Power Supply Alignment - Sony AV-3600 Service Manual

SECTION
8
POWER
SUPPLY ALIGNMENT
8-1.
POWER
SUPPLY
ADJUSTMENT
5.
Adjust
R610
for
a
reading of 9
volts dc.
Test Point:
Adjust
for:
Adjustment:
TP-601
+28V
dc
R604
(B+
SET)
Signal
Source:
None
required
Equipment
Required:
Procedure:
(1)
VOM
(2)
Variac or adjustable
transformer
1.
Set the ac input voltage to
117
volts,
using the
Variac or adjustable transformer.
2.
Connect
the
VOM
between TP-601 and
ground.
3.
Adjust
R604
for a
reading of
28
volts dc.
(For Sets bearing
Serial
No. 12,201
and
higher*)
Fig. 8-1.
A
chassis
mark
*
These
sets are identified
by
the
letter
"A"
stamped
on
the
chassis as
shown.
4.
Connect
the
VOM
between TP-602 and
ground.
-8-1