IBM System/32 Manuals

Manuals and User Guides for IBM System/32. We have 1 IBM System/32 manual available for free PDF download: Introduction And Maintenance Manual

IBM System/32 Introduction And Maintenance Manual (444 pages)

Brand: IBM | Category: Desktop | Size: 17.9 MB

Table of Contents
3
List of Abbreviations
11
Ce Safety Practices
13
Description
15
Introduction
15
Basic Configuration
16
System Data Flow
17
Processing Unit Data Flow
18
Channel Data Flow. 1-5
19
Control Storage. 1-7
20
- Main Storage (MS)
  20
System Microprogram. 1-6
20
Control Storage (CS)
21
- Storage Address Register (SAR)
  22
And y Registers
22
Arithmetic Logical Unit (ALU)
22
Micro Operation Register (Mar)
22
- Process Condition Register (PCR)
  22
Storage Data Register (SDR)
22
Local Storage Registers (LSR)
23
Event Indicator Sequence. 1-10
24
Initial System Checkout. 1-10
24
Micro Interrupts. 1-11
25
- System Parity Checking and
  26
  - Parity Generation
    26
I/O Parity Checking and
27
- Generation. 1-13
  27
Operation Retry and Error
28
Locations. 1-15
29
- Board Pin Locations
  30
- Disk Drive
  31
Grounding. 2-1
31
Introduction
31
- Subframe
  31
Theory
31
Disk Enclosure
32
- Disk Spindle
  32
Transducer. 2-2
32
Actuator
33
- Actuator Lock
  33
Actuator Position Indicator
33
Circuitry Location
33
- Disk Description
  34
  - Data Tracks
    34
  - Servo Tracks
    34
Guard Band (GB)
34
Landing Zone (LZ)
34
Motor and Brake . 2-5
35
- Sector Format
  36
- Write Safety
  37
  - Data Unsafe Conditions
    37
  - File Ready
    37
  - Disk Speed
    37
  - Power up
    37
Behind Home
38
Recalibrate Operation
38
Seek Operation
38
Servo Track Following
39
- Card Sockets
  40
- Disk Enclosure (DE)
  42
Disk Drive Motor
44
Old Style Motor
44
New Style Motor
46
Motor Start Relay
48
- Brake Assembly and Brake Coil Assembly
  50
Brake Assembly
52
Motor Antistatic Brush
54
Spindle Antistatic Brush
54
Disk Speed Transducer
55
- Motor Tension Spring
  57
- Shock Mount (Top One)
  58
- Shock Mounts (Bottom Two)
  58
- Cable and Card Locations
  60
- 33Fd Diskette Drive
  63
- Theory
  63
- 33FD Description
  64
Diskette Format
66
- Operating Sequences
  68
  - Initialization
    68
  - Seek
    68
  - Read or Write
    68
Read/Write Circuit Principles
70
Machine Safety
71
- Tools
  71
- Head Cleaning Tools (3.2.10)
  71
Pressure Pad Replacement Kit
71
- Diskette Care
  72
  - Handling
    72
  - Long Term Storage
    72
  - Shipping and Receiving
    72
  - Inserting and Removing the Diskette
    72
33FD Diskette Drive
73
Collet
74
Cover Assembly
74
- Pressure Pad Actuator
  75
- Head and Pressure Pad Cleaning
  75
Latch Assembly
74
Leadscrew Dust Cover (if Installed)
75
Leadscrew and Head Carriage Assembly
76
Drive Motor
77
Belt Tracking
79
Drive Pulley
79
Hub Assembly
79
Idler Assembly
79
Leadscrew Wheel
81
Lower Limit Stop
82
Upper Limit Stop
82
Stepper Motor and Bracket
83
Phototransistor 3:22
84
Light Emitting Diode (LED)
85
File Control Card
86
- Test Points
  86
- File Card Pin Assignment
  86
- File Control Card Socket Pins
  87
Belt Printer
89
Theory
89
Principles of Printing (50, 100, and 1551Pm)
90
Functional Components
93
- (50, 100, and 155 Ipm)
  93
- Type Belt Transducer
  93
- Ribbon Drive
  94
- Type Belt Drive
  94
- Carriage
  95
- Throat
  98
- Paper Clamps
  98
Checking (50, 100, and 155 Ipm)
99
- Forms Jam Check
  99
- Belt Speed Check
