Global Specialties 1332A User Manual
Page 6

LOCATION AND DESCRIPTION OF
OPERATING CONTROLS
In order to use the full capabilities of the 1332A, it is highly
recomended that the user become familiar with the
controls associated with this instrument. (See Figure 1)
Figure 1. Location of operating controls.
1-Power ON/OFF switch.
7-Current Fine Control Clockwise
rotation increases variable output
current in CC mode.
2-Supply LED Display.
8-CV LED
Display Voltage 0 to 32VDC Constant Voltage mode Indication
3-Supply LED Display.
9-CC LED
Displays current 0 to 5AMP.
Constant Current Mode Indication
4-Variable coarse voltage control. 10-Output terminals
Clockwise rotation increases Red terminal is output (+)ve.
variable o/p voltage in CV mode. Black terminal is output (-)ve.
5-Variable fine voltage control. 11-Ground terminal.
Clockwise rotation increases
variable output voltage in CV mode.
6-Current coarse Control.
Clockwise rotation increases variable
output current in CC mode.
4
PCB Components
ZSDT-CT/05 PCB
=======================================================================
Ref Designator
Value
========================================================================
R37
2K, MFR, 1/4W, 5%
R38
1K, MFR, 1/4W, 5%
R39
1K, MFR, 1/4W, 5%
R40
4.7K, MFR, 1/4W, 5%
R41
330K, MFR, 1/4W, 5%
R42
100E, MFR, 1/4W, 5% (I CAL)
R43*
3.9K, MFR, 1/4W, 5% (I CAL)
R44
1K, MFR, 1/4W, 5%
R45
1K, MFR, 1/4W, 5%
R46*
10K, MFR, 1/4W, 5% (V CAL)
R47*
100E, MFR, 1/4W, 5% (V CAL)
R48
2K, MFR, 1/4W, 5%
R49
Shorting Link
R50
Shorting Link
R51
10E, MFR, 1/4W, 5%
R59
10E, MOR, 2W
PRESETS
PR101
5K, PRE, LIN, (V)(DEV. DROP)
PR102
500E, PRE, LIN, (V)(V CAL)
PR103
500E, PRE, LIN, (V)(I CAL)
CAPACITORS
C1
0.1µF/100V, MP
C2
0.1µF/250VAC MKP
C3
15,000µF/50V ELE
C4
0.1µF/50V, MP 10%
C5
33µF/50V, ELE
C6
100µF/50V, ELE
C7
100µF/50V, ELE
C8
1µF/50V, ELE
C9
4.7µF/50V, ELE
C10
10µF/50V, ELE
C11
100µF/50V, ELE
C12
47µF/50V, ELE
C13
1kpF/50V, CD
C14
1kpF/50V,.CD
C15
0.1µF/50V, CD
C16
10µF/50V, ELE
C17
10µF/50V, ELE
C18
0.1µF/50V, CD
C19
220µF/50V, ELE
15