Operating Principles
Operating Principles of Electric Circuitry
2.3.5 Power Supply Board
2.3.5.1 Circuit Constitution
C583PSB/C583PSE
C583MAIN (Power supply)
2.3.5.2 Input and Output Specifications
Input Specifications
Note "*": Each value indicated here is only the average of measured values of samples (sample
size n = 3), that is, it is not a typical value or guaranteed value.
Block
Description
AC input
Directly connected AC cable (C583PSB)
Directly connected AC cable (C583PSE)
Input filter
Inrush current preventive circuit with a power thermistor
Main
conversion
circuit
Quasi-resonance type line-commutator flyback converter
ZD type constant voltage detection circuit
Secondary-side power switch function
Primary-side OVP detection function
5 V circuit
Chopper circuit with regulator L4978 (by ST)
Block
Description
3.3 V circuit
Chopper circuit with regulator FA7728F (Fuji Electric)
1.5 V circuit
Chopper circuit with regulator FA7728F (Fuji Electric)
12 V circuit
Dropper circuit with regulator NJM2386 (New Japan Radio)
ON/OFF function
Quasi-resonance type
Line-commuted flyback
1. OCP function
2. OVP function
3. Secondary side power
switch function
Input filter
AC
input
Fuse for LPS
(Rated current 2A)
+42V 0.8A
+15V 0.15A
+5V 1.2A
PSC
I/O
CN2
5 V generation
circuit
+42 V input
+3.3 V, 0.8 A
+1.5 V, 0.8 A
+15 V input
+12 V, 0.15 A
3.3 V generation circuit
1.5 V generation circuit
12 V generation circuit
Item
100-120 V Specifications 220-240 V Specifications
Power Supply Unit
C583 PSB
C583 PSE
Rated input voltage
100-120VAC
220-240VAC
Input voltage range
85-138VAC
187-276VAC
Rated input power frequency
50-60Hz
Input frequency range
47-63Hz
Input current (reference value *)
(100V/120V, 60Hz)
(220V/240V, 50Hz)
Secondary-side switch OFF
0.0154A/ 0.0184A
0.0276A/0.0300A
Minimum load
0.0198A/ 0.0217A
0.0285A/0.0308A
Rated load
0.860A/ 0.742A
0.419A/0.396A
Maximum load
1.910A/ 1.623A
0.927A/0.873A
Input power (reference value *)
(100V/120V,60Hz)
(220V/240V,50Hz)
Secondary-side switch OFF
0.113W/ 0.143W
0.286W/ 0.302W
Minimum load
0.397W/ 0.411W
0.390W/ 0.406W
Rated load
48.9W/ 48.5W
48.3W/ 48.2W
Maximum load
132W/ 128W
126W/ 125W
Inrush current
30A(0-p) or below
(Input:138V/60Hz)
30A(0-p) or below
(Input:276V/50Hz)
(Ambient temperature: 25
°
C at cold start)
Leakage current
0.25mA or below
(Input:100V, 50Hz)
0.75mA or below
(Input:138V, 60Hz)
0.75mA or below
(Input:276V, 60Hz)
(Ambient temperature: 25°C)
Output holding time
25 ms or above
(Input: 85V/47Hz)
(Input: 187V/47Hz)
(Output: Rated load/Ambient temperature:25
°
C)
Special output holding time
(Output 5 holding time from the point
when output 1 drops below 32 V)
250 ms or above
(Input:85V, 60Hz)
(Input:187V, 50Hz)
(Load condition: actual machine load condition)
Others
–
Does not start at 121 V
or below
Содержание Stylus Photo RX700 Series
Страница 1: ...EPSON StylusPhotoRX700 Scanner Printer Copier SERVICE MANUAL ECOS SEMF05001 ...
Страница 9: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 17: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 51: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 64: ...EPSON Stylus Photo RX700 Revision A Troubleshooting Overview 64 Flowchart 3 2 Printing Processing ...
Страница 76: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 133: ...C H A P T E R 5 ADJUSTMENT ...
Страница 146: ...C H A P T E R 6 MAINTENANCE ...
Страница 163: ...C H A P T E R 7 APPENDIX ...
Страница 175: ...Model PM A900 Stylus PHOTO RX700 Board C583Main Sheet 1 3 Rev H ...
Страница 176: ...Model PM A900 Stylus PHOTO RX700 Board C583Main Sheet 2 3 Rev H ...
Страница 177: ...Model PM A900 Stylus PHOTO RX700 Board C583Main Sheet 3 3 Rev H ...
Страница 178: ...Model PM A900 Stylus PHOTO RX700 Board C583 PNL PNL B Sheet 1 1 Rev C ...
Страница 179: ...Model PM A900 Stylus PHOTO RX700 Board C583PSB Sheet 1 1 Rev H ...
Страница 180: ...Model PM A900 Stylus PHOTO RX700 Board C583PSE Sheet 1 1 Rev F ...
Страница 185: ...For 220V 240V 401 400 03 02 01 100 Rev 01 C583 ACCE 001_Overseas PM A900 EPSON STYLUS RX700 NO 1 ...