Electrical Adjustment; Power Supply Output Voltage Check - Sony DVP-NS508P Service Manual

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/D185A/D185P)
(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-NS47P/NS57P/NS508P/NS64P/NS67P/NS608P
SECTION 7

ELECTRICAL ADJUSTMENT

7-1. POWER SUPPLY OUTPUT VOLTAGE
Mode
Instrument
EVER+5V Check
Test point
Specification
SW+3.3V Check
Test point
Specification
SW+5V Check
Test point
Specification
SW+8V Check
Test point
Specification
EVER+11V Check
Test point
Specification
EVER–10V Check
Test point
Specification
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.
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
+1.0
11.0
–0.5
CN201 pin q;
+0.5
–10.0
–1.0
Vdc
Vdc
Vdc