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There are currently no product reviews.
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The document was usefull, and it was exactly what I was looking for.
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OK?..manual is complet and helpfull... for repairing such a old and rare boombox like JVC PCM it is necessary...
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Super Anleitung. Ordentliche Auflösung. Das ganze noch in Deutsch wäre zu schön. Alle Datenblätter sind sauber Kopiert und alle Leitungswege sind sauber ausgeführt
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Thanks God for the internet and thanks for the service like this - proffessional solution on time.
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About the service it's very fast and reliable. About the manual the quality is high enough to read even the tiniest details on the wiring diagrams so you can't ask much more than that, let it alone for a manual of a product from 20 years ago. Thank you, very satisfied.
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Charged Section
The places where the commercial AC power is used without passing through the power supply transformer. If the places are touched, there is a risk of electric shock. In addition, the measuring equipment can be damaged if it is connected to the GND of the charged section and the GND of the non-charged section while connecting the set directly to the commercial AC power supply. Therefore, be sure to connect the set via an insulated transformer and supply the current.
High Voltage Generating Point
The places where voltage is 100 V or more besides the live parts are described above. You must not touch them, since there is risk of electric shock. The VSUS voltage remains for several minutes after the power to the unit is turned off. These places must not be touched until about 10 minutes after the power is turned off, or it is confirmed with a tester that there is no residual VSUS voltage. 1. POWER SUPPLY Unit.....................................................(223V) 2. 50 X DRIVE Assy ...........................................(�230V to 223V) 3. 50 Y DRIVE Assy ...........................................................(353V) 4. 50 SCAN A Assy ............................................................ (353V) 5. 50 SCAN B Assy ............................................................ (353V) 6. X CONNECTOR A Assy ................................(�230V to 223V) 7. X CONNECTOR B Assy ............................... (�230V to 223V) Discharge the VSUS voltage, as shown below: [Method for discharging the VSUS voltage] 1. Set DRF_SW on the DIGITAL VIDEO Assy to ON (Drive OFF status). �1, �2 2. Leave the switch at that position for about 20-30 seconds. 3. If the power is on, turn it off. Then return DRF_SW to the OFF position. �3 Notes �1: You can also set the unit to "Drive OFF status" by sending the "DRF" RS232C command from the PC. �2: DRF_SW can be switched whether the power is on or off. �3: Power-down will occur if DRF_SW is set to OFF while the power is on. (See "7.1.5 POWER ON/OFF FUNCTION FOR THE LARGE-SIGNAL SYSTEM".)
POWER SUPPLY Unit 50 X DRIVE Assy X CONNECTOR B Assy
A
1. Power Cord 2. AC Inlet with Filter 3. Power Switch (S1) 4. Fuse (In the POWER SUPPLY Unit) 5. STB Transformer and Converter Transformer (In the POWER SUPPLY Unit) 6. Other primary side of the POWER SUPPLY Unit
B
C
50 inch model
: Part is Charged Section. : Part is the High Voltage Generating Points other than the Charged Section. 50 SCAN B Assy 50 Y DRIVE Assy
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50 SCAN A Assy
Power Switch (S1)
AC Inlet with Filter
X CONNECTOR A Assy Power Cord
F
Fig.1 Charged Section and High Voltage Generating Point (Rear view)
PDP-504CMX/1
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