Sony HCD-FR1 Service Manual page 80

HCD-FR1/FR8/FR9
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[TEST DISC LIST]
Use the following test disc on test mode.
TDV-520CSO (DVD-SL) : PART No. J-2501-236-A
LUV-P01 (CD) : PART No. 4-999-032-01
TDV-540C (DVD-DL) : PART No. J-2501-235-A
Note: Do not use exiting test disc for DVD.
AUTO SERVO ADJUSTMENT
After parts related to the servo circuit (RF amplifier (IC001), DSP
(IC401), motor driver (IC501), EEPROM (IC302) so on) and optical
pick-up (DBU-1) are replaced, re-adjusting the servo circuit is
necessary. Select "ALL" at "1. DRIVE AUTO ADJUSTMENT"
(Refer to page 4 in TEST MODE) and adjust DVD-SL (single layer),
CD and DVD-DL (dual layer).
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SECTION 2
ELECTRICAL ADJUSTMENT
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