
50
&
Service Manual
• CPU2, MAIN PCB (2/7)
DGND
NON
C55
KEYDEG[0-7]
NON
C59
EGPIO[2]
EGPIO[15]
JOG[0]
ASDO
D+3.3
DD[0-15]
JOG[1]
22PF
C57
22J
R14
AD_DA
T
A[0]
/DIOW
DAN217
D10
1
2
3
USBP[0]
IDEDA[0-2]
/DIOR
22PF
C58
F
A
DER_SEL1
100J
R12
IORDY
22PF
C60
22J
R15
/IDECS[1]
/DMACK
KEYSEG[0-7]
DAN217
D7
1
2
3
DGND
TXD[1]
/MUTE
D+3.3
/DACK
/DEND
/DREQ
BCK
D+3.3
/RST_ADDA
22J
R17
22J
R16
LRCK
RXD[0]
100J
R1
1
PHANT
O
M_ON
DGND
USB_PWR_ON
27J
R107
/IDECS[0]
DGND
DAN217
D9
1
2
3
/DSTB
F
A
DER_SEL0
DAN217
D8
1
2
3
AD_DA
T
A[1]
22PF
C61
/RST_LCD
MCLK
27J
R106
USBM[0]
AN[0-3]
NON
D5
12
NON
D6
12
DGND
BINPUT_SEL[0]
DA_DA
T
A
[0]
100J
R18
STBY_BLIGHT
TXD[0]
/INT[2]
RED_LED
NON
R105
NON
R104
RASTER
KEYBOARD
EGPIO
UAR
T
S
ETHERNET
USB
T
O
UCHSCREEN
TWO WIRE
IDE
BOOT
LEDS
SEIAL
AUDIO
SPI1
U1
EP9312-E2
A4
DD[8]
A5
DD[4]
A8
RXCLK
A9
MIIRXD[0]
A10
RXDV
AL
A1
1
MIITXD[2]
A12
TXERR
A13
CLD
B5
DD[7]
B6
DD[3]
B8
MDIO
B9
MIIRXD[1]
B10
RXERR
B1
1
MIITXD[1]
B12
CRS
C5
DD[10]
C6
DD[6]
C7
DD[2]
C8
MDC
C9
MIIRXD[3]
C10
TXCLK
C1
1
MIITXD[0]
D3
DD[1
1
]
D6
DD[9]
D7
DD[5]
D9
MIIRXD[2]
D10
MIITXD[3]
D1
1
TXE
D15
EGPIO[14]
E17
DIOW
E18
EGPIO[0]
E19
EGPIO[3]
E20
EGPIO[5]
F17
EGPIO[2]
F18
EGPIO[4]
F19
EGPIO[6]
F20
EGPIO[8]
G17
EGPIO[7]
G18
EGPIO[9]
G19
EGPIO[10]
G20
EGPIO[1
1]
H20
XP
J18
XM
J19
YP
J20
YM
K17
SYM
K18
SYP
K19
SXM
K20
SXP
L17
COL[5]
L18
COL[7]
U5
P[6]
U6
P[4]
U7
P[0]
U1
1
DSR
M17
COL[4]
M18
COL[3]
M19
COL[6]
V5
DD[13]
V6
P[1]
V10
IDECS0
V1
1
IDEDA[2]
N18
COL[0]
N19
COL[1]
N20
COL[2]
P4
BRIGHT
W5
P[3]
W10
IDECS1
W1
1
IDEDA[1]
P19
ROW[6]
P20
ROW[7]
R3
P[17]
R4
P[14]
Y1
1
IDEDA[0]
R17
ROW[0]
R18
ROW[3]
R20
ROW[5]
T2
BLANK
T3
P[13]
T4
SPCLK
U2
P[15]
U3
P[10]
U4
P[7]
V1
P[16]
V2
P[1
1
]
V3
P[8]
V4
DD[15]
W1
P[12]
W2
P[9]
W3
DD[0]
W4
P[5]
Y1
HSYNC
Y2
DD[1]
Y3
DD[12]
Y4
P[2]
A17
EGPIO[12]
A18
EGPIO[15]
B17
EGPIO[13]
C18
USBP[2]
C19
IORDY
C20
DMACK
D17
USBM[2]
D18
ARST
D19
DIOR
D20
EGPIO[1]
T17
RXD[0]
T18
TXD[2]
U20
ROW[1]
T20
ROW[4]
U17
USBM[0]
U18
RXD[1]
U19
TXD[1]
T19
ROW[2]
V17
RT
S
V18
USBP[0]
V19
CTS
V20
TXD[0]
W18
SLA[1]
W19
SLA[0]
W20
RXD[2]
Y17
SFRM1
Y18
RDLER
Y19
USBP[1]
Y20
ABITCLK
E16
ASDI
U14
SSPRX1
V14
ASYNC
V15
SSPTX1
