DVP-NS765P - Sony DVD Service Manual (repair manual). Page 80

7-1

This section describes procedures and instructions necessary for
adjusting electrical circuits in this unit.

Instruments required:
1)

Color monitor TV

2)

Oscilloscope 1 or 2 phenomena, band width over 100 MHz,
with delay mode

3)

Frequency counter (over 8 digits)

4)

Digital voltmeter

5)

Standard commander (RMT-D167P)

6)

DVD reference disc
HLX-501 (J-6090-071-A) (dual layer) (NTSC)
HLX-503 (J-6090-069-A) (single layer) (NTSC)
HLX-504 (J-6090-088-A) (single layer) (NTSC)
HLX-505 (J-6090-089-A) (dual layer) (NTSC)

7)

SACD reference disc
HLXA-509 (J-6090-090-A)

8)

Extention Cable (J-6090-107-A)

Mode

E-E

Instrument

Digital voltmeter

EVER +5 V Check

Test point

CN201 pin 4

Specification

5.0 ± 0.3 Vdc

SW +3.3 V Check

Test point

CN201 pin 5

Specification

3.35 ± 0.2 Vdc

SW+5 V Check

Test point

CN201 pin 6

Specification

5.0 ±        Vdc

SW +8 V Check

Test point

CN201 pin 1

Specification

8.0 ± 0.5 Vdc

EVER +11 V Check

Test point

CN201 pin 3

Specification

11.0 ±        Vdc

EVER –10 V Check

Test point

CN201 pin q;

Specification

–10.0 ±        Vdc

Checking method:
1)

Confirm that each voltage satisfies the specification.

Note
Because the heatsink installed on the power supply board is a part of
the primary side, never touch it to avoid electrical shock.

   

     

+0.5
–1.0

+1.0
–0.5

+0.2
–0.3