IBM System/32 Introduction And Maintenance Manual page 7

5.4.3
5.4.4
6.0.0
6.1.0
6.1.1
6.1.2
6.1.3
6.1.4
6.2.0
6.3.0
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
7.0.0
7.1.0
7.1.1
7.1.2
7.1.3
7.1.4
7.1.5
7.1.6
7.1.7
7.1.8
7.2.0
7.2.1
(
Yoke Adjustment
MAP/Diagnostic Test Display Patterns
KEYBOARD
THEORY
Introduction
Key Modules
Key Detection
Clicker
Shift.
Character Repeat.
Character Storage Control.
Input Lines
Basic Oscillator
Repeat Oscillator.
Error.
Busy Tone
Output Lines
Kbd Go .
Input Lines
Bit Lines
Key B it Codes.
FUNCTION KEYS
MAINTENANCE.
Keyboard Assembly.
Key Module
Space Bar
Flyplate Replacement
CODE Key.
CONSOLES
OPERATOR CONTROL PANEL
CONTROLS.
LOAD Key/Light
START Key/Light
POWER ON/OFF Switch
STOP Key/Light .
KEYBD RDY (Keyboard Ready) Light
PROC CH K (Processor Check) Light
PWR CH K (Power Check) Light.
TH CH K (Thermal Check) Light.
CE CONTROL PANE L .
MODE SELECTOR Switch
PROC RUN
INSN STEP/DPL Y LSR
I
I
\
LSR Subdivision and Micro Interrupt
Levels
AL TERMAR IRPT
ALTER STOR
DPLY STOR
INSN STEP/DPL Y CH KS
Processing Unit Error Byte
(High-Order) .
Port Error Byte (Low-Order Byte)
INSN STEP/DPL Y PCR
SYS INSN STEP.
(
5-7
5-8
6-1
6-1
6-1
6-1
6-1
6-1
6-1
6-1
6-1
6-2
6-2
6-2
6-2
6-2
6-2
6-2
6-2
6-2
6-3
6-4
6-7
6-7
6-7
6-7
6-8
6-8
7-1
7-2
7-2
7-2
7-2
7-2
7-2
7-2
7-2
7-2
7-3
7-3
7-3
7-3
7-3
7-4
7-4
7-4
7-5
7-5
7-5
7-5
7-5
"
7.2.2
IMPL-IPL Switches 7-6
IMPL Switch 7-6
IPL Switch. 7-6
7.2.3 PROC INTERRUPT Lights 7-6
7.2.4 RESET Key 7-6
7.2.5
ADDRESS/DATA DISPLAY/DATA
Switches 7-7
7.2.6
CLOCK Light. 7-7
7.2.7
FORCE CLOCK Switch 7-7
7.2.8
CHECK Switch 7-7
7.2.9
CE START Key 7-7
7.2.10
LAMP TEST Switch.
7-7
7.2.11
DISPLAY INTENSITY Control 7-7
7.2.12
STO R SE L Switch
7-7
7.2.13
PWR FAULT DPL Y Switch and DPLY
PWR CHK Key 7-8
7.2.14
ADD COMP Switch 7-8
RUN Position.
7-8
STOP Position
7-8
7.2.15
Feature Switches 7-9
COMM DPL Switch
7-9
8.0.0
POWER SUPPLIES
8-1
8.1.0
HIGH FREQUENCY AND TRILEVEL
POWER SUPPLIES 8-1
8.1.1
Introduction
8-1
8.1.2
Power Sequence and Distribution 8-2
8.1.3
Power On Sequence . 8-3
8.1.4
Power Off Sequence. 8-4
8.1.5
Voltage Sense and Power Fault Display 8-6
8.1.6
Power Faults 8-7
8.1.6.1
Thermal Switches and Faults. 8-7
8.1.6.2
Overvoltage Fault 8-7
8.1.6.3
Undervoltage Fault 8-7
8.1.6.4
Overcurrent Fault 8-7
8.1.7
Control Voltage Checkout. 8-7
8.1.8
Manual Bring-Up Of The Multilevel,
Dual Level, And Trilevel Supplies . 8-8
8.1.9
Power Supply Voltages. 8-9
8.1.10
Power Sequence Card Pins And Test
Points 8-10
8.1.11
Power Supply Plug And Pin
Locations. 8-11
8.1.12
Terminal Board Locations And Pins 8-12
8.2.0
FERRO RESONANT POWER
SUPPLIES 8-13
8.2.1
Introduction 8-13
8.2.2
Power Sequence And Distribution 8-14
8.2.3
Power On Sequence . 8-15
8.2.4
Power Off Sequence. 8-16
8.2.5
Voltage Sense And Power Fault
Display
8-18
8.2.6
Power Faults 8-19
8.2.6.1
Thermal Switches and Faults . 8-19
8.2.6.2
Overvoltage Fault 8-19
Contents vii