Functional Specification Of The Service Mode - Pioneer DV-454-K Service Manual

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Functional Specification of the Service Mode

A
• FL indication of EDC / ID error (short cut function)
Display it in FL with ESC+CX keys (LD remote control unit).
Indication is released with ESC key during indication.
FL indication contents
0 0 / 0 0 / 0 1 ∗
Display number of the location that caused EDC and ID errors
Retry number of times of the latest ID error
B
Retry number of times of the latest EDC error
∗ mark: When even once causes AV1 error, lights.
• Service mode screen display
Display to the screen with ESC+CHP/TIM keys.
Release the indication with ESC key.
Indication contents
ID Address 1
C
Always indicate error rate 2 and exponent indication
EDC/ID/AV1 error history (ID Address, EDC/ID/AV1 Error, past eight times) 3
Contents of AV1 error
BIT 0: EDC error, FEC I/F buffer overflow and not valid occur in the BE code (B.E error).
BIT 1: ID is different from the target in the BE code (B.E error).
BIT 2: There is error in the EDC data of 2 bytes which added to the FE (F.E error).
• Self-diagnostic function 4
Check that the F.E is normal or not.
FE OK : Abnormality is not found in the F.E.
FE Error : Abnormality is found in the F.E.
D
Indicate the mechanism error history by pressing the CHP/TIM key once again.
Change indication by pressing the CHP/TIM key with toggle afterwards.
Refer to the "Display of the Mechanism Error History".
E
F
62
1
2
Indication plan contents
1
2
4
2
3
Character in bold : Item name
: Information display
DV-454-K
3
4
3
4