Zenith Z-100 Series, User Manual

Page: 123 / 150

Page 5-5
Modifications
NOTES:
1. I f y o u d etermined that you must replace the
p ower s u p p l y , p r o c ee d t o " Removin g t h e
Power Supply."
N OTE: Because th e C o m p u te r m a y n o t r e q u i r e a l l
of the following modifications, you will occasionally
b e given a l t e r n at iv e d i r e c t i o ns. B e s u r e t o f o l l o w
t hese directions careful l y .
R efer to Il l u s tration B o ok , Page 23, Pictorial 5-3 f o r
the following steps.
• Rem ov e t h e l o c k i ng pins from locations AF and
AG and th e f ou r 4 8
x ' / 8 " self-tapp in g screw s
from locations AE, AG, AH, and AK. Set this
hardware aside,
2. I f y o u d o not have to replace the power sup-
ply, skip "Removing the Power Supply" and
p roceed directly to " D i sassembly Conti n u e d . "
REMO V ING THE POWER SUPPLY
Refer to Pictorial 5-4 for the foll o w i n g steps.
• Rem o v e t h e f o u r P6 x >/ 4 " sheet metal screws
f rom l o c a ti on s A A , A B , A C , a n d A D a n d s e t
them aside.
• Care f u l ly l i ft t he drive subassembly up and to
t he front o f t h e C o m p u ter ab ou t 2 i n c h e s an d
s et it back dow n .
• Unp lu g the flat cable from each disk drive.
• D i sco n n e c t t h e p o w e r c a b l e f r o m e a c h d i s k
• R em ov e t h e 6 - 3 2 x V~ " s c r e ws a nd P 6 l o c k -
w ashers f ro m l o c a t i on s A E a n d A F a n d s e t
them aside.
drive.
• L if t u p o n th e dr i v e s u b a s sembly a n d s e t i t
aside.
• I f th er e i s a m e t a l b r a c k et s e curi ng t h e f r o n t
of the power supply, you may remove and dis-
c ard it . I t w i l l n o t b e r e q u i r e d f o r t h e n e w
power supply.
6-32 x I/4
SCREW
MIE TA L
BRACKET
t 't6 LOCKWAS HER
i g y
Ch
CHASS IS
Itlq)(
~ ~ llll
6
5 gj
w6 x I/4"
SHEET METAL
SCREW
4
Pictorial 5-4
Power supply removal