Pioneer RMX-1000 Service Manual page 52

1
9 Mode 9: "DEV" for device test
A
• This mode is for displaying the device information for confirmation.
When this mode is entered, "dEV" is displayed on the 7-segment indicator.
• This mode consists of 6 modes for indicating information on SDRAM1 (SH), SDRAM2 (DSP), SDRAM3 (DSP), SD card,
muting circuit, and SUB UCOM (K0R UCOM) clock.
These 6 modes can be switched, using the NUDGE + or – button.
When modes are switched, the current device name is indicated on the 7-segment indicator.
When this mode is entered, the SDRAM1 Information Display mode is automatically entered.
Device name
B
SDRAM1 (SH)
SDRAM2 (DSP)
SDRAM3 (DSP)
SD card
Muting circuit
SUB UCOM (K0R UCOM) clock
SDRAM Test Mode
This mode is for confirming that SDRAM operates properly.
C
To start an SDRAM test, after entering this mode, press the HOLD button.
An SDRAM test performs writing to/reading from all areas of SDRAM to check if it can treat data properly.
When data writing/reading can be properly performed, it is considered that these functions operate properly.
If it cannot be properly performed, SDRAM, SH UCOM, or DSP may be in failure.
List of SDRAM information indications
State of SDRAM
During checking
Properly operating
Not properly operating
D
SD Card Test Mode
This mode is for confirming that the SD card operates properly.
To start an SD card test, after entering this mode, press the HOLD button.
An SD card test performs writing to/reading from the SD card to check if it can treat data properly.
When data writing/reading can be properly performed, it is considered that SD card operates properly.
If it cannot be properly performed, the SD card may be defective or SH UCOM may be in failure.
After this test is performed, an "RMX_TEST.txt" file is created in the root directory of the SD card.
List of SD card information indications
E
State of the SD card
Card not loaded
Disc full
During checking
Properly operating
Not properly operating
F
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1
2
7-segment indication
Sr1
Sr2
Sr3
Sd
Mut
CLK
7-segment indication
chK HOLD flashing
OK HOLD lit
NG HOLD lit
7-segment indication
noC No indication
FuL No indication
chK HOLD flashing
OK HOLD lit
NG HOLD lit
2
3
LED
LED
RMX-1000
3
4
4