Service manual
AL-1661CS CIRCUIT DIAGRAM 13 - 29
8 7 6 5 4 3 2 1
8
7 6 5 4 3 2 1
D
C
B
A
D
C
B
A
FAX MAIN PWB (ASIC_NEW_CILF) 5/6
A2
A1
A0
A3
A5
A6
A7
A4
A8
A9
A12
A14
A16
A17
A13
D1
D3
D5
D7
A19
A20
D4
MCU_D0
MCU_D7
MCU_D6
MCU_D5
MCU_D3
MCU_D2
MCU_D1
PB_AE0L
PB_WEL
PB_OEL
D7
PB_D7
PB_D3
PB_D2
PB_D0
D1
D4
D5
A13
A10
A9
A8
A7
A5
A4
A2
A1
A15
A16
A19
A20
A14
RESETL
WEL
CS_S0L
CS_ML
CS_FL
CS_OP1L
CS_OP2L
OEL
F_RYBY
M_RESETL
SPMUTE
VOL_B
VOL_A
VOLCNT_B
VOLCNT_A
VOL_C
MCU_D0
MCU_D2
MCU_INT
MCU_D7
MCU_OEL
MCU_CEL
PB_A5
PB_A2
PB_CS1L
PB_A0
PB_A7
PB_A1
PB_D6
PB_D5
PB_D4
PB_D1
PB_A6
PB_A4
PB_A3
D6
D3
D2
D0
A21
A18
A17
A12
A11
A6
A3
A0
MCU_D6
MCU_D5
MCU_D4
MCU_D3
MCU_D1
HS1L
HS2L
WAKE_UP
CLKIN
PB_D7
PB_D6
PB_D5
PB_D4
PB_D3
PB_D2
PB_D1
PB_D0
D6
A11
A10
MCU_D4
A15
A18
D2
A21
D0
M_RESETL
RESETL
HS2L
PB_A3
HS1L
PB_A6
CS_OP1L
WAKE_UP
PB_A4
PB_A7
PB_A1
PB_A0
PB_A2
CS_OP2L
PB_A5
A[21:0]
PB_A[7:0]
MCU_D[7:0]
EXHKD_L
F_RYBY
VOL_C
VOL_B
VOLCNT_A
BZ
OEL
WEL
MCU_CEL
MCU_OEL
RGDT-
CS_ML
CID_L
EXHKD_L
MCU_INT
CLKIN
PB_D[7:0]
L_BT-
C_BT
CS_S0L
RTC_CE0H
VOLCNT_B
WEL
PB_AE0L
SPMUTE
RTC_CLK
PB_OEL
RESETL
VOL_A
RTC_DATA
M_RESETL
PB_CS1L
CS_FL
PB_WEL
CID_L
D[7:0]
F_WP
S
GND
+3.3V
GND
GND
GND
+3.3V
GND
GND
GND
GND
GND
+3.3V
+3.3V
+3.3V
+3.3V
GND
+3.3V
GND
+3.3V
GND+3.3V
GND GND GND
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
GND
GND
GND
GND
GND
GND
+3.3V
GND
FL21 (N.M.)
IC8
P2782A-08SR (N.M.)
1
2
3
4 5
6
7
8
Xin
Xout
S1
LF VSS
FSOUT
S0
VDD
FL14 (N.M.)
FL20 (N.M.)
BR17
MNR04 47
1
2
3
4 5
6
7
8
uPD65944GM-P07-JED-A
IC13
90
13
2
4
6
11
9
23
19
15
1
3
5
7
10
12
14
16
24
25
91
92
93
94
95
74
96
17
18
20
21
22
8
26
27
28
29
30
31
32
33
34
35
36
37
38
39
42
43
44
45
46
47
48
49
50
51
52
53
72
71
70
69
68
54
55
56
57
58
59
60
61
62
63
64
65
66
67
73
75
76
77
78
79
80 81
82
85
86
87
88
89
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
123
120
121
122
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
41
40
84
83
FAX_DATA_05
PB_ADDR_03
PB_DAT_05
PB_DAT_03
PB_DAT_01
PB_ADDR_05
PB_ADDR_07
PB_OE_N
PB_AE0_N
PB_ADDR_01
VDD
PB_DAT_04
PB_DAT_02
PB_DAT_00
PB_ADDR_06
PB_ADDR_04
PB_ADDR_02
PB_ADDR_00
RESET_N
WAKE_UP
FAX_DATA_04
FAX_DATA_03
FAX_DATA_02
FAX_DATA_01
FAX_DATA_00
FAX_DATA_06
FAXADD_00
PB_CE2_N
PB_CE1_N
VDD
GND
PB_WR_N
TESTMODE0
FGPI_07
FGPI_06
FGPI_05
FGPI_04
FGPI_03
FGPI_02
FGPI_01
FGPI_00
FGPIO_07
FGPIO_06
FGPIO_05
FGPIO_04
TCK
TRST
GND
TMS
NC
TDI
TDO
FGPIO_03
FGPIO_02
FGPIO_01
FGPIO_00
TELELIN
BEEP_O_V1
BEEP_O_V2
FGPO_00
FGPO_01
FGPO_02
FGPO_03
FGPO_04
FGPO_15
FGPO_14
FGPO_13
FGPO_12
GND
FGPO_11
FGPO_10
FGPO_09
