Boss GT-100 Service Notes page 25

Mar. 2012
fig.d-main-2.eps@R
MA(15:0)
MD(15:0)
MA(14)
MA(15)
R190
MA(12)
MA(11)
MA(10)
MA(9)
MA(8)
MA(7)
D+3.3 MA(6)
MA(5)
MA(4)
MA(3)
MA(2)
R269
MA(1)
10k
MA(0)
1 8
XMSDRCS
XMRAS 2 7
3 6
XMCAS
4 5
XMWE
1 8
MDQM1
MDQM0 2 7 RA37
MCKE 3 6 EXB28VR000X
4 5
MCKO
R162
0
TP154 MA(15)
TP155 MA(14)
MA(12)
TP38
MA(11)
TP156 GND
MA(10)
TP157
MA(9)
TP158
MA(8)
TP159
MA(7)
TP160
MA(6)
TP161
MA(5)
TP162
MA(4)
TP163
MA(3)
TP164
MA(2)
TP165
MA(1)
TP166
MA(0)
TP167
TP51 TP53 TP58 TP56
R270
22k
R301 R296 D ( 0.5% )
12k 10k
D ( 0.5% ) D ( 0.5% )
2
3
R302 R295
12k 10k
D ( 0.5% ) D ( 0.5% ) AK2923H-E2
IC25
C278 C279
0.1uF 0.1uF
R271
22k
D ( 0.5% )
6
GND
5
AK2923H-E2
D+3.3
TP54
IC25
R305
10k
D ( 0.5% )
R306
C277
10k
0.1uF
D ( 0.5% )
GND RA1
EXB28V101JX
1
MD(7)
2
MD(6)
3
MD(5)
MD(4) 4
MD(1) 1
2
MD(3)
3
MD(0)
4
MD(2)
RA2
EXB28V101JX
R164 0
LCD-D
LCDE
ED(15:0)
1 8
2 7
EA(14) RA31
EA(13) 3 6 EXB28V103JX
4 5
EA(12)
GND
EFFECT RAM
64Mbit
EA(13) 20 53 1 8 RA32
BA0 DQ15
EA(14) 21 51 2 7 EXB28V820JX
BA1 DQ14
35 50 3 6
EA(11)
A11 DQ13
22 48 4 5
EA(10)
A10/AP DQ12
34 47 1 8
EA(9) RA33
A9 DQ11
EA(8) 33 45 2 7 EXB28V820JX
A8 DQ10
32 44 3 6
EA(7)
A7 DQ9
31 42 4 5
EA(6)
A6 DQ8
30 13 1 8
EA(5) RA34
A5 DQ7
EA(4) 29 11 2 7 EXB28V820JX
A4 DQ6
26 10 3 6
EA(3)
A3 DQ5
25 8 4 5
EA(2)
A2 DQ4
24 7 1 8
EA(1) RA35
A1 DQ3
EA(0) 23 5 2 7 EXB28V820JX
A0 DQ2
4 3 6
DQ1
2 4 5
DQ0
19
D+3.3
_CS
18
_RAS
17 1 C88 0.1uF
_CAS VDD
16 14
C92 0.1uF
_WE VDD
27
C89 0.1uF
VDD
37 3
C93 0.1uF
CKE VDDQ
38 49 C90 0.1uF
CLK VDDQ
9
C94 0.1uF
VDDQ
39 43
C91 0.1uF
UDQM VDDQ
R161
15
LDQM
UnPop
12
GND
VSSQ
46
C85 VSSQ
36 6
UnPop NC VSSQ
52
VSSQ
40 28
NC VSS
41
VSS
54
GND
VSS
IC10
GND
M12L64164A-7TG2M(70NM)
53 1 8
UnPop
DQ15
20 51 2 7
RA38
BA0 DQ14
21 50 3 6 EXB28V470JX
BA1 DQ13
0 36 48 4 5
NC DQ12
35 47 1 8
A11 DQ11
22 45 2 7
RA39
A10/AP DQ10
34 44 3 6 EXB28V470JX
A9 DQ9
33 42 4 5
A8 DQ8
32 13 1 8
A7 DQ7
31 11 2 7
RA40
A6 DQ6
30 10 3 6 EXB28VR000X
A5 DQ5
29 8 4 5
A4 DQ4
26 7 1 8
