Kurzweil K250 - Page 161

CPU BOARD, Part Number 12001701-5 (CONTINUED)
KMSI
PIN
52002503
53000201
53000401
53000601
54000301
54000401
59000501
59000601
61000201
61000601
61000801
61001301
61001401
61001501
61001601
61001801
61002201
61002301
61002901
61003001
61003301
61003401
61004501
61004701
61004801
61005001
61005101
61005201
61005301
61005401
61005501
61005601
61005701
61005801
61005901
61006001
61006101
61006501
61006601
61006801
61007201
61008901
62000601
62000701
62000901
62001001
DESCRIPTION
QTY.
CAP NPO 47PF 500V
1
DIODE 1N914A
4
DIODE 1N270
2
DIODE SCHOTTKY 1 N6263
1
TSTR 2N2905A
2
TSTR2N222A
2
BATTERY 3.6V
1
OSCILLATOR CLOCK 20MHZ
1
IC DIGITAL 74LS138
2
IC DIGITAL 74S32
1
IC DIGITAL 74S00
1
IC DIGITAL 74LS04
6
IC DIGITAL 74LSOO
3
IC DIGITAL 74LS74A
3
IC DIGITAL 74LS32
4
IC DIGITAL 74LS08
2
IC DIGITAL 74LS139
2
IC DIGITAL 74LS161A
1
IC DIGITAL 74LS373
2
IC DIGITAL 74LS245
11
IC DIGITAL 74LS14
2
IC DIGITAL 74LS02
1
IC DIGITAL 7406
1
IC DIGITAL 74S74
1
IC DIGITAL 74S11
1
IC DIGITAL 74LS20
1
IC DIGITAL 74LS51
1
IC DIGITAL 74LS164
1
IC DIGITAL 74LS27
1
IC DIGITAL 74LS165
1
IC DIGITAL 74LS126A
2
IC DIGITAL 74LS367A
1
IC DIGITAL 74LS259
1
IC DIGITAL 68A50
1
IC DIGITAL 74LS148
1
IC DIGITAL 74LS113A
1
IC DIGITAL 74LS640
1
IC DIGITAL MC68A40
1
IC DIGITAL 8254-2
8
IC DIGITAL 74C02
IC DIGITAL
74393
1
Ie DIGITAL F74F04
1
IC LSI MEMORY 2114
3
IC LSI DIGITAL 2841
4
IC LSI MEMORY 8KX8 STATIC RAM CMOS
16
IC LSI DIGIT~L 68000
Kurzwell 250 Service Manual, Chapter 6
6 - 6
REF. DES.
(
UX-PINS 10 & 11
CR2-5
U85,PIN
5
CR1
02,4
01,3
BT1
REF:SP8
U64,86
U75
U90
U56,59,65, 70, 79,84
U66,77,91
U83,1
03,104
U57,60,63,76
U78,82
U20,72
U1
U10,11
U81 ,96,97,99,101,
102,11 0-114
U120,UX
U61
U94
U74
U92
U17
U21
U73
U22
U3
U2,16
U115
U71
U105
U55
U19
U5
U67
U68, 69,87,88,106,
107,118,119
U45
U6
U95
U7-9
U12-15
U25,26,28,29,30-33,
40,41 ,43,44,46-49
U98