FGPO_08
GND
VDD
FGPO_07
FGPO_06
FGPO_05
FAX_DATA_07
VDD
GND
XIN
XOUT
GND
GND VDD
CLKSEL
TMD1
TMD2
TESTB
TOUT
TMD0_OUT
FAXADD_01
FAXADD_02
FAXADD_03
VDD
GND
FAXADD_04
FAXADD_05
FAXADD_06
FAXADD_07
FAXADD_08
FAXADD_09
FAXADD_10
FAXADD_11
FAXADD_12
FAXADD_13
GND
FAXADD_14
FAXADD_15
FAXADD_16
FAXADD_17
FAXADD_18
FAXADD_19
FAXADD_20
FAXADD_21
VDD
GND
GND
FAXWR_N
FAXOE_N
FAXCS_N_05
FAXCS_N_04
FAXCS_N_03
FAXCS_N_02
FAXCS_N_01
FAXCS_N_00
RTC_SDATA
RTC_SCLK
RTC_CE
RTC_ION
UART_SIN
UART_SOUT
UART_CTS
UART_RTS
FAXWRIN_N
GND
VDD
CPU_DT_07
CPU_DT_06
CPU_DT_05
CPU_DT_04
GND
CPU_DT_03
CPU_DT_02
CPU_DT_01
CPU_DT_00
GND
VDD
CPU_RD_N
CPU_CS_N
CPU_INT_N
PB_DAT_07
PB_DAT_06
GND
GND
GND
VDD
TMD0
SYSCLK_IN
BR18
MNR04 47
1
2
3
4 5
6
7
8
+
C68
A47u/25V
R1113 10K
BR15
MNR04 100
1
2
3
4 5
6
7
8
C1049
0R
BR5
MNR04 (N.M.)
1
2
3
4 5
6
7
8
R1093
10K
BR6
MNR04 (N.M.)
1
2
3
4 5
6
7
8
BR12
MNR04 100
1
2
3
4 5
6
7
8
R1096
1k
FL13 (N.M.)
JP2
T2B-SQ
BR13
MNR04 100
1
2
3
4 5
6
7
8
R1073 10K
C30
270pF(N.M.)
R1095 0R
R1077 10K
R32 0R
R71 10K
R1074 10K
+
C70
A47u/25V
R1078 10K
BR26
MNR04 10K
1
2
3
4 5
6
7
8
R1082 22K
BR14
MNR04 100
1
2
3
4 5
6
7
8
R1088 22K
R1083 22K
R72 22K
FL19 (N.M.)
R1089 22K
C1048
100pF
BR30
MNR14 10K
1
2
3
4 5
6
7
8
FL18 (N.M.)
FL22 (N.M.)
R1112 10K
FL25 (N.M.)
BR28
MNR04 100
1
2
3
4 5
6
7
8
BR27
MNR04 10K
1
2
3
4 5
6
7
8
R1066 100
BR4
MNR04 0R
1
2
3
4 5
6
7
8
R1104 100
R54 100
R1069 100
C1044
18pF
R68 10k C1033
18pF
R31 510 (N.M.)
R53 0R
C1043
18pF
R1092 10K
R1076 22K(N.M.)
R64 100
R65 100
R1108 10K
BR16
MNR04 100
1
2
3
4 5
6
7
8
R67 100
R1102 10K(N.M.) R66 100
R1070 10K(N.M.)
R1075 10K
FL23 (N.M.)
R1068 10K(N.M.)
R1067 10K
R1072 10K
R1094 0R
R1062 10K
R1079 10K
C29
F0.1u/16V (N.M)
R1091
10K
R1101 10K(N.M.)
R1097 10K(N.M.)
R1090
10K(N.M.)
R1100 10K(N.M.)
R1098 10K(N.M.)
C44
F0.1u/16V (N.M.)
R1099 10K(N.M.)
R1103 10K(N.M.)
R60 100
R1065 22K
R1087 10K
R1081 22K
R61 10K
BR7
MNR04 10K
1
2
3
4 5
6
7
8
R1106 10K
R1086 22K
R1107 10k
BR8
MNR04 10K
1
2
3
4 5
6
7
8
BR23
MNR04 22K
1
2
3
4 5
6
7
8
R1111 10K
R1115 10K
R62 10K
R1114 10K
R1084 10k
R1109 10K
BR9
MNR04 10K
1
2
3
4 5
6
7
8
BR24
MNR04 iN.M.)
1
2
3
4 5
6
7
8
BR29
MNR14 10K
1
2
3
4 5
6
7
8
R1071
10K(N.M.)
R1110 10K
BR10
MNR04 10K
1
2
3
4 5
6
7
8
BR25
MNR04 iN.M.)
1
2
3
4 5
6
7
8
BR11
MNR04 10K
1
2
3
4 5
6
7
8
R1105 10K
C73
F0.1u/16V
R1080 22K(N.M.)
C56
F0.1u/16V
C64
F0.1u/16V
C71
F0.1u/16V
C69
F0.1u/16V
C55
F0.1u/16V
BR3
MNR04 0R
1
2
3
4 5
6
7
8
C72
F0.1u/16V
C63
F0.1u/16V
BR22
MNR04 22K
1
2
3
4 5
6
7
8
D6
DA204U
FL24 (N.M.)
C65
F0.1u/16V
C62
F0.1u/16V
R52 0R(N.M.)