54
Note :
Step3, 4 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 8 is to manage the 16 codes for DSP.
• When the unit is once turned into Service Mode, the unit
keeps this mode until the main power is turned off. (Turn-
ing into stand-by mode does not make it quit from Service
Mode.) When the unit quits from Service Mode, Informa-
tion 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
ATT
and
7.1CH INPUT
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 de-
fault status,
µ
-com is reset and the unit returns to the nor-
mal status.
Note :
When the unit is shipped from the factory, the procedure
above must be done to set the unit to initial status after the
tests.
Personal notes:
Содержание SR4500
Страница 8: ...6 Personal notes ...
Страница 10: ...9 10 4 BLOCK DIAGRAM ...
Страница 11: ...11 12 5 SCHEMATIC DIAGRAM INPUT DSP PCB 1 3 INPUT ...
Страница 12: ...13 14 INPUT DSP PCB 2 3 DSP ...
Страница 13: ...15 16 INPUT DSP PCB 3 3 CPU ...
Страница 14: ...17 18 MAIN PCB TUNER PCB ...
Страница 15: ...19 20 VIDEO PCB COMPONENT DIG INPUT PCB ...
Страница 16: ...21 22 FRONT PCB ENCORDER PCB H P PCB PUSH SW PCB ...
Страница 17: ...POWER TRANS 1 PCB POWER TRANS 2 PCB POWER TRANS 3 PCB 23 24 ...
Страница 18: ...25 26 BIAS TR PCB BIAS TR PCB BIAS TR PCB BIAS TR PCB BIAS TR PCB BIAS TR PCB REGULATOR PCB BIAS TR PCB ...
Страница 21: ...31 32 CUP11694 INPUT DSP PCB BOTTOM Q309 Q310 Q319 Q320 ...
Страница 24: ...36 CUP11693 5 POWER TRANS PCB 1 Q131 CUP11693 7 POWER TRANS PCB 2 CUP11693 8 POWER TRANS PCB 3 ...
Страница 25: ...37 CUP11696Z REGULATOR PCB IC91 IC92 IC93 BIAS TR PCB Q851 ...