PS Audio Power Plant Premier Manual de usuario
4826 Sterling Drive, Boulder, CO 80301 PH: 720.406.8946 FX: 720.406.8967
SERVICE MANUAL Power Plant Premier
Serial numbers PPP-7J and earlier
APPLICABLE PRODUCTS
Document # 11-037-01-1-DSM-A Released 01/08
4826 Sterling Drive, Boulder, CO 80301 PH: 720.406.8946 FX: 720.406.8967
1) Place the unit upside down on a well protected working surface.
2) Tape the side panels so they are not damaged during disassembly and reassembly.
Make sure the tape is stopped before the back panel
3) Remove the 4 corner screws from the back panel
BASIC DISASSEMBLY PROCEDURE
4826 Sterling Drive, Boulder, CO 80301 PH: 720.406.8946 FX: 720.406.8967
4) Remove 10 screws from the bottom as shown
4826 Sterling Drive, Boulder, CO 80301 PH: 720.406.8946 FX: 720.406.8967
5) Hold the top and bottom together, and turn the unit over.
6) Slide the top cover forward about 1 inch, then tilt forward.
4826 Sterling Drive, Boulder, CO 80301 PH: 720.406.8946 FX: 720.406.8967
Power Issues
1. Nothing happens when power is applied to the Premier.
a. Check / Replace F1 and F2 on the Power Inlet Assembly.
•Slow Blow 5A 10MM TDA fuses.
b. Replace the Power Cartridge.
2. The circuit breaker in the wall trips when power is applied to the premier.
a. Replace the Power Cartridge.
b. Replace the Power Transformer.
Regulation Issues
1. The Bypass Relay never enables the regulated output.
a. Replace the Regulator PCA and Darlington transistors Q1, Q2, Q3 and Q4.
2. The Bypass Relay ‘clicks’ in and out.
a. Replace the Regulator and Darlington transistors Q1, Q2, Q3 and Q4.
Display Issues
1. The Premier is regulating but there is no Display.
a. Verify there is 8VAC to the Display Board connector J1 (Orange Wires).
b. Replace the Premier Display PCA.
2. Display elements are missing.
a. Replace the Premier Display PCA.
Sequencer / IsoZone Issues
1. Sequencer IsoZone switches are not working.
a. Replace the IsoZone Control Ribbon Cable.
b. Replace the Display PCA.
c. Replace the IsoZone Power Outlet Assembly.
CleanWave
1. CleanWave not Visible
a. Verify that there is 15uf of capacitance on the input.
b. Look for shorts on the back of the Regulator PCA between the pins of J2.
c. Replace the Regulator Control Ribbon Cable.
d. Replace the Display PCA.
e. Replace the Regulator PCA and Darlington transistors Q1, Q2, Q3 and Q4.
MultiWave
1. MultiWave not Visible
a. Look for shorts on the back of the Regulator PCA between the pins of J2.
b. Replace the Regulator Control Ribbon Cable.
c. Replace the Display PCA.
d. Replace the Regulator PCA and Darlington transistors Q1, Q2, Q3 and Q4.
TROUBLESHOOTING
4826 Sterling Drive, Boulder, CO 80301 PH: 720.406.8946 FX: 720.406.8967
Remote Control Issues
1. Remote not Functioning
a. Replace the batteries in the Remote Control.
b. Replace the Remote Control.
c. Replace the Display PCA.
Fan Issues
1. Fans won’t turn.
a. Verify the fans are correctly plugged into the small fan interconnect PCA.
b. Carefully replace Q6 on the Regulator PCA. MFG PN: BC3376G (TO92).
i. Replace the Q6 Heat Sink using thermal compound.
2. Fans won’t stop after Power Up
a. Check to make sure that all connections to the Main PCA are good.
b. Verify that the correct fan driver transistor Q6 is installed.
i. For units with one large and one small fan Q6 should be a
BC337G and that it is installed up-side-down compared to the
silk screen on the Main PCA
Repairing the Regulator PCB Assembly (advanced)
1. For qualified technicians who wish to repair the regulator PCB Assembly on the
component level, most situations will require replacing the following components. We
recommend that all of these parts be replaced at once:
a. Q11, Q14 (MMBTA56)
b. Q12, Q13 (MMBTA06)
c. R43, R44 (10 ohms)
d. R39, R40 (47 ohms)
e. D13, D14 (BAV99)
f. R11-R14 (0.12 ohm 5W) (Original boards use 0.05 ohm. When repairing boards,
replace all 4 resistors with 0.12 ohm)
2. All of the above parts are available in a repair kit. (See parts list)
4826 Sterling Drive, Boulder, CO 80301 PH: 720.406.8946 FX: 720.406.8967
To remove the Heat-Sink assemblies, remove 4 screws per side.
HEAT SINK REMOVAL
4826 Sterling Drive, Boulder, CO 80301 PH: 720.406.8946 FX: 720.406.8967
To replace the Darlington transistors, remove 4 mounting screws on each heat-sink. The TO3
Insulator Sil-Pads should always be replaced when a transistor is reinstalled for any reason.
After replacement the Darlington transistor mounting screws must be torqued to 8 inch pounds.
If a transistor has failed, be certain to test the emitter resistors R11-R14.
POWER TRANSISTOR REPLACEMENT
4826 Sterling Drive, Boulder, CO 80301 PH: 720.406.8946 FX: 720.406.8967
To replace the Main PCA remove the four corner screws being careful to not lose the stand-off
spacers. The thermal sensor R10 is mounted on the bottom side of the PCA so it can protrude
into the heat-sink.This thermal sensor is sometimes glued into the insulating spacer (Better seen
in next picture).
During reassembly, ensure that the thermal sensor is positioned into the insulating spacer.
REGULATOR PCB REMOVAL
4826 Sterling Drive, Boulder, CO 80301 PH: 720.406.8946 FX: 720.406.8967
Remove the machine screws from above and below the power cartridge using a 5/16th inch hex
driver.
Pry the power cartridge from the in-let assembly using a flat-head screwdriver. The power button
on the power cartridge will catch on the rear bezel after about ½ inch of movement.
POWER CARTRIDGE REPLACEMENT
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