DVP-F21 - Sony DVD Service Manual (repair manual). Page 73

Note:

During diagnostic check, the characters and color bars
can be seen only with the NTSC monitor. Therefore, for
diagnostic check, use the monitor that supports both
NTSC and PAL modes.
Use the reference disc for PAL for check, and use the
reference disc for NTSC for adjustment.

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

1)

Color monitor TV

2)

Single or dual trace oscilloscope, band width over 100 MHz,
with delay mode

3)

Frequency counter (over 8 digits)

4)

Digital voltmeter

5)

Standard commander (RMT-D126A/D126E/D126P)

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)
HLX-506 (J-6090-077-A) (single layer) (PAL)
HLX-507 (J-6090-078-A) (dual layer) (PAL)

7)

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

8)

Extension Cable (J-6090-107-A)

Mode

E-E

Instrument

Digital voltmeter

1

 EVER +3.3 V Check

Test point

JL708

Specification

3.3 

±

 0.1 Vdc

2

 SW +3.3 V Check

Test point

JL710

Specification

3.3 

±

 0.2 Vdc

3

 +5 V Check

Test point

JL709

Specification

5.0 

±

 0.3 Vdc

4

 SW +11 V Check

Test point

JL706, JL707

Specification

10.5 

±

 0.5 Vdc

5

 EVER +5 V Check

Test point

JL711

Specification

5.0 

±

 0.2 Vdc

6

 SW –11 V Check

Test point

JL705

Specification

–11.0 

±

 1.0 Vdc

7

 +1.8 V Check

Test point

JL713

Specification

1.8 

±

 0.1 Vdc

1)

Confirm that each voltage satisfies the specification.