Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
IBM Manuals
Desktop
System/32
Introduction and maintenance manual
IBM System/32 Introduction And Maintenance Manual
Hide thumbs
1
2
Table Of Contents
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
page
of
444
Go
/
444
Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
List of Abbreviations
Ce Safety Practices
Description
Introduction
Basic Configuration
System Data Flow
Processing Unit Data Flow
Channel Data Flow. 1-5
Control Storage. 1-7
Main Storage (MS)
System Microprogram. 1-6
Control Storage (CS)
Storage Address Register (SAR)
And y Registers
Arithmetic Logical Unit (ALU)
Micro Operation Register (Mar)
Process Condition Register (PCR)
Storage Data Register (SDR)
Local Storage Registers (LSR)
Event Indicator Sequence. 1-10
Initial System Checkout. 1-10
Micro Interrupts. 1-11
System Parity Checking and
Parity Generation
I/O Parity Checking and
Generation. 1-13
Operation Retry and Error
Locations. 1-15
Board Pin Locations
Disk Drive
Grounding. 2-1
Introduction
Subframe
Theory
Disk Enclosure
Disk Spindle
Transducer. 2-2
Actuator
Actuator Lock
Actuator Position Indicator
Circuitry Location
Disk Description
Data Tracks
Servo Tracks
Guard Band (GB)
Landing Zone (LZ)
Motor and Brake . 2-5
Sector Format
Write Safety
Data Unsafe Conditions
File Ready
Disk Speed
Power up
Behind Home
Recalibrate Operation
Seek Operation
Servo Track Following
Card Sockets
Disk Enclosure (DE)
Disk Drive Motor
Old Style Motor
New Style Motor
Motor Start Relay
Brake Assembly and Brake Coil Assembly
Brake Assembly
Motor Antistatic Brush
Spindle Antistatic Brush
Disk Speed Transducer
Motor Tension Spring
Shock Mount (Top One)
Shock Mounts (Bottom Two)
Cable and Card Locations
33Fd Diskette Drive
Theory
33FD Description
Diskette Format
Operating Sequences
Initialization
Seek
Read or Write
Read/Write Circuit Principles
Machine Safety
Tools
Head Cleaning Tools (3.2.10)
Pressure Pad Replacement Kit
Diskette Care
Handling
Long Term Storage
Shipping and Receiving
Inserting and Removing the Diskette
33FD Diskette Drive
Collet
Cover Assembly
Pressure Pad Actuator
Head and Pressure Pad Cleaning
Latch Assembly
Leadscrew Dust Cover (if Installed)
Leadscrew and Head Carriage Assembly
Drive Motor
Belt Tracking
Drive Pulley
Hub Assembly
Idler Assembly
Leadscrew Wheel
Lower Limit Stop
Upper Limit Stop
Stepper Motor and Bracket
Phototransistor 3:22
Light Emitting Diode (LED)
File Control Card
Test Points
File Card Pin Assignment
File Control Card Socket Pins
Belt Printer
Theory
Principles of Printing (50, 100, and 1551Pm)
Functional Components
(50, 100, and 155 Ipm)
Type Belt Transducer
Ribbon Drive
Type Belt Drive
Carriage
Throat
Paper Clamps
Checking (50, 100, and 155 Ipm)
Forms Jam Check
Belt Speed Check
Carriage Sync Check
Coil Current Check
Belt Sync Check
Emitter Check
Data Check
Hammer Parity Check
End of Forms Check
Input/Output Lines
Por/Printer Reset (A)
Close (+24V) Contactor (A)
Belt Go (A)
Belt Motion (P)
PSS (Subscan) (P)
IMPSS (Impression Singleshot) (P)
Fire Hammer (A)
Carriage Go (A)
Stop Ribbon (A)
Hammer Check 1-22 (also 23-44 and 45-66 (P)
