1 Safety Precautions
GENERAL GUIDELINES
1.
IMPORTANT SAFETY NOTICE
There are special components used in this equipment
which are important for safety. These parts are marked by
in the Schematic Diagrams, Circuit Board Layout,
Exploded Views and Replacement Parts List. It is
essentialthat these critical parts should be replaced with
manufacturer’s specified parts to prevent shock, fire, or
other hazards. Do not modify the original design without
permission of manufacturer.
2. An Isolation Transformer should always be used during the
servicing of AC Adaptor whose chassis is not isolated from
the AC power line. Use a transformer of adequate power
rating as this protects the technician from accidents
resulting in personalinjury from electrical shocks. It will also
protect AC Adaptor from being damaged by accidental
shorting that may occur during servicing.
3. When servicing, observe the original lead dress. If a short
circuit is found, replace all parts which have been
overheated or damaged by the short circuit.
4. After servicing, see to it that all the protective devices such
as insulation barriers, insulation papers shields are properly
installed.
5. After servicing, make the following leakage current checks
to prevent the customer from being exposed to shock
hazards.
LEAKAGE CURRENT COLD CHECK
1. Unplug the AC cord and connect a jumper between the two
prongs on the plug.
2. Measure the resistance value, with an ohmmeter, between
the jumpered AC plug and each exposed metallic cabinet
part on the equipment such as screwheads, connectors,
control shafts, etc. When the exposed metallic part has a
return path to thechassis, the reading should be between 1
M
Ω
and 5.2 M
Ω
. When the exposed metal does not have a
return path to the chassis, the reading must be infinity.
LEAKAGE CURRENT HOT CHECK
(See Figure 1.)
1. Plug the AC cord directly into the AC outlet. Do not use an
isolation transformer for this check.
2. Connect a 1.5 k
Ω
, 10 W resistor, in parallel with a 0.15 µF
capacitor, between each exposed metallic part on the set
and a good earth ground, as shown in Figure 1.
3. Use an AC voltmeter, with 1 k
Ω
/V or more sensitivity, to
measure the potential across the resistor.
4. Check each exposed metallic part, and measure the
voltage at each point.
5. Reverse the AC plug in the AC outlet and repeat each of the
above measurements.
6. The potential at any point should not exceed 0.75 V RMS.
A leakage current tester (Simpson Model 229 or equivalent)
may be used to make the hot checks, leakage current must
not exceed 1/2 mA. In case a measurement is outside of
thelimits specified, there is a possibility of a shock hazard,
and the equipment should be repaired and rechecked
before it is returned to the customer.
Figure. 1
3
VDR-M95PP / VDR-M75PP / VDR-M55PP / VDR-M53PP
Summary of Contents for VDR-M75PP
Page 5: ...3 About Lead Free Solder PbF 5 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 7: ...5 How to Recycle the Lithium Battery 7 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 9: ...6 2 Specifications 9 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 10: ...10 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 11: ...6 3 Compatibility of Recorded Discs 11 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 19: ...8 2 Problem Guide 19 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 25: ...8 3 Messages and Troubleshooting 25 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 34: ...8 4 Display of Error Codes and Troubleshooting 34 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 36: ...8 4 3 Major error codes and troubleshooting 36 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 38: ...8 4 4 Cleaning disc and optical pickup 38 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 40: ...8 5 2 Updating firmware 40 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 46: ...8 6 2 Reassembly to enable service position 46 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 54: ...8 8 2 System reset procedure 54 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 56: ...8 9 1 Forced initialization of DVD RAM 56 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 57: ...8 9 2 EEPROM data backup and write 57 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 63: ...9 3 Disassembly 63 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 82: ...10 Adjustment 10 1 Creating Reference Data 82 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 86: ...10 1 4 Settings when Creating Reference Data 86 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 90: ...10 1 7 Creating Reference Data 90 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 95: ...10 2 5 Setting for Adjustment 95 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 97: ...10 2 6 Starting and Terminating Adjustment Program 97 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 104: ...10 4 2 Video Level 104 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 105: ...10 4 3 Burst Level 105 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 106: ...10 4 4 Autofocus 106 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 107: ...10 4 5 Auto Iris Control 10 4 6 Sampling Pulse 107 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 108: ...10 4 7 Linearity VDR M95 only 108 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 109: ...10 4 8 Matrix 109 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 110: ...10 4 9 Chroma Gain 110 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 112: ...10 4 10 Spot Noise 112 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 113: ...10 4 11 LCD 113 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
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Page 133: ...14 Exploded Views 14 1 Main Parts Section 133 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 134: ...14 2 LCD 134 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 135: ...14 3 VDR M95 Camara 14 4 VDR M75 Camera 135 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 136: ...14 5 VDR M55 M53 Camera 136 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 137: ...14 6 VDR M95 Packing and Accessory Parts 137 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
Page 138: ...14 7 VDR M75 M55 M53 Packing and Accessory Parts 138 VDR M95PP VDR M75PP VDR M55PP VDR M53PP ...
