Datron 1061 - Page 5

Section
¡i¡
Title
Page
. .423.9
FRONTPCBASSEMBLY
..
3.9.1
Analog lnput
Signals
3.9.2
Display
Signals
42
42
42
43
45
45
45
46
46
46
47
47
47
48
48
48
48
48
48
51
51
51
51
51
51
52
53
54
55
57
3.9.3
Keyboard
Data
Encode.
3.9.4
Keyboard
LED
Data
Decode.
.
'
3.10
DISPLAY
DRIVER
ASSEMBLY
.
. .
3.10.1
Write Mode
3.10.2
Read Mode.
3.11
IEEE
DIGITAL INTERFACE
. .
. .
. . .
3.11.1
ROM Circuit.
3.11.2
lnterface Circuit
3.12
BCD
DIGITAL INTERFACE.
.
. . .
3.12.1
RAM/ROM
Circuit
3.12.2
lnterface Circuit
3.13
REAR
(POWER
SUPPLY)
PCB
ASSEMBLY . . .
3.13.1
General ....
3.13.2
180V
Supply
3.13.3
5V Supply
3.13.4
+15V
Supply
3.14
SELF TEST SEOUENCE
4
o
INTERNAL
ADJUSTMENT PROCEDURES
. . . .
4.1
ALTERATION OF LINE VOLTAGE AND FREOUENCY
. .
4.1.1
Changing Line Voltage
4.1.2
Changing Line Frequency
. . .
4.2 BATTERY
REPLACEMENT.
. .
4.3
POST.REPA¡R
PROCEDURES
4.3.1
4.3.2
4.3.3
4.3.4
Basic DC
lnstrument
OhmsAssembly...
AC Assembly
(Option
10).
.
AC Assembly
(Option
121.
.
APPENDIX 1 ANALOG
DATA
LINE 'F.E.T.'PATTERNS