Hammond X-5 - Page 102

Step Test &
Test Point Adjust
Oscilloscope or
Other
Indication
Fig.
Main
Amplifier
16 (a}
Preparations
Across Ext. Sp. Out
Connection as Fig 10, 11
10
W
Test
Point Pot. VR1
on Sot 10mV, and about
afteral 11
R26 on PW-27(B) PW-271B)
Board Minute
35mV
+
5mV
Note: Set VR1 to
Stop
at lOmV Po
turn
left,
and
turn right.
(c)
Across Ext. Sp. Out
Input: 0.3V rms.
(1000Hz) Output: 16V
10
Note: Confirm that Output
Wave Form is normal or
not.
Id]
Test
Point
GND
+
Vcc
GMD
+ Vcc
+
30V
-
+
35V DC
-30V
-
-35V DC
c
EXT. SP.
OUT
MONI roR SPEAKER
o o