Denon D-107 Service Manual page 17

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CONFIRMATION METHOD OF ADJUSTMENT
In the µcom of this system, there is a built-in function "adjustment confirmation mode" to
check various servo control easily with CD operation buttons.
Also, focus offset, tracking offset, tracking balance, focus gain, and tracking gain are all
adjusted automatically as the digital servo control is built in the system.
1. Activating Adjustment Confirmation Mode
(1) Load the test disc TCD-784 or Mozart (CO-74176) at the function CD.
(2) After pressing the
(The adjustment confirmation mode is activated and the track number of the display turns to
Note: Normal control is disabled with the operation buttons when the adjustment confirmation mode is activated.
To cancel this mode, simply unplug the AC cord.
2. Function of Adjustment Confirmation Mode
Step Button
(0)
(OPEN/CLOSE)
(1)
(PLAY/PAUSE)
(2)
(3)
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L 13942296513
Other Button
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button (PLAY/PAUSE) and
Function
Load / unload of disc.
Activates focus servo, and
starts disc rotation.
Activates all servo, and starts
auto-adjustment.
Displays each
auto-adjustment result.
May not operate normally.
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2 9
8
button simultaneously, press
Open/close while disc is no rotation.
Press other button after finishing open/close mode.
Track number display turns to
When displayed, press
Track number display turns to
After auto-adjustment, it stops.
After finishing auto-adjustment, every pressing of
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the button displays each adjusted value of
3 6 7 1 3 1 5
auto-adjustment as follows. Check that the value
of portion falls within the range shown Table 1
on page18.
(The value of
Fdoffset h (Focus offset adjusted value)
Tdoffset h (Tracking offset adjusted value)
Tbal h (Tracking balance adjusted value)
Fbal 0 0 h (Focus balance adjusted value)
Fogain h (Focus gain adjusted value)
Trgain h (Tracking gain adjusted value)
Focus balance adjusted value is always fixed to 00h.
Do not operate with other buttons other than
described above during this mode.
co
.
9 4 2 8
button (STOP) within 3 sec.
.)
Description
.
after 3 sec.
.
0 5 8 2 9 9 4 2 8
portion is hexadecimal)
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D-107
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9 9
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