Note When Repairing - Aiwa SX-DV1 Service Manual

NOTE WHEN REPAIRING -1/2

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1. Cautions at time of C-IC, M29W160DT90N1-AVF01 (8A-CVF-640-030) exchange, and upgrade of firmware of BACKEND.
Please be sure to write in the firmware of BACKEND after exchanging this IC.
Unless it does the following work, it does not operate normally.
Moreover, please do the same work also with upgrade.
Preparation :
1. Burn the file (firmware) united with each suffix to CD-R. * Please refer the STI G-A2-025-E0.
File: autoboot.ab / flash.ab / hwf.ab / hws.ab.
2. The monitor is connected to set.
3. Prepare either remote control RC-AVL01 (8A-AV6-620-010) or RC-AVL08 (8A-AV6-622-010).
Procedure:
1. POWER ON.
2. Insert CD-R DISC and shut a lid.
3. A screen changes like fig.1 after a NO DISC display.
4. After about 30 seconds, upgrade screen (fig.2) It changes.
5. Completion screen (fig.3) DC plug will be pulled out if it becomes.
6. Take out DISC and insert DC plug.
7. Initialize in the state of POWER OFF and open the lid by pressing the "STOP" button and "POWER" button of a main part 3 seconds or more
simultaneously.
(a display -- "-----" -> it is displayed as "CLEAr")
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L 13942296513
FIG.1
Check:
1. Press the SUBTITLE "ON/OFF" button of remote control in the state of POWER ON.
2. Version number /region code can be checked.
3. Press and cancel the "ON / OFF" button of remote control once again.
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FIG.4
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2 9
8
Q Q
3 6 7 1 3 1 5
FIG.2
Backend Firmware Version No.
Region Code
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-41-
9 4 2 8
0 5 8 2 9 9 4 2 8
FIG.3
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XD-DV1
9 9
9 9