– 106 –
IC1
08200164 IC-I/F SP232ACP
1
S
IC2
NOT USED
IC3
08210006 TTL IC 7406
1
S
IC4
08240087 GATE ARRAY LZ9G11K-F24W1
1
S
IC5
08200142 IC-RESET PST592D-2*
1
S
IC6
08220092 IC-LIN UPC339C
1
S
IC7
08250021 CPU TMP95C061BEF
1
S
IC8
08222047 EEPROM KM93C46
1
S
IC9
08210094 TTL IC 74LS07
1
S
IC10
08222017 EPROM D27C1001D-150NS
1
HBF15 *.*
S
09110077 IC SOCKET ICS-32-2T
1
IC11
09110077 IC SOCKET ICS-32-2T
1
IC12
08223330 MASKED ROM 8MCG-ANK 42P
1
S
IC13
08221026 PSRAM HM658128C-80NS
1
S
D1-2
*1
08000039 DIODE 1S1588
2
S
#1
08000096 DIODE 1S2076A*A
2
S
D3-4
08030044 SCHOTTKY DIODE SB140
2
S
D5
*1
08000039 DIODE 1S1588
1
S
#1
08000096 DIODE 1S2076A*A
1
S
D6-9
08030046 FAST DIODE D1NL20U*
4
S
D10
NOT MOUNTED
D11
*1
08000039 DIODE 1S1588
1
#1
08000096 DIODE 1S2076A*A
1
D12-13
08030034 SCHOTTKY DIODE D2S4M
2
S
D14-15
*1
08000039 DIODE 1S1588
2
#1
08000096 DIODE 1S2076A*A
2
ZD1
*2
08020063 ZENER DIODE RD24FB2T
1
#2
08020052 ZENER DIODE RD33FB2-T
1
ZD2
08020054 ZENER DIODE RD27FB2-T
1
ZD3
*2
08020063 ZENER DIODE RD24FB2T
1
#2
08020052 ZENER DIODE RD33FB2-T
1
ZD4
08020054 ZENER DIODE RD27FB2-T
1
ZD5
08020139 ZENER DIODE HZ2BLLTD
1
ZD6
08020131 ZENER DIODE RD36JSB3
1
ZD7
08020132 ZENER DIODE UZ20BCA
1
TA1-6
07650041 TRANSISTOR ARRAY MP4303
6
TA7
08043001 FET ARRAY UPA1501H
1
TA8
08043002 FET ARRAY SMA5102
1
TR1-3
07011752 TRANSISTOR 2SA1266*
3
TR4-8
07601004 TRANSISTOR 2SC3199GR*
5
TR9
07011752 TRANSISTOR 2SA1266*
1
TR10
07601004 TRANSISTOR 2SC3199GR*
1
TR11-14
07017201 TRANSISTOR 2SA1720
4
TR15
07011752 TRANSISTOR 2SA1266*
1
TR16
07220031 TRANSISTOR 2SC2003
1
C1-4
NPN
CHEM. CAPA. 0.1UF 50V
4
C5-6
NPN
CERA. CAPA. 0.022UF 50V
2
C7
NPN
CERA. CAPA. 2200PF 400V
1
C8
NPN
CERA. CAPA. 0.022UF 50V
1
C9
NPN
CERA. CAPA. 0.01UF 50V
1
C10
NPN
CERA. CAPA. 470PF 50V
1
C11
NPN
CERA. CAPA. 0.022UF 50V
1
C12
NPN
CERA. CAPA. 2200PF 400V
1
C13
#2
NPN
ZENER DIODE RD6.8E*R
1
C14
NPN
CERA. CAPA. 0.022UF 50V
1
C15-16
NPN
CERA. CAPA. 33PF 50V
2
DRWG.NO. REV. PARTS NO.
PARTS NAME
Q’TY
REMARKS
RANK
5-1-3. Parts List
Main Logic Board
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 ...
Page 38: ......
Page 42: ... 38 ...
Page 44: ......
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 ...