– 26 –
PRINTED CIRCUIT BOARD PARTS
CAPACITORS
DIODES
CORE
CONNECTORS
Ref.No.
Value (
µ
F)
Voltage (V)
Tolerance ( %)
R/S Part No.
Material
C1
4700
16
±20
Radial Electrolytic
C2
10
25
±20
Radial Electrolytic
C3/4
100
16
±20
Axial Electrolytic
C5
0.1
25
±20
Radial Ceramic
C6
0.0022
50
+80/-20
Radial Ceramic
C7
0.022
50
+80/-20
Radial Ceramic
C8
4.7
50
±20
Radial Electrolytic
C9~12
0.022
50
+80/-20
Radial Ceramic
C13
0.1
25
±20
Radial Ceramic
C14~20
0.1
50
±5
Radial M-Plastic Capacitor
C21/22
0.022
50
+80/-20
Radial Ceramic
C23
0.022
16
±30
Axial Ceramic
C24~26
0.022
50
±80/-20
Radial Ceramic
C27
0.1
25
±20
Radial Ceramic
C28
0.022
50
+80/-20
Radial Ceramic
C29
0.022
16
±30
Axial Ceramic
C30~32
0.022
50
+80/-20
Radial Ceramic
C33
150P
50
±5
Radial Ceramic
Ref. No.
Description
R/S Part No.
Manufacture
D1 SIRBA10
RECTIFIER
SHINDENGEN
D2/3
10E1 or
SI DIODE
SR1K-2
SI DIODE
NIHONINTER or
UNIZON
D4~9
1N4148
SI DIODE
HITACHI or ITT
Ref. No.
Description
R/S Part No.
Mfr’s Part No.
FB1~5
CORE
φ
3.5 x
φ
1.3 x 5 or
BL01RN1-A61
588010050A
588010060A
Ref. No.
Description
R/S Part No.
Mfr’s Part No.
J1
5P DIN (For CASSETTE I/O)
193410030A
J2
4P DIN (For SERIAL I/O)
193410020A
J3
POWER JACK
196610020A
J4
WIRE CONNECTOR
193904400A
J5
WIRE CONNECTOR
193904400A
Содержание TRS-80
Страница 3: ...3 SECTION I SYSTEM DESCRIPTION...
Страница 5: ...5 SYSTEM BLOCK DIAGRAM...
Страница 7: ...7 SECTION II SPECIFICATIONS...
Страница 9: ...9 SECTION III DISASSEMBLY REASSEMBLY...
Страница 11: ...11 SECTION IV THEORY OF OPERATION...
Страница 21: ...21 SECTION V TROUBLESHOOTING...
Страница 25: ...25 SECTION VI PARTS LIST...
Страница 30: ...30 SECTION VII PRINTED CIRCUIT BOARDS...
Страница 31: ...31 MAIN P C B TOP VIEW...
Страница 32: ...32 BOTTOM VIEW...
Страница 33: ...33 SECTION VIII IC INTERNAL CONNECTIONS...
Страница 34: ...34 IC INTERNAL CONNECTIONS U1 MC6803G Motorola or HD6803P Hitachi...
Страница 35: ...35 U11 MC6847P Motorola...
Страница 36: ...36 U2 SN74LS373N Motorola or MB74LS373M Fujitsu U7 SN74LS245N Motorola or MB74LS245M Fujitsu...
Страница 37: ...37 U3 MB8364M Fujitsu U9 10 PD4016C 1 NEC or PD4016D 1 NEC or MB8128 15P Fujitsu or MSM2128 20RS Oki...
Страница 41: ...41 U15 LM339N Motorola or PC339C NEC U18 SN74LS74AN Motorola or MB74LS74AM Fujitsu or HD74LS74AP Hitachi...
Страница 42: ...42 U16 MC1741CP1 Motorola or HA17741PS Hitachi U17 MC7805CT Motorola or NJM7805A JRC or PC7805H NEC...
Страница 43: ...43 SECTION IX SCHEMATlC DlAGRAM SECTION X EXPLODED VlEW...