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Perfect like it was descriped, Perfect like it was descriped
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Very good detail, all pages clear, exactly what I needed
;
Excellent service, and just what I needed to service my TU-7700. All pages of the manual are clear and easily readable.
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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
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We received the manual in a timely manner and it was exactly what we were expecting. Excellent replacement for original Service Manual.
All schematics are very legible. We are really satisfied.
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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. � When replacing MAIN Assy � When replacing LOADER Assy
[Tools to be used]
� Special tool for adjusting the LD power (GGF1559) � 10-pin FFC flexible cable (GGD1477) � CD-ROM test disc: CDT-313 (GGV1054) � DVD dual-layer test disc: DVDT-002 (GGV1036)
A
[Notes]
Never turn the power off while any of the following operations is in progress: � While laser diode (LD) power adjustment is being performed normally by the unit � While adjustment for disc judgment is being performed
B
[Connections]
� 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). � 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.
� 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
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