Advertisement
CD PLAYER CHECKING PROCEDURES
A
.
W
A
V
E
E
/
F
B
A
.
W
A
V
E
E
/
F
B
1) Test Point : VC, TS10.
2) Test Disc : Sony Test CD Type 3.
3) Test Equipment :
Scope
: DC 0.2 V 0.5 ms.
4) Test Mode : Play Sony CD, Type 3, Track 1, Press FF.
(Fast Forward), Adjust VR401 Until A=B (as Figure Bellow).
Figure A
B. FOCUS-BIAS ADJUSTMENT
1) Test Point : VC RFO.
2) Test Disc : Sony Test CD, Type 3.
3) Test Equipment :
: DC 0.5 V 0.5 μs.
Scope
A
L
A
N
C
E
A
D
J
U
S
T
A
L
A
N
C
E
A
D
J
U
S
SCOPE : DC POSITION
SCOPE : AC POSITION
M
E
N
T
T
M
E
N
T
A
B
Advertisement
