CD PICKUP MAINTENANCE
About pick-up (Optical lens) Cleaning
Clean the lens with the specified cleaning disc or moisten a cotton swab with isopropyl alcohol and cleaning paper.
Specified cleaning disc: LC-1 (Part code: 645 026 1961 ..... manufactured by SANYO.)
Regarding procedure of cleaning with moisten cotton swab, please refer to the attached as follows.
1. Cotton swab wrapped with Cleaning paper
2. Add the isopropyl alcohol
3. Gently move the tip of cotton swab just like a draw a whirlpool from inside to outside on the surface of lens.
CD PLAYER ADJUSTMENTS
1.
PREPARATION
Measuring instruments, tools and filter
1. Test disc. : YEDS 18 (SONY) or etc.
2. Oscilloscope : SS5711 (1 OMHZ or dual-phenomenon) or
Memoryscope : DSS6521 (Storagescope)
3. Screwdrivers (non-metallic) for adjustments
2. INITIALIZATION OF RVIO1
I
I
v
d
VR101 Initialization position
3. PARTS LOCATION
EYE PATTERN
“ (-)
VR101
TRACKING
Oscilloscope [
. . . . . . . . . .
BALANCE
(+) [
— (-) j
Oscilloscope
TRACKING
BALANCE
CN101
TEST POINT
TP4(VC)
-11-
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