Sharp AR-C240P Specifications Page 13
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- Table of contents
- TROUBLESHOOTING
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2.1 Main Board (TIG PWB)
Figure 2-2 provides the block diagram of the main control board (TIG PWB).
Figure 2-2
3
PU-CU
200
pin
C2516
EEPROM
Video Data K, Y, M, C
Video I/F From PU
PU-CU I/F To C2 LSI
to PU PU-CU Command I/F
to PU Panel I/F
A [31:0]
SUB Bus A/D [31:0], Cont
[15:0]
SPD
[2]
[1]
[0]
SUB Bus
a Line Address. Cont
b Line Address. Cont
D [63:0]
[15:0][7:0]
D [63:0]
D [63:0] D [63:0]
D
[15:0]
Cont
Panel I/F From C2 LSI
3.3V
Reset IC
2.5V
1.8V
12V
3.3V
5V
2.5V
14.31818MHz
Crystal
Resonator
M62733ML
(PU3V)
PST596
(PU12V)
PST596
(+5V)
internal
CPU CLK
setting Resister
PLL702-01
3.3V
Regulator
PPC
750cx
Core:1.8V
I/O:2.5V
2.5V
Regulator
CA1 LSI
MHM
2030-003
(uPD856
11N7)
Core:2.5V
I/O:3.3V
CPU I/O:2.5V
C2 LSI
MHM2031-002
DRCLK
3.3V
100MHz
RAMCLK
From 702
LVC
161284
PLL102-5
33MHz
×
5
33MHz 3.3V
×
4
33MHz 3.3V
USB
C
e
n
t
r
o
L60851
PCI
Slot
FPGA
for IDE
CENT
PCI
Reset
IDE
HDD
I/O 2.5V
74LVC04
to each LSI
MPUCLK
2.5V
100MHz
CA1CLK
2.5V
100MHz
48MHz
to USB
33MHz
33MHz
33MHz
Local
33MHz
48MHz
A,Cont
1.8V
Regulator
+
Flash
Mask 32bit
×
2
ROM DIMM
×
2
SDRAM DIMM
×
3
SDRAMCLK
×
12
3.3V 100MHz
1
2
PCI BUS [31:0]
- AR -C 240P 1
- CONTENTS 3
- 1. CONFIGURATIONS 6
- 1.1 System Configuration 6
- 1.2 Printer Configuration 7
- 1.3 Supplies and Consumables 8
- Option Configuration 9
- 1.4 Specifications 10
- 2. OPERATION DESCRIPTION 12
- 2.1 Main Board (TIG PWB) 13
- 2.3 Power Units 16
- Disconnect 17
- [Maintenance Tools] 18
- Table 2-1 Maintenance Tools 18
- 2.2 Parts layout 19
- For 600dpi 20
- [Printer Unit-1/2] 21
- Figure 2-3 21
- [Printer Unit-2/2] 22
- Figure 2-4 22
- [Cassette Guide Assy (L),(R)] 23
- Figure 2-5 23
- [Duplex Unit] 24
- Figure 2-6 24
- 2.3 Replacing Parts 25
- 2.3.1 Top Cover 27
- (1) Open the Top Cover assy 27
- Figure 2-3-1 Top Cover 27
- 2.3.6 Eject Guide Assy 32
- (1) Remove the cassette 1 34
- 2.3.11 Face-Up Tray 37
- Figure 2-3-11 Face-Up Tray 37
- 2.3.15 Drum Contact Assys 41
- Stage height adjustment jig 43
- Top surface 43
- 2.3.20 Main Cooling Fan 46
- Connectors 47
- 2.3.22 Duplex Guide Assy 48
- Main chassis 52
- 2.3.27 Entrance Sensor PWB 53
- 2.3.30 Exit Sensor Assy 56
- 2.3.42 Fuser Unit 68
- (1) Open the top cover 1 68
- Figure 2-3-42 Fuser Unit 68
- 2.3.44 Duplex Unit 70
- Figure 2-3-44 Duplex Unit 70
- 3. ADJUSTMENT 76
- 3.0 System Maintenance MENU 76
- Maintenance Menu 78
- SWITCH SCAN 80
- MOTOR & CLUTCH TEST 84
- BLACK - ID MOTOR 84
- Figure 3-3 85
- Table 3-2 85
- TEST PATTERN 86
- Pattern 5 Pattern 6 88
- Pattern 7 88
- MTR=*.**KV CTR=*.**KV 89
- P=*** T=*** U=***[###] 89
- H=***% L=***[###] 89
- KTR=*.**KV YTR=*.**KV 89
- NV-RAM INITIAL 90
- TOTAL SHEETS FEED 91
- BLACK IMPRESSIONS 91
- YELLOW IMPRESSIONS 91
- MAGENTA IMPRESSIONS 91
- CYAN IMPRESSIONS 91
- 3.1.2.9 Panel display details 92
- Panel display 92
- Details of jam error display 96
- Value Check 101
- Measurement point 104
- 2-Character correction value 108
- Code content Barcode 108
- 5. TROUBLESHOOTING PROCEDURES 111
- 5.5 Troubleshooting Procedure 112
- Back-up roller thermister 128
- Heat roller thermister 128
- DIAGNOSTIC MODE 139
- XX.XX.XX 139
- Charge Roller 144
- Developing Roller 144
- Toner Supply Roller 144
- 5.6 Fuse check 145
- 6. CONNECTION DIAGRAM 146
- 6.1 Resistance Checks 146
- Feeder Motor 148
- Duplex Motor 148
- 6.2 Program/Font ROM Layouts 150
- (2) Main Controller PWB 152
- (6) N71 PWB 154
- Item Description 156
- INPUT. PRIME 157
- ACKNOWLEDGE 157
- 1. Parts Replacement 160
- APPENDIX C ERROR MESSAGES 165
- 1. Error messages 165
- 5. Other Warnings 177
- PARTS GUIDE 179
- (1) Main Assembly 1/3 181
- (1) Main Assembly 2/3 182
- (1) Main Assembly 3/3 183
- (2) Top Cover Assembly 185
- (2) Top Cover Assembly 186
- (3) Printer Unit Chassis 1/2 187
- (3) Printer Unit Chassis 2/2 188
- (3) Printer Unit Chassis 189
- (4) Paper Tray Guide 191
- (4)Paper Tray Guide 192
- (5)Duplex Unit 193
- (5) Duplex Unit 194
- ALL RIGHTS RESERVED 196
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