Sony CDP-3100 - Page 50

SECTION 3
ELECTRICAL ADJUSTMENTS
This section describes the adjustments/checks that must be
carried out when the mechanism deck assembly or AU-183
board has been replaced.
3-1, PREPARATIONS
Equipment and tools used
Equipment Used
=
(Minimum)
Oscitloscope Frequency range:
DC-150 MHz
Precision: 5 mV/div,
2 phenomena
Audio analyzer
(Distortion analyzer) _
or equivalent
Tools Used
[Name PartNo. | Remarks |
=
Tmorec | id
CDP-3100
3-2. CHECK AFTER MECHANISM ASSEMBLY
REPLACEMENT
Carry out the following check when the mechanism deck
assembly has been replaced.
Carry it out with the mechanism deck assembly attached to
the unit.
Note:
e Adjusting VRs (RV1 and RV2) of SV-145 board
(mechanism deck assembly)
Because precision adjustment is carried out on the
SV-145 board (mechanism deck assembly) before it is
supplied, its adjusting VRs (RV1 and RV2) need not be
adjusted.
Therefore, never move them.
Equipment and Tool
Oscilloscope
Test disc (YEDS-18)
Preparation
e Open the AU-183 board.
3-1 (E)