Activate Paper Clamps (A)
Carriage Advance (P)
Home Pulse (P)
Throat Closed Switch (P)
Cover Closed Switch (P)
Forms Sensed Switch (P)
Printer Thermal Switch (P)
Circuit Cards (50, 100, and 155 Ipm)
Hammer Driver
Motors/Solenoid Driver
Control Card
Card Gate Connector Details (50, 100, 155 Ipm)
Printer Power Plugs (50, 100, and 1551Pm)
Pin Reversal in Cables
Printer Cover and Divider Removal and Replacement
Printer Cover Grounding
Interlock Switch Description
Cover Interlock Switch
End-Of-Forms Interlock Switch
Print Unit (Throat) Interlock Switch
Thermal Switch
Fan Assembly
Relay (Contactor Kl)
Diode 01 Service Check
Motor Checkout Procedure (50, 100, and 1551Pm)
Type Belt Motor (50, 100, and 1551Pm)
Carriage Motor (50, 100, and 1551Pm)
Motor and Paper Clamp Resistor
Motor Phase Capacitor (50, 100, and 1551Pm)
Print Unit Assembly
Print Units with Pivot Screws
Print Units with Pivot Pins
Print Unit Stop Screw
Platen Gap (50, 100, and 155 Ipm)
Platen (50, 100, and 1551Pm)
Type Belt (50, 100, and 155 Ipm)
Static Test for Type Belt Binds
Dynamic Test for Type Belt Binds
Type Belt Drive Pulley Assembly
Type Belt Motor '4-37
Type Belt Positioning Rollers
Type Belt Idler Pulley Pivot Assembly
Type Belt Idler ~Ulley
With Clevis (New Style)
Without Clevis (Old Style)
Transducer Assembly
Transducer
Impression Singleshot Potentiometer
(50, 100, and 155 Ipm)
Hammer Flight Time
Transducer Position (Character Cutoff)
Hammer Coil (50, 100, and 155 Ipm)
Hammer (50, 100, and 155 Ipm)
Hammer Block Assembly
Ribbon Drive Description
Ribbon Cassette (50, 100, and 155 Ipm)
Ribbon Drive Assembly
Ribbon Drive Clutch
Ribbon Drive Belt
Ribbon Solenoid
Ribbon Drag (50, 100, and 155 Ipm) 4·51
Ribbon Drive Rolls and Idler Rolls
For Ribbon Shields with Guides 4·52
For Ribbon Shields Without Guides 4·52
Ribbon Tracking (50, 100, and 1551Pm) 4·52
Ribbon Shield (50, 100, and 155 Ipm) 4·52.1
Tractor Cover 4·53
Tractor Drive Shaft 4·53
Carriage Tractor/Vernier !Tractor Drive Shaft 4·54
Carriage Drive Belt 4·55
Carriage Motor 4·55
Upper Paper Clamp 4·56
Upper Paper Clamp Assembly 4·57
Lower Paper Clamp
Two Coil Clamp with Two Engaging
Single Coil Clamp with One Engaging
Clamp Assembly Removal
Clamp with One Engaging Lever) 4·62
Clamp Bar Removal
Coil Assembly Removal
Forms Tension Assembly
Print Units with Pivot Screws and Two
Print Units with Pivot Pins and Two Paper
Print Units with Pivot Pins and One Paper Clamp Engaging Lever
Forms Jam Detection Device
Examples of Incorrect Printing (50, 100, and 1551Pm)
Lower Forms Guide to Hammer Bar Adjustment
Lower Paper Guide to Hammer Clearance
LOCATIONS (50, 100, and 1551Pm)
Back View
Front View
Right Side
Left Side
Card Gate (50, 100, and 155 Ipm)
Card and I/O Cables
OSCILLOSCOPE FIGURES (50,100, and 1551Pm)
Principles of Printing (285 Ipm)
Ribbon Drive
Type Belt Drive
Paper Clamps 4·90
Checking (285 Ipm) 4·91
Forms Jam Check 4·91
Belt Speed Check 4·91
Carriage Sync Check
Coil Current Check 4·91
Belt Sync Check 4·91
Emitter Check 4·91
Data Check 4·91
Hammer Parity Check 4·91
End of Forms Check 4·91
Input/Output Lines (285 Ipm) 4·92
Por/Printer Reset
Belt Go
