Datron 1062 - Page 5

II
Section
Title
Page
3.9
FRONT PCB
ASSEMBLY
42
3.9.1
Analog
Input
Signals
42
3.9.2
Display Signals
42
3.9.3
Keyboard
Data
Encode
42
3.9.4
Keyboard
LED Data
Decode
43
3.10
DISPLAY
DRIVER
ASSEMBLY
45
3.10.1
Write
Mode
45
3.10.2
Read Mode
45
3.11 IEEE DIGITAL
INTERFACE
46
3.11.1
ROM
Circuit
46
3.11.2
Interface
Circuit
46
3.12
BCD DIGITAL
INTERFACE
3.12.1
RAM/ROM
Circuit
3.12.2
Interface
Circuit
3.13 REAR
(POWER SUPPLY)
PCB
ASSEMBLY
48
3.13.1
General
3.13.2
180V Supply
48
3.13.3 5V
Supply
48
3.13.4
±15V
Supply
48
3.14
SELF TEST
SEQUENCE
48
4
INTERNAL ADJUSTMENT
PROCEDURES
51
4.1
ALTERATION
OF LINE
VOLTAGE AND
FREQUENCY
51
4.1.1
Changing Line
Voltage
51
4.1.2
Changing Line
Frequency
51
4.2
BATTERY
REPLACEMENT
51
4.3
POST-REPAIR PROCEDURES
51
4.3.1 Basic DC
Instrument
52
4.3.2
Ohms Assembly
5^
4.3.3
AC
Assembly (Option 10)
54
4.3.4 AC
Assembly
(Option
12)
55
APPENDIX 1
ANALOG
DATA LINE
'F.E.T.'
PATTERNS
57