1. Connect the DC voltmeter to VDD(+) and GND on the P.C.B..
2. Connect the AC adaptor cord to the DC IN port (or use the full-
recharged rechargeable battery, a new article batteries) and load
the test disc (SZZP1054C).
3. Select the EQ key in “OFF” position with the test disc is to be
playing by pressing the
button. Next to it, press the
(OPR
OFF) button and be in TOC reading situation.
4. Adjust VR11 on the P.C.B. at 2.45+/- 0.02V (EQ switch in “ Normal ”
position), as shown in .
8.2. Check of Play Operation
*Checking Skip Search
1. Play an ordinary musical program disc.
2. Press the skip button to check for normal skip search operation
(in both the forward and reverse directions).
*Checking Manual Search
1. Play an ordinary musical program disc.
2. Press the manual search button to check for smooth manual
search operations at either low or high speed (in both the forward
and reverse directions).
*Checking Playability
1. Play the 0.7 mm black dot and the 0.7 mm wedge on the
playability test disc (SZZP1054C) and verify that no sound skip or
noise occurs.
2. Play the middle tracks of the uneven test disc (SZZP1056C) and
verify that no sound skip or noise occurs.
9. Outline of 40-Second Sound Keeper Technique
Used for Prevention of Sound from Skipping
17
Summary of Contents for SLCT570 - PORT. CD PLAYER
Page 7: ...5 Operation Checks and Component Replacement Procedures 7 ...
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Page 37: ...P1 RPK1332 PACKING CASE S 1 S GH 37 ...
Page 41: ...17 Packaging 41 ...