Electrical Adjustment; Power Supply Check - Sony DVP-NS715P Service Manual

Sacd/dvd player and remote control
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In making adjustment, refer to 7-6. Adjustment
Related Parts Arrangement.
Note: During diagnostic check, the characters and color bars can
be seen only with the NTSC monitor. Therefore, for diag-
nostic check, use the monitor that supports both NTSC and
PAL modes.
Use the reference disc for PAL for check, and use the refer-
ence disc for NTSC for adjustment.
This section describes procedures and instructions necessary for
adjusting electrical circuits in this set.
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-D145A)
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)
HLX-506 (J-6090-077-A) (single layer) (PAL)
HLX-507 (J-6090-078-A)(dual layer) (PAL)
7) SACD reference disc
HLXA-509 (J-6090-090-A)
8) Extention Cable (J-6090-107-A)
TE
L 13942296513
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ELECTRICAL ADJUSTMENT

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SECTION 7
2 9
8

7-1. POWER SUPPLY CHECK

1. HS12S1U Board
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
Q Q
3
6 7
1 3
1 5
Checking method:
1) Confirm that each voltage satisfies the specification.
! Caution
Never touch the heat sink that is the primary part. It is feared that
you may get an electric shock.
co
.
7-1
DVP-NS715P
9 4
2 8
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 pin 6, 7
11.0 ± 1.0 Vdc
CN201 pin qd
11.0 ± 1.0 Vdc
CN201 pin 3
–13.0 ± 1.0 Vdc
0 5
8
2 9
9 4
2 8
m
9 9
9 9

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