Sharp FO-CC500, Service Manual

Page: 98 / 162

FO-CC500A
FO-K01A
6 – 23
[6] Cordless handset PWB circuit Main control block
1/5
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
D1 D7
A12
A13 A10 A15 A9
ROW
3
D3 D5
D[0
..
7]
COL
5
COL
1
ROW
7
D4
A2 A5
A1
ROW
6
D7
A15 A10
D4
A11
A8
A7 A5
ROW
2
D2 D1
A13
D0
COL
3
A1
D2
A0
A7
D6
A2
D5
ROW
1
ROW
0
D6
A11
A8 A6 A14 A12
A3 A4
COL
2
COL
0
D0
A14 A9
COL
4
A6
D3
ROW
5
ROW
4
A0
A[0
..15]
A4 A3
DG
DG
V
CC_3.3V
DG
V
C
C_3.3V
DG
V
CC_3.3V
V
C
C_3.3V
V
CC_BAT
V
CC_BAT
V
CC_3.3V
DG
AG
DG
V
CC_3.3V
DG
DG
V
C
C_3.3V
DG
V
CC_3.3V
DG
RFG
DG
DG DG DG
DG
DG
AG
VC
C_BAT
DG
V
C
C_3.3V
DG DG
AG
DG
DG
DG
DG
V
CC_3.3V
DG
DG
DG
V
C
C_3.3V
DG
DG
DG
DG
C
SYNCLK
D
SY
NDA
TA
D
ROM
CS
D
RE
AD
D
WR
IT
E
D
SYNEN
C
REFOSC
D
TXP
WR
1
D
SY
NS
TB
A
RXQP
D
LNAT
T
N
D
EMJMUTE
A
TXD
A
T
A
D
LCDR
S
D
MO
NI
N
A
SPOUT
C
ICLK
D
RO
MC
S
D
RX
EN
D
L
CDE
D
TXE
N
D
R
EAD
A
AGC
D
HSC
H
G
D
LC
DRST
ROW
[0..
7]
D
PARK
A
RX
IN
D COL[0.
.5
]
D
MONOUT
A
RX
QN
D
LE
DE
N
D
EMJ
CHK
D
SPMUTE
D
FRAM
E
D
LCDR
W
D
CDDATAO
UT
D
WR
IT
E
D
LCDC
S
C
MCLK
D
CDDAT
A
IN
D
TXP
W
R
0
A
RXIP
D
RESET
O
L
o
w Noise Amp attenuation
L
N
ATTN = Low : receiver High Gain mode
L
N
ATTN = High : receiver Low Gain mode
T
DD Control
T
XEN = High : Transmit Data
R
XEN = High : Receiver Data
P
ower Level Control
T
X
PWR1 = Low , TXPWR0 = Low : High Power
T
X
PWR1 = Hihg, TXPWR0 = Low : Medium Power
T
X
PWR1 = Low , TXPWR0 = High : Low Power
T
X
PWR1 = Hihg, TXPWR0 = Hihg : Undefined
(P
LL Cl
oc
k
9.
6M
Hz
)
(
1-5B)
(
1-5B)
(
1
-5B)
I2
C Serial Data
I2
C Clock
(2
-5C)
(2
-4C)
(2
-4C)
(2
-4C)
(2
-4C)
(2
-2D)
(2
-2C)
(2
-5C)
(2
-2C)
(2
-2
C
)
(
2-2D)
(
2-2C)
(
2-5C)
(
2-2C)
(
2-2D)
(
2-5C)
(3
-2C)
(
3-5D)
(5
-3C)
(
4-3D)
(
1-1A)
(
5-2D)
(3
-3C)
(
3-5D)
(5
-5D)
(5
-3C)
(
5-2B)
(
1-1A)
RO
W [0
-3
]
to
Ke
y
Ma
tr
ix
RO
W [4
-7
]
to
LC
D
Da
ta
Ch
ar
ge
Tu
rn
on
PA
RK
=
6.
6V
(P
AR
K
=
3.
0
V)
Tu
rn
o
ff PA
RK
=
0.
0V
(P
AR
K
=
0.