  99
- Carriage Sync Check
  99
- Coil Current Check
  99
- Belt Sync Check
  99
- Emitter Check
  99
- Data Check
  99
- Hammer Parity Check
  99
- End of Forms Check
  99
Input/Output Lines
100
- Por/Printer Reset (A)
  100
- Close (+24V) Contactor (A)
  100
- Belt Go (A)
  100
- Belt Motion (P)
  100
- PSS (Subscan) (P)
  100
- IMPSS (Impression Singleshot) (P)
  100
- Fire Hammer (A)
  100
- Carriage Go (A)
  101
  - Stop Ribbon (A)
    101
  - Hammer Check 1-22 (also 23-44 and 45-66 (P)
    101
  - Activate Paper Clamps (A)
    101
  - Carriage Advance (P)
    101
  - Home Pulse (P)
    101
  - Throat Closed Switch (P)
    101
  - Cover Closed Switch (P)
    101
  - Forms Sensed Switch (P)
    101
  - Printer Thermal Switch (P)
    101
  - Circuit Cards (50, 100, and 155 Ipm)
    102
  - Hammer Driver
    102
  - Motors/Solenoid Driver
    102
  - Control Card
    102
Card Gate Connector Details (50, 100, 155 Ipm)
103
Printer Power Plugs (50, 100, and 1551Pm)
103
Pin Reversal in Cables
104
Printer Cover and Divider Removal and Replacement
105
Printer Cover Grounding
105
- Interlock Switch Description
  106
Cover Interlock Switch
106
End-Of-Forms Interlock Switch
107
Print Unit (Throat) Interlock Switch
107
Thermal Switch
108
Fan Assembly
109
Relay (Contactor Kl)
109
Diode 01 Service Check
110
Motor Checkout Procedure (50, 100, and 1551Pm)
111
- Type Belt Motor (50, 100, and 1551Pm)
  111
- Carriage Motor (50, 100, and 1551Pm)
  111
Motor and Paper Clamp Resistor
113
Motor Phase Capacitor (50, 100, and 1551Pm)
113
Print Unit Assembly
114
Print Units with Pivot Screws
114
- Print Units with Pivot Pins
  116
Print Unit Stop Screw
118
Platen Gap (50, 100, and 155 Ipm)
121
- Platen (50, 100, and 1551Pm)
  121
Type Belt (50, 100, and 155 Ipm)
123
- Static Test for Type Belt Binds
  123
- Dynamic Test for Type Belt Binds
  123
Type Belt Drive Pulley Assembly
124
Type Belt Motor '4-37
125
- Type Belt Positioning Rollers
  125
Type Belt Idler Pulley Pivot Assembly
126
Type Belt Idler ~Ulley
126
With Clevis (New Style)
126
Without Clevis (Old Style)
126
Transducer Assembly
127
Transducer
128
Impression Singleshot Potentiometer
129
- (50, 100, and 155 Ipm)
  129
Hammer Flight Time
130
Transducer Position (Character Cutoff)
130
Hammer Coil (50, 100, and 155 Ipm)
131
Hammer (50, 100, and 155 Ipm)
132
Hammer Block Assembly
133
Ribbon Drive Description
134
Ribbon Cassette (50, 100, and 155 Ipm)
135
Ribbon Drive Assembly
135
Ribbon Drive Clutch
136
Ribbon Drive Belt
137
Ribbon Solenoid
138
Ribbon Drag (50, 100, and 155 Ipm) 4·51
139
Ribbon Drive Rolls and Idler Rolls
139
For Ribbon Shields with Guides 4·52
140
For Ribbon Shields Without Guides 4·52
140
Ribbon Tracking (50, 100, and 1551Pm) 4·52
140
Ribbon Shield (50, 100, and 155 Ipm) 4·52.1
141
Tractor Cover 4·53
143
Tractor Drive Shaft 4·53
143
Carriage Tractor/Vernier !Tractor Drive Shaft 4·54
144
Carriage Drive Belt 4·55
145
Carriage Motor 4·55
145
Upper Paper Clamp 4·56
146
Upper Paper Clamp Assembly 4·57
147
Lower Paper Clamp
148
Two Coil Clamp with Two Engaging
149
Single Coil Clamp with One Engaging
151
Clamp Assembly Removal
152
- Clamp with One Engaging Lever) 4·62
  152
Clamp Bar Removal
152
Coil Assembly Removal
152
Forms Tension Assembly
154
Print Units with Pivot Screws and Two
155
Print Units with Pivot Pins and Two Paper
157
Print Units with Pivot Pins and One Paper Clamp Engaging Lever
