10
Note: Step4, 5 is to check if CPU software is capable of
DSP code. “Software Type No” is to show what “DSP
Code Group” CPU is capable of. And vice versa.
Step 9 is to manage the 40 codes for DSP.
• When the unit is once turned into Service Mode, the
unit keeps this mode until the main power is turned
off. (Turning into stand-by mode does not make it
quit from Service Mode.) When the unit quits from
Service Mode, Information in the memory is also
cleared and the unit returns to the status when it is
out from the factory.
Product Reset
To reset the back up memory of the unit into the default sta-
tus, follow the procedure below.
1. Turn of the unit and press SPEAKERS A/B and MULTI
button simultaneously more than 1.5 seconds.
2. After “DEFAULT” is displayed on FLD, power is turned
off once and turned of again, EEPROM is cleared to
the default status, µ-com is reset and the unit returns to
the normal status. (Software Serial Number will not be
cleared.)
Note: When the unit is shipped from the factory, the proce-
dure above must be done to set the unit to initial sta-
Personal notes:
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 ...
