Electrical Adjustment; Power Supply Check - Sony DVP-F25 Service Manual

In making adjustment, refer to 7-3. Adjustment Related
Parts Arrangement.
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 voltmeter
5) Standard commander (RMT-D151A/D151E)
6) DVD reference disc
HLX-501 (J-6090-071-A) (dual layer)
HLX-503 (J-6090-069-A) (single layer)
HLX-504 (J-6090-088-A) (single layer)
HLX-505 (J-6090-089-A) (dual layer)
7) SACD reference disc
HLXA-509 (J-6090-090-A)
8) Extension Cable (J-6090-107-A)
All manuals and user guides at all-guides.com
SECTION 7

ELECTRICAL ADJUSTMENT

7-1

7-1. POWER SUPPLY CHECK

ZSSR216GA (US,Canadian,Mexico)
ZSSR216HA (Except: US,Canadian,Mexico)
Mode E-E
Instrument Digital voltmeter
SW +1.8 V Check
Test point CN201 pin qg
+0.1
Specification 1.8
–0.15
SW +3.3 V Check
Test point CN201 pin 8
Specification 3.4 ± 0.2 Vdc
SW +5 V Check
Test point CN201 pin qf
Specification 5.0 ± 0.2 Vdc
EVER +5 V Check
Test point CN201 pin qs
Specification 5.0 ± 0.2 Vdc
SW +11 V (M) Check
Test point CN201 pin 6,7
Specification 11.0 ± 1.0 Vdc
SW +11 V (AU) Check
Test point CN201 pin 9
Specification 11.0 ± 1.0 Vdc
SW –8 V Check
Test point CN201 pin 3
Specification –8.3 ± 0.8 Vdc
Checking method:
1) Confirm that each voltage satisfies the specification.
DVP-F25
Vdc