Maintenance; Introduction; Cabinet Removal - HP 606A Operating And Service Manual

Model 606A
SECTION IV
MAINTENANCE
4-1. INTRODUCTION.
4-2. This section contains instructions for adjusting
and servicing the Model 606A Signal Generator. In
addition it contains a performance check suitable for
incoming or quality- control inspection. The perform-
ance check does not require cabinet removal or in-
ternal adjustments.
4-3. CABINET REMOVAL.
a. Disconnect the power cord from the receptacle.
b. Remove the four screws on the rear cover of
the cabinet and remove the rear cover.
Section IV
Paragraphs 4-1 to 4-3
c. Unplug the inner chassis power cord from the
rf filter box mounted in the cover.
d. Tip the unit up on its back.
e. Loosen the two screws on the bottom of the
cabinet which clamp the cabinet to the front panel.
(Do not remove any screws from the front panel.)
f. Lift the cabinet off the instrument.
CAUTION
When the cabinet is removed, dangerous
voltages are exposed. Take adequate safety
precautions.
OUTPUT CAL
R37
MOD CAL
R67
MODULATION
CHASSIS
OUTPUT
ATTENUATOR
C4I
XTAL
CALIBRATOR
MOD
OSC
SET
R5I
-
200V SET
RI26
(ADJUST FROM FRONT)
MAX
CARRIER
SET
R60
MP- 5
.1
950
MOD
ZERO SET
R69
CARRIER
ZERO SET
R35
OSC
LEVEL
R3
RF OSCILLATOR
CHASSIS
RF AMPLIFIER
CHASSIS
REMOVE THIS
TERMINAL BOARD
TO CONVERT TO 230V
Figure 4-1. Location Diagram Model 606A
00170-2 4 - I