158
Forms Jam Detection Device
160
Examples of Incorrect Printing (50, 100, and 1551Pm)
161
Lower Forms Guide to Hammer Bar Adjustment
162
- Lower Paper Guide to Hammer Clearance
  162
LOCATIONS (50, 100, and 1551Pm)
163
- Back View
  163
Front View
164
Right Side
165
Left Side
166
- Card Gate (50, 100, and 155 Ipm)
  167
Card and I/O Cables
168
OSCILLOSCOPE FIGURES (50,100, and 1551Pm)
169
Principles of Printing (285 Ipm)
172
- Ribbon Drive
  176
- Type Belt Drive
  176
- Paper Clamps 4·90
  180
Checking (285 Ipm) 4·91
181
- Forms Jam Check 4·91
  181
- Belt Speed Check 4·91
  181
- Carriage Sync Check
  181
- Coil Current Check 4·91
  181
- Belt Sync Check 4·91
  181
- Emitter Check 4·91
  181
- Data Check 4·91
  181
- Hammer Parity Check 4·91
  181
- End of Forms Check 4·91
  181
- Input/Output Lines (285 Ipm) 4·92
  182
  - Por/Printer Reset
    182
  - Belt Go
    182
  - Belt Motion
    182
  - PSS (Subscan
    182
  - IMPSS (Impression Singleshot
    182
  - Fire Hammer
    182
- Circuit Cards (285 Ipm) 4·94
  184
  - Hammer Driver 4·94
    184
  - Motors/Solenoid Driver 4·94
    184
  - Control Card 4·94
    184
- Card Gate Connector Details
  185
- Printer Power Plugs (285 Ipm) 4·95
  185
Pin Reversal in Cables 4·96
186
Printer Cover and Divider Removal and Replacement
187
Printer Cover Grounding
187
Cover Interlock Switch
188
Interlock Switch Description
188
End-Of-Forms Interlock Switch
189
Print Unit (Throat) Interlock Switch
189
Thermal Switch
190
Fan Assembly
191
Relay (Contactor K1)
191
Diode D1 Service Check
192
Motor Checkout Procedure (285Ipm)
193
- Type Belt Motor (285Ipm)
  193
- Carriage Motor (285 Ipm)
  193
Motor Phase Capacitor (285Ipm)
195
- Motor and Paper Clamp Resistor (285Ipm)
  195
Print Unit Assembly (285 Ipm)
196
Print Unit Stop Screw (285 Ipm)
198
Platen Gap (285 Ipm)
199
Platen (285 Ipm)
202
Type Belt (285 Ipm)
203
- Static Test for Type Belt Binds
  203
- Dynamic Test for Type Belt Binds
  203
Type Belt Drive Pulley Assembly
204
Type Belt Motor
205
Type Belt Positioning Rollers
205
Type Belt Idler Pulley (285 Ipm)
206
Type Belt Idler Pulley Pivot Assembly
206
Transducer Assembly (285Ipm)
207
Transducer
208
Hammer Flight Time (285 Ipm)
210
Transducer Position (Character Cutoff)
210
Hammer Coil (285Ipm)
211
Hammer (285Ipm)
213
Hammer Block Assembly (285 Ipm)
214
Ribbon Drive Description
215
Ribbon Cassette (285Ipm)
216
Ribbon Drive Assembly
216
Ribbon Drive Clutch
217
Ribbon Drive Belt
218
Ribbon Solenoid
219
Ribbon Drag (285 Ipm)
220
Ribbon Drive Rolls and Idler Rolls
220
- (285Ipm)
  220
Ribbon Tracking (285 Ipm)
221
Ribbon Shields (285 Ipm)
222
Tractor Cover
224
Tractor Drive Shaft
224
Carriage Tractor/Vernier/Tractor Drive Shaft
225
Carriage Drive Belt
226
Carriage Motor
226
Upper Paper Clamp
227
Upper Paper Clamp Assembly
228
Lower Paper Clamp (285 Ipm)
229
Two Coil Clamp with Two Engaging
230
Single Coil Clamp with One Engaging Lever
232
Clamp Assembly Removal
234
Clamp Bar Removal (Single Coil Clamp with One Engaging Lever)
234
Coil Assembly Removal (Single Coil Clamp with One Engaging Lever)
234
Forms Tension Assembly (285Ipm)
236
Print Units with Two Paper Clamp Engaging Levers
236
Print Units with One Paper Clamp Engaging Lever
238
Forms Jam Detection Device
240
Examples of Incorrect Printing (285Ipm)
241
Lower Paper Guide to Hammer Clearance
242
Back View
243
