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I was very skeptical of this website, I have never downloaded manuals before. I put it on the AMEX and payed through Paypal to ensure protection. I got the manual exactly as described and now I can replace the filter capacitor for this amp. Great Price, others selling for 12.99 or more and this is the same manual. I will search out this website for other manuals. Thank you
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Manual was reasonably easy to follow. I am not an engineer or know much about electronics but with the manuals help I was able to figure out the problem, identify the part required for the repair. Replacement part cost around $30. Whilst replacing the part I was telling myself, "this aint gonna work cos it seems far too easy". Took about 15 minutes to do and my plasma TV works a treat. Would never have been able to do this without the service manual.
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It is OK, this manual help me to repair my dynacord
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Good manual. Even it is an old printed manual, it is well scanned and complete, with all drawings, schematics and parts list. Very good return for the cost.
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I'm very satisfied with my purchase. It resolved my problem. Owner-manuals.com is a very very good place.
Thank you!
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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
D
E
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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