53
&
Service Manual
• CONNECT
, MAIN PCB (5/7)
DGND
10KJ
R80
15KJ
R77
10KJ
R67
74VHC14
U27
98
D+3.3
D+3.3
4.7KJ
R69
8.2KJ
R72
DTC1
14EK
U22
1
2
3
DTC1
14EK
U24
1
2
3
470KJ
R41
33J
R1
16
DGND
4.7KJ
R81
5.6KJ
R74
DGND
470J
R75
D+5
D+3.3
YKF45-0001
J5
1
VBUS
2
D-
3
D+
4
GND
5
6
U27
13
12
MLB-0120L
L21
1
2
DT
A1
14EK
U21
1
23
220J
R82
74VHC14
U27
3
4
MLB-0120L
L22
1
2
0.01UF
C83
S1
NON
DGND
74VHC14
U27
12
DGND
DGND
DGND
L23
DL
W21SN181
1
3
2
4
DGND
PST598IN-200ms-2.9v
U23
1
M/R
2
SUB
3
GND
4
VOUT
5
VCC
DTC1
14EK
U20
1
2
3
1KJ
R71
D+5
DGND
DGND
0.01UF
C84
0.01UF
C85
D+5
DGND
10KJ
R70
74VHC541
U18
20
10
74VHC14
U27
5
6
D+3.3
MLB-0120L
L19
12
DGND
D+3.3
74VHC14
U27
14
7
D+3.3
MLB-0120L
L20
12
0.01UF
C82
D+5
220J
R76
DGND
DGND
DGND
D+3.3
15KJ
R78
FPC17P-S
J51
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 27 28 29 30
YKB21-5074
J10
1
2
3
4
D+3.3
MLB-0120L
L24
1
2
D+3.3
D+3.3
1SS355
D1
1
2
DGND
DGND
FPC17P-S
J52
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
1
2
3
4
5
YKF51-5061
J6
1
2
3
4
5
6
7
9
8
NON
J54
1 2 3 4 5 6
47/6.3MV
A
C106
100/16MVY
C107
D+12
D+5
DGND
5.6KJ
R73
100J
R171
100J
R172
100J
R173
100J
R174
100J
R175
100J
R176
1KJ
R83
DGND
D+3.3
DT
A1
14EK
U17
1
23
U27
11
1
0
0.1UF
C87
4.7/25MV
C86
DGND
10KJ
R68
10KJ
R89
10KJ
R86
10KJ
R88
10KJ
R87
DGND
10KJ
R8
CPH6312
Q1
G
3
D
1
D
2
S
4
D
5
D
6
D+3.3
DGND
DGND
FPC30P-S
J50
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 27 28 29 30
DGND
NON
W1
DGND
D+3.3
0J
W2
NON
W3
DT
A1
14EK
U3
1
23
DTC1
14EK
U13
1
2
3
D+3.3
DGND
100J
R92
DGND
DGND
DT
A1
14EK
U31
1
23
DGND
DT
A1
14EK
U32
1
2
3
DTC1
14EK
U30
1
2
3
D+12
D+5
DGND
DT
A1
14EK
U36
1
2
3
D+3.3
DT
A1
14EK
U14
1
23
D+3.3
NON
U19
1
2
3
NON
R79
D+3.3
DGND
DGND
D+5
D+12
PH6P_WHT
J1
1
1 2 3 4 5 6
NON
W4
0J
W5
D+12
DTC1
14EK
U33
1
2
3
DTC1
14EK
U34
1
2
3
DTC1
14EK
U35
1
2
3
MLB-0120L
L33
1
2
0.47UF
C44
10KJ
R94
10KJ
R93
DGND
D+12
NON
W6
0J
W7
DGND
DGND
DGND
10KJ
R40
D+3.3
82J
R61
22J
R63
22J
R97
82J
R55
22J
R57
82J
R58
33J
R59
33J
R84
33Jx4
R64
12
34
56
78
33Jx4
R65
12
34
56
78
33Jx4
R66
12
34
56
78
33Jx4
R60
12
34
56
78
33Jx4
R62
12
34
56
78
33Jx4
R50
1
2
3
4
5
6
7
8
33Jx4
R52
1
2
3
4
5
6
7
8
33Jx4
R53
1
2
3
4
5
6
7
8
33Jx4
R91
1
2
3
4
5
6
7
8
33Jx4
R1
10
1
2
3
4
5
6
7
