Cd Section - Sony D-F200 Service Manual
Fm/am portable cd player
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Also See for D-F200:
- Operating instructions manual (24 pages) ,
- Specification sheet (2 pages)
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D-F200/F201
Adjustment Location:
CD SECTION
CD section adjustments are done automatically in this set.
In case of operation check, confirm that focus bias.
FOCUS BIAS CHECK
1. Connect the oscilloscope between TP603 (RF) and GND on
main board.
2. Insert the disc (YEDS-18). (Part No. : 3-702-101-01)
3. Press the N X button.
4. Confirm that the oscilloscope waveform is as shown in the
figure below. (eye pattern)
A good eye pattern means that the diamond shape (
center of the waveform can be clearly distinguished.
• RF signal reference waveform (eye pattern)
VOLT/DIV : 20 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.
8
– MAIN BOARD (SIDE A) –
CN501
AM IF ADJ
T1
TP3
RF-IN
L3
L1
CT3 L4
AM TRACKING
ADJ
D602
) in the
RF level :
0.45 ± 0.1 Vp-p
CT1
FM TRACKING ADJ
L2
TP81
VT
IC51
Test Point:
– MAIN BOARD (SIDE B) –
30
FB601
31
C621
IC601
60
61
R451
R615
R452
R653
R612
TP630
TP33
1
120
TP606
TP410
91
TP412
90
C610
C613
C609
TP626
C612
R606
TP601
TP605
TP627
C611
TP602
TP604
R604
TP603
RF
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