Read Sony DVP-NS425P Service Manual online
7-1
7-1. POWER SUPPLY CHECK
Mode
E-E
Instrument
Digital voltmeter
EVER +5.0 V Check
Test point
CN201 pin qa
Specification
5.0 ± 0.3 Vdc
SW +3.5 V Check
Test point
CN201 pin 0
Specification
3.4 ± 0.2 Vdc
SW+5 V Check
Test point
CN201 pin qs
Specification
5.0 ± 0.3 Vdc
SW + 8 V Check
Test point
CN201 pin 5, 6
Specification
8.0 ± 0.5 Vdc
EVER + 8 V Check
Test point
CN201 pin qd
Specification
8.0 ± 0.5 Vdc
EVER –15.5 V Check
Test point
CN201 pin 2
Specification
–15.5 ± 1.0 Vdc
Checking method:
1) Confirm that each voltage satisfies the specification.
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.
Because the heatsink installed on the power supply board is a
part of the primary side, never touch it to avoid electrical shock.
SECTION 7
ELECTRICAL ADJUSTMENT
DVP-NS425P
This section describes procedures and instructions necessary for
adjusting electrical circuits in this set.
adjusting electrical circuits in this set.
Instruments required:
1) Digital voltmeter
1) Digital voltmeter
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