Zoom G2.1u Service Manual page 21

1 2
D
DSP_RST-
CPUD[0..7]
PORT_C2D
PORT_D2C
C
64FS
D_IN
1FS
D_OUT
256FS
B
DSP_HAS-
DSP_R/W-
DSP_HDS-
DSP_RDY
IC5A IC5B
1 2 3 4 5
SN74HCU04ANS SN74HCU04ANS SN74HCU04ANS
R37
IC5D
9 8
1M
R50
X2
SN74HCU04ANS 220
IC5E
11 10 C78 24.576MHz C79
15p 15p
SN74HCU04ANS
+3.3VD
A
C50
0.1u
IC5F
13 12
SN74HCU04ANS
1 2
3
CPUD[0..7]
+3.3VD +1.26VD
R65
1
GPIO6
2
47k GPIO4
3
GPIO2/BOOTM2
GPIO1
4
GPIO1/BOOTM1
GPIO0 5
GPIO0/BOOTM0
6
TIM1
+3.3VD 7
R66 TIM0
8
INT0
C29 9
47k CVDD
0.1u 10
INT1
11
INT2
C30 12
DVDD
0.1u 13
INT3
14
NMI/WDTOUT
15
IACK
16
VSS
17
CLKR0
+3.3VD +3.3VD 18
DR0
19
FSR0
20
CLKX0
R70 R71
C31 21
CVDD
47k 47k
0.1u 22
DX0
23
FSX0
64FS R77 0 24
CLKR1
D_IN 25
DR1
1FS R78 0 26
FSR1
D_OUT R79 0 27
DX1
28
CLKX1
R69
29
VSS
47k
30
FSX1
31
TEST
32
NC
C43 33
CVDD
0.1u 34
RX
35
GPIO5
C42 36
DVDD
0.1u 37
TX
38
GPIO3
39
VSS
40
SCL
41
SDA
CPUD1 42
HC1/HBIL
DSP_HAS- 43
HC0/HAS
44
HCS
CPUD3
CPUD2
DSP_R/W-
DSP_HDS-
DSP_RDY
+3.3VD L13 VDD_PLL
BLM18AG102S
+ C80
10u/16V
IC5C SYSCLK/256FS need GND guard pattern
R82
6
0
3
4 5
DSP_RST-
R67
47k
C75
470p
+1.26VD +3.3VD
132
D17
131
D18
130
VSS
129
D19
128
D20
127
D21
126
D22
125
D23
124
DVDD
123
D24
122
D25
121
CVDD
120
D26
119
D27
118
D28
117
VSS
116
D29
115
D30
IC2 114
D31
ZFX-3 113
CVDD
112
A2
111
A3
110
A4
109
VSS
108
A5
107
A6
106
A7
105
DVDD
104
A8
103
A9
102
A10
101
A11
100
CVDD
99
A12
98
A13
97
VSS
96
A14
95
A15
94
DVDD
93
A16
92
A17
91
VSS
90
A18
89
A19
C45
C51
0.1u
0.1u
EMI
R81 /DSP_CAS
0 /DSP_RAS
/DSP_WE
TP2
DSP_TX /DSP_CE0
DSP_SDCLK
DSP_BE0
DSP_BE1
DSP_SDCKE
SYSCLK
4 5
6 7
C35
open-c
C32
0.1u
DSPD[0..15]
C34 0.1u
+3.3VD
DSPA2
DSPA3 IC3
DSPA4 C36 1
VCC
DSPD15 0.1u 2
I/O0
DSPA5 DSPD14 3
I/O1
DSPA6 4
GNDQ
DSPA7 DSPD13 5
I/O2
C33
DSPD12 6
I/O3
0.1u DSPA8 C37 7
VCCQ
DSPA9 DSPD11 0.1u 8
I/O4
DSPA10 DSPD10 9
I/O5
DSPA11 10
GNDQ
C48 DSPD9 11
I/O6
DSPA12 DSPD8 12
0.1u
I/O7
DSPA13 C38 13
VCCQ
DSP_BE1 0.1u 14
LDQM
/DSP_WE 15
WE
/DSP_CAS 16
CAS
C49 /DSP_RAS 17
RAS
/DSP_CE0 18
0.1u
CS
DSPA13 19
A11
DSPA12 20
A10
DSPA2 21
A0
DSPA3 22
A1
DSPA4 23
A2
DSPA5 24
A3
C39 25
VCC
0.1u
IS42S16100C1-7TL
DSPA[2..13]
DSP_SDCLK need GND guard pattern
G2.1u CIRCUIT DIAGRAM
MAIN PCB (DSP) PCB-5155
6 7
8
D
C
+3.3VD
50
GND
49 DSPD0
I/O15
48 DSPD1
I/O14
47
GNDQ
46 DSPD2
I/O13
45 DSPD3
I/O12
44 C40
VCCQ
43 0.1u DSPD4
I/O11
42 DSPD5
I/O10
41
GNDQ
40 DSPD6
I/O9
39 DSPD7
I/O8
38 C41
VCCQ
37 0.1u
NC
36 DSP_BE0
UDQM
35 DSP_SDCLK
CLK
34 DSP_SDCKE
CKE
33 R83
NC
32 DSPA11 open-r
A9
31 DSPA10
A8
30 DSPA9
A7
29 DSPA8
A6
28 DSPA7
A5
27 DSPA6
A4
26
GND
B
A
Title
D164 MAIN PCB(PCB-5155) ANALOG circuit 1/7
D164 MAIN PCB(PCB-5155) DSP circuit 4/7
Size Number Revision
Z3A-0223-A3
MP
A2 Z3A-0223-A3
- 21 -
MP
Date: 28-Dec-2005 Sheet of
File: \\Server\PAT\‹Z p•"\Service Manual\G2.1u\Œ³ƒlƒ^\19-25-G2.1u Circuit.ddb Drawn By:
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