Pioneer CRT3452 Service Manual page 82

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Contents of Test
Command Test name
number
A
50110000 Carriage move to
inner circumference circumference side.
50100000 Carriage move to
outer circumference circumference side.
50350000 Tilt servo operation
start
50360000 Tilt servo operation
stop
50150000 Focus jump
B
50200000 CD error rate
measurement
50300000 Spindle CAV
operation
50240000 Automatic
C
adjustment value
display
50040000 Replayed status
display
50020000 Return to Stage 1
50050000 Return to Stage 2
↓
50180000 Track jump (Inner
D
circumference)
50190000 Track jump
50260000 FT gain adjustment Executes focus and tracking gain
50270000 FB automatic
adjustment
50250000 RF automatic
adjustment
50170000 Tracking open
50140000 Tracking close
E
F
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Test contents
Execute test contents: Press the DISC key. Selection switching: Pressing the
Return to command number display:
Re-press the DISC key.
Moves the carriage to the inner
Moves the carriage to the outer
Turns on the liquid crystal tilt servo.
Turns off the liquid crystal tilt servo
Executes the focal jump of the a
DVD2 layer disc.(Swith the layer for
which focus is adjusted(between the
first and second layes)).
** Factory Mode **
Rotates a spindle at a constant speed
at 10 Hz for DVD.
Displays an automatic adjustment
result of a servo system.
Displays a replayed status.
Returns to Stage 1.
Returns to Stage 2.
Executes a track jump having the
specified number of tracks to the
outer circumference.
Executes a track jump having the
circumference.
adjustments. (Automatic adjustment)
Exceutes a focus balance
adjustment. (Automatic adjustment)
Executes an RF gain adjustment.
(Automatic adjustment)
Turns off tracking servo.
Turns on tracking servo.
XDV-M8357ZT/UC
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3
Test contents selection item
setting
TRACK UP/DOWN key
Measures a C1 error rate of CD.
(Usually five seconds)
Once the execution key has been
pressed, the test enters the
number of sampling items setting
mode with return value 51200100. A C1 error rate is exponentially
···Refer to theappended table.
Toggle-selects an adjustment
value to be displayed.
Display at selection
"0"[50240XXX]
"1"[50241XXX]
"2"[50242XXX]
The number of tracks to jump is
specified.
Refer to the appended table.
The number of tracks to jump is
specified. )
Refer to the appended table.
3
4
Return value
52110000
52100000
00000000
00000000
00000000(at Layer 0 after jump)
00000001(at Layer 1 after jump)
A sampling time of 1 to
30 seconds is set.
52200000(during sampling)
↓
displayed.
00000000
Refer to the appended table.
00000000(at servo OFF)
01010101(Servo intitialization state)
02020202(at focus servo ON)
ID number (at DVD replay)
MSF number (at CD replay)
00000000
00000000
The number of specified tracks
is displayed in hexadecimal
notation.
The number of specified tracks
is displayed in hexadecimal
notation.
00000000
00000000
00000000
00000000
00000000
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