A3 DQ3
25 5 2 7
RA41
A2 DQ2
24 4 3 6
EXB28VR000X
A1 DQ1
23 2 4 5
A0 DQ0
D+3.3
19 27
C97 0.1uF
_CS VDD
RA36 18 14 C101 0.1uF
_RAS VDD
17 1
EXB28VR000X C98 0.1uF
_CAS VDD C104
16 49
C102 0.1uF
_WE VDDQ 10uF
39 43
C99 0.1uF
UDQM VDDQ 2125
15 9 C103 0.1uF
LDQM VDDQ
38 3 C100 0.1uF
CLK VDDQ
37
CKE
40
NC
52
VSSQ
R163 46
VSSQ
UnPop
12
VSSQ
6
VSSQ
54
VSS
41
C96 VSS
28
UnPop VSS
IC11
GND
M12L128168A-7TG2L(70NM)
WORK RAM
Max 256Mbit
TP59
TP61
1
TP68 TP69
D+3.3
LCD2-FB
IC25
AK2923H-E2
C276
0.1uF
LCD2-OUT
7
GND
RA46
D+3.3 EXB28V103JX
C107
0.1uF
RA42
GND
EXB28V101JX
8 9 12 1 8
D7 Q7
7 8 13 2 7
D6 Q6
6 7 14 3 6
D5 Q5
5 6 15 4 5
D4 Q4
8 5 16 1 8
D3 Q3
7 4 17 2 7
D2 Q2
6 3 18 3 6
D1 Q1
5 2 19 4 5
D0 Q0
RA43
1
_OE EXB28V101JX
11
CK
IC12
GND TC74VHC574FT(EL)
2 5.5V
GND
XLCD-RST
1 7
IC6
TC7WU04FU(TE12L.F)
1
2
D+3.3
LCDCS IC14
TC74VHC32FT(EK2.M)
C17
0.1uF
ED(14)
ED(15)
ED(12)
ED(13)
ED(10)
ED(11)
ED(9)
ED(8)
GND
ED(7)
ED(6)
ED(5)
ED(4)
ED(3)
4
ED(2)
ED(1)
6 2 5
ED(0)
IC6
TC7WU04FU(TE12L.F)
3 5
C95
10uF
IC6
2125
TC7WU04FU(TE12L.F)
GND
9
8
10
IC14
TC74VHC32FT(EK2.M)
12
11
13
IC14
TC74VHC32FT(EK2.M)
D+1.2
W15
C115
C109 C111 C113 0.1uF W6
V15
47uF 10uF 10uF C116
V6
16V 2125 2125 0.1uF
M4
C117
0.1uF M3
L19
C118
L18
0.1uF
D19
C119
0.1uF D18
D4
C120
0.1uF
D+3.3
MD(15)
MD(14)
MD(13)
Y10
MD(12) C121
W10
MD(11) C106 C110 C112 C114 0.1uF
V10
MD(10) 47uF 47uF 10uF 10uF C122
MD(9) 16V 16V 2125 2125 0.1uF T4
T3
MD(8) C123
R19
MD(7) 0.1uF
R18
MD(6) C124
MD(5) 0.1uF G19
G18
MD(4) C125
G4
MD(3) 0.1uF
G3
MD(2) C126
D17
MD(1) 0.1uF
MD(0) C127 D7
0.1uF
AA21
AA1
A21
A1
P14
P13
P12
P11
P10
P9
P8
N9
N8
N14
N13
N12
N11
N10
M14
M13
M12
M11
M10
M9
M8
L14
L13
L12
L11
GND
MD(15) TP168
MD(14) TP169
MD(13) TP170
MD(12) TP171
MD(11) TP172
MD(10) TP173
MD(9) TP174
D+3.3
MD(8) TP175
MD(7) TP176
MD(6) TP177
MD(5) TP178
MD(4) TP179
MD(3) TP180
MD(2) TP181
MD(1) TP182
MD(0)
TP183
D+3.3
RA47
EXB28V103JX
R118
10k
TP195
LCD-R
R38
C37
10k
UnPop
D+3.3
C5
10uF
GND 2125
C4
0.1uF
TP1
3
IC14
TC74VHC32FT(EK2.M)