LOCATIONS (285Ipm)
243
Front View
244
Right Side
245
Card Gate (285Ipm)
247
Card and I/O Cables (285 Ipm)
248
- OSCILLOSCOPE FIGURES (285Ipm)
  249
- Display Unit
  251
Theory
251
- Formation of Characters
  251
Brightness Control
252
Functional Circuits
252
High Voltage Oscillator
252
Horizontal Deflection Control
253
Vertical Line Control
253
- Operation
  254
Video Dot Amplifier
253
Wiggle Sweep Circuit
253
CRT Safety
255
- Protective Equipment
  255
- Cathode Ray Tubes-Safe Handling
  255
- Transportation Handling
  255
- Storage
  255
- Testing
  255
- Defective CRT Disposition
  255
Maintenance
255
Display Assembly
257
Yoke Adjustment
257
Map/Diagnostic Test Display Patterns
258
Introduction
267
- Key Modules
  267
- Key Detection
  267
- Clicker
  267
- Shift. 6-1
  267
- Character Repeat. 6-1
  267
- Character Storage Control. 6-1
  267
Keyboard
267
Theory
267
Input Lines
268
- Basic Oscillator
  268
- Error
  268
- Busy Tone
  268
Output Lines
268
- Kbd Go
  268
- Bit Lines
  268
Key Bit Codes
269
Function Keys
270
Key Module
273
Keyboard Assembly
273
Maintenance
273
Space Bar
273
CODE Key
274
Flyplate Replacement
274
Consoles
275
KEYBD RDY (Keyboard Ready) Light
276
LOAD Key/Light
276
Operator Control Panel
276
- Controls. 7-2
  276
PROC CHK (Processor Check) Light
276
PWR CHK (Power Check) Light
276
- TH CH K (Thermal Check) Light
  276
STOP Key/Light
276
Ce Control Panel
277
MODE SELECTOR Switch
277
- Proc Run
  277
- Insn Step/Dpl y Lsr
  277
- LSR Subdivision and Micro Interrupt Levels
  277
- Al Termar Irpt
  280
- Alterstor
  280
- Dply Stor
  280
- Insn Step/Dpl y Ch Ks
  280
- Insn Step/Dpl y Pcr
  280
- Sys Insn Step
  280
- IMPL-IPL Switches
  280
  - IMPL Switch
    280
  - IPL Switch
    280
PROC INTERRUPT Lights
280
- ADDRESS/DATA DISPLAY/DATA Switches
  281
CLOCK Light
281
DISPLAY INTENSITY Control
281
FORCE CLOCK Switch
281
- CHECK Switch
  281
- CE START Key
  281
- LAMP TEST Switch
  281
ADD COMP Switch
282
- RUN Position
  282
- STOP Position
  282
PWR FAULT DPL y Switch and DPLY PWR CHK Key
282
Feature Switches
283
- COMM DPL Switch
  283
- Power Supplies
  285
High Frequency and Trilevel Power Supplies
285
Introduction
285
Power Sequence and Distribution
286
Power on Sequence
287
Power off Sequence
288
- Voltage Sense and Power Fault Display
  290
Control Voltage Checkout
291
- Manual Bring-Up of the Multilevel, Dual Level, and Trilevel Supplies
  292
Overcurrent Fault
291
Power Faults
291
- Thermal Switches and Faults
  291
- Overvoltage Fault
  291
Undervoltage Fault
291
Power Sequence Card Pins and Test Points
294
Power Supply Plug and Pin Locations
295
Terminal Board Locations and Pins
296
Ferro Resonant Power Supplies
297
Introduction
297
Power Sequence and Distribution
298
Power on Sequence
299
Power off Sequence
300
Voltage Sense and Power Fault Display
302
- Power Faults
  303
Control Voltage Checkout
303
Overcurrent Fault
303
Overvoltage Fault
303
Thermal Switches and Faults
303
Undervoltage Fault
303
Manual Bring-Up of the DC Power
304
Power Supply Voltages
304
- Power Sequence Card Pins and Test Points
  305
Power Supply Plug and Pin
306
- Terminal Board Locations and Pins
  307
Introduction
309
Serial Printer
309
Theory
309
Functional Components
310
Stepper Motors
310
Print Head Carrier
311
Forms Feed
317
Circuit and Power
320
Maintenance
321
Printer Cover
321
Separating the Printer from the
