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11. Click Close button to close the application.
12. Disconnect Mains power cord.
13. Turn off the internal switch that has been turned on at
step 3.
14. Turn on the unit.
Firmware Version Check
To check the versions of the fi rmware, see "Microprocessor
(CPU), DSP Version and FLD Segment Check Mode" in
"SERVICE MODE" section.
h82505_38400.inf
11. Close
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"SERVICE MODE"
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"Microprocessor (CPU), DSP
Version and FLD Segment Check Mode"
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Summary of Contents for PS7500
Page 25: ...27 28 TO AUX1 PCB TO FRONT PCB TO INPUT PCB TO USB PCB TO INPUT PCB DSP PCB 2 2 ...
Page 27: ...31 32 CN82 AMP PCB ...
Page 33: ...43 44 to STANDBY PCB POWER PCB ...
Page 37: ...51 52 DSP PCB B IC20 Q112 IC16 Q125 DVI PCB IC17 IC11 IC12 IC16 IC18 Q104 Q103 Q102 Q101 ...
Page 39: ...55 56 FRONT PCB IC81 Q801 H P PCB TUNER PCB AUX1 PCB IC83 IC84 SBLR PCB Q103 ...
Page 48: ...68 IC38 IC39 DSP PCB TC74VHC157 ...
Page 50: ...70 IC23 INPUT PCB TC9162AN IC21 INPUT PCB TC9164AN ...
Page 51: ...71 IC23 INPUT PCB TC9162AN IC21 INPUT PCB TC9164AN ...
Page 52: ...72 IC11 IC12 VOLUME PCB TC9482 ...
Page 53: ...73 IC11 IC12 VOLUME PCB TC9482 ...
Page 61: ...81 IC23 DSP PCB CS4382 ...
Page 62: ...82 IC23 DSP PCB CS4382 ...