MAIN BOARD (1/10)
12V
5V
A5V
3.3V
3.3V
1
3
4
6
7
CN14
AUDATA0
AUDATA1
AUDATA2
AUDATA3
AUDSYNC
TCK
TMS
TRST
TDI
TDO
ASEBRKAK
RESET
AUDCK
2
3
4
5
6
9
10
11
12
13
14
16
18
CN25 OPEN
POWEROFF
1
CN15
CF11
CF12
CF14
CF13
V12
IN
OUT
V5D
V5A
V3D
V3D
TP15
TP16
TP17
IC11(b)
IC11(a)
5
6
5
6
c
3
4
3
4
b
IC22(c)
IC22(b)
IC23
IC23
IC21
REGULATOR
IC32 CPU
ADJ
1
5
4
V3D1 (3/10)
NMI (6/10)
FPVPLY (10/10)
FPVREC (9//10)
FPIREC (9/10)
FPIPLY (10/10)
STIRQ (4/10)
SPCIRQ (5/10)
INTJ1 (10//10)
INTJ0 (9/10)
INTFC1 (10//10)
INTFC0 (9/10)
I2CIRQ (2/10)
485IRQ (6/10)
232IRQ (6/10)
UPSIRQ ( 6/10)
MDIRQ (3/10)
TXD1 (4/10)
RXD1 (4/10)
3RESET (2,3/10)
5RESET (2,8-10/10)
IC24
RESET PULSE
GENERATOR
IC22(f)
IC23
SW21
3
7
VCCRTC
VCC
VIN
VOUT
2
4
#NMI
160
176
12
11
10
9
8
140
141
142
143
178
179
180
185
186
187
188
126
IRQ5
IRQ4
IRQ3
IRQ2
IRQ1
IRQ0
PINT11
PINT10
PINT9
PINT8
PINT6
PINT5
PINT4
PINT3
PINT2
PINT1
PINT0
PTG7
BUSYO
6
2
1
7
PTD6
PTD5
PTG0
PTG1
PTG2
PTG3
PTE7
192
114
135
133
131
130
f
13
12
12
13
AUD0
AUD1
AUD2
AUD3
139
137
136
138
120
TCK
TMS
TRST
TDI
TDO
94
166
128
PTG5
TXD1
RXD1
101
100
96
123
87
#CS5
#CS4
#CS0
#WAIT
#BS
CKIO
#CS3
RD/#WR
#RD
CKE
#RAS3L
#CASL
DQMUU/WE3
DQMUL/WE2
DQMLU/WE1
DQMLL/WE0
EXTAL
XTAL2
EXTAL2
TXD2
PTJ7
RXD2
CTL1
CTL2
CTL3
CTL5
CTL6
CTL7
CTL8
CTL9
CTL10
CTL11
99
93
88
105
106
108
92
91
90
89
BRK-AK
172
193
124
#RESET
#RESET
IC22(d)
IC25
IC23
9
8
8
1
2
4
9
d
e
8
#RESETP
#RESETM
PTE6
PTE1
PTE2
IC22(e)
IC23
11
10
IC22(a)
IC56
2
1
1
2
3
Q41
11
10
∗
RES
VSA
V/
∗
RES
2
1
5
6
SW24
2
1
7
6
5
6
SW25
2
1
5
6
116
119
118
1A
1B
2Y
1Y
2B
2A
IC57 (a)
MONOSTABLE
MULTIVIBRATOR
A1
Q1
#Q1
SW7
7
6
6
7
5
4
ADJ
IC55
REGULATOR
V3D
1
53-56,58.60-68,70,72-78,80,82,84,86
13-18,20,22-26,28,30-32,34,36-44,46,48-52
A0-A25
D0-D31
#IRQOUT
PTL7
PTL6
PTL5
PTL4
PTL3
PTL2
PTL1
PTL0
Q21
D23
SW23
SW23
SW7
207
206
204
203
202
201
200
199
9
SW7
SW6
SW5
10
11
12
13
14
15
16
V3D
A0-A13
ADR0-ADR25
D0-D31
A0,A1
A20-A23
20-26
29-35
DQ0-DQ15
#CS
#RAS
#CAS
#WE
DQMU
DQML
CLK
CKE
19
18
17
16
39
15
38
37
CTL1
CTL6
CTL7
CTL2
CTL8
CTL9
CTL5
IC36 SDRAM
