DIGITAL CLOCK MODEL CLK100
GEKCO INC.
Rev 1.1
15
5.2.
Main Circuit Board
Figure 5: Main Board Completed Assembly
Figure 6 Main Board Top View 1
( )
C3: 0.1 uF (104) radial-lead ceramic
capacitor
( )
C4: 0.1 uF (104) radial-lead ceramic
capacitor
( )
C5: 0.1 uF (104) radial-lead ceramic
capacitor
Figure 7: Main Board Top View 2
( )
C1: 22 pF (22) radial-lead ceramic
capacitor
( )
C2: 22 pF (22) radial-lead ceramic
capacitor
( )
C6: 10 uF radial-lead electrolytic
aluminum capacitor
Figure 8: Main Board Top View 3
( )
Y1: Crystal HC49 16 MHz
For the next step, be careful to position the end
with the dot or line towards the “square pad”
and tapered outline on the circuit board. After
you solder the first pin make sure the pins are
fully seated in their holes, solder the rest of the
pins to the foil.
( )
RN1: 10 k
Ω
103 resistor pack.
NOTE: When you install the diode, be sure to
orient the diode correctly. Always match the
band on the diode with the band mark on the
Содержание CLK100
Страница 29: ...DIGITAL CLOCK MODEL CLK100 GEKCO INC Rev 1 1 29 Figure 25 Display Board Bottom Side...
Страница 30: ...GEKCO DIGITAL CLOCK P N CLK100 ASSEMBLY OPERATION MANUAL 30 REV 1 1 GEKCO INC 14 Schematic Main Board...
Страница 31: ...DIGITAL CLOCK MODEL CLK100 GEKCO INC Rev 1 1 31 15 Schematic Display Board...