0
V)
[PAR
K
Po
rt
Hi
gh
Le
ve
l
is
2.
0V
]
(
3-5D)
Lo
w Ba
tte
ry
Tu
rn
on
V
cc_
BA
T
=
3.
33
V
(B
A
TT0
Inpu
t
Vo
lt
ag
e
=
1.
75
V[
+
25m
V,
-25m
V]
)
Tu
rn
o
ff V
cc_
BA
T
=
3.
52V
(B
A
TT0
Inpu
t
Vo
lt
ag
e
=
1.
85
V[
+
25m
V,
-25m
V]
)
f
or Emulator
(5
-3C)
(
3-4B)
Co
de
c Co
nt
rol
(5
-5A)
(
3-5D)
(C
od
ec
In
pu
t Cl
oc
k
4.
8M
Hz
)
(5
-3C)
(3
-3C)
(C
od
ec
Ou
tp
ut Cl
oc
k
1.
2M
Hz
)
(5
-3B)
(
3-5D)
(
5-3B)
Re
se
t
Tu
rn
on
V
cc_
BA
T
=
2.
97
V
(R
ES
ET
IP
Inpu
t
Vo
lt
ag
e
=
1.
257
V[
+36m
V,
-36m
V]
)
Tu
rn
o
ff V
cc_
BA
T
=
3.
19V
(R
ES
ET
IP
Inpu
t
Vo
lt
ag
e
=
1.
35
V[
+36m
V,
-36m
V]
)
(3
-3B)
(
3-5D)
(
4-3D)
(
5-3B)
(
4-4C)
(
1-1A)
(
5-2C)
Common Ro
und
N.M
TP
36
C308
N.
M
TP(R
)
R5
7
100
L3
0[
1608]
IC5
CX80705-13
Merlin ASIC XROM
AUX DAC
107
ARTO
41
ARTI
39
RESETIP
94
OSCI
91
OSCO
90
BATT1
96
BATT0
97
NC
99
VDDP
56
VDDP
74
VDDP
113
VSSP
7
VSSP
29
VSSP
57
VDDC
2
VDDC
32
VDDC
71
VSSC
5
VSSC
33
VSSC
70
AVDD
92
AVSS
93
AGND
95
PARKP
40
KEYPADR0
60
KEYPADR1
61
KEYPADR2
62
KEYPADR3
63
KEYPADR4
64
KEYPADR5
65
KEYPADR6
66
KEYPADR7
67
KEYPADC5
10
KEYPADC3
12
KEYPADC4
11
KEYPADC2
13
KEYPADC1
14
KEYPADC0
23
GPIOA0
123
GPIOA1
124
GPIOA2
125
GPIOA3
126
GPIOA4
127
GPIOA5
128
GPIOA6
1
GPIOA7
8
GPIOB0
38
GPIOB1
37
GPIOB2
36
GPIOB3
31
GPIOB4
30
GPIOB5
26
GPIOB6
25
GPIOB7
24
GPIOC0/SWCTL
9
MCLK/CDCMCLK
45
CDCDATAO
43
CDCDATAI
44
CDCFRAME
42
CDCICLK/ICLK
58
RESETOP/CDCPOR
59
REFOSC
89
RXIN
102
RXIP
101
RXQP
103
RXQN
104
AGC
105
TXDATA
100
TRSW
110
TXEN
108
RXEN
76
GPIOC1
75
GPIOC2
111
GPIOC3
109
GPIOC4
88
GPIOC5
87
GPIOC6
77
GPIOC7
78
AUXREF
106
DATA0
122
DATA1
121
DATA2
120
DATA3
119
DATA4
118
DATA5
117
DATA6
116
DATA7
115
ADDR0
15
ADDR1
16
ADDR2
17
ADDR3
18
ADDR4
19
ADDR5
20
ADDR6
21
ADDR7
22
ADDR8
51
ADDR9
52
ADDR10
55
ADDR11
53
ADDR12
46
ADDR13
50
ADDR14
49
ADDR15
47
WPR~3
48
RDP
54
ROMCSP
112
RAMCSP
79
HOSTCSP
83
HOSTACK
84
SYNC~3
82
NMIP
81
XCODEP
85
EMUCLK~3
80
VSSP
73
VSSP
114
VDDP
28
VDDP
6
VDDP
27
NC
98
NC
69
NC
68
NC
35
NC
34
NC
3
NC
72
NC
4
VISP~3
86
TP
32
R5
0
160k
(F
)
TP
5
R5
8
100
C2
3
N.
