TM5-6675-326-14
6–14.4 Replace Front Display PC Board - Continued
d.
Loosen setscrews holding DECIMAL, ACCU, and X MEMORY switch
knobs to front panel. Remove knobs.
e.
Remove three locknuts and washers from front panel.
L i f t o f f
f r o n t p a n e l.
Remove defective front display PC board.
INSTALLATION:
a.
Place front panel on new front display PC board.
R e i n s t a l l
three washers and locknuts to front panel.
b .
Reinstall DECIMAL, ACCU, and X MEMORY knobs on front panel.
Tighten setscrews to secure.
c .
Reconnect front panel ribbon cables J101 and J102 to main
logic PC board.
d .
Reinstall front panel on auto-scaler frame.
Secure with four
screws.
e .
R e i n s t a l l t o p o n a u t o - s c a l e r .
Secure with four washers and
screws.
6-14.5 Replace Rear Input PC Board
PERSONNEL REQUIRED:
1 Special electronic devices repairer MOS 35E
TOOLS :
3 / 1 6 - i n . f l a t - t i p s c r e w d r i v er
N o . 2 c r o s s - t i p s c r e w d r i v er
MATERIALS/PARTS:
Rear input PC board
6-155
