Denon DBP-2012UDCI, Service Manual

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HOW TO REPLACE THE BD MAIN UNIT OR BD MECHA UNIT ASSY
NOTE: The light pick-up laser diode (LD) is instantly degraded or damaged by static electricity or a power surge.
When handling the BD MECHA UNIT, always be sure to earth yourself, and use an earth mat on the
workbench and
fl oor for grounding.
• BD MECHA UNIT Replacement Conditions
If the laser amperage (Iop) exceeds the stipulated range (see the laser on/off mode in test mode (page 25)), replace the
BD MECHA UNIT ASSY or replace the BD MAIN UNIT (including the MAIN PWB UNIT). If other problems occur, replace
the BD MAIN UNIT (including the MAIN PWB UNIT).
Stipulated range: For BD, within ±6 [mA] of the initial value; for DVD/CD, within ±12 [mA] of the initial value.
• The following two parts are speci fi ed as service parts for the MECHA UNIT.
1. BD MAIN UNIT(DBP2012) (including the MAIN PWB UNIT) : (Part No. : 972304000020S)
2. BD MECHA UNIT ASSY (DBP2012) :
(Part No. : 963309100060S)
1. How to Replace the BD MAIN UNIT (including the MAIN PWB UNIT)
(1) Refer to the removal procedure, and remove and replace the BD MAIN UNIT(DBP2012). (see "DISASSEMBLY")
(2) Follow the
fi rmware update procedure, and update the fi rmware to the latest version.
(see "VERSION UPGRADE PROCEDURE OF FIRMWARE")
2. How to Replace the BD MECHA UNIT ASSY
2.1. Devices Used
1. PC
2. 2-Dimensional Bar Code Reader (DS6708 made by Symbol Co. etc.) (Do not supply)
3. USB - 232C (TTL) conversion jig (Model: DUT-06635 by GeeeTech) (Do not supply)
4. 4P RE-PH CONN CORD (1000mm) (Part No. : 61205000300AS)
5. Write software (D&M ScanBarcode Rpower 2.16.60(KES460)_MP function.zip)
2.2. BD MECHA UNIT ASSY Replacement Overview
(1) Before replacing the BD MECHA UNIT ASSY, write all of the BD MECHA UNIT ASSY data of the unit to be replaced
onto the set.
(2) After performing (1), replace the BD MECHA UNIT ASSY.
(3) Con
fi gure the settings for the set in which the BD MECHA UNIT ASSY was replaced.
2.3. Before replacing the BD MECHA UNIT ASSY
[Preparation]
1. Set unit before replacing the BD MECHA UNIT ASSY
2. PC with write software (D&M ScanBarcode Rpower 2.16.60(KES460)_MP function.zip) installed
3. 2-Dimensional Bar Code Reader
4. USB - 232C (TTL) conversion jig
5. BD MECHA UNIT ASSY for replacement
NOTE : Be sure not to mistake the light pick-up bar code data settings with data from a different pick-up.
Writing incorrect data will cause laser degradation.