PIONEER DVR-440H-S/WVXK5
Service Manual

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Contains Circuit Diagrams
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PDF Format
Complete manual
Language: English

Price: $4.99

Description of PIONEER DVR-440H-S/WVXK5 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 83 (click to view)

5

6

7

8

6. ADJUSTMENT
[Purpose]
If the combination of MAIN Assy and LOADER Assy is changed, the adjusted value for LD power will be shifted, and stable playback or recording of a disc will become impossible. Therefore, when the combination of MAIN Assy and LOADER Assy is changed, LD power adjustment and adjustment for disc judgment will be necessary. Be sure to do this adjustment at following cases. â�¢ When replacing MAIN Assy â�¢ When replacing LOADER Assy

[Tools to be used]
â�¢ Special tool for adjusting the LD power (GGF1559) â�¢ 10-pin FFC flexible cable (GGD1477) â�¢ CD-ROM test disc: CDT-313 (GGV1054) â�¢ DVD dual-layer test disc: DVDT-002 (GGV1036)
A

[Notes]
Never turn the power off while any of the following operations is in progress: â�¢ While laser diode (LD) power adjustment is being performed normally by the unit â�¢ While adjustment for disc judgment is being performed
B

[Connections]
â�¢ Connections for adjusting the LD power

Special tool for adjusting the LD power

POWER SUPPLY Unit HDD
C

Main Assy and writer

Note: Before adjusting the LD power, disconnect the power to the HDD and the flexible cable for ATA (40-pin). â�¢ To which the special tool for adjusting the LD power is connected
The right side (see the figure below) of the connector is for connection of the flexible cable. CN5601
D

Main Assy

CN1402 CN1401

Special tool for adjusting the LD power

Connect the 10-pin flexible cable to the lower part of CN401.

â�¢ Setting of the switches on the special tool for adjusting the LD power
E

ON ON ON ON ON

Set all five switches to ON.

F

DVR-640H-AV
5 6 7 8

83

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