Test Mode - Sony DPA-300 Service Manual

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[PREPARATION FOR USE OF TEST MODE]
Connect the equipment as shown below before starting the test mode.
Connection:
DPA-300
VIDEO OUTPUT connector
• How to Enter the Test Mode
While pressing the + button, press the RESET button.
• How to Exit the Test Mode
Remove the AC adapter from wall outlet.
There are two test modes. One is the audio test mode and the other
is the video test mode. When the DPA-300 enters the test mode,
main menu appears allowing operator to select either audio test mode
or video test mode. Select the desired test mode by pressing the
cross marked button (
• Main menu
Close
TE
L 13942296513
Audio Test
Video Test
Capture Mode
Audio Test
Refer to the respective items for more details.
→
Audio Test Mode
→
Video Test Mode
www
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Monitor
VIDEO INPUT connector
, ), and press the ENTER button.
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SECTION 4

TEST MODE

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8
AUDIO SECTION
[INTRODUCTION]
Enter the test mode referring to [PREPARATION FOR USE OF
TEST MODE] in the left column of this page.
All of the messages described as "displayed" in section
" 5. ELECTRICAL ADJUSTMENT " appears on monitor screen
during adjustment.
1. BASIC OPERATIONS OF THE TEST MODE
All operations are performed using the cross marked button
( , , n , N ), and press the ENTER button. The
respective buttons have the following functions.
Function Name
, button
n button
N button
2. SELECTING THE TEST MODE
Select the desired test mode from the ten test modes by pressing the
, buttons.
Q Q
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Display
TEMP ADJUST
LDPWR ADJUST
EFBAL ADJUST
FBIAS ADJUST
FBIAS CHECK
CPLAY MODE
CREC MODE
EEP MODE
Vol MODE
Ver. xx.xx
Virgin mode
Total Time
• For detailed description of each adjustment mode, refer to the
" 5. ELECTRICAL ADJUSTMENTS ".
• If a different adjustment mode has been selected by mistake, press
the N button to exit from it.
*1: The EEP MODE, Vol MODE, Ver.xx.xx and Virgin mode are
not used in servicing. If set accidentally, press the N button
immediately to exit it.
co
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Function
Changes parameters and modes
Proceeds onto the next steps.
Confirms the entry.
Returns to the previous step.
Stop operations.
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Contents
Temperature compensation offset
adjustment
Laser power adjustment
Traverse adjustment
Focus bias adjustment
Focus bias check
Continuous playback mode
Continuous recording mode
Non-volatile memory mode (*1)
The mode corresponding to the
electronic volume control mode (*1)
Displays version No. of MD
microprocessor
TOC all clear mode (*1)
WR = x: xx (Laser total write hours)
SP = x: xx (Spindle rotation hours)
m
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