Sanyo MCH-900F Service Manual page 10

iii
CD
PLAYER ADJUSTMENTS
d. PREPARATIONS
(a) Measuring instruments, tools and fiiterr
(1)
(2)
(3)
(4)
(5)
Test disc. : YEDS 18 (SONY) or etc.
Oscilloscope : SS5711 (10 MHz or dual-phenomenon)
or Memory scope : DSS6521 (Storagescope)
Screwdrivers (non-metallic) for adjustments
Low Pass Filter (L. P. F.)
Resistor, Carbon 2.2 K ohm, l/4W
e. PARTS LOCATION
1
S1606g
OPEN ICLOSE
In I
.#f
:
Adjustment Measuring Service
Input
output
Adjustment
Item instrument Mode connection connection
location
Adjustment value
(a) Tracking
Oscilloscope
YES
TP 131 :TE
—
SVR12
Waveform symmetry
balance L.P.F.
TP132:VC A =B 1.5 Vp-p
(b) Checking
Check be sure that the "eye"
J1479 : RF
_
the "eye" Oscilloscope
–
—
pattern is at the center of the
TP 132:VC
pattern
waveform and that the dia-
mond shape is clearly defined
-9-