M
R4
8
N.M
TP
4
C3
8
8p
R5
6
100
R4
0
TP
10
C3
1
N.
M
R2
5
10k TP
35
C3
4
0.
1u
R5
5
100
R5
4
N
.M
C1
3
8p
R3
3
100
TP
3
R4
5
56k(F
)
TP
43
R4
2
120k
(F
)
TP
38
C1
4
0.
1u
TP
40
R3
4
100
R2
8
10k R3
5
62k(F
)
R5
9
N
.M
TP
44
C306 0.
1u
C2
1
8p
R6
0
100
C3
3
100p
IC9
TC
7S
Z04F
NC
1
IN
2
GND
3
OUT
4
Vcc
5
R4
3
TP
2
R3
1
22k[
1608]
C2
2
0.
1u
C3
7
0.1
u
TP
27
TP
23
C4
1
8p
C3
9
0.
1u
TP
29
R4
70
TP
19
C3
2
1000p
C305 0.01u
(K)
R221
N.
M
C3
6
0.1
u
C1
5
8p
L5 BLM
11HB102SD[1608]
C119 0.
1u
C2
4
100p
C4
2
8p
C4
3
N.
M
C1
6
0.
1u
C4
0
0.
1u
R5
1
100
C2
5
100p
R224
100
TP
15
C1
7
8p
C1
1
0.
1u
C3
13
C3
12
R5
3
100
TP(C
)
R2
9
100k
C2
7
8p
R200
100[1608]
C1
9
0.
1u
C3
11
R2
4
10k
C4
5
N.
M
TP(N
)
C2
6
0.
1u
RA
2
100
5
1
8 7 6
2 3 4
C1
8
8p
R2
3
100
C3
10
TP
33
TP(S)
RA
5
100
5
1
8 7 6
2 3 4
C2
0
0.
1u
R222 56k(F
)
R201
100[1608]
R2
2
100
RA
3
100
5
1
8 7 6
2 3 4
C2
9
8p
R9
1
R202
100[1608]
R3
0
120k
X1 Crys
tal [KSS]
4
2
1
3
TP
20
TP
22
TP
37
L6
0[
1608]
C309 N.
M.
R6
100
TP
18
TP
24
RA
4
100
5
1
8 7 6
2 3 4
C3
0
0.
1u
R4
1
N
.M
R203
100[1608]
TP
26
TP
16
R7
100
RA
1
100
5
1
8 7 6
2 3 4
C118 0.01u
(K)
TP
14
TP
28
R204
100[1608]
L4
0[
1608]
R1
4
1
00
RA
6
100
5
1
8 7 6
2 3 4
TP
30
TP
39
TP
7
R5
2
100
TP
6
TP
1
C1
2
0.
1u
TP
13
TP
25
C3
5
N
.M
TP
31
R3
2
100
C4
4
0
IC3
SST
39LF512 [S
ST]
A0
20
A1
19
A2
18
A3
17
A4
16
A5
15
A6
14
A7
13
A8
3
A9
2
A10
31
A11
1
A12
12
A13
4
A14
5
A15
11
DQ0
21
DQ1
22
DQ2
23
DQ3
25
DQ4
26
DQ5
27
DQ6
28
DQ7
29
CE#
30
OE#
32
WE#
7
NC
9
NC
10
NC
6
VSS
24
VDD
8
TP
12
R223 56k(F
)
TP
21
TP
8
IC4
S-
24
C04 [SII]
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
TEST
7
VCC
8
TP
34
TP
11
R2
7
10k
R2
0
100k
R4
9
N
.M
TP
17
R2
6
10k
TP
9
NOTE: This mark indicates a safety-critical part(s).
0
0
0