W14
EECLK
W15
SCLK1
W16
GRLED
Y12
DTR
Y15
EEDA
T
Y16
ASDO
T16
USBM[1]
T5
V_SYNC
T6
DD[14]
A14
NC
A15
NC
A16
NC
A19
NC
A20
NC
B13
NC
B14
NC
B15
NC
B16
NC
B18
NC
C12
NC
C13
NC
C14
NC
C15
NC
C16
NC
C17
NC
D12
NC
D13
NC
D14
NC
D16
NC
100J
R1
DGND
DA_DA
T
A
[1]
100J
R48
EGPIO[3]
DGND
E7
1
E6
1
DGND
47KJ
R42
0.01UF
C39
DGND
D+3.3
D+3.3
M25P80-SO16
U4
1
HOLD
2
VCC
3
NC
4
NC
5
NC
6
NC
7
S
8
Q
9
W
10
VSS
11
NC
12
NC
13
NC
14
NC
15
D
16
C
DGND
D+3.3
47KJ
R19
J4
NON
1 2 3 4 5 6 7 8
KEYDEG[0]
AN[2]
KEYSEG[1] KEYSEG[2]
DD[3]
DD[9]
DD[2]
IDEDA[2]
IDEDA[0]
/DMACK
DD[1]
IDEDA[1]
KEYSEG[3]
/IDECS[1]
DD[13]
DD[4]
DD[12]
KEYSEG[4] KEYSEG[5]
DD[5]
/IDECS[0]
KEYDEG[4]
DD[7]
AN[0]
DD[15] DD[14]
KEYDEG[3]
KEYSEG[6]
DD[1
1
]
AN[3]
DD[8]
DD[10]
DD[6]
AN[1]
DD[0]
KEYSEG[0]
KEYSEG[7]
KEYDEG[1] KEYDEG[2]
KEYDEG[7]
KEYDEG[6]
KEYDEG[5]
SFRM1
SCLK1
SSPTX1
SSPRX1
006-F3 <<CONNECT
006-F2 CONNECT
NO CONNECT
VSENS
006-A4 >>CONNECT
SDI1 :EGPIO[5]
IDE DASP
006-C3 CONNECT
003-C3,006-F5
006-F3 <<>> CONNECT
<PHANT
O
M>
<USB HOST>
006-A5 >>CONNECT
SDI0 :ASDI,SSPRX1
SDO0 :ASDO,SSPTX1
*AUDIO SERIAL
SDO1 :EGPIO[4]
IDE DMARQ
MIDI OUT
003-G4 CONFIG<<
RESER
VE
006-F5 <<CONNECT
006-A4 >>CONNECT
006-A6 >>CONNECT
IDE
SDI2 :EGPIO[13]
006-A4 >>CONNECT
<ANALOG I/O>
006-F3 >>CONNECT
NO CONNECT
TXD[2]
EGPIO[2] :IDE DMA
reqest
006-A4 >>CONNECT
SERIAL
AUDIO
<F
ADER>
006-A3 CONNECT>>
006-A4 >>CONNECT
EP9312(2/2) PERIPHERAL
SDO2 :EGPIO[6]
006-A4 >>CONNECT
006-A3 CONNECT
006-F5 >>CONNECT
<MIDI I/O>
007-H6 <<USB2
SDI2 :EGPIO[13]
006-F5 CONNECT>>
006-F6 CONNECT<<
007-H6 <<USB2
IDE INTERF
ACE 006
(RS232C)
006-F2 CONNECT
SERIAL
AUDIO
SDO1 :EGPIO[4]
006-A3 CONNECT
003-D3,006-F5
SDO2 :EGPIO[6]
007-H6 <<USB2
IDE
EGPIO[15]:IDE Device active/present
006-F3 <<CONNECT
007-H6 <<>>USB2 007-H6 <<USB2
<USB>
EECLK<< EEDA
T
<<
<F
ADER>
KEY<<
006-D5 CONNECT
SERIAL
>>
006-F3 <<>>CONNECT
006-F4 <<CONNECT
006-F4 <<CONNECT
006-F5 CONNECT<< 006-F5 CONNECT<<
006-D5 CONNECT
SERIAL
>>
006-F5 CONNECT<<
006-F5 CONNECT<<
NO CONNECT
RXD[1]
NO CONNECT
/CTS
NO CONNECT
/DTR
NO CONNECT
/DSR
NO CONNECT
/R
TS
NO CONNECT
RXD[2]
006-F6 CONNECT
007-H6 <<USB2
(8HD:/FOOT_SW
,16HD:PWR_ON_CPU)
to SELIAL
ROM