Read Sharp AM-300 (serv.man4) Service Manual online
AM-300DE
6 – 6
6. Speaker Block (5/10)
Speaker
Block
5/10
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
6
6
5
5
4
4
3
3
2
2
1
1
PB_DATA7
PB_DATA5
PB_DATA3
PB_DATA6
PB_DATA2
PB_DATA0
PB_DATA4
PB_DATA1
PB_ADDR2 PB_ADDR3 PB_ADDR4
PB_ADDR1
PB_ADDR0
MAG
+5V
+3.3V
+5VA
+3.3V
+5VA
+5V
+5V
+5
VA
MAG
MAG
+5V
MAG
+5VA
+3.3V
MAG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
+3.3V
+5V
DG
DG
DG
+24VH
+24VH
DG
DG
DG
+3.3V
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
+3.3V
DG
VOLA
TXOUT
/CI
RXIN
/SPMUTE
GAINC
VOLB
VOLC
EXTSIG
PB_DATA[7:0]
/PB_WE
/PB_OE
/MODEM_CS
MODEM_INT
/MODEM_RESET
PB_ADDR[4:0]
DP
ON
TXOUT
RXIN
CML
DPMUTE
EXTSIG
ERLY
/CI
TXMUTE
/EXHS
SP-
SP+
BZOUT
BZCONT
SP+
SP-
C176 N.M.
6
1
4
3
C
1
0
IC16A N.M.
R231 N.M.
C129
330P
R188
0
C152 N.M.
C110 N.M.
C161
N.M.(1608)
R202
N.M.
R191
0
C151 N.M.
R201
N.M.
R219
N.M.
C165 N.M.
R178
3K
C136
0.1U
C135
0.1U/10V-K
1
2
C187 N.M.
R192
N.M.
R204 N.M.
C181 N.M.
C180 N.M.
C132
N.M.
R200
N.M.
C190
1000P
TP36
C159
N
.M.
C156 1000P
C131
0.1U
C137
0.1U
R221
0
C140
0.1U
R207 N.
M.
R195 N.M.
R184
N
.M.
C189 N.M.
C130
0.1U
C158
N.M.
C153 0.1U
R464
N
.M.
C111 N.M.
R220
N.M.
TP40
C168 N.M.
R132
0
L4 N.M.
R182
0
C182
N.M.(1608)
C162
N.M.(1608)
R186 N.M.
C183
N.M.
C128 N.M.
B
E
C
Q9
RT1N436C
R210
N.M.
R216
N.M.
R218
N.M.
R206
N.M.
C157
N.M.
R222
0
C177
N.M.
7
6
5
4
8
IC19B
N.M.
+
-
12
L5 N.M.
VDD
38
VDD
50
VGG
71
VDD1
69
VDD1
63
VDD1
13
VDD1
57
VDD1
84
VDD1
92
MAVDD
26
VCORE
62
D0
87
D1
88
D2
89
D3
90
D4
91
D5
93
D6
94
D7
95
RS0
96
RS1
97
RS2
2
RS3
3
RS4
4
RD
7
WR
6
CS
5
SR4IN
21
M_RXOUT
46
IRQ
79
N.C.
17
N.C.
20
N.C.
39
N.C.
41
N.C.
48
POR
34
RESET
18
N.C.
54
N.C.
55
N.C.
60
SR4OUT
19
M_TXSIN
44
M_CLKIN
43
CLK_OUT
22
XTALI
85
XTALO
86
VSUB
52
VSS
16
VSS
53
VSS
65
VSS
80
VSS
99
RESERVED
1
TALK
37
RI
76
OH
49
RINGD
77
SPKR
27
TXD
11
RXD
67
RTS
78
CTS
12
RLSD
9
DTR
68
DSR
75
XTCLK
64
TDCLK
10
RESERVED
35
RESERVED
36
RESERVED
40
M_CNTRL_SIN
42
SR1IO
61
SLEEP
56
IA_SLEEP
70
M_STROBE
47
EYESYNC
23
EYECLK
24
M_SCK
45
EYEXY
74
GP00
81
RDCLK
8
YCLK
72
XCLK
73
TXA2
28
TXA1
29
RIN
32
VREF
30
VC
31
RESERVED
14
RESERVED
15
RESERVED
58
RESERVED
59
RESERVED
66
RESERVED
82
RESERVED
83
RESERVED
51
MAVSS
33
MAVSS
25
PLL_VDD
98
PLL_GND
100
IC18 N.M.
R185 10K
C149
22U/50V
C167 N.M.
TP47
6
1
4
3
C
1
0
IC20A
N.M.
C170
N.M.
(1608)
C186 N.M.
C146 N.M.
C171 N.M.
C166 N.M.
C133
0.1U
C142 0.1U
R181
0
TP46
C112 N.M.
C184
N.M.(1608)
SP+
1
SP-
2
CNSP
CNSP
A2001WV2-2PE
RXIN
1
TXOUT
2
CI
3
EXHS
4
DPON
5
CML
6
+5V
7
DG
8
+24VA
9
E-RLY
10
DPMUTE
11
EXTSIG
12
CNLIU
CNLIU
N.M.
C113 N.M.
C150 0.1U
R229 N.M.
5
4
3
2
17
8
6
IC17
NJM2113M
-
+
C173
N.M.
R174
N
.M
.
TP30
1
2
C143
47U/16V
R179
0
R187 N.M.
R176
150K
R197
20K
R189 4.7K
C147 N.M.
C134
0.1U/10V-K
TP49
1
2
C169 N.M.
D11 N.M.
TP39
R230 N.M.
1
2
C144
4.7U/25V
B
E
C
Q12 N.M.
R228 N.M.
C139
0.1U
R225
0
R190
N.M.
C141
0.1U
R196 N.M.
C155
0.01U-K
C160 N.M.
12
F4 N.M.
C188 0.1U
R205
N.M.
X4 N.M.
B
E
C
Q10 N.M.
R177 20K
C185 N.M.
R217 N.M.
VDD
5
GND
2
IC16B
N.M.
R227
100
C172 N.M.
TP41
TP44
R215
N.M.
C179 N.M.
A
K
D12 N.M.
R194 N.M.
R226 10K
VDD
5
GND
2
IC20B
N.M.
B
E
C
Q11 N.M.
C154 N.M.
R133
0
B
E
C
Q13 N.M.
R211
N.M.
R214 N.M.
TP42
R224
0
R199 620
C178
N.M.(1608)
TP48
C164 N.M.
R183
0
C175
N.M.(1608)
C138
0.1U
R212
N.M.
C174 N.M.
R180 470
R223 N.M.
TP45
TP34
1
2
3
-
IC19A N.M.
+
R213
N.M.
R209
N.M.
C148 1000P
R175 100K
TP43
R208 N.M.
R193 N.M.
1
2
C145
1U/50V
R198
5.6K
(1-C6)
(1-C6)
(1-C6)
(1-C5) (1-C5)
(1-B5)
(1-B5)(3-F1)
(1-C6)
(1-C6)
(1-C6)
(1-C6)
(5-H3)
(5-H4)
(5-H3)
(5-H6)
(3-B1)
(5-I6)
(5-I6)
(1-C6)
(1-C6)
(1-C6)
(1-C6)
(1-C6)
(1-C3)
(5-F1)
(5-F1)
(5-B2)
(1-C3)
(1-C3)
(5-B2)
(5-B2)
(5-B1)
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