C42
0.1uF
IC6
TC7WU04FU(TE12L.F)
6
IC14
TC74VHC32FT(EK2.M)
AA5
VDD VSS
AA3
VDD VSS
Y3
VDD VSS
W21
VDD VSS
W20
VDD VSS
W19
VDD VSS
W13
VDD VSS
W8
VDD VSS
W4
VDD VSS
V18
VDD VSS
V13
VDD VSS
V8
VSS
V4
VSS
U21
VSS
P4
VSS
P3
VDE VSS
P1
VDE VSS
N19
VDE VSS
N18
VDE VSS
K4
VDE VSS
K3
VDE VSS
J21
VDE VSS
J19
VDE VSS
J18
VDE VSS
G21
VDE VSS
F18
VDE VSS
F4
VDE VSS
F1
VDE VSS
E4
VSS
D21
VSS
D12
VSS
D1
VSS
C17
VSS
C3
NC VSS
B17
NC VSS
A18
NC VSS
NC
H8
NC NC
H9
NC NC
H10
NC NC
H11
NC NC
H12
NC NC
H13
NC NC
H14
NC NC
J8
NC NC
J9
NC NC
J10
NC NC
J11
NC NC
J12
NC NC
J13
NC NC
J14
NC NC
K8
NC NC D+3.3
K9
NC NC TP63
K10
NC NC
K11
NC NC
K12
NC NC
K13 TP64
NC NC
K14
NC NC
L8
NC NC
L9
NC NC
L10
NC NC
NC
IC1
GND
MB8AA4181(ESC2)
1
GND
R300
R297
1.5k
18 PVCC
3/4W
GND
C129 10uF 2125
R311 0
C130
R312 0
0.1uF
GND
C131 1uF
C135 1uF
C132 1uF
C136 1uF
C133 1uF
C137 2.2uF 2125
C139 2.2uF 2125
C138 2.2uF 2125
R172 0
C134 2.2uF 2125
LCD-D7
LCD-D6
LCD-D5
LCD-D4
LCD-D3
LCD-D2
LCD-D1
LCD-D0
LCD-RD
LCD-WR
LCD-RS
XLCD-RST
LCD-CS
R166 0
R167 0
TP72
R148 0
D+3.3
TP71
1
R299 1.5k
LCD2-OUT
PVCC
LCD2-FB
R298
GND 18
3/4W
R314
R313
GND
GND
C8 1uF
C7 1uF
C9 1uF
C11 1uF
C10 1uF
C15 2.2uF 2125
C12 2.2uF 2125
C14 2.2uF 2125
R2 0
C13 2.2uF 2125
R3 0
R5 0
R4 0
GT-100
C170 D+3.3
10uF
2125
C172
0.1uF
C275
10uF
2125
C274
0.1uF
GND
to LCD UNIT
CN1 A2001WR2-2P
1
UnPop
2
CN1 A2001WR2-2P
UnPop
1
2
3
NC
4
V0
5
V4
6
V3
7
V2
8
V1
9
C2-
10
C2+
11
C1+
12
C1-
13
C3+
14
C4+
15
VOUT
16
DGND
17
D+3.3
18
D7
19
D6
20
D5
21
D4
22
D3
23
D2
24
D1
25
D0
26
RD
27
WR
28
RS
29
UNIT-RST
30
CS
CN4
52559-3052
PVCC
C273 10uF 2125
C272 0.1uF
C6
10uF 2125
C3 0.1uF
GND
CN5 A2001WR2-2P
1
UnPop
2
CN5 A2001WR2-2P
UnPop
0
0
1
2
3
NC
4
V0
5
V4
6
V3
7
V2
8
V1
9
C2-
10
C2+
11
C1+
12
C1-
13
C3+
14
C4+
15
VOUT
16
DGND
17
D+3.3
18
LCD-D7
D7
19
LCD-D6
D6
20
LCD-D5
D5
LCD-D4 21
D4
22
LCD-D3
D3
23
LCD-D2
D2
24
LCD-D1
D1
25
LCD-D0
D0
LCD-RD 26
RD
27
LCD2-WR
WR
28
LCD2-RS
RS
29
XLCD-RST
UNIT-RST
LCD2-CS 30
CS
CN6
52559-3052
25