22
CFD-G555CP/G555CPK
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 IC701 pin
4
and pin
qa
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)
Test Point:
– CD/MP3 Board (Side B) –
RF level :
0.85
±
0.2 Vp-p
VOLT/DIV : 50 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.
Q701
R701
R702
R703
R704
R705
R706
R707
R708
R709
R711
R
R719
R722
R729
R730
R745
C701
C703
C705
C706
C740
C710
C711
C712
C713
C714
C716
C717
C718
C719
C720
C745
C750
C751
C721
R710
R731
R755
R756
R757
R758
R759
R724
R725
R726
R727
R728
C708
C746
C742
C743
C744
R763
R764
R723
IC7
CNP701
M701
C704
C723
C707
C715
C709
TP
(RF)
TP
(VC)
CD/MP3 board (side B)
L3,CT3
AM TRACKING ADJUSTMENT
L1,CT1
FM TRACKNG
ADJUSTMENT
L2
FM FREQUENCY
COVERAGE
ADJUSTMENT
L4
AM FREQUENCY COVERAGE
ADJUSTMENT
TP-ANT
(JW2)
L3
IC1
CT3
CT1
L4
L2
T2
T1
L1
– TUNER BOARD (Component Side) –
TP
(GND)
TP
(CV)
TP-ANT
JW2
– TUNER BOARD (Conductor Side) –
T1
AM IF
ADJUSTMENT
T2
FM IF
ADJUSTMENT
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299