Sony STR-DA1ES Service Manual page 12

STR-DA1ES/DB780
DSP TEST MODE
Procedure:
[2CH ST]
1. While pressing the
button to turn on the main power, then press three buttons of
I/1
2. The message "DSP TEST" appears, then change into "SWP. XXXX".
[>]
3. Each time the button is pressed, the item is switched in order as follows .
Items
SWAP
DSP communication
Bass management
Main speaker cut off frequency
LFE cut off frequency
Co-ef. Read address
Co-ef. Read data
Co-ef. Write address
Co-ef. Write data
SRAM
Total operation time
Longest power on time
Volume I – 50 dB time display
Volume I – 40 dB time display
Volume I – 30 dB time display
Volume I – 20 dB time display
Volume I – 10 dB time display
Volume I 0 dB time display
Protector count value
Fuse open count value
EEPROM condition
EEPROM read
EEPROM super reset
12
[CINEMA STUDIO EX C]
and
Display
SWP. XXXX
DSP OK or DSP ERROR
BM. XXXX
MAIN XXX
LFE XXX
RA.12XXX
RD.XXXXXX xx
WA.12XXX
WD.XXXXXX xx
RAMC XXXX
TTL-XXXX xx
LNG-XXXX XX
V50-XXXX XX
V40-XXXX XX
V30-XXXX XX
V20-XXXX XX
V10-XXXX XX
V00-XXXX XX
PROT XXX
FUSE XXX
E-XXXXX
E-XXX-XX
S.RST-YES or S.RST-NO
buttons, press the button to turn on the main power or press the
I/1
[ENTER] [2CH ST] [CINEMA STUDIO EX C]
, and
Remark
NORM, ALL, C SW, SLSR (switching with jog dial)
When DSP ERROR is displayed, press the
error
AUTO, OFF, 1 to 15 (switching with jog dial)
80 Hz to 200 Hz (switching with jog dial by 10 Hz)
80 Hz to 200 Hz (switching with jog dial by 10 Hz)
Turn the jog dial to switch the read data address
Value is read data
Turn the jog dial to switch the write data address
Turn the jog dial to set the write data
OFF, EXE, NG, PASS
4 large character is hour, 2 small character is minutes
0 to 255
0 to 255
S RST (super reset, first time use EEPROM, test pattern corrupted)
FAIL (EEPROM read/write with microprocessor have problem)
V CHG (software version change)
D CHG (destination/model change)
CLEAR (back up data initialize)
NORM (normal AC on)
First four hex code is EEPROM address
Last two hex code is EEPROM data
When S.RST-YES is displayed, press the
EEPROM data
simultaneously.
[ENTER]
key will clear
[ENTER]
key will clear all