Left Front Panel Board (Rack Models)-Controllers, Fp Buttons And Leds (Page 2 Of 2 - Kurzweil PC2 Series Service Manual

Left Front Panel Board (rack models)–Controllers, FP Buttons and LEDs (page 2 of 2)
1 2
A
ROWDRIVERPOWER
+ C7
0.1uF 50V 20%
J603
Front Panel Bridge
16
RDRPWR
15
DGND
B
14
SROW0
13
SROW1
8
DROW0
7
DROW1
12
CTRL4
11
CTRL3
10
CTRL2
9
CTRL1
6
COL9
5
COL7
4
COL6
3
COL3
2
COL2
1
COL1
C
D
1 2
3 4
Q9 R17
MMBT2222A 15
C E 1 2
2
D11
RED DUAL COLOR
Q10 R18 D10
MMBT2222A 15 SOLO
C E 1 2
S15
2
1
ZONE 3
CW
10K LIN
2 2
R19
POT D
3 4
5 6
2 2 2
D13 D15 D17
DUAL COLOR DUAL COLOR DUAL COLOR DUAL COLOR
ZONE 3 ZONE 4 ZONE 1 ZONE 2
S16 S17 S18
4 2 4 2 4 2 4
3 1 3 1 3 1 3
D12 D14 D16
ZONE 4 ZONE 1 ZONE 2
LL4148 LL4148 LL4148
CW CW CW
10K LIN 10K LIN 10K LIN
2 2
R20 R21 R22
POT C POT B POT A
5 6
Kurzweil PC2 Series Service Manual
7 8
A
2
D19
SHIFT
B
S19
2 4
1 3
D18
SHIFT
LL4148
S20
2 4
1 3
SOLO
C
Front Panel Bridge 2
2
+5vref
1
AVSS
J604
YOUNG CHANG CO., LTD. YOUNG CHANG CO., LTD.
Reproduction without the express written consent
D
of Young Chang Co., Ltd. is prohibited.
LEFT PC2 RACK FRONT PANEL
Controllers, FP Buttons and LEDs
Filename: 021251C1 Date: 12/20/2000
Eng: DAON By: DAON
Mfg: Sht 2 of 2
Doc: 021261-001 Rev: C v1
7 8
7-15