Service manual

REPLACEMENT PARTS
LIST
To
MODEL MZ-80K
REF.
PART
NO.
DESCRIPTION CODE
REF.
PART NO.
DESCRIPTION
CODE
NO.
NO.
* * *
CPU BOARD UNIT SECTION
* * *
IC47
RH-IXOO45PAZZ
SN74154N
AN
IC51 RH-I X0177PAZZ SN7425N
AF
DCPU-0006PAZZ
Assembled CPU Board Unit
IC53]
IC56
RH-I X0148PAZZ
SN74S157Nor HD74S157
AO
INTEGRATED CIRCUIT
IC57
RH-IX0147PAZZ
SN74150N
AM
CG-ROM DPROM0001 PAZZ
HN462716 or MB8156C BS
IC1 I
RH-I X0134PAZZ
NE555P
M-ROM RH-IX0171PAZZ
,uPD2332C
BL
AG
IC13
RAM RH-I X0145PAZZ
16KRAM, ITT4116 or
BE
t
lC2
1
MB8116
IC121
RH-IX0079PAZZ SN74LS74AN or HD74LS74
AG
RAM
RH-IX0121PAZZ
4KRAM, ITT4027 or
AV
IC55
MB8227
IC3
RH-IX0038PAZZ
SN7406N
AG
IC4
RH-IX0131 PAZZ
SN7414N
AM
TRANSISTORS AND DIODES
IC5
RH-IX0136PAZZ
,uPD8255C
BA
IC6
RH-IX0126PAZZ
SN74LS145N
AL
01
VS2SA505 Y //1 A
2SA505-Y
AF
IC7 I
02
1
IC211
F1H-IX0074PAZZ
SN74LS04N or HD74LS04P
AE
03
IC54
04
VS2SC373G//1 E
2SC373
AC
IC8
1
RH-I X0040PAZZ
SN74121N
AG
05
IC31 !
06
IC9 \
01
IC14
RH-IX0125PAZZ
SN74LS93
AK
02
VHD1S1555//1A
1S1555
AA
IC27
IC10
IC15
RESISTORS
IC16
F1H-IX0127PAZZ
SN74LS107AN or HD741S1
AG
IC19
R1
IC25
R5
VRD-ST2EF221J
220 ohm
IC11
RH-I
X0142PAZZ SN74S126AN
AH R30
AA
IC17
RH-IX0076PAZZ SN74LS10N or HD74LS10P
AE R32
~
IC18
RH-I
X0146PAZZ
,uPD8253C
BC
R2 1
VRD-ST2EE182J
1.8K ohm
AA
IC20
RH-IX0075PAZZ
SN74LS08N or HD74LS08P
AE R10!
IC22)
R3 VRD-ST2EF222J
2.2K ohm
AA
IC24
F1 H-I X0070PAZZ SN74LSOON or HD74LSOO
AE
R4
VRD-ST2EF561J
560 ohm
AA
IC58 R6
IC23 I
F1H-IX0071PAZZ
R7
IC52 I
SN74LS02N or HD74LS02 AE
R8
IC26
F1H-1 X0132PAZZ
SN7486N
AF
R11
IC28 I
R12
IC48 I
F1H-IX0128PAZZ
SN74LS20N or HD74LS20
AE R14
IC49
1
IC29
F1H-1 X0129PAZZ
SN74LS165N
AO
R19 VRD-ST2EF102J
1K ohm
AA
IC30
F1H-IX0104PAZZ
SN74LS42N or HD74LS42
AH
R22
IC32
F1 H-I X0130PAZZ SN74177N
AO
R29
IC33 1
F1H-1 X0133PAZZ SN74177N
AL
R38
IC34 !
R41
IC35
R44
IC44
F1H-1 X0123PAZZ
SN74LS244N
1
IC45
AS
R48
IC50
R9 I
IC36 I
F1H-IX0176PAZZ
SN74LS241N
AS
R26 r
VRD-ST2EF122J
1.2Kohm
AA
IC37 I
R36
IC38 [ R13
" IC39 .-
F1H-IX0083PAZZ
SN74LS157N or HD74LS157
AH R27
IC40 I
R28
IC41 I
F1H-1 X0122PAZZ MB8114NC or HM472114P-3
AV
R31
VRD-ST2EF103J
10K ohm
AA
IC42 I
R33
IC43
F1H-IX0124PAZZ
SN74LS245N
AR
R35
IC46
fiH-IX0090PAZZ Z80CPU
BF
R39
-43-