Sharp SF-1020 Servisní příručka Strana 135
- Strana / 140
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
(13) EnergyStar circuit description
The EnergyStar circuit composition saves power consumption when
the user leaves the machine with the power ON.
Normally in a copy mode or in the standby mode, the main PWB
connector HL signal is HIGH (5V) and the AC PWB relay (TY201) is
turned on to supply power to all the power transformers and the
optional power source.
When the machine is left un-operated with the power ON, the main
PWB connector HL signal level becomes a high impedance to turn off
the AC PWV relay (RY201), stopping power supply to the power
transformers and the optional power source except for the sub DC
PWB PT2 (Ref. t1). As a result, only 5V is supplied to the main PWB
and the operation PWB to reduce the power consumption.
To reset from this energy save mode, press an button on the opera-
tion PWB.
OPTION
SORTER
DC PWB
GND
5V2
AC PWB
PR
HOUND AC CIRCUIT
AC IN
AC PWB
N/F
ILSW
LI
NI
LO
NO
L1
N1
OEG
OMH-SS-
105LM
AC PWB
PT1
VH
+24V
Vcl
+5V1
DC PWB
HV
VFMMirM
LMCFM
SFM
M A I N
P W B
TM
+5V1
MOTOR
MM
DSW
HOUND-B ONLY
ADF
CONTROL
ADF
DCPS
+24V
GND
+5V
JQ1-24V
(AJQ1342)
24V
JAPAN ONLY
AC
PWB
DHSW
SUB
DC
PWB
PT2
~
~
+
-
+
OPTION
MOTOR
ADF OPTION PWB
+28V
CONTROL
PWB
CS2M
CS3M
OPTION
CS4M
DC PWB
+5V1
MOTOR
PWB
DESK MOTOR DRIVE PWB
~
+-
POWER
DESK DC
OPTION
DH3
DH4
DH5
DH1
DH2
GATE
T1
GATE
T1
PT3
~
~
VH
+5V2
GND
D304
D301
OP PWB
ADUD
SF-2120/1120
only
ADU PWB
+5V
+24V
GND
+24V
VH
(MAIN,OP)
_
+
~
SUB DC PWB
CLR
T2
T2
AC PWB
200V
AREA
THSW
HL TRG
AC PWB
200V
AREA
DC
CIRCUIT
120V
L2
N1
200V ONLY
PT1
ADF DCPS
THSW
N2
CLTF
CLTF
HL:1kW
CL:100V 275W
200V 310W
“d ¹
XBb`
RY201
CONTROL
PWB
CONTROL
PWB
++
+
+
CL
CL
HL
HL
VH
12 – 16
- SERVICE MANUAL 1
- Contents 2
- [1] PRODUCT OUTLINE 5
- [2] PRODUCT SPECIFICATIONS 6
- 3. Supply parts 8
- 4. Optional specifications 9
- [3] PRODUCT VIEWS 11
- 11 12 13 12
- Clutches and solenoids 14
- 6. Rollers, mirrors, etc 17
- 1. Unpacking 18
- 2. Installation 18
- Grounding 19
- 4. Charger cleaning 20
- 5. Developing unit setting 21
- Hand carry strap 22
- Developing unit lever 22
- Front cabinet 22
- Copy tray 22
- 9. Center shift adjustment 24
- 10. Label attachment 24
- (SF-CM15) installation 25
- (SF-CM16) 26
- 16P connector 27
- 13. Tray paper size selection 28
- (Described with the SF-1020) 28
- 4. Attach the tray 29
- Roller release arm 30
- Paper feed roller shaft 30
- Paper feed roller 30
- 2. Developing section 31
- (3) Optical section 32
- • Brightness (F8.5) 33
- • Focus: (195mm ±1%) 33
- 2. Basic operations 35
- • Photo density copy mode 35
- (2) Dirt correction 36
- (4) Copy process 37
- (2) Process diagram 38
- Step 1 (Main Charging) 39
- Step 2 (Exposure) 39
- Step 3 (Development) 40
- Step 4 (Transfer) 41
- Step 5 (Separation) 41
- Step 6 (Cleaning) 42
- Step 7 (Discharging) 42
- (6) Process control function 43
- Process control 44
- Process control timing 44
- Drum marking 44
- Basic structure 44
- (5) TRANSPORT/FUSING SECTION 45
- (6) Fusing paper exit section 45
- Thermo control 46
- (DDM rotary encoder sensor) 47
- [6] DISASSEMBLY AND ASSEMBLY 48
- 1-3. PS front roller ass’y 49
- 1-4. Separation roller 49
- 2. Transport unit 50
- PS mylar 51
- 3. Fusing section 52
- Optical adjustment plate 54
- Mirror base B 56
- Mirror base positioning plate 57
- No.2/3 mirror unit 57
- Horizontal scales 58
- Projections 58
- 6) Lens wire replacement 60
- L drive pulley 61
- Lens unit 61
- Notch in the optical 62
- 5. High voltage section 63
- 6. Process section 64
- 7. Developing section 67
- MAG roller 68
- 9. Frame major parts 69
- 9-2. Power unit 70
- 9-3. Tray size detecting PWB 70
- (SF-2020) 71
- 10-1. Separation roller 72
- Clearance gauges 75
- 2. Optical system 76
- 2-2. Note for adjustments 77
- No.4/5 drive holder 78
- • When the lens is replaced 79
- Lens value label 80
- Zooming cam 81
- 10 20 90 100 110 82
- G. Vertical skew adjustment 84
- H. Horizontal skew adjustment 84
- Mirror base rail handle 85
- Loosen Loosen 85
- 1 scale = 1mm 85
- I. Center shift adjustment 86
- K. Copy lead edge adjustment 87
- • RRC-A = 6.151 × (L1 – L2) 88
- 10 20 30 40 89
- [8] SIMULATION 91
- 4. List of simulations 92
- Cassette size switch table 93
- 5. Details of simulations 94
- 0.5s 0.5s 0.5s 95
- 0.5s 0.5s 96
- PD1 PD2 PD3 PD4 PD5 PD6 102
- Document lead eddge 102
- 4 Set the obtained values 108
- 6. User simulation 110
- (2) User simulation 111
- [9] SELF DIAGNOSTICS 112
- PLACEMENT 115
- 4. Set value recording sheet 117
- 5. Memory simulation list 118
- [11] MAINTENANCE 119
- [12] ELECTRICAL SECTION 120
- Power ON 121
- (1) Block diagram 122
- SC3041K12F 123
- 4 Internal block diagram 124
- (3) I/O (IC8) CXD1095Q 127
- 1 General 127
- 2 Features 127
- 3 Pin arrangement 127
- DTA123YS 130
- 2 Operation 132
- M51953 BL 133
- (12) Operation panel 134
- HOUND AC CIRCUIT 135
- (14) ADU circuit description 136
- (2) ADU CPU (IC1) 137
- Phase B Phase B 139
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