Electrical Adjustment; Power Supply Check; Hs-930Su Board - Sony RMT-D107A Service Manual

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
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) Rremote commander (RTM-D107A)
6) DVD reference disc
HLX-501 (J-6090-071-A) (dual layer)
HLX-503 (J-6090-069-A) (single layer)
7) Extension cable (J-6090-079-A)
MB-84 (CN601) ↔ FL-107 (CN153)
SECTION 7

ELECTRICAL ADJUSTMENT

7-1. Power Supply Check

1. HS-930SU Board

Mode
Instrument
+5.2 V Check
Test point
Specification
+3.3 V Check
Test point
Specification
EVER+5 V Check
Test point
Specification
P_CONT Check
Test point
Specification
AU +12 V Check
Test point
Specification
AU –12 V Check
Test point
Specification
–12 V Check
Test point
Specification
MTR +12 V Check
Test point
Specification
Checking method:
1) Confirm that each voltage satisfies the specification.
7-1
DVP-S7700
E-E
Digital voltmeter
CN201 1 pin
5.2 ± 0.2 Vdc
CN201 4 pin
3.3 ± 0.2 Vdc
CN201 6 pin
5.4 ± 0.2 Vdc
CN201 8 pin
4V – 5 Vdc
CN201 9 pin
+1.0
12 Vdc
–2.0
CN201 !¡ pin
+2.0
–12 Vdc
–1.0
CN201 !™pin
+2.0
–12 Vdc
–1.0
CN201 !¢pin
+1.0
12 Vdc
–2.0