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< CD SECTION >
1. Focus Bias Adjustment
Make the focus bias adjustment when replacing and repairing
the optical block.
1) Connect an oscilloscope to the test point TP3 (RF) and TP4
(VREF).
2) Turn on the power switch.
3) Insert test disc TCD-782 (YEDS-18) and play back the second
composition.
4) Adjust SFR430 so that RF signal of the test point TP3 (RF) is
MAX and CLEAREST.
Oscilloscope
(DC range)
TP3 (RF)
TP4 (VREF)
+
-
EYE PATTERN
must be CLEAR and MAX
MAX
VOLT / DIV: 200mV
TIME / DIV: 0.5
µ
s
0V
< DECK SECTION >
2. Bias Adjustment
•
Test tape: TTA-630
•
Test Point: TP2
•
Adjustment location: L801
•
Method:
L801 .............................................................. 85kHz
±
2kHz
3. Azimuth Adjustment
Settings:
• Test tape: TTA-320
• Test point: PHONE JACK
• Adjustment location: Azimuth adjustment screw
Method:
Play back the test tape and adjust the screw so that the
output is maximum.
L801
TP2
3
2
SFR430
TP3
IC404
IC401
TP4
1
1
A MAIN C.B
B CD C.B
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Summary of Contents for CSD-A210
Page 10: ...10 SCHEMATIC DIAGRAM 2 CD 2 2 All manuals and user guides at all guides com...
Page 12: ...12 SCHEMATIC DIAGRAM 3 FRONT All manuals and user guides at all guides com...
Page 14: ...14 SCHEMATIC DIAGRAM 4 TUNER All manuals and user guides at all guides com...
Page 16: ...16 IC BLOCK DIAGRAM All manuals and user guides at all guides com a l l g u i d e s c o m...
