Electrical Adjustments; Power Supply Check; Board - Sony RMT-D122A Service Manual

Sacd/dvd player
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In making adjustment, refer to 7-4. 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-D122A/D122E/D122O/D122P)
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)
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L 13942296513
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ELECTRICAL ADJUSTMENT
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SECTION 7
2 9
8

7-1. POWER SUPPLY CHECK

1. AC-113 Board
Mode
Instrument
EVER + 5 V Check
Test point
Specification
Checking method:
1) Confirm that each voltage satisfies the specification.
2. PS-436 Board
Mode
Instrument
D + 3.3 V Check
Test point
Specification
Checking method:
1) Confirm that each voltage satisfies the specification.
3. PS-437 Board
Mode
Instrument
Q Q
V + SW7 V Check
3
6 7
1 3
1 5
Test point
Specification
V + 5 V Check
Test point
Specification
V –5 V Check
Test point
Specification
+ 12 V Check
Test point
Specification
+ 10 V Check
Test point
Specification
A + 5 V Check
Test point
Specification
Checking method:
1) Confirm that each voltage satisfies the specification.
co
.
7-1
DVP-S9000ES
9 4
2 8
E-E
Digital voltmeter
CN106 pin 4
5.3 ± 0.3 Vdc
E-E
Digital voltmeter
"CN307 pin 3, 4"
3.3 ± 0.2 Vdc
E-E
Digital voltmeter
0 5
8
2 9
9 4
2 8
CN201 pin 1
7 ± 0.5 Vdc
CN201 pin 4
5.3 ± 0.3 Vdc
CN201 pin 2
7 ± 0.5 Vdc
CN201 pin 5
12 ± 0.5 Vdc
"CN203 pin 6, 7"
10.5 ± 1.0 Vdc
CN203 pin 3
5.3 ± 0.3 Vdc
m
9 9
9 9

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