 2
SW25
1 2
SW32
1 2
SW2
1 2
SW1
1 2
SW8
1 2
SW15
1 2
SW22
1 2
SW9
1 2
SW29
1 2
SW36
1 2
SW43
1 2
SW49
1 2
SW16
1 2
SW44
1 2
SW23
1 2
SW30
1 2
SW37
1 2
SW50
1 2
SW39
1 2
SW46
1 2
SW52
1 2
SW5
1 2
SW12
1 2
SW19
1 2
SW26
1 2
SW33
1 2
SW40
1 2
SW47
1 2
SW53
1 2
SW6
1 2
SW13
1 2
SW20
1 2
SW27
1 2
SW34
1 2
SW41
1 2
SW48
1 2
SW54
1 2
SW7
1 2
SW14
1 2
SW21
1 2
SW28
1 2
SW35
1 2
LED2
KP-1608MGC(GREEN)
1
2
SW42
1 2
IC1
BU2090F
VSS
1
DATA
2
CLOCK
3
Q0
4
Q1
5
Q2
6
Q3
7
Q4
8
Q5
9
Q6
10
Q7
11
Q8
12
Q9
13
Q10
14
Q11
15
VDD
16
R15
68
C6
0.1
C5
0.1