– 14 –
Adjustment Location: main board
FH1
ANTENNA
TERMINAL
AM
TRACKING
ADJUSTMENT
TP (VT)
JW13
L4
L2
FM
FREQUENCY
COVERAGE
ADJUSTMENT
FM
TRACKING
ADJUSTMENT
CT1
L1
L3
CT2
– MAIN BOARD (COMPONENT SIDE) –
CD SECTION
CD section adjustments are done automatically in this set.
In case of operation check, confirm that focus bias.
1. Connect the oscilloscope between IC701 pin
#£
(TP RFO) and
2. Insert the disc (YEDS-18). (Part No. : 3-702-101-01)
3. Press the
4. Confirm that the oscilloscope waveform is as shown in the
• RF signal reference waveform (eye pattern)
π
Test Point:
RF level :
1.3
±
0.5 Vp-p
VOLT/DIV : 200 mV (10 : 1 probe in use)
TIME/DIV : 500 nS
When observing the eye pattern, set the oscilloscope for AC range
and raise vertical sensitivity.
TP (RFO)
– CD board (conductor side) –
TP (RFO)
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