Kenwood Ez700SR Service Manual page 33

Z
FLASH
ROM
IC304 IC303
3.3V
0V 8 3.3V
VCC
1 R323
26 S
10K
7
2
HOLD
128M
27 Q
3.3V
SDRAM
R322
3
W 3.3V
10K
6
C 30
5
0V 4
D 29
VSS
3.3V
0V
Q307 Q306
Q303
R314
10K
43
44
I-3.3V
I-1.8V
0V
0V 1
VSSC1
3.3V 2
VDDE1
0V 3 3.3V
VSSE1
0V
4
VSSC2
5
TESTLVT
6
5
NC
0V 7
VSSC3
3.3V 8
VDDE2
9
TEST0RST
3.3V
10
R337
TEST1CTS 0V
100
11
TEST2TXD
0V 12
VSSE2
R338
13
TEST3RDX
14
100
TEST4MODE0
15
TEST5MODE1
16
TEST6MODE2
3.3V 17
VDDE3
1.8V 18
VDDC1
6
0V 19
VSSC4
20
TEST7MODE3
21
SCSN
22
SMISO
23
VSSE3
24
SMOSI
25
SSCK
26
26 FLCSN
3.3V
27
0V
27 FLMISO
3.3V 28
VDDE4
29
7
29 FLMOSI
3.3V
30
0V
30 FLSCK
31
8
CLKOUT
0V 32
VSSE4
1.8V 33
VDDOSC
C344
34
OSCIN 28.2MHz
18P
3.3V
0V
C368 R321
35
OSCOUT
18P 1K
0V 36
VSSOSC
AA
I-3.3V
98MHz
3.3V
3.3V
0V
3.3V 3.3V
0V 0V
I-3.3V
Q305
Q302
R315
10K
SDA
SCL
3.3V
3.3V 3.3V
0V
0V 0V
3.3V
0V
IC302
DSP
3.3V 3.3V 3.3V 3.3V
0V 0V 0V 0V
I-1.8V
I-3.3V
AB
3.3V 3.3V
0V 0V
3.3V
0V
Q304
I-3.3V
I-1.8V
108 1.8V
VDDMEM2
107
MEMD29 D29
3.3V
106
3.3V
VDDE13
0V 105
MEMD28 D28
104
MEMD27 D27
3.3V
103
0V MEMD26 D26
102 0V
VSSE11
101
MEMD25 D25
100
3.3V
MEMD24 D24
0V
99
MEMDQM3 99
98 3.3V
VDDE12
97
MEMDQM2 97
96
3.3V
MEMA0 A0
0V
95
MEMA1 A1
94 0V
VSSE10
93
MEMA2 A2
3.3V
92
0V
MEMA3 A3
91 0V
VSSC8
3.3V
90 1.8V
0V VDDC4
89
MEMA4 A4
88 3.3V
VDDE11
87
MEMA5 A5
86
3.3V
MEMA6 A6
0V
85
MEMA7 A7
84 0V
VSSE9
83
MEMA8 A8
82
3.3V
MEMA9 A9
0V
81
MEMA10 A10
80 3.3V
VDDE10
79
MEMA11 A11
78
3.3V
MEMBA1 BA1
0V
77
MEMBA0 BA0
76 0V
VSSE8
75 3.3V
MEMCKE 75
98MHz
R351
74
3.3V MEMCLK 74
3.3V
10
0V 73
0V
VSSC7
0V
Ez700SR/Ez900HDS (1/2)
AC AD
Ez700SR/Ez900HDS
CAUTION : For
continued safety,
C357
r e p l a c e s a f e t y
0.1
critical compo-
C358
nents only with
0.1
m a n u f a c t u r e r ' s
r e c o m m e n d e d
parts (refer to parts
list).
Indicates safety
C359
critical compo-
0.1
nents. To reduce
the risk of electric
shock, leakage-
current or resis-
tance measure-
ments shall be car-
C360
ried out (exposed
0.1
parts are accept-
a b l y i n s u l a t e d
from the supply cir-
cuit) before the ap-
pliance is returned
to the customer.
• DC voltages are
as measured
with a high im-
pedance volt-
meter. Values
m a y v a r y
slightly due to
variations be-
t w e e n i n d i -
vidual instru-
ments or/and
units.
X34-3340-1x (6/6)
1
2
3
4
5
6
7
33