Sony MP3 User Manual download pdf (Page 13)

2-1 (E)

AC-DN2B

2-1. Preparations

Equipment Required

. Electric Load

Hewlett-Packard HP6051A + HP60501B

. DC Voltmeter

Connection

Section 2

Electrical Alignment

2-2. Output Voltage Adjustment

Preparation

. Set the electric load to 9 A in the CC (constant current)

mode.

Test Points : Pins (+), (_)/5P terminal

Adj. Point : 1VR251 (SUB02 board)

Specifications : 16.7 ± 0.3 V

SUB02 board (B side)

2-3. Note after Adjustment

After adjustment has been completed, be sure to lock

1VR251 with paint.

Lower cover

DC Voltmeter

(+)

(_)

Electric Load

VR251

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Sony MP3 User Manual Page 13