AD88TLB00A.sch
R.E./I.F/J.B/M.S./D.M.
AD88 TOP LEFT PCB
9-40-0508-B
9-79-0508-B-0
SHEET: OF 2
2
5/11/2009
2
COMPANY:
SCALE:
REVISION RECORD
APPROVED:ECO NO:
DATED:
DATED:RELEASED:
A
B
D
DATE:
123456
D
C
A
B
C
LTR
DRAWN:
TITLE:
PART NUMBER:
ASSY NUMBER:
FILENAME:
B
SIZE:
REV:
AKAI
POTS
FROM PITCH/
MOD WHEEL
*
N/C
N/C
Set for 18mA x 6 LEDs = 110mA nominal
TO WHEEL LED BOARD
FULL LEVEL 16 LEVELS
PAD A PAD B
PAD C PAD D
ARP
ARP LATCH
NOTE REPEAT
NOTE REPEAT
LATCH
ARP
FULL LEVEL
12 LEVEL
TO
TOP
RIGHT
PCB *
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
* Pin order reversed vs. main board connector.
MISC
Cap should be placed close to connector
INDICATOR LEDS ARE T1 CASE DIFFUSED, BUTTON LEDS ARE 2MMx3MM NON-DIFFUSED
BACKLIT BUTTON LEDS SET FOR 16mA
INDICATOR LEDS SET FOR 6mA
SPLIT
TO MAIN PCB
SPLIT LED
S4 S5
S6 S7
S2
S8
S3
1
2
3
D7
1
2
3
D10
1
2
3
D11
1
2
3
D12
1
2
3
D13
1
2
3
D14
1
2
3
D15
S9
1
2
3
D17
S10
1
2
3
D16
LED6
YEL
R1568 ohm
R1668 ohm
R26220 ohm
R27220 ohm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
J5
GFP-231221-22602G
R3
15 ohm
R2
15 ohm
R25220 ohm
TP2
TP1
Q1
MBT4401
11 10
U3-E
74AHC04
R1 1k
C14
0.1uF
C13
0.1uF
C3 0.1uF
C2 0.1uF
C1 0.1uF
1
2
3
4
5
6
J1
S6B-PH-KL(LF)(SN)
1
2
3
4
5
6
J2
S6B-PH-KL(LF)(SN)
LED5
YEL
LED4
YEL
LED3
YEL
LED2
YEL
R14 10k
S1
1
2
3
4
J3
S4B-PH-K-S(LF)(SN)
Q2
MBT4401
R10 10k
LED1
YEL
R1368 ohm
TP3 TP4
ANALOG_TOP
PITCH
+3V3
+3V3
+3V3
FULL_LEVEL_LED
12_LEVEL_LED
ARP_LED
LATCH_LED
NOTE_REPEAT_LED
BTN_SCAN7
BTN_SCAN8
BTN_SCAN9
BUTTON_COLUMN0
BUTTON_COLUMN1
BUTTON_COLUMN2
PAD_RETURN0
PAD_RETURN1
PAD_RETURN2
PITCH
MOD
PAD_SCAN_SEL[0:1] PAD_SCAN_SEL0
PAD_SCAN_SEL1
ANALOG_TOP
ANALOG_TOP
POWER_EN
POWER_EN
+3V3
MOD
PAD_RETURN3
+3V3
SPLIT
SPLIT_LED
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