322
- Power Supply
  322
Platen and Paper Deflector
324
Platen Gears
325
Platen Release Eccentrics
325
Platen Pressure Rolls
326
Forms Tractor Unit
327
Forms Tractor Unit Chain Cover
327
Forms Tractor Unit Chain
328
Platen Gear Backlash
328
Forms Feed Motor Gear Backlash
329
Forms Feed Motor/Emitter
329
Forms Feed Motor/Emitter
330
Forms Feed Emitter Disk
331
Forms Feed Motor/Emitter
332
A-Frame
333
End-Of-Forms Switch (Old Style)
334
End-Of-Forms Switch (New Style)
335
Print Emitter Pickup
337
Print Emitter
338
Print Emitter Hold down Bracket
338
Left Margin
339
Power Supply Board
340
Capacitor C3
341
Fan
342
Power Transformer
342
Carrier and Main Shaft
344
Carrier Main and Support Shafts
344
Carrier Support Shaft
345
Carrier Drive Belt
346
Carrier Leaf Spring and Bearing
347
Print Stepper Motor
347
Print Head
348
Print Head Forms Guide
348
Print Head Retract Ramp
348
Print Head Cable
349
- Felt and Wick Service
  352
Print Head Ribbon Lifter
352
Print Head Ribbon Shield
352
Ribbon Drive Clutches
353
- Ribbon Drive Shaft
  354
Ribbon Drive Lines
354
Ribbon Feed Rolls
354
- Ribbon Box and Cover
  356
Ribbon Changing
356
Front and Right Side Locations
357
Locations
357
Front and Left Side Locations
358
- Bottom Locations
  359
- Power Supply Board Locations
  361
Print Quality Problems
362
- Data Communications
  367
- Introduction
  367
Data Communications Abbreviations
367
- BSCA/SDLC Locations
  368
- 1200 Bps Integrated Modem
  368
- Transmit Level Adjustment
  371
WT PSN Line Plate and Cable Connections
371
Card Strapping
374
- Auto-Answer Basic Card (a 1)
  374
- Equalizer Card (a 1)
  374
- Auto-Answer Interface Card (B2)
  375
2400 Bps Integrated Modem
376
Controls and Indicators
376
- Test/Operate Diagnostic
  378
- OPERATE Switch
  384
- CADUCEE Feature
  384
- Transmit Level Limiting and Signal Meter Adjustment
  384
Dial Tone Detect
385
- Interface Signal Timings
  386
Card Population Check and Card Strapping Procedure
387
Preamplifier Strapping
389
- Transmitter Interface Strapping
  390
Test/Operate, Timing Options Strapping
392
- SNBU Strapping
  395
Auto-Answer Interface and Strapping
396
Leased Line, Multipoint or Point-To-Point Strapping
397
CADUCEE Feature Card Strapping
398
Wave Forms
399
Modem Cabling to Common Carrier
405
Modem Control Lines
407
Appendix A. Numbering Systems
409
Binary and Hexadecimal
409
- Conversion
  409
Binary Number Notation
409
Hexadecimal Numbering System A-L
409
Hexadecimal and Decimal Conversion
410
Appendix B. Stepper Motors
411
Printer Stepper Motors
411
Stepper Motor Characteristics
411
Stepper Motor Operation
411
First Advance Pulse a B
412
- Adapter
  412
Second Advance Pulse AB
413
Third Advance Pulse AB
413
System/32 Installation and Configuration
415
- Disk Drive
  416
- 33FD Diskette Drive
  417
- Belt Printer
  417
- Forms Stand
  418
- Display Unit
  418
- Keyboard
  418
- Power Sequence
  418
- Bsca/Sdlc
  419
- Integrated Modem Installation Data Table
  421
- Power on Checks and Testing
  422
- I/O Features
  423
- To Complete the Installation
  423
- Appendix C. Installation
  424
Scp System Configuration and Installation
424
- Diskettes Required
  424
- System Configuration Steps C-L0
  424
- INIT Procedure
  425
- BACKUP Procedure
  426
- APPLYPTF Procedure
  427
- CNFIGSCP Procedure
  427
Index
429

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