– 119 –
IC1
08250011 MASKED CPU HD63B01YF-IF
1
IC2
08221021 SRAM HM6264LFP-100NS
1
TR1
07603007 DIGITAL TRANSISTOR RTIN434C-T
1
TR2-4
06751021 CHIP RESISTOR 1 K-OHM 1/10W
3
TR5
06754721 CHIP RESISTOR 4.7 K-OHM 1/10W
1
TR6-7
06783313 CHIP RESISTOR 330 OHM 1/8W
2
TR8
06754721 CHIP RESISTOR 4.7 K-OHM 1/10W
1
RA1
NPN
RESIS. ARRAY 4.7K-OHM 1/16W8EL
1
C1
NPN
CERA. CAPA. CHIP 0.1UF 25V
1
C2
NPN
TANTALUM CAPA. CHIP 4.7UF 10V
1
C3
NPN
CERA. CAPA. CHIP 0.1UF 25V
1
C4
NOT USED
C5-6
NPN
CERA. CAPA. CHIP 1000PF 50V
2
R1
NPN
CHIP RESISTOR 4.7 K-OHM 1/10W
1
XTAL1
09250039 CERA. OSCILLATOR EFO-W4914B5
1
DSW1
09090018 DIP SWITCH KSD08
1
SW1
09010047 PUSH SWITCH SKHHLS0001
1
CN1A-1B
80706070 INTERFACE CABLE SPC-8K
1
CN2
09100463 CONNECTOR 5533-08CPB
1
6-3-2. Component Layout
6-3-3. Parts List
CPU Board
DRWG.NO. REV. PARTS NO.
PARTS NAME
Q’TY
REMARKS
RANK
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 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 ...