ftp://ftp.funet.fi/pub/cbm/schematics/computers/c128/manual/

Service Manual C-128/C128D Computer, November 1987, PN-314001-08

Files

00-title.gif 1999-09-14 62297
Title page
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Table of contents
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Specifications
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Parts list
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Block diagram (wide sheet)
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Bus architecture
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06.gif 1999-09-14 154187
8502 microprocessor
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08.gif 1999-09-14 154381
Z-80 microprocessor
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10.gif 1999-09-14 143687
 
11.gif 1999-09-14 106206
Memory architecture
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13.gif 1999-09-14 144752
 
14.gif 1999-09-14 69507
 
15.gif 1999-09-14 152357
Read Only Memory
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17.gif 1999-09-14 104817
Random Access Memory
18.gif 1999-09-14 97107
 
19.gif 1999-09-14 78114
 
20.gif 1999-09-14 125344
Memory Management Unit
21.gif 1999-09-14 188169
 
22.gif 1999-09-14 183591
 
23.gif 1999-09-14 156363
 
24.gif 1999-09-14 146375
 
25.gif 1999-09-14 131814
 
26.gif 1999-09-14 86860
 
27.gif 1999-09-14 134405
 
28.gif 1999-09-14 166042
Programmed Logic Array
29.gif 2000-02-07 121547
 
30.gif 1999-09-14 105287
8701 clock generator
31.gif 1999-09-14 112134
Video interface
32.gif 1999-09-14 50658
 
33.gif 1999-09-14 140536
8564 Video Interface Chip
34.gif 1999-09-14 83074
 
35.gif 1999-09-14 130202
 
36.gif 1999-09-14 106556
8563 Video Controller
37.gif 1999-09-14 153103
 
38.gif 1999-09-14 135927
 
39.gif 1999-09-14 126469
8568 CRT Controller
40.gif 1999-09-14 151863
 
41.gif 1999-09-14 134945
8580 Sound Interface Device
42.gif 1999-09-14 146172
 
43.gif 1999-09-14 178324
 
44.gif 1999-09-14 160759
 
45.gif 1999-09-14 186940
 
46.gif 1999-09-14 79451
 
47.gif 1999-10-02 117999
Floppy disk drive read/write head amplifier
48l.gif 1999-09-14 127105
 
48r.gif 2000-01-26 100749
 
49.gif 1999-09-14 148611
Input/Output circuits: Cassette interface
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51.gif 1999-09-14 105284
Keyboard
52.gif 1999-09-14 142521
Expansion bus
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54.gif 1999-09-14 124527
Serial bus
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56.gif 1999-09-14 108849
Troubleshooting: Common line definitions
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Common ICs (pin assignments and logic)
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59.gif 1999-09-14 82222
 
60.gif 1999-09-14 116102
 
61.gif 2002-04-17 123406
 
62.gif 1999-09-14 90703
 
63.gif 2002-04-22 200964
Board layout, PCB assy #310379 revision 6. Identifying factor: On solder side of board at the expansion bus, CN1, the artwork #310381 rev. 6 appears.
64.gif 1999-09-14 124703
PCB assembly #310379 rev. 6
65.gif 1999-09-14 115209
 
66l.gif 1999-09-14 26472
 
66r.gif 2002-04-28 273797
I/O - Control Ports, Keyboard, User Port, Serial Port, Cassette Port
Schematic 310378 rev. 6, sheet 1 of 4
67l.gif 1999-09-14 30743
 
67r.gif 2002-04-30 326464
Microprocessors, MMU, SID, PLA, power supply
Schematic 310378 rev. 6, sheet 2 of 4
68l.gif 1999-09-14 36198
 
68r.gif 2002-04-29 283519
Video, Clock, Reset
Schematic 310378 rev. 6, sheet 3 of 4
69l.gif 1999-09-14 20953
 
69r.gif 2002-05-01 305310
RAM, ROM
Schematic 310378 rev. 6, sheet 4 of 4
70.gif 2002-05-03 201108
Board layout, PCB ASSY #310379 revision 7. Identifying factor: On solder side of board at the expansion bus, CN1, the artwork #310381 rev. 7 appears.
71.gif 1999-09-14 121290
PCB assembly #310379 rev. 7
72.gif 1999-09-14 113393
 
73l.gif 1999-09-14 26635
Quick reference (table of topics and page numbers)
73r.gif 2002-05-05 272095
I/O - control ports, keyboard, user port, serial port, cassette port
Schematic 310378 rev. 7, sheet 1 of 4
74l.gif 1999-09-14 30810
Quick reference (table of topics and page numbers)
74r.gif 2002-05-15 297420
Microprocessors, MMU, SID, PLA, power supply
Schematic 310378 rev. 7A, sheet 2 of 4
75l.gif 1999-09-14 36063
Quick reference (table of topics and page numbers)
75r.gif 2002-05-15 262075
Video, clock, reset
Schematic 310378 rev. 7A, sheet 3 of 4
76l.gif 1999-09-14 20903
Quick reference (table of topics and page numbers)
76r.gif 2002-05-07 301789
RAM, ROM
Schematic 310378 rev. 7, sheet 4 of 4
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RF modulator
78.gif 2002-05-07 152534
Power supply schematic - for reference only: Mitsumi - PN-252449-01
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Power supply schematic - for reference only: Dee-Van - PN-252449-03
80l.gif 1999-09-14 51357
C128D major parts
80r.gif 2002-05-08 206481
Service parts reference diagram: "explosion diagram" of the C128DCR
81l.gif 1999-09-14 100995
Componets (sic) parts list - PCB assembly 250477
81r.gif 2002-05-07 186979
Board layout - PCB assembly 250477-01 (C128DCR)
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Schematic 252451, sheet 1 of 5
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Schematic 252451, sheet 2 of 5
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Schematic 252451, sheet 3 of 5
85.gif 2002-05-14 152904
Schematic 252451, sheet 4 of 5
86.gif 2002-05-14 257049
Schematic 252451, sheet 5 of 5 (floppy disk drive controller)

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