RD-M52MD/M72MD
ADJUSTMENT
CD section
NO. ITEM INPUT SETTINGS OUTPUT SETTINGS CD PLAYER SETTINGS ALIGNMENT ALIGN FOR FIG.
TEST MODE : While pressing the CD PLAY/PAUSE key ,plug the power cord into the AC power wall output. Load the TEST DISC. [1] LASER CURRENT CHECK Test disc type 4 Connect the DC voltmeter between 3 and 4 of CN4 on X29. Connect an oscilloscope as follows. CH1:RF(X29, CN4, 1) GND:VC(X29, CN4, 2) Connect an oscilloscope as follows. CH1:RF(X29, CN4, 1) GND:VC(X29, CN4, 2) Note: � Type 4disc: SONY YEDS -18 Test Disc or equivalent. � Keep the step of adjustment. Press the PLAY/PAUSE key to check that the display is 03 or05. 50±20mA
[2]
FOCUS ERROR BIAS (Set up vertically) FOCUS ERROR BIAS (Set up horizontally)
Test disc type 4
Press the PLAY/PAUSE key . Confirm that the display is 05. Press the PLAY/PAUSE key . Confirm that the display is 05.
