Sharp FO 4400 - B/W Laser - All-in-One Service Manual Page 117
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FO-4400U
FO-CS1
( 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)
( 4-4A)(12-3E)
( 2-4A)( 3-3A)
( 4-4A)(12-3I)
( 2-4A)( 3-3A)
( 2-4A)
( 2-5A)
( 3-2F)
( 3-2E)
( 3-2E)
( 3-2E)
( 3-2E)
( 3-2E)
( 3-3E)
( 9-5B)
( 9-5B)
( 9-5D)
A3
A5
A1
A4
A2
D5
D6
D0
D3
D2
D7
D1
D4
1
2
1
2
1
2
1
2
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
1
2
VDD
16
VEE
7
VSS
8
INH
6
1
2
1
2
C365 0.1u
C322
0.1u
R580 56K
C72
N.M.
R510 68
C384 330p
TP202
R432 62K
C390 0.1u
R457 68
C369
0.1u/16V-K
CE13
22u/16V
Q115
KRC106S
B
E
C
D105
1SS355
C64
N.M.
R578 10K
R468
20K
R470
1K
R430
N.M.
R506
10K
R431
N.M.
ZD1
02DZ6.8-Y
R503 10K
C330
0.1u/16V-K
R572
3K
TP200
C59
N.M.
C400
0 (1608/2012)
C360
2200p
C391
0.1u
Q114
KRC106S
B
E
C
C61
N.M.
R508 100
C319
56p
R462
2.2K
Q113
N.M.(KRC102S)
B
E
C
IC31A
74LV4053A
C
0
1
C60
N.M.
C385
1000p
C328
0.1u
R571 150K
IC31B
74LV4053A
C
1
0
CE19
47u/16V
L102
0 (1608/2125)
CE26
100u/16V
R512 1K
R581
10K
C327
0.1u/16V-K
TP194
TP197
R469
33K
IC36
NJM2113M
-
+
TP193
Q116
KRC106S
B
E
C
CE14
22u/16V
C299
N.M.
C395
0.1u
C321 0.1u
C362 0.1u
R582
3.3K
C63
R459 0
IC30
MODEM
FM336Plus
R507 100
R511
10K
CE17
4.7u/25V
C62
N.M.
R570
100K
C364
0.1u
R464
10K
C396 0.1u/16V-K
C331
0.1u/16V-K
C326
N.M.
C397
0.1u/50V
IC32B
NJM2904M
+
-
R465
10K
C399 470p
C398
330p
C367
N.M.
CE22
10u/16V
C300
0.1u/16V-KX5
28.2240MHz
R461 20K
IC31C
74LV4053A
C
1
0
R513
C318 0.1u
C324
N.M.
R564
0 (1608)
Q112
KRC106S
B
E
C
IC31D
74LV4053A
C389 0.1u
C366 0.1u/16V-K
CE12
10u/16V
C325
1000p
TP192
TP198
C368
0
C363 0.1u
R509
10K
R569
0 (1608)
TP195
R455 10
CE24
10u/16V
C359 0.1u
R579 0
R460
10K
R471
1K
L103
10 (1608/2125)
C329
N.M.
TP196
R467
470
R514
44.2K-F
CE18
1u/50V
R466
N.M.
TP201
R576
22K
C323 0.01u-K
C333
0.1u
R573 0
R577
44.2K-F
C402
N.M.
R458 0
C358 0.1u
R504
0
CE15
10u/16V
R515
3.3K
IC32A
NJM2904M
+
-
C332
1u
C320 7p
TP199
R613
10K
R463 20K
C386
0.1u
C392
0.1u
C361
2200p
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
DG
DG
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
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
Modem block 5/12
6 – 8
- SERVICE MANUAL 1
- FACSIMILE 1
- CONTENTS 2
- [1] Specifications 4
- [2] Life of consumable 4
- [3] Operation panel 5
- [4] Transmittable documents 6
- [5] Installation 7
- Attach a letter or 9
- SPEED DIAL 14
- CHAPTER 2. ADJUSTMENTS 15
- MEMORY CLEAR ? 16
- S W 0 1 = 0 0 0 0 0 0 0 0 17
- Soft switch mode screen 17
- PANEL CHECK MODE 18
- ALL KEY OK !! 18
- : Speed dial number 19
- HHHHHHHHHHHHHHHHHHHH 20
- • Blank paper aging mode 21
- 4. Soft switch description 24
- • Soft switch 24
- [3] Troubleshooting 49
- [4] Error code table 50
- 2. Service call error massage 51
- Super G3 mode 51
- [1] Mechanical description 53
- [2] Printer description 54
- 8. LASER EXPOSURE 57
- 9. DEVELOPMENT 57
- 9-1. Overview 57
- Temperature (°C) 58
- 12. PRINT SEQUENCE 59
- 13. Timing chart 60
- 13-1. Print Starting 60
- 13-2. Print Ending 60
- 2 Rear cabinet 62
- PWB plate, Right cabinet 63
- 4 PWB unit 64
- Inner left cabinet unit 67
- 9 Power supply PWB 68
- Scanner frame unit (1/2) 69
- Scanner frame unit (2/2) 70
- Document guide upper unit 71
- Operation panel unit 71
- 13 Upper cover 72
- Wire treatment 73
- High voltage PWB unit (HV1) 74
- Main motor (M1) 75
- Fusing unit (1/2) 77
- Heater Lamp 78
- Voltage Mark 78
- Paper cassette (FO-CS1) 79
- Cassette case unit 80
- Drive system unit (FO-CS1) 81
- Cassette cabinet (FO-CS1) 82
- Cassette case (1/2) (FO-CS1) 83
- Cassette case (2/2) (FO-CS1) 84
- (FO-45VS) 85
- CHAPTER 4. DIAGRAMS 87
- [1] Circuit description 91
- FO-4400U 100
- (3) Modem block 101
- (2) Backup memory block 101
- 0 I1 Output Current 104
- E) = IOUT 104
- E) = IOUT x 2/3 104
- E) = IOUT x 1/3 104
- 2. Waveforms 105
- CPU block 110
- MAIN CPU 111
- HD6417706F133 111
- Main ASIC block 112
- IC5 SDRAM 113
- MT48LC4M16A2TG-75/ 113
- W986416DH-7 113
- Sub ASIC block 114
- R284 10K 115
- Memory block 4/12 116
- Modem block 5/12 117
- LCD controller block 7/12 119
- Connector block 1 9/12 121
- Connector block 2 10/12 122
- Connector block 3 11/12 123
- Connector block 4 12/12 124
- [2] LIU PWB circuit 1/1 127
- M38079EFFS_12MHZ 130
- Printer PWB circuit 2/2 131
- HEATER ON 134
- HEATER-RELAY OFF 134
- INTERLOCK 134
- Power Supply PWB parts layout 135
- Joint PWB 138
- No. DESCRIPTION PARTS CODE 139
- C LED PWB unit DCEKP425CXHI1 139
- [1] G3 Protocol 144
- [2] Super G3 Protocol 145
- [3] Power On Sequence 146
- CHAPTER 8. OTHERS 147
- Fig. 5 Connected cable 149
- FO-4400 PC 150
- PARTS GUIDE 151
- [5] Document guide upper unit 156
- [4] Operation panel unit 156
- [10] Drive/Transfer unit 162
- PARTS CODE 163
- DESCRIPTION 163
- I n d e x 183
- © 2002 BY SHARP CORPORATION 190
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