HP (Hewlett-Packard) 181A Water Dispenser User Manual


 
Chapter 3 Replacing Assemblies
To Remove the Cover
3-4 Assembly-Level Service Guide
3
To Remove the Cover
The following steps are for removing the cover. The cover is removed to
access the board and cable assemblies, and all other internal parts.
WARNING WHEN THE COVER IS REMOVED FROM THE INSTRUMENT,
LINE VOLTAGES ARE EXPOSED WHICH ARE DANGEROUS AND
MAY CAUSE SERIOUS INJURY IF TOUCHED. DISCONNECT
POWER.
1 Turn off the Counter and remove power cord.
2 To remove the rear bezel, loosen the captive screws on the sides
as shown in Figure 3-1 using the TORX 15 screwdriver.
Figure 3-1. Rear Bezel Removal
WARNING:
NO OPERATOR SERVICEABLE PARTS INSIDE, REFER SERVICING TO SERVICE TRAINED PERSONNEL.
WARNING:
FOR CONTINUED FIRE PROTECTION, USE SPECIFIED ˜ LINE FUSE.
1
Ext
Arm
Ref
In
I
N
P
U
T
S
!
AC LINE:
10 MHz Out
60 VA
100 - 120 VAC
200 - 240 VAC
50/60/400 Hz
50/60 Hz
OPTIONS
001 MS Oven 010 HS Oven
SERIAL PLATE
To Configure:
Hold Recall during turn-on.
Osc Adjust
RS - 232
ISM 1-A
92
FOR LABORATORY USE BY
QUALIFIED PERSONNEL
FOUR USAGE EN LABORATOIRE
PAR PERSONNEL QUALIFIE
HP-IB
Talk Only
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