
DSD0503043C3
DMR-EH50GN
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0 COVER
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1 Safety precautions
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1_1 General guidelines
1_1_1 Leakage current cold check
1_1_2 Leakage current hot check (See Figure 1
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2 Prevention of Electrostatic Discharge (ESD) to Electrostatic Sensitive (ES) Devices
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3 Precaution of Laser Diode
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4 Handling the Lead-free Solder
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4_1 About lead free solder (PbF)
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5 Each Button
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6 New Feature
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6_1 Quick start function(REC)
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7 Taking out the Disc from RAM-Drive Unit when the Disc cannot be ejected by OPEN/CLOSE
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7_1 Forcible Disc Eject
7_1_1 When the power can be turned off.
7_1_2 When the power can not be turned off.
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7_2 When the Forcible Disc Eject can not be done.
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8 Service Explorer
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9 Self-Diagnosis and Special Mode Setting
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9_1 Self-Diagnosis Functions
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9_2 Special Modes Setting
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9_3 Service Modes
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10 Assembling and Disassembling
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10_1 Disassembly Flow Chart
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10_2 P.C.B. Positions
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10_3 Top Case
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10_4 Front Panel
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10_5 SD Card P.C.B.
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10_6 Digital P.C.B.
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10_7 DVD-RAM Drive
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10_8 HDD
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10_9 LED P.C.B.
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10_10 Power P.C.B.
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10_11 Rear Panel
10_11_1 Fan Motor
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10_12 Front (L) P.C.B.
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10_13 Main P.C.B.
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10_14 Tuner P.C.B. and Nicam Decoder P.C.B.
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11 Service Fixture and Tools
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12 Service Positions
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12_1 Checking and Repairing of Power P.C.B.
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12_2 Checking and Repairing of Digital P.C.B.
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12_3 Checking and Repairing of Main P.C.B.
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12_4 Checking and Repairing of DVD-RAM Drive
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12_5 Checking and Repairing of HDD
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13 Caution after replacing parts
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13_1 After replacing the RAM Drive with new one
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13_2 When the unit does not operate normally after replacing the Timer Microprocessor or M
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14 Standard Inspection Specifications after Making Repairs
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15 Voltage and Waveform Chart
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15_1 Power P.C.B.
Содержание DMR-EH50GN
Страница 1: ...ORDER NO DSD0503043C3 DVD Video Recorder DMR EH50GN Vol 1 Colour S Silver Type ...
Страница 7: ...3 Precaution of Laser Diode ...
Страница 9: ...5 Each Button ...
Страница 12: ......
Страница 30: ......
Страница 33: ...12 3 Checking and Repairing of Main P C B ...
Страница 34: ...12 4 Checking and Repairing of DVD RAM Drive ...
Страница 35: ...12 5 Checking and Repairing of HDD ...
Страница 36: ......
Страница 43: ...Ref No MODE E C B REC 3 8 1 2 3 1 PLAY 3 8 1 2 3 1 STOP 3 8 1 2 3 1 Q7802 ...
Страница 58: ...1 A B C 2 3 4 DMR EH50GN Main P C B VEP79107K 1 4 Section Location Map REAR 1 4 2 4 3 4 4 4 FRONT ...
Страница 59: ...5 6 7 8 DMR EH50GN Main P C B VEP79107K 2 4 Section 1 4 2 4 3 4 4 4 Location Map FRONT REAR ...
Страница 60: ...D E F DMR EH50GN Main P C B VEP79107K 3 4 Section 1 4 2 4 3 4 4 4 Location Map FRONT REAR ...
Страница 61: ...DMR EH50GN Main P C B VEP79107K 4 4 Section 1 4 2 4 3 4 4 4 Location Map FRONT REAR ...
Страница 63: ...1 A B C D 2 3 4 5 Tuner Pack P C B DMR EH50GN Tuner Pack P C B VEP07A77C ...
Страница 64: ...1 A B C D F 2 3 4 5 LED P C B Front L P C B DMR EH50GN LED P C B VEP70116B Front L P C B VEP70115A ...
Страница 65: ...1 A B C D 2 3 4 5 Nicam Decoder P C B DMR EH50GN Nicam Decoder P C B VEP07A51A ...
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