Sony ICF-C795RC Service Manual page 8

Adjustment Location:
– MAIN BOARD (Component Side) –
L5 AM VCO Voltage Adjustment
L4 FM VCO Voltage Adjustment
T1
AM IF Adjustment
L3
FM Tracking Adjustment
ANTENNA SECTION
Antenna Adjustment
Setting:
loop antenna
SSG
Frequency:
77.5 kHz
Modulation:
no modulation
Procedure:
1. Set a SSG.
2. Connect an oscilloscope to TP451 and TP452 on the AN-
TENNA board.
3. Adjust L451 on the ANTENNA board for a maximum wave-
form level on the oscilloscope.
TC1 AM Tracking Adjustment
TC3
ANTENNA board
oscilloscope
TP451
(DC range)
+
antenna
unit –
Probe: 10:1,
ANTENNA board
TP452
– MAIN BOARD (Conductor Side) –
TP (VT)
Adjustment Location:
– ANTENNA BOARD (Conductor Side) –
10 M Ω
– 8 –
TP (SP+)
TP (SP GND)
TP (FM GND)
TP (FM-IN)
L1
AM Tracking Adjustment
TP452
L451
TP451
Antenna
Adjustment