4-40
DNW-A75/A75P
4-2. TAPE Maintenance Mode (M0)
4-2-5. AUDIO/VIDEO CHECK Mode (C2)
Screen display samples
In case of normal
In case of abnormal
Detail description of abnormal case
INITIALIZE CHECK:
The possible cause below is judged as an NG item.
. The target IC is defective.
. The foiled pattern on the board connecting target IC and
SY2 CPU is defective.
. The component part between target IC and SY2 CPU is
defective.
INITIALIZE CHECK Target Target IC’s pin number
Screen display IC connected to SY2 CPU
1. F-CONT INIT. NG IC251 Pins 109 to 116, 118 to 121
2. DIGI FIL INIT. NG IC209 Pins 113 to 116, 118 to 125
3. SX ENC INIT. NG IC200 Pins 128, 133 to 135, 141 to
144, 146 to 149
4. SX MEP INIT. NG IC300 Pins 128, 133, 134, 141 to
144, 146 to 149
5. ECC ENC INIT. NG IC402 Pins 45, 49 to 59
6. OUTER INIT. NG IC600 Pins 9 to 16, 20 to 23
7. SX DEC INIT. NG IC800 Pins 44 to 7, 53 to 59, 62
SOMETHING CHECK:
The possible cause below is judged as an ERR item.
. The target IC is defective.
. The foiled pattern on the board connecting target IC and
its connected IC is defective.
. The component part between target IC and its connected
IC is defective.
. Connected IC is defective.
SOMETHING CHECK Target IC (Its pin number)
Screen display [Ref. No. of Connected IC]
11. F-CONT CHECK. NG
PARITY ERR B-IN IC251 (Pins 94 to 101, 103 to 106)
PARITY ERR A-IN IC251 (Pins 74 to 80, 82 to 88),
[IC800]
12. DIGI FIL CHECK. NG
PARITY ERR A-IN IC209 (Pins 3 to 8, 10 to 17), [IC251]
13. SX ENC CHECK. NG
PARITY ERR MEP IC200 (Pins 165, 168 to 173, 175 to
179, 182 to 186, 189 to 192, 195 to
199), [IC300]
PARITY ERR VIDEO IC200 (Pins 88, 89, 92 to 101, 105,
106), [IC209]
CLOCK ERR 13.5M IC200
CLOCK ERR 27M (Pins 110 to 113, 116, 121 to 127)
CLOCK ERR 54M
CLOCK ERR 81M
SDRAM ERR ALL IC200, [IC205 to IC208]
n
Displays “ALL” wherever an abnormal point occurs.
14. SX MEP CHECK. NG
SDRAM ERR ALL IC300, [IC205 to IC208]
n
Displays “ALL” wherever an abnormal point occurs.
INPUT ERR PARITY IC300 (Pins 238 to 241, 244 to 247,
250, 251), [IC200]
INPUT ERR SYNC IC300 (Pin 238), [IC200]
CLOCK ERR 81M IC300 (Pins 107, 111 to 113, 116,
CLOCK ERR 54M 121 to 127)
CLOCK ERR 27M
CLOCK ERR 13.5M
PLL ERR 81M
PLL ERR 54M
PLL ERR 27M
AUDIO/VIDEO CHECK MODE
C24:DPR-118 DIAG INFO
DPR-118 DIAG. OK!
INITIALIZE CHECK..
1.F-CONT INIT. OK
2.DIGI FIL INIT. OK
3.SX ENC INIT. OK
4.SX MEP INIT. OK
5.ECC ENC INIT. OK
6.OUTER INIT. OK
7.SX DEC INIT. OK
SOMETHING CHECK..
11.F-CONT CHECK. OK
12.DIGI FIL CHECK. OK
13.SX ENC CHECK. OK
14.SX MEP CHECK. OK
15.ECC ENC CHECK. OK
16.OUTER CHECK. OK
17.SX DEC CHECK. OK
AUDIO/VIDEO CHECK MODE
C24:DPR-118 DIAG INFO
DPR-118 DIAG.ERROR!
INITIALIZE CHECK..
1.F-CONT INIT. OK
2.DIGI FIL INIT. OK
3.SX ENC INIT. NG
4.SX MEP INIT. OK
5.ECC ENC INIT. OK
6.OUTER INIT. OK
7.SX DEC INIT. OK
SOMETHING CHECK..
11.F-CONT CHECK. NG
PARITY ERR B-IN
PARITY ERR A-IN
12.DIGI FIL CHECK. OK
13.SX ENC CHECK. NG
PARITY ERR MEP
14.SX MEP CHECK. OK
15.ECC ENC CHECK. OK
16.OUTER CHECK. OK
17.SX DEC CHECK. OK
Displays NG for failure item.
In case of NG,
the detail data is displayed.
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