2,4,5,7,8,10,11
13,42,44,45,47
48,50,51,53
A0-A13
20-26
29-35
DQ0-DQ15
#CS
#RAS
#CAS
#WE
DQMU
DQML
CLK
CKE
19
18
17
16
39
15
38
37
CTL1
CTL6
CTL7
CTL2
CTL10
CTL11
CTL5
IC37 SDRAM
IC33
ADR (0-25)
DAT (0-31)
CTL (1-26)
CS (1-30)
STRCS (4/10)
SPCACS (5/10)
SPCBCS (5/10)
CSGDB (2/10)
CSFMC0 (9/10)
CSFMC1 (10/10)
CSJPG0 (9/10)
CSJPG1 (10/10)
ETCRCS (6/10)
LEDCS (3/10)
RSTCS (3/10)
MBUF (2/10)
5BUF (2/10)
3BUF (3/10)
ABUF (3/10)
DIR (2,3/10)
5DIR (2/10)
SIRQCS (5/10)
PLDWE0 (2/10)
REARR0 (6/10)
REARR1 (6/10)
REARW0 (6/10)
REARW1 (6/10)
BUSYI (3/10)
PLDRD (2/10)
CLK20M (4/10)
PALnNT (7/10-10/10)
CTXD (6/10)
CRXD (6/10)
3DAT2 (3/10)
FRNRST (3/10)
Q342,Q343
CT21
X22
IC49
X21
STWAIT (4/10)
2,4,5,7,8,10,11
13,42,44,45,47
48,50,51,53
26-30,32
ADR0,ADR1,ADR20-ADR23
33
34
35
40
65
19
43
45
BUSYO
46
47
48
49
CTL2
CTL3
CTL10
CTL11
20
22
23
24
97
98
CTL20
CTL21
CTL22
CTL23
CTL25
CTL26
11
#RESET
SW7
SW6
SW5
53
55
56
51
52
10
9
38
88
66
#RESET
162
RD/WR
RD
WE1
WE0
CS5
CS4
CS0
WAIT
BS
Y0
SRAMUB
SRAMLB
SRAMWR
FLASHWP
UDS
LDS
IN7
IN6
IN5
IN4
#RESET
OUT
LPF
3
4
5
168
158
174
156
TP21
1
2
a
IC49
9
10
c
IC49
4
5
6
8
b
IC31
1
2
a
IC31
4
5
b
IC31
12
13
11
3
3
6
8
d
IC31
IC411
9
10
c
HDDLED1
HDDLED2
1
2
TO
SCSI-IDE BOARD
. . . . . . . . . . . CN1
TO
FRONT BOARD
. . . . . . . CN403
HDD LED
FTXD
FRXD
FRNRST
FCONNECT
4
5
6
8
9
CN21
TDO
TDI
ISPEN
2
3
4
CN22
TMS
TCK
1
3
IC428
4
1
2
6
1
2
FLSHCS
SRAMCS
ROM1CS
ROM2CS
STRCS
SPCACS
SPCBCS
SIOCS
CSGDB
CSFMC0
CSFMC1
CSJPG0
CSJPG1
CPCS
12CCS
WRGP0
RDGP0
RDGP1
RDGP2
MDCS
ETCRCS
NICRCS
NICWCS
SIRQCS
SICHSL
LEDCS
RSTCS
MBUF
5BUF
3BUF
ABUF
DIR
5DIR
TDO
TDI
#BSCAN
TMS
TCK
57
58
67
68
69
70
72
73
74
76
77
78
79
80
82
83
84
85
90
91
92
95
96
99
1
2
3
5
6
7
8
17
37
59
87
16
15
CS0
CS1
CS2
CS3
CS7
CS15
CS16
CS17
CS19
CS20
CS21
CS22
CS25
CS26
CS30
18
8
7
6
5
4
3
2
1
PINT12
PINT14
PINT15
PINT13
PTE0
151
AUDCK
1
2
3
4
5
6
7
8
NTSC
OFF
ON
OFF
ON
OFF
OFF
OFF
OFF
PAL
ON
ON
OFF
ON
OFF
OFF
OFF
OFF
TO
POWER
BOARD
. . . CN4
TO
ANALOG
BOARD
. . . CN15
CN404
CN403
– 15 –
BLOCK DIAGRAM OF MAIN BOARD (1/10)