Belt Motion
PSS (Subscan
IMPSS (Impression Singleshot
Fire Hammer
Circuit Cards (285 Ipm) 4·94
Hammer Driver 4·94
Motors/Solenoid Driver 4·94
Control Card 4·94
Card Gate Connector Details
Printer Power Plugs (285 Ipm) 4·95
Pin Reversal in Cables 4·96
Printer Cover and Divider Removal and Replacement
Printer Cover Grounding
Cover Interlock Switch
Interlock Switch Description
End-Of-Forms Interlock Switch
Print Unit (Throat) Interlock Switch
Thermal Switch
Fan Assembly
Relay (Contactor K1)
Diode D1 Service Check
Motor Checkout Procedure (285Ipm)
Type Belt Motor (285Ipm)
Carriage Motor (285 Ipm)
Motor Phase Capacitor (285Ipm)
Motor and Paper Clamp Resistor (285Ipm)
Print Unit Assembly (285 Ipm)
Print Unit Stop Screw (285 Ipm)
Platen Gap (285 Ipm)
Platen (285 Ipm)
Type Belt (285 Ipm)
Static Test for Type Belt Binds
Dynamic Test for Type Belt Binds
Type Belt Drive Pulley Assembly
Type Belt Motor
Type Belt Positioning Rollers
Type Belt Idler Pulley (285 Ipm)
Type Belt Idler Pulley Pivot Assembly
Transducer Assembly (285Ipm)
Transducer
Hammer Flight Time (285 Ipm)
Advertisement
Quick Links
Download this manual
·
/
(
(
(
(
\
-
-
-
- - -
-
- -
- - - . .
-~-
- - -
-
-
------
-
----
===~== ~
=
Maintenance Library
SYSTEM/3~
Introduction and Maintenance
SY31-0373-4
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Table of Contents
Need help?
Do you have a question about the System/32 and is the answer not in the manual?
Ask a question
Questions and answers
Subscribe to Our Youtube Channel
Related Manuals for IBM System/32
Desktop IBM System/34 Maintenance Manual
Ibm system/34 5340 system unit (786 pages)
Desktop IBM System/370 Manual
(194 pages)
Desktop IBM SYSTEM/370 Educational Manual
Field engineering education supplementary course material (22 pages)
Desktop IBM SYSTEM/36 5362 Setting Up
(362 pages)
Desktop IBM System/360 System Programmer's Manual
Operating system (137 pages)
Desktop IBM System/360 Field Engineering Manual
(131 pages)
Desktop IBM System/370 145 Manual
(265 pages)
Desktop IBM System/370 145 Operating Procedures Manual
Operator's library (102 pages)
Desktop IBM 2030 Manual Of Instruction
Processing unit, field engineering (350 pages)
Desktop IBM System/36 Manual
(64 pages)
Desktop IBM System/36 Maintenance Information Manual
System unit (178 pages)
Desktop IBM System/38 Instruction Manual
(50 pages)
Desktop IBM System/360 65 Engineering Handbook
(85 pages)
Desktop IBM System/36 5360 Manual
Setting up your computer (220 pages)
Desktop IBM Personal Computer Manual To Operations
(318 pages)
Desktop IBM Personal System/2 60 Technical Reference
(60 pages)
Related Products for IBM System/32
IBM System/34
IBM SYSTEM/36 5362
IBM System/360
IBM System/370 145
IBM System/360 30
IBM System/36
IBM System/23
IBM Personal System/2 CL57 SX
IBM System/38
IBM Personal System/2 60
IBM Personal System/2 50
IBM System/360 65
IBM System/36 5360
IBM Application System/400
IBM Personal System/2 65 SX
IBM NetVista S42
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
Need help?
Do you have a question about the System/32 and is the answer not in the manual?
Questions and answers