7-1
SECTION 7
ELECTRICAL ADJUSTMENT
DVP-NC60K/NC62K
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-D178A/RMT-D178P)
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)
7-1.
POWER SUPPLY OUTPUT VOLTAGE
CHECK
Mode
Except standby
Instrument
Digital multimeter
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.
Caution!
Please do not touch any electrical parts at primary circuit to avoid
electrical shock.
+0.5
–1.0
+1.0
–0.5
+0.3
–0.2
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