Service manual

FO-IS125N
6 – 1
FO-IS125N
Service Manual
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] Control PWB circuit
1. Main Control Block (1a/12)
Main Control Block (1/2)
A
A
B
B
C
C
D
D
6
5
4
3
2
1
SDRA1
SDRA6
SDRA3
SDRA10
SDRA5
SDRA7
SDRA12
SDRA8
SDRA11
SDRA4
SDRA0
SDRA9
SDRA2
SDRD4
SDRD5
SDRD8
SDRD0
SDRD2
SDRD9
SDRD11
SDRD7
SDRD6
SDRD12
SDRD1
SDRD13
SDRD14
SDRD10
SDRD3
SDRD15
PLLVDD
VBAT
DG
VCORE
+3.3V
DGDG
VBAT
DG
DG
DG
DG
PLLVDD
DG
DG
+3.3V
DG
SDRA[12:0]
SDRBA0
SDRBA1
nSDRCAS
SDRCLKE
nSDRRAS
nSDRWE
SDRCLK
VCTRL
CIS_CLK
RTH
PDATA
SPI_SS0
SPI_CLK
SPI_SS1
S_nH
HSYNC
nHLON
TMSTEP
MS1
MS2
nTMEN
SPMUTE
nRHS nMDMRES
nMDMINT
CI
PMCLK
SPI_MO
SPI_MI
PMD
TC/BSON
nMMEN
MCON
HVPWM
MMSTEP
FANON
nZC
nLANRES
LDEN
nLANINT
SDRLDQM
SDRUDQM
nRESET
nTCT2
nDOP
PUS
nMANRES
LEDON
DELSIG
nTCT1
nORGSNS
nFRSNS
SPI0SEL2 SPI0SEL1 SPI0SEL0
SDRD[15:0]
nLANPME
<BAT RESET-1>
<BAT RESET-2>
<for Boot ROM>
DG
+3.3V
VCORE
<TCK> <TDO> <TDI> <TMS>
C113
0.1u
R121 33
R113
0
R120 10K
C129
0.1u
A
K
R119
1M
R122 33
C142
10u (2012)
R111 2.2M
C135
0.1u
C116
0.1u
C
0.1u
C102
5
1 8
7
6
2
3
4
BR109
100x4
5
1 8
7
6
2
3
4
BR112
100x4
C106
0.1u
12
X101
24MHz
1 2
L101
0 (1608)
1 2
X100
32.768KHz
C118
0.1u
5
1 8
7
6
2
3
4
BR107
100x4
R100 100
C139
18p
R117
100K
5
1 8
7
6
2
3
4
BR104
100x4
TP111
R104 100
TP112
5
1 8
7
6
2
3
4
BR110
100x4
R102 100
TP116
TP117
TP110
C133 0.1u
R116 2.2K
R125
0
C107
0.1u
AK
D100
0 (RB751S-40)
R106 100
C136
0.1u
TP113
C105
0.1u
C126
10p
R124
1.2K
C130 0.1u
C121
8p
R115
0
C103
0.1u
C143
1000p
B
C E
Q100
2SA2059
TP107
5
1 8
7
6
2
3
4
BR102
100x4
R123 33
C109
0.1u
C115
0.1u
TP109
5
1
8 7 6
2 3 4
BR100
100x4
C100
470p
C
0
C127
0.1u
C110
0.1u
C138
N.M. (2012)
5
1 8
7
6
2
3
4
BR111
100x4
C104
0.1u
TP114
C137
1000p
R1
A
K
C140
22p
C128
0.1u
C134
10u (2012)
C120
0.1u
C141
N.M.
