Electrical Adjustment; Power Supply Block (Tp-61 Board) - Sony DVP-F5 Service Manual

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In making adjustment, refer to 6-4. Adjustment
Related Parts Arrangement.
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) Remote controller for adjustment
RMT-D100E (1-475-086-31) or
RMT-D101J
6) DVD standard disk
HCX510
HCX511
7) Extension Cable
(J-6090-101-A)
7-1. POWER SUPPLY BLOCK
(TP-61 Board)
1. Power Supply Check
Mode
Instrument
TE
L 13942296513
13 V Check
Instrument
Specifications
REG 7.5 V Check
Instrument
Specifications
−5 V Check
Instrument
Specifications
−12 V Check
Instrument
Specifications
Checking method
1) Input 10 Vdc in De IN and confirm that each voltage satisfies
the specifications.
2. 5V Power Supply Adjustment (TP-61 Board)
Mode
Measurement Point
Instrument
Adjustment element
Specifications
www
Adjustment method
1) Input 10 Vdc in DC IN.
2) Connect the digital voltmeter to JL1105.
Adjust RV1101 to attain 5.05 ± 0.01 V.
3)
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ELECTRICAL ADJUSTMENT

(1-475-219-11) (1-475-219-21)
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Digital voltmeter
JL1103
13 V
JL1104
7.5 V ± 0.1 V
JL1106
−5.0 V ± 0.1 V
JL1107
-12.0 V ± 0.1 V
E-5
JL1105
Digital voltmeter
RV1101
5.05 V ± 0.01 V
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SECTION 7
8
3. Charge Voltage Adjustment (MB-90 Board)
Mode
Measurement Point Between JL501 3 and JL503 #
Instrument
Adjustment element RV501
Specifications
Connection
Adjustment method
1) Input 10 Vdc in DC IN.
Adjust RV501 to attain 8.43 V ± 0.05 V.
2)
4. Over Discharge Battery Protective Circuit Check
(MB-90 Board)
Mode
Measurement Point
Instrument
Q Q
3 6 7 1 3
Specifications
Connection
Checking method
Confirm that the voltage between JL501 3 and JL503 # is
1)
7.0 ± 0.5 V.
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7-1
2 9 9 4 2 8
CHG "30" is forced to be set in test mode
Digital voltmeter
8.43 V ± 0.05 V
Voltmeter
+
JL501
–
JL503
105Ω
"32" → "31" in test mode
(charge operation OFF)
Between JL501 3 and JL503 #
Digital voltmeter
7.0 V ± 0.5 V
1 5 0 5 8 2 9 9 4
Voltmeter
+
JL501
–
JL503
105Ω
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DVP-F5/FX1
9 9
2 8 9 9