Service manual

AL-1661CS CIRCUIT DIAGRAM 13 - 30
8 7 6 5 4 3 2
8
7 6 5 4 3 2
D C
B A
D C
B A
FAX MAIN PWB (MCU I/F) 6/6
MCU_D2 MCU_D3 MCU_D4 MCU_D6 MCU_D7 MCU_D1 MCU_D5 MCU_D0
PB_D2 PB_D5 PB_D4 PB_D7 PB_D3 PB_D6 PB_D0 PB_D1
PB_A7 PB_A6 PB_A5 PB_A3 PB_A4 PB_A2 PB_A1 PB_A0
MCU_OEL MCU_CEL MCU_INT
MCU_D[7:0]
PB_D[7:0] PB_A[7:0]
PB_WEL PB_CS1L MDM_IRQ PB_AE0L RESETL PB_OEL
GND
+3.3V+5V+24V
GND
PG
GND
GND
GND
GND
GND
GND PG
GND
GND
IN5V IN3.3V
GND
IN3.3VIN5V
C1052 33pF
C1057 33pF
R1061 0R
FB9 MNR04 33
1 2 3 4 5
6 7 8
C1046 10p/50V(N.M.)
C1038 10p/50V(N.M.)
C1040 10p/50V(N.M.)
C1037 10p/50V(N.M.)
FB8 MNR04 100
1 2 3 4 5
6 7 8
TP3.3V LC3S-Y(N.M.)
R63 33
C1039 10p/50V(N.M.)
C1041 10p/50V(N.M.)
C1042 10p/50V(N.M.)
+
C60
A47u/25V
C43
F0.1u/16V
FB11 MNR04 33
1 2 3 4 5
6 7 8
FL15
ZJSR5101(22000p)
C58
F0.1u/16V
CN2
26F-E-BT-VK-N
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
CN3
20FE-BT-VK-N
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20
BR19
MNR04 0
1 2 3 4 5
6 7 8
BR20 MNR04 0
1 2 3 4 5
6 7 8
CN5
B4B-PH-K-S(N.M.)
1 2 3 4
R1064 0R
FB5 MNR04 0R
1 2 3 4 5
6 7 8
FL17
ZJSR5101(22000p)
C57
1000p(N.M.)
FL16
ZJSR5101(22000p)
R1085 0R
C1062 33pF
C1063 33pF
C1064 33pF
C1066 33pF
C1067 33pF
C1047 10p/50V(N.M.)
C1068 33pF
+
C59
A47u/25V
C1069 33pF
R1116 0R (1608 N.M.)
C1065 33pF
FB12 MNR04 100
1 2 3 4 5
6 7 8
+
C61
A47u/35V
BR21 MNR04 33
1 2 3 4 5
6 7 8
FB6 MNR04 33
1 2 3 4 5
6 7 8
C1059 100pF
C1058 33pF
C1056 33pF
R69 0R
C66 10p/50V
C1036 10p/50V
R70 0R
C1061 33pF
C1045 10p/50V
C67 100pF
C1035 10p/50V
TP5V LC3S-Y(N.M.)
TP24V LC3S-Y(N.M.)
C1055 33pF
C1050 33pF
FB10 MNR04 33
1 2 3 4 5
6 7 8
C1051 33pF
FB7 MNR04 47
1 2 3 4 5
6 7 8
C1060 33pF
C1054 33pF
C1053 33pF