– 115 –
R5
NPN
RN RESISTOR 100 OHM 3W
1
R6
NPN
RN RESISTOR 0.15 OHM 2W
1
R7
NPN
RD RESISTOR 100 OHM 1/4W
1
R8
NPN
RD RESISTOR 10 OHM 1/4W
1
R9
NPN
RD RESISTOR 680 K-OHM 1/4W
1
R10
NPN
RD RESISTOR 330 OHM 1/4W
1
R11
NPN
RD RESISTOR 1 K-OHM 1/4W
1
R12
NPN
RD RESISTOR 560 OHM 1/4W
1
R13
NPN
RD RESISTOR 2.2 K-OHM 1/6W
1
R14
NPN
RD RESISTOR 1 K-OHM 1/6W
1
R15
NPN
RD RESISTOR 15 K-OHM 1/6W
1
R16
NPN
CEMENT RESISTOR 1.5 K-OHM 3W
1
R17
NPN
RD RESISTOR 3.3 K-OHM 1/6W
1
R18
NPN
RD RESISTOR 10 K-OHM 1/6W
1
R19
NPN
RN RESISTOR 2.4 K-OHM 1/6W 1%
1
R20
NPN
RN RESISTOR 5.1 K-OHM 1/6W
1
R21
NPN
RN RESISTOR 1.5 K-OHM 1/6W 1%
1
R22
NPN
RN RESISTOR 22 OHM 2W
1
R25
NPN
RN RESISTOR 30 OHM 3W
1
R26
NPN
CEMENT RESISTOR 15 OHM 2W
1
R27
NPN
CEMENT RESISTOR 10 OHM 5W
1
R28
NPN
RD RESISTOR 1 K-OHM 1/6W
1
R29
NPN
RD RESISTOR 100 OHM 1/4W
1
R30-31
NPN
FUSE RESISTOR RF25SC-R1K*A
2
CN1
NPN
CABLE UNIT 05X135CC
1
F1
09990070 FUSE 215 5A-250V ZB
1
NPN
FUSE HOLDER PFC5000
2
L1-2
*2
NPN
LINE FILTER ELF-18D650J
2
#2
NPN
NOISE FILTER LFZ2805V06
2
L3
NPN
INDUCTOR LAL03TA390K
1
Q1
NPN
FET 2SK2275
1
Q2
NPN
TRANSISTOR 2SC1740SE
1
SA1
NOT MOUNTED
SW
*2
NPN
SEESAW SWITCH T881SGSS9
1
#2
NPN
SEESAW SWITCH SF-W1S1A14GG
1
T1
NPN
CONVERTER TRANSFORMER HBF15D
1
TA1
NPN
TRIAC TM841S-L
1
V1
NOT MOUNTED
V2-3
NPN
VARISTOR ERZV20D241
2
N,L
NPN
WIRE 22UL1672BLK230T
2
W1-2
NPN
WIRE 20UL1672BLK400T
2
W3
NOT MOUNTED
ZD1
NPN
ZENER DIODE RD20JSB2
1
ZD2
NPN
ZENER DIODE RD6.2JSB2
1
ZD3
*2
NPN
ZENER DIODE RD4.7JSB1
1
#2
NPN
ZENER DIODE RD4.7JSB1*A
1
PC1
NPN
OPTCOUPLER PC123FY2
1
-
NPN
INLET SS-7B
1
NPN
FERRITE CORE ESD-R-16C
1
NPN
GROUND PLATE MEP1902-A
3
NPN
HEAT-SHRINK TUBE F2-5.0
3
NPN
FERRITE CORE BP53-19-12-8
1
NPN
HEAT RADIATION BD PUE16-25
2
NPN
FASTENER T18S
2
NPN
HEAT RADIATION BD PUH23-35
1
NPN
SCREW TR 3-9 WS/WF
3
NPN
WIRE 18UL2.91G/Y210T
1
DRWG.NO. REV. PARTS NO.
PARTS NAME
Q’TY
REMARKS
RANK
Power Supply Unit
Summary of Contents for LC-8521
Page 1: ...DOT MATRIX PRINTER LC 8521 TECHNICAL MANUAL THIRD EDITION ...
Page 4: ......
Page 6: ... 2 ...
Page 24: ... 20 ...
Page 26: ... 22 ...
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Page 42: ... 38 ...
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Page 54: ......
Page 56: ... 52 ...
Page 64: ... 60 ...
Page 80: ... 76 ...
Page 101: ... 97 Blank Page ...
Page 102: ... 98 4 Wiring Scheme of Printer ...
Page 103: ... 99 ...
Page 104: ... 100 5 Electrical Parts 5 1 Main Logic Board 5 1 1 Circuit Diagram ...
Page 105: ... 101 ...
Page 106: ... 102 ...
Page 107: ... 103 Blank Page ...
Page 108: ... 104 5 1 2 Component Layout ...
Page 109: ... 105 ...
Page 116: ... 112 5 4 Power Supply Unit 5 4 1 Circuit Diagram ...
Page 117: ... 113 5 4 2 Component Layout ...
Page 120: ... 116 6 Serial Parallel Converter Board Option 6 1 Wiring Scheme ...