Service manual

FO-DC600U
A A
B B
C C
D D
E E
F F
G G
H H
6 6 5 5 4 4 3 3 2 2 1 1
A3
A5
A1
A4
A2
D5
D6
D0
D3
D2
D7
D1
D4
DG
DG
DG
DG
DG
DG
DG
+3.3V
DG
DG
+5V
DG
DG
DG
MAG
+3.3V
+5VA
MAG
DG
+5V
DG
+5V
DG
DG
+24VA
DG
DG
+3.3V
DG
DG
DG
DG
DG
DG
DG
+5VA
DG
+5VA
DG
DG DG
+3.3V
DG
+5VA
DG
DG
+5V
DG
DG
DG
DG
DG
MAG
MAGMAG
DGDG
EXTSIG
/IORD
VOLA
VOLB
VOLC
D[31:0]
/MDMRST0
BZCONT
/IOWR
SP+
RXIN
GAINC0
SP-
MDMINT0
A[25:0]
MONSEL
TXOUT
BZOUT
TXMUTE0
/MDMCS0
/SPMUTE
/CI
SPKR2
( 3-3E)
( 9-3D)
( 9-4D)
(12-3E)
( 3-3E)
( 3-2E)
( 9-4D)
( 1-6H)( 2-1A)
( 3-1A)( 4-6A)
( 7-5C)(11-6A)
(12-2F)
( 1-6H)( 2-2A)
( 3-2A)( 4-6A)
( 7-4C)(11-6A)
(12-4D)(12-2D)
( 2-4A)( 3-3A)
( 4-4A)(12-3E)
( 4-4A)(12-3I)
( 2-4A)( 3-3A)
( 2-4A)
( 2-5A)
( 3-2F)
( 3-2E)
( 3-2E)
( 3-2E)
( 3-3E)
( 3-3E)
( 3-3E)
( 9-5B)
( 9-5B)
( 9-5D)
C365 0.1u
C322
0.1u
R580 56K
R510 68
C384 330p
R432 62K
TP202
C390 0.1u
R457 68
C369
0.1u/16V-K
B
E
C
Q115
KRC106S
CE13
22u/16V
D105
1SS355
AK
C64
R578 10K
R470
1K
R468
20K
R430
N.M.
R506
10K
R431
C330
0.1u/16V-K
R503 10K
R572
3K
TP200
C59
N.M.
C360
2200p
C400
0 (1608/2012)
C391
0.1u
B
E
C
Q114
KRC106S
R508 100
C61
N.M.
R462
2.2K
C319
56p
B
E
C
Q113
C
0
1
IC31A
74LV4053A
11
12
13
14
C385
1000p
C60
N.M.
C
1
0
IC31B
74LV4053A
10
2
1
15
R571 150K
C328
0.1u
L102
0 (1608/2125)
12
CE19
47u/16V
12
CE26
100u/16V
12
R512 1K
C327
0.1u/16V-K
R581
10K
TP197
TP194
R469
33K
-
+
IC36
NJM2113M
5
4
3
2
178
6
TP193
CE14
22u/16V
12
B
E
C
Q116
KRC106S
C299
N.M.
C395
0.1u
C321 0.1u
R582
3.3K
C362 0.1u
R459 0
C63
N.M.
IC30
MODEM
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
NC
17
NC
20
NC
39
NC
41
NC
48
POR
34
RESET
18
NC
54
NC
55
NC
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
R507 100
CE17
4.7u/25V
12
R511
10K
R570
100K
C62
N.M.
C364
0.1u
R464
10K
C331
0.1u/16V-K
C396 0.1u/16V-K
C326
N.M.
C397
0.1u/50V
+
-
IC32B
NJM2904M
7
6
5
4
8
C399 470p
R465
10K
C398
330p
C367 N.M.
CE22
10u/16V
X5
28.2240MHz
C300
0.1u/16V-K
C
1
0
IC31C
74LV4053A
9
5
3
4
R461 20K
R513
C318 0.1u
R564
0 (1608/2125)
C324
N.M.
ZD1
02DZ6.8-Y
IC31D
74LV4053A
VDD
16
VEE
7
VSS
8
INH
6
B
E
C
Q112
KRC106S
C389 0.1u
C366 0.1u/16V-K
C325
1000p
CE12
10u/16V
TP192
TP198
C368
0
R509
10K
C363 0.1u
R569
0 (1608/2125)
TP195
R455 10
C359 0.1u
CE24
10u/16V
R579 0
R460
10K
L103
10 (1608/2125)
R471
1K
N.M.
TP196
R467
470
CE18
1u/50V
12
R514
44.2K-F
R466
TP201
R576
22K
C333
0.1u
C323 0.01u-K
R573 0
R577
44.2K-F
C402
N.M.
C358 0.1u
R458 0
R504
0
CE15
10u/16V
12
R515
3.3K
C72
N.M.
C332
1u
+
-
IC32A
NJM2904M
1
2
3
C320 7p
TP199
R463 20K
R613
10K
C392
0.1u
C386
0.1u
C361
2200p
FM336Plus
C329
Modem block 5/12
6 – 8