8
33Jx4
R1
11
1
2
3
4
5
6
7
8
33Jx4
R1
12
1
2
3
4
5
6
7
8
NON
R1
14
1
2
3
4
5
6
7
8
NON
R1
15
1
2
3
4
5
6
7
8
NON
R1
13
1
2
3
4
5
6
7
8
DAN217
D2
1
2
3
DAN217
D3
1
2
3
D+3.3
10/16MV
C45
D+5
DGND
74VHC541
U18
1
OE1
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
11
Y8
12
Y7
13
Y6
14
Y5
15
Y4
16
Y3
17
Y2
18
Y1
19
OE2
DGND
DGND
FC-40P-L300
W8
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 27 28 29 30 31 32 33 34 35 36 37 38 39 40
HEADER10P-P2.0-9210B
J1
1 2 3 4 5 6 7 8 9 10
NANOSMDC075F
U40
JOG[0]
IORDY
/BRST_LCD
DD[9]
LCD_D[4]
LEDA[6]
DD[5]
AN[3]
LEDK[0]
INT[3]
DD[15]
KEYSEG[0-7]
USB_PWR_ON
KEYSEG[6]
AN[0]
/DIOR
KEYDEG[0]
DD[10]
DD[2]
KEYSEG[5]
/IDECS[0]
LCD_D[5]
JOG[1]
/RESET
KEYDEG[3]
KEYSEG[0]
LCD_D[7]
LEDA[1]
DD[13]
AN[0-3]
KEYSEG[2]
DD[3]
LCD_D[1]
DD[14]
LEDK[1]
KEYDEG[4]
DD[1
1
]
LEDA[2]
DD[8]
EGPIO[2]
LEDK[0-3]
AN[2]
IDEDA[2]
DD[12]
USBP[0]
DD[6]
KEYDEG[2]
LEDA[3]
LEDA[0]
IDEDA[0]
LEDA[7]
IDEDA[0-2]
DD[4]
USBM[0]
LEDK[2]
LCD_D[6]
DD[1]
TXD[1]
LEDK[3]
LCD_D[2]
KEYDEG[1]
LEDA[0-7]
KEYDEG[0-7]
LCD_D[3]
IDEDA[1]
EGPIO[15]
/IDECS[1]
KEYSEG[4]
KEYSEG[7]
AN[1]
LEDA[5]
KEYSEG[3]
DD[0]
/DMACK
DD[0-15]
LCD_D[0-7]
KEYSEG[1]
LEDA[4]
/BRESET
LCD_D[0]
/DIOW
BOOT0
TXD[0]
/RST_ADDA
DA_DA
T
A
[0]
MCLK BCK LRCK
AD_DA
T
A[0]
AD_DA
T
A[1]
PHANT
O
M_ON
RXD[0]
BF
ADER_SEL0
BF
ADER_SEL1
RED_LED
INPUT_SEL[0]
INPUT_SEL[1]
KEYDEG[7] KEYDEG[6] KEYDEG[5]
/MUTE
DA_DA
T
A
[1]
PWR_ON_SW
EGPIO[3]
INT[0]
EGPIO[3]
BSTBY_BLIGHT
PWR_ON_MAIN
BSTBY_BLIGHT
INT[2]
DD[7]
/BRD
/BWR
BAD[0]
/BCS[3]
RS_LCD /WR_LCD /RD_LCD
MIDI OUT
SERIAL
I/O
to ANALOG
BUF
IDE CONNECT
OR
to KEY&LED
(IDE DEVICE
A/P)
CPU2
USB
(FOR KEYBOARD)
FOOT
SW
CONFIG
(IDE DMA
REQUEST)
CPU2
RESET
SYSTEM POWER
CPU2
POR RESET
CPU2
CPU2
CONNECT
CPU2
(F
ADER AGND)
--- JUMPER Seting ---
Model W1 W2 W3 W4 W5 W6 W7
MR-8HD ON OFF ON ON OFF ON OFF
MR-16HD OFF ON OFF OFF ON OFF ON
CPU1
CPU2
CPU2
(PWR_ON_SW)
MR-16HD Only
CPU1
(PWR_ON_ANA)
(/FOOT_SW)
CPU2
(PWR_ON_CPU)
CPU1
--- MOUNT/UNMOUNT
Note ---
Model C44 R79 R91-94 U19 U30-34 J1
1 J50 J51 J54
MR-8HD OFF ON OFF ON OFF OFF 25P
30P
ON
MR-16HD ON OFF ON OFF ON ON 30P
17P
OFF
BUF
CPU2
CPU2
CPU2
CONNECT
to KEY&LED
LCD
CPU1,BUF
,USB
CPU2
CPU2
CPU1
CPU2
MR-8HD
MR-16HD
MR-16HD
MR-8HD
MR-8HD
MR-16HD
BUF