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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 multimeter
(5)
Standard commander (RMT-D175A/D175P)
(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)
DVP-NS28/NS38/NS39/NS47P/NS57P/NS64P/NS67P
SECTION 7
ELECTRICAL ADJUSTMENT
7-1. POWER SUPPLY OUTPUT VOLTAGE
Mode
Instrument
EVER +5 V Check
Test point
Specification
SW +3.3 V Check
Test point
Specification
SW+5 V Check
Test point
Specification
SW +8 V Check
Test point
Specification
EVER +11 V Check
Test point
Specification
EVER –10 V Check
Test point
Specification
Checking method:
(1)
Caution!
Please do not touch any electrical parts at primary circuit to avoid
electrical shock.
7-1
CHECK
Except standby
Digital multimeter
CN201 pin 4
5.0 ± 0.3 Vdc
CN201 pin 5
3.35 ± 0.2 Vdc
CN201 pin 6
+0.2
5.0
–0.3
CN201 pin 1
8.0 ± 0.5 Vdc
CN201 pin 3
11.0
CN201 pin q;
–10.0
Confirm that each voltage satisfies the specification.
Vdc
+1.0
Vdc
–0.5
+0.5
Vdc
–1.0
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