Electrical Section; System Block Diagram - Sharp SF-2014 Service Manual

Table of Contents

Advertisement

[12] ELECTRICAL SECTION

1. System block diagram

2
3
LM
AE PWB
MIR.M
LHPS
Personal
2
counter
Operation PWB
3
6
HL
AC power
AC circuit PWB
Power
trans
2. System operation at power ON
Power ON
Initial setting
Memory transfer
Trouble
1
3
2
3
2
BL PWB
DL PWB
MHPS
Main circuit PWB
CPU/memory/driver
1
2
3
DC power supply circuit
4
5
6
CL
CRU PWB
6
4
Main switch
Dry heater
NO
NO
JAM
3
2
2
MFD1
MFD0
DV UNIT
1 3 6
+30V
7
+32V
+24V
+5V1
+5V2
FW
GND
BIAS
SHV
1
MHV
THV
GRID
Warm up complete
Racing complete
NO
Door open
12 – 1
6
2
SPFM
SPF PWB
1
Main motor
MM
PWB
4
Lower unit PWB
3
6
High voltage
circuit PWB
1
6
Warm up
• Heater lamp ON
• Mirror initialization
• Lens initialization
Racing
• Toner density control
RPL ON
PSW ON
RPL ON
Copy cycle
Copy end
RE PWB
3
6
SPFD
3
7
SPM
SPFC
2
SRRC
2
SPPD
3
SDSW
6
SPOD
3
TRC
2
VFM
2
CFM
2
RRC
2
TM
2
PSPS
2
POD
3
MPFS
2
MPFC
2
LUM
2
CPFC1
2
PWD
3
PPD
3
LUPD
3
CPED1
3
CPED2
2
CSDSW
3
CSPPD
3
CPED2
3

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Sf-2114Sf-2214

Table of Contents