TP115
PLL_VSS
3
PLL_VDD
4
XIN/EXTCLK
5
XOUT
6
JTAG_CPU_TCK
7
JATG_CPU_TDI
8
JATG_CPU_TDO
9
JTAG_CPU_TMS
10
TEST_MODE/RCOSC
12
GPIO[0]
13
GPIO[1]
14
GPIO[2]
15
VDD
16
RESETn
11
VSS
17
VDDO
18
GPIO[3]
19
GPIO[4]
20
GPIO[5]
21
GPIO[6]
22
GPIO[7]
23
VDD
24
VSS
25
GPIO[8]
26
GPIO[9]
27
GPIO[10]
28
GPIO[11]
29
GPIO[12]
30
VDD
31
VSS
32
VDDO
33
GPIO[13]
34
GPIO[14]
35
GPIO[15]
36
GPIO[16]
37
GPIO[17]
38
ADC_VSS
39
MADC_IN[0]
40
MADC_IN[1]
41
MADC_IN[2]
42
MADC_IN[3]
43
ADC VDDO
44
GPIO[46]
89
GPIO[47]
90
GPIO[48]
91
GPIO[49]
92
GPIO[50]
93
GPIO[51]
94
GPIO[52]
95
VDDO
96
VSS
97
VDD
98
GPIO[53]
99
GPIO[54]
100
GPIO[55]
101
GPIO[56]
102
GPIO[57]
103
GPIO[58]
104
GPIO[59]
105
GPIO[60]
106
GPIO[61]
107
GPIO[62]
108
GPIO[63]
109
GPIO[64]
110
GPIO[65]
111
VDDO
112
VSS
113
VDD
114
GPIO[66]
115
GPIO[67]
116
GPIO[68]
117
GPIO[69]
118
GPIO[70]
119
GPIO[71]
120
DQ[0]
121
DQ[1]
122
DQ[2]
123
DQ[3]
124
VDDO
125
VSS
126
DQ[5]
129
DQ[15]
132
DQ[14]
133
DQ[13]
134
DQ[12]
135
DQ[11]
136
DQ[10]
137
VDDO
138
VSS
139
VDD
140
DQ[9]
141
DQ[8]
142
DQM[1]
143
DQM[0]
144
SDRAM_CLK
145
VDD
146
VSS
147
CKE
148
WEn
149
CASn
150
RASn
151
BA[0]
152
BA[1]
153
VDD
154
VSS
155
VDDO
156
ADDR[0]
157
ADDR[1]
158
ADDR[2]
159
ADDR[3]
160
ADDR[12]
161
ADDR[11]
162
ADDR[10]
163
VDD
164
VSS
165
VDDO
166
ADDR[9]
167
ADDR[8]
168
ADDR[7]
169
ADDR[6]
170
ADDR[5]
171
ADDR[4]
172
RTC_VDDO
173
RTC_VSS
174
RTC_XIN
175
RTC_XOUT
176
BATRSTn
2
PWRDWNn
1
VDD
127
DQ[4]
128
DQ[6]
130
DQ[7]
131
IC100
CX95410-12Z
FAX ENGINE
R101 0
TP108
C122
1u (1608)
5
1
8 7 6
2 3 4
BR101
100x4
(2-6D)
(2-4H)
(2-4H)
(2-4D)
(2-4H)
(2-4D)
(2-4D)
(2-4D)
(2-4D)
(2-4D)
(2-6D)
(1-3G)
(3-5G) (4-2F) (9-5C) (3-2A) (5-5A)
(4-2B)
(4-2B)
(5-4F) (3-2A) (4-2B) (5-5A) (4-4F) (6-3B) (6-3B) (6-3B) (6-3B) (6-5A) (7-2H)
(4-6A)
(5-1B)
(5-2B)
(2-1G,5-5A,6-3B)
(8-2E)
(8-2E)
(8-4H)
(3-4A)
(3-6A)
(10-1F)
(12-1F)
(3-5A) (10-3B) (10-4A) (10-3B) (3-3A) (2-2B) (2-1B)
(2-1B)
(10-3E) (7-2G) (7-2B) (10-4B) (2-1A,2-6A) (2-6D,10-4B)
(2-6A,10-4B)
(2-5D,10-4B)