Download  Print this page

Electrical Adjustment; Power Supply Check; Srv1246juc Board - Sony DVP-NS305 Service Manual

Cd/dvd player with remote rmt-d141a/d142a/d142o/d142p.
Hide thumbs

Advertisement

In making adjustment, refer to 7-3. Adjustment Related
Parts Arrangement.
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-D126J)
6)
DVD reference disc
HLX-501 (J-6090-071-A) (dual layer)
HLX-503 (J-6090-069-A) (single layer)
HLX-504 (J-6090-088-A) (single layer)
HLX-505 (J-6090-089-A) (dual layer)
7)
SACD reference disc
HLXA-509 (J-6090-090-A)
8)
Extension Cable (J-6090-107-A)
DVP-NS305/NS310/NS315/NS405/NS410/NS415
SECTION 7

ELECTRICAL ADJUSTMENT

7-1. POWER SUPPLY CHECK

1.
Mode
Instrument
EVER +3.3 V Check
Test point
Specification
SW +3.3 V Check
Test point
Specification
+5 V Check
Test point
Specification
SW +11 V Check
Test point
Specification
EVER +11 V Check
Test point
Specification
EVER –13 V Check
Test point
Specification
Checking method:
1)
Note
Because the heatsink installed on the power supply board is a part of the
primary side, never touch it to avoid electrical shock.
7-1

SRV1246JUC Board

E-E
Digital voltmeter
CN201 pin qa
3.5 ± 0.2 Vdc
CN201 pin 8
3.3 ± 0.2 Vdc
CN201 pin qs
5.0 ± 0.3 Vdc
CN201 pins 6, 7
11.0 ± 1.0 Vdc
CN201 pin qd
11.0 ± 1.0 Vdc
CN201 pin 3
–13.0 ± 1.0 Vdc
Confirm that each voltage satisfies the specification.

Advertisement

Table of Contents

   Related Manuals for Sony DVP-NS305

Comments to this Manuals

Symbols: 0
Latest comments: